# HG changeset patch
# User veltr
# Date 1367858293 -7200
# Node ID b13a409f01dc294ed364a4d0a9edc4aa27c155a4
# Parent  2937fe1ba8658610bc315d60a1317011ae9a9939
Some refactoring

diff -r 2937fe1ba865 -r b13a409f01dc integ/iri-buzz.html
--- a/integ/iri-buzz.html	Mon May 06 14:57:50 2013 +0200
+++ b/integ/iri-buzz.html	Mon May 06 18:38:13 2013 +0200
@@ -112,10 +112,8 @@
         <div class="comment-list"></div>
     </div>
 
-<script src="js/libs/jquery-1.7.1.min.js"></script>
-
 <script src="renkan/lib/underscore-min.js"></script>
-<script src="js/vs/_VisualSedimentation.js"></script>
+<script src="iri/js/vs.0.1-min.js"></script>
 
 <script src="js/libs/jquery-ui-1.8.21.custom.min.js"></script>
 
diff -r 2937fe1ba865 -r b13a409f01dc integ/iri-cadeaux.html
--- a/integ/iri-cadeaux.html	Mon May 06 14:57:50 2013 +0200
+++ b/integ/iri-cadeaux.html	Mon May 06 18:38:13 2013 +0200
@@ -155,7 +155,7 @@
 					    
 					    <li class="gift_movie" data-gift-id="cinecard-00">
                             <a class="gift_poster gift_new" href="#" title="L'Etrange histoire de Benjamin Button">
-				                <img src="http://images.allocine.fr/r_640_600/b_1_d6d6d6/medias/nmedia/18/67/78/06/19028560.jpg" width="151" height="204" alt="Affiche du film" />
+				                <img src="http://images.allocine.fr/r_150_200/b_1_d6d6d6/medias/nmedia/18/67/78/06/19028560.jpg" width="150" height="200" alt="Affiche du film" />
 				            </a>
                             <ul class="gift_info">
 					           <li class="gift_movie_title">
@@ -177,7 +177,7 @@
 					    
                         <li class="gift_movie" data-gift-id="cinecard-01">
                             <a class="gift_poster" href="#" title="Vous allez rencontrer un bel et sombre inconnu">
-                                <img src="http://fr.web.img2.acsta.net/r_640_600/b_1_d6d6d6/medias/nmedia/18/79/08/93/19492940.jpg" width="151" height="204" alt="Affiche du film" />
+                                <img src="http://fr.web.img2.acsta.net/r_150_200/b_1_d6d6d6/medias/nmedia/18/79/08/93/19492940.jpg" width="150" height="200" alt="Affiche du film" />
                             </a>
                             <ul class="gift_info">
 					           <li class="gift_movie_title">
@@ -206,7 +206,7 @@
                         
                         <li class="gift_movie">
                             <a class="gift_poster" href="#" title="Men In Black III">
-                                <img src="http://fr.web.img3.acsta.net/r_640_600/b_1_d6d6d6/medias/nmedia/18/89/36/03/20072335.jpg" width="151" height="204" alt="Affiche du film" />
+                                <img src="http://fr.web.img3.acsta.net/r_150_200/b_1_d6d6d6/medias/nmedia/18/89/36/03/20072335.jpg" width="150" height="200" alt="Affiche du film" />
                             </a>
                             <ul class="gift_info">
                                <li class="gift_movie_title">
@@ -228,7 +228,7 @@
                         
                         <li class="gift_movie" data-gift-id="cinecard-02">
                             <a class="gift_poster" href="#" title="Intouchables">
-                                <img src="http://fr.web.img2.acsta.net/r_640_600/b_1_d6d6d6/medias/nmedia/18/82/69/17/19806656.jpg" width="151" height="204" alt="Affiche du film" />
+                                <img src="http://fr.web.img2.acsta.net/r_150_200/b_1_d6d6d6/medias/nmedia/18/82/69/17/19806656.jpg" width="150" height="200" alt="Affiche du film" />
                             </a>
                             <ul class="gift_info">
                                <li class="gift_movie_title">
@@ -250,7 +250,7 @@
                         
                         <li class="gift_movie" data-gift-id="cinecard-00">
                             <a class="gift_poster" href="#" title="L'Etrange histoire de Benjamin Button">
-                                <img src="http://images.allocine.fr/r_640_600/b_1_d6d6d6/medias/nmedia/18/67/78/06/19028560.jpg" width="151" height="204" alt="Affiche du film" />
+                                <img src="http://images.allocine.fr/r_150_200/b_1_d6d6d6/medias/nmedia/18/67/78/06/19028560.jpg" width="150" height="200" alt="Affiche du film" />
                             </a>
                             <ul class="gift_info">
                                <li class="gift_movie_title">
@@ -272,7 +272,7 @@
                         
                         <li class="gift_movie">
                             <a class="gift_poster" href="#" title="Vous allez rencontrer un bel et sombre inconnu">
-                                <img src="http://fr.web.img2.acsta.net/r_640_600/b_1_d6d6d6/medias/nmedia/18/79/08/93/19492940.jpg" width="151" height="204" alt="Affiche du film" />
+                                <img src="http://fr.web.img2.acsta.net/r_150_200/b_1_d6d6d6/medias/nmedia/18/79/08/93/19492940.jpg" width="150" height="200" alt="Affiche du film" />
                             </a>
                             <ul class="gift_info">
                                <li class="gift_movie_title">
@@ -353,8 +353,6 @@
 <!-- custom scrollbars plugin -->
 <script src="js/jquery.mCustomScrollbar.js"></script>
 
-<script src="js/script.js"></script>
-
 <!--
     IRI: Scripts
 -->
@@ -364,7 +362,6 @@
 </script>
 
 <!-- RENKAN -->
-<script src="renkan/lib/jquery.mousewheel.min.js"></script>
 <script src="renkan/lib/underscore-min.js"></script>
 <script src="renkan/lib/backbone.js"></script>
 <script src="renkan/lib/backbone-relational.js"></script>
diff -r 2937fe1ba865 -r b13a409f01dc integ/iri-creation-cinecard.html
--- a/integ/iri-creation-cinecard.html	Mon May 06 14:57:50 2013 +0200
+++ b/integ/iri-creation-cinecard.html	Mon May 06 18:38:13 2013 +0200
@@ -149,7 +149,6 @@
 <script src="js/libs/jquery-1.7.1.min.js"></script>
 <script src="js/libs/jquery-ui-1.8.21.custom.min.js"></script>
 
-<script type='text/javascript' src='js/jquery.simplemodal.js'></script>
 <script type="text/javascript" src="js/jquery.jcarousel.min.js"></script>
 <!-- mousewheel plugin -->
 <script src="js/jquery.mousewheel.min.js"></script>
@@ -184,7 +183,6 @@
 
 <!-- RENKAN -->
 
-<script src="renkan/lib/jquery.mousewheel.min.js"></script>
 <script src="renkan/lib/underscore-min.js"></script>
 <script src="renkan/lib/backbone.js"></script>
 <script src="renkan/lib/backbone-relational.js"></script>
diff -r 2937fe1ba865 -r b13a409f01dc integ/iri/css/iri-cadeaux.css
--- a/integ/iri/css/iri-cadeaux.css	Mon May 06 14:57:50 2013 +0200
+++ b/integ/iri/css/iri-cadeaux.css	Mon May 06 18:38:13 2013 +0200
@@ -38,7 +38,7 @@
 }
 
 .gift_info {
-    margin-left: 182px; width: 200px; color: #CCCCCC;
+    margin-left: 180px; width: 200px; color: #CCCCCC;
 }
 
 .gift_info li {
diff -r 2937fe1ba865 -r b13a409f01dc integ/iri/js/iri-buzz.js
--- a/integ/iri/js/iri-buzz.js	Mon May 06 14:57:50 2013 +0200
+++ b/integ/iri/js/iri-buzz.js	Mon May 06 18:38:13 2013 +0200
@@ -282,7 +282,7 @@
             }, 200);
         }
         
-        console.log(barChartSettings);
+        //console.log(barChartSettings);
         
         var barChart = $("#data-viz").vs(barChartSettings).data('visualSedimentation');
         
diff -r 2937fe1ba865 -r b13a409f01dc integ/iri/js/iri-lecture-cinecard.js
--- a/integ/iri/js/iri-lecture-cinecard.js	Mon May 06 14:57:50 2013 +0200
+++ b/integ/iri/js/iri-lecture-cinecard.js	Mon May 06 18:38:13 2013 +0200
@@ -1,4 +1,11 @@
 $(function() {
+    
+    $('.msg_box i.close').click(function(){
+        $(this).parent().animate({"opacity":"0"},300,function(){
+            $(this).slideUp();
+        });
+    });
+    
     $(".cinecard_lightbox_background").click(function() {
         $("#renkan_container").children().remove();
         $(".cinecard_wrap").hide();
diff -r 2937fe1ba865 -r b13a409f01dc integ/iri/js/vs.0.1-min.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/integ/iri/js/vs.0.1-min.js	Mon May 06 18:38:13 2013 +0200
@@ -0,0 +1,35 @@
+/*
+ * Visual Sedimentation Library v0.01
+ * http://www.visualsedimentation.org/
+ *
+ * Copyright 2013, Samuel Huron & Romain Vuillemont
+ * Licensed under the CeCILL-B or GPL Version 2 licenses.
+ * http://jquery.org/license
+ *
+ *
+ *
+ *
+ *
+ * Includes jquery.js
+ * http://jquery.com/
+ * Copyright 2010, John Resig
+ * Released under Dual licensed under the MIT or GPL Version 2 licenses.
+ * 
+ * Includes d3.js
+ * http://d3js.org/
+ * Copyright 2012, Michael Bostock
+ * Released under BSD licenses.
+ * 
+ * Includes Box2DWeb
+ * http://www.gphysics.com
+ * Copyright 2006, Erin Catto 
+ * Released under zlib License.
+ * 
+ * Includes Sizzle.js
+ * http://sizzlejs.com/
+ * Copyright 2010, The Dojo Foundation
+ * Released under the MIT, BSD, and GPL Licenses.
+ *
+ * Date: Tue Jan 01 14:25:48 2010 -0500
+ */
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BL.domain(Ev.map(Di)).ticks(e).map(Be)};d3.time.scale.utc=function(){return Ai(d3.scale.linear(),El,Co)}})();var Box2D={};(function(C,B){function A(){}if(!(Object.prototype.defineProperty instanceof Function)&&Object.prototype.__defineGetter__ instanceof Function&&Object.prototype.__defineSetter__ instanceof Function){Object.defineProperty=function(F,E,D){D.get instanceof Function&&F.__defineGetter__(E,D.get);D.set instanceof Function&&F.__defineSetter__(E,D.set)}}C.inherit=function(E,D){A.prototype=D.prototype;E.prototype=new A;E.prototype.constructor=E};C.generateCallback=function(E,D){return function(){D.apply(E,arguments)}};C.NVector=function(F){if(F===B){F=0}for(var E=Array(F||0),D=0;D<F;++D){E[D]=0}return E};C.is=function(E,D){if(E===null){return false}if(D instanceof Function&&E instanceof D){return true}if(E.constructor.__implements!=B&&E.constructor.__implements[D]){return true}return false};C.parseUInt=function(D){return Math.abs(parseInt(D))}})(Box2D);var 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AV(){AV.b2ContactID.apply(this,arguments);this.constructor===AV&&this.b2ContactID.apply(this,arguments)}function BU(){BU.b2ContactPoint.apply(this,arguments)}function A5(){A5.b2Distance.apply(this,arguments)}function Ad(){Ad.b2DistanceInput.apply(this,arguments)}function BT(){BT.b2DistanceOutput.apply(this,arguments)}function A9(){A9.b2DistanceProxy.apply(this,arguments)}function A4(){A4.b2DynamicTree.apply(this,arguments);this.constructor===A4&&this.b2DynamicTree.apply(this,arguments)}function BE(){BE.b2DynamicTreeBroadPhase.apply(this,arguments)}function BF(){BF.b2DynamicTreeNode.apply(this,arguments)}function BK(){BK.b2DynamicTreePair.apply(this,arguments)}function A3(){A3.b2Manifold.apply(this,arguments);this.constructor===A3&&this.b2Manifold.apply(this,arguments)}function A1(){A1.b2ManifoldPoint.apply(this,arguments);this.constructor===A1&&this.b2ManifoldPoint.apply(this,arguments)}function Aj(){Aj.b2Point.apply(this,arguments)}function AR(){AR.b2RayCastInput.apply(this,arguments);this.constructor===AR&&this.b2RayCastInput.apply(this,arguments)}function AX(){AX.b2RayCastOutput.apply(this,arguments)}function BQ(){BQ.b2Segment.apply(this,arguments)}function BL(){BL.b2SeparationFunction.apply(this,arguments)}function BC(){BC.b2Simplex.apply(this,arguments);this.constructor===BC&&this.b2Simplex.apply(this,arguments)}function BP(){BP.b2SimplexCache.apply(this,arguments)}function A8(){A8.b2SimplexVertex.apply(this,arguments)}function BD(){BD.b2TimeOfImpact.apply(this,arguments)}function A7(){A7.b2TOIInput.apply(this,arguments)}function BZ(){BZ.b2WorldManifold.apply(this,arguments);this.constructor===BZ&&this.b2WorldManifold.apply(this,arguments)}function Az(){Az.ClipVertex.apply(this,arguments)}function As(){As.Features.apply(this,arguments)}function An(){An.b2CircleShape.apply(this,arguments);this.constructor===An&&this.b2CircleShape.apply(this,arguments)}function Ai(){Ai.b2EdgeChainDef.apply(this,arguments);this.constructor===Ai&&this.b2EdgeChainDef.apply(this,arguments)}function Ak(){Ak.b2EdgeShape.apply(this,arguments);this.constructor===Ak&&this.b2EdgeShape.apply(this,arguments)}function Ae(){Ae.b2MassData.apply(this,arguments)}function Ac(){Ac.b2PolygonShape.apply(this,arguments);this.constructor===Ac&&this.b2PolygonShape.apply(this,arguments)}function Af(){Af.b2Shape.apply(this,arguments);this.constructor===Af&&this.b2Shape.apply(this,arguments)}function Aw(){Aw.b2Color.apply(this,arguments);this.constructor===Aw&&this.b2Color.apply(this,arguments)}function At(){At.b2Settings.apply(this,arguments)}function Ao(){Ao.b2Mat22.apply(this,arguments);this.constructor===Ao&&this.b2Mat22.apply(this,arguments)}function Av(){Av.b2Mat33.apply(this,arguments);this.constructor===Av&&this.b2Mat33.apply(this,arguments)}function Aq(){Aq.b2Math.apply(this,arguments)}function Ap(){Ap.b2Sweep.apply(this,arguments)}function Ah(){Ah.b2Transform.apply(this,arguments);this.constructor===Ah&&this.b2Transform.apply(this,arguments)}function Ab(){Ab.b2Vec2.apply(this,arguments);this.constructor===Ab&&this.b2Vec2.apply(this,arguments)}function AZ(){AZ.b2Vec3.apply(this,arguments);this.constructor===AZ&&this.b2Vec3.apply(this,arguments)}function AW(){AW.b2Body.apply(this,arguments);this.constructor===AW&&this.b2Body.apply(this,arguments)}function AY(){AY.b2BodyDef.apply(this,arguments);this.constructor===AY&&this.b2BodyDef.apply(this,arguments)}function AU(){AU.b2ContactFilter.apply(this,arguments)}function BS(){BS.b2ContactImpulse.apply(this,arguments)}function BH(){BH.b2ContactListener.apply(this,arguments)}function A6(){A6.b2ContactManager.apply(this,arguments);this.constructor===A6&&this.b2ContactManager.apply(this,arguments)}function BA(){BA.b2DebugDraw.apply(this,arguments);this.constructor===BA&&this.b2DebugDraw.apply(this,arguments)}function A2(){A2.b2DestructionListener.apply(this,arguments)}function Bf(){Bf.b2FilterData.apply(this,arguments)}function BB(){BB.b2Fixture.apply(this,arguments);this.constructor===BB&&this.b2Fixture.apply(this,arguments)}function Ag(){Ag.b2FixtureDef.apply(this,arguments);this.constructor===Ag&&this.b2FixtureDef.apply(this,arguments)}function AK(){AK.b2Island.apply(this,arguments);this.constructor===AK&&this.b2Island.apply(this,arguments)}function AE(){AE.b2TimeStep.apply(this,arguments)}function AC(){AC.b2World.apply(this,arguments);this.constructor===AC&&this.b2World.apply(this,arguments)}function Bn(){Bn.b2CircleContact.apply(this,arguments)}function Bk(){Bk.b2Contact.apply(this,arguments);this.constructor===Bk&&this.b2Contact.apply(this,arguments)}function Bb(){Bb.b2ContactConstraint.apply(this,arguments);this.constructor===Bb&&this.b2ContactConstraint.apply(this,arguments)}function Be(){Be.b2ContactConstraintPoint.apply(this,arguments)}function BR(){BR.b2ContactEdge.apply(this,arguments)}function BI(){BI.b2ContactFactory.apply(this,arguments);this.constructor===BI&&this.b2ContactFactory.apply(this,arguments)}function Au(){Au.b2ContactRegister.apply(this,arguments)}function AO(){AO.b2ContactResult.apply(this,arguments)}function Al(){Al.b2ContactSolver.apply(this,arguments);this.constructor===Al&&this.b2ContactSolver.apply(this,arguments)}function AG(){AG.b2EdgeAndCircleContact.apply(this,arguments)}function AL(){AL.b2NullContact.apply(this,arguments);this.constructor===AL&&this.b2NullContact.apply(this,arguments)}function Bp(){Bp.b2PolyAndCircleContact.apply(this,arguments)}function Bh(){Bh.b2PolyAndEdgeContact.apply(this,arguments)}function BW(){BW.b2PolygonContact.apply(this,arguments)}function AD(){AD.b2PositionSolverManifold.apply(this,arguments);this.constructor===AD&&this.b2PositionSolverManifold.apply(this,arguments)}function Ay(){Ay.b2BuoyancyController.apply(this,arguments)}function AQ(){AQ.b2ConstantAccelController.apply(this,arguments)}function AI(){AI.b2ConstantForceController.apply(this,arguments)}function AB(){AB.b2Controller.apply(this,arguments)}function Bj(){Bj.b2ControllerEdge.apply(this,arguments)}function BY(){BY.b2GravityController.apply(this,arguments)}function A0(){A0.b2TensorDampingController.apply(this,arguments)}function Bm(){Bm.b2DistanceJoint.apply(this,arguments);this.constructor===Bm&&this.b2DistanceJoint.apply(this,arguments)}function Bd(){Bd.b2DistanceJointDef.apply(this,arguments);this.constructor===Bd&&this.b2DistanceJointDef.apply(this,arguments)}function BO(){BO.b2FrictionJoint.apply(this,arguments);this.constructor===BO&&this.b2FrictionJoint.apply(this,arguments)}function Ar(){Ar.b2FrictionJointDef.apply(this,arguments);this.constructor===Ar&&this.b2FrictionJointDef.apply(this,arguments)}function AN(){AN.b2GearJoint.apply(this,arguments);this.constructor===AN&&this.b2GearJoint.apply(this,arguments)}function AF(){AF.b2GearJointDef.apply(this,arguments);this.constructor===AF&&this.b2GearJointDef.apply(this,arguments)}function AT(){AT.b2Jacobian.apply(this,arguments)}function Bo(){Bo.b2Joint.apply(this,arguments);this.constructor===Bo&&this.b2Joint.apply(this,arguments)}function Bg(){Bg.b2JointDef.apply(this,arguments);this.constructor===Bg&&this.b2JointDef.apply(this,arguments)}function AJ(){AJ.b2JointEdge.apply(this,arguments)}function BV(){BV.b2LineJoint.apply(this,arguments);this.constructor===BV&&this.b2LineJoint.apply(this,arguments)}function Ax(){Ax.b2LineJointDef.apply(this,arguments);this.constructor===Ax&&this.b2LineJointDef.apply(this,arguments)}function AP(){AP.b2MouseJoint.apply(this,arguments);this.constructor===AP&&this.b2MouseJoint.apply(this,arguments)}function AH(){AH.b2MouseJointDef.apply(this,arguments);this.constructor===AH&&this.b2MouseJointDef.apply(this,arguments)}function AA(){AA.b2PrismaticJoint.apply(this,arguments);this.constructor===AA&&this.b2PrismaticJoint.apply(this,arguments)}function Bi(){Bi.b2PrismaticJointDef.apply(this,arguments);this.constructor===Bi&&this.b2PrismaticJointDef.apply(this,arguments)}function BX(){BX.b2PulleyJoint.apply(this,arguments);this.constructor===BX&&this.b2PulleyJoint.apply(this,arguments)}function Bl(){Bl.b2PulleyJointDef.apply(this,arguments);this.constructor===Bl&&this.b2PulleyJointDef.apply(this,arguments)}function Bc(){Bc.b2RevoluteJoint.apply(this,arguments);this.constructor===Bc&&this.b2RevoluteJoint.apply(this,arguments)}function BJ(){BJ.b2RevoluteJointDef.apply(this,arguments);this.constructor===BJ&&this.b2RevoluteJointDef.apply(this,arguments)}function Am(){Am.b2WeldJoint.apply(this,arguments);this.constructor===Am&&this.b2WeldJoint.apply(this,arguments)}function AM(){AM.b2WeldJointDef.apply(this,arguments);this.constructor===AM&&this.b2WeldJointDef.apply(this,arguments)}Box2D.Collision.IBroadPhase="Box2D.Collision.IBroadPhase";Box2D.Collision.b2AABB=BN;Box2D.Collision.b2Bound=BM;Box2D.Collision.b2BoundValues=BG;Box2D.Collision.b2Collision=AS;Box2D.Collision.b2ContactID=AV;Box2D.Collision.b2ContactPoint=BU;Box2D.Collision.b2Distance=A5;Box2D.Collision.b2DistanceInput=Ad;Box2D.Collision.b2DistanceOutput=BT;Box2D.Collision.b2DistanceProxy=A9;Box2D.Collision.b2DynamicTree=A4;Box2D.Collision.b2DynamicTreeBroadPhase=BE;Box2D.Collision.b2DynamicTreeNode=BF;Box2D.Collision.b2DynamicTreePair=BK;Box2D.Collision.b2Manifold=A3;Box2D.Collision.b2ManifoldPoint=A1;Box2D.Collision.b2Point=Aj;Box2D.Collision.b2RayCastInput=AR;Box2D.Collision.b2RayCastOutput=AX;Box2D.Collision.b2Segment=BQ;Box2D.Collision.b2SeparationFunction=BL;Box2D.Collision.b2Simplex=BC;Box2D.Collision.b2SimplexCache=BP;Box2D.Collision.b2SimplexVertex=A8;Box2D.Collision.b2TimeOfImpact=BD;Box2D.Collision.b2TOIInput=A7;Box2D.Collision.b2WorldManifold=BZ;Box2D.Collision.ClipVertex=Az;Box2D.Collision.Features=As;Box2D.Collision.Shapes.b2CircleShape=An;Box2D.Collision.Shapes.b2EdgeChainDef=Ai;Box2D.Collision.Shapes.b2EdgeShape=Ak;Box2D.Collision.Shapes.b2MassData=Ae;Box2D.Collision.Shapes.b2PolygonShape=Ac;Box2D.Collision.Shapes.b2Shape=Af;Box2D.Common.b2internal="Box2D.Common.b2internal";Box2D.Common.b2Color=Aw;Box2D.Common.b2Settings=At;Box2D.Common.Math.b2Mat22=Ao;Box2D.Common.Math.b2Mat33=Av;Box2D.Common.Math.b2Math=Aq;Box2D.Common.Math.b2Sweep=Ap;Box2D.Common.Math.b2Transform=Ah;Box2D.Common.Math.b2Vec2=Ab;Box2D.Common.Math.b2Vec3=AZ;Box2D.Dynamics.b2Body=AW;Box2D.Dynamics.b2BodyDef=AY;Box2D.Dynamics.b2ContactFilter=AU;Box2D.Dynamics.b2ContactImpulse=BS;Box2D.Dynamics.b2ContactListener=BH;Box2D.Dynamics.b2ContactManager=A6;Box2D.Dynamics.b2DebugDraw=BA;Box2D.Dynamics.b2DestructionListener=A2;Box2D.Dynamics.b2FilterData=Bf;Box2D.Dynamics.b2Fixture=BB;Box2D.Dynamics.b2FixtureDef=Ag;Box2D.Dynamics.b2Island=AK;Box2D.Dynamics.b2TimeStep=AE;Box2D.Dynamics.b2World=AC;Box2D.Dynamics.Contacts.b2CircleContact=Bn;Box2D.Dynamics.Contacts.b2Contact=Bk;Box2D.Dynamics.Contacts.b2ContactConstraint=Bb;Box2D.Dynamics.Contacts.b2ContactConstraintPoint=Be;Box2D.Dynamics.Contacts.b2ContactEdge=BR;Box2D.Dynamics.Contacts.b2ContactFactory=BI;Box2D.Dynamics.Contacts.b2ContactRegister=Au;Box2D.Dynamics.Contacts.b2ContactResult=AO;Box2D.Dynamics.Contacts.b2ContactSolver=Al;Box2D.Dynamics.Contacts.b2EdgeAndCircleContact=AG;Box2D.Dynamics.Contacts.b2NullContact=AL;Box2D.Dynamics.Contacts.b2PolyAndCircleContact=Bp;Box2D.Dynamics.Contacts.b2PolyAndEdgeContact=Bh;Box2D.Dynamics.Contacts.b2PolygonContact=BW;Box2D.Dynamics.Contacts.b2PositionSolverManifold=AD;Box2D.Dynamics.Controllers.b2BuoyancyController=Ay;Box2D.Dynamics.Controllers.b2ConstantAccelController=AQ;Box2D.Dynamics.Controllers.b2ConstantForceController=AI;Box2D.Dynamics.Controllers.b2Controller=AB;Box2D.Dynamics.Controllers.b2ControllerEdge=Bj;Box2D.Dynamics.Controllers.b2GravityController=BY;Box2D.Dynamics.Controllers.b2TensorDampingController=A0;Box2D.Dynamics.Joints.b2DistanceJoint=Bm;Box2D.Dynamics.Joints.b2DistanceJointDef=Bd;Box2D.Dynamics.Joints.b2FrictionJoint=BO;Box2D.Dynamics.Joints.b2FrictionJointDef=Ar;Box2D.Dynamics.Joints.b2GearJoint=AN;Box2D.Dynamics.Joints.b2GearJointDef=AF;Box2D.Dynamics.Joints.b2Jacobian=AT;Box2D.Dynamics.Joints.b2Joint=Bo;Box2D.Dynamics.Joints.b2JointDef=Bg;Box2D.Dynamics.Joints.b2JointEdge=AJ;Box2D.Dynamics.Joints.b2LineJoint=BV;Box2D.Dynamics.Joints.b2LineJointDef=Ax;Box2D.Dynamics.Joints.b2MouseJoint=AP;Box2D.Dynamics.Joints.b2MouseJointDef=AH;Box2D.Dynamics.Joints.b2PrismaticJoint=AA;Box2D.Dynamics.Joints.b2PrismaticJointDef=Bi;Box2D.Dynamics.Joints.b2PulleyJoint=BX;Box2D.Dynamics.Joints.b2PulleyJointDef=Bl;Box2D.Dynamics.Joints.b2RevoluteJoint=Bc;Box2D.Dynamics.Joints.b2RevoluteJointDef=BJ;Box2D.Dynamics.Joints.b2WeldJoint=Am;Box2D.Dynamics.Joints.b2WeldJointDef=AM})();Box2D.postDefs=[];(function(){var AF=Box2D.Collision.Shapes.b2CircleShape,AE=Box2D.Collision.Shapes.b2PolygonShape,AB=Box2D.Collision.Shapes.b2Shape,AM=Box2D.Common.b2Settings,AN=Box2D.Common.Math.b2Math,AJ=Box2D.Common.Math.b2Sweep,X=Box2D.Common.Math.b2Transform,AQ=Box2D.Common.Math.b2Vec2,AI=Box2D.Collision.b2AABB,f=Box2D.Collision.b2Bound,T=Box2D.Collision.b2BoundValues,x=Box2D.Collision.b2Collision,AA=Box2D.Collision.b2ContactID,AC=Box2D.Collision.b2ContactPoint,P=Box2D.Collision.b2Distance,J=Box2D.Collision.b2DistanceInput,AU=Box2D.Collision.b2DistanceOutput,AL=Box2D.Collision.b2DistanceProxy,AO=Box2D.Collision.b2DynamicTree,AH=Box2D.Collision.b2DynamicTreeBroadPhase,AD=Box2D.Collision.b2DynamicTreeNode,m=Box2D.Collision.b2DynamicTreePair,AG=Box2D.Collision.b2Manifold,e=Box2D.Collision.b2ManifoldPoint,t=Box2D.Collision.b2Point,b=Box2D.Collision.b2RayCastInput,AK=Box2D.Collision.b2RayCastOutput,C=Box2D.Collision.b2Segment,AY=Box2D.Collision.b2SeparationFunction,AW=Box2D.Collision.b2Simplex,AT=Box2D.Collision.b2SimplexCache,AV=Box2D.Collision.b2SimplexVertex,AR=Box2D.Collision.b2TimeOfImpact,AP=Box2D.Collision.b2TOIInput,AS=Box2D.Collision.b2WorldManifold,Aa=Box2D.Collision.ClipVertex,AZ=Box2D.Collision.Features,AX=Box2D.Collision.IBroadPhase;AI.b2AABB=function(){this.lowerBound=new AQ;this.upperBound=new AQ};AI.prototype.IsValid=function(){var A=this.upperBound.y-this.lowerBound.y;return A=(A=this.upperBound.x-this.lowerBound.x>=0&&A>=0)&&this.lowerBound.IsValid()&&this.upperBound.IsValid()};AI.prototype.GetCenter=function(){return new AQ((this.lowerBound.x+this.upperBound.x)/2,(this.lowerBound.y+this.upperBound.y)/2)};AI.prototype.GetExtents=function(){return new AQ((this.upperBound.x-this.lowerBound.x)/2,(this.upperBound.y-this.lowerBound.y)/2)};AI.prototype.Contains=function(A){var B=true;return B=(B=(B=(B=B&&this.lowerBound.x<=A.lowerBound.x)&&this.lowerBound.y<=A.lowerBound.y)&&A.upperBound.x<=this.upperBound.x)&&A.upperBound.y<=this.upperBound.y};AI.prototype.RayCast=function(I,H){var G=-Number.MAX_VALUE,D=Number.MAX_VALUE,A=H.p1.x,O=H.p1.y,M=H.p2.x-H.p1.x,N=H.p2.y-H.p1.y,L=Math.abs(N),B=I.normal,K=0,E=0,F=K=0;F=0;if(Math.abs(M)<Number.MIN_VALUE){if(A<this.lowerBound.x||this.upperBound.x<A){return false}}else{K=1/M;E=(this.lowerBound.x-A)*K;K=(this.upperBound.x-A)*K;F=-1;if(E>K){F=E;E=K;K=F;F=1}if(E>G){B.x=F;B.y=0;G=E}D=Math.min(D,K);if(G>D){return false}}if(L<Number.MIN_VALUE){if(O<this.lowerBound.y||this.upperBound.y<O){return false}}else{K=1/N;E=(this.lowerBound.y-O)*K;K=(this.upperBound.y-O)*K;F=-1;if(E>K){F=E;E=K;K=F;F=1}if(E>G){B.y=F;B.x=0;G=E}D=Math.min(D,K);if(G>D){return false}}I.fraction=G;return true};AI.prototype.TestOverlap=function(A){var D=A.lowerBound.y-this.upperBound.y,B=this.lowerBound.y-A.upperBound.y;if(A.lowerBound.x-this.upperBound.x>0||D>0){return false}if(this.lowerBound.x-A.upperBound.x>0||B>0){return false}return true};AI.Combine=function(A,D){var B=new AI;B.Combine(A,D);return B};AI.prototype.Combine=function(A,B){this.lowerBound.x=Math.min(A.lowerBound.x,B.lowerBound.x);this.lowerBound.y=Math.min(A.lowerBound.y,B.lowerBound.y);this.upperBound.x=Math.max(A.upperBound.x,B.upperBound.x);this.upperBound.y=Math.max(A.upperBound.y,B.upperBound.y)};f.b2Bound=function(){};f.prototype.IsLower=function(){return(this.value&1)==0};f.prototype.IsUpper=function(){return(this.value&1)==1};f.prototype.Swap=function(B){var E=this.value,D=this.proxy,A=this.stabbingCount;this.value=B.value;this.proxy=B.proxy;this.stabbingCount=B.stabbingCount;B.value=E;B.proxy=D;B.stabbingCount=A};T.b2BoundValues=function(){};T.prototype.b2BoundValues=function(){this.lowerValues=new Vector_a2j_Number;this.lowerValues[0]=0;this.lowerValues[1]=0;this.upperValues=new Vector_a2j_Number;this.upperValues[0]=0;this.upperValues[1]=0};x.b2Collision=function(){};x.ClipSegmentToLine=function(F,E,D,B){if(B===undefined){B=0}var A,K=0;A=E[0];var H=A.v;A=E[1];var I=A.v,G=D.x*H.x+D.y*H.y-B;A=D.x*I.x+D.y*I.y-B;G<=0&&F[K++].Set(E[0]);A<=0&&F[K++].Set(E[1]);if(G*A<0){D=G/(G-A);A=F[K];A=A.v;A.x=H.x+D*(I.x-H.x);A.y=H.y+D*(I.y-H.y);A=F[K];A.id=(G>0?E[0]:E[1]).id;++K}return K};x.EdgeSeparation=function(K,I,H,E,A){if(H===undefined){H=0}parseInt(K.m_vertexCount);var Q=K.m_vertices;K=K.m_normals;var N=parseInt(E.m_vertexCount),O=E.m_vertices,M,B;M=I.R;B=K[H];K=M.col1.x*B.x+M.col2.x*B.y;E=M.col1.y*B.x+M.col2.y*B.y;M=A.R;var L=M.col1.x*K+M.col1.y*E;M=M.col2.x*K+M.col2.y*E;for(var F=0,G=Number.MAX_VALUE,D=0;D<N;++D){B=O[D];B=B.x*L+B.y*M;if(B<G){G=B;F=D}}B=Q[H];M=I.R;H=I.position.x+(M.col1.x*B.x+M.col2.x*B.y);I=I.position.y+(M.col1.y*B.x+M.col2.y*B.y);B=O[F];M=A.R;Q=A.position.x+(M.col1.x*B.x+M.col2.x*B.y);A=A.position.y+(M.col1.y*B.x+M.col2.y*B.y);Q-=H;A-=I;return Q*K+A*E};x.FindMaxSeparation=function(L,K,I,E,A){var R=parseInt(K.m_vertexCount),O=K.m_normals,Q,N;N=A.R;Q=E.m_centroid;var B=A.position.x+(N.col1.x*Q.x+N.col2.x*Q.y),M=A.position.y+(N.col1.y*Q.x+N.col2.y*Q.y);N=I.R;Q=K.m_centroid;B-=I.position.x+(N.col1.x*Q.x+N.col2.x*Q.y);M-=I.position.y+(N.col1.y*Q.x+N.col2.y*Q.y);N=B*I.R.col1.x+M*I.R.col1.y;M=B*I.R.col2.x+M*I.R.col2.y;B=0;for(var F=-Number.MAX_VALUE,H=0;H<R;++H){Q=O[H];Q=Q.x*N+Q.y*M;if(Q>F){F=Q;B=H}}O=x.EdgeSeparation(K,I,B,E,A);Q=parseInt(B-1>=0?B-1:R-1);N=x.EdgeSeparation(K,I,Q,E,A);M=parseInt(B+1<R?B+1:0);F=x.EdgeSeparation(K,I,M,E,A);var D=H=0,G=0;if(N>O&&N>F){G=-1;H=Q;D=N}else{if(F>O){G=1;H=M;D=F}else{L[0]=B;return O}}for(;;){B=G==-1?H-1>=0?H-1:R-1:H+1<R?H+1:0;O=x.EdgeSeparation(K,I,B,E,A);if(O>D){H=B;D=O}else{break}}L[0]=H;return D};x.FindIncidentEdge=function(H,G,F,D,A,N){if(D===undefined){D=0}parseInt(G.m_vertexCount);var L=G.m_normals,M=parseInt(A.m_vertexCount);G=A.m_vertices;A=A.m_normals;var K;K=F.R;F=L[D];L=K.col1.x*F.x+K.col2.x*F.y;var B=K.col1.y*F.x+K.col2.y*F.y;K=N.R;F=K.col1.x*L+K.col1.y*B;B=K.col2.x*L+K.col2.y*B;L=F;K=0;for(var I=Number.MAX_VALUE,E=0;E<M;++E){F=A[E];F=L*F.x+B*F.y;if(F<I){I=F;K=E}}A=parseInt(K);L=parseInt(A+1<M?A+1:0);M=H[0];F=G[A];K=N.R;M.v.x=N.position.x+(K.col1.x*F.x+K.col2.x*F.y);M.v.y=N.position.y+(K.col1.y*F.x+K.col2.y*F.y);M.id.features.referenceEdge=D;M.id.features.incidentEdge=A;M.id.features.incidentVertex=0;M=H[1];F=G[L];K=N.R;M.v.x=N.position.x+(K.col1.x*F.x+K.col2.x*F.y);M.v.y=N.position.y+(K.col1.y*F.x+K.col2.y*F.y);M.id.features.referenceEdge=D;M.id.features.incidentEdge=L;M.id.features.incidentVertex=1};x.MakeClipPointVector=function(){var A=new Vector(2);A[0]=new Aa;A[1]=new Aa;return A};x.CollidePolygons=function(M,K,I,E,A){var S;M.m_pointCount=0;var Q=K.m_radius+E.m_radius;S=0;x.s_edgeAO[0]=S;var R=x.FindMaxSeparation(x.s_edgeAO,K,I,E,A);S=x.s_edgeAO[0];if(!(R>Q)){var O=0;x.s_edgeBO[0]=O;var B=x.FindMaxSeparation(x.s_edgeBO,E,A,K,I);O=x.s_edgeBO[0];if(!(B>Q)){var N=0,F=0;if(B>0.98*R+0.001){R=E;E=K;K=A;I=I;N=O;M.m_type=AG.e_faceB;F=1}else{R=K;E=E;K=I;I=A;N=S;M.m_type=AG.e_faceA;F=0}S=x.s_incidentEdge;x.FindIncidentEdge(S,R,K,N,E,I);O=parseInt(R.m_vertexCount);A=R.m_vertices;R=A[N];var H;H=N+1<O?A[parseInt(N+1)]:A[0];N=x.s_localTangent;N.Set(H.x-R.x,H.y-R.y);N.Normalize();A=x.s_localNormal;A.x=N.y;A.y=-N.x;E=x.s_planePoint;E.Set(0.5*(R.x+H.x),0.5*(R.y+H.y));B=x.s_tangent;O=K.R;B.x=O.col1.x*N.x+O.col2.x*N.y;B.y=O.col1.y*N.x+O.col2.y*N.y;var D=x.s_tangent2;D.x=-B.x;D.y=-B.y;N=x.s_normal;N.x=B.y;N.y=-B.x;var G=x.s_v11,L=x.s_v12;G.x=K.position.x+(O.col1.x*R.x+O.col2.x*R.y);G.y=K.position.y+(O.col1.y*R.x+O.col2.y*R.y);L.x=K.position.x+(O.col1.x*H.x+O.col2.x*H.y);L.y=K.position.y+(O.col1.y*H.x+O.col2.y*H.y);K=N.x*G.x+N.y*G.y;O=B.x*L.x+B.y*L.y+Q;H=x.s_clipPoints1;R=x.s_clipPoints2;L=0;L=x.ClipSegmentToLine(H,S,D,-B.x*G.x-B.y*G.y+Q);if(!(L<2)){L=x.ClipSegmentToLine(R,H,B,O);if(!(L<2)){M.m_localPlaneNormal.SetV(A);M.m_localPoint.SetV(E);for(E=A=0;E<AM.b2_maxManifoldPoints;++E){S=R[E];if(N.x*S.v.x+N.y*S.v.y-K<=Q){B=M.m_points[A];O=I.R;D=S.v.x-I.position.x;G=S.v.y-I.position.y;B.m_localPoint.x=D*O.col1.x+G*O.col1.y;B.m_localPoint.y=D*O.col2.x+G*O.col2.y;B.m_id.Set(S.id);B.m_id.features.flip=F;++A}}M.m_pointCount=A}}}}};x.CollideCircles=function(B,I,H,A,G){B.m_pointCount=0;var F,D;F=H.R;D=I.m_p;var E=H.position.x+(F.col1.x*D.x+F.col2.x*D.y);H=H.position.y+(F.col1.y*D.x+F.col2.y*D.y);F=G.R;D=A.m_p;E=G.position.x+(F.col1.x*D.x+F.col2.x*D.y)-E;G=G.position.y+(F.col1.y*D.x+F.col2.y*D.y)-H;F=I.m_radius+A.m_radius;if(!(E*E+G*G>F*F)){B.m_type=AG.e_circles;B.m_localPoint.SetV(I.m_p);B.m_localPlaneNormal.SetZero();B.m_pointCount=1;B.m_points[0].m_localPoint.SetV(A.m_p);B.m_points[0].m_id.key=0}};x.CollidePolygonAndCircle=function(K,I,H,E,A){var Q=K.m_pointCount=0,N=0,O,M;M=A.R;O=E.m_p;var B=A.position.y+(M.col1.y*O.x+M.col2.y*O.y);Q=A.position.x+(M.col1.x*O.x+M.col2.x*O.y)-H.position.x;N=B-H.position.y;M=H.R;H=Q*M.col1.x+N*M.col1.y;M=Q*M.col2.x+N*M.col2.y;var L=0;B=-Number.MAX_VALUE;A=I.m_radius+E.m_radius;var F=parseInt(I.m_vertexCount),G=I.m_vertices;I=I.m_normals;for(var D=0;D<F;++D){O=G[D];Q=H-O.x;N=M-O.y;O=I[D];Q=O.x*Q+O.y*N;if(Q>A){return}if(Q>B){B=Q;L=D}}Q=parseInt(L);N=parseInt(Q+1<F?Q+1:0);O=G[Q];G=G[N];if(B<Number.MIN_VALUE){K.m_pointCount=1;K.m_type=AG.e_faceA;K.m_localPlaneNormal.SetV(I[L]);K.m_localPoint.x=0.5*(O.x+G.x);K.m_localPoint.y=0.5*(O.y+G.y)}else{B=(H-G.x)*(O.x-G.x)+(M-G.y)*(O.y-G.y);if((H-O.x)*(G.x-O.x)+(M-O.y)*(G.y-O.y)<=0){if((H-O.x)*(H-O.x)+(M-O.y)*(M-O.y)>A*A){return}K.m_pointCount=1;K.m_type=AG.e_faceA;K.m_localPlaneNormal.x=H-O.x;K.m_localPlaneNormal.y=M-O.y;K.m_localPlaneNormal.Normalize();K.m_localPoint.SetV(O)}else{if(B<=0){if((H-G.x)*(H-G.x)+(M-G.y)*(M-G.y)>A*A){return}K.m_pointCount=1;K.m_type=AG.e_faceA;K.m_localPlaneNormal.x=H-G.x;K.m_localPlaneNormal.y=M-G.y;K.m_localPlaneNormal.Normalize();K.m_localPoint.SetV(G)}else{L=0.5*(O.x+G.x);O=0.5*(O.y+G.y);B=(H-L)*I[Q].x+(M-O)*I[Q].y;if(B>A){return}K.m_pointCount=1;K.m_type=AG.e_faceA;K.m_localPlaneNormal.x=I[Q].x;K.m_localPlaneNormal.y=I[Q].y;K.m_localPlaneNormal.Normalize();K.m_localPoint.Set(L,O)}}}K.m_points[0].m_localPoint.SetV(E.m_p);K.m_points[0].m_id.key=0};x.TestOverlap=function(B,H){var G=H.lowerBound,A=B.upperBound,F=G.x-A.x,E=G.y-A.y;G=B.lowerBound;A=H.upperBound;var D=G.y-A.y;if(F>0||E>0){return false}if(G.x-A.x>0||D>0){return false}return true};Box2D.postDefs.push(function(){Box2D.Collision.b2Collision.s_incidentEdge=x.MakeClipPointVector();Box2D.Collision.b2Collision.s_clipPoints1=x.MakeClipPointVector();Box2D.Collision.b2Collision.s_clipPoints2=x.MakeClipPointVector();Box2D.Collision.b2Collision.s_edgeAO=new Vector_a2j_Number(1);Box2D.Collision.b2Collision.s_edgeBO=new Vector_a2j_Number(1);Box2D.Collision.b2Collision.s_localTangent=new AQ;Box2D.Collision.b2Collision.s_localNormal=new AQ;Box2D.Collision.b2Collision.s_planePoint=new AQ;Box2D.Collision.b2Collision.s_normal=new AQ;Box2D.Collision.b2Collision.s_tangent=new AQ;Box2D.Collision.b2Collision.s_tangent2=new AQ;Box2D.Collision.b2Collision.s_v11=new AQ;Box2D.Collision.b2Collision.s_v12=new AQ;Box2D.Collision.b2Collision.b2CollidePolyTempVec=new AQ;Box2D.Collision.b2Collision.b2_nullFeature=255});AA.b2ContactID=function(){this.features=new AZ};AA.prototype.b2ContactID=function(){this.features._m_id=this};AA.prototype.Set=function(A){this.key=A._key};AA.prototype.Copy=function(){var A=new AA;A.key=this.key;return A};Object.defineProperty(AA.prototype,"key",{enumerable:false,configurable:true,get:function(){return this._key}});Object.defineProperty(AA.prototype,"key",{enumerable:false,configurable:true,set:function(A){if(A===undefined){A=0}this._key=A;this.features._referenceEdge=this._key&255;this.features._incidentEdge=(this._key&65280)>>8&255;this.features._incidentVertex=(this._key&16711680)>>16&255;this.features._flip=(this._key&4278190080)>>24&255}});AC.b2ContactPoint=function(){this.position=new AQ;this.velocity=new AQ;this.normal=new AQ;this.id=new AA};P.b2Distance=function(){};P.Distance=function(M,K,I){++P.b2_gjkCalls;var E=I.proxyA,A=I.proxyB,S=I.transformA,Q=I.transformB,R=P.s_simplex;R.ReadCache(K,E,S,A,Q);var O=R.m_vertices,B=P.s_saveA,N=P.s_saveB,F=0;R.GetClosestPoint().LengthSquared();for(var H=0,D,G=0;G<20;){F=R.m_count;for(H=0;H<F;H++){B[H]=O[H].indexA;N[H]=O[H].indexB}switch(R.m_count){case 1:break;case 2:R.Solve2();break;case 3:R.Solve3();break;default:AM.b2Assert(false)}if(R.m_count==3){break}D=R.GetClosestPoint();D.LengthSquared();H=R.GetSearchDirection();if(H.LengthSquared()<Number.MIN_VALUE*Number.MIN_VALUE){break}D=O[R.m_count];D.indexA=E.GetSupport(AN.MulTMV(S.R,H.GetNegative()));D.wA=AN.MulX(S,E.GetVertex(D.indexA));D.indexB=A.GetSupport(AN.MulTMV(Q.R,H));D.wB=AN.MulX(Q,A.GetVertex(D.indexB));D.w=AN.SubtractVV(D.wB,D.wA);++G;++P.b2_gjkIters;var L=false;for(H=0;H<F;H++){if(D.indexA==B[H]&&D.indexB==N[H]){L=true;break}}if(L){break}++R.m_count}P.b2_gjkMaxIters=AN.Max(P.b2_gjkMaxIters,G);R.GetWitnessPoints(M.pointA,M.pointB);M.distance=AN.SubtractVV(M.pointA,M.pointB).Length();M.iterations=G;R.WriteCache(K);if(I.useRadii){K=E.m_radius;A=A.m_radius;if(M.distance>K+A&&M.distance>Number.MIN_VALUE){M.distance-=K+A;I=AN.SubtractVV(M.pointB,M.pointA);I.Normalize();M.pointA.x+=K*I.x;M.pointA.y+=K*I.y;M.pointB.x-=A*I.x;M.pointB.y-=A*I.y}else{D=new AQ;D.x=0.5*(M.pointA.x+M.pointB.x);D.y=0.5*(M.pointA.y+M.pointB.y);M.pointA.x=M.pointB.x=D.x;M.pointA.y=M.pointB.y=D.y;M.distance=0}}};Box2D.postDefs.push(function(){Box2D.Collision.b2Distance.s_simplex=new AW;Box2D.Collision.b2Distance.s_saveA=new Vector_a2j_Number(3);Box2D.Collision.b2Distance.s_saveB=new Vector_a2j_Number(3)});J.b2DistanceInput=function(){};AU.b2DistanceOutput=function(){this.pointA=new AQ;this.pointB=new AQ};AL.b2DistanceProxy=function(){};AL.prototype.Set=function(A){switch(A.GetType()){case AB.e_circleShape:A=A instanceof AF?A:null;this.m_vertices=new Vector(1,true);this.m_vertices[0]=A.m_p;this.m_count=1;this.m_radius=A.m_radius;break;case AB.e_polygonShape:A=A instanceof AE?A:null;this.m_vertices=A.m_vertices;this.m_count=A.m_vertexCount;this.m_radius=A.m_radius;break;default:AM.b2Assert(false)}};AL.prototype.GetSupport=function(B){for(var F=0,E=this.m_vertices[0].x*B.x+this.m_vertices[0].y*B.y,A=1;A<this.m_count;++A){var D=this.m_vertices[A].x*B.x+this.m_vertices[A].y*B.y;if(D>E){F=A;E=D}}return F};AL.prototype.GetSupportVertex=function(B){for(var F=0,E=this.m_vertices[0].x*B.x+this.m_vertices[0].y*B.y,A=1;A<this.m_count;++A){var D=this.m_vertices[A].x*B.x+this.m_vertices[A].y*B.y;if(D>E){F=A;E=D}}return this.m_vertices[F]};AL.prototype.GetVertexCount=function(){return this.m_count};AL.prototype.GetVertex=function(A){if(A===undefined){A=0}AM.b2Assert(0<=A&&A<this.m_count);return this.m_vertices[A]};AO.b2DynamicTree=function(){};AO.prototype.b2DynamicTree=function(){this.m_freeList=this.m_root=null;this.m_insertionCount=this.m_path=0};AO.prototype.CreateProxy=function(B,F){var E=this.AllocateNode(),A=AM.b2_aabbExtension,D=AM.b2_aabbExtension;E.aabb.lowerBound.x=B.lowerBound.x-A;E.aabb.lowerBound.y=B.lowerBound.y-D;E.aabb.upperBound.x=B.upperBound.x+A;E.aabb.upperBound.y=B.upperBound.y+D;E.userData=F;this.InsertLeaf(E);return E};AO.prototype.DestroyProxy=function(A){this.RemoveLeaf(A);this.FreeNode(A)};AO.prototype.MoveProxy=function(B,E,D){AM.b2Assert(B.IsLeaf());if(B.aabb.Contains(E)){return false}this.RemoveLeaf(B);var A=AM.b2_aabbExtension+AM.b2_aabbMultiplier*(D.x>0?D.x:-D.x);D=AM.b2_aabbExtension+AM.b2_aabbMultiplier*(D.y>0?D.y:-D.y);B.aabb.lowerBound.x=E.lowerBound.x-A;B.aabb.lowerBound.y=E.lowerBound.y-D;B.aabb.upperBound.x=E.upperBound.x+A;B.aabb.upperBound.y=E.upperBound.y+D;this.InsertLeaf(B);return true};AO.prototype.Rebalance=function(B){if(B===undefined){B=0}if(this.m_root!=null){for(var E=0;E<B;E++){for(var D=this.m_root,A=0;D.IsLeaf()==false;){D=this.m_path>>A&1?D.child2:D.child1;A=A+1&31}++this.m_path;this.RemoveLeaf(D);this.InsertLeaf(D)}}};AO.prototype.GetFatAABB=function(A){return A.aabb};AO.prototype.GetUserData=function(A){return A.userData};AO.prototype.Query=function(B,F){if(this.m_root!=null){var E=new Vector,A=0;for(E[A++]=this.m_root;A>0;){var D=E[--A];if(D.aabb.TestOverlap(F)){if(D.IsLeaf()){if(!B(D)){break}}else{E[A++]=D.child1;E[A++]=D.child2}}}}};AO.prototype.RayCast=function(H,G){if(this.m_root!=null){var F=G.p1,D=G.p2,A=AN.SubtractVV(F,D);A.Normalize();A=AN.CrossFV(1,A);var N=AN.AbsV(A),L=G.maxFraction,M=new AI,K=0,B=0;K=F.x+L*(D.x-F.x);B=F.y+L*(D.y-F.y);M.lowerBound.x=Math.min(F.x,K);M.lowerBound.y=Math.min(F.y,B);M.upperBound.x=Math.max(F.x,K);M.upperBound.y=Math.max(F.y,B);var I=new Vector,E=0;for(I[E++]=this.m_root;E>0;){L=I[--E];if(L.aabb.TestOverlap(M)!=false){K=L.aabb.GetCenter();B=L.aabb.GetExtents();if(!(Math.abs(A.x*(F.x-K.x)+A.y*(F.y-K.y))-N.x*B.x-N.y*B.y>0)){if(L.IsLeaf()){K=new b;K.p1=G.p1;K.p2=G.p2;K.maxFraction=G.maxFraction;L=H(K,L);if(L==0){break}if(L>0){K=F.x+L*(D.x-F.x);B=F.y+L*(D.y-F.y);M.lowerBound.x=Math.min(F.x,K);M.lowerBound.y=Math.min(F.y,B);M.upperBound.x=Math.max(F.x,K);M.upperBound.y=Math.max(F.y,B)}}else{I[E++]=L.child1;I[E++]=L.child2}}}}}};AO.prototype.AllocateNode=function(){if(this.m_freeList){var A=this.m_freeList;this.m_freeList=A.parent;A.parent=null;A.child1=null;A.child2=null;return A}return new AD};AO.prototype.FreeNode=function(A){A.parent=this.m_freeList;this.m_freeList=A};AO.prototype.InsertLeaf=function(B){++this.m_insertionCount;if(this.m_root==null){this.m_root=B;this.m_root.parent=null}else{var E=B.aabb.GetCenter(),D=this.m_root;if(D.IsLeaf()==false){do{var A=D.child1;D=D.child2;D=Math.abs((A.aabb.lowerBound.x+A.aabb.upperBound.x)/2-E.x)+Math.abs((A.aabb.lowerBound.y+A.aabb.upperBound.y)/2-E.y)<Math.abs((D.aabb.lowerBound.x+D.aabb.upperBound.x)/2-E.x)+Math.abs((D.aabb.lowerBound.y+D.aabb.upperBound.y)/2-E.y)?A:D}while(D.IsLeaf()==false)}E=D.parent;A=this.AllocateNode();A.parent=E;A.userData=null;A.aabb.Combine(B.aabb,D.aabb);if(E){if(D.parent.child1==D){E.child1=A}else{E.child2=A}A.child1=D;A.child2=B;D.parent=A;B.parent=A;do{if(E.aabb.Contains(A.aabb)){break}E.aabb.Combine(E.child1.aabb,E.child2.aabb);A=E;E=E.parent}while(E)}else{A.child1=D;A.child2=B;D.parent=A;this.m_root=B.parent=A}}};AO.prototype.RemoveLeaf=function(A){if(A==this.m_root){this.m_root=null}else{var D=A.parent,B=D.parent;A=D.child1==A?D.child2:D.child1;if(B){if(B.child1==D){B.child1=A}else{B.child2=A}A.parent=B;for(this.FreeNode(D);B;){D=B.aabb;B.aabb=AI.Combine(B.child1.aabb,B.child2.aabb);if(D.Contains(B.aabb)){break}B=B.parent}}else{this.m_root=A;A.parent=null;this.FreeNode(D)}}};AH.b2DynamicTreeBroadPhase=function(){this.m_tree=new AO;this.m_moveBuffer=new Vector;this.m_pairBuffer=new Vector;this.m_pairCount=0};AH.prototype.CreateProxy=function(A,D){var B=this.m_tree.CreateProxy(A,D);++this.m_proxyCount;this.BufferMove(B);return B};AH.prototype.DestroyProxy=function(A){this.UnBufferMove(A);--this.m_proxyCount;this.m_tree.DestroyProxy(A)};AH.prototype.MoveProxy=function(A,D,B){this.m_tree.MoveProxy(A,D,B)&&this.BufferMove(A)};AH.prototype.TestOverlap=function(B,E){var D=this.m_tree.GetFatAABB(B),A=this.m_tree.GetFatAABB(E);return D.TestOverlap(A)};AH.prototype.GetUserData=function(A){return this.m_tree.GetUserData(A)};AH.prototype.GetFatAABB=function(A){return this.m_tree.GetFatAABB(A)};AH.prototype.GetProxyCount=function(){return this.m_proxyCount};AH.prototype.UpdatePairs=function(B){var H=this;var G=H.m_pairCount=0,A;for(G=0;G<H.m_moveBuffer.length;++G){A=H.m_moveBuffer[G];var F=H.m_tree.GetFatAABB(A);H.m_tree.Query(function(K){if(K==A){return true}if(H.m_pairCount==H.m_pairBuffer.length){H.m_pairBuffer[H.m_pairCount]=new m}var I=H.m_pairBuffer[H.m_pairCount];I.proxyA=K<A?K:A;I.proxyB=K>=A?K:A;++H.m_pairCount;return true},F)}for(G=H.m_moveBuffer.length=0;G<H.m_pairCount;){F=H.m_pairBuffer[G];var E=H.m_tree.GetUserData(F.proxyA),D=H.m_tree.GetUserData(F.proxyB);B(E,D);for(++G;G<H.m_pairCount;){E=H.m_pairBuffer[G];if(E.proxyA!=F.proxyA||E.proxyB!=F.proxyB){break}++G}}};AH.prototype.Query=function(A,B){this.m_tree.Query(A,B)};AH.prototype.RayCast=function(A,B){this.m_tree.RayCast(A,B)};AH.prototype.Validate=function(){};AH.prototype.Rebalance=function(A){if(A===undefined){A=0}this.m_tree.Rebalance(A)};AH.prototype.BufferMove=function(A){this.m_moveBuffer[this.m_moveBuffer.length]=A};AH.prototype.UnBufferMove=function(A){this.m_moveBuffer.splice(parseInt(this.m_moveBuffer.indexOf(A)),1)};AH.prototype.ComparePairs=function(){return 0};AH.__implements={};AH.__implements[AX]=true;AD.b2DynamicTreeNode=function(){this.aabb=new AI};AD.prototype.IsLeaf=function(){return this.child1==null};m.b2DynamicTreePair=function(){};AG.b2Manifold=function(){this.m_pointCount=0};AG.prototype.b2Manifold=function(){this.m_points=new Vector(AM.b2_maxManifoldPoints);for(var A=0;A<AM.b2_maxManifoldPoints;A++){this.m_points[A]=new e}this.m_localPlaneNormal=new AQ;this.m_localPoint=new AQ};AG.prototype.Reset=function(){for(var A=0;A<AM.b2_maxManifoldPoints;A++){(this.m_points[A] instanceof e?this.m_points[A]:null).Reset()}this.m_localPlaneNormal.SetZero();this.m_localPoint.SetZero();this.m_pointCount=this.m_type=0};AG.prototype.Set=function(A){this.m_pointCount=A.m_pointCount;for(var B=0;B<AM.b2_maxManifoldPoints;B++){(this.m_points[B] instanceof e?this.m_points[B]:null).Set(A.m_points[B])}this.m_localPlaneNormal.SetV(A.m_localPlaneNormal);this.m_localPoint.SetV(A.m_localPoint);this.m_type=A.m_type};AG.prototype.Copy=function(){var A=new AG;A.Set(this);return A};Box2D.postDefs.push(function(){Box2D.Collision.b2Manifold.e_circles=1;Box2D.Collision.b2Manifold.e_faceA=2;Box2D.Collision.b2Manifold.e_faceB=4});e.b2ManifoldPoint=function(){this.m_localPoint=new AQ;this.m_id=new AA};e.prototype.b2ManifoldPoint=function(){this.Reset()};e.prototype.Reset=function(){this.m_localPoint.SetZero();this.m_tangentImpulse=this.m_normalImpulse=0;this.m_id.key=0};e.prototype.Set=function(A){this.m_localPoint.SetV(A.m_localPoint);this.m_normalImpulse=A.m_normalImpulse;this.m_tangentImpulse=A.m_tangentImpulse;this.m_id.Set(A.m_id)};t.b2Point=function(){this.p=new AQ};t.prototype.Support=function(){return this.p};t.prototype.GetFirstVertex=function(){return this.p};b.b2RayCastInput=function(){this.p1=new AQ;this.p2=new AQ};b.prototype.b2RayCastInput=function(A,D,B){if(A===undefined){A=null}if(D===undefined){D=null}if(B===undefined){B=1}A&&this.p1.SetV(A);D&&this.p2.SetV(D);this.maxFraction=B};AK.b2RayCastOutput=function(){this.normal=new AQ};C.b2Segment=function(){this.p1=new AQ;this.p2=new AQ};C.prototype.TestSegment=function(H,G,F,D){if(D===undefined){D=0}var A=F.p1,N=F.p2.x-A.x,L=F.p2.y-A.y;F=this.p2.y-this.p1.y;var M=-(this.p2.x-this.p1.x),K=100*Number.MIN_VALUE,B=-(N*F+L*M);if(B>K){var I=A.x-this.p1.x,E=A.y-this.p1.y;A=I*F+E*M;if(0<=A&&A<=D*B){D=-N*E+L*I;if(-K*B<=D&&D<=B*(1+K)){A/=B;D=Math.sqrt(F*F+M*M);F/=D;M/=D;H[0]=A;G.Set(F,M);return true}}}return false};C.prototype.Extend=function(A){this.ExtendForward(A);this.ExtendBackward(A)};C.prototype.ExtendForward=function(A){var D=this.p2.x-this.p1.x,B=this.p2.y-this.p1.y;A=Math.min(D>0?(A.upperBound.x-this.p1.x)/D:D<0?(A.lowerBound.x-this.p1.x)/D:Number.POSITIVE_INFINITY,B>0?(A.upperBound.y-this.p1.y)/B:B<0?(A.lowerBound.y-this.p1.y)/B:Number.POSITIVE_INFINITY);this.p2.x=this.p1.x+D*A;this.p2.y=this.p1.y+B*A};C.prototype.ExtendBackward=function(A){var D=-this.p2.x+this.p1.x,B=-this.p2.y+this.p1.y;A=Math.min(D>0?(A.upperBound.x-this.p2.x)/D:D<0?(A.lowerBound.x-this.p2.x)/D:Number.POSITIVE_INFINITY,B>0?(A.upperBound.y-this.p2.y)/B:B<0?(A.lowerBound.y-this.p2.y)/B:Number.POSITIVE_INFINITY);this.p1.x=this.p2.x+D*A;this.p1.y=this.p2.y+B*A};AY.b2SeparationFunction=function(){this.m_localPoint=new AQ;this.m_axis=new AQ};AY.prototype.Initialize=function(H,G,F,D,A){this.m_proxyA=G;this.m_proxyB=D;var N=parseInt(H.count);AM.b2Assert(0<N&&N<3);var L,M,K,B,I=B=K=D=G=0,E=0;I=0;if(N==1){this.m_type=AY.e_points;L=this.m_proxyA.GetVertex(H.indexA[0]);M=this.m_proxyB.GetVertex(H.indexB[0]);N=L;H=F.R;G=F.position.x+(H.col1.x*N.x+H.col2.x*N.y);D=F.position.y+(H.col1.y*N.x+H.col2.y*N.y);N=M;H=A.R;K=A.position.x+(H.col1.x*N.x+H.col2.x*N.y);B=A.position.y+(H.col1.y*N.x+H.col2.y*N.y);this.m_axis.x=K-G;this.m_axis.y=B-D;this.m_axis.Normalize()}else{if(H.indexB[0]==H.indexB[1]){this.m_type=AY.e_faceA;G=this.m_proxyA.GetVertex(H.indexA[0]);D=this.m_proxyA.GetVertex(H.indexA[1]);M=this.m_proxyB.GetVertex(H.indexB[0]);this.m_localPoint.x=0.5*(G.x+D.x);this.m_localPoint.y=0.5*(G.y+D.y);this.m_axis=AN.CrossVF(AN.SubtractVV(D,G),1);this.m_axis.Normalize();N=this.m_axis;H=F.R;I=H.col1.x*N.x+H.col2.x*N.y;E=H.col1.y*N.x+H.col2.y*N.y;N=this.m_localPoint;H=F.R;G=F.position.x+(H.col1.x*N.x+H.col2.x*N.y);D=F.position.y+(H.col1.y*N.x+H.col2.y*N.y);N=M;H=A.R;K=A.position.x+(H.col1.x*N.x+H.col2.x*N.y);B=A.position.y+(H.col1.y*N.x+H.col2.y*N.y);I=(K-G)*I+(B-D)*E}else{if(H.indexA[0]==H.indexA[0]){this.m_type=AY.e_faceB;K=this.m_proxyB.GetVertex(H.indexB[0]);B=this.m_proxyB.GetVertex(H.indexB[1]);L=this.m_proxyA.GetVertex(H.indexA[0]);this.m_localPoint.x=0.5*(K.x+B.x);this.m_localPoint.y=0.5*(K.y+B.y);this.m_axis=AN.CrossVF(AN.SubtractVV(B,K),1);this.m_axis.Normalize();N=this.m_axis;H=A.R;I=H.col1.x*N.x+H.col2.x*N.y;E=H.col1.y*N.x+H.col2.y*N.y;N=this.m_localPoint;H=A.R;K=A.position.x+(H.col1.x*N.x+H.col2.x*N.y);B=A.position.y+(H.col1.y*N.x+H.col2.y*N.y);N=L;H=F.R;G=F.position.x+(H.col1.x*N.x+H.col2.x*N.y);D=F.position.y+(H.col1.y*N.x+H.col2.y*N.y);I=(G-K)*I+(D-B)*E}else{G=this.m_proxyA.GetVertex(H.indexA[0]);D=this.m_proxyA.GetVertex(H.indexA[1]);K=this.m_proxyB.GetVertex(H.indexB[0]);B=this.m_proxyB.GetVertex(H.indexB[1]);AN.MulX(F,L);L=AN.MulMV(F.R,AN.SubtractVV(D,G));AN.MulX(A,M);I=AN.MulMV(A.R,AN.SubtractVV(B,K));A=L.x*L.x+L.y*L.y;M=I.x*I.x+I.y*I.y;H=AN.SubtractVV(I,L);F=L.x*H.x+L.y*H.y;H=I.x*H.x+I.y*H.y;L=L.x*I.x+L.y*I.y;E=A*M-L*L;I=0;if(E!=0){I=AN.Clamp((L*H-F*M)/E,0,1)}if((L*I+H)/M<0){I=AN.Clamp((L-F)/A,0,1)}L=new AQ;L.x=G.x+I*(D.x-G.x);L.y=G.y+I*(D.y-G.y);M=new AQ;M.x=K.x+I*(B.x-K.x);M.y=K.y+I*(B.y-K.y);if(I==0||I==1){this.m_type=AY.e_faceB;this.m_axis=AN.CrossVF(AN.SubtractVV(B,K),1);this.m_axis.Normalize();this.m_localPoint=M}else{this.m_type=AY.e_faceA;this.m_axis=AN.CrossVF(AN.SubtractVV(D,G),1);this.m_localPoint=L}}}I<0&&this.m_axis.NegativeSelf()}};AY.prototype.Evaluate=function(B,F){var E,A,D=0;switch(this.m_type){case AY.e_points:E=AN.MulTMV(B.R,this.m_axis);A=AN.MulTMV(F.R,this.m_axis.GetNegative());E=this.m_proxyA.GetSupportVertex(E);A=this.m_proxyB.GetSupportVertex(A);E=AN.MulX(B,E);A=AN.MulX(F,A);return D=(A.x-E.x)*this.m_axis.x+(A.y-E.y)*this.m_axis.y;case AY.e_faceA:D=AN.MulMV(B.R,this.m_axis);E=AN.MulX(B,this.m_localPoint);A=AN.MulTMV(F.R,D.GetNegative());A=this.m_proxyB.GetSupportVertex(A);A=AN.MulX(F,A);return D=(A.x-E.x)*D.x+(A.y-E.y)*D.y;case AY.e_faceB:D=AN.MulMV(F.R,this.m_axis);A=AN.MulX(F,this.m_localPoint);E=AN.MulTMV(B.R,D.GetNegative());E=this.m_proxyA.GetSupportVertex(E);E=AN.MulX(B,E);return D=(E.x-A.x)*D.x+(E.y-A.y)*D.y;default:AM.b2Assert(false);return 0}};Box2D.postDefs.push(function(){Box2D.Collision.b2SeparationFunction.e_points=1;Box2D.Collision.b2SeparationFunction.e_faceA=2;Box2D.Collision.b2SeparationFunction.e_faceB=4});AW.b2Simplex=function(){this.m_v1=new AV;this.m_v2=new AV;this.m_v3=new AV;this.m_vertices=new Vector(3)};AW.prototype.b2Simplex=function(){this.m_vertices[0]=this.m_v1;this.m_vertices[1]=this.m_v2;this.m_vertices[2]=this.m_v3};AW.prototype.ReadCache=function(G,F,E,D,A){AM.b2Assert(0<=G.count&&G.count<=3);var L,I;this.m_count=G.count;for(var K=this.m_vertices,H=0;H<this.m_count;H++){var B=K[H];B.indexA=G.indexA[H];B.indexB=G.indexB[H];L=F.GetVertex(B.indexA);I=D.GetVertex(B.indexB);B.wA=AN.MulX(E,L);B.wB=AN.MulX(A,I);B.w=AN.SubtractVV(B.wB,B.wA);B.a=0}if(this.m_count>1){G=G.metric;L=this.GetMetric();if(L<0.5*G||2*G<L||L<Number.MIN_VALUE){this.m_count=0}}if(this.m_count==0){B=K[0];B.indexA=0;B.indexB=0;L=F.GetVertex(0);I=D.GetVertex(0);B.wA=AN.MulX(E,L);B.wB=AN.MulX(A,I);B.w=AN.SubtractVV(B.wB,B.wA);this.m_count=1}};AW.prototype.WriteCache=function(A){A.metric=this.GetMetric();A.count=Box2D.parseUInt(this.m_count);for(var D=this.m_vertices,B=0;B<this.m_count;B++){A.indexA[B]=Box2D.parseUInt(D[B].indexA);A.indexB[B]=Box2D.parseUInt(D[B].indexB)}};AW.prototype.GetSearchDirection=function(){switch(this.m_count){case 1:return this.m_v1.w.GetNegative();case 2:var A=AN.SubtractVV(this.m_v2.w,this.m_v1.w);return AN.CrossVV(A,this.m_v1.w.GetNegative())>0?AN.CrossFV(1,A):AN.CrossVF(A,1);default:AM.b2Assert(false);return new AQ}};AW.prototype.GetClosestPoint=function(){switch(this.m_count){case 0:AM.b2Assert(false);return new AQ;case 1:return this.m_v1.w;case 2:return new AQ(this.m_v1.a*this.m_v1.w.x+this.m_v2.a*this.m_v2.w.x,this.m_v1.a*this.m_v1.w.y+this.m_v2.a*this.m_v2.w.y);default:AM.b2Assert(false);return new AQ}};AW.prototype.GetWitnessPoints=function(A,B){switch(this.m_count){case 0:AM.b2Assert(false);break;case 1:A.SetV(this.m_v1.wA);B.SetV(this.m_v1.wB);break;case 2:A.x=this.m_v1.a*this.m_v1.wA.x+this.m_v2.a*this.m_v2.wA.x;A.y=this.m_v1.a*this.m_v1.wA.y+this.m_v2.a*this.m_v2.wA.y;B.x=this.m_v1.a*this.m_v1.wB.x+this.m_v2.a*this.m_v2.wB.x;B.y=this.m_v1.a*this.m_v1.wB.y+this.m_v2.a*this.m_v2.wB.y;break;case 3:B.x=A.x=this.m_v1.a*this.m_v1.wA.x+this.m_v2.a*this.m_v2.wA.x+this.m_v3.a*this.m_v3.wA.x;B.y=A.y=this.m_v1.a*this.m_v1.wA.y+this.m_v2.a*this.m_v2.wA.y+this.m_v3.a*this.m_v3.wA.y;break;default:AM.b2Assert(false)}};AW.prototype.GetMetric=function(){switch(this.m_count){case 0:AM.b2Assert(false);return 0;case 1:return 0;case 2:return AN.SubtractVV(this.m_v1.w,this.m_v2.w).Length();case 3:return AN.CrossVV(AN.SubtractVV(this.m_v2.w,this.m_v1.w),AN.SubtractVV(this.m_v3.w,this.m_v1.w));default:AM.b2Assert(false);return 0}};AW.prototype.Solve2=function(){var A=this.m_v1.w,D=this.m_v2.w,B=AN.SubtractVV(D,A);A=-(A.x*B.x+A.y*B.y);if(A<=0){this.m_count=this.m_v1.a=1}else{D=D.x*B.x+D.y*B.y;if(D<=0){this.m_count=this.m_v2.a=1;this.m_v1.Set(this.m_v2)}else{B=1/(D+A);this.m_v1.a=D*B;this.m_v2.a=A*B;this.m_count=2}}};AW.prototype.Solve3=function(){var G=this.m_v1.w,F=this.m_v2.w,E=this.m_v3.w,D=AN.SubtractVV(F,G),A=AN.Dot(G,D),M=AN.Dot(F,D);A=-A;var K=AN.SubtractVV(E,G),L=AN.Dot(G,K),I=AN.Dot(E,K);L=-L;var B=AN.SubtractVV(E,F),H=AN.Dot(F,B);B=AN.Dot(E,B);H=-H;K=AN.CrossVV(D,K);D=K*AN.CrossVV(F,E);E=K*AN.CrossVV(E,G);G=K*AN.CrossVV(G,F);if(A<=0&&L<=0){this.m_count=this.m_v1.a=1}else{if(M>0&&A>0&&G<=0){I=1/(M+A);this.m_v1.a=M*I;this.m_v2.a=A*I;this.m_count=2}else{if(I>0&&L>0&&E<=0){M=1/(I+L);this.m_v1.a=I*M;this.m_v3.a=L*M;this.m_count=2;this.m_v2.Set(this.m_v3)}else{if(M<=0&&H<=0){this.m_count=this.m_v2.a=1;this.m_v1.Set(this.m_v2)}else{if(I<=0&&B<=0){this.m_count=this.m_v3.a=1;this.m_v1.Set(this.m_v3)}else{if(B>0&&H>0&&D<=0){M=1/(B+H);this.m_v2.a=B*M;this.m_v3.a=H*M;this.m_count=2;this.m_v1.Set(this.m_v3)}else{M=1/(D+E+G);this.m_v1.a=D*M;this.m_v2.a=E*M;this.m_v3.a=G*M;this.m_count=3}}}}}}};AT.b2SimplexCache=function(){this.indexA=new Vector_a2j_Number(3);this.indexB=new Vector_a2j_Number(3)};AV.b2SimplexVertex=function(){};AV.prototype.Set=function(A){this.wA.SetV(A.wA);this.wB.SetV(A.wB);this.w.SetV(A.w);this.a=A.a;this.indexA=A.indexA;this.indexB=A.indexB};AR.b2TimeOfImpact=function(){};AR.TimeOfImpact=function(N){++AR.b2_toiCalls;var L=N.proxyA,K=N.proxyB,E=N.sweepA,A=N.sweepB;AM.b2Assert(E.t0==A.t0);AM.b2Assert(1-E.t0>Number.MIN_VALUE);var U=L.m_radius+K.m_radius;N=N.tolerance;var R=0,S=0,Q=0;AR.s_cache.count=0;for(AR.s_distanceInput.useRadii=false;;){E.GetTransform(AR.s_xfA,R);A.GetTransform(AR.s_xfB,R);AR.s_distanceInput.proxyA=L;AR.s_distanceInput.proxyB=K;AR.s_distanceInput.transformA=AR.s_xfA;AR.s_distanceInput.transformB=AR.s_xfB;P.Distance(AR.s_distanceOutput,AR.s_cache,AR.s_distanceInput);if(AR.s_distanceOutput.distance<=0){R=1;break}AR.s_fcn.Initialize(AR.s_cache,L,AR.s_xfA,K,AR.s_xfB);var B=AR.s_fcn.Evaluate(AR.s_xfA,AR.s_xfB);if(B<=0){R=1;break}if(S==0){Q=B>U?AN.Max(U-N,0.75*U):AN.Max(B-N,0.02*U)}if(B-Q<0.5*N){if(S==0){R=1;break}break}var O=R,G=R,I=1;B=B;E.GetTransform(AR.s_xfA,I);A.GetTransform(AR.s_xfB,I);var D=AR.s_fcn.Evaluate(AR.s_xfA,AR.s_xfB);if(D>=Q){R=1;break}for(var H=0;;){var M=0;M=H&1?G+(Q-B)*(I-G)/(D-B):0.5*(G+I);E.GetTransform(AR.s_xfA,M);A.GetTransform(AR.s_xfB,M);var F=AR.s_fcn.Evaluate(AR.s_xfA,AR.s_xfB);if(AN.Abs(F-Q)<0.025*N){O=M;break}if(F>Q){G=M;B=F}else{I=M;D=F}++H;++AR.b2_toiRootIters;if(H==50){break}}AR.b2_toiMaxRootIters=AN.Max(AR.b2_toiMaxRootIters,H);if(O<(1+100*Number.MIN_VALUE)*R){break}R=O;S++;++AR.b2_toiIters;if(S==1000){break}}AR.b2_toiMaxIters=AN.Max(AR.b2_toiMaxIters,S);return R};Box2D.postDefs.push(function(){Box2D.Collision.b2TimeOfImpact.b2_toiCalls=0;Box2D.Collision.b2TimeOfImpact.b2_toiIters=0;Box2D.Collision.b2TimeOfImpact.b2_toiMaxIters=0;Box2D.Collision.b2TimeOfImpact.b2_toiRootIters=0;Box2D.Collision.b2TimeOfImpact.b2_toiMaxRootIters=0;Box2D.Collision.b2TimeOfImpact.s_cache=new AT;Box2D.Collision.b2TimeOfImpact.s_distanceInput=new J;Box2D.Collision.b2TimeOfImpact.s_xfA=new X;Box2D.Collision.b2TimeOfImpact.s_xfB=new X;Box2D.Collision.b2TimeOfImpact.s_fcn=new AY;Box2D.Collision.b2TimeOfImpact.s_distanceOutput=new AU});AP.b2TOIInput=function(){this.proxyA=new AL;this.proxyB=new AL;this.sweepA=new AJ;this.sweepB=new AJ};AS.b2WorldManifold=function(){this.m_normal=new AQ};AS.prototype.b2WorldManifold=function(){this.m_points=new Vector(AM.b2_maxManifoldPoints);for(var A=0;A<AM.b2_maxManifoldPoints;A++){this.m_points[A]=new AQ}};AS.prototype.Initialize=function(I,H,G,D,A){if(G===undefined){G=0}if(A===undefined){A=0}if(I.m_pointCount!=0){var O=0,M,N,L=0,B=0,K=0,E=0,F=0;M=0;switch(I.m_type){case AG.e_circles:N=H.R;M=I.m_localPoint;O=H.position.x+N.col1.x*M.x+N.col2.x*M.y;H=H.position.y+N.col1.y*M.x+N.col2.y*M.y;N=D.R;M=I.m_points[0].m_localPoint;I=D.position.x+N.col1.x*M.x+N.col2.x*M.y;D=D.position.y+N.col1.y*M.x+N.col2.y*M.y;M=I-O;N=D-H;L=M*M+N*N;if(L>Number.MIN_VALUE*Number.MIN_VALUE){L=Math.sqrt(L);this.m_normal.x=M/L;this.m_normal.y=N/L}else{this.m_normal.x=1;this.m_normal.y=0}M=H+G*this.m_normal.y;D=D-A*this.m_normal.y;this.m_points[0].x=0.5*(O+G*this.m_normal.x+(I-A*this.m_normal.x));this.m_points[0].y=0.5*(M+D);break;case AG.e_faceA:N=H.R;M=I.m_localPlaneNormal;L=N.col1.x*M.x+N.col2.x*M.y;B=N.col1.y*M.x+N.col2.y*M.y;N=H.R;M=I.m_localPoint;K=H.position.x+N.col1.x*M.x+N.col2.x*M.y;E=H.position.y+N.col1.y*M.x+N.col2.y*M.y;this.m_normal.x=L;this.m_normal.y=B;for(O=0;O<I.m_pointCount;O++){N=D.R;M=I.m_points[O].m_localPoint;F=D.position.x+N.col1.x*M.x+N.col2.x*M.y;M=D.position.y+N.col1.y*M.x+N.col2.y*M.y;this.m_points[O].x=F+0.5*(G-(F-K)*L-(M-E)*B-A)*L;this.m_points[O].y=M+0.5*(G-(F-K)*L-(M-E)*B-A)*B}break;case AG.e_faceB:N=D.R;M=I.m_localPlaneNormal;L=N.col1.x*M.x+N.col2.x*M.y;B=N.col1.y*M.x+N.col2.y*M.y;N=D.R;M=I.m_localPoint;K=D.position.x+N.col1.x*M.x+N.col2.x*M.y;E=D.position.y+N.col1.y*M.x+N.col2.y*M.y;this.m_normal.x=-L;this.m_normal.y=-B;for(O=0;O<I.m_pointCount;O++){N=H.R;M=I.m_points[O].m_localPoint;F=H.position.x+N.col1.x*M.x+N.col2.x*M.y;M=H.position.y+N.col1.y*M.x+N.col2.y*M.y;this.m_points[O].x=F+0.5*(A-(F-K)*L-(M-E)*B-G)*L;this.m_points[O].y=M+0.5*(A-(F-K)*L-(M-E)*B-G)*B}}}};Aa.ClipVertex=function(){this.v=new AQ;this.id=new AA};Aa.prototype.Set=function(A){this.v.SetV(A.v);this.id.Set(A.id)};AZ.Features=function(){};Object.defineProperty(AZ.prototype,"referenceEdge",{enumerable:false,configurable:true,get:function(){return this._referenceEdge}});Object.defineProperty(AZ.prototype,"referenceEdge",{enumerable:false,configurable:true,set:function(A){if(A===undefined){A=0}this._referenceEdge=A;this._m_id._key=this._m_id._key&4294967040|this._referenceEdge&255}});Object.defineProperty(AZ.prototype,"incidentEdge",{enumerable:false,configurable:true,get:function(){return this._incidentEdge}});Object.defineProperty(AZ.prototype,"incidentEdge",{enumerable:false,configurable:true,set:function(A){if(A===undefined){A=0}this._incidentEdge=A;this._m_id._key=this._m_id._key&4294902015|this._incidentEdge<<8&65280}});Object.defineProperty(AZ.prototype,"incidentVertex",{enumerable:false,configurable:true,get:function(){return this._incidentVertex}});Object.defineProperty(AZ.prototype,"incidentVertex",{enumerable:false,configurable:true,set:function(A){if(A===undefined){A=0}this._incidentVertex=A;this._m_id._key=this._m_id._key&4278255615|this._incidentVertex<<16&16711680}});Object.defineProperty(AZ.prototype,"flip",{enumerable:false,configurable:true,get:function(){return this._flip}});Object.defineProperty(AZ.prototype,"flip",{enumerable:false,configurable:true,set:function(A){if(A===undefined){A=0}this._flip=A;this._m_id._key=this._m_id._key&16777215|this._flip<<24&4278190080}})})();(function(){var f=Box2D.Common.b2Settings,e=Box2D.Collision.Shapes.b2CircleShape,X=Box2D.Collision.Shapes.b2EdgeChainDef,T=Box2D.Collision.Shapes.b2EdgeShape,b=Box2D.Collision.Shapes.b2MassData,H=Box2D.Collision.Shapes.b2PolygonShape,O=Box2D.Collision.Shapes.b2Shape,E=Box2D.Common.Math.b2Mat22,D=Box2D.Common.Math.b2Math,P=Box2D.Common.Math.b2Transform,N=Box2D.Common.Math.b2Vec2,R=Box2D.Collision.b2Distance,S=Box2D.Collision.b2DistanceInput,Z=Box2D.Collision.b2DistanceOutput,J=Box2D.Collision.b2DistanceProxy,C=Box2D.Collision.b2SimplexCache;Box2D.inherit(e,Box2D.Collision.Shapes.b2Shape);e.prototype.__super=Box2D.Collision.Shapes.b2Shape.prototype;e.b2CircleShape=function(){Box2D.Collision.Shapes.b2Shape.b2Shape.apply(this,arguments);this.m_p=new N};e.prototype.Copy=function(){var A=new e;A.Set(this);return A};e.prototype.Set=function(A){this.__super.Set.call(this,A);if(Box2D.is(A,e)){this.m_p.SetV((A instanceof e?A:null).m_p)}};e.prototype.TestPoint=function(A,G){var B=A.R,F=A.position.x+(B.col1.x*this.m_p.x+B.col2.x*this.m_p.y);B=A.position.y+(B.col1.y*this.m_p.x+B.col2.y*this.m_p.y);F=G.x-F;B=G.y-B;return F*F+B*B<=this.m_radius*this.m_radius};e.prototype.RayCast=function(B,K,M){var A=M.R,L=K.p1.x-(M.position.x+(A.col1.x*this.m_p.x+A.col2.x*this.m_p.y));M=K.p1.y-(M.position.y+(A.col1.y*this.m_p.x+A.col2.y*this.m_p.y));A=K.p2.x-K.p1.x;var G=K.p2.y-K.p1.y,Q=L*A+M*G,F=A*A+G*G,I=Q*Q-F*(L*L+M*M-this.m_radius*this.m_radius);if(I<0||F<Number.MIN_VALUE){return false}Q=-(Q+Math.sqrt(I));if(0<=Q&&Q<=K.maxFraction*F){Q/=F;B.fraction=Q;B.normal.x=L+Q*A;B.normal.y=M+Q*G;B.normal.Normalize();return true}return false};e.prototype.ComputeAABB=function(A,G){var B=G.R,F=G.position.x+(B.col1.x*this.m_p.x+B.col2.x*this.m_p.y);B=G.position.y+(B.col1.y*this.m_p.x+B.col2.y*this.m_p.y);A.lowerBound.Set(F-this.m_radius,B-this.m_radius);A.upperBound.Set(F+this.m_radius,B+this.m_radius)};e.prototype.ComputeMass=function(A,B){if(B===undefined){B=0}A.mass=B*f.b2_pi*this.m_radius*this.m_radius;A.center.SetV(this.m_p);A.I=A.mass*(0.5*this.m_radius*this.m_radius+(this.m_p.x*this.m_p.x+this.m_p.y*this.m_p.y))};e.prototype.ComputeSubmergedArea=function(A,K,B,I){if(K===undefined){K=0}B=D.MulX(B,this.m_p);var F=-(D.Dot(A,B)-K);if(F<-this.m_radius+Number.MIN_VALUE){return 0}if(F>this.m_radius){I.SetV(B);return Math.PI*this.m_radius*this.m_radius}K=this.m_radius*this.m_radius;var G=F*F;F=K*(Math.asin(F/this.m_radius)+Math.PI/2)+F*Math.sqrt(K-G);K=-2/3*Math.pow(K-G,1.5)/F;I.x=B.x+A.x*K;I.y=B.y+A.y*K;return F};e.prototype.GetLocalPosition=function(){return this.m_p};e.prototype.SetLocalPosition=function(A){this.m_p.SetV(A)};e.prototype.GetRadius=function(){return this.m_radius};e.prototype.SetRadius=function(A){if(A===undefined){A=0}this.m_radius=A};e.prototype.b2CircleShape=function(A){if(A===undefined){A=0}this.__super.b2Shape.call(this);this.m_type=O.e_circleShape;this.m_radius=A};X.b2EdgeChainDef=function(){};X.prototype.b2EdgeChainDef=function(){this.vertexCount=0;this.isALoop=true;this.vertices=[]};Box2D.inherit(T,Box2D.Collision.Shapes.b2Shape);T.prototype.__super=Box2D.Collision.Shapes.b2Shape.prototype;T.b2EdgeShape=function(){Box2D.Collision.Shapes.b2Shape.b2Shape.apply(this,arguments);this.s_supportVec=new N;this.m_v1=new N;this.m_v2=new N;this.m_coreV1=new N;this.m_coreV2=new N;this.m_normal=new N;this.m_direction=new N;this.m_cornerDir1=new N;this.m_cornerDir2=new N};T.prototype.TestPoint=function(){return false};T.prototype.RayCast=function(F,M,U){var B,Q=M.p2.x-M.p1.x,K=M.p2.y-M.p1.y;B=U.R;var V=U.position.x+(B.col1.x*this.m_v1.x+B.col2.x*this.m_v1.y),I=U.position.y+(B.col1.y*this.m_v1.x+B.col2.y*this.m_v1.y),L=U.position.y+(B.col1.y*this.m_v2.x+B.col2.y*this.m_v2.y)-I;U=-(U.position.x+(B.col1.x*this.m_v2.x+B.col2.x*this.m_v2.y)-V);B=100*Number.MIN_VALUE;var G=-(Q*L+K*U);if(G>B){V=M.p1.x-V;var A=M.p1.y-I;I=V*L+A*U;if(0<=I&&I<=M.maxFraction*G){M=-Q*A+K*V;if(-B*G<=M&&M<=G*(1+B)){I/=G;F.fraction=I;M=Math.sqrt(L*L+U*U);F.normal.x=L/M;F.normal.y=U/M;return true}}}return false};T.prototype.ComputeAABB=function(A,K){var B=K.R,I=K.position.x+(B.col1.x*this.m_v1.x+B.col2.x*this.m_v1.y),F=K.position.y+(B.col1.y*this.m_v1.x+B.col2.y*this.m_v1.y),G=K.position.x+(B.col1.x*this.m_v2.x+B.col2.x*this.m_v2.y);B=K.position.y+(B.col1.y*this.m_v2.x+B.col2.y*this.m_v2.y);if(I<G){A.lowerBound.x=I;A.upperBound.x=G}else{A.lowerBound.x=G;A.upperBound.x=I}if(F<B){A.lowerBound.y=F;A.upperBound.y=B}else{A.lowerBound.y=B;A.upperBound.y=F}};T.prototype.ComputeMass=function(A){A.mass=0;A.center.SetV(this.m_v1);A.I=0};T.prototype.ComputeSubmergedArea=function(A,L,B,K){if(L===undefined){L=0}var F=new N(A.x*L,A.y*L),I=D.MulX(B,this.m_v1);B=D.MulX(B,this.m_v2);var G=D.Dot(A,I)-L;A=D.Dot(A,B)-L;if(G>0){if(A>0){return 0}else{I.x=-A/(G-A)*I.x+G/(G-A)*B.x;I.y=-A/(G-A)*I.y+G/(G-A)*B.y}}else{if(A>0){B.x=-A/(G-A)*I.x+G/(G-A)*B.x;B.y=-A/(G-A)*I.y+G/(G-A)*B.y}}K.x=(F.x+I.x+B.x)/3;K.y=(F.y+I.y+B.y)/3;return 0.5*((I.x-F.x)*(B.y-F.y)-(I.y-F.y)*(B.x-F.x))};T.prototype.GetLength=function(){return this.m_length};T.prototype.GetVertex1=function(){return this.m_v1};T.prototype.GetVertex2=function(){return this.m_v2};T.prototype.GetCoreVertex1=function(){return this.m_coreV1};T.prototype.GetCoreVertex2=function(){return this.m_coreV2};T.prototype.GetNormalVector=function(){return this.m_normal};T.prototype.GetDirectionVector=function(){return this.m_direction};T.prototype.GetCorner1Vector=function(){return this.m_cornerDir1};T.prototype.GetCorner2Vector=function(){return this.m_cornerDir2};T.prototype.Corner1IsConvex=function(){return this.m_cornerConvex1};T.prototype.Corner2IsConvex=function(){return this.m_cornerConvex2};T.prototype.GetFirstVertex=function(A){var B=A.R;return new N(A.position.x+(B.col1.x*this.m_coreV1.x+B.col2.x*this.m_coreV1.y),A.position.y+(B.col1.y*this.m_coreV1.x+B.col2.y*this.m_coreV1.y))};T.prototype.GetNextEdge=function(){return this.m_nextEdge};T.prototype.GetPrevEdge=function(){return this.m_prevEdge};T.prototype.Support=function(A,L,B){if(L===undefined){L=0}if(B===undefined){B=0}var K=A.R,F=A.position.x+(K.col1.x*this.m_coreV1.x+K.col2.x*this.m_coreV1.y),I=A.position.y+(K.col1.y*this.m_coreV1.x+K.col2.y*this.m_coreV1.y),G=A.position.x+(K.col1.x*this.m_coreV2.x+K.col2.x*this.m_coreV2.y);A=A.position.y+(K.col1.y*this.m_coreV2.x+K.col2.y*this.m_coreV2.y);if(F*L+I*B>G*L+A*B){this.s_supportVec.x=F;this.s_supportVec.y=I}else{this.s_supportVec.x=G;this.s_supportVec.y=A}return this.s_supportVec};T.prototype.b2EdgeShape=function(A,B){this.__super.b2Shape.call(this);this.m_type=O.e_edgeShape;this.m_nextEdge=this.m_prevEdge=null;this.m_v1=A;this.m_v2=B;this.m_direction.Set(this.m_v2.x-this.m_v1.x,this.m_v2.y-this.m_v1.y);this.m_length=this.m_direction.Normalize();this.m_normal.Set(this.m_direction.y,-this.m_direction.x);this.m_coreV1.Set(-f.b2_toiSlop*(this.m_normal.x-this.m_direction.x)+this.m_v1.x,-f.b2_toiSlop*(this.m_normal.y-this.m_direction.y)+this.m_v1.y);this.m_coreV2.Set(-f.b2_toiSlop*(this.m_normal.x+this.m_direction.x)+this.m_v2.x,-f.b2_toiSlop*(this.m_normal.y+this.m_direction.y)+this.m_v2.y);this.m_cornerDir1=this.m_normal;this.m_cornerDir2.Set(-this.m_normal.x,-this.m_normal.y)};T.prototype.SetPrevEdge=function(A,G,B,F){this.m_prevEdge=A;this.m_coreV1=G;this.m_cornerDir1=B;this.m_cornerConvex1=F};T.prototype.SetNextEdge=function(A,G,B,F){this.m_nextEdge=A;this.m_coreV2=G;this.m_cornerDir2=B;this.m_cornerConvex2=F};b.b2MassData=function(){this.mass=0;this.center=new N(0,0);this.I=0};Box2D.inherit(H,Box2D.Collision.Shapes.b2Shape);H.prototype.__super=Box2D.Collision.Shapes.b2Shape.prototype;H.b2PolygonShape=function(){Box2D.Collision.Shapes.b2Shape.b2Shape.apply(this,arguments)};H.prototype.Copy=function(){var A=new H;A.Set(this);return A};H.prototype.Set=function(A){this.__super.Set.call(this,A);if(Box2D.is(A,H)){A=A instanceof H?A:null;this.m_centroid.SetV(A.m_centroid);this.m_vertexCount=A.m_vertexCount;this.Reserve(this.m_vertexCount);for(var B=0;B<this.m_vertexCount;B++){this.m_vertices[B].SetV(A.m_vertices[B]);this.m_normals[B].SetV(A.m_normals[B])}}};H.prototype.SetAsArray=function(A,I){if(I===undefined){I=0}var B=new Vector,G=0,F;for(G=0;G<A.length;++G){F=A[G];B.push(F)}this.SetAsVector(B,I)};H.AsArray=function(A,F){if(F===undefined){F=0}var B=new H;B.SetAsArray(A,F);return B};H.prototype.SetAsVector=function(A,I){if(I===undefined){I=0}if(I==0){I=A.length}f.b2Assert(2<=I);this.m_vertexCount=I;this.Reserve(I);var B=0;for(B=0;B<this.m_vertexCount;B++){this.m_vertices[B].SetV(A[B])}for(B=0;B<this.m_vertexCount;++B){var G=parseInt(B),F=parseInt(B+1<this.m_vertexCount?B+1:0);G=D.SubtractVV(this.m_vertices[F],this.m_vertices[G]);f.b2Assert(G.LengthSquared()>Number.MIN_VALUE);this.m_normals[B].SetV(D.CrossVF(G,1));this.m_normals[B].Normalize()}this.m_centroid=H.ComputeCentroid(this.m_vertices,this.m_vertexCount)};H.AsVector=function(A,F){if(F===undefined){F=0}var B=new H;B.SetAsVector(A,F);return B};H.prototype.SetAsBox=function(A,B){if(A===undefined){A=0}if(B===undefined){B=0}this.m_vertexCount=4;this.Reserve(4);this.m_vertices[0].Set(-A,-B);this.m_vertices[1].Set(A,-B);this.m_vertices[2].Set(A,B);this.m_vertices[3].Set(-A,B);this.m_normals[0].Set(0,-1);this.m_normals[1].Set(1,0);this.m_normals[2].Set(0,1);this.m_normals[3].Set(-1,0);this.m_centroid.SetZero()};H.AsBox=function(A,F){if(A===undefined){A=0}if(F===undefined){F=0}var B=new H;B.SetAsBox(A,F);return B};H.prototype.SetAsOrientedBox=function(A,G,B,F){if(A===undefined){A=0}if(G===undefined){G=0}if(B===undefined){B=null}if(F===undefined){F=0}this.m_vertexCount=4;this.Reserve(4);this.m_vertices[0].Set(-A,-G);this.m_vertices[1].Set(A,-G);this.m_vertices[2].Set(A,G);this.m_vertices[3].Set(-A,G);this.m_normals[0].Set(0,-1);this.m_normals[1].Set(1,0);this.m_normals[2].Set(0,1);this.m_normals[3].Set(-1,0);this.m_centroid=B;A=new P;A.position=B;A.R.Set(F);for(B=0;B<this.m_vertexCount;++B){this.m_vertices[B]=D.MulX(A,this.m_vertices[B]);this.m_normals[B]=D.MulMV(A.R,this.m_normals[B])}};H.AsOrientedBox=function(A,I,B,G){if(A===undefined){A=0}if(I===undefined){I=0}if(B===undefined){B=null}if(G===undefined){G=0}var F=new H;F.SetAsOrientedBox(A,I,B,G);return F};H.prototype.SetAsEdge=function(A,B){this.m_vertexCount=2;this.Reserve(2);this.m_vertices[0].SetV(A);this.m_vertices[1].SetV(B);this.m_centroid.x=0.5*(A.x+B.x);this.m_centroid.y=0.5*(A.y+B.y);this.m_normals[0]=D.CrossVF(D.SubtractVV(B,A),1);this.m_normals[0].Normalize();this.m_normals[1].x=-this.m_normals[0].x;this.m_normals[1].y=-this.m_normals[0].y};H.AsEdge=function(A,F){var B=new H;B.SetAsEdge(A,F);return B};H.prototype.TestPoint=function(A,M){var B;B=A.R;for(var L=M.x-A.position.x,F=M.y-A.position.y,K=L*B.col1.x+F*B.col1.y,I=L*B.col2.x+F*B.col2.y,G=0;G<this.m_vertexCount;++G){B=this.m_vertices[G];L=K-B.x;F=I-B.y;B=this.m_normals[G];if(B.x*L+B.y*F>0){return false}}return true};H.prototype.RayCast=function(G,U,W){var B=0,V=U.maxFraction,L=0,Y=0,K,M;L=U.p1.x-W.position.x;Y=U.p1.y-W.position.y;K=W.R;var I=L*K.col1.x+Y*K.col1.y,A=L*K.col2.x+Y*K.col2.y;L=U.p2.x-W.position.x;Y=U.p2.y-W.position.y;K=W.R;U=L*K.col1.x+Y*K.col1.y-I;K=L*K.col2.x+Y*K.col2.y-A;for(var F=parseInt(-1),Q=0;Q<this.m_vertexCount;++Q){M=this.m_vertices[Q];L=M.x-I;Y=M.y-A;M=this.m_normals[Q];L=M.x*L+M.y*Y;Y=M.x*U+M.y*K;if(Y==0){if(L<0){return false}}else{if(Y<0&&L<B*Y){B=L/Y;F=Q}else{if(Y>0&&L<V*Y){V=L/Y}}}if(V<B-Number.MIN_VALUE){return false}}if(F>=0){G.fraction=B;K=W.R;M=this.m_normals[F];G.normal.x=K.col1.x*M.x+K.col2.x*M.y;G.normal.y=K.col1.y*M.x+K.col2.y*M.y;return true}return false};H.prototype.ComputeAABB=function(B,L){for(var Q=L.R,A=this.m_vertices[0],M=L.position.x+(Q.col1.x*A.x+Q.col2.x*A.y),I=L.position.y+(Q.col1.y*A.x+Q.col2.y*A.y),U=M,G=I,K=1;K<this.m_vertexCount;++K){A=this.m_vertices[K];var F=L.position.x+(Q.col1.x*A.x+Q.col2.x*A.y);A=L.position.y+(Q.col1.y*A.x+Q.col2.y*A.y);M=M<F?M:F;I=I<A?I:A;U=U>F?U:F;G=G>A?G:A}B.lowerBound.x=M-this.m_radius;B.lowerBound.y=I-this.m_radius;B.upperBound.x=U+this.m_radius;B.upperBound.y=G+this.m_radius};H.prototype.ComputeMass=function(I,Y){if(Y===undefined){Y=0}if(this.m_vertexCount==2){I.center.x=0.5*(this.m_vertices[0].x+this.m_vertices[1].x);I.center.y=0.5*(this.m_vertices[0].y+this.m_vertices[1].y);I.mass=0;I.I=0}else{for(var m=0,B=0,g=0,U=0,n=1/3,M=0;M<this.m_vertexCount;++M){var V=this.m_vertices[M],L=M+1<this.m_vertexCount?this.m_vertices[parseInt(M+1)]:this.m_vertices[0],A=V.x-0,F=V.y-0,W=L.x-0,Q=L.y-0,G=A*Q-F*W,K=0.5*G;g+=K;m+=K*n*(0+V.x+L.x);B+=K*n*(0+V.y+L.y);V=A;F=F;W=W;Q=Q;U+=G*(n*(0.25*(V*V+W*V+W*W)+(0*V+0*W))+0+(n*(0.25*(F*F+Q*F+Q*Q)+(0*F+0*Q))+0))}I.mass=Y*g;m*=1/g;B*=1/g;I.center.Set(m,B);I.I=Y*U}};H.prototype.ComputeSubmergedArea=function(F,M,U,B){if(M===undefined){M=0}var Q=D.MulTMV(U.R,F),K=M-D.Dot(F,U.position),V=new Vector_a2j_Number,I=0,L=parseInt(-1);M=parseInt(-1);var G=false;for(F=F=0;F<this.m_vertexCount;++F){V[F]=D.Dot(Q,this.m_vertices[F])-K;var A=V[F]<-Number.MIN_VALUE;if(F>0){if(A){if(!G){L=F-1;I++}}else{if(G){M=F-1;I++}}}G=A}switch(I){case 0:if(G){F=new b;this.ComputeMass(F,1);B.SetV(D.MulX(U,F.center));return F.mass}else{return 0}case 1:if(L==-1){L=this.m_vertexCount-1}else{M=this.m_vertexCount-1}}F=parseInt((L+1)%this.m_vertexCount);Q=parseInt((M+1)%this.m_vertexCount);K=(0-V[L])/(V[F]-V[L]);V=(0-V[M])/(V[Q]-V[M]);L=new N(this.m_vertices[L].x*(1-K)+this.m_vertices[F].x*K,this.m_vertices[L].y*(1-K)+this.m_vertices[F].y*K);M=new N(this.m_vertices[M].x*(1-V)+this.m_vertices[Q].x*V,this.m_vertices[M].y*(1-V)+this.m_vertices[Q].y*V);V=0;K=new N;I=this.m_vertices[F];for(F=F;F!=Q;){F=(F+1)%this.m_vertexCount;G=F==Q?M:this.m_vertices[F];A=0.5*((I.x-L.x)*(G.y-L.y)-(I.y-L.y)*(G.x-L.x));V+=A;K.x+=A*(L.x+I.x+G.x)/3;K.y+=A*(L.y+I.y+G.y)/3;I=G}K.Multiply(1/V);B.SetV(D.MulX(U,K));return V};H.prototype.GetVertexCount=function(){return this.m_vertexCount};H.prototype.GetVertices=function(){return this.m_vertices};H.prototype.GetNormals=function(){return this.m_normals};H.prototype.GetSupport=function(A){for(var I=0,B=this.m_vertices[0].x*A.x+this.m_vertices[0].y*A.y,G=1;G<this.m_vertexCount;++G){var F=this.m_vertices[G].x*A.x+this.m_vertices[G].y*A.y;if(F>B){I=G;B=F}}return I};H.prototype.GetSupportVertex=function(A){for(var I=0,B=this.m_vertices[0].x*A.x+this.m_vertices[0].y*A.y,G=1;G<this.m_vertexCount;++G){var F=this.m_vertices[G].x*A.x+this.m_vertices[G].y*A.y;if(F>B){I=G;B=F}}return this.m_vertices[I]};H.prototype.Validate=function(){return false};H.prototype.b2PolygonShape=function(){this.__super.b2Shape.call(this);this.m_type=O.e_polygonShape;this.m_centroid=new N;this.m_vertices=new Vector;this.m_normals=new Vector};H.prototype.Reserve=function(A){if(A===undefined){A=0}for(var B=parseInt(this.m_vertices.length);B<A;B++){this.m_vertices[B]=new N;this.m_normals[B]=new N}};H.ComputeCentroid=function(B,K){if(K===undefined){K=0}for(var M=new N,A=0,L=1/3,G=0;G<K;++G){var Q=B[G],F=G+1<K?B[parseInt(G+1)]:B[0],I=0.5*((Q.x-0)*(F.y-0)-(Q.y-0)*(F.x-0));A+=I;M.x+=I*L*(0+Q.x+F.x);M.y+=I*L*(0+Q.y+F.y)}M.x*=1/A;M.y*=1/A;return M};H.ComputeOBB=function(g,K,M){if(M===undefined){M=0}var U=0,L=new Vector(M+1);for(U=0;U<M;++U){L[U]=K[U]}L[M]=L[0];K=Number.MAX_VALUE;for(U=1;U<=M;++U){var G=L[parseInt(U-1)],Q=L[U].x-G.x,F=L[U].y-G.y,I=Math.sqrt(Q*Q+F*F);Q/=I;F/=I;for(var B=-F,t=Q,A=I=Number.MAX_VALUE,p=-Number.MAX_VALUE,n=-Number.MAX_VALUE,Y=0;Y<M;++Y){var m=L[Y].x-G.x,W=L[Y].y-G.y,V=Q*m+F*W;m=B*m+t*W;if(V<I){I=V}if(m<A){A=m}if(V>p){p=V}if(m>n){n=m}}Y=(p-I)*(n-A);if(Y<0.95*K){K=Y;g.R.col1.x=Q;g.R.col1.y=F;g.R.col2.x=B;g.R.col2.y=t;Q=0.5*(I+p);F=0.5*(A+n);B=g.R;g.center.x=G.x+(B.col1.x*Q+B.col2.x*F);g.center.y=G.y+(B.col1.y*Q+B.col2.y*F);g.extents.x=0.5*(p-I);g.extents.y=0.5*(n-A)}}};Box2D.postDefs.push(function(){Box2D.Collision.Shapes.b2PolygonShape.s_mat=new E});O.b2Shape=function(){};O.prototype.Copy=function(){return null};O.prototype.Set=function(A){this.m_radius=A.m_radius};O.prototype.GetType=function(){return this.m_type};O.prototype.TestPoint=function(){return false};O.prototype.RayCast=function(){return false};O.prototype.ComputeAABB=function(){};O.prototype.ComputeMass=function(){};O.prototype.ComputeSubmergedArea=function(){return 0};O.TestOverlap=function(A,I,B,G){var F=new S;F.proxyA=new J;F.proxyA.Set(A);F.proxyB=new J;F.proxyB.Set(B);F.transformA=I;F.transformB=G;F.useRadii=true;A=new C;A.count=0;I=new Z;R.Distance(I,A,F);return I.distance<10*Number.MIN_VALUE};O.prototype.b2Shape=function(){this.m_type=O.e_unknownShape;this.m_radius=f.b2_linearSlop};Box2D.postDefs.push(function(){Box2D.Collision.Shapes.b2Shape.e_unknownShape=parseInt(-1);Box2D.Collision.Shapes.b2Shape.e_circleShape=0;Box2D.Collision.Shapes.b2Shape.e_polygonShape=1;Box2D.Collision.Shapes.b2Shape.e_edgeShape=2;Box2D.Collision.Shapes.b2Shape.e_shapeTypeCount=3;Box2D.Collision.Shapes.b2Shape.e_hitCollide=1;Box2D.Collision.Shapes.b2Shape.e_missCollide=0;Box2D.Collision.Shapes.b2Shape.e_startsInsideCollide=parseInt(-1)})})();(function(){var C=Box2D.Common.b2Color,B=Box2D.Common.b2Settings,A=Box2D.Common.Math.b2Math;C.b2Color=function(){this._b=this._g=this._r=0};C.prototype.b2Color=function(F,E,D){if(F===undefined){F=0}if(E===undefined){E=0}if(D===undefined){D=0}this._r=Box2D.parseUInt(255*A.Clamp(F,0,1));this._g=Box2D.parseUInt(255*A.Clamp(E,0,1));this._b=Box2D.parseUInt(255*A.Clamp(D,0,1))};C.prototype.Set=function(F,E,D){if(F===undefined){F=0}if(E===undefined){E=0}if(D===undefined){D=0}this._r=Box2D.parseUInt(255*A.Clamp(F,0,1));this._g=Box2D.parseUInt(255*A.Clamp(E,0,1));this._b=Box2D.parseUInt(255*A.Clamp(D,0,1))};Object.defineProperty(C.prototype,"r",{enumerable:false,configurable:true,set:function(D){if(D===undefined){D=0}this._r=Box2D.parseUInt(255*A.Clamp(D,0,1))}});Object.defineProperty(C.prototype,"g",{enumerable:false,configurable:true,set:function(D){if(D===undefined){D=0}this._g=Box2D.parseUInt(255*A.Clamp(D,0,1))}});Object.defineProperty(C.prototype,"b",{enumerable:false,configurable:true,set:function(D){if(D===undefined){D=0}this._b=Box2D.parseUInt(255*A.Clamp(D,0,1))}});Object.defineProperty(C.prototype,"color",{enumerable:false,configurable:true,get:function(){return this._r<<16|this._g<<8|this._b}});B.b2Settings=function(){};B.b2MixFriction=function(E,D){if(E===undefined){E=0}if(D===undefined){D=0}return Math.sqrt(E*D)};B.b2MixRestitution=function(E,D){if(E===undefined){E=0}if(D===undefined){D=0}return E>D?E:D};B.b2Assert=function(D){if(!D){throw"Assertion Failed"}};Box2D.postDefs.push(function(){Box2D.Common.b2Settings.VERSION="2.1alpha";Box2D.Common.b2Settings.USHRT_MAX=65535;Box2D.Common.b2Settings.b2_pi=Math.PI;Box2D.Common.b2Settings.b2_maxManifoldPoints=2;Box2D.Common.b2Settings.b2_aabbExtension=0.1;Box2D.Common.b2Settings.b2_aabbMultiplier=2;Box2D.Common.b2Settings.b2_polygonRadius=2*B.b2_linearSlop;Box2D.Common.b2Settings.b2_linearSlop=0.005;Box2D.Common.b2Settings.b2_angularSlop=2/180*B.b2_pi;Box2D.Common.b2Settings.b2_toiSlop=8*B.b2_linearSlop;Box2D.Common.b2Settings.b2_maxTOIContactsPerIsland=32;Box2D.Common.b2Settings.b2_maxTOIJointsPerIsland=32;Box2D.Common.b2Settings.b2_velocityThreshold=1;Box2D.Common.b2Settings.b2_maxLinearCorrection=0.2;Box2D.Common.b2Settings.b2_maxAngularCorrection=8/180*B.b2_pi;Box2D.Common.b2Settings.b2_maxTranslation=2;Box2D.Common.b2Settings.b2_maxTranslationSquared=B.b2_maxTranslation*B.b2_maxTranslation;Box2D.Common.b2Settings.b2_maxRotation=0.5*B.b2_pi;Box2D.Common.b2Settings.b2_maxRotationSquared=B.b2_maxRotation*B.b2_maxRotation;Box2D.Common.b2Settings.b2_contactBaumgarte=0.2;Box2D.Common.b2Settings.b2_timeToSleep=0.5;Box2D.Common.b2Settings.b2_linearSleepTolerance=0.01;Box2D.Common.b2Settings.b2_angularSleepTolerance=2/180*B.b2_pi})})();(function(){var I=Box2D.Common.Math.b2Mat22,H=Box2D.Common.Math.b2Mat33,D=Box2D.Common.Math.b2Math,J=Box2D.Common.Math.b2Sweep,C=Box2D.Common.Math.b2Transform,B=Box2D.Common.Math.b2Vec2,E=Box2D.Common.Math.b2Vec3;I.b2Mat22=function(){this.col1=new B;this.col2=new B};I.prototype.b2Mat22=function(){this.SetIdentity()};I.FromAngle=function(A){if(A===undefined){A=0}var F=new I;F.Set(A);return F};I.FromVV=function(F,G){var A=new I;A.SetVV(F,G);return A};I.prototype.Set=function(A){if(A===undefined){A=0}var F=Math.cos(A);A=Math.sin(A);this.col1.x=F;this.col2.x=-A;this.col1.y=A;this.col2.y=F};I.prototype.SetVV=function(A,F){this.col1.SetV(A);this.col2.SetV(F)};I.prototype.Copy=function(){var A=new I;A.SetM(this);return A};I.prototype.SetM=function(A){this.col1.SetV(A.col1);this.col2.SetV(A.col2)};I.prototype.AddM=function(A){this.col1.x+=A.col1.x;this.col1.y+=A.col1.y;this.col2.x+=A.col2.x;this.col2.y+=A.col2.y};I.prototype.SetIdentity=function(){this.col1.x=1;this.col2.x=0;this.col1.y=0;this.col2.y=1};I.prototype.SetZero=function(){this.col1.x=0;this.col2.x=0;this.col1.y=0;this.col2.y=0};I.prototype.GetAngle=function(){return Math.atan2(this.col1.y,this.col1.x)};I.prototype.GetInverse=function(K){var O=this.col1.x,G=this.col2.x,F=this.col1.y,N=this.col2.y,A=O*N-G*F;if(A!=0){A=1/A}K.col1.x=A*N;K.col2.x=-A*G;K.col1.y=-A*F;K.col2.y=A*O;return K};I.prototype.Solve=function(O,R,N){if(R===undefined){R=0}if(N===undefined){N=0}var G=this.col1.x,P=this.col2.x,F=this.col1.y,K=this.col2.y,A=G*K-P*F;if(A!=0){A=1/A}O.x=A*(K*R-P*N);O.y=A*(G*N-F*R);return O};I.prototype.Abs=function(){this.col1.Abs();this.col2.Abs()};H.b2Mat33=function(){this.col1=new E;this.col2=new E;this.col3=new E};H.prototype.b2Mat33=function(F,G,A){if(F===undefined){F=null}if(G===undefined){G=null}if(A===undefined){A=null}if(!F&&!G&&!A){this.col1.SetZero();this.col2.SetZero();this.col3.SetZero()}else{this.col1.SetV(F);this.col2.SetV(G);this.col3.SetV(A)}};H.prototype.SetVVV=function(F,G,A){this.col1.SetV(F);this.col2.SetV(G);this.col3.SetV(A)};H.prototype.Copy=function(){return new H(this.col1,this.col2,this.col3)};H.prototype.SetM=function(A){this.col1.SetV(A.col1);this.col2.SetV(A.col2);this.col3.SetV(A.col3)};H.prototype.AddM=function(A){this.col1.x+=A.col1.x;this.col1.y+=A.col1.y;this.col1.z+=A.col1.z;this.col2.x+=A.col2.x;this.col2.y+=A.col2.y;this.col2.z+=A.col2.z;this.col3.x+=A.col3.x;this.col3.y+=A.col3.y;this.col3.z+=A.col3.z};H.prototype.SetIdentity=function(){this.col1.x=1;this.col2.x=0;this.col3.x=0;this.col1.y=0;this.col2.y=1;this.col3.y=0;this.col1.z=0;this.col2.z=0;this.col3.z=1};H.prototype.SetZero=function(){this.col1.x=0;this.col2.x=0;this.col3.x=0;this.col1.y=0;this.col2.y=0;this.col3.y=0;this.col1.z=0;this.col2.z=0;this.col3.z=0};H.prototype.Solve22=function(O,R,N){if(R===undefined){R=0}if(N===undefined){N=0}var G=this.col1.x,P=this.col2.x,F=this.col1.y,K=this.col2.y,A=G*K-P*F;if(A!=0){A=1/A}O.x=A*(K*R-P*N);O.y=A*(G*N-F*R);return O};H.prototype.Solve33=function(K,G,R,O){if(G===undefined){G=0}if(R===undefined){R=0}if(O===undefined){O=0}var S=this.col1.x,U=this.col1.y,X=this.col1.z,N=this.col2.x,F=this.col2.y,P=this.col2.z,T=this.col3.x,b=this.col3.y,A=this.col3.z,Z=S*(F*A-P*b)+U*(P*T-N*A)+X*(N*b-F*T);if(Z!=0){Z=1/Z}K.x=Z*(G*(F*A-P*b)+R*(P*T-N*A)+O*(N*b-F*T));K.y=Z*(S*(R*A-O*b)+U*(O*T-G*A)+X*(G*b-R*T));K.z=Z*(S*(F*O-P*R)+U*(P*G-N*O)+X*(N*R-F*G));return K};D.b2Math=function(){};D.IsValid=function(A){if(A===undefined){A=0}return isFinite(A)};D.Dot=function(A,F){return A.x*F.x+A.y*F.y};D.CrossVV=function(A,F){return A.x*F.y-A.y*F.x};D.CrossVF=function(A,F){if(F===undefined){F=0}return new B(F*A.y,-F*A.x)};D.CrossFV=function(A,F){if(A===undefined){A=0}return new B(-A*F.y,A*F.x)};D.MulMV=function(A,F){return new B(A.col1.x*F.x+A.col2.x*F.y,A.col1.y*F.x+A.col2.y*F.y)};D.MulTMV=function(A,F){return new B(D.Dot(F,A.col1),D.Dot(F,A.col2))};D.MulX=function(F,G){var A=D.MulMV(F.R,G);A.x+=F.position.x;A.y+=F.position.y;return A};D.MulXT=function(G,K){var F=D.SubtractVV(K,G.position),A=F.x*G.R.col1.x+F.y*G.R.col1.y;F.y=F.x*G.R.col2.x+F.y*G.R.col2.y;F.x=A;return F};D.AddVV=function(A,F){return new B(A.x+F.x,A.y+F.y)};D.SubtractVV=function(A,F){return new B(A.x-F.x,A.y-F.y)};D.Distance=function(G,K){var F=G.x-K.x,A=G.y-K.y;return Math.sqrt(F*F+A*A)};D.DistanceSquared=function(G,K){var F=G.x-K.x,A=G.y-K.y;return F*F+A*A};D.MulFV=function(A,F){if(A===undefined){A=0}return new B(A*F.x,A*F.y)};D.AddMM=function(A,F){return I.FromVV(D.AddVV(A.col1,F.col1),D.AddVV(A.col2,F.col2))};D.MulMM=function(A,F){return I.FromVV(D.MulMV(A,F.col1),D.MulMV(A,F.col2))};D.MulTMM=function(G,K){var F=new B(D.Dot(G.col1,K.col1),D.Dot(G.col2,K.col1)),A=new B(D.Dot(G.col1,K.col2),D.Dot(G.col2,K.col2));return I.FromVV(F,A)};D.Abs=function(A){if(A===undefined){A=0}return A>0?A:-A};D.AbsV=function(A){return new B(D.Abs(A.x),D.Abs(A.y))};D.AbsM=function(A){return I.FromVV(D.AbsV(A.col1),D.AbsV(A.col2))};D.Min=function(A,F){if(A===undefined){A=0}if(F===undefined){F=0}return A<F?A:F};D.MinV=function(A,F){return new B(D.Min(A.x,F.x),D.Min(A.y,F.y))};D.Max=function(A,F){if(A===undefined){A=0}if(F===undefined){F=0}return A>F?A:F};D.MaxV=function(A,F){return new B(D.Max(A.x,F.x),D.Max(A.y,F.y))};D.Clamp=function(F,G,A){if(F===undefined){F=0}if(G===undefined){G=0}if(A===undefined){A=0}return F<G?G:F>A?A:F};D.ClampV=function(F,G,A){return D.MaxV(G,D.MinV(F,A))};D.Swap=function(F,G){var A=F[0];F[0]=G[0];G[0]=A};D.Random=function(){return Math.random()*2-1};D.RandomRange=function(F,G){if(F===undefined){F=0}if(G===undefined){G=0}var A=Math.random();return A=(G-F)*A+F};D.NextPowerOfTwo=function(A){if(A===undefined){A=0}A|=A>>1&2147483647;A|=A>>2&1073741823;A|=A>>4&268435455;A|=A>>8&16777215;A|=A>>16&65535;return A+1};D.IsPowerOfTwo=function(A){if(A===undefined){A=0}return A>0&&(A&A-1)==0};Box2D.postDefs.push(function(){Box2D.Common.Math.b2Math.b2Vec2_zero=new B(0,0);Box2D.Common.Math.b2Math.b2Mat22_identity=I.FromVV(new B(1,0),new B(0,1));Box2D.Common.Math.b2Math.b2Transform_identity=new C(D.b2Vec2_zero,D.b2Mat22_identity)});J.b2Sweep=function(){this.localCenter=new B;this.c0=new B;this.c=new B};J.prototype.Set=function(A){this.localCenter.SetV(A.localCenter);this.c0.SetV(A.c0);this.c.SetV(A.c);this.a0=A.a0;this.a=A.a;this.t0=A.t0};J.prototype.Copy=function(){var A=new J;A.localCenter.SetV(this.localCenter);A.c0.SetV(this.c0);A.c.SetV(this.c);A.a0=this.a0;A.a=this.a;A.t0=this.t0;return A};J.prototype.GetTransform=function(F,G){if(G===undefined){G=0}F.position.x=(1-G)*this.c0.x+G*this.c.x;F.position.y=(1-G)*this.c0.y+G*this.c.y;F.R.Set((1-G)*this.a0+G*this.a);var A=F.R;F.position.x-=A.col1.x*this.localCenter.x+A.col2.x*this.localCenter.y;F.position.y-=A.col1.y*this.localCenter.x+A.col2.y*this.localCenter.y};J.prototype.Advance=function(A){if(A===undefined){A=0}if(this.t0<A&&1-this.t0>Number.MIN_VALUE){var F=(A-this.t0)/(1-this.t0);this.c0.x=(1-F)*this.c0.x+F*this.c.x;this.c0.y=(1-F)*this.c0.y+F*this.c.y;this.a0=(1-F)*this.a0+F*this.a;this.t0=A}};C.b2Transform=function(){this.position=new B;this.R=new I};C.prototype.b2Transform=function(A,F){if(A===undefined){A=null}if(F===undefined){F=null}if(A){this.position.SetV(A);this.R.SetM(F)}};C.prototype.Initialize=function(A,F){this.position.SetV(A);this.R.SetM(F)};C.prototype.SetIdentity=function(){this.position.SetZero();this.R.SetIdentity()};C.prototype.Set=function(A){this.position.SetV(A.position);this.R.SetM(A.R)};C.prototype.GetAngle=function(){return Math.atan2(this.R.col1.y,this.R.col1.x)};B.b2Vec2=function(){};B.prototype.b2Vec2=function(A,F){if(A===undefined){A=0}if(F===undefined){F=0}this.x=A;this.y=F};B.prototype.SetZero=function(){this.y=this.x=0};B.prototype.Set=function(A,F){if(A===undefined){A=0}if(F===undefined){F=0}this.x=A;this.y=F};B.prototype.SetV=function(A){this.x=A.x;this.y=A.y};B.prototype.GetNegative=function(){return new B(-this.x,-this.y)};B.prototype.NegativeSelf=function(){this.x=-this.x;this.y=-this.y};B.Make=function(A,F){if(A===undefined){A=0}if(F===undefined){F=0}return new B(A,F)};B.prototype.Copy=function(){return new B(this.x,this.y)};B.prototype.Add=function(A){this.x+=A.x;this.y+=A.y};B.prototype.Subtract=function(A){this.x-=A.x;this.y-=A.y};B.prototype.Multiply=function(A){if(A===undefined){A=0}this.x*=A;this.y*=A};B.prototype.MulM=function(A){var F=this.x;this.x=A.col1.x*F+A.col2.x*this.y;this.y=A.col1.y*F+A.col2.y*this.y};B.prototype.MulTM=function(A){var F=D.Dot(this,A.col1);this.y=D.Dot(this,A.col2);this.x=F};B.prototype.CrossVF=function(A){if(A===undefined){A=0}var F=this.x;this.x=A*this.y;this.y=-A*F};B.prototype.CrossFV=function(A){if(A===undefined){A=0}var F=this.x;this.x=-A*this.y;this.y=A*F};B.prototype.MinV=function(A){this.x=this.x<A.x?this.x:A.x;this.y=this.y<A.y?this.y:A.y};B.prototype.MaxV=function(A){this.x=this.x>A.x?this.x:A.x;this.y=this.y>A.y?this.y:A.y};B.prototype.Abs=function(){if(this.x<0){this.x=-this.x}if(this.y<0){this.y=-this.y}};B.prototype.Length=function(){return Math.sqrt(this.x*this.x+this.y*this.y)};B.prototype.LengthSquared=function(){return this.x*this.x+this.y*this.y};B.prototype.Normalize=function(){var A=Math.sqrt(this.x*this.x+this.y*this.y);if(A<Number.MIN_VALUE){return 0}var F=1/A;this.x*=F;this.y*=F;return A};B.prototype.IsValid=function(){return D.IsValid(this.x)&&D.IsValid(this.y)};E.b2Vec3=function(){};E.prototype.b2Vec3=function(F,G,A){if(F===undefined){F=0}if(G===undefined){G=0}if(A===undefined){A=0}this.x=F;this.y=G;this.z=A};E.prototype.SetZero=function(){this.x=this.y=this.z=0};E.prototype.Set=function(F,G,A){if(F===undefined){F=0}if(G===undefined){G=0}if(A===undefined){A=0}this.x=F;this.y=G;this.z=A};E.prototype.SetV=function(A){this.x=A.x;this.y=A.y;this.z=A.z};E.prototype.GetNegative=function(){return new E(-this.x,-this.y,-this.z)};E.prototype.NegativeSelf=function(){this.x=-this.x;this.y=-this.y;this.z=-this.z};E.prototype.Copy=function(){return new E(this.x,this.y,this.z)};E.prototype.Add=function(A){this.x+=A.x;this.y+=A.y;this.z+=A.z};E.prototype.Subtract=function(A){this.x-=A.x;this.y-=A.y;this.z-=A.z};E.prototype.Multiply=function(A){if(A===undefined){A=0}this.x*=A;this.y*=A;this.z*=A}})();(function(){var AI=Box2D.Common.Math.b2Math,AG=Box2D.Common.Math.b2Sweep,AB=Box2D.Common.Math.b2Transform,AC=Box2D.Common.Math.b2Vec2,AF=Box2D.Common.b2Color,AN=Box2D.Common.b2Settings,X=Box2D.Collision.b2AABB,AO=Box2D.Collision.b2ContactPoint,AM=Box2D.Collision.b2DynamicTreeBroadPhase,f=Box2D.Collision.b2RayCastInput,T=Box2D.Collision.b2RayCastOutput,t=Box2D.Collision.Shapes.b2CircleShape,x=Box2D.Collision.Shapes.b2EdgeShape,AD=Box2D.Collision.Shapes.b2MassData,P=Box2D.Collision.Shapes.b2PolygonShape,J=Box2D.Collision.Shapes.b2Shape,AS=Box2D.Dynamics.b2Body,AA=Box2D.Dynamics.b2BodyDef,AH=Box2D.Dynamics.b2ContactFilter,AK=Box2D.Dynamics.b2ContactImpulse,AE=Box2D.Dynamics.b2ContactListener,g=Box2D.Dynamics.b2ContactManager,AJ=Box2D.Dynamics.b2DebugDraw,e=Box2D.Dynamics.b2DestructionListener,m=Box2D.Dynamics.b2FilterData,b=Box2D.Dynamics.b2Fixture,AW=Box2D.Dynamics.b2FixtureDef,C=Box2D.Dynamics.b2Island,AV=Box2D.Dynamics.b2TimeStep,AU=Box2D.Dynamics.b2World,AR=Box2D.Dynamics.Contacts.b2Contact,AT=Box2D.Dynamics.Contacts.b2ContactFactory,AP=Box2D.Dynamics.Contacts.b2ContactSolver,AL=Box2D.Dynamics.Joints.b2Joint,AQ=Box2D.Dynamics.Joints.b2PulleyJoint;AS.b2Body=function(){this.m_xf=new AB;this.m_sweep=new AG;this.m_linearVelocity=new AC;this.m_force=new AC};AS.prototype.connectEdges=function(B,G,D){if(D===undefined){D=0}var A=Math.atan2(G.GetDirectionVector().y,G.GetDirectionVector().x);D=AI.MulFV(Math.tan((A-D)*0.5),G.GetDirectionVector());D=AI.SubtractVV(D,G.GetNormalVector());D=AI.MulFV(AN.b2_toiSlop,D);D=AI.AddVV(D,G.GetVertex1());var F=AI.AddVV(B.GetDirectionVector(),G.GetDirectionVector());F.Normalize();var E=AI.Dot(B.GetDirectionVector(),G.GetNormalVector())>0;B.SetNextEdge(G,D,F,E);G.SetPrevEdge(B,D,F,E);return A};AS.prototype.CreateFixture=function(A){if(this.m_world.IsLocked()==true){return null}var B=new b;B.Create(this,this.m_xf,A);this.m_flags&AS.e_activeFlag&&B.CreateProxy(this.m_world.m_contactManager.m_broadPhase,this.m_xf);B.m_next=this.m_fixtureList;this.m_fixtureList=B;++this.m_fixtureCount;B.m_body=this;B.m_density>0&&this.ResetMassData();this.m_world.m_flags|=AU.e_newFixture;return B};AS.prototype.CreateFixture2=function(A,D){if(D===undefined){D=0}var B=new AW;B.shape=A;B.density=D;return this.CreateFixture(B)};AS.prototype.DestroyFixture=function(B){if(this.m_world.IsLocked()!=true){for(var F=this.m_fixtureList,D=null;F!=null;){if(F==B){if(D){D.m_next=B.m_next}else{this.m_fixtureList=B.m_next}break}D=F;F=F.m_next}for(F=this.m_contactList;F;){D=F.contact;F=F.next;var A=D.GetFixtureA(),E=D.GetFixtureB();if(B==A||B==E){this.m_world.m_contactManager.Destroy(D)}}this.m_flags&AS.e_activeFlag&&B.DestroyProxy(this.m_world.m_contactManager.m_broadPhase);B.Destroy();B.m_body=null;B.m_next=null;--this.m_fixtureCount;this.ResetMassData()}};AS.prototype.SetPositionAndAngle=function(B,E){if(E===undefined){E=0}var D;if(this.m_world.IsLocked()!=true){this.m_xf.R.Set(E);this.m_xf.position.SetV(B);D=this.m_xf.R;var A=this.m_sweep.localCenter;this.m_sweep.c.x=D.col1.x*A.x+D.col2.x*A.y;this.m_sweep.c.y=D.col1.y*A.x+D.col2.y*A.y;this.m_sweep.c.x+=this.m_xf.position.x;this.m_sweep.c.y+=this.m_xf.position.y;this.m_sweep.c0.SetV(this.m_sweep.c);this.m_sweep.a0=this.m_sweep.a=E;A=this.m_world.m_contactManager.m_broadPhase;for(D=this.m_fixtureList;D;D=D.m_next){D.Synchronize(A,this.m_xf,this.m_xf)}this.m_world.m_contactManager.FindNewContacts()}};AS.prototype.SetTransform=function(A){this.SetPositionAndAngle(A.position,A.GetAngle())};AS.prototype.GetTransform=function(){return this.m_xf};AS.prototype.GetPosition=function(){return this.m_xf.position};AS.prototype.SetPosition=function(A){this.SetPositionAndAngle(A,this.GetAngle())};AS.prototype.GetAngle=function(){return this.m_sweep.a};AS.prototype.SetAngle=function(A){if(A===undefined){A=0}this.SetPositionAndAngle(this.GetPosition(),A)};AS.prototype.GetWorldCenter=function(){return this.m_sweep.c};AS.prototype.GetLocalCenter=function(){return this.m_sweep.localCenter};AS.prototype.SetLinearVelocity=function(A){this.m_type!=AS.b2_staticBody&&this.m_linearVelocity.SetV(A)};AS.prototype.GetLinearVelocity=function(){return this.m_linearVelocity};AS.prototype.SetAngularVelocity=function(A){if(A===undefined){A=0}if(this.m_type!=AS.b2_staticBody){this.m_angularVelocity=A}};AS.prototype.GetAngularVelocity=function(){return this.m_angularVelocity};AS.prototype.GetDefinition=function(){var A=new AA;A.type=this.GetType();A.allowSleep=(this.m_flags&AS.e_allowSleepFlag)==AS.e_allowSleepFlag;A.angle=this.GetAngle();A.angularDamping=this.m_angularDamping;A.angularVelocity=this.m_angularVelocity;A.fixedRotation=(this.m_flags&AS.e_fixedRotationFlag)==AS.e_fixedRotationFlag;A.bullet=(this.m_flags&AS.e_bulletFlag)==AS.e_bulletFlag;A.awake=(this.m_flags&AS.e_awakeFlag)==AS.e_awakeFlag;A.linearDamping=this.m_linearDamping;A.linearVelocity.SetV(this.GetLinearVelocity());A.position=this.GetPosition();A.userData=this.GetUserData();return A};AS.prototype.ApplyForce=function(A,B){if(this.m_type==AS.b2_dynamicBody){this.IsAwake()==false&&this.SetAwake(true);this.m_force.x+=A.x;this.m_force.y+=A.y;this.m_torque+=(B.x-this.m_sweep.c.x)*A.y-(B.y-this.m_sweep.c.y)*A.x}};AS.prototype.ApplyTorque=function(A){if(A===undefined){A=0}if(this.m_type==AS.b2_dynamicBody){this.IsAwake()==false&&this.SetAwake(true);this.m_torque+=A}};AS.prototype.ApplyImpulse=function(A,B){if(this.m_type==AS.b2_dynamicBody){this.IsAwake()==false&&this.SetAwake(true);this.m_linearVelocity.x+=this.m_invMass*A.x;this.m_linearVelocity.y+=this.m_invMass*A.y;this.m_angularVelocity+=this.m_invI*((B.x-this.m_sweep.c.x)*A.y-(B.y-this.m_sweep.c.y)*A.x)}};AS.prototype.Split=function(D){for(var I=this.GetLinearVelocity().Copy(),F=this.GetAngularVelocity(),B=this.GetWorldCenter(),H=this.m_world.CreateBody(this.GetDefinition()),G,A=this.m_fixtureList;A;){if(D(A)){var E=A.m_next;if(G){G.m_next=E}else{this.m_fixtureList=E}this.m_fixtureCount--;A.m_next=H.m_fixtureList;H.m_fixtureList=A;H.m_fixtureCount++;A.m_body=H;A=E}else{G=A;A=A.m_next}}this.ResetMassData();H.ResetMassData();G=this.GetWorldCenter();D=H.GetWorldCenter();G=AI.AddVV(I,AI.CrossFV(F,AI.SubtractVV(G,B)));I=AI.AddVV(I,AI.CrossFV(F,AI.SubtractVV(D,B)));this.SetLinearVelocity(G);H.SetLinearVelocity(I);this.SetAngularVelocity(F);H.SetAngularVelocity(F);this.SynchronizeFixtures();H.SynchronizeFixtures();return H};AS.prototype.Merge=function(B){var F;for(F=B.m_fixtureList;F;){var D=F.m_next;B.m_fixtureCount--;F.m_next=this.m_fixtureList;this.m_fixtureList=F;this.m_fixtureCount++;F.m_body=E;F=D}A.m_fixtureCount=0;var A=this,E=B;A.GetWorldCenter();E.GetWorldCenter();A.GetLinearVelocity().Copy();E.GetLinearVelocity().Copy();A.GetAngularVelocity();E.GetAngularVelocity();A.ResetMassData();this.SynchronizeFixtures()};AS.prototype.GetMass=function(){return this.m_mass};AS.prototype.GetInertia=function(){return this.m_I};AS.prototype.GetMassData=function(A){A.mass=this.m_mass;A.I=this.m_I;A.center.SetV(this.m_sweep.localCenter)};AS.prototype.SetMassData=function(A){AN.b2Assert(this.m_world.IsLocked()==false);if(this.m_world.IsLocked()!=true){if(this.m_type==AS.b2_dynamicBody){this.m_invI=this.m_I=this.m_invMass=0;this.m_mass=A.mass;if(this.m_mass<=0){this.m_mass=1}this.m_invMass=1/this.m_mass;if(A.I>0&&(this.m_flags&AS.e_fixedRotationFlag)==0){this.m_I=A.I-this.m_mass*(A.center.x*A.center.x+A.center.y*A.center.y);this.m_invI=1/this.m_I}var B=this.m_sweep.c.Copy();this.m_sweep.localCenter.SetV(A.center);this.m_sweep.c0.SetV(AI.MulX(this.m_xf,this.m_sweep.localCenter));this.m_sweep.c.SetV(this.m_sweep.c0);this.m_linearVelocity.x+=this.m_angularVelocity*-(this.m_sweep.c.y-B.y);this.m_linearVelocity.y+=this.m_angularVelocity*+(this.m_sweep.c.x-B.x)}}};AS.prototype.ResetMassData=function(){this.m_invI=this.m_I=this.m_invMass=this.m_mass=0;this.m_sweep.localCenter.SetZero();if(!(this.m_type==AS.b2_staticBody||this.m_type==AS.b2_kinematicBody)){for(var A=AC.Make(0,0),D=this.m_fixtureList;D;D=D.m_next){if(D.m_density!=0){var B=D.GetMassData();this.m_mass+=B.mass;A.x+=B.center.x*B.mass;A.y+=B.center.y*B.mass;this.m_I+=B.I}}if(this.m_mass>0){this.m_invMass=1/this.m_mass;A.x*=this.m_invMass;A.y*=this.m_invMass}else{this.m_invMass=this.m_mass=1}if(this.m_I>0&&(this.m_flags&AS.e_fixedRotationFlag)==0){this.m_I-=this.m_mass*(A.x*A.x+A.y*A.y);this.m_I*=this.m_inertiaScale;AN.b2Assert(this.m_I>0);this.m_invI=1/this.m_I}else{this.m_invI=this.m_I=0}D=this.m_sweep.c.Copy();this.m_sweep.localCenter.SetV(A);this.m_sweep.c0.SetV(AI.MulX(this.m_xf,this.m_sweep.localCenter));this.m_sweep.c.SetV(this.m_sweep.c0);this.m_linearVelocity.x+=this.m_angularVelocity*-(this.m_sweep.c.y-D.y);this.m_linearVelocity.y+=this.m_angularVelocity*+(this.m_sweep.c.x-D.x)}};AS.prototype.GetWorldPoint=function(A){var B=this.m_xf.R;A=new AC(B.col1.x*A.x+B.col2.x*A.y,B.col1.y*A.x+B.col2.y*A.y);A.x+=this.m_xf.position.x;A.y+=this.m_xf.position.y;return A};AS.prototype.GetWorldVector=function(A){return AI.MulMV(this.m_xf.R,A)};AS.prototype.GetLocalPoint=function(A){return AI.MulXT(this.m_xf,A)};AS.prototype.GetLocalVector=function(A){return AI.MulTMV(this.m_xf.R,A)};AS.prototype.GetLinearVelocityFromWorldPoint=function(A){return new AC(this.m_linearVelocity.x-this.m_angularVelocity*(A.y-this.m_sweep.c.y),this.m_linearVelocity.y+this.m_angularVelocity*(A.x-this.m_sweep.c.x))};AS.prototype.GetLinearVelocityFromLocalPoint=function(A){var B=this.m_xf.R;A=new AC(B.col1.x*A.x+B.col2.x*A.y,B.col1.y*A.x+B.col2.y*A.y);A.x+=this.m_xf.position.x;A.y+=this.m_xf.position.y;return new AC(this.m_linearVelocity.x-this.m_angularVelocity*(A.y-this.m_sweep.c.y),this.m_linearVelocity.y+this.m_angularVelocity*(A.x-this.m_sweep.c.x))};AS.prototype.GetLinearDamping=function(){return this.m_linearDamping};AS.prototype.SetLinearDamping=function(A){if(A===undefined){A=0}this.m_linearDamping=A};AS.prototype.GetAngularDamping=function(){return this.m_angularDamping};AS.prototype.SetAngularDamping=function(A){if(A===undefined){A=0}this.m_angularDamping=A};AS.prototype.SetType=function(A){if(A===undefined){A=0}if(this.m_type!=A){this.m_type=A;this.ResetMassData();if(this.m_type==AS.b2_staticBody){this.m_linearVelocity.SetZero();this.m_angularVelocity=0}this.SetAwake(true);this.m_force.SetZero();this.m_torque=0;for(A=this.m_contactList;A;A=A.next){A.contact.FlagForFiltering()}}};AS.prototype.GetType=function(){return this.m_type};AS.prototype.SetBullet=function(A){if(A){this.m_flags|=AS.e_bulletFlag}else{this.m_flags&=~AS.e_bulletFlag}};AS.prototype.IsBullet=function(){return(this.m_flags&AS.e_bulletFlag)==AS.e_bulletFlag};AS.prototype.SetSleepingAllowed=function(A){if(A){this.m_flags|=AS.e_allowSleepFlag}else{this.m_flags&=~AS.e_allowSleepFlag;this.SetAwake(true)}};AS.prototype.SetAwake=function(A){if(A){this.m_flags|=AS.e_awakeFlag;this.m_sleepTime=0}else{this.m_flags&=~AS.e_awakeFlag;this.m_sleepTime=0;this.m_linearVelocity.SetZero();this.m_angularVelocity=0;this.m_force.SetZero();this.m_torque=0}};AS.prototype.IsAwake=function(){return(this.m_flags&AS.e_awakeFlag)==AS.e_awakeFlag};AS.prototype.SetFixedRotation=function(A){if(A){this.m_flags|=AS.e_fixedRotationFlag}else{this.m_flags&=~AS.e_fixedRotationFlag}this.ResetMassData()};AS.prototype.IsFixedRotation=function(){return(this.m_flags&AS.e_fixedRotationFlag)==AS.e_fixedRotationFlag};AS.prototype.SetActive=function(A){if(A!=this.IsActive()){var B;if(A){this.m_flags|=AS.e_activeFlag;A=this.m_world.m_contactManager.m_broadPhase;for(B=this.m_fixtureList;B;B=B.m_next){B.CreateProxy(A,this.m_xf)}}else{this.m_flags&=~AS.e_activeFlag;A=this.m_world.m_contactManager.m_broadPhase;for(B=this.m_fixtureList;B;B=B.m_next){B.DestroyProxy(A)}for(A=this.m_contactList;A;){B=A;A=A.next;this.m_world.m_contactManager.Destroy(B.contact)}this.m_contactList=null}}};AS.prototype.IsActive=function(){return(this.m_flags&AS.e_activeFlag)==AS.e_activeFlag};AS.prototype.IsSleepingAllowed=function(){return(this.m_flags&AS.e_allowSleepFlag)==AS.e_allowSleepFlag};AS.prototype.GetFixtureList=function(){return this.m_fixtureList};AS.prototype.GetJointList=function(){return this.m_jointList};AS.prototype.GetControllerList=function(){return this.m_controllerList};AS.prototype.GetContactList=function(){return this.m_contactList};AS.prototype.GetNext=function(){return this.m_next};AS.prototype.GetUserData=function(){return this.m_userData};AS.prototype.SetUserData=function(A){this.m_userData=A};AS.prototype.GetWorld=function(){return this.m_world};AS.prototype.b2Body=function(B,E){this.m_flags=0;if(B.bullet){this.m_flags|=AS.e_bulletFlag}if(B.fixedRotation){this.m_flags|=AS.e_fixedRotationFlag}if(B.allowSleep){this.m_flags|=AS.e_allowSleepFlag}if(B.awake){this.m_flags|=AS.e_awakeFlag}if(B.active){this.m_flags|=AS.e_activeFlag}this.m_world=E;this.m_xf.position.SetV(B.position);this.m_xf.R.Set(B.angle);this.m_sweep.localCenter.SetZero();this.m_sweep.t0=1;this.m_sweep.a0=this.m_sweep.a=B.angle;var D=this.m_xf.R,A=this.m_sweep.localCenter;this.m_sweep.c.x=D.col1.x*A.x+D.col2.x*A.y;this.m_sweep.c.y=D.col1.y*A.x+D.col2.y*A.y;this.m_sweep.c.x+=this.m_xf.position.x;this.m_sweep.c.y+=this.m_xf.position.y;this.m_sweep.c0.SetV(this.m_sweep.c);this.m_contactList=this.m_controllerList=this.m_jointList=null;this.m_controllerCount=0;this.m_next=this.m_prev=null;this.m_linearVelocity.SetV(B.linearVelocity);this.m_angularVelocity=B.angularVelocity;this.m_linearDamping=B.linearDamping;this.m_angularDamping=B.angularDamping;this.m_force.Set(0,0);this.m_sleepTime=this.m_torque=0;this.m_type=B.type;if(this.m_type==AS.b2_dynamicBody){this.m_invMass=this.m_mass=1}else{this.m_invMass=this.m_mass=0}this.m_invI=this.m_I=0;this.m_inertiaScale=B.inertiaScale;this.m_userData=B.userData;this.m_fixtureList=null;this.m_fixtureCount=0};AS.prototype.SynchronizeFixtures=function(){var A=AS.s_xf1;A.R.Set(this.m_sweep.a0);var D=A.R,B=this.m_sweep.localCenter;A.position.x=this.m_sweep.c0.x-(D.col1.x*B.x+D.col2.x*B.y);A.position.y=this.m_sweep.c0.y-(D.col1.y*B.x+D.col2.y*B.y);B=this.m_world.m_contactManager.m_broadPhase;for(D=this.m_fixtureList;D;D=D.m_next){D.Synchronize(B,A,this.m_xf)}};AS.prototype.SynchronizeTransform=function(){this.m_xf.R.Set(this.m_sweep.a);var A=this.m_xf.R,B=this.m_sweep.localCenter;this.m_xf.position.x=this.m_sweep.c.x-(A.col1.x*B.x+A.col2.x*B.y);this.m_xf.position.y=this.m_sweep.c.y-(A.col1.y*B.x+A.col2.y*B.y)};AS.prototype.ShouldCollide=function(A){if(this.m_type!=AS.b2_dynamicBody&&A.m_type!=AS.b2_dynamicBody){return false}for(var B=this.m_jointList;B;B=B.next){if(B.other==A){if(B.joint.m_collideConnected==false){return false}}}return true};AS.prototype.Advance=function(A){if(A===undefined){A=0}this.m_sweep.Advance(A);this.m_sweep.c.SetV(this.m_sweep.c0);this.m_sweep.a=this.m_sweep.a0;this.SynchronizeTransform()};Box2D.postDefs.push(function(){Box2D.Dynamics.b2Body.s_xf1=new AB;Box2D.Dynamics.b2Body.e_islandFlag=1;Box2D.Dynamics.b2Body.e_awakeFlag=2;Box2D.Dynamics.b2Body.e_allowSleepFlag=4;Box2D.Dynamics.b2Body.e_bulletFlag=8;Box2D.Dynamics.b2Body.e_fixedRotationFlag=16;Box2D.Dynamics.b2Body.e_activeFlag=32;Box2D.Dynamics.b2Body.b2_staticBody=0;Box2D.Dynamics.b2Body.b2_kinematicBody=1;Box2D.Dynamics.b2Body.b2_dynamicBody=2});AA.b2BodyDef=function(){this.position=new AC;this.linearVelocity=new AC};AA.prototype.b2BodyDef=function(){this.userData=null;this.position.Set(0,0);this.angle=0;this.linearVelocity.Set(0,0);this.angularDamping=this.linearDamping=this.angularVelocity=0;this.awake=this.allowSleep=true;this.bullet=this.fixedRotation=false;this.type=AS.b2_staticBody;this.active=true;this.inertiaScale=1};AH.b2ContactFilter=function(){};AH.prototype.ShouldCollide=function(B,E){var D=B.GetFilterData(),A=E.GetFilterData();if(D.groupIndex==A.groupIndex&&D.groupIndex!=0){return D.groupIndex>0}return(D.maskBits&A.categoryBits)!=0&&(D.categoryBits&A.maskBits)!=0};AH.prototype.RayCollide=function(A,B){if(!A){return true}return this.ShouldCollide(A instanceof b?A:null,B)};Box2D.postDefs.push(function(){Box2D.Dynamics.b2ContactFilter.b2_defaultFilter=new AH});AK.b2ContactImpulse=function(){this.normalImpulses=new Vector_a2j_Number(AN.b2_maxManifoldPoints);this.tangentImpulses=new Vector_a2j_Number(AN.b2_maxManifoldPoints)};AE.b2ContactListener=function(){};AE.prototype.BeginContact=function(){};AE.prototype.EndContact=function(){};AE.prototype.PreSolve=function(){};AE.prototype.PostSolve=function(){};Box2D.postDefs.push(function(){Box2D.Dynamics.b2ContactListener.b2_defaultListener=new AE});g.b2ContactManager=function(){};g.prototype.b2ContactManager=function(){this.m_world=null;this.m_contactCount=0;this.m_contactFilter=AH.b2_defaultFilter;this.m_contactListener=AE.b2_defaultListener;this.m_contactFactory=new AT(this.m_allocator);this.m_broadPhase=new AM};g.prototype.AddPair=function(I,G){var D=I instanceof b?I:null,H=G instanceof b?G:null,F=D.GetBody(),E=H.GetBody();if(F!=E){for(var B=E.GetContactList();B;){if(B.other==F){var A=B.contact.GetFixtureA(),K=B.contact.GetFixtureB();if(A==D&&K==H){return}if(A==H&&K==D){return}}B=B.next}if(E.ShouldCollide(F)!=false){if(this.m_contactFilter.ShouldCollide(D,H)!=false){B=this.m_contactFactory.Create(D,H);D=B.GetFixtureA();H=B.GetFixtureB();F=D.m_body;E=H.m_body;B.m_prev=null;B.m_next=this.m_world.m_contactList;if(this.m_world.m_contactList!=null){this.m_world.m_contactList.m_prev=B}this.m_world.m_contactList=B;B.m_nodeA.contact=B;B.m_nodeA.other=E;B.m_nodeA.prev=null;B.m_nodeA.next=F.m_contactList;if(F.m_contactList!=null){F.m_contactList.prev=B.m_nodeA}F.m_contactList=B.m_nodeA;B.m_nodeB.contact=B;B.m_nodeB.other=F;B.m_nodeB.prev=null;B.m_nodeB.next=E.m_contactList;if(E.m_contactList!=null){E.m_contactList.prev=B.m_nodeB}E.m_contactList=B.m_nodeB;++this.m_world.m_contactCount}}}};g.prototype.FindNewContacts=function(){this.m_broadPhase.UpdatePairs(Box2D.generateCallback(this,this.AddPair))};g.prototype.Destroy=function(A){var D=A.GetFixtureA(),B=A.GetFixtureB();D=D.GetBody();B=B.GetBody();A.IsTouching()&&this.m_contactListener.EndContact(A);if(A.m_prev){A.m_prev.m_next=A.m_next}if(A.m_next){A.m_next.m_prev=A.m_prev}if(A==this.m_world.m_contactList){this.m_world.m_contactList=A.m_next}if(A.m_nodeA.prev){A.m_nodeA.prev.next=A.m_nodeA.next}if(A.m_nodeA.next){A.m_nodeA.next.prev=A.m_nodeA.prev}if(A.m_nodeA==D.m_contactList){D.m_contactList=A.m_nodeA.next}if(A.m_nodeB.prev){A.m_nodeB.prev.next=A.m_nodeB.next}if(A.m_nodeB.next){A.m_nodeB.next.prev=A.m_nodeB.prev}if(A.m_nodeB==B.m_contactList){B.m_contactList=A.m_nodeB.next}this.m_contactFactory.Destroy(A);--this.m_contactCount};g.prototype.Collide=function(){for(var B=this.m_world.m_contactList;B;){var F=B.GetFixtureA(),D=B.GetFixtureB(),A=F.GetBody(),E=D.GetBody();if(A.IsAwake()==false&&E.IsAwake()==false){B=B.GetNext()}else{if(B.m_flags&AR.e_filterFlag){if(E.ShouldCollide(A)==false){F=B;B=F.GetNext();this.Destroy(F);continue}if(this.m_contactFilter.ShouldCollide(F,D)==false){F=B;B=F.GetNext();this.Destroy(F);continue}B.m_flags&=~AR.e_filterFlag}if(this.m_broadPhase.TestOverlap(F.m_proxy,D.m_proxy)==false){F=B;B=F.GetNext();this.Destroy(F)}else{B.Update(this.m_contactListener);B=B.GetNext()}}}};Box2D.postDefs.push(function(){Box2D.Dynamics.b2ContactManager.s_evalCP=new AO});AJ.b2DebugDraw=function(){};AJ.prototype.b2DebugDraw=function(){};AJ.prototype.SetFlags=function(){};AJ.prototype.GetFlags=function(){};AJ.prototype.AppendFlags=function(){};AJ.prototype.ClearFlags=function(){};AJ.prototype.SetSprite=function(){};AJ.prototype.GetSprite=function(){};AJ.prototype.SetDrawScale=function(){};AJ.prototype.GetDrawScale=function(){};AJ.prototype.SetLineThickness=function(){};AJ.prototype.GetLineThickness=function(){};AJ.prototype.SetAlpha=function(){};AJ.prototype.GetAlpha=function(){};AJ.prototype.SetFillAlpha=function(){};AJ.prototype.GetFillAlpha=function(){};AJ.prototype.SetXFormScale=function(){};AJ.prototype.GetXFormScale=function(){};AJ.prototype.DrawPolygon=function(){};AJ.prototype.DrawSolidPolygon=function(){};AJ.prototype.DrawCircle=function(){};AJ.prototype.DrawSolidCircle=function(){};AJ.prototype.DrawSegment=function(){};AJ.prototype.DrawTransform=function(){};Box2D.postDefs.push(function(){Box2D.Dynamics.b2DebugDraw.e_shapeBit=1;Box2D.Dynamics.b2DebugDraw.e_jointBit=2;Box2D.Dynamics.b2DebugDraw.e_aabbBit=4;Box2D.Dynamics.b2DebugDraw.e_pairBit=8;Box2D.Dynamics.b2DebugDraw.e_centerOfMassBit=16;Box2D.Dynamics.b2DebugDraw.e_controllerBit=32});e.b2DestructionListener=function(){};e.prototype.SayGoodbyeJoint=function(){};e.prototype.SayGoodbyeFixture=function(){};m.b2FilterData=function(){this.categoryBits=1;this.maskBits=65535;this.groupIndex=0};m.prototype.Copy=function(){var A=new m;A.categoryBits=this.categoryBits;A.maskBits=this.maskBits;A.groupIndex=this.groupIndex;return A};b.b2Fixture=function(){this.m_filter=new m};b.prototype.GetType=function(){return this.m_shape.GetType()};b.prototype.GetShape=function(){return this.m_shape};b.prototype.SetSensor=function(B){if(this.m_isSensor!=B){this.m_isSensor=B;if(this.m_body!=null){for(B=this.m_body.GetContactList();B;){var E=B.contact,D=E.GetFixtureA(),A=E.GetFixtureB();if(D==this||A==this){E.SetSensor(D.IsSensor()||A.IsSensor())}B=B.next}}}};b.prototype.IsSensor=function(){return this.m_isSensor};b.prototype.SetFilterData=function(B){this.m_filter=B.Copy();if(!this.m_body){for(B=this.m_body.GetContactList();B;){var E=B.contact,D=E.GetFixtureA(),A=E.GetFixtureB();if(D==this||A==this){E.FlagForFiltering()}B=B.next}}};b.prototype.GetFilterData=function(){return this.m_filter.Copy()};b.prototype.GetBody=function(){return this.m_body};b.prototype.GetNext=function(){return this.m_next};b.prototype.GetUserData=function(){return this.m_userData};b.prototype.SetUserData=function(A){this.m_userData=A};b.prototype.TestPoint=function(A){return this.m_shape.TestPoint(this.m_body.GetTransform(),A)};b.prototype.RayCast=function(A,B){return this.m_shape.RayCast(A,B,this.m_body.GetTransform())};b.prototype.GetMassData=function(A){if(A===undefined){A=null}if(A==null){A=new AD}this.m_shape.ComputeMass(A,this.m_density);return A};b.prototype.SetDensity=function(A){if(A===undefined){A=0}this.m_density=A};b.prototype.GetDensity=function(){return this.m_density};b.prototype.GetFriction=function(){return this.m_friction};b.prototype.SetFriction=function(A){if(A===undefined){A=0}this.m_friction=A};b.prototype.GetRestitution=function(){return this.m_restitution};b.prototype.SetRestitution=function(A){if(A===undefined){A=0}this.m_restitution=A};b.prototype.GetAABB=function(){return this.m_aabb};b.prototype.b2Fixture=function(){this.m_aabb=new X;this.m_shape=this.m_next=this.m_body=this.m_userData=null;this.m_restitution=this.m_friction=this.m_density=0};b.prototype.Create=function(A,D,B){this.m_userData=B.userData;this.m_friction=B.friction;this.m_restitution=B.restitution;this.m_body=A;this.m_next=null;this.m_filter=B.filter.Copy();this.m_isSensor=B.isSensor;this.m_shape=B.shape.Copy();this.m_density=B.density};b.prototype.Destroy=function(){this.m_shape=null};b.prototype.CreateProxy=function(A,B){this.m_shape.ComputeAABB(this.m_aabb,B);this.m_proxy=A.CreateProxy(this.m_aabb,this)};b.prototype.DestroyProxy=function(A){if(this.m_proxy!=null){A.DestroyProxy(this.m_proxy);this.m_proxy=null}};b.prototype.Synchronize=function(B,F,D){if(this.m_proxy){var A=new X,E=new X;this.m_shape.ComputeAABB(A,F);this.m_shape.ComputeAABB(E,D);this.m_aabb.Combine(A,E);F=AI.SubtractVV(D.position,F.position);B.MoveProxy(this.m_proxy,this.m_aabb,F)}};AW.b2FixtureDef=function(){this.filter=new m};AW.prototype.b2FixtureDef=function(){this.userData=this.shape=null;this.friction=0.2;this.density=this.restitution=0;this.filter.categoryBits=1;this.filter.maskBits=65535;this.filter.groupIndex=0;this.isSensor=false};C.b2Island=function(){};C.prototype.b2Island=function(){this.m_bodies=new Vector;this.m_contacts=new Vector;this.m_joints=new Vector};C.prototype.Initialize=function(D,H,E,B,G,F){if(D===undefined){D=0}if(H===undefined){H=0}if(E===undefined){E=0}var A=0;this.m_bodyCapacity=D;this.m_contactCapacity=H;this.m_jointCapacity=E;this.m_jointCount=this.m_contactCount=this.m_bodyCount=0;this.m_allocator=B;this.m_listener=G;this.m_contactSolver=F;for(A=this.m_bodies.length;A<D;A++){this.m_bodies[A]=null}for(A=this.m_contacts.length;A<H;A++){this.m_contacts[A]=null}for(A=this.m_joints.length;A<E;A++){this.m_joints[A]=null}};C.prototype.Clear=function(){this.m_jointCount=this.m_contactCount=this.m_bodyCount=0};C.prototype.Solve=function(D,I,F){var B=0,H=0,G;for(B=0;B<this.m_bodyCount;++B){H=this.m_bodies[B];if(H.GetType()==AS.b2_dynamicBody){H.m_linearVelocity.x+=D.dt*(I.x+H.m_invMass*H.m_force.x);H.m_linearVelocity.y+=D.dt*(I.y+H.m_invMass*H.m_force.y);H.m_angularVelocity+=D.dt*H.m_invI*H.m_torque;H.m_linearVelocity.Multiply(AI.Clamp(1-D.dt*H.m_linearDamping,0,1));H.m_angularVelocity*=AI.Clamp(1-D.dt*H.m_angularDamping,0,1)}}this.m_contactSolver.Initialize(D,this.m_contacts,this.m_contactCount,this.m_allocator);I=this.m_contactSolver;I.InitVelocityConstraints(D);for(B=0;B<this.m_jointCount;++B){G=this.m_joints[B];G.InitVelocityConstraints(D)}for(B=0;B<D.velocityIterations;++B){for(H=0;H<this.m_jointCount;++H){G=this.m_joints[H];G.SolveVelocityConstraints(D)}I.SolveVelocityConstraints()}for(B=0;B<this.m_jointCount;++B){G=this.m_joints[B];G.FinalizeVelocityConstraints()}I.FinalizeVelocityConstraints();for(B=0;B<this.m_bodyCount;++B){H=this.m_bodies[B];if(H.GetType()!=AS.b2_staticBody){var A=D.dt*H.m_linearVelocity.x,E=D.dt*H.m_linearVelocity.y;if(A*A+E*E>AN.b2_maxTranslationSquared){H.m_linearVelocity.Normalize();H.m_linearVelocity.x*=AN.b2_maxTranslation*D.inv_dt;H.m_linearVelocity.y*=AN.b2_maxTranslation*D.inv_dt}A=D.dt*H.m_angularVelocity;if(A*A>AN.b2_maxRotationSquared){H.m_angularVelocity=H.m_angularVelocity<0?-AN.b2_maxRotation*D.inv_dt:AN.b2_maxRotation*D.inv_dt}H.m_sweep.c0.SetV(H.m_sweep.c);H.m_sweep.a0=H.m_sweep.a;H.m_sweep.c.x+=D.dt*H.m_linearVelocity.x;H.m_sweep.c.y+=D.dt*H.m_linearVelocity.y;H.m_sweep.a+=D.dt*H.m_angularVelocity;H.SynchronizeTransform()}}for(B=0;B<D.positionIterations;++B){A=I.SolvePositionConstraints(AN.b2_contactBaumgarte);E=true;for(H=0;H<this.m_jointCount;++H){G=this.m_joints[H];G=G.SolvePositionConstraints(AN.b2_contactBaumgarte);E=E&&G}if(A&&E){break}}this.Report(I.m_constraints);if(F){F=Number.MAX_VALUE;I=AN.b2_linearSleepTolerance*AN.b2_linearSleepTolerance;A=AN.b2_angularSleepTolerance*AN.b2_angularSleepTolerance;for(B=0;B<this.m_bodyCount;++B){H=this.m_bodies[B];if(H.GetType()!=AS.b2_staticBody){if((H.m_flags&AS.e_allowSleepFlag)==0){F=H.m_sleepTime=0}if((H.m_flags&AS.e_allowSleepFlag)==0||H.m_angularVelocity*H.m_angularVelocity>A||AI.Dot(H.m_linearVelocity,H.m_linearVelocity)>I){F=H.m_sleepTime=0}else{H.m_sleepTime+=D.dt;F=AI.Min(F,H.m_sleepTime)}}}if(F>=AN.b2_timeToSleep){for(B=0;B<this.m_bodyCount;++B){H=this.m_bodies[B];H.SetAwake(false)}}}};C.prototype.SolveTOI=function(D){var H=0,E=0;this.m_contactSolver.Initialize(D,this.m_contacts,this.m_contactCount,this.m_allocator);var B=this.m_contactSolver;for(H=0;H<this.m_jointCount;++H){this.m_joints[H].InitVelocityConstraints(D)}for(H=0;H<D.velocityIterations;++H){B.SolveVelocityConstraints();for(E=0;E<this.m_jointCount;++E){this.m_joints[E].SolveVelocityConstraints(D)}}for(H=0;H<this.m_bodyCount;++H){E=this.m_bodies[H];if(E.GetType()!=AS.b2_staticBody){var G=D.dt*E.m_linearVelocity.x,F=D.dt*E.m_linearVelocity.y;if(G*G+F*F>AN.b2_maxTranslationSquared){E.m_linearVelocity.Normalize();E.m_linearVelocity.x*=AN.b2_maxTranslation*D.inv_dt;E.m_linearVelocity.y*=AN.b2_maxTranslation*D.inv_dt}G=D.dt*E.m_angularVelocity;if(G*G>AN.b2_maxRotationSquared){E.m_angularVelocity=E.m_angularVelocity<0?-AN.b2_maxRotation*D.inv_dt:AN.b2_maxRotation*D.inv_dt}E.m_sweep.c0.SetV(E.m_sweep.c);E.m_sweep.a0=E.m_sweep.a;E.m_sweep.c.x+=D.dt*E.m_linearVelocity.x;E.m_sweep.c.y+=D.dt*E.m_linearVelocity.y;E.m_sweep.a+=D.dt*E.m_angularVelocity;E.SynchronizeTransform()}}for(H=0;H<D.positionIterations;++H){G=B.SolvePositionConstraints(0.75);F=true;for(E=0;E<this.m_jointCount;++E){var A=this.m_joints[E].SolvePositionConstraints(AN.b2_contactBaumgarte);F=F&&A}if(G&&F){break}}this.Report(B.m_constraints)};C.prototype.Report=function(B){if(this.m_listener!=null){for(var F=0;F<this.m_contactCount;++F){for(var D=this.m_contacts[F],A=B[F],E=0;E<A.pointCount;++E){C.s_impulse.normalImpulses[E]=A.points[E].normalImpulse;C.s_impulse.tangentImpulses[E]=A.points[E].tangentImpulse}this.m_listener.PostSolve(D,C.s_impulse)}}};C.prototype.AddBody=function(A){A.m_islandIndex=this.m_bodyCount;this.m_bodies[this.m_bodyCount++]=A};C.prototype.AddContact=function(A){this.m_contacts[this.m_contactCount++]=A};C.prototype.AddJoint=function(A){this.m_joints[this.m_jointCount++]=A};Box2D.postDefs.push(function(){Box2D.Dynamics.b2Island.s_impulse=new AK});AV.b2TimeStep=function(){};AV.prototype.Set=function(A){this.dt=A.dt;this.inv_dt=A.inv_dt;this.positionIterations=A.positionIterations;this.velocityIterations=A.velocityIterations;this.warmStarting=A.warmStarting};AU.b2World=function(){this.s_stack=new Vector;this.m_contactManager=new g;this.m_contactSolver=new AP;this.m_island=new C};AU.prototype.b2World=function(A,B){this.m_controllerList=this.m_jointList=this.m_contactList=this.m_bodyList=this.m_debugDraw=this.m_destructionListener=null;this.m_controllerCount=this.m_jointCount=this.m_contactCount=this.m_bodyCount=0;AU.m_warmStarting=true;AU.m_continuousPhysics=true;this.m_allowSleep=B;this.m_gravity=A;this.m_inv_dt0=0;this.m_contactManager.m_world=this;this.m_groundBody=this.CreateBody(new AA)};AU.prototype.SetDestructionListener=function(A){this.m_destructionListener=A};AU.prototype.SetContactFilter=function(A){this.m_contactManager.m_contactFilter=A};AU.prototype.SetContactListener=function(A){this.m_contactManager.m_contactListener=A};AU.prototype.SetDebugDraw=function(A){this.m_debugDraw=A};AU.prototype.SetBroadPhase=function(B){var E=this.m_contactManager.m_broadPhase;this.m_contactManager.m_broadPhase=B;for(var D=this.m_bodyList;D;D=D.m_next){for(var A=D.m_fixtureList;A;A=A.m_next){A.m_proxy=B.CreateProxy(E.GetFatAABB(A.m_proxy),A)}}};AU.prototype.Validate=function(){this.m_contactManager.m_broadPhase.Validate()};AU.prototype.GetProxyCount=function(){return this.m_contactManager.m_broadPhase.GetProxyCount()};AU.prototype.CreateBody=function(A){if(this.IsLocked()==true){return null}A=new AS(A,this);A.m_prev=null;if(A.m_next=this.m_bodyList){this.m_bodyList.m_prev=A}this.m_bodyList=A;++this.m_bodyCount;return A};AU.prototype.DestroyBody=function(A){if(this.IsLocked()!=true){for(var D=A.m_jointList;D;){var B=D;D=D.next;this.m_destructionListener&&this.m_destructionListener.SayGoodbyeJoint(B.joint);this.DestroyJoint(B.joint)}for(D=A.m_controllerList;D;){B=D;D=D.nextController;B.controller.RemoveBody(A)}for(D=A.m_contactList;D;){B=D;D=D.next;this.m_contactManager.Destroy(B.contact)}A.m_contactList=null;for(D=A.m_fixtureList;D;){B=D;D=D.m_next;this.m_destructionListener&&this.m_destructionListener.SayGoodbyeFixture(B);B.DestroyProxy(this.m_contactManager.m_broadPhase);B.Destroy()}A.m_fixtureList=null;A.m_fixtureCount=0;if(A.m_prev){A.m_prev.m_next=A.m_next}if(A.m_next){A.m_next.m_prev=A.m_prev}if(A==this.m_bodyList){this.m_bodyList=A.m_next}--this.m_bodyCount}};AU.prototype.CreateJoint=function(B){var E=AL.Create(B,null);E.m_prev=null;if(E.m_next=this.m_jointList){this.m_jointList.m_prev=E}this.m_jointList=E;++this.m_jointCount;E.m_edgeA.joint=E;E.m_edgeA.other=E.m_bodyB;E.m_edgeA.prev=null;if(E.m_edgeA.next=E.m_bodyA.m_jointList){E.m_bodyA.m_jointList.prev=E.m_edgeA}E.m_bodyA.m_jointList=E.m_edgeA;E.m_edgeB.joint=E;E.m_edgeB.other=E.m_bodyA;E.m_edgeB.prev=null;if(E.m_edgeB.next=E.m_bodyB.m_jointList){E.m_bodyB.m_jointList.prev=E.m_edgeB}E.m_bodyB.m_jointList=E.m_edgeB;var D=B.bodyA,A=B.bodyB;if(B.collideConnected==false){for(B=A.GetContactList();B;){B.other==D&&B.contact.FlagForFiltering();B=B.next}}return E};AU.prototype.DestroyJoint=function(B){var E=B.m_collideConnected;if(B.m_prev){B.m_prev.m_next=B.m_next}if(B.m_next){B.m_next.m_prev=B.m_prev}if(B==this.m_jointList){this.m_jointList=B.m_next}var D=B.m_bodyA,A=B.m_bodyB;D.SetAwake(true);A.SetAwake(true);if(B.m_edgeA.prev){B.m_edgeA.prev.next=B.m_edgeA.next}if(B.m_edgeA.next){B.m_edgeA.next.prev=B.m_edgeA.prev}if(B.m_edgeA==D.m_jointList){D.m_jointList=B.m_edgeA.next}B.m_edgeA.prev=null;B.m_edgeA.next=null;if(B.m_edgeB.prev){B.m_edgeB.prev.next=B.m_edgeB.next}if(B.m_edgeB.next){B.m_edgeB.next.prev=B.m_edgeB.prev}if(B.m_edgeB==A.m_jointList){A.m_jointList=B.m_edgeB.next}B.m_edgeB.prev=null;B.m_edgeB.next=null;AL.Destroy(B,null);--this.m_jointCount;if(E==false){for(B=A.GetContactList();B;){B.other==D&&B.contact.FlagForFiltering();B=B.next}}};AU.prototype.AddController=function(A){A.m_next=this.m_controllerList;A.m_prev=null;this.m_controllerList=A;A.m_world=this;this.m_controllerCount++;return A};AU.prototype.RemoveController=function(A){if(A.m_prev){A.m_prev.m_next=A.m_next}if(A.m_next){A.m_next.m_prev=A.m_prev}if(this.m_controllerList==A){this.m_controllerList=A.m_next}this.m_controllerCount--};AU.prototype.CreateController=function(A){if(A.m_world!=this){throw Error("Controller can only be a member of one world")}A.m_next=this.m_controllerList;A.m_prev=null;if(this.m_controllerList){this.m_controllerList.m_prev=A}this.m_controllerList=A;++this.m_controllerCount;A.m_world=this;return A};AU.prototype.DestroyController=function(A){A.Clear();if(A.m_next){A.m_next.m_prev=A.m_prev}if(A.m_prev){A.m_prev.m_next=A.m_next}if(A==this.m_controllerList){this.m_controllerList=A.m_next}--this.m_controllerCount};AU.prototype.SetWarmStarting=function(A){AU.m_warmStarting=A};AU.prototype.SetContinuousPhysics=function(A){AU.m_continuousPhysics=A};AU.prototype.GetBodyCount=function(){return this.m_bodyCount};AU.prototype.GetJointCount=function(){return this.m_jointCount};AU.prototype.GetContactCount=function(){return this.m_contactCount};AU.prototype.SetGravity=function(A){this.m_gravity=A};AU.prototype.GetGravity=function(){return this.m_gravity};AU.prototype.GetGroundBody=function(){return this.m_groundBody};AU.prototype.Step=function(B,E,D){if(B===undefined){B=0}if(E===undefined){E=0}if(D===undefined){D=0}if(this.m_flags&AU.e_newFixture){this.m_contactManager.FindNewContacts();this.m_flags&=~AU.e_newFixture}this.m_flags|=AU.e_locked;var A=AU.s_timestep2;A.dt=B;A.velocityIterations=E;A.positionIterations=D;A.inv_dt=B>0?1/B:0;A.dtRatio=this.m_inv_dt0*B;A.warmStarting=AU.m_warmStarting;this.m_contactManager.Collide();A.dt>0&&this.Solve(A);AU.m_continuousPhysics&&A.dt>0&&this.SolveTOI(A);if(A.dt>0){this.m_inv_dt0=A.inv_dt}this.m_flags&=~AU.e_locked};AU.prototype.ClearForces=function(){for(var A=this.m_bodyList;A;A=A.m_next){A.m_force.SetZero();A.m_torque=0}};AU.prototype.DrawDebugData=function(){if(this.m_debugDraw!=null){this.m_debugDraw.m_sprite.graphics.clear();var D=this.m_debugDraw.GetFlags(),H,E,B;new AC;new AC;new AC;var G;new X;new X;G=[new AC,new AC,new AC,new AC];var F=new AF(0,0,0);if(D&AJ.e_shapeBit){for(H=this.m_bodyList;H;H=H.m_next){G=H.m_xf;for(E=H.GetFixtureList();E;E=E.m_next){B=E.GetShape();if(H.IsActive()==false){F.Set(0.5,0.5,0.3)}else{if(H.GetType()==AS.b2_staticBody){F.Set(0.5,0.9,0.5)}else{if(H.GetType()==AS.b2_kinematicBody){F.Set(0.5,0.5,0.9)}else{H.IsAwake()==false?F.Set(0.6,0.6,0.6):F.Set(0.9,0.7,0.7)}}}this.DrawShape(B,G,F)}}}if(D&AJ.e_jointBit){for(H=this.m_jointList;H;H=H.m_next){this.DrawJoint(H)}}if(D&AJ.e_controllerBit){for(H=this.m_controllerList;H;H=H.m_next){H.Draw(this.m_debugDraw)}}if(D&AJ.e_pairBit){F.Set(0.3,0.9,0.9);for(H=this.m_contactManager.m_contactList;H;H=H.GetNext()){B=H.GetFixtureA();E=H.GetFixtureB();B=B.GetAABB().GetCenter();E=E.GetAABB().GetCenter();this.m_debugDraw.DrawSegment(B,E,F)}}if(D&AJ.e_aabbBit){B=this.m_contactManager.m_broadPhase;G=[new AC,new AC,new AC,new AC];for(H=this.m_bodyList;H;H=H.GetNext()){if(H.IsActive()!=false){for(E=H.GetFixtureList();E;E=E.GetNext()){var A=B.GetFatAABB(E.m_proxy);G[0].Set(A.lowerBound.x,A.lowerBound.y);G[1].Set(A.upperBound.x,A.lowerBound.y);G[2].Set(A.upperBound.x,A.upperBound.y);G[3].Set(A.lowerBound.x,A.upperBound.y);this.m_debugDraw.DrawPolygon(G,4,F)}}}}if(D&AJ.e_centerOfMassBit){for(H=this.m_bodyList;H;H=H.m_next){G=AU.s_xf;G.R=H.m_xf.R;G.position=H.GetWorldCenter();this.m_debugDraw.DrawTransform(G)}}}};AU.prototype.QueryAABB=function(A,D){var B=this.m_contactManager.m_broadPhase;B.Query(function(E){return A(B.GetUserData(E))},D)};AU.prototype.QueryShape=function(B,F,D){if(D===undefined){D=null}if(D==null){D=new AB;D.SetIdentity()}var A=this.m_contactManager.m_broadPhase,E=new X;F.ComputeAABB(E,D);A.Query(function(G){G=A.GetUserData(G) instanceof b?A.GetUserData(G):null;if(J.TestOverlap(F,D,G.GetShape(),G.GetBody().GetTransform())){return B(G)}return true},E)};AU.prototype.QueryPoint=function(B,E){var D=this.m_contactManager.m_broadPhase,A=new X;A.lowerBound.Set(E.x-AN.b2_linearSlop,E.y-AN.b2_linearSlop);A.upperBound.Set(E.x+AN.b2_linearSlop,E.y+AN.b2_linearSlop);D.Query(function(F){F=D.GetUserData(F) instanceof b?D.GetUserData(F):null;if(F.TestPoint(E)){return B(F)}return true},A)};AU.prototype.RayCast=function(B,G,D){var A=this.m_contactManager.m_broadPhase,F=new T,E=new f(G,D);A.RayCast(function(H,M){var L=A.GetUserData(M);L=L instanceof b?L:null;if(L.RayCast(F,H)){var I=F.fraction,K=new AC((1-I)*G.x+I*D.x,(1-I)*G.y+I*D.y);return B(L,K,F.normal,I)}return H.maxFraction},E)};AU.prototype.RayCastOne=function(A,D){var B;this.RayCast(function(F,H,G,E){if(E===undefined){E=0}B=F;return E},A,D);return B};AU.prototype.RayCastAll=function(A,D){var B=new Vector;this.RayCast(function(E){B[B.length]=E;return 1},A,D);return B};AU.prototype.GetBodyList=function(){return this.m_bodyList};AU.prototype.GetJointList=function(){return this.m_jointList};AU.prototype.GetContactList=function(){return this.m_contactList};AU.prototype.IsLocked=function(){return(this.m_flags&AU.e_locked)>0};AU.prototype.Solve=function(D){for(var I,F=this.m_controllerList;F;F=F.m_next){F.Step(D)}F=this.m_island;F.Initialize(this.m_bodyCount,this.m_contactCount,this.m_jointCount,null,this.m_contactManager.m_contactListener,this.m_contactSolver);for(I=this.m_bodyList;I;I=I.m_next){I.m_flags&=~AS.e_islandFlag}for(var B=this.m_contactList;B;B=B.m_next){B.m_flags&=~AR.e_islandFlag}for(B=this.m_jointList;B;B=B.m_next){B.m_islandFlag=false}parseInt(this.m_bodyCount);B=this.s_stack;for(var H=this.m_bodyList;H;H=H.m_next){if(!(H.m_flags&AS.e_islandFlag)){if(!(H.IsAwake()==false||H.IsActive()==false)){if(H.GetType()!=AS.b2_staticBody){F.Clear();var G=0;B[G++]=H;for(H.m_flags|=AS.e_islandFlag;G>0;){I=B[--G];F.AddBody(I);I.IsAwake()==false&&I.SetAwake(true);if(I.GetType()!=AS.b2_staticBody){for(var A,E=I.m_contactList;E;E=E.next){if(!(E.contact.m_flags&AR.e_islandFlag)){if(!(E.contact.IsSensor()==true||E.contact.IsEnabled()==false||E.contact.IsTouching()==false)){F.AddContact(E.contact);E.contact.m_flags|=AR.e_islandFlag;A=E.other;if(!(A.m_flags&AS.e_islandFlag)){B[G++]=A;A.m_flags|=AS.e_islandFlag}}}}for(I=I.m_jointList;I;I=I.next){if(I.joint.m_islandFlag!=true){A=I.other;if(A.IsActive()!=false){F.AddJoint(I.joint);I.joint.m_islandFlag=true;if(!(A.m_flags&AS.e_islandFlag)){B[G++]=A;A.m_flags|=AS.e_islandFlag}}}}}}F.Solve(D,this.m_gravity,this.m_allowSleep);for(G=0;G<F.m_bodyCount;++G){I=F.m_bodies[G];if(I.GetType()==AS.b2_staticBody){I.m_flags&=~AS.e_islandFlag}}}}}}for(G=0;G<B.length;++G){if(!B[G]){break}B[G]=null}for(I=this.m_bodyList;I;I=I.m_next){I.IsAwake()==false||I.IsActive()==false||I.GetType()!=AS.b2_staticBody&&I.SynchronizeFixtures()}this.m_contactManager.FindNewContacts()};AU.prototype.SolveTOI=function(I){var G,D,H,F=this.m_island;F.Initialize(this.m_bodyCount,AN.b2_maxTOIContactsPerIsland,AN.b2_maxTOIJointsPerIsland,null,this.m_contactManager.m_contactListener,this.m_contactSolver);var E=AU.s_queue;for(G=this.m_bodyList;G;G=G.m_next){G.m_flags&=~AS.e_islandFlag;G.m_sweep.t0=0}for(H=this.m_contactList;H;H=H.m_next){H.m_flags&=~(AR.e_toiFlag|AR.e_islandFlag)}for(H=this.m_jointList;H;H=H.m_next){H.m_islandFlag=false}for(;;){var B=null,A=1;for(H=this.m_contactList;H;H=H.m_next){if(!(H.IsSensor()==true||H.IsEnabled()==false||H.IsContinuous()==false)){G=1;if(H.m_flags&AR.e_toiFlag){G=H.m_toi}else{G=H.m_fixtureA;D=H.m_fixtureB;G=G.m_body;D=D.m_body;if((G.GetType()!=AS.b2_dynamicBody||G.IsAwake()==false)&&(D.GetType()!=AS.b2_dynamicBody||D.IsAwake()==false)){continue}var K=G.m_sweep.t0;if(G.m_sweep.t0<D.m_sweep.t0){K=D.m_sweep.t0;G.m_sweep.Advance(K)}else{if(D.m_sweep.t0<G.m_sweep.t0){K=G.m_sweep.t0;D.m_sweep.Advance(K)}}G=H.ComputeTOI(G.m_sweep,D.m_sweep);AN.b2Assert(0<=G&&G<=1);if(G>0&&G<1){G=(1-G)*K+G;if(G>1){G=1}}H.m_toi=G;H.m_flags|=AR.e_toiFlag}if(Number.MIN_VALUE<G&&G<A){B=H;A=G}}}if(B==null||1-100*Number.MIN_VALUE<A){break}G=B.m_fixtureA;D=B.m_fixtureB;G=G.m_body;D=D.m_body;AU.s_backupA.Set(G.m_sweep);AU.s_backupB.Set(D.m_sweep);G.Advance(A);D.Advance(A);B.Update(this.m_contactManager.m_contactListener);B.m_flags&=~AR.e_toiFlag;if(B.IsSensor()==true||B.IsEnabled()==false){G.m_sweep.Set(AU.s_backupA);D.m_sweep.Set(AU.s_backupB);G.SynchronizeTransform();D.SynchronizeTransform()}else{if(B.IsTouching()!=false){G=G;if(G.GetType()!=AS.b2_dynamicBody){G=D}F.Clear();B=H=0;E[H+B++]=G;for(G.m_flags|=AS.e_islandFlag;B>0;){G=E[H++];--B;F.AddBody(G);G.IsAwake()==false&&G.SetAwake(true);if(G.GetType()==AS.b2_dynamicBody){for(D=G.m_contactList;D;D=D.next){if(F.m_contactCount==F.m_contactCapacity){break}if(!(D.contact.m_flags&AR.e_islandFlag)){if(!(D.contact.IsSensor()==true||D.contact.IsEnabled()==false||D.contact.IsTouching()==false)){F.AddContact(D.contact);D.contact.m_flags|=AR.e_islandFlag;K=D.other;if(!(K.m_flags&AS.e_islandFlag)){if(K.GetType()!=AS.b2_staticBody){K.Advance(A);K.SetAwake(true)}E[H+B]=K;++B;K.m_flags|=AS.e_islandFlag}}}}for(G=G.m_jointList;G;G=G.next){if(F.m_jointCount!=F.m_jointCapacity){if(G.joint.m_islandFlag!=true){K=G.other;if(K.IsActive()!=false){F.AddJoint(G.joint);G.joint.m_islandFlag=true;if(!(K.m_flags&AS.e_islandFlag)){if(K.GetType()!=AS.b2_staticBody){K.Advance(A);K.SetAwake(true)}E[H+B]=K;++B;K.m_flags|=AS.e_islandFlag}}}}}}}H=AU.s_timestep;H.warmStarting=false;H.dt=(1-A)*I.dt;H.inv_dt=1/H.dt;H.dtRatio=0;H.velocityIterations=I.velocityIterations;H.positionIterations=I.positionIterations;F.SolveTOI(H);for(A=A=0;A<F.m_bodyCount;++A){G=F.m_bodies[A];G.m_flags&=~AS.e_islandFlag;if(G.IsAwake()!=false){if(G.GetType()==AS.b2_dynamicBody){G.SynchronizeFixtures();for(D=G.m_contactList;D;D=D.next){D.contact.m_flags&=~AR.e_toiFlag}}}}for(A=0;A<F.m_contactCount;++A){H=F.m_contacts[A];H.m_flags&=~(AR.e_toiFlag|AR.e_islandFlag)}for(A=0;A<F.m_jointCount;++A){H=F.m_joints[A];H.m_islandFlag=false}this.m_contactManager.FindNewContacts()}}}};AU.prototype.DrawJoint=function(D){var I=D.GetBodyA(),F=D.GetBodyB(),B=I.m_xf.position,H=F.m_xf.position,G=D.GetAnchorA(),A=D.GetAnchorB(),E=AU.s_jointColor;switch(D.m_type){case AL.e_distanceJoint:this.m_debugDraw.DrawSegment(G,A,E);break;case AL.e_pulleyJoint:I=D instanceof AQ?D:null;D=I.GetGroundAnchorA();I=I.GetGroundAnchorB();this.m_debugDraw.DrawSegment(D,G,E);this.m_debugDraw.DrawSegment(I,A,E);this.m_debugDraw.DrawSegment(D,I,E);break;case AL.e_mouseJoint:this.m_debugDraw.DrawSegment(G,A,E);break;default:I!=this.m_groundBody&&this.m_debugDraw.DrawSegment(B,G,E);this.m_debugDraw.DrawSegment(G,A,E);F!=this.m_groundBody&&this.m_debugDraw.DrawSegment(H,A,E)}};AU.prototype.DrawShape=function(B,G,D){switch(B.m_type){case J.e_circleShape:var A=B instanceof t?B:null;this.m_debugDraw.DrawSolidCircle(AI.MulX(G,A.m_p),A.m_radius,G.R.col1,D);break;case J.e_polygonShape:A=0;A=B instanceof P?B:null;B=parseInt(A.GetVertexCount());var F=A.GetVertices(),E=new Vector(B);for(A=0;A<B;++A){E[A]=AI.MulX(G,F[A])}this.m_debugDraw.DrawSolidPolygon(E,B,D);break;case J.e_edgeShape:A=B instanceof x?B:null;this.m_debugDraw.DrawSegment(AI.MulX(G,A.GetVertex1()),AI.MulX(G,A.GetVertex2()),D)}};Box2D.postDefs.push(function(){Box2D.Dynamics.b2World.s_timestep2=new AV;Box2D.Dynamics.b2World.s_xf=new AB;Box2D.Dynamics.b2World.s_backupA=new AG;Box2D.Dynamics.b2World.s_backupB=new AG;Box2D.Dynamics.b2World.s_timestep=new AV;Box2D.Dynamics.b2World.s_queue=new Vector;Box2D.Dynamics.b2World.s_jointColor=new AF(0.5,0.8,0.8);Box2D.Dynamics.b2World.e_newFixture=1;Box2D.Dynamics.b2World.e_locked=2})})();(function(){var AG=Box2D.Collision.Shapes.b2CircleShape,AE=Box2D.Collision.Shapes.b2EdgeShape,x=Box2D.Collision.Shapes.b2PolygonShape,AA=Box2D.Collision.Shapes.b2Shape,AD=Box2D.Dynamics.Contacts.b2CircleContact,AK=Box2D.Dynamics.Contacts.b2Contact,X=Box2D.Dynamics.Contacts.b2ContactConstraint,AL=Box2D.Dynamics.Contacts.b2ContactConstraintPoint,AJ=Box2D.Dynamics.Contacts.b2ContactEdge,f=Box2D.Dynamics.Contacts.b2ContactFactory,T=Box2D.Dynamics.Contacts.b2ContactRegister,n=Box2D.Dynamics.Contacts.b2ContactResult,o=Box2D.Dynamics.Contacts.b2ContactSolver,AB=Box2D.Dynamics.Contacts.b2EdgeAndCircleContact,P=Box2D.Dynamics.Contacts.b2NullContact,J=Box2D.Dynamics.Contacts.b2PolyAndCircleContact,AN=Box2D.Dynamics.Contacts.b2PolyAndEdgeContact,t=Box2D.Dynamics.Contacts.b2PolygonContact,AF=Box2D.Dynamics.Contacts.b2PositionSolverManifold,AI=Box2D.Dynamics.b2Body,AC=Box2D.Dynamics.b2TimeStep,g=Box2D.Common.b2Settings,AH=Box2D.Common.Math.b2Mat22,e=Box2D.Common.Math.b2Math,m=Box2D.Common.Math.b2Vec2,b=Box2D.Collision.b2Collision,AQ=Box2D.Collision.b2ContactID,C=Box2D.Collision.b2Manifold,AP=Box2D.Collision.b2TimeOfImpact,AO=Box2D.Collision.b2TOIInput,AM=Box2D.Collision.b2WorldManifold;Box2D.inherit(AD,Box2D.Dynamics.Contacts.b2Contact);AD.prototype.__super=Box2D.Dynamics.Contacts.b2Contact.prototype;AD.b2CircleContact=function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};AD.Create=function(){return new AD};AD.Destroy=function(){};AD.prototype.Reset=function(A,B){this.__super.Reset.call(this,A,B)};AD.prototype.Evaluate=function(){var A=this.m_fixtureA.GetBody(),B=this.m_fixtureB.GetBody();b.CollideCircles(this.m_manifold,this.m_fixtureA.GetShape() instanceof AG?this.m_fixtureA.GetShape():null,A.m_xf,this.m_fixtureB.GetShape() instanceof AG?this.m_fixtureB.GetShape():null,B.m_xf)};AK.b2Contact=function(){this.m_nodeA=new AJ;this.m_nodeB=new AJ;this.m_manifold=new C;this.m_oldManifold=new C};AK.prototype.GetManifold=function(){return this.m_manifold};AK.prototype.GetWorldManifold=function(B){var E=this.m_fixtureA.GetBody(),D=this.m_fixtureB.GetBody(),F=this.m_fixtureA.GetShape(),A=this.m_fixtureB.GetShape();B.Initialize(this.m_manifold,E.GetTransform(),F.m_radius,D.GetTransform(),A.m_radius)};AK.prototype.IsTouching=function(){return(this.m_flags&AK.e_touchingFlag)==AK.e_touchingFlag};AK.prototype.IsContinuous=function(){return(this.m_flags&AK.e_continuousFlag)==AK.e_continuousFlag};AK.prototype.SetSensor=function(A){if(A){this.m_flags|=AK.e_sensorFlag}else{this.m_flags&=~AK.e_sensorFlag}};AK.prototype.IsSensor=function(){return(this.m_flags&AK.e_sensorFlag)==AK.e_sensorFlag};AK.prototype.SetEnabled=function(A){if(A){this.m_flags|=AK.e_enabledFlag}else{this.m_flags&=~AK.e_enabledFlag}};AK.prototype.IsEnabled=function(){return(this.m_flags&AK.e_enabledFlag)==AK.e_enabledFlag};AK.prototype.GetNext=function(){return this.m_next};AK.prototype.GetFixtureA=function(){return this.m_fixtureA};AK.prototype.GetFixtureB=function(){return this.m_fixtureB};AK.prototype.FlagForFiltering=function(){this.m_flags|=AK.e_filterFlag};AK.prototype.b2Contact=function(){};AK.prototype.Reset=function(A,D){if(A===undefined){A=null}if(D===undefined){D=null}this.m_flags=AK.e_enabledFlag;if(!A||!D){this.m_fixtureB=this.m_fixtureA=null}else{if(A.IsSensor()||D.IsSensor()){this.m_flags|=AK.e_sensorFlag}var B=A.GetBody(),E=D.GetBody();if(B.GetType()!=AI.b2_dynamicBody||B.IsBullet()||E.GetType()!=AI.b2_dynamicBody||E.IsBullet()){this.m_flags|=AK.e_continuousFlag}this.m_fixtureA=A;this.m_fixtureB=D;this.m_manifold.m_pointCount=0;this.m_next=this.m_prev=null;this.m_nodeA.contact=null;this.m_nodeA.prev=null;this.m_nodeA.next=null;this.m_nodeA.other=null;this.m_nodeB.contact=null;this.m_nodeB.prev=null;this.m_nodeB.next=null;this.m_nodeB.other=null}};AK.prototype.Update=function(E){var B=this.m_oldManifold;this.m_oldManifold=this.m_manifold;this.m_manifold=B;this.m_flags|=AK.e_enabledFlag;var A=false;B=(this.m_flags&AK.e_touchingFlag)==AK.e_touchingFlag;var D=this.m_fixtureA.m_body,L=this.m_fixtureB.m_body,I=this.m_fixtureA.m_aabb.TestOverlap(this.m_fixtureB.m_aabb);if(this.m_flags&AK.e_sensorFlag){if(I){A=this.m_fixtureA.GetShape();I=this.m_fixtureB.GetShape();D=D.GetTransform();L=L.GetTransform();A=AA.TestOverlap(A,D,I,L)}this.m_manifold.m_pointCount=0}else{if(D.GetType()!=AI.b2_dynamicBody||D.IsBullet()||L.GetType()!=AI.b2_dynamicBody||L.IsBullet()){this.m_flags|=AK.e_continuousFlag}else{this.m_flags&=~AK.e_continuousFlag}if(I){this.Evaluate();A=this.m_manifold.m_pointCount>0;for(I=0;I<this.m_manifold.m_pointCount;++I){var F=this.m_manifold.m_points[I];F.m_normalImpulse=0;F.m_tangentImpulse=0;for(var K=F.m_id,H=0;H<this.m_oldManifold.m_pointCount;++H){var G=this.m_oldManifold.m_points[H];if(G.m_id.key==K.key){F.m_normalImpulse=G.m_normalImpulse;F.m_tangentImpulse=G.m_tangentImpulse;break}}}}else{this.m_manifold.m_pointCount=0}if(A!=B){D.SetAwake(true);L.SetAwake(true)}}if(A){this.m_flags|=AK.e_touchingFlag}else{this.m_flags&=~AK.e_touchingFlag}B==false&&A==true&&E.BeginContact(this);B==true&&A==false&&E.EndContact(this);(this.m_flags&AK.e_sensorFlag)==0&&E.PreSolve(this,this.m_oldManifold)};AK.prototype.Evaluate=function(){};AK.prototype.ComputeTOI=function(A,B){AK.s_input.proxyA.Set(this.m_fixtureA.GetShape());AK.s_input.proxyB.Set(this.m_fixtureB.GetShape());AK.s_input.sweepA=A;AK.s_input.sweepB=B;AK.s_input.tolerance=g.b2_linearSlop;return AP.TimeOfImpact(AK.s_input)};Box2D.postDefs.push(function(){Box2D.Dynamics.Contacts.b2Contact.e_sensorFlag=1;Box2D.Dynamics.Contacts.b2Contact.e_continuousFlag=2;Box2D.Dynamics.Contacts.b2Contact.e_islandFlag=4;Box2D.Dynamics.Contacts.b2Contact.e_toiFlag=8;Box2D.Dynamics.Contacts.b2Contact.e_touchingFlag=16;Box2D.Dynamics.Contacts.b2Contact.e_enabledFlag=32;Box2D.Dynamics.Contacts.b2Contact.e_filterFlag=64;Box2D.Dynamics.Contacts.b2Contact.s_input=new AO});X.b2ContactConstraint=function(){this.localPlaneNormal=new m;this.localPoint=new m;this.normal=new m;this.normalMass=new AH;this.K=new AH};X.prototype.b2ContactConstraint=function(){this.points=new Vector(g.b2_maxManifoldPoints);for(var A=0;A<g.b2_maxManifoldPoints;A++){this.points[A]=new AL}};AL.b2ContactConstraintPoint=function(){this.localPoint=new m;this.rA=new m;this.rB=new m};AJ.b2ContactEdge=function(){};f.b2ContactFactory=function(){};f.prototype.b2ContactFactory=function(A){this.m_allocator=A;this.InitializeRegisters()};f.prototype.AddType=function(A,D,B,E){if(B===undefined){B=0}if(E===undefined){E=0}this.m_registers[B][E].createFcn=A;this.m_registers[B][E].destroyFcn=D;this.m_registers[B][E].primary=true;if(B!=E){this.m_registers[E][B].createFcn=A;this.m_registers[E][B].destroyFcn=D;this.m_registers[E][B].primary=false}};f.prototype.InitializeRegisters=function(){this.m_registers=new Vector(AA.e_shapeTypeCount);for(var A=0;A<AA.e_shapeTypeCount;A++){this.m_registers[A]=new Vector(AA.e_shapeTypeCount);for(var B=0;B<AA.e_shapeTypeCount;B++){this.m_registers[A][B]=new T}}this.AddType(AD.Create,AD.Destroy,AA.e_circleShape,AA.e_circleShape);this.AddType(J.Create,J.Destroy,AA.e_polygonShape,AA.e_circleShape);this.AddType(t.Create,t.Destroy,AA.e_polygonShape,AA.e_polygonShape);this.AddType(AB.Create,AB.Destroy,AA.e_edgeShape,AA.e_circleShape);this.AddType(AN.Create,AN.Destroy,AA.e_polygonShape,AA.e_edgeShape)};f.prototype.Create=function(A,D){var B=parseInt(A.GetType()),E=parseInt(D.GetType());B=this.m_registers[B][E];if(B.pool){E=B.pool;B.pool=E.m_next;B.poolCount--;E.Reset(A,D);return E}E=B.createFcn;if(E!=null){if(B.primary){E=E(this.m_allocator);E.Reset(A,D)}else{E=E(this.m_allocator);E.Reset(D,A)}return E}else{return null}};f.prototype.Destroy=function(A){if(A.m_manifold.m_pointCount>0){A.m_fixtureA.m_body.SetAwake(true);A.m_fixtureB.m_body.SetAwake(true)}var D=parseInt(A.m_fixtureA.GetType()),B=parseInt(A.m_fixtureB.GetType());D=this.m_registers[D][B];D.poolCount++;A.m_next=D.pool;D.pool=A;D=D.destroyFcn;D(A,this.m_allocator)};T.b2ContactRegister=function(){};n.b2ContactResult=function(){this.position=new m;this.normal=new m;this.id=new AQ};o.b2ContactSolver=function(){this.m_step=new AC;this.m_constraints=new Vector};o.prototype.b2ContactSolver=function(){};o.prototype.Initialize=function(V,R,O,S){if(O===undefined){O=0}var l;this.m_step.Set(V);this.m_allocator=S;V=0;for(this.m_constraintCount=O;this.m_constraints.length<this.m_constraintCount;){this.m_constraints[this.m_constraints.length]=new X}for(V=0;V<O;++V){l=R[V];S=l.m_fixtureA;var h=l.m_fixtureB,W=S.m_shape.m_radius,k=h.m_shape.m_radius,Z=S.m_body,Y=h.m_body,U=l.GetManifold(),N=g.b2MixFriction(S.GetFriction(),h.GetFriction()),L=g.b2MixRestitution(S.GetRestitution(),h.GetRestitution()),I=Z.m_linearVelocity.x,K=Z.m_linearVelocity.y,H=Y.m_linearVelocity.x,M=Y.m_linearVelocity.y,G=Z.m_angularVelocity,B=Y.m_angularVelocity;g.b2Assert(U.m_pointCount>0);o.s_worldManifold.Initialize(U,Z.m_xf,W,Y.m_xf,k);h=o.s_worldManifold.m_normal.x;l=o.s_worldManifold.m_normal.y;S=this.m_constraints[V];S.bodyA=Z;S.bodyB=Y;S.manifold=U;S.normal.x=h;S.normal.y=l;S.pointCount=U.m_pointCount;S.friction=N;S.restitution=L;S.localPlaneNormal.x=U.m_localPlaneNormal.x;S.localPlaneNormal.y=U.m_localPlaneNormal.y;S.localPoint.x=U.m_localPoint.x;S.localPoint.y=U.m_localPoint.y;S.radius=W+k;S.type=U.m_type;for(W=0;W<S.pointCount;++W){N=U.m_points[W];k=S.points[W];k.normalImpulse=N.m_normalImpulse;k.tangentImpulse=N.m_tangentImpulse;k.localPoint.SetV(N.m_localPoint);N=k.rA.x=o.s_worldManifold.m_points[W].x-Z.m_sweep.c.x;L=k.rA.y=o.s_worldManifold.m_points[W].y-Z.m_sweep.c.y;var F=k.rB.x=o.s_worldManifold.m_points[W].x-Y.m_sweep.c.x,A=k.rB.y=o.s_worldManifold.m_points[W].y-Y.m_sweep.c.y,D=N*l-L*h,E=F*l-A*h;D*=D;E*=E;k.normalMass=1/(Z.m_invMass+Y.m_invMass+Z.m_invI*D+Y.m_invI*E);var Q=Z.m_mass*Z.m_invMass+Y.m_mass*Y.m_invMass;Q+=Z.m_mass*Z.m_invI*D+Y.m_mass*Y.m_invI*E;k.equalizedMass=1/Q;E=l;Q=-h;D=N*Q-L*E;E=F*Q-A*E;D*=D;E*=E;k.tangentMass=1/(Z.m_invMass+Y.m_invMass+Z.m_invI*D+Y.m_invI*E);k.velocityBias=0;N=S.normal.x*(H+-B*A-I- -G*L)+S.normal.y*(M+B*F-K-G*N);if(N<-g.b2_velocityThreshold){k.velocityBias+=-S.restitution*N}}if(S.pointCount==2){M=S.points[0];H=S.points[1];U=Z.m_invMass;Z=Z.m_invI;I=Y.m_invMass;Y=Y.m_invI;K=M.rA.x*l-M.rA.y*h;M=M.rB.x*l-M.rB.y*h;G=H.rA.x*l-H.rA.y*h;H=H.rB.x*l-H.rB.y*h;h=U+I+Z*K*K+Y*M*M;l=U+I+Z*G*G+Y*H*H;Y=U+I+Z*K*G+Y*M*H;if(h*h<100*(h*l-Y*Y)){S.K.col1.Set(h,Y);S.K.col2.Set(Y,l);S.K.GetInverse(S.normalMass)}else{S.pointCount=1}}}};o.prototype.InitVelocityConstraints=function(N){for(var K=0;K<this.m_constraintCount;++K){var I=this.m_constraints[K],L=I.bodyA,V=I.bodyB,S=L.m_invMass,O=L.m_invI,U=V.m_invMass,R=V.m_invI,Q=I.normal.x,M=I.normal.y,H=M,F=-Q,D=0,E=0;if(N.warmStarting){E=I.pointCount;for(D=0;D<E;++D){var B=I.points[D];B.normalImpulse*=N.dtRatio;B.tangentImpulse*=N.dtRatio;var G=B.normalImpulse*Q+B.tangentImpulse*H,A=B.normalImpulse*M+B.tangentImpulse*F;L.m_angularVelocity-=O*(B.rA.x*A-B.rA.y*G);L.m_linearVelocity.x-=S*G;L.m_linearVelocity.y-=S*A;V.m_angularVelocity+=R*(B.rB.x*A-B.rB.y*G);V.m_linearVelocity.x+=U*G;V.m_linearVelocity.y+=U*A}}else{E=I.pointCount;for(D=0;D<E;++D){L=I.points[D];L.normalImpulse=0;L.tangentImpulse=0}}}};o.prototype.SolveVelocityConstraints=function(){for(var V=0,R,O=0,S=0,l=0,h=S=S=O=O=0,W=O=O=0,k=O=l=0,Z=0,Y,U=0;U<this.m_constraintCount;++U){l=this.m_constraints[U];var N=l.bodyA,L=l.bodyB,I=N.m_angularVelocity,K=L.m_angularVelocity,H=N.m_linearVelocity,M=L.m_linearVelocity,G=N.m_invMass,B=N.m_invI,F=L.m_invMass,A=L.m_invI;k=l.normal.x;var D=Z=l.normal.y;Y=-k;W=l.friction;for(V=0;V<l.pointCount;V++){R=l.points[V];O=M.x-K*R.rB.y-H.x+I*R.rA.y;S=M.y+K*R.rB.x-H.y-I*R.rA.x;O=O*D+S*Y;O=R.tangentMass*-O;S=W*R.normalImpulse;S=e.Clamp(R.tangentImpulse+O,-S,S);O=S-R.tangentImpulse;h=O*D;O=O*Y;H.x-=G*h;H.y-=G*O;I-=B*(R.rA.x*O-R.rA.y*h);M.x+=F*h;M.y+=F*O;K+=A*(R.rB.x*O-R.rB.y*h);R.tangentImpulse=S}parseInt(l.pointCount);if(l.pointCount==1){R=l.points[0];O=M.x+-K*R.rB.y-H.x- -I*R.rA.y;S=M.y+K*R.rB.x-H.y-I*R.rA.x;l=O*k+S*Z;O=-R.normalMass*(l-R.velocityBias);S=R.normalImpulse+O;S=S>0?S:0;O=S-R.normalImpulse;h=O*k;O=O*Z;H.x-=G*h;H.y-=G*O;I-=B*(R.rA.x*O-R.rA.y*h);M.x+=F*h;M.y+=F*O;K+=A*(R.rB.x*O-R.rB.y*h);R.normalImpulse=S}else{R=l.points[0];V=l.points[1];O=R.normalImpulse;W=V.normalImpulse;var E=(M.x-K*R.rB.y-H.x+I*R.rA.y)*k+(M.y+K*R.rB.x-H.y-I*R.rA.x)*Z,Q=(M.x-K*V.rB.y-H.x+I*V.rA.y)*k+(M.y+K*V.rB.x-H.y-I*V.rA.x)*Z;S=E-R.velocityBias;h=Q-V.velocityBias;Y=l.K;S-=Y.col1.x*O+Y.col2.x*W;for(h-=Y.col1.y*O+Y.col2.y*W;;){Y=l.normalMass;D=-(Y.col1.x*S+Y.col2.x*h);Y=-(Y.col1.y*S+Y.col2.y*h);if(D>=0&&Y>=0){O=D-O;W=Y-W;l=O*k;O=O*Z;k=W*k;Z=W*Z;H.x-=G*(l+k);H.y-=G*(O+Z);I-=B*(R.rA.x*O-R.rA.y*l+V.rA.x*Z-V.rA.y*k);M.x+=F*(l+k);M.y+=F*(O+Z);K+=A*(R.rB.x*O-R.rB.y*l+V.rB.x*Z-V.rB.y*k);R.normalImpulse=D;V.normalImpulse=Y;break}D=-R.normalMass*S;Y=0;Q=l.K.col1.y*D+h;if(D>=0&&Q>=0){O=D-O;W=Y-W;l=O*k;O=O*Z;k=W*k;Z=W*Z;H.x-=G*(l+k);H.y-=G*(O+Z);I-=B*(R.rA.x*O-R.rA.y*l+V.rA.x*Z-V.rA.y*k);M.x+=F*(l+k);M.y+=F*(O+Z);K+=A*(R.rB.x*O-R.rB.y*l+V.rB.x*Z-V.rB.y*k);R.normalImpulse=D;V.normalImpulse=Y;break}D=0;Y=-V.normalMass*h;E=l.K.col2.x*Y+S;if(Y>=0&&E>=0){O=D-O;W=Y-W;l=O*k;O=O*Z;k=W*k;Z=W*Z;H.x-=G*(l+k);H.y-=G*(O+Z);I-=B*(R.rA.x*O-R.rA.y*l+V.rA.x*Z-V.rA.y*k);M.x+=F*(l+k);M.y+=F*(O+Z);K+=A*(R.rB.x*O-R.rB.y*l+V.rB.x*Z-V.rB.y*k);R.normalImpulse=D;V.normalImpulse=Y;break}Y=D=0;E=S;Q=h;if(E>=0&&Q>=0){O=D-O;W=Y-W;l=O*k;O=O*Z;k=W*k;Z=W*Z;H.x-=G*(l+k);H.y-=G*(O+Z);I-=B*(R.rA.x*O-R.rA.y*l+V.rA.x*Z-V.rA.y*k);M.x+=F*(l+k);M.y+=F*(O+Z);K+=A*(R.rB.x*O-R.rB.y*l+V.rB.x*Z-V.rB.y*k);R.normalImpulse=D;V.normalImpulse=Y;break}break}}N.m_angularVelocity=I;L.m_angularVelocity=K}};o.prototype.FinalizeVelocityConstraints=function(){for(var B=0;B<this.m_constraintCount;++B){for(var E=this.m_constraints[B],D=E.manifold,G=0;G<E.pointCount;++G){var A=D.m_points[G],F=E.points[G];A.m_normalImpulse=F.normalImpulse;A.m_tangentImpulse=F.tangentImpulse}}};o.prototype.SolvePositionConstraints=function(N){if(N===undefined){N=0}for(var K=0,I=0;I<this.m_constraintCount;I++){var L=this.m_constraints[I],V=L.bodyA,S=L.bodyB,O=V.m_mass*V.m_invMass,U=V.m_mass*V.m_invI,R=S.m_mass*S.m_invMass,Q=S.m_mass*S.m_invI;o.s_psm.Initialize(L);for(var M=o.s_psm.m_normal,H=0;H<L.pointCount;H++){var F=L.points[H],D=o.s_psm.m_points[H],E=o.s_psm.m_separations[H],B=D.x-V.m_sweep.c.x,G=D.y-V.m_sweep.c.y,A=D.x-S.m_sweep.c.x;D=D.y-S.m_sweep.c.y;K=K<E?K:E;E=e.Clamp(N*(E+g.b2_linearSlop),-g.b2_maxLinearCorrection,0);E=-F.equalizedMass*E;F=E*M.x;E=E*M.y;V.m_sweep.c.x-=O*F;V.m_sweep.c.y-=O*E;V.m_sweep.a-=U*(B*E-G*F);V.SynchronizeTransform();S.m_sweep.c.x+=R*F;S.m_sweep.c.y+=R*E;S.m_sweep.a+=Q*(A*E-D*F);S.SynchronizeTransform()}}return K>-1.5*g.b2_linearSlop};Box2D.postDefs.push(function(){Box2D.Dynamics.Contacts.b2ContactSolver.s_worldManifold=new AM;Box2D.Dynamics.Contacts.b2ContactSolver.s_psm=new AF});Box2D.inherit(AB,Box2D.Dynamics.Contacts.b2Contact);AB.prototype.__super=Box2D.Dynamics.Contacts.b2Contact.prototype;AB.b2EdgeAndCircleContact=function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};AB.Create=function(){return new AB};AB.Destroy=function(){};AB.prototype.Reset=function(A,B){this.__super.Reset.call(this,A,B)};AB.prototype.Evaluate=function(){var A=this.m_fixtureA.GetBody(),B=this.m_fixtureB.GetBody();this.b2CollideEdgeAndCircle(this.m_manifold,this.m_fixtureA.GetShape() instanceof AE?this.m_fixtureA.GetShape():null,A.m_xf,this.m_fixtureB.GetShape() instanceof AG?this.m_fixtureB.GetShape():null,B.m_xf)};AB.prototype.b2CollideEdgeAndCircle=function(){};Box2D.inherit(P,Box2D.Dynamics.Contacts.b2Contact);P.prototype.__super=Box2D.Dynamics.Contacts.b2Contact.prototype;P.b2NullContact=function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};P.prototype.b2NullContact=function(){this.__super.b2Contact.call(this)};P.prototype.Evaluate=function(){};Box2D.inherit(J,Box2D.Dynamics.Contacts.b2Contact);J.prototype.__super=Box2D.Dynamics.Contacts.b2Contact.prototype;J.b2PolyAndCircleContact=function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};J.Create=function(){return new J};J.Destroy=function(){};J.prototype.Reset=function(A,B){this.__super.Reset.call(this,A,B);g.b2Assert(A.GetType()==AA.e_polygonShape);g.b2Assert(B.GetType()==AA.e_circleShape)};J.prototype.Evaluate=function(){var A=this.m_fixtureA.m_body,B=this.m_fixtureB.m_body;b.CollidePolygonAndCircle(this.m_manifold,this.m_fixtureA.GetShape() instanceof x?this.m_fixtureA.GetShape():null,A.m_xf,this.m_fixtureB.GetShape() instanceof AG?this.m_fixtureB.GetShape():null,B.m_xf)};Box2D.inherit(AN,Box2D.Dynamics.Contacts.b2Contact);AN.prototype.__super=Box2D.Dynamics.Contacts.b2Contact.prototype;AN.b2PolyAndEdgeContact=function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};AN.Create=function(){return new AN};AN.Destroy=function(){};AN.prototype.Reset=function(A,B){this.__super.Reset.call(this,A,B);g.b2Assert(A.GetType()==AA.e_polygonShape);g.b2Assert(B.GetType()==AA.e_edgeShape)};AN.prototype.Evaluate=function(){var A=this.m_fixtureA.GetBody(),B=this.m_fixtureB.GetBody();this.b2CollidePolyAndEdge(this.m_manifold,this.m_fixtureA.GetShape() instanceof x?this.m_fixtureA.GetShape():null,A.m_xf,this.m_fixtureB.GetShape() instanceof AE?this.m_fixtureB.GetShape():null,B.m_xf)};AN.prototype.b2CollidePolyAndEdge=function(){};Box2D.inherit(t,Box2D.Dynamics.Contacts.b2Contact);t.prototype.__super=Box2D.Dynamics.Contacts.b2Contact.prototype;t.b2PolygonContact=function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};t.Create=function(){return new t};t.Destroy=function(){};t.prototype.Reset=function(A,B){this.__super.Reset.call(this,A,B)};t.prototype.Evaluate=function(){var A=this.m_fixtureA.GetBody(),B=this.m_fixtureB.GetBody();b.CollidePolygons(this.m_manifold,this.m_fixtureA.GetShape() instanceof x?this.m_fixtureA.GetShape():null,A.m_xf,this.m_fixtureB.GetShape() instanceof x?this.m_fixtureB.GetShape():null,B.m_xf)};AF.b2PositionSolverManifold=function(){};AF.prototype.b2PositionSolverManifold=function(){this.m_normal=new m;this.m_separations=new Vector_a2j_Number(g.b2_maxManifoldPoints);this.m_points=new Vector(g.b2_maxManifoldPoints);for(var A=0;A<g.b2_maxManifoldPoints;A++){this.m_points[A]=new m}};AF.prototype.Initialize=function(D){g.b2Assert(D.pointCount>0);var G=0,F=0,I=0,B,H=0,E=0;switch(D.type){case C.e_circles:B=D.bodyA.m_xf.R;I=D.localPoint;G=D.bodyA.m_xf.position.x+(B.col1.x*I.x+B.col2.x*I.y);F=D.bodyA.m_xf.position.y+(B.col1.y*I.x+B.col2.y*I.y);B=D.bodyB.m_xf.R;I=D.points[0].localPoint;H=D.bodyB.m_xf.position.x+(B.col1.x*I.x+B.col2.x*I.y);B=D.bodyB.m_xf.position.y+(B.col1.y*I.x+B.col2.y*I.y);I=H-G;E=B-F;var A=I*I+E*E;if(A>Number.MIN_VALUE*Number.MIN_VALUE){A=Math.sqrt(A);this.m_normal.x=I/A;this.m_normal.y=E/A}else{this.m_normal.x=1;this.m_normal.y=0}this.m_points[0].x=0.5*(G+H);this.m_points[0].y=0.5*(F+B);this.m_separations[0]=I*this.m_normal.x+E*this.m_normal.y-D.radius;break;case C.e_faceA:B=D.bodyA.m_xf.R;I=D.localPlaneNormal;this.m_normal.x=B.col1.x*I.x+B.col2.x*I.y;this.m_normal.y=B.col1.y*I.x+B.col2.y*I.y;B=D.bodyA.m_xf.R;I=D.localPoint;H=D.bodyA.m_xf.position.x+(B.col1.x*I.x+B.col2.x*I.y);E=D.bodyA.m_xf.position.y+(B.col1.y*I.x+B.col2.y*I.y);B=D.bodyB.m_xf.R;for(G=0;G<D.pointCount;++G){I=D.points[G].localPoint;F=D.bodyB.m_xf.position.x+(B.col1.x*I.x+B.col2.x*I.y);I=D.bodyB.m_xf.position.y+(B.col1.y*I.x+B.col2.y*I.y);this.m_separations[G]=(F-H)*this.m_normal.x+(I-E)*this.m_normal.y-D.radius;this.m_points[G].x=F;this.m_points[G].y=I}break;case C.e_faceB:B=D.bodyB.m_xf.R;I=D.localPlaneNormal;this.m_normal.x=B.col1.x*I.x+B.col2.x*I.y;this.m_normal.y=B.col1.y*I.x+B.col2.y*I.y;B=D.bodyB.m_xf.R;I=D.localPoint;H=D.bodyB.m_xf.position.x+(B.col1.x*I.x+B.col2.x*I.y);E=D.bodyB.m_xf.position.y+(B.col1.y*I.x+B.col2.y*I.y);B=D.bodyA.m_xf.R;for(G=0;G<D.pointCount;++G){I=D.points[G].localPoint;F=D.bodyA.m_xf.position.x+(B.col1.x*I.x+B.col2.x*I.y);I=D.bodyA.m_xf.position.y+(B.col1.y*I.x+B.col2.y*I.y);this.m_separations[G]=(F-H)*this.m_normal.x+(I-E)*this.m_normal.y-D.radius;this.m_points[G].Set(F,I)}this.m_normal.x*=-1;this.m_normal.y*=-1}};Box2D.postDefs.push(function(){Box2D.Dynamics.Contacts.b2PositionSolverManifold.circlePointA=new m;Box2D.Dynamics.Contacts.b2PositionSolverManifold.circlePointB=new m})})();(function(){var P=Box2D.Common.Math.b2Mat22,O=Box2D.Common.Math.b2Math,M=Box2D.Common.Math.b2Vec2,L=Box2D.Common.b2Color,N=Box2D.Dynamics.Controllers.b2BuoyancyController,E=Box2D.Dynamics.Controllers.b2ConstantAccelController,I=Box2D.Dynamics.Controllers.b2ConstantForceController,D=Box2D.Dynamics.Controllers.b2Controller,C=Box2D.Dynamics.Controllers.b2ControllerEdge,J=Box2D.Dynamics.Controllers.b2GravityController,H=Box2D.Dynamics.Controllers.b2TensorDampingController;Box2D.inherit(N,Box2D.Dynamics.Controllers.b2Controller);N.prototype.__super=Box2D.Dynamics.Controllers.b2Controller.prototype;N.b2BuoyancyController=function(){Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this,arguments);this.normal=new M(0,-1);this.density=this.offset=0;this.velocity=new M(0,0);this.linearDrag=2;this.angularDrag=1;this.useDensity=false;this.useWorldGravity=true;this.gravity=null};N.prototype.Step=function(){if(this.m_bodyList){if(this.useWorldGravity){this.gravity=this.GetWorld().GetGravity().Copy()}for(var K=this.m_bodyList;K;K=K.nextBody){var R=K.body;if(R.IsAwake()!=false){for(var S=new M,F=new M,B=0,G=0,Q=R.GetFixtureList();Q;Q=Q.GetNext()){var U=new M,A=Q.GetShape().ComputeSubmergedArea(this.normal,this.offset,R.GetTransform(),U);B+=A;S.x+=A*U.x;S.y+=A*U.y;var T=0;T=1;G+=A*T;F.x+=A*U.x*T;F.y+=A*U.y*T}S.x/=B;S.y/=B;F.x/=G;F.y/=G;if(!(B<Number.MIN_VALUE)){G=this.gravity.GetNegative();G.Multiply(this.density*B);R.ApplyForce(G,F);F=R.GetLinearVelocityFromWorldPoint(S);F.Subtract(this.velocity);F.Multiply(-this.linearDrag*B);R.ApplyForce(F,S);R.ApplyTorque(-R.GetInertia()/R.GetMass()*B*R.GetAngularVelocity()*this.angularDrag)}}}}};N.prototype.Draw=function(G){var B=new M,F=new M;B.x=this.normal.x*this.offset+this.normal.y*1000;B.y=this.normal.y*this.offset-this.normal.x*1000;F.x=this.normal.x*this.offset-this.normal.y*1000;F.y=this.normal.y*this.offset+this.normal.x*1000;var A=new L(0,0,1);G.DrawSegment(B,F,A)};Box2D.inherit(E,Box2D.Dynamics.Controllers.b2Controller);E.prototype.__super=Box2D.Dynamics.Controllers.b2Controller.prototype;E.b2ConstantAccelController=function(){Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this,arguments);this.A=new M(0,0)};E.prototype.Step=function(F){F=new M(this.A.x*F.dt,this.A.y*F.dt);for(var A=this.m_bodyList;A;A=A.nextBody){var B=A.body;B.IsAwake()&&B.SetLinearVelocity(new M(B.GetLinearVelocity().x+F.x,B.GetLinearVelocity().y+F.y))}};Box2D.inherit(I,Box2D.Dynamics.Controllers.b2Controller);I.prototype.__super=Box2D.Dynamics.Controllers.b2Controller.prototype;I.b2ConstantForceController=function(){Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this,arguments);this.F=new M(0,0)};I.prototype.Step=function(){for(var B=this.m_bodyList;B;B=B.nextBody){var A=B.body;A.IsAwake()&&A.ApplyForce(this.F,A.GetWorldCenter())}};D.b2Controller=function(){};D.prototype.Step=function(){};D.prototype.Draw=function(){};D.prototype.AddBody=function(B){var A=new C;A.controller=this;A.body=B;A.nextBody=this.m_bodyList;A.prevBody=null;this.m_bodyList=A;if(A.nextBody){A.nextBody.prevBody=A}this.m_bodyCount++;A.nextController=B.m_controllerList;A.prevController=null;B.m_controllerList=A;if(A.nextController){A.nextController.prevController=A}B.m_controllerCount++};D.prototype.RemoveBody=function(B){for(var A=B.m_controllerList;A&&A.controller!=this;){A=A.nextController}if(A.prevBody){A.prevBody.nextBody=A.nextBody}if(A.nextBody){A.nextBody.prevBody=A.prevBody}if(A.nextController){A.nextController.prevController=A.prevController}if(A.prevController){A.prevController.nextController=A.nextController}if(this.m_bodyList==A){this.m_bodyList=A.nextBody}if(B.m_controllerList==A){B.m_controllerList=A.nextController}B.m_controllerCount--;this.m_bodyCount--};D.prototype.Clear=function(){for(;this.m_bodyList;){this.RemoveBody(this.m_bodyList.body)}};D.prototype.GetNext=function(){return this.m_next};D.prototype.GetWorld=function(){return this.m_world};D.prototype.GetBodyList=function(){return this.m_bodyList};C.b2ControllerEdge=function(){};Box2D.inherit(J,Box2D.Dynamics.Controllers.b2Controller);J.prototype.__super=Box2D.Dynamics.Controllers.b2Controller.prototype;J.b2GravityController=function(){Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this,arguments);this.G=1;this.invSqr=true};J.prototype.Step=function(){var K=null,R=null,S=null,F=0,B=null,G=null,Q=null,U=0,A=0,T=0;U=null;if(this.invSqr){for(K=this.m_bodyList;K;K=K.nextBody){R=K.body;S=R.GetWorldCenter();F=R.GetMass();for(B=this.m_bodyList;B!=K;B=B.nextBody){G=B.body;Q=G.GetWorldCenter();U=Q.x-S.x;A=Q.y-S.y;T=U*U+A*A;if(!(T<Number.MIN_VALUE)){U=new M(U,A);U.Multiply(this.G/T/Math.sqrt(T)*F*G.GetMass());R.IsAwake()&&R.ApplyForce(U,S);U.Multiply(-1);G.IsAwake()&&G.ApplyForce(U,Q)}}}}else{for(K=this.m_bodyList;K;K=K.nextBody){R=K.body;S=R.GetWorldCenter();F=R.GetMass();for(B=this.m_bodyList;B!=K;B=B.nextBody){G=B.body;Q=G.GetWorldCenter();U=Q.x-S.x;A=Q.y-S.y;T=U*U+A*A;if(!(T<Number.MIN_VALUE)){U=new M(U,A);U.Multiply(this.G/T*F*G.GetMass());R.IsAwake()&&R.ApplyForce(U,S);U.Multiply(-1);G.IsAwake()&&G.ApplyForce(U,Q)}}}}};Box2D.inherit(H,Box2D.Dynamics.Controllers.b2Controller);H.prototype.__super=Box2D.Dynamics.Controllers.b2Controller.prototype;H.b2TensorDampingController=function(){Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this,arguments);this.T=new P;this.maxTimestep=0};H.prototype.SetAxisAligned=function(B,A){if(B===undefined){B=0}if(A===undefined){A=0}this.T.col1.x=-B;this.T.col1.y=0;this.T.col2.x=0;this.T.col2.y=-A;this.maxTimestep=B>0||A>0?1/Math.max(B,A):0};H.prototype.Step=function(G){G=G.dt;if(!(G<=Number.MIN_VALUE)){if(G>this.maxTimestep&&this.maxTimestep>0){G=this.maxTimestep}for(var B=this.m_bodyList;B;B=B.nextBody){var F=B.body;if(F.IsAwake()){var A=F.GetWorldVector(O.MulMV(this.T,F.GetLocalVector(F.GetLinearVelocity())));F.SetLinearVelocity(new M(F.GetLinearVelocity().x+A.x*G,F.GetLinearVelocity().y+A.y*G))}}}}})();(function(){var AE=Box2D.Common.b2Settings,AC=Box2D.Common.Math.b2Mat22,o=Box2D.Common.Math.b2Mat33,t=Box2D.Common.Math.b2Math,AB=Box2D.Common.Math.b2Vec2,AI=Box2D.Common.Math.b2Vec3,X=Box2D.Dynamics.Joints.b2DistanceJoint,AJ=Box2D.Dynamics.Joints.b2DistanceJointDef,AH=Box2D.Dynamics.Joints.b2FrictionJoint,f=Box2D.Dynamics.Joints.b2FrictionJointDef,T=Box2D.Dynamics.Joints.b2GearJoint,l=Box2D.Dynamics.Joints.b2GearJointDef,m=Box2D.Dynamics.Joints.b2Jacobian,x=Box2D.Dynamics.Joints.b2Joint,P=Box2D.Dynamics.Joints.b2JointDef,J=Box2D.Dynamics.Joints.b2JointEdge,AK=Box2D.Dynamics.Joints.b2LineJoint,n=Box2D.Dynamics.Joints.b2LineJointDef,AD=Box2D.Dynamics.Joints.b2MouseJoint,AG=Box2D.Dynamics.Joints.b2MouseJointDef,AA=Box2D.Dynamics.Joints.b2PrismaticJoint,g=Box2D.Dynamics.Joints.b2PrismaticJointDef,AF=Box2D.Dynamics.Joints.b2PulleyJoint,e=Box2D.Dynamics.Joints.b2PulleyJointDef,h=Box2D.Dynamics.Joints.b2RevoluteJoint,b=Box2D.Dynamics.Joints.b2RevoluteJointDef,AL=Box2D.Dynamics.Joints.b2WeldJoint,C=Box2D.Dynamics.Joints.b2WeldJointDef;Box2D.inherit(X,Box2D.Dynamics.Joints.b2Joint);X.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;X.b2DistanceJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_localAnchor1=new AB;this.m_localAnchor2=new AB;this.m_u=new AB};X.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};X.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};X.prototype.GetReactionForce=function(A){if(A===undefined){A=0}return new AB(A*this.m_impulse*this.m_u.x,A*this.m_impulse*this.m_u.y)};X.prototype.GetReactionTorque=function(){return 0};X.prototype.GetLength=function(){return this.m_length};X.prototype.SetLength=function(A){if(A===undefined){A=0}this.m_length=A};X.prototype.GetFrequency=function(){return this.m_frequencyHz};X.prototype.SetFrequency=function(A){if(A===undefined){A=0}this.m_frequencyHz=A};X.prototype.GetDampingRatio=function(){return this.m_dampingRatio};X.prototype.SetDampingRatio=function(A){if(A===undefined){A=0}this.m_dampingRatio=A};X.prototype.b2DistanceJoint=function(A){this.__super.b2Joint.call(this,A);this.m_localAnchor1.SetV(A.localAnchorA);this.m_localAnchor2.SetV(A.localAnchorB);this.m_length=A.length;this.m_frequencyHz=A.frequencyHz;this.m_dampingRatio=A.dampingRatio;this.m_bias=this.m_gamma=this.m_impulse=0};X.prototype.InitVelocityConstraints=function(I){var G,E=0,F=this.m_bodyA,B=this.m_bodyB;G=F.m_xf.R;var A=this.m_localAnchor1.x-F.m_sweep.localCenter.x,D=this.m_localAnchor1.y-F.m_sweep.localCenter.y;E=G.col1.x*A+G.col2.x*D;D=G.col1.y*A+G.col2.y*D;A=E;G=B.m_xf.R;var M=this.m_localAnchor2.x-B.m_sweep.localCenter.x,K=this.m_localAnchor2.y-B.m_sweep.localCenter.y;E=G.col1.x*M+G.col2.x*K;K=G.col1.y*M+G.col2.y*K;M=E;this.m_u.x=B.m_sweep.c.x+M-F.m_sweep.c.x-A;this.m_u.y=B.m_sweep.c.y+K-F.m_sweep.c.y-D;E=Math.sqrt(this.m_u.x*this.m_u.x+this.m_u.y*this.m_u.y);E>AE.b2_linearSlop?this.m_u.Multiply(1/E):this.m_u.SetZero();G=A*this.m_u.y-D*this.m_u.x;var H=M*this.m_u.y-K*this.m_u.x;G=F.m_invMass+F.m_invI*G*G+B.m_invMass+B.m_invI*H*H;this.m_mass=G!=0?1/G:0;if(this.m_frequencyHz>0){E=E-this.m_length;H=2*Math.PI*this.m_frequencyHz;var L=this.m_mass*H*H;this.m_gamma=I.dt*(2*this.m_mass*this.m_dampingRatio*H+I.dt*L);this.m_gamma=this.m_gamma!=0?1/this.m_gamma:0;this.m_bias=E*I.dt*L*this.m_gamma;this.m_mass=G+this.m_gamma;this.m_mass=this.m_mass!=0?1/this.m_mass:0}if(I.warmStarting){this.m_impulse*=I.dtRatio;I=this.m_impulse*this.m_u.x;G=this.m_impulse*this.m_u.y;F.m_linearVelocity.x-=F.m_invMass*I;F.m_linearVelocity.y-=F.m_invMass*G;F.m_angularVelocity-=F.m_invI*(A*G-D*I);B.m_linearVelocity.x+=B.m_invMass*I;B.m_linearVelocity.y+=B.m_invMass*G;B.m_angularVelocity+=B.m_invI*(M*G-K*I)}else{this.m_impulse=0}};X.prototype.SolveVelocityConstraints=function(){var H,E=this.m_bodyA,B=this.m_bodyB;H=E.m_xf.R;var D=this.m_localAnchor1.x-E.m_sweep.localCenter.x,G=this.m_localAnchor1.y-E.m_sweep.localCenter.y,F=H.col1.x*D+H.col2.x*G;G=H.col1.y*D+H.col2.y*G;D=F;H=B.m_xf.R;var I=this.m_localAnchor2.x-B.m_sweep.localCenter.x,A=this.m_localAnchor2.y-B.m_sweep.localCenter.y;F=H.col1.x*I+H.col2.x*A;A=H.col1.y*I+H.col2.y*A;I=F;F=-this.m_mass*(this.m_u.x*(B.m_linearVelocity.x+-B.m_angularVelocity*A-(E.m_linearVelocity.x+-E.m_angularVelocity*G))+this.m_u.y*(B.m_linearVelocity.y+B.m_angularVelocity*I-(E.m_linearVelocity.y+E.m_angularVelocity*D))+this.m_bias+this.m_gamma*this.m_impulse);this.m_impulse+=F;H=F*this.m_u.x;F=F*this.m_u.y;E.m_linearVelocity.x-=E.m_invMass*H;E.m_linearVelocity.y-=E.m_invMass*F;E.m_angularVelocity-=E.m_invI*(D*F-G*H);B.m_linearVelocity.x+=B.m_invMass*H;B.m_linearVelocity.y+=B.m_invMass*F;B.m_angularVelocity+=B.m_invI*(I*F-A*H)};X.prototype.SolvePositionConstraints=function(){var I;if(this.m_frequencyHz>0){return true}var G=this.m_bodyA,E=this.m_bodyB;I=G.m_xf.R;var F=this.m_localAnchor1.x-G.m_sweep.localCenter.x,B=this.m_localAnchor1.y-G.m_sweep.localCenter.y,A=I.col1.x*F+I.col2.x*B;B=I.col1.y*F+I.col2.y*B;F=A;I=E.m_xf.R;var D=this.m_localAnchor2.x-E.m_sweep.localCenter.x,L=this.m_localAnchor2.y-E.m_sweep.localCenter.y;A=I.col1.x*D+I.col2.x*L;L=I.col1.y*D+I.col2.y*L;D=A;A=E.m_sweep.c.x+D-G.m_sweep.c.x-F;var K=E.m_sweep.c.y+L-G.m_sweep.c.y-B;I=Math.sqrt(A*A+K*K);A/=I;K/=I;I=I-this.m_length;I=t.Clamp(I,-AE.b2_maxLinearCorrection,AE.b2_maxLinearCorrection);var H=-this.m_mass*I;this.m_u.Set(A,K);A=H*this.m_u.x;K=H*this.m_u.y;G.m_sweep.c.x-=G.m_invMass*A;G.m_sweep.c.y-=G.m_invMass*K;G.m_sweep.a-=G.m_invI*(F*K-B*A);E.m_sweep.c.x+=E.m_invMass*A;E.m_sweep.c.y+=E.m_invMass*K;E.m_sweep.a+=E.m_invI*(D*K-L*A);G.SynchronizeTransform();E.SynchronizeTransform();return t.Abs(I)<AE.b2_linearSlop};Box2D.inherit(AJ,Box2D.Dynamics.Joints.b2JointDef);AJ.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;AJ.b2DistanceJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=new AB;this.localAnchorB=new AB};AJ.prototype.b2DistanceJointDef=function(){this.__super.b2JointDef.call(this);this.type=x.e_distanceJoint;this.length=1;this.dampingRatio=this.frequencyHz=0};AJ.prototype.Initialize=function(E,D,A,B){this.bodyA=E;this.bodyB=D;this.localAnchorA.SetV(this.bodyA.GetLocalPoint(A));this.localAnchorB.SetV(this.bodyB.GetLocalPoint(B));E=B.x-A.x;A=B.y-A.y;this.length=Math.sqrt(E*E+A*A);this.dampingRatio=this.frequencyHz=0};Box2D.inherit(AH,Box2D.Dynamics.Joints.b2Joint);AH.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;AH.b2FrictionJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_localAnchorA=new AB;this.m_localAnchorB=new AB;this.m_linearMass=new AC;this.m_linearImpulse=new AB};AH.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA)};AH.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB)};AH.prototype.GetReactionForce=function(A){if(A===undefined){A=0}return new AB(A*this.m_linearImpulse.x,A*this.m_linearImpulse.y)};AH.prototype.GetReactionTorque=function(A){if(A===undefined){A=0}return A*this.m_angularImpulse};AH.prototype.SetMaxForce=function(A){if(A===undefined){A=0}this.m_maxForce=A};AH.prototype.GetMaxForce=function(){return this.m_maxForce};AH.prototype.SetMaxTorque=function(A){if(A===undefined){A=0}this.m_maxTorque=A};AH.prototype.GetMaxTorque=function(){return this.m_maxTorque};AH.prototype.b2FrictionJoint=function(A){this.__super.b2Joint.call(this,A);this.m_localAnchorA.SetV(A.localAnchorA);this.m_localAnchorB.SetV(A.localAnchorB);this.m_linearMass.SetZero();this.m_angularMass=0;this.m_linearImpulse.SetZero();this.m_angularImpulse=0;this.m_maxForce=A.maxForce;this.m_maxTorque=A.maxTorque};AH.prototype.InitVelocityConstraints=function(K){var G,E=0,F=this.m_bodyA,B=this.m_bodyB;G=F.m_xf.R;var A=this.m_localAnchorA.x-F.m_sweep.localCenter.x,D=this.m_localAnchorA.y-F.m_sweep.localCenter.y;E=G.col1.x*A+G.col2.x*D;D=G.col1.y*A+G.col2.y*D;A=E;G=B.m_xf.R;var N=this.m_localAnchorB.x-B.m_sweep.localCenter.x,L=this.m_localAnchorB.y-B.m_sweep.localCenter.y;E=G.col1.x*N+G.col2.x*L;L=G.col1.y*N+G.col2.y*L;N=E;G=F.m_invMass;E=B.m_invMass;var H=F.m_invI,M=B.m_invI,I=new AC;I.col1.x=G+E;I.col2.x=0;I.col1.y=0;I.col2.y=G+E;I.col1.x+=H*D*D;I.col2.x+=-H*A*D;I.col1.y+=-H*A*D;I.col2.y+=H*A*A;I.col1.x+=M*L*L;I.col2.x+=-M*N*L;I.col1.y+=-M*N*L;I.col2.y+=M*N*N;I.GetInverse(this.m_linearMass);this.m_angularMass=H+M;if(this.m_angularMass>0){this.m_angularMass=1/this.m_angularMass}if(K.warmStarting){this.m_linearImpulse.x*=K.dtRatio;this.m_linearImpulse.y*=K.dtRatio;this.m_angularImpulse*=K.dtRatio;K=this.m_linearImpulse;F.m_linearVelocity.x-=G*K.x;F.m_linearVelocity.y-=G*K.y;F.m_angularVelocity-=H*(A*K.y-D*K.x+this.m_angularImpulse);B.m_linearVelocity.x+=E*K.x;B.m_linearVelocity.y+=E*K.y;B.m_angularVelocity+=M*(N*K.y-L*K.x+this.m_angularImpulse)}else{this.m_linearImpulse.SetZero();this.m_angularImpulse=0}};AH.prototype.SolveVelocityConstraints=function(R){var M,K=0,L=this.m_bodyA,G=this.m_bodyB,F=L.m_linearVelocity,H=L.m_angularVelocity,V=G.m_linearVelocity,S=G.m_angularVelocity,N=L.m_invMass,U=G.m_invMass,Q=L.m_invI,O=G.m_invI;M=L.m_xf.R;var I=this.m_localAnchorA.x-L.m_sweep.localCenter.x,E=this.m_localAnchorA.y-L.m_sweep.localCenter.y;K=M.col1.x*I+M.col2.x*E;E=M.col1.y*I+M.col2.y*E;I=K;M=G.m_xf.R;var D=this.m_localAnchorB.x-G.m_sweep.localCenter.x,A=this.m_localAnchorB.y-G.m_sweep.localCenter.y;K=M.col1.x*D+M.col2.x*A;A=M.col1.y*D+M.col2.y*A;D=K;M=0;K=-this.m_angularMass*(S-H);var B=this.m_angularImpulse;M=R.dt*this.m_maxTorque;this.m_angularImpulse=t.Clamp(this.m_angularImpulse+K,-M,M);K=this.m_angularImpulse-B;H-=Q*K;S+=O*K;M=t.MulMV(this.m_linearMass,new AB(-(V.x-S*A-F.x+H*E),-(V.y+S*D-F.y-H*I)));K=this.m_linearImpulse.Copy();this.m_linearImpulse.Add(M);M=R.dt*this.m_maxForce;if(this.m_linearImpulse.LengthSquared()>M*M){this.m_linearImpulse.Normalize();this.m_linearImpulse.Multiply(M)}M=t.SubtractVV(this.m_linearImpulse,K);F.x-=N*M.x;F.y-=N*M.y;H-=Q*(I*M.y-E*M.x);V.x+=U*M.x;V.y+=U*M.y;S+=O*(D*M.y-A*M.x);L.m_angularVelocity=H;G.m_angularVelocity=S};AH.prototype.SolvePositionConstraints=function(){return true};Box2D.inherit(f,Box2D.Dynamics.Joints.b2JointDef);f.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;f.b2FrictionJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=new AB;this.localAnchorB=new AB};f.prototype.b2FrictionJointDef=function(){this.__super.b2JointDef.call(this);this.type=x.e_frictionJoint;this.maxTorque=this.maxForce=0};f.prototype.Initialize=function(D,B,A){this.bodyA=D;this.bodyB=B;this.localAnchorA.SetV(this.bodyA.GetLocalPoint(A));this.localAnchorB.SetV(this.bodyB.GetLocalPoint(A))};Box2D.inherit(T,Box2D.Dynamics.Joints.b2Joint);T.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;T.b2GearJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_groundAnchor1=new AB;this.m_groundAnchor2=new AB;this.m_localAnchor1=new AB;this.m_localAnchor2=new AB;this.m_J=new m};T.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};T.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};T.prototype.GetReactionForce=function(A){if(A===undefined){A=0}return new AB(A*this.m_impulse*this.m_J.linearB.x,A*this.m_impulse*this.m_J.linearB.y)};T.prototype.GetReactionTorque=function(F){if(F===undefined){F=0}var D=this.m_bodyB.m_xf.R,A=this.m_localAnchor1.x-this.m_bodyB.m_sweep.localCenter.x,B=this.m_localAnchor1.y-this.m_bodyB.m_sweep.localCenter.y,E=D.col1.x*A+D.col2.x*B;B=D.col1.y*A+D.col2.y*B;A=E;return F*(this.m_impulse*this.m_J.angularB-A*this.m_impulse*this.m_J.linearB.y+B*this.m_impulse*this.m_J.linearB.x)};T.prototype.GetRatio=function(){return this.m_ratio};T.prototype.SetRatio=function(A){if(A===undefined){A=0}this.m_ratio=A};T.prototype.b2GearJoint=function(F){this.__super.b2Joint.call(this,F);var D=parseInt(F.joint1.m_type),A=parseInt(F.joint2.m_type);this.m_prismatic2=this.m_revolute2=this.m_prismatic1=this.m_revolute1=null;var B=0,E=0;this.m_ground1=F.joint1.GetBodyA();this.m_bodyA=F.joint1.GetBodyB();if(D==x.e_revoluteJoint){this.m_revolute1=F.joint1 instanceof h?F.joint1:null;this.m_groundAnchor1.SetV(this.m_revolute1.m_localAnchor1);this.m_localAnchor1.SetV(this.m_revolute1.m_localAnchor2);B=this.m_revolute1.GetJointAngle()}else{this.m_prismatic1=F.joint1 instanceof AA?F.joint1:null;this.m_groundAnchor1.SetV(this.m_prismatic1.m_localAnchor1);this.m_localAnchor1.SetV(this.m_prismatic1.m_localAnchor2);B=this.m_prismatic1.GetJointTranslation()}this.m_ground2=F.joint2.GetBodyA();this.m_bodyB=F.joint2.GetBodyB();if(A==x.e_revoluteJoint){this.m_revolute2=F.joint2 instanceof h?F.joint2:null;this.m_groundAnchor2.SetV(this.m_revolute2.m_localAnchor1);this.m_localAnchor2.SetV(this.m_revolute2.m_localAnchor2);E=this.m_revolute2.GetJointAngle()}else{this.m_prismatic2=F.joint2 instanceof AA?F.joint2:null;this.m_groundAnchor2.SetV(this.m_prismatic2.m_localAnchor1);this.m_localAnchor2.SetV(this.m_prismatic2.m_localAnchor2);E=this.m_prismatic2.GetJointTranslation()}this.m_ratio=F.ratio;this.m_constant=B+this.m_ratio*E;this.m_impulse=0};T.prototype.InitVelocityConstraints=function(I){var G=this.m_ground1,E=this.m_ground2,F=this.m_bodyA,B=this.m_bodyB,A=0,D=0,M=0,K=0,H=M=0,L=0;this.m_J.SetZero();if(this.m_revolute1){this.m_J.angularA=-1;L+=F.m_invI}else{G=G.m_xf.R;D=this.m_prismatic1.m_localXAxis1;A=G.col1.x*D.x+G.col2.x*D.y;D=G.col1.y*D.x+G.col2.y*D.y;G=F.m_xf.R;M=this.m_localAnchor1.x-F.m_sweep.localCenter.x;K=this.m_localAnchor1.y-F.m_sweep.localCenter.y;H=G.col1.x*M+G.col2.x*K;K=G.col1.y*M+G.col2.y*K;M=H;M=M*D-K*A;this.m_J.linearA.Set(-A,-D);this.m_J.angularA=-M;L+=F.m_invMass+F.m_invI*M*M}if(this.m_revolute2){this.m_J.angularB=-this.m_ratio;L+=this.m_ratio*this.m_ratio*B.m_invI}else{G=E.m_xf.R;D=this.m_prismatic2.m_localXAxis1;A=G.col1.x*D.x+G.col2.x*D.y;D=G.col1.y*D.x+G.col2.y*D.y;G=B.m_xf.R;M=this.m_localAnchor2.x-B.m_sweep.localCenter.x;K=this.m_localAnchor2.y-B.m_sweep.localCenter.y;H=G.col1.x*M+G.col2.x*K;K=G.col1.y*M+G.col2.y*K;M=H;M=M*D-K*A;this.m_J.linearB.Set(-this.m_ratio*A,-this.m_ratio*D);this.m_J.angularB=-this.m_ratio*M;L+=this.m_ratio*this.m_ratio*(B.m_invMass+B.m_invI*M*M)}this.m_mass=L>0?1/L:0;if(I.warmStarting){F.m_linearVelocity.x+=F.m_invMass*this.m_impulse*this.m_J.linearA.x;F.m_linearVelocity.y+=F.m_invMass*this.m_impulse*this.m_J.linearA.y;F.m_angularVelocity+=F.m_invI*this.m_impulse*this.m_J.angularA;B.m_linearVelocity.x+=B.m_invMass*this.m_impulse*this.m_J.linearB.x;B.m_linearVelocity.y+=B.m_invMass*this.m_impulse*this.m_J.linearB.y;B.m_angularVelocity+=B.m_invI*this.m_impulse*this.m_J.angularB}else{this.m_impulse=0}};T.prototype.SolveVelocityConstraints=function(){var D=this.m_bodyA,B=this.m_bodyB,A=-this.m_mass*this.m_J.Compute(D.m_linearVelocity,D.m_angularVelocity,B.m_linearVelocity,B.m_angularVelocity);this.m_impulse+=A;D.m_linearVelocity.x+=D.m_invMass*A*this.m_J.linearA.x;D.m_linearVelocity.y+=D.m_invMass*A*this.m_J.linearA.y;D.m_angularVelocity+=D.m_invI*A*this.m_J.angularA;B.m_linearVelocity.x+=B.m_invMass*A*this.m_J.linearB.x;B.m_linearVelocity.y+=B.m_invMass*A*this.m_J.linearB.y;B.m_angularVelocity+=B.m_invI*A*this.m_J.angularB};T.prototype.SolvePositionConstraints=function(){var E=this.m_bodyA,D=this.m_bodyB,A=0,B=0;A=this.m_revolute1?this.m_revolute1.GetJointAngle():this.m_prismatic1.GetJointTranslation();B=this.m_revolute2?this.m_revolute2.GetJointAngle():this.m_prismatic2.GetJointTranslation();A=-this.m_mass*(this.m_constant-(A+this.m_ratio*B));E.m_sweep.c.x+=E.m_invMass*A*this.m_J.linearA.x;E.m_sweep.c.y+=E.m_invMass*A*this.m_J.linearA.y;E.m_sweep.a+=E.m_invI*A*this.m_J.angularA;D.m_sweep.c.x+=D.m_invMass*A*this.m_J.linearB.x;D.m_sweep.c.y+=D.m_invMass*A*this.m_J.linearB.y;D.m_sweep.a+=D.m_invI*A*this.m_J.angularB;E.SynchronizeTransform();D.SynchronizeTransform();return 0<AE.b2_linearSlop};Box2D.inherit(l,Box2D.Dynamics.Joints.b2JointDef);l.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;l.b2GearJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments)};l.prototype.b2GearJointDef=function(){this.__super.b2JointDef.call(this);this.type=x.e_gearJoint;this.joint2=this.joint1=null;this.ratio=1};m.b2Jacobian=function(){this.linearA=new AB;this.linearB=new AB};m.prototype.SetZero=function(){this.linearA.SetZero();this.angularA=0;this.linearB.SetZero();this.angularB=0};m.prototype.Set=function(E,D,A,B){if(D===undefined){D=0}if(B===undefined){B=0}this.linearA.SetV(E);this.angularA=D;this.linearB.SetV(A);this.angularB=B};m.prototype.Compute=function(E,D,A,B){if(D===undefined){D=0}if(B===undefined){B=0}return this.linearA.x*E.x+this.linearA.y*E.y+this.angularA*D+(this.linearB.x*A.x+this.linearB.y*A.y)+this.angularB*B};x.b2Joint=function(){this.m_edgeA=new J;this.m_edgeB=new J;this.m_localCenterA=new AB;this.m_localCenterB=new AB};x.prototype.GetType=function(){return this.m_type};x.prototype.GetAnchorA=function(){return null};x.prototype.GetAnchorB=function(){return null};x.prototype.GetReactionForce=function(){return null};x.prototype.GetReactionTorque=function(){return 0};x.prototype.GetBodyA=function(){return this.m_bodyA};x.prototype.GetBodyB=function(){return this.m_bodyB};x.prototype.GetNext=function(){return this.m_next};x.prototype.GetUserData=function(){return this.m_userData};x.prototype.SetUserData=function(A){this.m_userData=A};x.prototype.IsActive=function(){return this.m_bodyA.IsActive()&&this.m_bodyB.IsActive()};x.Create=function(B){var A=null;switch(B.type){case x.e_distanceJoint:A=new X(B instanceof AJ?B:null);break;case x.e_mouseJoint:A=new AD(B instanceof AG?B:null);break;case x.e_prismaticJoint:A=new AA(B instanceof g?B:null);break;case x.e_revoluteJoint:A=new h(B instanceof b?B:null);break;case x.e_pulleyJoint:A=new AF(B instanceof e?B:null);break;case x.e_gearJoint:A=new T(B instanceof l?B:null);break;case x.e_lineJoint:A=new AK(B instanceof n?B:null);break;case x.e_weldJoint:A=new AL(B instanceof C?B:null);break;case x.e_frictionJoint:A=new AH(B instanceof f?B:null)}return A};x.Destroy=function(){};x.prototype.b2Joint=function(A){AE.b2Assert(A.bodyA!=A.bodyB);this.m_type=A.type;this.m_next=this.m_prev=null;this.m_bodyA=A.bodyA;this.m_bodyB=A.bodyB;this.m_collideConnected=A.collideConnected;this.m_islandFlag=false;this.m_userData=A.userData};x.prototype.InitVelocityConstraints=function(){};x.prototype.SolveVelocityConstraints=function(){};x.prototype.FinalizeVelocityConstraints=function(){};x.prototype.SolvePositionConstraints=function(){return false};Box2D.postDefs.push(function(){Box2D.Dynamics.Joints.b2Joint.e_unknownJoint=0;Box2D.Dynamics.Joints.b2Joint.e_revoluteJoint=1;Box2D.Dynamics.Joints.b2Joint.e_prismaticJoint=2;Box2D.Dynamics.Joints.b2Joint.e_distanceJoint=3;Box2D.Dynamics.Joints.b2Joint.e_pulleyJoint=4;Box2D.Dynamics.Joints.b2Joint.e_mouseJoint=5;Box2D.Dynamics.Joints.b2Joint.e_gearJoint=6;Box2D.Dynamics.Joints.b2Joint.e_lineJoint=7;Box2D.Dynamics.Joints.b2Joint.e_weldJoint=8;Box2D.Dynamics.Joints.b2Joint.e_frictionJoint=9;Box2D.Dynamics.Joints.b2Joint.e_inactiveLimit=0;Box2D.Dynamics.Joints.b2Joint.e_atLowerLimit=1;Box2D.Dynamics.Joints.b2Joint.e_atUpperLimit=2;Box2D.Dynamics.Joints.b2Joint.e_equalLimits=3});P.b2JointDef=function(){};P.prototype.b2JointDef=function(){this.type=x.e_unknownJoint;this.bodyB=this.bodyA=this.userData=null;this.collideConnected=false};J.b2JointEdge=function(){};Box2D.inherit(AK,Box2D.Dynamics.Joints.b2Joint);AK.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;AK.b2LineJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_localAnchor1=new AB;this.m_localAnchor2=new AB;this.m_localXAxis1=new AB;this.m_localYAxis1=new AB;this.m_axis=new AB;this.m_perp=new AB;this.m_K=new AC;this.m_impulse=new AB};AK.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};AK.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};AK.prototype.GetReactionForce=function(A){if(A===undefined){A=0}return new AB(A*(this.m_impulse.x*this.m_perp.x+(this.m_motorImpulse+this.m_impulse.y)*this.m_axis.x),A*(this.m_impulse.x*this.m_perp.y+(this.m_motorImpulse+this.m_impulse.y)*this.m_axis.y))};AK.prototype.GetReactionTorque=function(A){if(A===undefined){A=0}return A*this.m_impulse.y};AK.prototype.GetJointTranslation=function(){var E=this.m_bodyA,D=this.m_bodyB,A=E.GetWorldPoint(this.m_localAnchor1),B=D.GetWorldPoint(this.m_localAnchor2);D=B.x-A.x;A=B.y-A.y;E=E.GetWorldVector(this.m_localXAxis1);return E.x*D+E.y*A};AK.prototype.GetJointSpeed=function(){var I=this.m_bodyA,G=this.m_bodyB,E;E=I.m_xf.R;var F=this.m_localAnchor1.x-I.m_sweep.localCenter.x,B=this.m_localAnchor1.y-I.m_sweep.localCenter.y,A=E.col1.x*F+E.col2.x*B;B=E.col1.y*F+E.col2.y*B;F=A;E=G.m_xf.R;var D=this.m_localAnchor2.x-G.m_sweep.localCenter.x,M=this.m_localAnchor2.y-G.m_sweep.localCenter.y;A=E.col1.x*D+E.col2.x*M;M=E.col1.y*D+E.col2.y*M;D=A;E=G.m_sweep.c.x+D-(I.m_sweep.c.x+F);A=G.m_sweep.c.y+M-(I.m_sweep.c.y+B);var K=I.GetWorldVector(this.m_localXAxis1),H=I.m_linearVelocity,L=G.m_linearVelocity;I=I.m_angularVelocity;G=G.m_angularVelocity;return E*-I*K.y+A*I*K.x+(K.x*(L.x+-G*M-H.x- -I*B)+K.y*(L.y+G*D-H.y-I*F))};AK.prototype.IsLimitEnabled=function(){return this.m_enableLimit};AK.prototype.EnableLimit=function(A){this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_enableLimit=A};AK.prototype.GetLowerLimit=function(){return this.m_lowerTranslation};AK.prototype.GetUpperLimit=function(){return this.m_upperTranslation};AK.prototype.SetLimits=function(B,A){if(B===undefined){B=0}if(A===undefined){A=0}this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_lowerTranslation=B;this.m_upperTranslation=A};AK.prototype.IsMotorEnabled=function(){return this.m_enableMotor};AK.prototype.EnableMotor=function(A){this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_enableMotor=A};AK.prototype.SetMotorSpeed=function(A){if(A===undefined){A=0}this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_motorSpeed=A};AK.prototype.GetMotorSpeed=function(){return this.m_motorSpeed};AK.prototype.SetMaxMotorForce=function(A){if(A===undefined){A=0}this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_maxMotorForce=A};AK.prototype.GetMaxMotorForce=function(){return this.m_maxMotorForce};AK.prototype.GetMotorForce=function(){return this.m_motorImpulse};AK.prototype.b2LineJoint=function(A){this.__super.b2Joint.call(this,A);this.m_localAnchor1.SetV(A.localAnchorA);this.m_localAnchor2.SetV(A.localAnchorB);this.m_localXAxis1.SetV(A.localAxisA);this.m_localYAxis1.x=-this.m_localXAxis1.y;this.m_localYAxis1.y=this.m_localXAxis1.x;this.m_impulse.SetZero();this.m_motorImpulse=this.m_motorMass=0;this.m_lowerTranslation=A.lowerTranslation;this.m_upperTranslation=A.upperTranslation;this.m_maxMotorForce=A.maxMotorForce;this.m_motorSpeed=A.motorSpeed;this.m_enableLimit=A.enableLimit;this.m_enableMotor=A.enableMotor;this.m_limitState=x.e_inactiveLimit;this.m_axis.SetZero();this.m_perp.SetZero()};AK.prototype.InitVelocityConstraints=function(I){var G=this.m_bodyA,E=this.m_bodyB,F,B=0;this.m_localCenterA.SetV(G.GetLocalCenter());this.m_localCenterB.SetV(E.GetLocalCenter());var A=G.GetTransform();E.GetTransform();F=G.m_xf.R;var D=this.m_localAnchor1.x-this.m_localCenterA.x,L=this.m_localAnchor1.y-this.m_localCenterA.y;B=F.col1.x*D+F.col2.x*L;L=F.col1.y*D+F.col2.y*L;D=B;F=E.m_xf.R;var K=this.m_localAnchor2.x-this.m_localCenterB.x,H=this.m_localAnchor2.y-this.m_localCenterB.y;B=F.col1.x*K+F.col2.x*H;H=F.col1.y*K+F.col2.y*H;K=B;F=E.m_sweep.c.x+K-G.m_sweep.c.x-D;B=E.m_sweep.c.y+H-G.m_sweep.c.y-L;this.m_invMassA=G.m_invMass;this.m_invMassB=E.m_invMass;this.m_invIA=G.m_invI;this.m_invIB=E.m_invI;this.m_axis.SetV(t.MulMV(A.R,this.m_localXAxis1));this.m_a1=(F+D)*this.m_axis.y-(B+L)*this.m_axis.x;this.m_a2=K*this.m_axis.y-H*this.m_axis.x;this.m_motorMass=this.m_invMassA+this.m_invMassB+this.m_invIA*this.m_a1*this.m_a1+this.m_invIB*this.m_a2*this.m_a2;this.m_motorMass=this.m_motorMass>Number.MIN_VALUE?1/this.m_motorMass:0;this.m_perp.SetV(t.MulMV(A.R,this.m_localYAxis1));this.m_s1=(F+D)*this.m_perp.y-(B+L)*this.m_perp.x;this.m_s2=K*this.m_perp.y-H*this.m_perp.x;A=this.m_invMassA;D=this.m_invMassB;L=this.m_invIA;K=this.m_invIB;this.m_K.col1.x=A+D+L*this.m_s1*this.m_s1+K*this.m_s2*this.m_s2;this.m_K.col1.y=L*this.m_s1*this.m_a1+K*this.m_s2*this.m_a2;this.m_K.col2.x=this.m_K.col1.y;this.m_K.col2.y=A+D+L*this.m_a1*this.m_a1+K*this.m_a2*this.m_a2;if(this.m_enableLimit){F=this.m_axis.x*F+this.m_axis.y*B;if(t.Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*AE.b2_linearSlop){this.m_limitState=x.e_equalLimits}else{if(F<=this.m_lowerTranslation){if(this.m_limitState!=x.e_atLowerLimit){this.m_limitState=x.e_atLowerLimit;this.m_impulse.y=0}}else{if(F>=this.m_upperTranslation){if(this.m_limitState!=x.e_atUpperLimit){this.m_limitState=x.e_atUpperLimit;this.m_impulse.y=0}}else{this.m_limitState=x.e_inactiveLimit;this.m_impulse.y=0}}}}else{this.m_limitState=x.e_inactiveLimit}if(this.m_enableMotor==false){this.m_motorImpulse=0}if(I.warmStarting){this.m_impulse.x*=I.dtRatio;this.m_impulse.y*=I.dtRatio;this.m_motorImpulse*=I.dtRatio;I=this.m_impulse.x*this.m_perp.x+(this.m_motorImpulse+this.m_impulse.y)*this.m_axis.x;F=this.m_impulse.x*this.m_perp.y+(this.m_motorImpulse+this.m_impulse.y)*this.m_axis.y;B=this.m_impulse.x*this.m_s1+(this.m_motorImpulse+this.m_impulse.y)*this.m_a1;A=this.m_impulse.x*this.m_s2+(this.m_motorImpulse+this.m_impulse.y)*this.m_a2;G.m_linearVelocity.x-=this.m_invMassA*I;G.m_linearVelocity.y-=this.m_invMassA*F;G.m_angularVelocity-=this.m_invIA*B;E.m_linearVelocity.x+=this.m_invMassB*I;E.m_linearVelocity.y+=this.m_invMassB*F;E.m_angularVelocity+=this.m_invIB*A}else{this.m_impulse.SetZero();this.m_motorImpulse=0}};AK.prototype.SolveVelocityConstraints=function(I){var G=this.m_bodyA,E=this.m_bodyB,F=G.m_linearVelocity,B=G.m_angularVelocity,A=E.m_linearVelocity,D=E.m_angularVelocity,M=0,K=0,H=0,L=0;if(this.m_enableMotor&&this.m_limitState!=x.e_equalLimits){L=this.m_motorMass*(this.m_motorSpeed-(this.m_axis.x*(A.x-F.x)+this.m_axis.y*(A.y-F.y)+this.m_a2*D-this.m_a1*B));M=this.m_motorImpulse;K=I.dt*this.m_maxMotorForce;this.m_motorImpulse=t.Clamp(this.m_motorImpulse+L,-K,K);L=this.m_motorImpulse-M;M=L*this.m_axis.x;K=L*this.m_axis.y;H=L*this.m_a1;L=L*this.m_a2;F.x-=this.m_invMassA*M;F.y-=this.m_invMassA*K;B-=this.m_invIA*H;A.x+=this.m_invMassB*M;A.y+=this.m_invMassB*K;D+=this.m_invIB*L}K=this.m_perp.x*(A.x-F.x)+this.m_perp.y*(A.y-F.y)+this.m_s2*D-this.m_s1*B;if(this.m_enableLimit&&this.m_limitState!=x.e_inactiveLimit){H=this.m_axis.x*(A.x-F.x)+this.m_axis.y*(A.y-F.y)+this.m_a2*D-this.m_a1*B;M=this.m_impulse.Copy();I=this.m_K.Solve(new AB,-K,-H);this.m_impulse.Add(I);if(this.m_limitState==x.e_atLowerLimit){this.m_impulse.y=t.Max(this.m_impulse.y,0)}else{if(this.m_limitState==x.e_atUpperLimit){this.m_impulse.y=t.Min(this.m_impulse.y,0)}}K=-K-(this.m_impulse.y-M.y)*this.m_K.col2.x;H=0;H=this.m_K.col1.x!=0?K/this.m_K.col1.x+M.x:M.x;this.m_impulse.x=H;I.x=this.m_impulse.x-M.x;I.y=this.m_impulse.y-M.y;M=I.x*this.m_perp.x+I.y*this.m_axis.x;K=I.x*this.m_perp.y+I.y*this.m_axis.y;H=I.x*this.m_s1+I.y*this.m_a1;L=I.x*this.m_s2+I.y*this.m_a2}else{I=0;I=this.m_K.col1.x!=0?-K/this.m_K.col1.x:0;this.m_impulse.x+=I;M=I*this.m_perp.x;K=I*this.m_perp.y;H=I*this.m_s1;L=I*this.m_s2}F.x-=this.m_invMassA*M;F.y-=this.m_invMassA*K;B-=this.m_invIA*H;A.x+=this.m_invMassB*M;A.y+=this.m_invMassB*K;D+=this.m_invIB*L;G.m_linearVelocity.SetV(F);G.m_angularVelocity=B;E.m_linearVelocity.SetV(A);E.m_angularVelocity=D};AK.prototype.SolvePositionConstraints=function(){var N=this.m_bodyA,I=this.m_bodyB,G=N.m_sweep.c,H=N.m_sweep.a,D=I.m_sweep.c,B=I.m_sweep.a,E,R=0,O=0,K=0,Q=0,M=E=0,L=0;O=false;var F=0,A=AC.FromAngle(H);K=AC.FromAngle(B);E=A;L=this.m_localAnchor1.x-this.m_localCenterA.x;var U=this.m_localAnchor1.y-this.m_localCenterA.y;R=E.col1.x*L+E.col2.x*U;U=E.col1.y*L+E.col2.y*U;L=R;E=K;K=this.m_localAnchor2.x-this.m_localCenterB.x;Q=this.m_localAnchor2.y-this.m_localCenterB.y;R=E.col1.x*K+E.col2.x*Q;Q=E.col1.y*K+E.col2.y*Q;K=R;E=D.x+K-G.x-L;R=D.y+Q-G.y-U;if(this.m_enableLimit){this.m_axis=t.MulMV(A,this.m_localXAxis1);this.m_a1=(E+L)*this.m_axis.y-(R+U)*this.m_axis.x;this.m_a2=K*this.m_axis.y-Q*this.m_axis.x;var S=this.m_axis.x*E+this.m_axis.y*R;if(t.Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*AE.b2_linearSlop){F=t.Clamp(S,-AE.b2_maxLinearCorrection,AE.b2_maxLinearCorrection);M=t.Abs(S);O=true}else{if(S<=this.m_lowerTranslation){F=t.Clamp(S-this.m_lowerTranslation+AE.b2_linearSlop,-AE.b2_maxLinearCorrection,0);M=this.m_lowerTranslation-S;O=true}else{if(S>=this.m_upperTranslation){F=t.Clamp(S-this.m_upperTranslation+AE.b2_linearSlop,0,AE.b2_maxLinearCorrection);M=S-this.m_upperTranslation;O=true}}}}this.m_perp=t.MulMV(A,this.m_localYAxis1);this.m_s1=(E+L)*this.m_perp.y-(R+U)*this.m_perp.x;this.m_s2=K*this.m_perp.y-Q*this.m_perp.x;A=new AB;U=this.m_perp.x*E+this.m_perp.y*R;M=t.Max(M,t.Abs(U));L=0;if(O){O=this.m_invMassA;K=this.m_invMassB;Q=this.m_invIA;E=this.m_invIB;this.m_K.col1.x=O+K+Q*this.m_s1*this.m_s1+E*this.m_s2*this.m_s2;this.m_K.col1.y=Q*this.m_s1*this.m_a1+E*this.m_s2*this.m_a2;this.m_K.col2.x=this.m_K.col1.y;this.m_K.col2.y=O+K+Q*this.m_a1*this.m_a1+E*this.m_a2*this.m_a2;this.m_K.Solve(A,-U,-F)}else{O=this.m_invMassA;K=this.m_invMassB;Q=this.m_invIA;E=this.m_invIB;F=O+K+Q*this.m_s1*this.m_s1+E*this.m_s2*this.m_s2;O=0;O=F!=0?-U/F:0;A.x=O;A.y=0}F=A.x*this.m_perp.x+A.y*this.m_axis.x;O=A.x*this.m_perp.y+A.y*this.m_axis.y;U=A.x*this.m_s1+A.y*this.m_a1;A=A.x*this.m_s2+A.y*this.m_a2;G.x-=this.m_invMassA*F;G.y-=this.m_invMassA*O;H-=this.m_invIA*U;D.x+=this.m_invMassB*F;D.y+=this.m_invMassB*O;B+=this.m_invIB*A;N.m_sweep.a=H;I.m_sweep.a=B;N.SynchronizeTransform();I.SynchronizeTransform();return M<=AE.b2_linearSlop&&L<=AE.b2_angularSlop};Box2D.inherit(n,Box2D.Dynamics.Joints.b2JointDef);n.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;n.b2LineJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=new AB;this.localAnchorB=new AB;this.localAxisA=new AB};n.prototype.b2LineJointDef=function(){this.__super.b2JointDef.call(this);this.type=x.e_lineJoint;this.localAxisA.Set(1,0);this.enableLimit=false;this.upperTranslation=this.lowerTranslation=0;this.enableMotor=false;this.motorSpeed=this.maxMotorForce=0};n.prototype.Initialize=function(E,D,A,B){this.bodyA=E;this.bodyB=D;this.localAnchorA=this.bodyA.GetLocalPoint(A);this.localAnchorB=this.bodyB.GetLocalPoint(A);this.localAxisA=this.bodyA.GetLocalVector(B)};Box2D.inherit(AD,Box2D.Dynamics.Joints.b2Joint);AD.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;AD.b2MouseJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.K=new AC;this.K1=new AC;this.K2=new AC;this.m_localAnchor=new AB;this.m_target=new AB;this.m_impulse=new AB;this.m_mass=new AC;this.m_C=new AB};AD.prototype.GetAnchorA=function(){return this.m_target};AD.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor)};AD.prototype.GetReactionForce=function(A){if(A===undefined){A=0}return new AB(A*this.m_impulse.x,A*this.m_impulse.y)};AD.prototype.GetReactionTorque=function(){return 0};AD.prototype.GetTarget=function(){return this.m_target};AD.prototype.SetTarget=function(A){this.m_bodyB.IsAwake()==false&&this.m_bodyB.SetAwake(true);this.m_target=A};AD.prototype.GetMaxForce=function(){return this.m_maxForce};AD.prototype.SetMaxForce=function(A){if(A===undefined){A=0}this.m_maxForce=A};AD.prototype.GetFrequency=function(){return this.m_frequencyHz};AD.prototype.SetFrequency=function(A){if(A===undefined){A=0}this.m_frequencyHz=A};AD.prototype.GetDampingRatio=function(){return this.m_dampingRatio};AD.prototype.SetDampingRatio=function(A){if(A===undefined){A=0}this.m_dampingRatio=A};AD.prototype.b2MouseJoint=function(E){this.__super.b2Joint.call(this,E);this.m_target.SetV(E.target);var D=this.m_target.x-this.m_bodyB.m_xf.position.x,A=this.m_target.y-this.m_bodyB.m_xf.position.y,B=this.m_bodyB.m_xf.R;this.m_localAnchor.x=D*B.col1.x+A*B.col1.y;this.m_localAnchor.y=D*B.col2.x+A*B.col2.y;this.m_maxForce=E.maxForce;this.m_impulse.SetZero();this.m_frequencyHz=E.frequencyHz;this.m_dampingRatio=E.dampingRatio;this.m_gamma=this.m_beta=0};AD.prototype.InitVelocityConstraints=function(G){var D=this.m_bodyB,A=D.GetMass(),B=2*Math.PI*this.m_frequencyHz,F=A*B*B;this.m_gamma=G.dt*(2*A*this.m_dampingRatio*B+G.dt*F);this.m_gamma=this.m_gamma!=0?1/this.m_gamma:0;this.m_beta=G.dt*F*this.m_gamma;F=D.m_xf.R;A=this.m_localAnchor.x-D.m_sweep.localCenter.x;B=this.m_localAnchor.y-D.m_sweep.localCenter.y;var E=F.col1.x*A+F.col2.x*B;B=F.col1.y*A+F.col2.y*B;A=E;F=D.m_invMass;E=D.m_invI;this.K1.col1.x=F;this.K1.col2.x=0;this.K1.col1.y=0;this.K1.col2.y=F;this.K2.col1.x=E*B*B;this.K2.col2.x=-E*A*B;this.K2.col1.y=-E*A*B;this.K2.col2.y=E*A*A;this.K.SetM(this.K1);this.K.AddM(this.K2);this.K.col1.x+=this.m_gamma;this.K.col2.y+=this.m_gamma;this.K.GetInverse(this.m_mass);this.m_C.x=D.m_sweep.c.x+A-this.m_target.x;this.m_C.y=D.m_sweep.c.y+B-this.m_target.y;D.m_angularVelocity*=0.98;this.m_impulse.x*=G.dtRatio;this.m_impulse.y*=G.dtRatio;D.m_linearVelocity.x+=F*this.m_impulse.x;D.m_linearVelocity.y+=F*this.m_impulse.y;D.m_angularVelocity+=E*(A*this.m_impulse.y-B*this.m_impulse.x)};AD.prototype.SolveVelocityConstraints=function(H){var E=this.m_bodyB,B,D=0,G=0;B=E.m_xf.R;var F=this.m_localAnchor.x-E.m_sweep.localCenter.x,I=this.m_localAnchor.y-E.m_sweep.localCenter.y;D=B.col1.x*F+B.col2.x*I;I=B.col1.y*F+B.col2.y*I;F=D;D=E.m_linearVelocity.x+-E.m_angularVelocity*I;var A=E.m_linearVelocity.y+E.m_angularVelocity*F;B=this.m_mass;D=D+this.m_beta*this.m_C.x+this.m_gamma*this.m_impulse.x;G=A+this.m_beta*this.m_C.y+this.m_gamma*this.m_impulse.y;A=-(B.col1.x*D+B.col2.x*G);G=-(B.col1.y*D+B.col2.y*G);B=this.m_impulse.x;D=this.m_impulse.y;this.m_impulse.x+=A;this.m_impulse.y+=G;H=H.dt*this.m_maxForce;this.m_impulse.LengthSquared()>H*H&&this.m_impulse.Multiply(H/this.m_impulse.Length());A=this.m_impulse.x-B;G=this.m_impulse.y-D;E.m_linearVelocity.x+=E.m_invMass*A;E.m_linearVelocity.y+=E.m_invMass*G;E.m_angularVelocity+=E.m_invI*(F*G-I*A)};AD.prototype.SolvePositionConstraints=function(){return true};Box2D.inherit(AG,Box2D.Dynamics.Joints.b2JointDef);AG.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;AG.b2MouseJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.target=new AB};AG.prototype.b2MouseJointDef=function(){this.__super.b2JointDef.call(this);this.type=x.e_mouseJoint;this.maxForce=0;this.frequencyHz=5;this.dampingRatio=0.7};Box2D.inherit(AA,Box2D.Dynamics.Joints.b2Joint);AA.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;AA.b2PrismaticJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_localAnchor1=new AB;this.m_localAnchor2=new AB;this.m_localXAxis1=new AB;this.m_localYAxis1=new AB;this.m_axis=new AB;this.m_perp=new AB;this.m_K=new o;this.m_impulse=new AI};AA.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};AA.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};AA.prototype.GetReactionForce=function(A){if(A===undefined){A=0}return new AB(A*(this.m_impulse.x*this.m_perp.x+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.x),A*(this.m_impulse.x*this.m_perp.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.y))};AA.prototype.GetReactionTorque=function(A){if(A===undefined){A=0}return A*this.m_impulse.y};AA.prototype.GetJointTranslation=function(){var E=this.m_bodyA,D=this.m_bodyB,A=E.GetWorldPoint(this.m_localAnchor1),B=D.GetWorldPoint(this.m_localAnchor2);D=B.x-A.x;A=B.y-A.y;E=E.GetWorldVector(this.m_localXAxis1);return E.x*D+E.y*A};AA.prototype.GetJointSpeed=function(){var I=this.m_bodyA,G=this.m_bodyB,E;E=I.m_xf.R;var F=this.m_localAnchor1.x-I.m_sweep.localCenter.x,B=this.m_localAnchor1.y-I.m_sweep.localCenter.y,A=E.col1.x*F+E.col2.x*B;B=E.col1.y*F+E.col2.y*B;F=A;E=G.m_xf.R;var D=this.m_localAnchor2.x-G.m_sweep.localCenter.x,M=this.m_localAnchor2.y-G.m_sweep.localCenter.y;A=E.col1.x*D+E.col2.x*M;M=E.col1.y*D+E.col2.y*M;D=A;E=G.m_sweep.c.x+D-(I.m_sweep.c.x+F);A=G.m_sweep.c.y+M-(I.m_sweep.c.y+B);var K=I.GetWorldVector(this.m_localXAxis1),H=I.m_linearVelocity,L=G.m_linearVelocity;I=I.m_angularVelocity;G=G.m_angularVelocity;return E*-I*K.y+A*I*K.x+(K.x*(L.x+-G*M-H.x- -I*B)+K.y*(L.y+G*D-H.y-I*F))};AA.prototype.IsLimitEnabled=function(){return this.m_enableLimit};AA.prototype.EnableLimit=function(A){this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_enableLimit=A};AA.prototype.GetLowerLimit=function(){return this.m_lowerTranslation};AA.prototype.GetUpperLimit=function(){return this.m_upperTranslation};AA.prototype.SetLimits=function(B,A){if(B===undefined){B=0}if(A===undefined){A=0}this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_lowerTranslation=B;this.m_upperTranslation=A};AA.prototype.IsMotorEnabled=function(){return this.m_enableMotor};AA.prototype.EnableMotor=function(A){this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_enableMotor=A};AA.prototype.SetMotorSpeed=function(A){if(A===undefined){A=0}this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_motorSpeed=A};AA.prototype.GetMotorSpeed=function(){return this.m_motorSpeed};AA.prototype.SetMaxMotorForce=function(A){if(A===undefined){A=0}this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_maxMotorForce=A};AA.prototype.GetMotorForce=function(){return this.m_motorImpulse};AA.prototype.b2PrismaticJoint=function(A){this.__super.b2Joint.call(this,A);this.m_localAnchor1.SetV(A.localAnchorA);this.m_localAnchor2.SetV(A.localAnchorB);this.m_localXAxis1.SetV(A.localAxisA);this.m_localYAxis1.x=-this.m_localXAxis1.y;this.m_localYAxis1.y=this.m_localXAxis1.x;this.m_refAngle=A.referenceAngle;this.m_impulse.SetZero();this.m_motorImpulse=this.m_motorMass=0;this.m_lowerTranslation=A.lowerTranslation;this.m_upperTranslation=A.upperTranslation;this.m_maxMotorForce=A.maxMotorForce;this.m_motorSpeed=A.motorSpeed;this.m_enableLimit=A.enableLimit;this.m_enableMotor=A.enableMotor;this.m_limitState=x.e_inactiveLimit;this.m_axis.SetZero();this.m_perp.SetZero()};AA.prototype.InitVelocityConstraints=function(I){var G=this.m_bodyA,E=this.m_bodyB,F,B=0;this.m_localCenterA.SetV(G.GetLocalCenter());this.m_localCenterB.SetV(E.GetLocalCenter());var A=G.GetTransform();E.GetTransform();F=G.m_xf.R;var D=this.m_localAnchor1.x-this.m_localCenterA.x,L=this.m_localAnchor1.y-this.m_localCenterA.y;B=F.col1.x*D+F.col2.x*L;L=F.col1.y*D+F.col2.y*L;D=B;F=E.m_xf.R;var K=this.m_localAnchor2.x-this.m_localCenterB.x,H=this.m_localAnchor2.y-this.m_localCenterB.y;B=F.col1.x*K+F.col2.x*H;H=F.col1.y*K+F.col2.y*H;K=B;F=E.m_sweep.c.x+K-G.m_sweep.c.x-D;B=E.m_sweep.c.y+H-G.m_sweep.c.y-L;this.m_invMassA=G.m_invMass;this.m_invMassB=E.m_invMass;this.m_invIA=G.m_invI;this.m_invIB=E.m_invI;this.m_axis.SetV(t.MulMV(A.R,this.m_localXAxis1));this.m_a1=(F+D)*this.m_axis.y-(B+L)*this.m_axis.x;this.m_a2=K*this.m_axis.y-H*this.m_axis.x;this.m_motorMass=this.m_invMassA+this.m_invMassB+this.m_invIA*this.m_a1*this.m_a1+this.m_invIB*this.m_a2*this.m_a2;if(this.m_motorMass>Number.MIN_VALUE){this.m_motorMass=1/this.m_motorMass}this.m_perp.SetV(t.MulMV(A.R,this.m_localYAxis1));this.m_s1=(F+D)*this.m_perp.y-(B+L)*this.m_perp.x;this.m_s2=K*this.m_perp.y-H*this.m_perp.x;A=this.m_invMassA;D=this.m_invMassB;L=this.m_invIA;K=this.m_invIB;this.m_K.col1.x=A+D+L*this.m_s1*this.m_s1+K*this.m_s2*this.m_s2;this.m_K.col1.y=L*this.m_s1+K*this.m_s2;this.m_K.col1.z=L*this.m_s1*this.m_a1+K*this.m_s2*this.m_a2;this.m_K.col2.x=this.m_K.col1.y;this.m_K.col2.y=L+K;this.m_K.col2.z=L*this.m_a1+K*this.m_a2;this.m_K.col3.x=this.m_K.col1.z;this.m_K.col3.y=this.m_K.col2.z;this.m_K.col3.z=A+D+L*this.m_a1*this.m_a1+K*this.m_a2*this.m_a2;if(this.m_enableLimit){F=this.m_axis.x*F+this.m_axis.y*B;if(t.Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*AE.b2_linearSlop){this.m_limitState=x.e_equalLimits}else{if(F<=this.m_lowerTranslation){if(this.m_limitState!=x.e_atLowerLimit){this.m_limitState=x.e_atLowerLimit;this.m_impulse.z=0}}else{if(F>=this.m_upperTranslation){if(this.m_limitState!=x.e_atUpperLimit){this.m_limitState=x.e_atUpperLimit;this.m_impulse.z=0}}else{this.m_limitState=x.e_inactiveLimit;this.m_impulse.z=0}}}}else{this.m_limitState=x.e_inactiveLimit}if(this.m_enableMotor==false){this.m_motorImpulse=0}if(I.warmStarting){this.m_impulse.x*=I.dtRatio;this.m_impulse.y*=I.dtRatio;this.m_motorImpulse*=I.dtRatio;I=this.m_impulse.x*this.m_perp.x+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.x;F=this.m_impulse.x*this.m_perp.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.y;B=this.m_impulse.x*this.m_s1+this.m_impulse.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_a1;A=this.m_impulse.x*this.m_s2+this.m_impulse.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_a2;G.m_linearVelocity.x-=this.m_invMassA*I;G.m_linearVelocity.y-=this.m_invMassA*F;G.m_angularVelocity-=this.m_invIA*B;E.m_linearVelocity.x+=this.m_invMassB*I;E.m_linearVelocity.y+=this.m_invMassB*F;E.m_angularVelocity+=this.m_invIB*A}else{this.m_impulse.SetZero();this.m_motorImpulse=0}};AA.prototype.SolveVelocityConstraints=function(I){var G=this.m_bodyA,E=this.m_bodyB,F=G.m_linearVelocity,B=G.m_angularVelocity,A=E.m_linearVelocity,D=E.m_angularVelocity,M=0,K=0,H=0,L=0;if(this.m_enableMotor&&this.m_limitState!=x.e_equalLimits){L=this.m_motorMass*(this.m_motorSpeed-(this.m_axis.x*(A.x-F.x)+this.m_axis.y*(A.y-F.y)+this.m_a2*D-this.m_a1*B));M=this.m_motorImpulse;I=I.dt*this.m_maxMotorForce;this.m_motorImpulse=t.Clamp(this.m_motorImpulse+L,-I,I);L=this.m_motorImpulse-M;M=L*this.m_axis.x;K=L*this.m_axis.y;H=L*this.m_a1;L=L*this.m_a2;F.x-=this.m_invMassA*M;F.y-=this.m_invMassA*K;B-=this.m_invIA*H;A.x+=this.m_invMassB*M;A.y+=this.m_invMassB*K;D+=this.m_invIB*L}H=this.m_perp.x*(A.x-F.x)+this.m_perp.y*(A.y-F.y)+this.m_s2*D-this.m_s1*B;K=D-B;if(this.m_enableLimit&&this.m_limitState!=x.e_inactiveLimit){I=this.m_axis.x*(A.x-F.x)+this.m_axis.y*(A.y-F.y)+this.m_a2*D-this.m_a1*B;M=this.m_impulse.Copy();I=this.m_K.Solve33(new AI,-H,-K,-I);this.m_impulse.Add(I);if(this.m_limitState==x.e_atLowerLimit){this.m_impulse.z=t.Max(this.m_impulse.z,0)}else{if(this.m_limitState==x.e_atUpperLimit){this.m_impulse.z=t.Min(this.m_impulse.z,0)}}H=-H-(this.m_impulse.z-M.z)*this.m_K.col3.x;K=-K-(this.m_impulse.z-M.z)*this.m_K.col3.y;K=this.m_K.Solve22(new AB,H,K);K.x+=M.x;K.y+=M.y;this.m_impulse.x=K.x;this.m_impulse.y=K.y;I.x=this.m_impulse.x-M.x;I.y=this.m_impulse.y-M.y;I.z=this.m_impulse.z-M.z;M=I.x*this.m_perp.x+I.z*this.m_axis.x;K=I.x*this.m_perp.y+I.z*this.m_axis.y;H=I.x*this.m_s1+I.y+I.z*this.m_a1;L=I.x*this.m_s2+I.y+I.z*this.m_a2}else{I=this.m_K.Solve22(new AB,-H,-K);this.m_impulse.x+=I.x;this.m_impulse.y+=I.y;M=I.x*this.m_perp.x;K=I.x*this.m_perp.y;H=I.x*this.m_s1+I.y;L=I.x*this.m_s2+I.y}F.x-=this.m_invMassA*M;F.y-=this.m_invMassA*K;B-=this.m_invIA*H;A.x+=this.m_invMassB*M;A.y+=this.m_invMassB*K;D+=this.m_invIB*L;G.m_linearVelocity.SetV(F);G.m_angularVelocity=B;E.m_linearVelocity.SetV(A);E.m_angularVelocity=D};AA.prototype.SolvePositionConstraints=function(){var N=this.m_bodyA,I=this.m_bodyB,G=N.m_sweep.c,H=N.m_sweep.a,D=I.m_sweep.c,B=I.m_sweep.a,E,R=0,O=0,K=0,Q=R=E=0,M=0;O=false;var L=0,F=AC.FromAngle(H),A=AC.FromAngle(B);E=F;M=this.m_localAnchor1.x-this.m_localCenterA.x;var U=this.m_localAnchor1.y-this.m_localCenterA.y;R=E.col1.x*M+E.col2.x*U;U=E.col1.y*M+E.col2.y*U;M=R;E=A;A=this.m_localAnchor2.x-this.m_localCenterB.x;K=this.m_localAnchor2.y-this.m_localCenterB.y;R=E.col1.x*A+E.col2.x*K;K=E.col1.y*A+E.col2.y*K;A=R;E=D.x+A-G.x-M;R=D.y+K-G.y-U;if(this.m_enableLimit){this.m_axis=t.MulMV(F,this.m_localXAxis1);this.m_a1=(E+M)*this.m_axis.y-(R+U)*this.m_axis.x;this.m_a2=A*this.m_axis.y-K*this.m_axis.x;var S=this.m_axis.x*E+this.m_axis.y*R;if(t.Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*AE.b2_linearSlop){L=t.Clamp(S,-AE.b2_maxLinearCorrection,AE.b2_maxLinearCorrection);Q=t.Abs(S);O=true}else{if(S<=this.m_lowerTranslation){L=t.Clamp(S-this.m_lowerTranslation+AE.b2_linearSlop,-AE.b2_maxLinearCorrection,0);Q=this.m_lowerTranslation-S;O=true}else{if(S>=this.m_upperTranslation){L=t.Clamp(S-this.m_upperTranslation+AE.b2_linearSlop,0,AE.b2_maxLinearCorrection);Q=S-this.m_upperTranslation;O=true}}}}this.m_perp=t.MulMV(F,this.m_localYAxis1);this.m_s1=(E+M)*this.m_perp.y-(R+U)*this.m_perp.x;this.m_s2=A*this.m_perp.y-K*this.m_perp.x;F=new AI;U=this.m_perp.x*E+this.m_perp.y*R;A=B-H-this.m_refAngle;Q=t.Max(Q,t.Abs(U));M=t.Abs(A);if(O){O=this.m_invMassA;K=this.m_invMassB;E=this.m_invIA;R=this.m_invIB;this.m_K.col1.x=O+K+E*this.m_s1*this.m_s1+R*this.m_s2*this.m_s2;this.m_K.col1.y=E*this.m_s1+R*this.m_s2;this.m_K.col1.z=E*this.m_s1*this.m_a1+R*this.m_s2*this.m_a2;this.m_K.col2.x=this.m_K.col1.y;this.m_K.col2.y=E+R;this.m_K.col2.z=E*this.m_a1+R*this.m_a2;this.m_K.col3.x=this.m_K.col1.z;this.m_K.col3.y=this.m_K.col2.z;this.m_K.col3.z=O+K+E*this.m_a1*this.m_a1+R*this.m_a2*this.m_a2;this.m_K.Solve33(F,-U,-A,-L)}else{O=this.m_invMassA;K=this.m_invMassB;E=this.m_invIA;R=this.m_invIB;L=E*this.m_s1+R*this.m_s2;S=E+R;this.m_K.col1.Set(O+K+E*this.m_s1*this.m_s1+R*this.m_s2*this.m_s2,L,0);this.m_K.col2.Set(L,S,0);L=this.m_K.Solve22(new AB,-U,-A);F.x=L.x;F.y=L.y;F.z=0}L=F.x*this.m_perp.x+F.z*this.m_axis.x;O=F.x*this.m_perp.y+F.z*this.m_axis.y;U=F.x*this.m_s1+F.y+F.z*this.m_a1;F=F.x*this.m_s2+F.y+F.z*this.m_a2;G.x-=this.m_invMassA*L;G.y-=this.m_invMassA*O;H-=this.m_invIA*U;D.x+=this.m_invMassB*L;D.y+=this.m_invMassB*O;B+=this.m_invIB*F;N.m_sweep.a=H;I.m_sweep.a=B;N.SynchronizeTransform();I.SynchronizeTransform();return Q<=AE.b2_linearSlop&&M<=AE.b2_angularSlop};Box2D.inherit(g,Box2D.Dynamics.Joints.b2JointDef);g.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;g.b2PrismaticJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=new AB;this.localAnchorB=new AB;this.localAxisA=new AB};g.prototype.b2PrismaticJointDef=function(){this.__super.b2JointDef.call(this);this.type=x.e_prismaticJoint;this.localAxisA.Set(1,0);this.referenceAngle=0;this.enableLimit=false;this.upperTranslation=this.lowerTranslation=0;this.enableMotor=false;this.motorSpeed=this.maxMotorForce=0};g.prototype.Initialize=function(E,D,A,B){this.bodyA=E;this.bodyB=D;this.localAnchorA=this.bodyA.GetLocalPoint(A);this.localAnchorB=this.bodyB.GetLocalPoint(A);this.localAxisA=this.bodyA.GetLocalVector(B);this.referenceAngle=this.bodyB.GetAngle()-this.bodyA.GetAngle()};Box2D.inherit(AF,Box2D.Dynamics.Joints.b2Joint);AF.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;AF.b2PulleyJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_groundAnchor1=new AB;this.m_groundAnchor2=new AB;this.m_localAnchor1=new AB;this.m_localAnchor2=new AB;this.m_u1=new AB;this.m_u2=new AB};AF.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};AF.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};AF.prototype.GetReactionForce=function(A){if(A===undefined){A=0}return new AB(A*this.m_impulse*this.m_u2.x,A*this.m_impulse*this.m_u2.y)};AF.prototype.GetReactionTorque=function(){return 0};AF.prototype.GetGroundAnchorA=function(){var A=this.m_ground.m_xf.position.Copy();A.Add(this.m_groundAnchor1);return A};AF.prototype.GetGroundAnchorB=function(){var A=this.m_ground.m_xf.position.Copy();A.Add(this.m_groundAnchor2);return A};AF.prototype.GetLength1=function(){var B=this.m_bodyA.GetWorldPoint(this.m_localAnchor1),A=B.x-(this.m_ground.m_xf.position.x+this.m_groundAnchor1.x);B=B.y-(this.m_ground.m_xf.position.y+this.m_groundAnchor1.y);return Math.sqrt(A*A+B*B)};AF.prototype.GetLength2=function(){var B=this.m_bodyB.GetWorldPoint(this.m_localAnchor2),A=B.x-(this.m_ground.m_xf.position.x+this.m_groundAnchor2.x);B=B.y-(this.m_ground.m_xf.position.y+this.m_groundAnchor2.y);return Math.sqrt(A*A+B*B)};AF.prototype.GetRatio=function(){return this.m_ratio};AF.prototype.b2PulleyJoint=function(A){this.__super.b2Joint.call(this,A);this.m_ground=this.m_bodyA.m_world.m_groundBody;this.m_groundAnchor1.x=A.groundAnchorA.x-this.m_ground.m_xf.position.x;this.m_groundAnchor1.y=A.groundAnchorA.y-this.m_ground.m_xf.position.y;this.m_groundAnchor2.x=A.groundAnchorB.x-this.m_ground.m_xf.position.x;this.m_groundAnchor2.y=A.groundAnchorB.y-this.m_ground.m_xf.position.y;this.m_localAnchor1.SetV(A.localAnchorA);this.m_localAnchor2.SetV(A.localAnchorB);this.m_ratio=A.ratio;this.m_constant=A.lengthA+this.m_ratio*A.lengthB;this.m_maxLength1=t.Min(A.maxLengthA,this.m_constant-this.m_ratio*AF.b2_minPulleyLength);this.m_maxLength2=t.Min(A.maxLengthB,(this.m_constant-AF.b2_minPulleyLength)/this.m_ratio);this.m_limitImpulse2=this.m_limitImpulse1=this.m_impulse=0};AF.prototype.InitVelocityConstraints=function(I){var G=this.m_bodyA,E=this.m_bodyB,F;F=G.m_xf.R;var B=this.m_localAnchor1.x-G.m_sweep.localCenter.x,A=this.m_localAnchor1.y-G.m_sweep.localCenter.y,D=F.col1.x*B+F.col2.x*A;A=F.col1.y*B+F.col2.y*A;B=D;F=E.m_xf.R;var M=this.m_localAnchor2.x-E.m_sweep.localCenter.x,K=this.m_localAnchor2.y-E.m_sweep.localCenter.y;D=F.col1.x*M+F.col2.x*K;K=F.col1.y*M+F.col2.y*K;M=D;F=E.m_sweep.c.x+M;D=E.m_sweep.c.y+K;var H=this.m_ground.m_xf.position.x+this.m_groundAnchor2.x,L=this.m_ground.m_xf.position.y+this.m_groundAnchor2.y;this.m_u1.Set(G.m_sweep.c.x+B-(this.m_ground.m_xf.position.x+this.m_groundAnchor1.x),G.m_sweep.c.y+A-(this.m_ground.m_xf.position.y+this.m_groundAnchor1.y));this.m_u2.Set(F-H,D-L);F=this.m_u1.Length();D=this.m_u2.Length();F>AE.b2_linearSlop?this.m_u1.Multiply(1/F):this.m_u1.SetZero();D>AE.b2_linearSlop?this.m_u2.Multiply(1/D):this.m_u2.SetZero();if(this.m_constant-F-this.m_ratio*D>0){this.m_state=x.e_inactiveLimit;this.m_impulse=0}else{this.m_state=x.e_atUpperLimit}if(F<this.m_maxLength1){this.m_limitState1=x.e_inactiveLimit;this.m_limitImpulse1=0}else{this.m_limitState1=x.e_atUpperLimit}if(D<this.m_maxLength2){this.m_limitState2=x.e_inactiveLimit;this.m_limitImpulse2=0}else{this.m_limitState2=x.e_atUpperLimit}F=B*this.m_u1.y-A*this.m_u1.x;D=M*this.m_u2.y-K*this.m_u2.x;this.m_limitMass1=G.m_invMass+G.m_invI*F*F;this.m_limitMass2=E.m_invMass+E.m_invI*D*D;this.m_pulleyMass=this.m_limitMass1+this.m_ratio*this.m_ratio*this.m_limitMass2;this.m_limitMass1=1/this.m_limitMass1;this.m_limitMass2=1/this.m_limitMass2;this.m_pulleyMass=1/this.m_pulleyMass;if(I.warmStarting){this.m_impulse*=I.dtRatio;this.m_limitImpulse1*=I.dtRatio;this.m_limitImpulse2*=I.dtRatio;I=(-this.m_impulse-this.m_limitImpulse1)*this.m_u1.x;F=(-this.m_impulse-this.m_limitImpulse1)*this.m_u1.y;D=(-this.m_ratio*this.m_impulse-this.m_limitImpulse2)*this.m_u2.x;H=(-this.m_ratio*this.m_impulse-this.m_limitImpulse2)*this.m_u2.y;G.m_linearVelocity.x+=G.m_invMass*I;G.m_linearVelocity.y+=G.m_invMass*F;G.m_angularVelocity+=G.m_invI*(B*F-A*I);E.m_linearVelocity.x+=E.m_invMass*D;E.m_linearVelocity.y+=E.m_invMass*H;E.m_angularVelocity+=E.m_invI*(M*H-K*D)}else{this.m_limitImpulse2=this.m_limitImpulse1=this.m_impulse=0}};AF.prototype.SolveVelocityConstraints=function(){var I=this.m_bodyA,G=this.m_bodyB,E;E=I.m_xf.R;var F=this.m_localAnchor1.x-I.m_sweep.localCenter.x,B=this.m_localAnchor1.y-I.m_sweep.localCenter.y,A=E.col1.x*F+E.col2.x*B;B=E.col1.y*F+E.col2.y*B;F=A;E=G.m_xf.R;var D=this.m_localAnchor2.x-G.m_sweep.localCenter.x,L=this.m_localAnchor2.y-G.m_sweep.localCenter.y;A=E.col1.x*D+E.col2.x*L;L=E.col1.y*D+E.col2.y*L;D=A;var K=A=E=0,H=0;E=H=E=H=K=A=E=0;if(this.m_state==x.e_atUpperLimit){E=I.m_linearVelocity.x+-I.m_angularVelocity*B;A=I.m_linearVelocity.y+I.m_angularVelocity*F;K=G.m_linearVelocity.x+-G.m_angularVelocity*L;H=G.m_linearVelocity.y+G.m_angularVelocity*D;E=-(this.m_u1.x*E+this.m_u1.y*A)-this.m_ratio*(this.m_u2.x*K+this.m_u2.y*H);H=this.m_pulleyMass*-E;E=this.m_impulse;this.m_impulse=t.Max(0,this.m_impulse+H);H=this.m_impulse-E;E=-H*this.m_u1.x;A=-H*this.m_u1.y;K=-this.m_ratio*H*this.m_u2.x;H=-this.m_ratio*H*this.m_u2.y;I.m_linearVelocity.x+=I.m_invMass*E;I.m_linearVelocity.y+=I.m_invMass*A;I.m_angularVelocity+=I.m_invI*(F*A-B*E);G.m_linearVelocity.x+=G.m_invMass*K;G.m_linearVelocity.y+=G.m_invMass*H;G.m_angularVelocity+=G.m_invI*(D*H-L*K)}if(this.m_limitState1==x.e_atUpperLimit){E=I.m_linearVelocity.x+-I.m_angularVelocity*B;A=I.m_linearVelocity.y+I.m_angularVelocity*F;E=-(this.m_u1.x*E+this.m_u1.y*A);H=-this.m_limitMass1*E;E=this.m_limitImpulse1;this.m_limitImpulse1=t.Max(0,this.m_limitImpulse1+H);H=this.m_limitImpulse1-E;E=-H*this.m_u1.x;A=-H*this.m_u1.y;I.m_linearVelocity.x+=I.m_invMass*E;I.m_linearVelocity.y+=I.m_invMass*A;I.m_angularVelocity+=I.m_invI*(F*A-B*E)}if(this.m_limitState2==x.e_atUpperLimit){K=G.m_linearVelocity.x+-G.m_angularVelocity*L;H=G.m_linearVelocity.y+G.m_angularVelocity*D;E=-(this.m_u2.x*K+this.m_u2.y*H);H=-this.m_limitMass2*E;E=this.m_limitImpulse2;this.m_limitImpulse2=t.Max(0,this.m_limitImpulse2+H);H=this.m_limitImpulse2-E;K=-H*this.m_u2.x;H=-H*this.m_u2.y;G.m_linearVelocity.x+=G.m_invMass*K;G.m_linearVelocity.y+=G.m_invMass*H;G.m_angularVelocity+=G.m_invI*(D*H-L*K)}};AF.prototype.SolvePositionConstraints=function(){var N=this.m_bodyA,I=this.m_bodyB,G,H=this.m_ground.m_xf.position.x+this.m_groundAnchor1.x,D=this.m_ground.m_xf.position.y+this.m_groundAnchor1.y,B=this.m_ground.m_xf.position.x+this.m_groundAnchor2.x,E=this.m_ground.m_xf.position.y+this.m_groundAnchor2.y,R=0,O=0,K=0,Q=0,M=G=0,L=0,F=0,A=M=F=G=M=G=0;if(this.m_state==x.e_atUpperLimit){G=N.m_xf.R;R=this.m_localAnchor1.x-N.m_sweep.localCenter.x;O=this.m_localAnchor1.y-N.m_sweep.localCenter.y;M=G.col1.x*R+G.col2.x*O;O=G.col1.y*R+G.col2.y*O;R=M;G=I.m_xf.R;K=this.m_localAnchor2.x-I.m_sweep.localCenter.x;Q=this.m_localAnchor2.y-I.m_sweep.localCenter.y;M=G.col1.x*K+G.col2.x*Q;Q=G.col1.y*K+G.col2.y*Q;K=M;G=N.m_sweep.c.x+R;M=N.m_sweep.c.y+O;L=I.m_sweep.c.x+K;F=I.m_sweep.c.y+Q;this.m_u1.Set(G-H,M-D);this.m_u2.Set(L-B,F-E);G=this.m_u1.Length();M=this.m_u2.Length();G>AE.b2_linearSlop?this.m_u1.Multiply(1/G):this.m_u1.SetZero();M>AE.b2_linearSlop?this.m_u2.Multiply(1/M):this.m_u2.SetZero();G=this.m_constant-G-this.m_ratio*M;A=t.Max(A,-G);G=t.Clamp(G+AE.b2_linearSlop,-AE.b2_maxLinearCorrection,0);F=-this.m_pulleyMass*G;G=-F*this.m_u1.x;M=-F*this.m_u1.y;L=-this.m_ratio*F*this.m_u2.x;F=-this.m_ratio*F*this.m_u2.y;N.m_sweep.c.x+=N.m_invMass*G;N.m_sweep.c.y+=N.m_invMass*M;N.m_sweep.a+=N.m_invI*(R*M-O*G);I.m_sweep.c.x+=I.m_invMass*L;I.m_sweep.c.y+=I.m_invMass*F;I.m_sweep.a+=I.m_invI*(K*F-Q*L);N.SynchronizeTransform();I.SynchronizeTransform()}if(this.m_limitState1==x.e_atUpperLimit){G=N.m_xf.R;R=this.m_localAnchor1.x-N.m_sweep.localCenter.x;O=this.m_localAnchor1.y-N.m_sweep.localCenter.y;M=G.col1.x*R+G.col2.x*O;O=G.col1.y*R+G.col2.y*O;R=M;G=N.m_sweep.c.x+R;M=N.m_sweep.c.y+O;this.m_u1.Set(G-H,M-D);G=this.m_u1.Length();if(G>AE.b2_linearSlop){this.m_u1.x*=1/G;this.m_u1.y*=1/G}else{this.m_u1.SetZero()}G=this.m_maxLength1-G;A=t.Max(A,-G);G=t.Clamp(G+AE.b2_linearSlop,-AE.b2_maxLinearCorrection,0);F=-this.m_limitMass1*G;G=-F*this.m_u1.x;M=-F*this.m_u1.y;N.m_sweep.c.x+=N.m_invMass*G;N.m_sweep.c.y+=N.m_invMass*M;N.m_sweep.a+=N.m_invI*(R*M-O*G);N.SynchronizeTransform()}if(this.m_limitState2==x.e_atUpperLimit){G=I.m_xf.R;K=this.m_localAnchor2.x-I.m_sweep.localCenter.x;Q=this.m_localAnchor2.y-I.m_sweep.localCenter.y;M=G.col1.x*K+G.col2.x*Q;Q=G.col1.y*K+G.col2.y*Q;K=M;L=I.m_sweep.c.x+K;F=I.m_sweep.c.y+Q;this.m_u2.Set(L-B,F-E);M=this.m_u2.Length();if(M>AE.b2_linearSlop){this.m_u2.x*=1/M;this.m_u2.y*=1/M}else{this.m_u2.SetZero()}G=this.m_maxLength2-M;A=t.Max(A,-G);G=t.Clamp(G+AE.b2_linearSlop,-AE.b2_maxLinearCorrection,0);F=-this.m_limitMass2*G;L=-F*this.m_u2.x;F=-F*this.m_u2.y;I.m_sweep.c.x+=I.m_invMass*L;I.m_sweep.c.y+=I.m_invMass*F;I.m_sweep.a+=I.m_invI*(K*F-Q*L);I.SynchronizeTransform()}return A<AE.b2_linearSlop};Box2D.postDefs.push(function(){Box2D.Dynamics.Joints.b2PulleyJoint.b2_minPulleyLength=2});Box2D.inherit(e,Box2D.Dynamics.Joints.b2JointDef);e.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;e.b2PulleyJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.groundAnchorA=new AB;this.groundAnchorB=new AB;this.localAnchorA=new AB;this.localAnchorB=new AB};e.prototype.b2PulleyJointDef=function(){this.__super.b2JointDef.call(this);this.type=x.e_pulleyJoint;this.groundAnchorA.Set(-1,1);this.groundAnchorB.Set(1,1);this.localAnchorA.Set(-1,0);this.localAnchorB.Set(1,0);this.maxLengthB=this.lengthB=this.maxLengthA=this.lengthA=0;this.ratio=1;this.collideConnected=true};e.prototype.Initialize=function(G,D,A,B,F,E,H){if(H===undefined){H=0}this.bodyA=G;this.bodyB=D;this.groundAnchorA.SetV(A);this.groundAnchorB.SetV(B);this.localAnchorA=this.bodyA.GetLocalPoint(F);this.localAnchorB=this.bodyB.GetLocalPoint(E);G=F.x-A.x;A=F.y-A.y;this.lengthA=Math.sqrt(G*G+A*A);A=E.x-B.x;B=E.y-B.y;this.lengthB=Math.sqrt(A*A+B*B);this.ratio=H;H=this.lengthA+this.ratio*this.lengthB;this.maxLengthA=H-this.ratio*AF.b2_minPulleyLength;this.maxLengthB=(H-AF.b2_minPulleyLength)/this.ratio};Box2D.inherit(h,Box2D.Dynamics.Joints.b2Joint);h.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;h.b2RevoluteJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.K=new AC;this.K1=new AC;this.K2=new AC;this.K3=new AC;this.impulse3=new AI;this.impulse2=new AB;this.reduced=new AB;this.m_localAnchor1=new AB;this.m_localAnchor2=new AB;this.m_impulse=new AI;this.m_mass=new o};h.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};h.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};h.prototype.GetReactionForce=function(A){if(A===undefined){A=0}return new AB(A*this.m_impulse.x,A*this.m_impulse.y)};h.prototype.GetReactionTorque=function(A){if(A===undefined){A=0}return A*this.m_impulse.z};h.prototype.GetJointAngle=function(){return this.m_bodyB.m_sweep.a-this.m_bodyA.m_sweep.a-this.m_referenceAngle};h.prototype.GetJointSpeed=function(){return this.m_bodyB.m_angularVelocity-this.m_bodyA.m_angularVelocity};h.prototype.IsLimitEnabled=function(){return this.m_enableLimit};h.prototype.EnableLimit=function(A){this.m_enableLimit=A};h.prototype.GetLowerLimit=function(){return this.m_lowerAngle};h.prototype.GetUpperLimit=function(){return this.m_upperAngle};h.prototype.SetLimits=function(B,A){if(B===undefined){B=0}if(A===undefined){A=0}this.m_lowerAngle=B;this.m_upperAngle=A};h.prototype.IsMotorEnabled=function(){this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);return this.m_enableMotor};h.prototype.EnableMotor=function(A){this.m_enableMotor=A};h.prototype.SetMotorSpeed=function(A){if(A===undefined){A=0}this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_motorSpeed=A};h.prototype.GetMotorSpeed=function(){return this.m_motorSpeed};h.prototype.SetMaxMotorTorque=function(A){if(A===undefined){A=0}this.m_maxMotorTorque=A};h.prototype.GetMotorTorque=function(){return this.m_maxMotorTorque};h.prototype.b2RevoluteJoint=function(A){this.__super.b2Joint.call(this,A);this.m_localAnchor1.SetV(A.localAnchorA);this.m_localAnchor2.SetV(A.localAnchorB);this.m_referenceAngle=A.referenceAngle;this.m_impulse.SetZero();this.m_motorImpulse=0;this.m_lowerAngle=A.lowerAngle;this.m_upperAngle=A.upperAngle;this.m_maxMotorTorque=A.maxMotorTorque;this.m_motorSpeed=A.motorSpeed;this.m_enableLimit=A.enableLimit;this.m_enableMotor=A.enableMotor;this.m_limitState=x.e_inactiveLimit};h.prototype.InitVelocityConstraints=function(K){var G=this.m_bodyA,E=this.m_bodyB,F,B=0;F=G.m_xf.R;var A=this.m_localAnchor1.x-G.m_sweep.localCenter.x,D=this.m_localAnchor1.y-G.m_sweep.localCenter.y;B=F.col1.x*A+F.col2.x*D;D=F.col1.y*A+F.col2.y*D;A=B;F=E.m_xf.R;var N=this.m_localAnchor2.x-E.m_sweep.localCenter.x,L=this.m_localAnchor2.y-E.m_sweep.localCenter.y;B=F.col1.x*N+F.col2.x*L;L=F.col1.y*N+F.col2.y*L;N=B;F=G.m_invMass;B=E.m_invMass;var H=G.m_invI,M=E.m_invI;this.m_mass.col1.x=F+B+D*D*H+L*L*M;this.m_mass.col2.x=-D*A*H-L*N*M;this.m_mass.col3.x=-D*H-L*M;this.m_mass.col1.y=this.m_mass.col2.x;this.m_mass.col2.y=F+B+A*A*H+N*N*M;this.m_mass.col3.y=A*H+N*M;this.m_mass.col1.z=this.m_mass.col3.x;this.m_mass.col2.z=this.m_mass.col3.y;this.m_mass.col3.z=H+M;this.m_motorMass=1/(H+M);if(this.m_enableMotor==false){this.m_motorImpulse=0}if(this.m_enableLimit){var I=E.m_sweep.a-G.m_sweep.a-this.m_referenceAngle;if(t.Abs(this.m_upperAngle-this.m_lowerAngle)<2*AE.b2_angularSlop){this.m_limitState=x.e_equalLimits}else{if(I<=this.m_lowerAngle){if(this.m_limitState!=x.e_atLowerLimit){this.m_impulse.z=0}this.m_limitState=x.e_atLowerLimit}else{if(I>=this.m_upperAngle){if(this.m_limitState!=x.e_atUpperLimit){this.m_impulse.z=0}this.m_limitState=x.e_atUpperLimit}else{this.m_limitState=x.e_inactiveLimit;this.m_impulse.z=0}}}}else{this.m_limitState=x.e_inactiveLimit}if(K.warmStarting){this.m_impulse.x*=K.dtRatio;this.m_impulse.y*=K.dtRatio;this.m_motorImpulse*=K.dtRatio;K=this.m_impulse.x;I=this.m_impulse.y;G.m_linearVelocity.x-=F*K;G.m_linearVelocity.y-=F*I;G.m_angularVelocity-=H*(A*I-D*K+this.m_motorImpulse+this.m_impulse.z);E.m_linearVelocity.x+=B*K;E.m_linearVelocity.y+=B*I;E.m_angularVelocity+=M*(N*I-L*K+this.m_motorImpulse+this.m_impulse.z)}else{this.m_impulse.SetZero();this.m_motorImpulse=0}};h.prototype.SolveVelocityConstraints=function(N){var I=this.m_bodyA,G=this.m_bodyB,H=0,D=H=0,B=0,E=0,R=0,O=I.m_linearVelocity,K=I.m_angularVelocity,Q=G.m_linearVelocity,M=G.m_angularVelocity,L=I.m_invMass,F=G.m_invMass,A=I.m_invI,U=G.m_invI;if(this.m_enableMotor&&this.m_limitState!=x.e_equalLimits){D=this.m_motorMass*-(M-K-this.m_motorSpeed);B=this.m_motorImpulse;E=N.dt*this.m_maxMotorTorque;this.m_motorImpulse=t.Clamp(this.m_motorImpulse+D,-E,E);D=this.m_motorImpulse-B;K-=A*D;M+=U*D}if(this.m_enableLimit&&this.m_limitState!=x.e_inactiveLimit){N=I.m_xf.R;D=this.m_localAnchor1.x-I.m_sweep.localCenter.x;B=this.m_localAnchor1.y-I.m_sweep.localCenter.y;H=N.col1.x*D+N.col2.x*B;B=N.col1.y*D+N.col2.y*B;D=H;N=G.m_xf.R;E=this.m_localAnchor2.x-G.m_sweep.localCenter.x;R=this.m_localAnchor2.y-G.m_sweep.localCenter.y;H=N.col1.x*E+N.col2.x*R;R=N.col1.y*E+N.col2.y*R;E=H;N=Q.x+-M*R-O.x- -K*B;var S=Q.y+M*E-O.y-K*D;this.m_mass.Solve33(this.impulse3,-N,-S,-(M-K));if(this.m_limitState==x.e_equalLimits){this.m_impulse.Add(this.impulse3)}else{if(this.m_limitState==x.e_atLowerLimit){H=this.m_impulse.z+this.impulse3.z;if(H<0){this.m_mass.Solve22(this.reduced,-N,-S);this.impulse3.x=this.reduced.x;this.impulse3.y=this.reduced.y;this.impulse3.z=-this.m_impulse.z;this.m_impulse.x+=this.reduced.x;this.m_impulse.y+=this.reduced.y;this.m_impulse.z=0}}else{if(this.m_limitState==x.e_atUpperLimit){H=this.m_impulse.z+this.impulse3.z;if(H>0){this.m_mass.Solve22(this.reduced,-N,-S);this.impulse3.x=this.reduced.x;this.impulse3.y=this.reduced.y;this.impulse3.z=-this.m_impulse.z;this.m_impulse.x+=this.reduced.x;this.m_impulse.y+=this.reduced.y;this.m_impulse.z=0}}}}O.x-=L*this.impulse3.x;O.y-=L*this.impulse3.y;K-=A*(D*this.impulse3.y-B*this.impulse3.x+this.impulse3.z);Q.x+=F*this.impulse3.x;Q.y+=F*this.impulse3.y;M+=U*(E*this.impulse3.y-R*this.impulse3.x+this.impulse3.z)}else{N=I.m_xf.R;D=this.m_localAnchor1.x-I.m_sweep.localCenter.x;B=this.m_localAnchor1.y-I.m_sweep.localCenter.y;H=N.col1.x*D+N.col2.x*B;B=N.col1.y*D+N.col2.y*B;D=H;N=G.m_xf.R;E=this.m_localAnchor2.x-G.m_sweep.localCenter.x;R=this.m_localAnchor2.y-G.m_sweep.localCenter.y;H=N.col1.x*E+N.col2.x*R;R=N.col1.y*E+N.col2.y*R;E=H;this.m_mass.Solve22(this.impulse2,-(Q.x+-M*R-O.x- -K*B),-(Q.y+M*E-O.y-K*D));this.m_impulse.x+=this.impulse2.x;this.m_impulse.y+=this.impulse2.y;O.x-=L*this.impulse2.x;O.y-=L*this.impulse2.y;K-=A*(D*this.impulse2.y-B*this.impulse2.x);Q.x+=F*this.impulse2.x;Q.y+=F*this.impulse2.y;M+=U*(E*this.impulse2.y-R*this.impulse2.x)}I.m_linearVelocity.SetV(O);I.m_angularVelocity=K;G.m_linearVelocity.SetV(Q);G.m_angularVelocity=M};h.prototype.SolvePositionConstraints=function(){var N=0,I,G=this.m_bodyA,H=this.m_bodyB,D=0,B=I=0,E=0,R=0;if(this.m_enableLimit&&this.m_limitState!=x.e_inactiveLimit){N=H.m_sweep.a-G.m_sweep.a-this.m_referenceAngle;var O=0;if(this.m_limitState==x.e_equalLimits){N=t.Clamp(N-this.m_lowerAngle,-AE.b2_maxAngularCorrection,AE.b2_maxAngularCorrection);O=-this.m_motorMass*N;D=t.Abs(N)}else{if(this.m_limitState==x.e_atLowerLimit){N=N-this.m_lowerAngle;D=-N;N=t.Clamp(N+AE.b2_angularSlop,-AE.b2_maxAngularCorrection,0);O=-this.m_motorMass*N}else{if(this.m_limitState==x.e_atUpperLimit){D=N=N-this.m_upperAngle;N=t.Clamp(N-AE.b2_angularSlop,0,AE.b2_maxAngularCorrection);O=-this.m_motorMass*N}}}G.m_sweep.a-=G.m_invI*O;H.m_sweep.a+=H.m_invI*O;G.SynchronizeTransform();H.SynchronizeTransform()}I=G.m_xf.R;O=this.m_localAnchor1.x-G.m_sweep.localCenter.x;N=this.m_localAnchor1.y-G.m_sweep.localCenter.y;B=I.col1.x*O+I.col2.x*N;N=I.col1.y*O+I.col2.y*N;O=B;I=H.m_xf.R;var K=this.m_localAnchor2.x-H.m_sweep.localCenter.x,Q=this.m_localAnchor2.y-H.m_sweep.localCenter.y;B=I.col1.x*K+I.col2.x*Q;Q=I.col1.y*K+I.col2.y*Q;K=B;E=H.m_sweep.c.x+K-G.m_sweep.c.x-O;R=H.m_sweep.c.y+Q-G.m_sweep.c.y-N;var M=E*E+R*R;I=Math.sqrt(M);B=G.m_invMass;var L=H.m_invMass,F=G.m_invI,A=H.m_invI,S=10*AE.b2_linearSlop;if(M>S*S){M=1/(B+L);E=M*-E;R=M*-R;G.m_sweep.c.x-=0.5*B*E;G.m_sweep.c.y-=0.5*B*R;H.m_sweep.c.x+=0.5*L*E;H.m_sweep.c.y+=0.5*L*R;E=H.m_sweep.c.x+K-G.m_sweep.c.x-O;R=H.m_sweep.c.y+Q-G.m_sweep.c.y-N}this.K1.col1.x=B+L;this.K1.col2.x=0;this.K1.col1.y=0;this.K1.col2.y=B+L;this.K2.col1.x=F*N*N;this.K2.col2.x=-F*O*N;this.K2.col1.y=-F*O*N;this.K2.col2.y=F*O*O;this.K3.col1.x=A*Q*Q;this.K3.col2.x=-A*K*Q;this.K3.col1.y=-A*K*Q;this.K3.col2.y=A*K*K;this.K.SetM(this.K1);this.K.AddM(this.K2);this.K.AddM(this.K3);this.K.Solve(h.tImpulse,-E,-R);E=h.tImpulse.x;R=h.tImpulse.y;G.m_sweep.c.x-=G.m_invMass*E;G.m_sweep.c.y-=G.m_invMass*R;G.m_sweep.a-=G.m_invI*(O*R-N*E);H.m_sweep.c.x+=H.m_invMass*E;H.m_sweep.c.y+=H.m_invMass*R;H.m_sweep.a+=H.m_invI*(K*R-Q*E);G.SynchronizeTransform();H.SynchronizeTransform();return I<=AE.b2_linearSlop&&D<=AE.b2_angularSlop};Box2D.postDefs.push(function(){Box2D.Dynamics.Joints.b2RevoluteJoint.tImpulse=new AB});Box2D.inherit(b,Box2D.Dynamics.Joints.b2JointDef);b.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;b.b2RevoluteJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=new AB;this.localAnchorB=new AB};b.prototype.b2RevoluteJointDef=function(){this.__super.b2JointDef.call(this);this.type=x.e_revoluteJoint;this.localAnchorA.Set(0,0);this.localAnchorB.Set(0,0);this.motorSpeed=this.maxMotorTorque=this.upperAngle=this.lowerAngle=this.referenceAngle=0;this.enableMotor=this.enableLimit=false};b.prototype.Initialize=function(D,B,A){this.bodyA=D;this.bodyB=B;this.localAnchorA=this.bodyA.GetLocalPoint(A);this.localAnchorB=this.bodyB.GetLocalPoint(A);this.referenceAngle=this.bodyB.GetAngle()-this.bodyA.GetAngle()};Box2D.inherit(AL,Box2D.Dynamics.Joints.b2Joint);AL.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;AL.b2WeldJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_localAnchorA=new AB;this.m_localAnchorB=new AB;this.m_impulse=new AI;this.m_mass=new o};AL.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA)};AL.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB)};AL.prototype.GetReactionForce=function(A){if(A===undefined){A=0}return new AB(A*this.m_impulse.x,A*this.m_impulse.y)};AL.prototype.GetReactionTorque=function(A){if(A===undefined){A=0}return A*this.m_impulse.z};AL.prototype.b2WeldJoint=function(A){this.__super.b2Joint.call(this,A);this.m_localAnchorA.SetV(A.localAnchorA);this.m_localAnchorB.SetV(A.localAnchorB);this.m_referenceAngle=A.referenceAngle;this.m_impulse.SetZero();this.m_mass=new o};AL.prototype.InitVelocityConstraints=function(I){var G,E=0,F=this.m_bodyA,B=this.m_bodyB;G=F.m_xf.R;var A=this.m_localAnchorA.x-F.m_sweep.localCenter.x,D=this.m_localAnchorA.y-F.m_sweep.localCenter.y;E=G.col1.x*A+G.col2.x*D;D=G.col1.y*A+G.col2.y*D;A=E;G=B.m_xf.R;var M=this.m_localAnchorB.x-B.m_sweep.localCenter.x,K=this.m_localAnchorB.y-B.m_sweep.localCenter.y;E=G.col1.x*M+G.col2.x*K;K=G.col1.y*M+G.col2.y*K;M=E;G=F.m_invMass;E=B.m_invMass;var H=F.m_invI,L=B.m_invI;this.m_mass.col1.x=G+E+D*D*H+K*K*L;this.m_mass.col2.x=-D*A*H-K*M*L;this.m_mass.col3.x=-D*H-K*L;this.m_mass.col1.y=this.m_mass.col2.x;this.m_mass.col2.y=G+E+A*A*H+M*M*L;this.m_mass.col3.y=A*H+M*L;this.m_mass.col1.z=this.m_mass.col3.x;this.m_mass.col2.z=this.m_mass.col3.y;this.m_mass.col3.z=H+L;if(I.warmStarting){this.m_impulse.x*=I.dtRatio;this.m_impulse.y*=I.dtRatio;this.m_impulse.z*=I.dtRatio;F.m_linearVelocity.x-=G*this.m_impulse.x;F.m_linearVelocity.y-=G*this.m_impulse.y;F.m_angularVelocity-=H*(A*this.m_impulse.y-D*this.m_impulse.x+this.m_impulse.z);B.m_linearVelocity.x+=E*this.m_impulse.x;B.m_linearVelocity.y+=E*this.m_impulse.y;B.m_angularVelocity+=L*(M*this.m_impulse.y-K*this.m_impulse.x+this.m_impulse.z)}else{this.m_impulse.SetZero()}};AL.prototype.SolveVelocityConstraints=function(){var R,M=0,K=this.m_bodyA,L=this.m_bodyB,G=K.m_linearVelocity,F=K.m_angularVelocity,H=L.m_linearVelocity,V=L.m_angularVelocity,S=K.m_invMass,N=L.m_invMass,U=K.m_invI,Q=L.m_invI;R=K.m_xf.R;var O=this.m_localAnchorA.x-K.m_sweep.localCenter.x,I=this.m_localAnchorA.y-K.m_sweep.localCenter.y;M=R.col1.x*O+R.col2.x*I;I=R.col1.y*O+R.col2.y*I;O=M;R=L.m_xf.R;var E=this.m_localAnchorB.x-L.m_sweep.localCenter.x,D=this.m_localAnchorB.y-L.m_sweep.localCenter.y;M=R.col1.x*E+R.col2.x*D;D=R.col1.y*E+R.col2.y*D;E=M;R=H.x-V*D-G.x+F*I;M=H.y+V*E-G.y-F*O;var A=V-F,B=new AI;this.m_mass.Solve33(B,-R,-M,-A);this.m_impulse.Add(B);G.x-=S*B.x;G.y-=S*B.y;F-=U*(O*B.y-I*B.x+B.z);H.x+=N*B.x;H.y+=N*B.y;V+=Q*(E*B.y-D*B.x+B.z);K.m_angularVelocity=F;L.m_angularVelocity=V};AL.prototype.SolvePositionConstraints=function(){var N,I=0,G=this.m_bodyA,H=this.m_bodyB;N=G.m_xf.R;var D=this.m_localAnchorA.x-G.m_sweep.localCenter.x,B=this.m_localAnchorA.y-G.m_sweep.localCenter.y;I=N.col1.x*D+N.col2.x*B;B=N.col1.y*D+N.col2.y*B;D=I;N=H.m_xf.R;var E=this.m_localAnchorB.x-H.m_sweep.localCenter.x,R=this.m_localAnchorB.y-H.m_sweep.localCenter.y;I=N.col1.x*E+N.col2.x*R;R=N.col1.y*E+N.col2.y*R;E=I;N=G.m_invMass;I=H.m_invMass;var O=G.m_invI,K=H.m_invI,Q=H.m_sweep.c.x+E-G.m_sweep.c.x-D,M=H.m_sweep.c.y+R-G.m_sweep.c.y-B,L=H.m_sweep.a-G.m_sweep.a-this.m_referenceAngle,F=10*AE.b2_linearSlop,A=Math.sqrt(Q*Q+M*M),S=t.Abs(L);if(A>F){O*=1;K*=1}this.m_mass.col1.x=N+I+B*B*O+R*R*K;this.m_mass.col2.x=-B*D*O-R*E*K;this.m_mass.col3.x=-B*O-R*K;this.m_mass.col1.y=this.m_mass.col2.x;this.m_mass.col2.y=N+I+D*D*O+E*E*K;this.m_mass.col3.y=D*O+E*K;this.m_mass.col1.z=this.m_mass.col3.x;this.m_mass.col2.z=this.m_mass.col3.y;this.m_mass.col3.z=O+K;F=new AI;this.m_mass.Solve33(F,-Q,-M,-L);G.m_sweep.c.x-=N*F.x;G.m_sweep.c.y-=N*F.y;G.m_sweep.a-=O*(D*F.y-B*F.x+F.z);H.m_sweep.c.x+=I*F.x;H.m_sweep.c.y+=I*F.y;H.m_sweep.a+=K*(E*F.y-R*F.x+F.z);G.SynchronizeTransform();H.SynchronizeTransform();return A<=AE.b2_linearSlop&&S<=AE.b2_angularSlop};Box2D.inherit(C,Box2D.Dynamics.Joints.b2JointDef);C.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;C.b2WeldJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=new AB;this.localAnchorB=new AB};C.prototype.b2WeldJointDef=function(){this.__super.b2JointDef.call(this);this.type=x.e_weldJoint;this.referenceAngle=0};C.prototype.Initialize=function(D,B,A){this.bodyA=D;this.bodyB=B;this.localAnchorA.SetV(this.bodyA.GetLocalPoint(A));this.localAnchorB.SetV(this.bodyB.GetLocalPoint(A));this.referenceAngle=this.bodyB.GetAngle()-this.bodyA.GetAngle()}})();(function(){var A=Box2D.Dynamics.b2DebugDraw;A.b2DebugDraw=function(){this.m_xformScale=this.m_fillAlpha=this.m_alpha=this.m_lineThickness=this.m_drawScale=1;var B=this;this.m_sprite={graphics:{clear:function(){B.m_ctx.clearRect(0,0,B.m_ctx.canvas.width,B.m_ctx.canvas.height)}}}};A.prototype._color=function(C,B){return"rgba("+((C&16711680)>>16)+","+((C&65280)>>8)+","+(C&255)+","+B+")"};A.prototype.b2DebugDraw=function(){this.m_drawFlags=0};A.prototype.SetFlags=function(B){if(B===undefined){B=0}this.m_drawFlags=B};A.prototype.GetFlags=function(){return this.m_drawFlags};A.prototype.AppendFlags=function(B){if(B===undefined){B=0}this.m_drawFlags|=B};A.prototype.ClearFlags=function(B){if(B===undefined){B=0}this.m_drawFlags&=~B};A.prototype.SetSprite=function(B){this.m_ctx=B};A.prototype.GetSprite=function(){return this.m_ctx};A.prototype.SetDrawScale=function(B){if(B===undefined){B=0}this.m_drawScale=B};A.prototype.GetDrawScale=function(){return this.m_drawScale};A.prototype.SetLineThickness=function(B){if(B===undefined){B=0}this.m_lineThickness=B;this.m_ctx.strokeWidth=B};A.prototype.GetLineThickness=function(){return this.m_lineThickness};A.prototype.SetAlpha=function(B){if(B===undefined){B=0}this.m_alpha=B};A.prototype.GetAlpha=function(){return this.m_alpha};A.prototype.SetFillAlpha=function(B){if(B===undefined){B=0}this.m_fillAlpha=B};A.prototype.GetFillAlpha=function(){return this.m_fillAlpha};A.prototype.SetXFormScale=function(B){if(B===undefined){B=0}this.m_xformScale=B};A.prototype.GetXFormScale=function(){return this.m_xformScale};A.prototype.DrawPolygon=function(E,D,F){if(D){var C=this.m_ctx,B=this.m_drawScale;C.beginPath();C.strokeStyle=this._color(F.color,this.m_alpha);C.moveTo(E[0].x*B,E[0].y*B);for(F=1;F<D;F++){C.lineTo(E[F].x*B,E[F].y*B)}C.lineTo(E[0].x*B,E[0].y*B);C.closePath();C.stroke()}};A.prototype.DrawSolidPolygon=function(E,D,F){if(D){var C=this.m_ctx,B=this.m_drawScale;C.beginPath();C.strokeStyle=this._color(F.color,this.m_alpha);C.fillStyle=this._color(F.color,this.m_fillAlpha);C.moveTo(E[0].x*B,E[0].y*B);for(F=1;F<D;F++){C.lineTo(E[F].x*B,E[F].y*B)}C.lineTo(E[0].x*B,E[0].y*B);C.closePath();C.fill();C.stroke()}};A.prototype.DrawCircle=function(E,D,F){if(D){var C=this.m_ctx,B=this.m_drawScale;C.beginPath();C.strokeStyle=this._color(F.color,this.m_alpha);C.arc(E.x*B,E.y*B,D*B,0,Math.PI*2,true);C.closePath();C.stroke()}};A.prototype.DrawSolidCircle=function(H,E,L,D){if(E){var C=this.m_ctx,F=this.m_drawScale,I=H.x*F,J=H.y*F;C.moveTo(0,0);C.beginPath();C.strokeStyle=this._color(D.color,this.m_alpha);C.fillStyle=this._color(D.color,this.m_fillAlpha);C.arc(I,J,E*F,0,Math.PI*2,true);C.moveTo(I,J);C.lineTo((H.x+L.x*E)*F,(H.y+L.y*E)*F);C.closePath();C.fill();C.stroke()}};A.prototype.DrawSegment=function(E,D,F){var C=this.m_ctx,B=this.m_drawScale;C.strokeStyle=this._color(F.color,this.m_alpha);C.beginPath();C.moveTo(E.x*B,E.y*B);C.lineTo(D.x*B,D.y*B);C.closePath();C.stroke()};A.prototype.DrawTransform=function(C){var B=this.m_ctx,D=this.m_drawScale;B.beginPath();B.strokeStyle=this._color(16711680,this.m_alpha);B.moveTo(C.position.x*D,C.position.y*D);B.lineTo((C.position.x+this.m_xformScale*C.R.col1.x)*D,(C.position.y+this.m_xformScale*C.R.col1.y)*D);B.strokeStyle=this._color(65280,this.m_alpha);B.moveTo(C.position.x*D,C.position.y*D);B.lineTo((C.position.x+this.m_xformScale*C.R.col2.x)*D,(C.position.y+this.m_xformScale*C.R.col2.y)*D);B.closePath();B.stroke()}})();var i;for(i=0;i<Box2D.postDefs.length;++i){Box2D.postDefs[i]()}delete Box2D.postDefs;(function(B){B.fn.vs=function(){};B.fn._vs={};B.fn._vs.token={};B.fn._vs.draw={};B.fn._vs.stream={};B.fn._vs.chart={};B.fn._vs.phy={};B.fn._vs.decay={};B.fn._vs.flocculate={};B.fn._vs.strata={};B.fn._vs.aggregate={};var A=function(E,O){this.token=B.fn._vs.token;this.draw=B.fn._vs.draw;this.stream=B.fn._vs.stream;this.chart=B.fn._vs.chart;this.phy=B.fn._vs.phy;this.decay=B.fn._vs.decay;this.flocculate=B.fn._vs.flocculate;this.strata=B.fn._vs.strata;this.requestAnimFrame;this.mouse={};this.mouse.x=0;this.mouse.y=0;this.mouse.isMouseDragging=false;this.mouse.isMouseDown=false;this.mouse.selectedBody=null;this.dataFlow=[];this.chartPhySetup={};this.tokens=[];this.world=null;this.ctx=null;var D=B(E);var M=this;var L=[];var N;var C;var H={x:0,y:0,width:290.5,height:300.5,DOMelement:null,chart:{x:undefined,y:undefined,width:undefined,height:undefined,colorRange:d3.scale.category10(),scale:d3.scale,type:"StackedAreaChart",spacer:5,column:3,wallColor:"rgba(230,230,230,0)",label:true,radius:10},data:{model:[{label:"Column A"},{label:"Column B"},{label:"Column C"},],strata:[[{initValue:100,label:"Strata 1 col A"}],[{initValue:20,label:"Strata 1 col B"}],[{initValue:175,label:"Strata 2 col C"}]],token:[{timestamp:1,category:1,value:1,userdata:{},callback:{}}],tokenPast:0,stream:{provider:"generator",refresh:10000/8,now:0},},sedimentation:{token:{size:{original:4,minimum:2},visible:true},incoming:{strategy:1,point:[{x:50,y:0},{x:100,y:0},{x:150,y:0}],target:[{x:50,y:0},{x:100,y:0},{x:150,y:0}]},granulate:{visible:false},flocculate:{number:1,action:"buffer",strategy:"Size",bufferSize:5,bufferTime:1000,bufferHeight:50,bufferFrameRate:25,buffer:[]},suspension:{height:null,incomming:"top",decay:{power:1.001},refresh:200},accumulation:{height:null},aggregation:{height:0,maxData:0,invertStrata:false},},options:{refresh:1000/25,panel:false,scale:30,layout:false,canvasFirst:true}};this.now=function(){return(new Date().getTime())};this.globalDecay=function(P){if(typeof(P)=="undefined"){return this.settings.sedimentation.suspension.decay.power}else{return this.settings.sedimentation.suspension.decay.power=P}};this.getWorld=function(){return this.world};this.chartUpdate=function(P,R){var Q={cat:P,y:R};this.chart[this.settings.chart.type](M,"update",Q)};this.flocculateTokens=function(P){return this.flocculate.update(M,P)};this.flocculateAll=function(){return this.flocculate.all(M)};this.addToken=function(P){return this.token.addToken(M,P)};this.selectAll=function(P,Q){return this.token.selectAll(M,P,Q)};this.select=function(P,Q){return this.token.select(M,P,Q)};this.updateAll=function(P){var Q=this.chart.updateAll(M,key,value);return Q};this.update=function(P,Q){var R=this.chart.update(M,P,Q);return R};function J(S,R){var Q={};for(var P in S){Q[P]=S[P]}for(var P in R){Q[P]=R[P]}return Q}J(H,O);if(O.data!=undefined){H.data=O.data}this.settings=B.extend(true,H,O);this.settings.DOMelement=E;if(typeof(this.settings.chart.width)=="undefined"){this.settings.chart.width=this.settings.width}if(typeof(this.settings.chart.x)=="undefined"){this.settings.chart.x=0}if(typeof(this.settings.chart.y)=="undefined"){this.settings.chart.y=0}if(typeof(this.settings.chart.height)=="undefined"){this.settings.chart.height=this.settings.height}if(typeof(this.settings.stream)=="undefined"){this.settings.stream={}}if(typeof(this.settings.stream.now)=="undefined"){this.settings.stream.now=0}if(typeof(this.settings.stream.provider)=="undefined"){this.settings.stream.provider="generator"}if(typeof(this.settings.stream.refresh)=="undefined"){this.settings.stream.refresh=1000}if(typeof(this.settings.data.tokenPast)=="undefined"){this.settings.data.tokenPast=0}if(typeof(this.settings.data.tokens)=="undefined"){this.settings.data.tokens=[]}if(typeof(this.settings.data.strata)!="undefined"&&this.settings.data.strata.length!=0){if(typeof(this.settings.sedimentation.aggregation)=="undefined"){this.settings.sedimentation.aggregation={}}if(typeof(this.settings.sedimentation.aggregation.height)=="undefined"){this.settings.sedimentation.aggregation.height=this.settings.chart.height/2}if(typeof(this.settings.sedimentation.aggregation.maxData)=="undefined"){this.settings.sedimentation.aggregation.maxData=10}}this.init=function(){this.requestAnimFrame=(function(){return window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame||function(W,V){window.setTimeout(W,1000/60)}})();this.world=new this.phy.b2World(new this.phy.b2Vec2(0,0),true);var Q=E.appendChild(document.createElement("div"));Q.id="box_sediviz_"+I();Q.width=this.settings.width;Q.height=this.settings.height;this.settings.DOMelement=Q;C=Q.appendChild(document.createElement("canvas"));C.id="canvas";C.width=this.settings.width;C.height=this.settings.height;C.style.position="absolute";this.ctx=C.getContext("2d");this.chart[this.settings.chart.type](M,"init");this.stream.init(M);this.flocculate.init(M);this.stream.update(M);this.token.init(M);this.strata.init(this);window.setInterval(function(){M.update(M)},M.settings.options.refresh/2);window.setInterval(function(){M.draw.update(M)},M.settings.options.refresh);window.setInterval(function(){M.decay.update(M)},M.settings.sedimentation.suspension.refresh);M.strata.update(M);this.getBodyAtMouse=function(b){var V=b.mouse.x/b.settings.options.scale;var Z=b.mouse.y/b.settings.options.scale;var Y=new b.phy.b2Vec2(V,Z);var W=new b.phy.b2AABB();var X=0.001;W.lowerBound.Set(V-X,Z-X);W.upperBound.Set(V+X,Z+X);b.mouse.selectedToken=null;b.world.QueryAABB(function(e){return T(e,b,Y)},W);return b.mouse.selectedToken};function T(W,X,V){X.mouse.selectedToken=W;if(W.GetBody().GetType()!=X.phy.b2Body.b2_staticBody){if(W.GetShape().TestPoint(W.GetBody().GetTransform(),V)){X.mouse.selectedToken=W;return false}}return true}this.handleMouseMove=function(V,W){canvasPosition=F(W.settings.DOMelement);W.mouse.x=(V.clientX-(canvasPosition.offsetLeft-this.getScrollPosition()[0]));W.mouse.y=(V.clientY-(canvasPosition.offsetTop-this.getScrollPosition()[1]))};this.getScrollPosition=function(){return Array((document.documentElement&&document.documentElement.scrollLeft)||window.pageXOffset||M.pageXOffset||document.body.scrollLeft,(document.documentElement&&document.documentElement.scrollTop)||window.pageYOffset||M.pageYOffset||document.body.scrollTop)};document.addEventListener("mousemove",function(V){S(V,M)});document.addEventListener("mouseup",function(V){U(V,M)});document.addEventListener("mousedown",function(V){R(V,M)});function P(Y,b){var W=b.getBodyAtMouse(b);if(W!=null){if(typeof(W.m_userData)!="undefined"){if(typeof(W.m_userData.callback)!="undefined"){if(typeof(W.m_userData.callback.mouseover)=="function"){var V=b.select("ID",W.m_userData.ID);W.m_userData.callback.mouseover(V)}if(typeof(W.m_userData.callback.mouseout)=="function"){var V=b.select("ID",W.m_userData.ID);var Z;var X=function(){var f=Z;var h=V;var e=b;var g=W;return function(){var k=e.getBodyAtMouse(e);var 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sd}).enter().append("g").attr("class","gpath");var area=d3.svg.area().x(function(d){return _this.settings.chart.spacer+d.x*(w-2*_this.settings.chart.spacer)/smx}).y0(function(d){return(h-d.y0*d.offshit)}).y1(function(d){return(h-(d.y+d.y0)*d.offshit)});var pathlayer=gpath.append("path").attr("d",function(d,i){_this.chartUpdate(i,-y(sum_strata[i])-(h-_this.settings.chart.height));hh=0;d.map(function(dd){dd.offshit=hh;return dd});return area(d)});pathlayer.style("fill",function(d,i){if(_this.strata.stratas[d[0].col][i].texture!=null){return"url(#RectanglePattern_"+d[0].col+"_"+i+")"}else{return d3.rgb(color(d[0].col)).darker(_this.strata.stratas[d[0].col].length/2-(i+1)/2)}}).attr("class",function(d,i){return"gcol col_"+d[0].col+" layer_"+i});var patternWidth=w/1;var patternHeight=patternWidth;if(typeof _this.settings.data.strata!="undefined"){for(var s=0;s<_this.settings.data.strata.length;s++){for(var l=0;l<_this.settings.data.strata[s].length;l++){if(_this.settings.data.strata[s][l].texture!=null){var pattern=vis.append("pattern").attr("id","RectanglePattern_"+s+"_"+l).attr("height",patternHeight).attr("width",patternWidth).attr("patternTransform","translate(0, 0) scale("+_this.settings.data.strata[s][l].texture.size+", "+_this.settings.data.strata[s][l].texture.size+") rotate(0)").attr("patternUnits","userSpaceOnUse");pattern.append("image").attr("x",0).attr("y",0).attr("height",patternHeight).attr("width",patternWidth).attr("xlink:href",function(){return _this.settings.data.strata[s][l].texture.url})}}}}}else{if(_this.settings.chart.type=="CircleLayout"){var svg=d3.select("#"+_this.settings.DOMelement.id).append("div").attr("class","vis").attr("width",_this.settings.width).attr("height",_this.settings.height).append("svg").attr("width",_this.settings.width).attr("height",_this.settings.height);if(typeof(_this.settings.chart.treeLayout)!="undefined"){for(var i=0;i<_this.settings.data.model.length;i++){var data=_this.settings.data.strata[i];var color=function(s){return _this.token.colorRange(i)};_this.strata.create_pie_chart(_this,data,svg,data[0].value,color,((i+1/2))*_this.settings.chart.width/(_this.settings.data.model.length)+_this.settings.chart.x,_this.settings.chart.y+_this.settings.chart.height/6)}}else{var data=_this.settings.data.strata.map(function(d){return{value:d[0].value}});var color=_this.token.colorRange;_this.strata.create_pie_chart(_this,data,svg,_this.settings.chart.radius,color,_this.settings.chart.x+_this.settings.chart.width/2,_this.settings.chart.y+_this.settings.chart.height/2)}}}},create_pie_chart:function(_this,data,svg,r,color,posx,posy){var w=_this.settings.width/_this.settings.data.model.length,h=_this.settings.sedimentation.aggregation.height;var x=d3.scale.linear().domain([0,_this.settings.data.strata.length-1]).range([0,_this.settings.width]);var y=d3.scale.linear().domain([0,d3.max(data,function(d){return d.value})]).rangeRound([0,h]);var wp=_this.settings.width,hp=_this.settings.height,hhp=_this.settings.sedimentation.aggregation.height;labelr=r+30,donut=d3.layout.pie().sort(null),arc=d3.svg.arc().innerRadius(0).outerRadius(r);var id=Math.random();svg.append("g.arcs_"+id).attr("class","arcs_"+id);var garcs=svg.selectAll(".arcs").data(donut(data.map(function(d,i){return d.value}))).enter().append("svg:g").attr("transform","translate("+posx+","+posy+")");var hh=0;var area=d3.svg.area().x(function(d){return _this.settings.chart.spacer+d.x*(w-2*_this.settings.chart.spacer)/smx}).y0(function(d){return(h-d.y0*hh)}).y1(function(d){return(h-(d.y+d.y0)*hh)});var arcs=garcs.append("path").attr("fill",function(d,i){return color(i)}).attr("d",function(d,i){return arc(d)}).each(function(d){this._current=d})},update:function(_this){if(typeof(_this.strata.stratas)=="undefined"||_this.strata.stratas.length==0){return}if(typeof settings.data.strata=="function"){_this.strata.stratas=settings.data.strata()}var sn=_this.strata.stratas[0].length,sm=20;smx=sm-1,smy=0;var w=_this.settings.chart.width/_this.settings.data.model.length,h=_this.settings.sedimentation.aggregation.height;var color=_this.token.colorRange;var area=d3.svg.area().x(function(d){return _this.settings.chart.spacer+d.x*(w-2*_this.settings.chart.spacer)/smx}).y0(function(d){return(h-d.y0*d.offshit)}).y1(function(d){return(h-(d.y+d.y0)*d.offshit)});var sum_strata=_this.strata.stratas.map(function(d,i){for(var v=0,res=0;v<d.length;v++){res+=d[v].value(_this,i)}return res});var y=d3.scale.linear().domain([0,Math.max(d3.max(sum_strata),_this.settings.sedimentation.aggregation.maxData)]).range([0,_this.settings.sedimentation.aggregation.height]);var vis=d3.select("#"+_this.settings.DOMelement.id);var g=vis.selectAll("g.gcol");if(_this.settings.sedimentation.aggregation.invertStrata){g.transition().duration(100).attr("transform",function(d,i){var align=_this.settings.sedimentation.aggregation.height;align=2*_this.settings.sedimentation.aggregation.height-y(sum_strata[i]);return"translate("+(i*w)+", "+(_this.settings.chart.height-(2*_this.settings.sedimentation.aggregation.height-y(sum_strata[i])))+")"})}var gpath=g.selectAll("path").data(function(d,i){var sd=d3.layout.stack().offset("expand")(_this.strata.strata_layers(_this,d.length,sm,i));smy=d3.max(sd,function(d){return d3.max(d,function(d){return d.y0+d.y})});sd.map(function(d){d.map(function(d){d.col=i;return d})});return sd});if(_this.settings.chart.type=="StackedAreaChart"){var pathlayer=vis.selectAll("path").transition().duration(100).attr("d",function(d,i){if(!_this.settings.sedimentation.aggregation.invertStrata){_this.chartUpdate(i,-y(sum_strata[i])-(h-_this.settings.chart.height));hh=_this.settings.chart.height-_this.chart.getPosition(_this)[d[0].col].y}else{_this.chartUpdate(i,-2*h+_this.settings.chart.height);hh=y(sum_strata[d[0].col])}d.map(function(dd){dd.offshit=hh;return dd});return area(d)})}}}})(jQuery);(function(A){A.fn._vs.chart.StackedAreaChart=function(F,E,D){var C;this.init=function(G){gravity=new G.phy.b2Vec2(0.001,10);G.world.m_gravity=gravity;G.chartPhySetup={grounds:[],wall:[]};this.setupChartPhysics(G)};this.setupChartPhysics=function(L){var M=L.settings.chart.spacer;var O=(L.settings.chart.width/L.settings.data.model.length);var H=M;var P=L.settings.chart.height/2+L.settings.chart.y;var N=L.settings.chart.height-L.settings.sedimentation.aggregation.height;var I=0;for(var K=0;K<L.settings.data.model.length;K++){L.settings.data.model[K].value=0;if(typeof(L.settings.data.strata)!="undefined"){if(typeof(L.settings.data.strata[K])!="undefined"){for(var J=0;J<L.settings.data.strata[K].length;J++){L.settings.data.model[K].value+=L.settings.data.strata[K][J].value}}}I+=L.settings.data.model[K].value}for(var K=0;K<L.settings.data.model.length+1;K++){var G=L.settings.chart.x+(K*O);L.chartPhySetup.wall[K]=this.createMyChartBox(L,G,P,H,L.settings.chart.height/2,"wall",L.settings.chart.wallColor);if(K<L.settings.data.model.length){L.settings.sedimentation.incoming.point[K]={x:G+(O/2),y:L.settings.y}}if(K<L.settings.data.model.length){L.chartPhySetup.grounds[K]=this.createMyChartBox(L,G+(O/2),L.settings.chart.height+L.settings.chart.y+L.settings.sedimentation.aggregation.height,O/2,L.settings.chart.height,"lift","rgba(250,250,250,0)");this.update(L,{cat:K,y:L.settings.chart.height})}}};this.token=function(J,G){var I=G;var H={x:(J.settings.sedimentation.incoming.point[I].x+(Math.random()*2)),y:(J.settings.sedimentation.incoming.point[I].y+(Math.random()*1)),t:J.now(),size:J.settings.sedimentation.token.size.original,category:I,lineWidth:0,};return H};this.createMyChartBox=function(M,P,O,Q,L,N,J){var I=M.settings.options.scale;var G=new M.phy.b2FixtureDef;G.density=1;G.friction=0.5;G.restitution=0.2;var H=new M.phy.b2BodyDef;H.type=M.phy.b2Body.b2_staticBody;G.shape=new M.phy.b2PolygonShape;G.shape.SetAsBox(Q/I,L/I);H.position.Set(P/I,O/I);var K=M.world.CreateBody(H).CreateFixture(G);K.m_userData={type:N,fillStyle:J,w:Q,h:L,x:P,y:O};return K};this.update=function(K,J){var I={cat:0,y:0};if(K.chartPhySetup.grounds[J.cat]!=null){var H=K.chartPhySetup.grounds[J.cat].GetBody();var G=H.GetWorldCenter();G.y=(J.y+K.settings.chart.height+K.settings.chart.y+K.settings.sedimentation.aggregation.height)/K.settings.options.scale;H.SetPosition(G)}};this.getPositionOld=function(I){var G=[];for(var H=0;H<I.chartPhySetup.grounds.length;H++){myElement=I.chartPhySetup.grounds[H];myBody=myElement.GetBody();G.push({x:(myBody.GetWorldCenter().x*I.settings.options.scale),y:(myBody.GetWorldCenter().y*I.settings.options.scale),a:myBody.GetAngle(),w:myElement.m_userData.w,h:myElement.m_userData.h,r:myElement.m_userData.r,})}return G};this.getPosition=function(I){var G=[];for(var H=0;H<I.chartPhySetup.grounds.length;H++){myElement=I.chartPhySetup.grounds[H];myBody=myElement.GetBody();G.push({x:(myBody.GetWorldCenter().x*I.settings.options.scale),y:(myBody.GetWorldCenter().y*I.settings.options.scale)-I.settings.chart.height-I.settings.chart.y,a:myBody.GetAngle(),w:myElement.m_userData.w,h:myElement.m_userData.h,r:myElement.m_userData.r,})}return G};if(typeof(E)!=undefined){var B=this[E](F,D);if(typeof(B)!=undefined){return B}}}})(jQuery);(function(A){A.fn._vs.chart.CircleLayout=function(I,M,Q){var H;var K;var J;var G;var N=[];var E=0;var I;this.init=function(U,S){console.log("Circle Layout Init");this._this=U;gravity=new U.phy.b2Vec2(0,0);U.world.m_gravity=gravity;U.chartPhySetup={grounds:[],wall:[]};this.treeLayout=U.settings.chart.treeLayout;for(var T=0;T<U.settings.data.model.length;T++){U.settings.data.strata[T][0].value=U.settings.data.strata[T][0].initValue}for(var T=0;T<U.settings.data.model.length;T++){U.settings.data.model[T].value=0;for(var R=0;R<U.settings.data.strata[T].length;R++){U.settings.data.model[T].value+=U.settings.data.strata[T][R].value}N.push(U.settings.data.model[T].value);E+=U.settings.data.model[T].value}if(this.treeLayout){console.log("ici");this.setupBubbleChartPhysics(U)}else{this.setupPieChartPhysics(U)}};this.setupPieChartPhysics=function(X){console.log("w",X.settings.width);var S=X.settings.chart.radius;K=X.settings.chart.width/2+X.settings.chart.x;J=X.settings.chart.height/2+X.settings.chart.y;var V=O(K,J,S,X.settings.chart.wallColor);for(var U=0;U<X.settings.data.model.length;U++){X.settings.sedimentation.incoming.target[U]={x:K,y:J}}var R=[];var T=X.settings.chart.spacer;var W=0;console.log("tdv",E);if(E==0){for(var U=0;U<X.settings.data.length;U++){N[U]=1}E=N.length}for(var U=0;U<N.length;U++){v=N[U];a2=((v/2+W)/E)*360-90;W+=v;a=(W/E)*360-90;c=L(a2,S*5,K,J);console.log(c);X.settings.sedimentation.incoming.point[U]=c;X.chartPhySetup.grounds[U]=this.createBox(X,K,J,T,S,a,S,"wall",X.settings.chart.wallColor)}console.log("w",X.settings.chart.width)};this.update=function(Y,U){console.log("update");var T={cat:0,r:0};U.r-=90;var W=(U.r+90)*(Math.PI/180);var X=L(U.r,Y.settings.chart.radius,Y.settings.chart.width/2+Y.settings.chart.x,Y.settings.chart.height/2+Y.settings.chart.y);if(Y.chartPhySetup.grounds[U.cat]!=null){var S=Y.chartPhySetup.grounds[U.cat].GetBody();var R=S.GetWorldCenter();var V=S.GetAngle();R.y=X.y/Y.settings.options.scale;R.x=X.x/Y.settings.options.scale;V=W;S.SetPosition(R);S.SetAngle(V)}};this.token=function(U,R){var T=R;var S={x:(U.settings.sedimentation.incoming.point[T].x+(Math.random()*2)),y:(U.settings.sedimentation.incoming.point[T].y+(Math.random()*1)),t:U.now(),size:U.settings.sedimentation.token.size.original,category:T,phy:{density:10,friction:0,restitution:0},targets:[{x:U.settings.sedimentation.incoming.target[T].x,y:U.settings.sedimentation.incoming.target[T].y}]};return S};function L(T,S,X,U){j=T*Math.PI/180;var R=(Math.cos(j)*S)+X;var W=(Math.sin(j)*S)+U;var V={x:R,y:W};return V}function O(W,V,R,T){var Y=I.settings.options.scale;var X=new I.phy.b2FixtureDef;X.density=1;X.friction=0.5;X.restitution=0.2;var S=new I.phy.b2BodyDef;X.shape=new I.phy.b2CircleShape(R/Y);S.position.Set(W/Y,V/Y);var U=I.world.CreateBody(S).CreateFixture(X);U.m_userData={type:"wall",familyID:null,fillStyle:T,strokeStyle:T,r:R};return U}this.createBox=function(Z,k,f,l,Y,g,R,e,W){var V=Z.settings.options.scale;var S=new Z.phy.b2FixtureDef;var b=L(g,R,k,f);S.density=1;S.friction=0.5;S.restitution=0.2;var U=new Z.phy.b2BodyDef;var T=(g+90)*(Math.PI/180);U.angle=T;U.type=Z.phy.b2Body.b2_staticBody;S.shape=new Z.phy.b2PolygonShape;S.shape.SetAsBox(l/V,Y/V);U.position.Set(b.x/V,b.y/V);var X=Z.world.CreateBody(U).CreateFixture(S);X.m_userData={type:e,fillStyle:W,w:l,h:Y,r:R};return X};this.getPosition=function(T){var R=[];for(var S=0;S<T.chartPhySetup.grounds.length;S++){myElement=T.chartPhySetup.grounds[S];myBody=myElement.GetBody();R.push({x:(myBody.GetWorldCenter().x*T.settings.options.scale),y:(myBody.GetWorldCenter().y*T.settings.options.scale),a:myBody.GetAngle(),w:myElement.m_userData.w,h:myElement.m_userData.h,r:myElement.m_userData.r,})}return R};this.setupBubbleChartPhysics=function(Y){console.log("setupBubbleChartPhysics");var V=(Y.settings.chart.width/Y.settings.data.model.length);var T=Y.settings.chart.spacer;var S=Y.settings.chart.height/2+Y.settings.y+T;var W=0;var X=0;var R=Y.settings.chart.column;for(var U=0;U<Y.settings.data.model.length;U++){X=Y.settings.chart.x+(U%R*T)+(T/2);W=Y.settings.chart.y+Math.floor(U/R)*T+(T/2);Y.settings.sedimentation.incoming.target[U]={x:X,y:W};O[U]=C(X,W,Y.settings.chart.spacer,U);Y.settings.data.model[U].incomingPoint={x:X,y:W}}};function C(b,W,X,S){console.log("CreatMyBubblePivot",b,W,X,S);var U=I.settings.options.scale;var R=new I.phy.b2FixtureDef;var Z=d3.scale.category10();R.density=10000;R.friction=0;R.restitution=0;var V=new I.phy.b2BodyDef;R.shape=new I.phy.b2CircleShape(X*U);V.position.Set(b/U,W/U);var T=I.world.CreateBody(V);var Y=T.CreateFixture(R);console.log(S,Z(S));Y.m_userData={type:"BubblePivot",familyID:S,fillStyle:I.settings.chart.wallColor};console.log(S,Y);Y.m_shape.m_radius=I.settings.data.model[S].value/U;return Y}this.getPivotPosition=function(T){if(typeof(T)!="undefined"){return this.pivot}else{var R=[];for(var S=0;S<I.settings.data.model.length;S++){R.push(I.settings.data.model[S])}return R}};function D(S,U,T){var R=O[T].GetBody();R.SetPosition(new b2Vec2(S/scale,U/scale));I.settings.data.model[T].incomingPoint.x=S;I.settings.data.model[T].incomingPoint.y=U;setFlowSpeed(speedFlow)}function B(R,U,T){for(var S=0;S<categorys[T].joins.length;S++){categorys[T].joins[S].SetTarget(new b2Vec2(R/scale,U/scale))}}function F(R,S){O[S].m_shape.m_radius=R}if(typeof(M)!=undefined){var P=this[M](I,Q);if(typeof(P)!=undefined){return P}}}})(jQuery);
\ No newline at end of file
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/_VisualSedimentation.js
--- a/integ/js/vs/_VisualSedimentation.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,108 +0,0 @@
-// ....................................................................
-// Load Lib
-// ....................................................................
-
-var scripts = document.getElementsByTagName('script'),
-    currentScriptSrc = scripts[scripts.length-1].src, 
-		_vsDirectory = currentScriptSrc.replace('_VisualSedimentation.js', '');
-
-// external Librairy 
-includeJS(_vsDirectory+'lib/d3/d3.v2.js');
-includeJS(_vsDirectory+'lib/jQuery/jquery-1.4.2.min.js');
-includeJS(_vsDirectory+'lib/Box2DWeb/Box2DWeb-2.1.a.3.min.js');
-
-// Core, n_vsDirectory+'d
-includeJS(_vsDirectory+'_vs.js');
-includeJS(_vsDirectory+'_vs.phy.js');
-includeJS(_vsDirectory+'_vs.chart.js');
-includeJS(_vsDirectory+'_vs.draw.js');
-includeJS(_vsDirectory+'_vs.token2.js');
-includeJS(_vsDirectory+'_vs.stream.js');
-includeJS(_vsDirectory+'_vs.decay.js');
-includeJS(_vsDirectory+'_vs.strata.js');
-
-
-includeJS(_vsDirectory+'_vs.flocculate.js');
-includeJS(_vsDirectory+'_vs.aggregate.js');
-
-// js by C_vsDirectory+' type 
-includeJS(_vsDirectory+'_vs.chart.stackedareachart.js');
-includeJS(_vsDirectory+'_vs.chart.circlelayout.js');
-
-//console.log("stratas",$.fn._vs.strata)
-
-
-if(typeof(_vsCustomlayout)!="undefined"){
-    includeJS(_vsCustomlayout);
-    console.log("custom layout")
-}
-
-function includeJS(fJS){
-  document.write('<script type="text/javascript" src="'+ fJS + '"></script>'); 
-}
-
-function includeCSS(fCSS) {
- document.write(' <link type="text/css" href="'+ fCSS + '" rel="stylesheet"/>'); 
-}
-
-function GUID()
-{
-    var S4 = function ()
-    {
-        return Math.floor(
-                Math.random() * 0x10000 /* 65536 */
-            ).toString(16);
-    };
-
-    return (
-            S4() + S4() + "-" +
-            S4() + "-" +
-            S4() + "-" +
-            S4() + "-" +
-            S4() + S4() + S4()
-        );
-}
-
-// ....................................................................
-// If we want to replace Jquery ...
-// ....................................................................
-//var visualSedimentation, _vs;
-//(function() {
-//
-//    visualSedimentation = _vs = function(selector) {
-//        return new VisualSedimentation(selector);
-//    };
-//
-//    var VisualSedimentation = function(selector) {
-//        // Lets make a really simplistic selector implementation for demo purposes
-//        this.node = document.getElementById(selector);
-//        /*
-//        for (var i = 0; i < nodes.length; i++) {
-//            this[i] = nodes[i];
-//        }
-//        this.length = nodes.length;
-//        */
-//        return this;
-//    };
-//
-//    // Expose the prototype object via visualSedimentation.fn so methods can be added later
-//    visualSedimentation.fn = VisualSedimentation.prototype = {
-//        // API Methods
-//        hide: function() {
-//            this.node.style.display = 'none';
-//            return this;
-//        },
-//        show: function() {
-//            this.node.style.display = 'block';
-//            return this;
-//        },
-//        remove: function() {
-//            for (var i = 0; i < this.length; i++) {
-//                this[i].parentNode.removeChild(this[i]);
-//            }
-//            return this;
-//        }
-//        // More methods here, each using 'return this', to enable chaining
-//    };
-//
-//}());
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/_vs.aggregate.js
--- a/integ/js/vs/_vs.aggregate.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,470 +0,0 @@
-(function ($) {
-
-  $.fn._vs.aggregate = {
-      defaultSettings:{
-    },
-
-  // Returns n layers
-	strata_layers: function (_this, n, m, p) {
-        var sn = d3.scale.linear().domain([1, m-2]).range([Math.PI/2, 2*Math.PI-Math.PI/2]);  
-				var logscale = d3.scale.pow().exponent(10).domain([0, m]).range([0,1]);
-				
-        return d3.range(n).map(function(i) {
-					var r = 5*Math.random();
-				
-					return d3.range(m).map(function(j) {
-
-						if(_this.settings.sedimentation.aggregation.strataType=="sin") {
-						if(i==1) return 20;
-							var x = 5+r*5*Math.sin(sn(j))+(i*50);
-							if(x<0) return -x; else return x;
-						} else if(_this.settings.sedimentation.aggregation.strataType=="log") {
-							return i+1;
-							//return logscale(j);//logscale(i);
-						} else {
-							if(typeof(p)=='undefined')
-								p=0;
-								return _this.settings.data.strata[p][i].value;
-						}
-					}).map(stream_index);
-				});
-				
-				function stream_index(d, i) {
-					return {x: i, y: Math.max(0, d)};
-				}			
-			
-			},
-
-      init:function (_this){
-
-      	// Skip layers if no strata is defined
-				if(typeof(_this.settings.data.strata)=='undefined' || _this.settings.data.strata.length==0  || _this.settings.data.strata[0].length==0)
-					return;
-
-				var color = _this.token.colorRange; 
-
-
-      if(_this.settings.chart.type=='StackedAreaChart') {
-
-        var w = _this.settings.chart.width/_this.settings.data.model.length,
-            h = _this.settings.sedimentation.aggregation.height;
-
-        var vis = d3.select("#"+_this.settings.DOMelement.id)
-					//.insert("div", ":first-child")
-					.append("div")
-						.attr("class", "vis")
-					//	.style("position", "relative")
-						.style("z-index", 10)
-          .append("svg")
-            .attr("width", _this.settings.width)
-            .attr("height", _this.settings.height)
-
-					.append("g")
-						.attr("transform", "translate(" + _this.settings.chart.x + "," + _this.settings.chart.y + ")");
-
-        var g = vis.selectAll("g.gcol")
-            .data(_this.settings.data.strata, function(d) {return [d];})
-            .enter()
-          .append("g")
-            .attr("transform", function(d, i) {
-							return "translate("+(i*w)+", "+(_this.settings.chart.height-_this.settings.sedimentation.aggregation.height)+")";
-						}).attr("class", function(d,i) { return "gcol col_"+i;});;
-
-        var data =_this.settings.data.strata.map(function(d) { return {value:d[0].value};});    
-
-        var sn = _this.settings.data.strata[0].length, // number of layers
-						sm = 20; // number of samples per layer
-            smx = sm - 1, smy = 0;
-       
-				var hh=0;
-		
-				// Rectangular strata
-        var area = d3.svg.area()
-            .x(function(d) { return _this.settings.chart.spacer+d.x * (w-2*_this.settings.chart.spacer) / smx; })
-            .y0(function(d) { return (h - d.y0 * hh); }) //hh/smy
-            .y1(function(d) { return (h - (d.y + d.y0) * hh ); }); //hh/smy
-						
-        var hhh = [];
-
-        var gpath = g.selectAll("gpath")
-             .data(function(d,i) {
-                var sd = d3.layout.stack().offset("expand")(_this.aggregate.strata_layers(_this, d.length, sm, i));
-                smy = d3.max(sd, function(d) {
-                  return d3.max(d, function(d) {
-                    return d.y0 + d.y;
-                  });
-                });
-								sd.map(function(d) {d.map(function(d) {d.col=i;return d;});}); // Put col # in data
-                return sd;
-             })
-            .enter().append("g").attr("class", "gpath");
-						
-					gpath.append("path")
-            .attr("d", function(d,i) {
-							hh = _this.settings.chart.height-_this.chart.getPosition(_this)[d[0].col].y;
-							return area(d);
-          }).style("fill", function(d,i) { 
-			        if(_this.settings.data.strata[d[0].col][i].texture!=null) {
-                return "url(#RectanglePattern_"+d[0].col+"_"+i+")";
-              } else {
-								
-                return d3.rgb(color(d[0].col))
-									.darker(_this.settings.data.strata[d[0].col].length/2-(i+1)/2); // The more away from the token, the darker
-              }
-            })
-						.attr("class",  function(d,i) { return "layer";})
-						.attr("class",  function(d,i) { return "col_"+d[0].col+" layer_"+i;});
-	
-				// Textures
-				// strata.texture: {url:"../..", size:1}, 
-				var patternWidth = w/1;
-				var patternHeight = patternWidth;        
-								
-				for(var s=0; s<_this.settings.data.strata.length; s++) { 
-					for(var l=0; l<_this.settings.data.strata[s].length; l++) {          
-						if(_this.settings.data.strata[s][l].texture!=null) {
-
-							var pattern = vis.append('pattern')
-									.attr('id','RectanglePattern_'+s+"_"+l)
-									.attr('height', patternHeight)
-									.attr('width', patternWidth)
-									.attr('patternTransform', 'translate(0, 0) scale('+_this.settings.data.strata[s][l].texture.size+', '+_this.settings.data.strata[s][l].texture.size+') rotate(0)')
-									.attr('patternUnits','userSpaceOnUse');
-									
-							pattern.append('image')
-									.attr('x', 0)
-									.attr('y', 0)
-									.attr('height', patternHeight)
-									.attr('width', patternWidth)
-									.attr('xlink:href', function() { return _this.settings.data.strata[s][l].texture.url;});    
-						}
-					}
-				}			
-
-			// PIE CHAR
-			} else if(_this.settings.chart.type=='CircleLayout') {
-					
-				// strata
-        var svg = d3.select("#"+_this.settings.DOMelement.id)
-			.append("div")
-			.attr("class", "vis")//.style("margin-top", "-"+_this.settings.height+"px")
-            .attr("width", _this.settings.width)
-            .attr("height", _this.settings.height)						
-            .append("svg")
-            .attr("width", _this.settings.width)
-            .attr("height", _this.settings.height);					
-										
-					// bubble chart
-					if(typeof(_this.settings.chart.treeLayout)!="undefined") {
-
-					for(var i=0; i<_this.settings.data.model.length; i++) {
-						var data =_this.settings.data.strata[i];   
-						 var color = function(s) { return _this.token.colorRange(i)};
-						_this.aggregate.create_pie_chart(_this, data, svg, data[0].value, color,
-						 ((i+1/2))*_this.settings.chart.width/(_this.settings.data.model.length)+_this.settings.chart.x,
-						  _this.settings.chart.y+_this.settings.chart.height/6);
-
-						}
-
-					} else {
-						var data =_this.settings.data.strata.map(function(d) { return {value:d[0].value};});   
-							console.log(_this.settings.data.strata, data);
-						  var color = _this.token.colorRange;
-						_this.aggregate.create_pie_chart(_this, data, svg, _this.settings.chart.radius, color,
-						 _this.settings.chart.x+_this.settings.chart.width/2,
-						 _this.settings.chart.y+_this.settings.chart.height/2);
-					}
-					
-				}
-      },
-			
-			create_pie_chart: function(_this, data, svg, r, color, posx, posy) {
-					
-        var w = _this.settings.width/_this.settings.data.model.length,
-            h = _this.settings.sedimentation.aggregation.height;//_this.settings.height;
-/*
-        var vis = d3.select("#"+_this.settings.DOMelement.id)
-					.append("div")
-						.attr("class", "vis") //.style("margin-top", "-"+_this.settings.height+"px")//+_this.settings.DOMelement.id
-          .append("svg")
-            .attr("width", _this.settings.width)
-            .attr("height", _this.settings.height);
-
-        var g = vis.selectAll("g")
-            .data(_this.settings.data.strata, function(d) {return [d];})
-            .enter()
-          .append("g")
-            .attr("transform", function(d, i) {
-							return "translate("+(i*w)+", "+(_this.settings.height-_this.settings.sedimentation.aggregation.height)+")";
-						});
-            */
-        var x = d3.scale.linear()
-            .domain([0, _this.settings.data.strata.length-1])
-            .range([0, _this.settings.width]);            
-            
-        
-        var y = d3.scale.linear()
-            .domain([0, d3.max(data, function(d) {return d.value; })]) 
-            .rangeRound([0, h]);            
-					
-					/*
-        var sn = _this.settings.data.strata[0].length, // number of layers
-						sm = 20; // number of samples per layer
-         
-        var sdata0 = d3.layout.stack().offset("expand")(strata_layers(sn, sm)),
-            sdata1 = d3.layout.stack().offset("expand")(strata_layers(sn, sm)),
-            smx = sm - 1, smy = 0;
-						   */
-				
-				// CIRCLE
-        var wp = _this.settings.width,
-            hp = _this.settings.height,
-            hhp = _this.settings.sedimentation.aggregation.height;
-           //Math.min(w, hh) / 2,
-            labelr = r + 30, // radius for label anchor
-						donut = d3.layout.pie().sort(null),
-						arc = d3.svg.arc().innerRadius(0).outerRadius(r);
-											
-				var id=Math.random();
-				svg.append("g.arcs_"+id)
-            .attr("class", "arcs_"+id);
-              				
-        var garcs = svg.selectAll(".arcs")
-            .data(donut(data.map(function(d, i) { return d.value})))
-          .enter().append("svg:g").attr("transform", "translate(" + posx + "," + posy + ")"); 
-         /*
-        var arcs = garcs.append("path")
-            .attr("fill", function(d, i) { return color(i); })
-            .attr("d", function(d) {	
-						
-						
-							return arc(d);
-							
-						})
-            .each(function(d) { this._current = d; });
-						
-						*/
-						// END CIRCLE					
-						
-						
-				var hh=0;
-		
-				// Rectangular strata
-        var area = d3.svg.area()
-            .x(function(d) { return _this.settings.chart.spacer+d.x * (w-2*_this.settings.chart.spacer) / smx; })
-            .y0(function(d) { return (h - d.y0 * hh); }) //hh/smy
-            .y1(function(d) { return (h - (d.y + d.y0) * hh ); }); //hh/smy
-						
-        var arcs = garcs.append("path")
-            .attr("fill", function(d, i) { return color(i); })
-            .attr("d", function(d,i) {	
-		
-							/*
-.data(function(d,i) {
-                var sd = d3.layout.stack().offset("expand")(strata_layers(d.length, sm));
-                smy = d3.max(sd, function(d) {
-                  return d3.max(d, function(d) {
-                    return d.y0 + d.y;
-                  });
-                });
-								sd.map(function(d) {d.map(function(d) {d.col=i;return d;});}); // Put col # in data
-                return sd;
-             })							
-						*/
-							return arc(d);
-							
-						})
-            .each(function(d) { this._current = d; });
-												
-						/*
-        var hhh = [];
-			
-        g.selectAll("path")
-             .data(function(d,i) {
-                var sd = d3.layout.stack().offset("expand")(strata_layers(d.length, sm));
-                smy = d3.max(sd, function(d) {
-                  return d3.max(d, function(d) {
-                    return d.y0 + d.y;
-                  });
-                });
-								sd.map(function(d) {d.map(function(d) {d.col=i;return d;});}); // Put col # in data
-                return sd;
-             })
-            .enter().append("path")
-            .attr("d", function(d,i) {
-              hh = 450-_this.chart.getPosition(_this)[d[0].col].y;
-							return area(d);
-          }).style("fill", function(d,i) { 
-			        if(_this.settings.data.strata[d[0].col][i].texture!=null) {
-                return "url(#RectanglePattern_"+d[0].col+"_"+i+")";
-              } else {
-								// The more away from the token, the darker
-                return d3.rgb(color(d[0].col)).darker(_this.settings.data.strata[d[0].col].length/2-(i+1)/2); 
-              }
-            });
-
-*/
-						
-      
-      /* else if(_this.settings.chart.type=='CircleLayout2') {
-
-        var data1 = _this.settings.data.strata,
-            data = data1,
-            data2 = _this.settings.data.strata; // 2nd dataset if we want to update
-
-						console.log("data", data);
-						
-        var w = _this.settings.width,
-            h = _this.settings.height,
-            hh = _this.settings.sedimentation.aggregation.height;
-            r = _this.settings.chart.radius,//Math.min(w, hh) / 2,
-            labelr = r + 30, // radius for label anchor
-						donut = d3.layout.pie().sort(null),
-						arc = d3.svg.arc().innerRadius(0).outerRadius(r);
-						
-						console.log("donut", donut(data));
-												
-						// strata
-			
-        var svg = d3.select("#"+_this.settings.DOMelement.id).attr("class", "vis")//.style("margin-top", "-"+_this.settings.height+"px")
-          .append("svg:svg")
-            .attr("width", w)
-            .attr("height", h)
-            //.style("position", "absolute")
-          .append("svg:g")
-            .attr("class", "arcs")
-            .attr("transform", "translate(" + (w/2) + "," + (h/2) + ")");   
-            
-				var ddd = donut(_this.settings.data.strata.map(function(d, i) { return d[0].value}));
-
-				
-        var garcs = svg.selectAll("g")
-            .data(donut(data.map(function(d, i) { return d[0].value})))
-          .enter().append("svg:g");
-         
-        var arcs = garcs.append("path")
-            .attr("fill", function(d, i) { return color(i); })
-            .attr("d", function(d) {	return arc(d);})
-            .each(function(d) { this._current = d; });
-
-	
-				var labels = garcs.append("svg:text")
-						.attr("transform", function(d) {
-								var c = arc.centroid(d),
-										x = c[0],
-										y = c[1],
-										h = Math.sqrt(x*x + y*y); // pythagorean theorem for hypotenuse
-								return "translate(" + (x/h * labelr) +  ',' +
-									 (y/h * labelr) +  ")"; 
-						})
-						.attr("dy", ".35em")
-						.attr("text-anchor", function(d) {
-								return (d.endAngle + d.startAngle)/2 > Math.PI ?  // are we past the center?
-										"end" : "start";
-						})
-						.text(function(d, i) { return _this.settings.data.model[i].label; }); //.toFixed(2) if num val
-
-						d3.select(window).on("click", function() {
-							data = data === data1 ? data2 : data1; // swap the data
-							arcs = arcs.data(donut(data.map(function(d) { return d[0].value}))); // recompute the angles and rebind the data
-							arcs.transition().duration(750).attrTween("d", arcTween); // redraw the arcs
-  
-							labels.data(donut(data.map(function(d,i) {  return d[0].value})))
-								.transition().duration(750).attr("transform", function(d) {
-											var c = arc.centroid(d),
-													x = c[0],
-													y = c[1],
-													// pythagorean theorem for hypotenuse
-													h = Math.sqrt(x*x + y*y);
-
-											return "translate(" + (x/h * labelr) +  ',' +
-												 (y/h * labelr) +  ")"; 
-									})
-									.attr("dy", ".35em")
-									.attr("text-anchor", function(d) {
-											// are we past the center?
-											return (d.endAngle + d.startAngle)/2 > Math.PI ?
-													"end" : "start";
-									})
-									.text(function(d, i) { return _this.settings.data.model[i].label}); //d.value.toFixed(2); });
-						});
-
-						// Store the currently-displayed angles in this._current.
-						// Then, interpolate from this._current to the new angles.
-						function arcTween(a) {
-							var i = d3.interpolate(this._current, a);
-							this._current = i(0);
-							return function(t) {
-								return arc(i(t));
-							};
-						}
-				}  // end if char/pie layout
-				*/
-			
-			},
-			
-  update : function (_this) {
-
-		if(typeof(_this.settings.data.strata)=='undefined' || _this.settings.data.strata.length==0  || _this.settings.data.strata[0].length==0) // Skip layers if no strata is defined
-			return;
-				
-		var w = _this.settings.chart.width/_this.settings.data.model.length;
-		var h = _this.settings.sedimentation.aggregation.height;
-
-    var x = d3.scale.linear()
-        .domain([0, _this.settings.data.strata.length-1])
-        .range([0, _this.settings.width]);            
-        
-    var data =_this.settings.data.strata.map(function(d) { return {value:d[0].value};});    
-        
-		var sum_strata =_this.settings.data.strata.map(
-			function(d) { 
-					for(var v=0, res=0; v<d.length; v++)
-						res+=d[v].value;
-					return res;
-			});
-
-    var y = d3.scale.linear()
-        .domain([0, d3.max(sum_strata)]) 
-        .range([0, _this.settings.sedimentation.aggregation.height]);            
-			
-    var sn = _this.settings.data.strata[0].length, // number of layers
-				sm = 20; // number of samples per layer
-				smx = sm - 1, smy = 0;
-   
-		var hh=0;
-	
-		// Rectangular strata
-    var area = d3.svg.area()
-        .x(function(d) { return _this.settings.chart.spacer+d.x * (w-2*_this.settings.chart.spacer) / smx; })
-        .y0(function(d) { return (h - d.y0 * hh); }) //hh/smy
-        .y1(function(d) { return (h - (d.y + d.y0) * hh ); }); //hh/smy
-				
-		var vis = d3.select("svg");
-    var g = vis.selectAll(".gcol");
-    
-		g.data(_this.settings.data.strata, function(d,i) { return [d];});
-					
-    var gpath = g.selectAll(".gpath")
-         .data(function(d,i) {
-            var sd = d3.layout.stack().offset("expand")(_this.aggregate.strata_layers(_this, d.length, sm, i));
-            smy = d3.max(sd, function(d) {
-              return d3.max(d, function(d) {
-                return d.y0 + d.y;
-              });
-            });
-						sd.map(function(d) {d.map(function(d) {d.col=i;return d;});}); // Put col # in data
-            return sd;
-         });
-
-		gpath.select("path")
-			.transition()
-            .duration(100)
-            .attr("d", function(d,i) {
-							_this.chartUpdate(i, -y(sum_strata[i])-(h-_this.settings.chart.height));
-							hh = _this.settings.chart.height-_this.chart.getPosition(_this)[d[0].col].y;
-							return area(d);
-          });
-			}
-  }    
-})(jQuery);
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/_vs.barchart.js
--- a/integ/js/vs/_vs.barchart.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,7 +0,0 @@
-(function ($) {
-  
-  $.extend($.fn.visualSedimentation.vs,test = function(){
-	 console.log("ici visualSedimentation.fn.test")
-  });
-
-})(jQuery);
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/_vs.chart.circlelayout.js
--- a/integ/js/vs/_vs.chart.circlelayout.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,331 +0,0 @@
-(function ($) {
-
-$.fn._vs.chart.CircleLayout = function(_this,fn,options) {
-
-  var mouseJointTest;
-  var csX;
-  var csY;
-  var treeLayout;
-  var initValue  = []; // Initiation des valeurs
-  var tdv        = 0;  // Incoming point
-  var _this;
-
-  this.init = function (_this,options){
-    console.log('Circle Layout Init')
-    this._this              = _this
-    gravity                 = new _this.phy.b2Vec2(0, 0);    // Zero gravity
-    _this.world.m_gravity   = gravity;
-    _this.chartPhySetup     = {grounds:[],wall:[]}
-    this.treeLayout         = _this.settings.chart.treeLayout;
-
-            for (var i=0; i<_this.settings.data.model.length; i++) {
-            _this.settings.data.strata[i][0].value = _this.settings.data.strata[i][0].initValue;
-            }
-
-    // process data distribution to form layout
-    for (var i = 0; i <_this.settings.data.model.length; i++) { 
-      //console.log("-->",_this.settings.data.model[i])
-      _this.settings.data.model[i].value=0
-      for (var j = 0; j <_this.settings.data.strata[i].length; j++) { 
-         //console.log("-->",_this.settings.data.strata[i][j].value)
-        _this.settings.data.model[i].value += _this.settings.data.strata[i][j].value
-      }
-      //console.log("-->",_this.settings.data.model[i].value)
-      initValue.push(_this.settings.data.model[i].value)
-      tdv += _this.settings.data.model[i].value
-    }
-
-    if(this.treeLayout){
-      console.log("ici")
-     this.setupBubbleChartPhysics(_this);
-    }else{
-     this.setupPieChartPhysics(_this);
-    }
-   
-  };
-
-  this.setupPieChartPhysics = function(_this){
-
-    console.log("w",_this.settings.width)
-    // Pivot drawing
-    var radius = _this.settings.chart.radius
-        csX    = _this.settings.chart.width/2+_this.settings.chart.x
-        csY    = _this.settings.chart.height/2+_this.settings.chart.y
-    var axis   = pivot(csX,csY,radius, _this.settings.chart.wallColor);
-  
-    //targets
-    for (var i = 0;  i< _this.settings.data.model.length; i++) {
-      _this.settings.sedimentation.incoming.target[i] = {x:csX,y:csY};
-    }
-
-    // Separation 
-    var wall   = []
-    var spacer = _this.settings.chart.spacer;
-  
-    // Incoming point
-    var p      = 0;
-
-    console.log("tdv",tdv)
-
-    if (tdv==0){
-      for (var i = 0; i <_this.settings.data.length; i++) { 
-        initValue[i] = 1;
-      }
-      tdv = initValue.length
-    }
-
-    for (var i = 0; i <initValue.length; i++) { 
-       v = initValue[i]
-       a2 = ((v/2+p)/tdv)*360-90
-       p += v
-       a = (p/tdv)*360-90
-       c = circularCoordinate(a2,radius*5,csX,csY)
-
-    // incomming point setup 
-       console.log(c)
-      _this.settings.sedimentation.incoming.point[i] = c 
-    
-    // Bounds Wall drawing
-    _this.chartPhySetup.grounds[i]= this.createBox(
-                  _this,
-                  csX,
-                  csY,
-                  spacer,
-                  radius,
-                  a,
-                  radius,
-                  'wall',
-                  _this.settings.chart.wallColor);
-    }
-    console.log("w",_this.settings.chart.width)
-
-  };
-
-  this.update = function(_this,options){
-    console.log("update")
-    var defaultOptions = {cat:0,r:0}
-    options.r-=90
-    var angle          = (options.r+90)*(Math.PI/180)
-
-    var c              = circularCoordinate(options.r,
-                                    _this.settings.chart.radius,
-                                    _this.settings.chart.width/2+_this.settings.chart.x,
-                                    _this.settings.chart.height/2+_this.settings.chart.y)
-   
-    if(_this.chartPhySetup.grounds[options.cat]!=null) {
-      var myBody = _this.chartPhySetup.grounds[options.cat].GetBody();
-      var myPos  = myBody.GetWorldCenter();
-      var myAngle= myBody.GetAngle()
-      //console.log(myAngle)
-      myPos.y    = c.y/ _this.settings.options.scale
-      myPos.x    = c.x/ _this.settings.options.scale
-      myAngle    = angle
-      myBody.SetPosition(myPos);
-      myBody.SetAngle(myAngle);      
-      //console.log(myBody)
-    }
-  }
-
-  // default token for stream 
-  this.token = function (_this,options){
-    var i = options;
-    //console.log(options)
-    var token = {
-              x:(_this.settings.sedimentation.incoming.point[i].x+(Math.random()*2)),
-              y:(_this.settings.sedimentation.incoming.point[i].y+(Math.random()*1)),
-              t:_this.now(),
-              size:_this.settings.sedimentation.token.size.original,
-              category:i,
-              phy:{
-                  density:10,
-                  friction:0,
-                  restitution:0
-              },
-              targets:[{
-                  //  bizare x/2 or x ...
-                  x: _this.settings.sedimentation.incoming.target[i].x,
-                  y: _this.settings.sedimentation.incoming.target[i].y
-              }]
-            }
-    return token; 
-  }
-
-  function circularCoordinate(degree,radius,posX,posY){
-      j = degree*Math.PI/180
-      var x = (Math.cos(j) * radius)+posX;
-      var y = (Math.sin(j) * radius)+posY;
-      var c = {x:x,y:y}
-      return c
-  }
-
-  function pivot (centerSceneX,centerSceneY,radius,color){
-    var scale           = _this.settings.options.scale
-    var fixDef          = new _this.phy.b2FixtureDef;
-
-    fixDef.density      = 1.0;
-    fixDef.friction     = 0.5;
-    fixDef.restitution  = 0.2;
-    var bodyDef         = new _this.phy.b2BodyDef;
-    fixDef.shape        = new _this.phy.b2CircleShape(radius/scale);
-    bodyDef.position.Set(centerSceneX/scale, centerSceneY/scale);
-
-    var axis            = _this.world.CreateBody(bodyDef).CreateFixture(fixDef);
-    axis.m_userData     = {type:"wall",familyID:null,fillStyle:color,strokeStyle:color,r:radius}
-    return  axis;
-  }
-
-  this.createBox = function (_this,x,y,w,h,a,r,type,color){
-     var scale          = _this.settings.options.scale
-     var fixDef         = new _this.phy.b2FixtureDef;
-     var c              = circularCoordinate(a,r,x,y)
-
-     fixDef.density     = 1.0;
-     fixDef.friction    = 0.5;
-     fixDef.restitution = 0.2;
-     
-     var bodyDef        = new _this.phy.b2BodyDef;
-     var angle          = (a+90)*(Math.PI/180)
-     bodyDef.angle      = angle;//a+80 ;
-     //create ground
-     bodyDef.type       = _this.phy.b2Body.b2_staticBody;
-     fixDef.shape       = new _this.phy.b2PolygonShape;
-     fixDef.shape.SetAsBox(w/scale, h/scale);
-     bodyDef.position.Set(c.x/scale,c.y/scale );
-     var box = _this.world.CreateBody(bodyDef).CreateFixture(fixDef);
-     box.m_userData = {type:type,fillStyle:color,w:w,h:h,r:r}
-     //console.log(box)
-     return box
-  }
-
-  this.getPosition = function(_this){
-    var result =[]
-    for (var i = 0; i < _this.chartPhySetup.grounds.length; i++) {
-      myElement = _this.chartPhySetup.grounds[i]
-      myBody    = myElement.GetBody();
-      //console.log(myBody.GetAngle())
-      result.push({
-        x:(myBody.GetWorldCenter().x* _this.settings.options.scale),
-        y:(myBody.GetWorldCenter().y* _this.settings.options.scale),
-        a:myBody.GetAngle(),
-        w:myElement.m_userData.w,
-        h:myElement.m_userData.h,
-        r:myElement.m_userData.r,
-      })
-    };  
-   return result 
-  }
-
-
-//  --------- --------- --------- --------- --------- --------- ---------
-// Bubble ---------
-  this.setupBubbleChartPhysics= function(_this){
-    console.log("setupBubbleChartPhysics")
-
-    var colSize = ( _this.settings.chart.width/ _this.settings.data.model.length)
-    var colBwid = _this.settings.chart.spacer
-    var colYpos = _this.settings.chart.height/2+_this.settings.y+colBwid
-    var Ypos    = 0;//chart.position.y;
-    var Xpos    = 0;//chart.position.x;
-    var NumCol  = _this.settings.chart.column;
-   // console.log(Xpos)
-   // console.log( _this.settings.width)
-
-  // array layout
-  for( var i = 0 ; i<_this.settings.data.model.length; i++) {
-      
-      Xpos =  _this.settings.chart.x+(i%NumCol*colBwid)+(colBwid/2)
-      Ypos =  _this.settings.chart.y+Math.floor(i/NumCol)*colBwid+(colBwid/2)
-      //console.log("- "+i+" x:"+Xpos+" y:"+Ypos);
-      _this.settings.sedimentation.incoming.target[i] = {x:Xpos,y:Ypos};
-      
-      pivot[i] = creatMyBubblePivot(Xpos,
-                                    Ypos,
-                                    _this.settings.chart.spacer,
-                                    i);
-
-      _this.settings.data.model[i].incomingPoint = {
-                                     x:Xpos,
-                                     y:Ypos
-                                   };
-      
-    }
-
-  }
-function creatMyBubblePivot(Xpos,Ypos,radius,id){
-   console.log("CreatMyBubblePivot",Xpos,Ypos,radius,id)
-   
-   var scale          = _this.settings.options.scale
-   var fixDef         = new _this.phy.b2FixtureDef;
-   var colorRange     = d3.scale.category10()
-
-    fixDef.density    = 10000;
-    fixDef.friction   = 0.0;
-    fixDef.restitution= 0.0;
-
-   var bodyDef        = new _this.phy.b2BodyDef;
-   fixDef.shape       = new _this.phy.b2CircleShape(radius*scale);
-   bodyDef.position.Set(Xpos/scale, Ypos/scale);
-
-   var axis           = _this.world.CreateBody( bodyDef);
-   var axisf          = axis.CreateFixture(fixDef);
-
-   console.log(id,colorRange(id))
-   axisf.m_userData   = {
-                         type:"BubblePivot",
-                         familyID:id,
-                         fillStyle:_this.settings.chart.wallColor
-                        }
-   console.log(id,axisf)
-
-   axisf.m_shape.m_radius = _this.settings.data.model[id].value/scale;
-   //console.log(Xpos,Ypos)
-   return axisf;
-}
-
-this.getPivotPosition =function (id){
-  
-  //console.log(_this.settings.data.model)
-
-  if(typeof(id)!="undefined"){
-    return this.pivot
-  } else{
-    var result=[];
-      for( var i = 0 ; i<_this.settings.data.model.length; i++) {
-        result.push(_this.settings.data.model[i])
-    }
-    return result
-  }
-}
-
-function updatePivotFixPosition(x,y,id){
-    var myBody        = pivot[id].GetBody();
-    myBody.SetPosition(new b2Vec2(x/scale, y/scale));
-    _this.settings.data.model[id].incomingPoint.x=x;
-    _this.settings.data.model[id].incomingPoint.y=y;
-    setFlowSpeed(speedFlow);
-
-}
-function setPivotPosition(x,y,id){
-    for( var i = 0 ; i<categorys[id].joins.length; i++) {
-      categorys[id].joins[i].SetTarget(new b2Vec2(x/scale, y/scale));
-    }
-}
-function setPivotRadius(r,id){
-    //nBodies[b].m_shape.m_radius
-    pivot[id].m_shape.m_radius=r;
-}
-
-
-// Bubble ---------
-//  --------- --------- --------- --------- --------- --------- ---------
-  if (typeof(fn)!=undefined){
-    var result = this[fn](_this,options);
-    if (typeof(result)!=undefined){
-      return result
-    }
-  }
-  
-}
-
-
-})(jQuery);
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/_vs.chart.js
--- a/integ/js/vs/_vs.chart.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,44 +0,0 @@
-(function ($) {
-$.fn.vs.chart = {
-	/* 
-		actually empty everything is in 
-	   _vs.AxisLabelLayout.js,
-       _vs.AxisLayout.js,
-       _vs.CircleLayout.js,
-       _vs.CollapsedStackLayout.js,
-       _vs.GridLayout.js,
-       _vs.StackedAreaChart.js
-   
-
-  this.update = function(_this,options){
-    var defaultOptions = {cat:0,y:0}
-    if(_this.chartPhySetup.grounds[options.cat]!=null) {
-      var myBody = _this.chartPhySetup.grounds[options.cat].GetBody();
-      var myPos = myBody.GetWorldCenter();
-      myPos.y-=options.y/ _this.settings.options.scale;
-      myBody.SetPosition(myPos);
-      //console.log(myBody)
-    }
-  }
-
-  this.getPosition = function(_this){
-    var result =[]
-    for (var i = 0; i < _this.chartPhySetup.grounds.length; i++) {
-      myBody = _this.chartPhySetup.grounds[i].GetBody();
-     
-      console.log(myBody.GetWorldCenter())
-     
-      result.push({
-        x:(myBody.GetWorldCenter().x* _this.settings.options.scale),
-        y:(myBody.GetWorldCenter().y* _this.settings.options.scale),
-        a:myBody.GetAngle()
-      })
-    
-    };  
-   return result 
-  }
- */
-}
-
-
-})(jQuery);
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/_vs.chart.stackedareachart.js
--- a/integ/js/vs/_vs.chart.stackedareachart.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,192 +0,0 @@
-(function ($) {
-
-$.fn._vs.chart.StackedAreaChart = function(_this,fn,options) {
-  var mouseJointTest;
-
-  this.init = function (_this){
-    console.log('StackedAreaChart Init')
-    gravity                 = new _this.phy.b2Vec2(0.001, 10);
-    _this.world.m_gravity   = gravity;
-    _this.chartPhySetup     = {grounds:[],wall:[]}
-    this.setupChartPhysics(_this);
-    //dataFlow(categorys);
-  };
-  
-  this.setupChartPhysics = function(_this){
-
-    // Ground 
-    var spacer = _this.settings.chart.spacer;
-    console.log(_this.settings.chart)
-  
-    // Bounds for bar chart 
-    var colSize     = (_this.settings.chart.width/_this.settings.data.model.length)
-    var colBwid     = spacer;
-    var colYpos     = _this.settings.chart.height/2+_this.settings.chart.y
-    
-    // height of lift 
-    var agreHeight  =  _this.settings.chart.height - _this.settings.sedimentation.aggregation.height
-    console.log(agreHeight)
-
-    var tdv = 0; 
-    for (var i = 0; i <_this.settings.data.model.length; i++) { 
-      _this.settings.data.model[i].value=0
-      if(typeof(_this.settings.data.strata)!="undefined"){
-        if(typeof(_this.settings.data.strata[i])!="undefined"){
-         for (var j = 0; j <_this.settings.data.strata[i].length; j++) { 
-          _this.settings.data.model[i].value += _this.settings.data.strata[i][j].value
-         }
-        } 
-      }
-      tdv += _this.settings.data.model[i].value
-    }
-    
-
-    for( var i = 0 ; i<_this.settings.data.model.length+1 ; i++) {
-        var colXpos = _this.settings.chart.x+(i*colSize);
-        _this.chartPhySetup.wall[i] = this.createMyChartBox (
-                          _this,
-                          colXpos,
-                          colYpos,
-                          colBwid,
-                          _this.settings.chart.height/2,
-                          "wall",
-                          _this.settings.chart.wallColor);
-
-        console.log(colXpos,colYpos)
-  
-        // Fix incomming points for tokens 
-        if(i<_this.settings.data.model.length){
-          _this.settings.sedimentation.incoming.point[i]={
-                                                    x:colXpos+(colSize/2),
-                                                    y:_this.settings.y
-                                                    }
-        }
-  
-  
-        // Create lift 
-       if(i<_this.settings.data.model.length){
-          _this.chartPhySetup.grounds[i] = this.createMyChartBox (
-                          _this,
-                          colXpos+(colSize/2),
-                          _this.settings.chart.height+_this.settings.chart.y+_this.settings.sedimentation.aggregation.height,
-                          colSize/2,
-                          _this.settings.chart.height,
-                          "lift",
-                          "rgba(250,250,250,0)");
-
-          // Move Lift to data
-          // based on scale (data / all data * height )
-          /*
-          if(_this.settings.data.model[i].value>=0){
-            // ?????
-            var liftPosition = (_this.settings.data.model[i].value/tdv*(_this.settings.chart.height-_this.settings.sedimentation.aggregation.height))
-          }else{
-            var liftPosition = 0          
-          }*/
-          this.update(_this,{cat:i,y:_this.settings.chart.height});
-        }
-    }
-  };
-
-  this.token = function (_this,options){
-    //console.log('token query')
-    var i = options;
-    var token = {
-              
-              x:(_this.settings.sedimentation.incoming.point[i].x+(Math.random()*2)),
-              y:(_this.settings.sedimentation.incoming.point[i].y+(Math.random()*1)),
-              t:_this.now(),
-              size:_this.settings.sedimentation.token.size.original,
-              category:i,
-              lineWidth:0,
-            
-            }
-    return token; 
-  }
-
-  this.createMyChartBox = function (_this,x,y,w,h,type,color){
-     var scale          = _this.settings.options.scale
-     var fixDef         = new _this.phy.b2FixtureDef;
-     fixDef.density     = 1.0;
-     fixDef.friction    = 0.5;
-     fixDef.restitution = 0.2;
-     
-     var bodyDef  = new _this.phy.b2BodyDef;
-     //create ground
-     bodyDef.type   = _this.phy.b2Body.b2_staticBody;
-     fixDef.shape   = new _this.phy.b2PolygonShape;
-     fixDef.shape.SetAsBox(w/scale, h/scale);
-     bodyDef.position.Set(x/scale,y/scale );
-     var box        = _this.world.CreateBody(bodyDef).CreateFixture(fixDef);
-     box.m_userData = {type:type,fillStyle:color,w:w,h:h,x:x,y:y}
-     //console.log(box)
-     return box
-  }
-  
-  this.update = function(_this,options){
-    var defaultOptions = {cat:0,y:0}
-    if(_this.chartPhySetup.grounds[options.cat]!=null) {
-      var myBody = _this.chartPhySetup.grounds[options.cat].GetBody();
-      var myPos = myBody.GetWorldCenter();
-      myPos.y = (options.y
-                + _this.settings.chart.height
-                +_this.settings.chart.y
-                +_this.settings.sedimentation.aggregation.height)/ _this.settings.options.scale
-      myBody.SetPosition(myPos);
-      //console.log(myBody)
-    }
-  }
-  
-
-  this.getPositionOld = function(_this){
-    var result =[]
-    for (var i = 0; i < _this.chartPhySetup.grounds.length; i++) {
-      myElement = _this.chartPhySetup.grounds[i]
-      myBody    = myElement.GetBody();
-      result.push({
-        x:(myBody.GetWorldCenter().x* _this.settings.options.scale),
-        y:(myBody.GetWorldCenter().y* _this.settings.options.scale),
-        a:myBody.GetAngle(),
-        w:myElement.m_userData.w,
-        h:myElement.m_userData.h,
-        r:myElement.m_userData.r,
-      })
-    };  
-   return result 
-  }
-
-
-  this.getPosition = function(_this){
-    var result =[]
-    for (var i = 0; i < _this.chartPhySetup.grounds.length; i++) {
-      myElement = _this.chartPhySetup.grounds[i]
-      myBody    = myElement.GetBody();
-      //console.log("myBody.GetWorldCenter().y",myBody.GetWorldCenter().y)
-      result.push({
-        x:(myBody.GetWorldCenter().x* _this.settings.options.scale),
-        y:(myBody.GetWorldCenter().y* _this.settings.options.scale)
-          - _this.settings.chart.height
-          - _this.settings.chart.y
-          ,
-        a:myBody.GetAngle(),
-        w:myElement.m_userData.w,
-        h:myElement.m_userData.h,
-        r:myElement.m_userData.r,
-      })
-    };  
-   return result 
-  }
-
-
-
- if (typeof(fn)!=undefined){
-    var result = this[fn](_this,options);  
-    if (typeof(result)!=undefined){
-      return result
-    }
-  }
-
-}
-
-
-})(jQuery);
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/_vs.decay.js
--- a/integ/js/vs/_vs.decay.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,33 +0,0 @@
-(function ($) {
-
-$.fn._vs.decay = {
-    tokens:[],
-    update:function(_this) {
-      var incrementationStrate = 1;
-      var top                  = _this.settings.sedimentation.suspension.height
-      var height               = _this.settings.height
-      var intervalStrate       = _this.settings.sedimentation.token.size/4
-      var power                = _this.settings.sedimentation.suspension.decay.power
-      var scale                = _this.settings.options.scale
-      var limit                = _this.settings.sedimentation.token.size.minimum
-
-      if(power==null){var power = 0}
-        
-        for(var b = 0; b < this.tokens.length; b++) {
-          var tokenSize  = this.tokens[b].attr("size")
-          if(power!=0){
-            this.tokens[b].attr("size",tokenSize/power)
-          }
-           // Flocculate
-                     
-          if(tokenSize<=limit){
-            if (_this.settings.sedimentation.flocculate.strategy!=null){ 
-              _this.flocculate.destroyIt(_this,this.tokens[b]);
-              _this.strata.update(_this);
-            }
-          }
-        }
-    }
-}
-
-})(jQuery);
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/_vs.draw.js
--- a/integ/js/vs/_vs.draw.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,242 +0,0 @@
-(function ($) {
-  
-$.fn._vs.draw = {
-
-    settings:{
-              draw:{
-                trail:1,
-                showLayout:false
-              }
-    },
-
-    update:function(_this){
-      /* refresh rate of canvas (show trail) */
-      //console.log(_this.ctx)
-      if(this.settings.draw.trail==1) {
-        _this.ctx.clearRect(0, 0, _this.ctx.canvas.clientWidth, _this.ctx.canvas.clientHeight);
-      }else{
-        debugDrawChart(0,
-            0,
-            ctx.canvas.clientWidth,
-            ctx.canvas.clientHeight,
-            "rgba(255,255,255,"+this.settings.draw.trail+")",
-            ctx);
-      }
-
-      /* Draw body(s) from box2d */
-      for( var b = _this.world.GetBodyList() ; b ; b = b.GetNext()) {
-        for (var s = b.GetFixtureList(); s != null; s = s.GetNext()) {
-          this.drawShape(_this,s);
-        }
-      }
-    
-      /* Show wireframe mode */
-      if(this.settings.draw.showLayout==true){
-        this.debugDrawChart(chart.position.x,
-                chart.position.y,
-                chart.position.width,
-                chart.position.height,
-                "rgba(255,0,0,0.2)",
-                ctx);
-      }
-    },
-    debugDrawChart :function (x,y,w,h,color,ctx) {
-      ctx.save();  
-      ctx.translate(0,0);  
-      ctx.fillStyle = color;  
-      ctx.beginPath();
-      ctx.rect(x,y,w,h);      
-      ctx.closePath();
-      ctx.strokeStyle ="#000"
-      ctx.lineWidth = 0.5;
-      ctx.stroke();
-      ctx.restore();  
-    },
-    clippedBackgroundImage:function( ctx, img,x,y ){
-      ctx.save(); 
-      ctx.clip(); 
-      //console.log(img)
-      ctx.drawImage(img,
-                    x-(img.height/2),
-                    y-(img.width/2),
-                    img.width,
-                    img.height);
-      ctx.restore(); 
-    },
-    haveTexture:function(s){
-      var result = false
-      if(typeof(s.m_userData.texture)!="undefined"){
-        if(typeof(s.m_userData.texture.img)!="undefined"){
-          if(s.m_userData.texture.img.complete){
-            result = true
-          }
-        }
-      }
-      return result
-    },
-    
-    drawShape: function (_this,s) {
-    var b           = s.GetBody();
-    var position    = b.GetPosition();
-    var angle       = b.GetAngle();
-    var radiusCoef  = 9;
-    var radiusCoefMax=10
-    var scale       = _this.settings.options.scale
-
-    // add x and y to userData
-    s.m_userData.x  = b.GetWorldCenter().x*scale
-    s.m_userData.y  = b.GetWorldCenter().y*scale
-
-
-
-    if(typeof(s)!="undefined"){
-    switch (s.GetType()){
-      case 0:  // round
-
-        switch (s.m_userData){
-          case null:
-            _this.ctx.fillStyle = "rgba(255,0,0,1)";  
-          break;
-          default:
-            _this.ctx.fillStyle = s.m_userData.fillStyle;  
-          break
-        }
-
-        var radius = s.m_shape.m_radius
-
-        // round token 
-        if(_this.settings.sedimentation.token.visible==true){
-
-          _this.ctx.save();  
-          _this.ctx.translate(position.x*scale, position.y*scale);  
-          _this.ctx.rotate(angle);  
-          _this.ctx.beginPath();
-          var h = (radius/radiusCoefMax*radiusCoef)*scale
-          
-          //console.log(s.m_userData.strokeStyle)
-          if(typeof(s.m_userData.strokeStyle)!="undefined"){
-            _this.ctx.strokeStyle = s.m_userData.strokeStyle
-          } else{ 
-            _this.ctx.strokeStyle = "rgba(0,0,0,0)"
-          }
-
-          if(typeof(s.m_userData.lineWidth)!="undefined"){
-            _this.ctx.lineWidth   = s.m_userData.lineWidth 
-          } else { 
-            _this.ctx.lineWidth = 0
-          }
-          
-          _this.ctx.arc(0, 0,h, 0, Math.PI*2, true); 
-
-          if(this.haveTexture(s)){
-              this.clippedBackgroundImage(_this.ctx,s.m_userData.texture.img
-                                          ,0
-                                          ,0);
-          }
-          _this.ctx.closePath();
-
-          if(_this.settings.options.layout==true){
-            _this.ctx.strokeStyle = "#000"
-            _this.ctx.lineWidth   = 0.5
-            _this.ctx.stroke();
-          }else{
-            if(!this.haveTexture(s))_this.ctx.fill();
-             _this.ctx.stroke();
-
-          }
-
-          _this.ctx.restore();  
-
-        }
-
-
-      break
-      case 1: // vertice (polygon and squares ...)
-
-        //if(s.m_userData.type != "wall" && s.m_userData.type != "lift")console.log("draw",s.m_userData)
-        
-        switch (s.m_userData){
-          case null:
-            _this.ctx.fillStyle = "rgba(255,0,0,1)";  
-          break;
-          default:
-            _this.ctx.fillStyle = s.m_userData.fillStyle;  
-          break
-        }
-
-        var width = s.m_shape.m_vertices[0].x*scale
-        var height = s.m_shape.m_vertices[0].y*scale
-        var posx = position.x*scale-s.m_shape.m_vertices[0].x*scale
-        var posy = position.y*scale-s.m_shape.m_vertices[0].y*scale
-        
-        _this.ctx.save();
-        _this.ctx.translate(position.x*scale, position.y*scale); 
-        _this.ctx.rotate(angle);
-        _this.ctx.beginPath();
-
-        //if(s.m_userData.ID==1 ){ console.log(s.m_userData.lineWidth) }
-        //if(typeof(s.m_userData.fillStyle)!="undefined")   _this.ctx.fillStyle   = s.m_userData.fillStyle
-        if(typeof(s.m_userData.strokeStyle)!="undefined"){ _this.ctx.strokeStyle = s.m_userData.strokeStyle
-        } else{   _this.ctx.strokeStyle = s.m_userData.fillStyle}
-
-        if(typeof(s.m_userData.lineWidth)!="undefined"){  _this.ctx.lineWidth   = s.m_userData.lineWidth 
-        } else{   _this.ctx.lineWidth = 0}
-
-
-        for (var i = 0; i < s.m_shape.m_vertices.length; i++) {
-          var points = s.m_shape.m_vertices;
-          //var this = {x:0,y:0}
-          _this.ctx.moveTo(( points[0].x) * scale, (points[0].y) * scale);
-          for (var j = 1; j < points.length; j++) {
-             _this.ctx.lineTo((points[j].x ) * scale, (points[j].y ) * scale);
-          }
-          _this.ctx.lineTo(( points[0].x) * scale, ( points[0].y) * scale);
-        }
-        _this.ctx.closePath();
-        _this.ctx.fill(); 
-
-        // pour le debug mode
-        if(_this.settings.options.layout==true){
-          _this.ctx.lineWidth   = 0.1;
-          _this.ctx.strokeStyle ="rgb(0,0,0)"
-          _this.ctx.stroke();
-
-          // incomming points Drawer
-          //for (var i = _this.settings.sedimentation.incoming.point.length - 1; i >= 0; i--) {
-            //
-            //_this.settings.sedimentation.incoming.point[i].y
-            // draw green 
-            //_this.ctx.font = '40px Arial';
-            //_this.ctx.fillText("x", _this.settings.sedimentation.incoming.point[i].x, _this.settings.sedimentation.incoming.point[i].y);
-            //_this.ctx.fillStyle = "rgb(0,250,0,0.5)";  
-
-          //};
-
-        }else{
-          _this.ctx.stroke();
-        }
-        _this.ctx.restore();
-
-      break;
-      case 2:
-  
-      break;
-      _this.ctx.fillStyle = "rgb(0,0,0)";  
-    }
-   }
-
-    // Call back draw 
-    if(typeof(s.m_userData.callback)!="undefined"){
-        if(typeof(s.m_userData.callback.draw)=="function"){
-               var t = _this.select('ID',s.m_userData.ID)
-               s.m_userData.callback.draw(t)  
-        }
-    }
-
-    //if(s.m_userData.fillStyle=="black"){
-    //  console.log(s.m_userData.cycle,"",s)
-    //}
-  }
-}
-
-})(jQuery);
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/_vs.flocculate.js
--- a/integ/js/vs/_vs.flocculate.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,92 +0,0 @@
-(function ($) {
-//console.log("flocullate loaded")
-$.fn._vs.flocculate = {
-
-    buffer:[], 
-
-    init:function(_this){
-      console.log("init flocculate",_this)
-      // create one buffer by data model (categorys)
-      for (var i =0; i<_this.settings.data.model.length; i++) {
-        this.buffer[i] = []
-        console.log(i)
-      };
-    },
-
-
-    // OLD STUFF NOT USED  
-    addtobuffer:function(_this,token){
-      c = token.attr("category")
-      bufferSize =_this.settings.sedimentation.flocculate.bufferSize
-      this.buffer[c].push(token)
-      _this.decay.tokens.splice(_this.decay.tokens.indexOf(token),1)
-      //
-      token.attr("callback","bufferFlocculation",token)
-
-      if(this.buffer[c].length > bufferSize){
-        //console.log("order")
-        this.update(_this,c,bufferSize)
-      }
-    },
-
-    destroyIt:function(_this,token){
-      token.attr("callback","flocculation",token) // callback 
-      token.attr("state",2)                       // flocullating state
-      //token.myobj=null
-     // console.log(token.attr('ID'))
-      var del = _this.world.DestroyBody(token.myobj.GetBody());
-      
-      return del
-    },
-
-    update:function(_this,c,nbtokens) {
-      if(_this.settings.sedimentation.flocculate.number==1){
-       while(this.buffer[c].length > nbtokens) {
-         var token = this.buffer[c].shift();
-         this.destroyIt(_this,token)
-       }
-      }else {
-        while(this.buffer[c].length > _this.settings.sedimentation.flocculate.number) {
-           var token = this.buffer[c].shift();
-           this.destroyIt(_this,token)
-        }
-      }
-
-    },
-
-    disapear:function(_this,token){
-      ///draft doesn't work
-       window.setInterval(
-        function(){token.update(self);},
-         self.settings.options.refresh/2
-        );
-    },
-
-    all:function(_this) {
-      // TODO destroy all 
-      console.log(_this.settings.data)
-      for (var i = _this.decay.tokens - 1; i >= 0; i--) {
-        console.log(_this.decay.tokens)
-        this.update(_this,i,_this.tokens.length);      
-      };
-    },
-
-    strategy:function(){
-       if(flocullateBuffer.length>0){
-         if (chart.flocullate.strategy=="Size" 
-           && flocullateBuffer.length>=chart.flocullate.bufferSize){
-           console.log(flocullateBuffer.length);
-           flocullateByArray(flocullateBuffer);
-
-         }else if (chart.flocullate.strategy=="Time") {
-  
-         }else if (chart.flocullate.strategy=="Height") {
-  
-         };  
-    }
-
-}}    
-
-
-
-})(jQuery);
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/_vs.hearder.js
--- a/integ/js/vs/_vs.hearder.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,34 +0,0 @@
-/*!
- * Visual Sedimentation Library v0.01
- * http://www.visualsedimentation.org/
- *
- * Copyright 2013, Samuel Huron & Romain Vuillemont
- * Licensed under the CeCILL-B or GPL Version 2 licenses.
- * http://jquery.org/license
- *
- *
- *
- *
- *
- * Includes jquery.js
- * http://jquery.com/
- * Copyright 2010, John Resig
- * Released under Dual licensed under the MIT or GPL Version 2 licenses.
- * 
- * Includes d3.js
- * http://d3js.org/
- * Copyright 2012, Michael Bostock
- * Released under BSD licenses.
- * 
- * Includes Box2DWeb
- * http://www.gphysics.com
- * Copyright 2006, Erin Catto 
- * Released under zlib License.
- * 
- * Includes Sizzle.js
- * http://sizzlejs.com/
- * Copyright 2010, The Dojo Foundation
- * Released under the MIT, BSD, and GPL Licenses.
- *
- * Date: Tue Jan 01 14:25:48 2010 -0500
- */
\ No newline at end of file
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/_vs.js
--- a/integ/js/vs/_vs.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,649 +0,0 @@
-// ....................................................................
-// Main Visual Sedimentation Code
-// ....................................................................
-
-// TODO : 
-// - callback on rollOut
-
-(function($){
-
-// Name Space Plug in Jquery Objects
-$.fn.vs = function (){}
-$.fn._vs={}
-
-// All this objects are define in correspondant .js files
-$.fn._vs.token      = {}
-$.fn._vs.draw       = {}
-$.fn._vs.stream     = {}
-$.fn._vs.chart      = {}
-$.fn._vs.phy        = {}
-$.fn._vs.decay      = {}
-$.fn._vs.flocculate = {}
-$.fn._vs.strata     = {}
-$.fn._vs.aggregate  = {}
-
-
-// Core Classe 
-var VisualSedimentation = function(element,options){
-
-  // Attach objects
-  this.token        = $.fn._vs.token
-  this.draw         = $.fn._vs.draw
-  this.stream       = $.fn._vs.stream
-  this.chart        = $.fn._vs.chart
-  this.phy          = $.fn._vs.phy 
-  this.decay        = $.fn._vs.decay 
-  this.flocculate   = $.fn._vs.flocculate
-  this.strata       = $.fn._vs.strata
-//  this.aggregate    = $.fn._vs.aggregate 
-  this.requestAnimFrame;
-  
-
-  // Mouse object have to be refactor
-  this.mouse        ={}
-  this.mouse.x      = 0
-  this.mouse.y      = 0
-  this.mouse.isMouseDragging = false
-  this.mouse.isMouseDown     = false
-  this.mouse.selectedBody    = null
-
-
-  // Variables 
-  this.dataFlow     = [];
-  this.chartPhySetup= {}
-  this.tokens       = [];
-  this.world        = null;
-  this.ctx          = null;
-  var elem 	        = $(element);
-  var self 	        = this;
-	var tokens        = [];
-	var B2D;   
-	var canvas;
-
-
-   // Default Settings  
-	var defaultSettings = {
-          x:0,
-          y:0,
-          width:290.5,
-          height:300.5,
-          DOMelement:null,
-
-          chart:{ 
-              x:undefined,
-              y:undefined,
-              width:undefined,
-              height:undefined,
-              colorRange:d3.scale.category10(),
-              scale:d3.scale,
-              type:'StackedAreaChart',
-                  /*
-                    name are based on prefuse tollokit layout :
-                     - CircleLayout,
-                     - StackedAreaChart,
-                     //- bubbleAreaChart,
-                     x AxisLabelLayout,
-                     x AxisLayout,
-                     x CollapsedStackLayout,
-                     x GridLayout, 
-                  */
-              spacer:5,
-              //treeLayout:false,
-              column:3,
-              wallColor:"rgba(230,230,230,0)",
-              label:true,
-              radius:10 // for CircleLayout
-          },
-          data:{
-              model:[
-                        {label:"Column A"},
-                        {label:"Column B"},
-                        {label:"Column C"},
-                      ],
-              strata:[
-                      [
-                        {initValue: 100, label: "Strata 1 col A"}
-                      ],[
-                        {initValue: 20, label: "Strata 1 col B"}
-                      ],[
-                        {initValue: 175, label: "Strata 2 col C"}
-                      ]      
-                      ],
-              token:[
-                       {
-                         timestamp:1,
-                         category:1,
-                         value: 1,
-                         userdata:{},
-                         callback:{}
-                       }
-                      ],
-              tokenPast:0,
-          		stream:{
-                      provider:'generator',
-          				    refresh:10000/8,
-                      now:0
-      					},
-          		}
-          ,
-          sedimentation:{
-              token:{size:{original:4
-                          ,minimum:2}
-                          ,visible:true},   // fill color, shape,
-              incoming:{
-                        strategy:1,         // 1 = one element by one, more = by Groupe  
-                        point:[{x:50,y:0},
-                              {x:100,y:0},
-                              {x:150,y:0}],
-
-                        target:[{x:50,y:0},
-                              {x:100,y:0},
-                              {x:150,y:0}]
-                        },
-              granulate:{visible:false},
-              flocculate:{
-            			 number:1,	       // 1 = one element by one, more = by groupe of n
-            			 action:"buffer",       	// [buffer,continue]
-            			 strategy:"Size",       	// [BufferSize, Time, AcummulationAreaHeight, Fps, Manual]
-                   bufferSize:5,         	  // number of token to make floculation
-            			 bufferTime:1000,      	  // time buffer to make flocullation
-            			 bufferHeight:50,       	// height (pixel) to make floculation
-            			 bufferFrameRate:25,    	// if the computer is to slow floculate
-                   buffer:[]
-    					},
-              suspension:{
-                          height:null,      // pourcent,adaptative
-                          incomming:'top',
-                          decay:{power:1.001}, // null
-                          refresh:200
-                         },
-              accumulation:{height:null},   // pourcent ,adaptative
-              aggregation:{height:0, maxData:0, invertStrata:false},       // pourcent ,adaptative
-          },
-          options:{
-                  refresh:1000/25,
-                  panel:false,
-                  scale:30,
-                  layout:false,
-                  canvasFirst:true
-                  }
-          }
-
-
-    this.now = function(){
-      return(new Date().getTime())
-    }
-
-     // get Box2d World 
-     this.globalDecay = function (value){
-      if(typeof(value)=='undefined'){
-        return this.settings.sedimentation.suspension.decay.power
-      }else{
-        return this.settings.sedimentation.suspension.decay.power=value
-      }
-     }
-
-     // get Box2d World 
-     this.getWorld = function (){
-      return this.world;
-     }
-
-     this.chartUpdate = function (cat,y){
-      var options = {cat:cat,y:y}
-      this.chart[this.settings.chart.type](self,'update',options)
-     }
-
-     // Todo  ...... 
-     this.flocculateTokens = function (number){
-      return this.flocculate.update(self,number)
-     }
-
-     // TODO DESTROY ALL TOKENS 
-    this.flocculateAll = function(){
-        return this.flocculate.all(self)
-     }
-
-     // Add token function 
-     this.addToken = function (element){
-      //var token = this.token.addToken(self,element)
-      return this.token.addToken(self,element);
-     }
-     
-     // Select token fonction
-     this.selectAll = function (key,value){
-      return this.token.selectAll(self,key,value);
-     }
-
-     // Select token fonction
-     this.select = function (key,value){
-      return this.token.select(self,key,value);
-     }
-
-     // update a categoryr in the chart
-     this.updateAll = function (values){
-      var tokens = this.chart.updateAll(self,key,value)
-      return tokens;
-     }
-
-     // update a category in the chart
-     this.update = function (key,value){
-      var tokens = this.chart.update(self,key,value)
-      return tokens;
-     }
-
-
-    /// Settings without 
-
-
-    //////////////////////////////////////////////////////// TO CLEAN
-    // SAM @ROM1 : are you sure you need that ? extend doing it well normally
-  	// Merge options with defaults
-    // http://stackoverflow.com/questions/171251/how-can-i-merge-properties-of-two-javascript-objects-dynamically
-    
-    //console.log("////////")
-    //options.model = modelToStrata(options.data.model)
-
-    function merge_options(obj1,obj2){
-        var obj3 = {};
-        for (var attrname in obj1) { obj3[attrname] = obj1[attrname]; }
-        for (var attrname in obj2) { obj3[attrname] = obj2[attrname]; }
-        return obj3;
-    }
-
-     merge_options(defaultSettings, options);
-     if(options.data!=undefined)
-     defaultSettings.data = options.data;
-     
-     ////////////////////////////////////////////////////////////////////////////////////
-     // Merge option and add the DOMelement to setting
-     //this.settings = $.extend(defaultSettings, options || {});
-     this.settings = $.extend(true,defaultSettings, options);
-     this.settings.DOMelement = element
-     //console.log('settings after extend',this.settings)
-
-     // -----------------------------------------------
-     // SIMPLE DEFAULT SETTING FOR RETRO COMPATIBILITY 
-     //
-     if(typeof(this.settings.chart.width) =="undefined"){this.settings.chart.width = this.settings.width}
-     if(typeof(this.settings.chart.x)     =="undefined")this.settings.chart.x=0
-     if(typeof(this.settings.chart.y)     =="undefined")this.settings.chart.y=0
-     if(typeof(this.settings.chart.height)=="undefined")this.settings.chart.height=this.settings.height
-     if(typeof(this.settings.stream)      =="undefined"){this.settings.stream={}}
-     if(typeof(this.settings.stream.now)  =="undefined"){this.settings.stream.now=0}     
-     if(typeof(this.settings.stream.provider)=="undefined"){this.settings.stream.provider='generator'}
-     if(typeof(this.settings.stream.refresh)=="undefined"){this.settings.stream.refresh=1000}
-     if(typeof(this.settings.data.tokenPast)=="undefined"){this.settings.data.tokenPast=0}
-     if(typeof(this.settings.data.tokens)=="undefined"){this.settings.data.tokens=[]}
-
-     // FOR ROM1 setting by default aggregation : 
-     if(typeof(this.settings.data.strata) !="undefined" && this.settings.data.strata.length!=0){
-       if(typeof(this.settings.sedimentation.aggregation) =="undefined"){
-          this.settings.sedimentation.aggregation = {}
-        }
-       if(typeof(this.settings.sedimentation.aggregation.height) =="undefined"){
-          this.settings.sedimentation.aggregation.height = this.settings.chart.height/2
-       }
-      if(typeof(this.settings.sedimentation.aggregation.maxData) =="undefined"){
-          this.settings.sedimentation.aggregation.maxData = 10
-       }
-     }
-     // END
-
-
-     // Initialisation - Private method 
-     this.init = function(){
-       // requestAnim shim layer by Paul Irish
-       // not use yet, to add
-       this.requestAnimFrame = (function(){
-         return  window.requestAnimationFrame       || 
-                 window.webkitRequestAnimationFrame || 
-                 window.mozRequestAnimationFrame    || 
-                 window.oRequestAnimationFrame      || 
-                 window.msRequestAnimationFrame     || 
-                 function(/* function */ callback, /* DOMElement */ element){
-                   window.setTimeout(callback, 1000 / 60);
-                 };
-       })();
-
-        //console.log(this.settings)
-        //console.log('Initialisation');
-        
-        // Create the physical simulation 
-   		   this.world = new this.phy.b2World(
-   		      new this.phy.b2Vec2(0, 0)       //gravity
-   		     ,  true                 //allow sleep
-   		   );
-
-   	    // Create container and canvas for physical simulation drawing 
-		    var container = element.appendChild(document.createElement("div"));
-		    container.id  = "box_sediviz_"+GUID()
-        container.width  = this.settings.width; // TOFIX
-        container.height = this.settings.height;
-
-        //console.log(container.id)
-        // Allocate the new Element 
-        this.settings.DOMelement = container
-
-		    canvas 		    = container.appendChild(document.createElement("canvas"));
-		    canvas.id 	  = "canvas";
-		    canvas.width  = this.settings.width; // TOFIX
-		    canvas.height = this.settings.height;
-        canvas.style.position = "absolute"
-
-        //console.log(this.settings.width,this.settings.height)
-        this.ctx = canvas.getContext("2d");  
-
-       // Construct the Chart
-       this.chart[this.settings.chart.type](self,'init')
-
-
-       // Draw d3
-       //if(typeof(this.settings.options.debugaggregate)=="undefined"){
-       // this.aggregate.init(self);
-       //}
-       // Initiatlise stream 
-       this.stream.init(self)
-       // Initiatlise decay
-       this.flocculate.init(self)
-       // Update stream 
-       this.stream.update(self);
-
-       // Initiatlise tokens 
-       this.token.init(self)
-
-       //FORCE UPDATE CHART due to  (bug positionnement ) @rom1
-      this.strata.init(this)
-
-   		 // Update the physical simulation 
-  		 window.setInterval(
-              function(){self.update(self);},
-               self.settings.options.refresh/2
-              );
-       // Refresh canvas drawings 
-       window.setInterval(
-              function(){self.draw.update(self);},
-              self.settings.options.refresh
-              );
-       // Update Decay 
-       window.setInterval(
-              function(){self.decay.update(self);},
-              self.settings.sedimentation.suspension.refresh
-       );
-       //this.decay.update(self);
-
-      self.strata.update(self)
-
-
- // MOUSE PART 
- // inspired by box2d stuffs, have to clean and finish this ! 
- // http://www.emanueleferonato.com/2008/11/20/dragging-objects-with-box2d-flash/
- // --------------------------
-   this.getBodyAtMouse=function (_this) {
-
-      var x         = _this.mouse.x/_this.settings.options.scale
-      var y         =_this.mouse.y/_this.settings.options.scale
-      var mousePVec = new _this.phy.b2Vec2(x,y);
-      var aabb      = new _this.phy.b2AABB();
-      var area      = 0.001
-
-      //console.log(_this.mouse.x,_this.mouse.y)
-      aabb.lowerBound.Set(x - area, y - area);
-      aabb.upperBound.Set(x + area, y + area);
-      
-      // Query the world for overlapping shapes.
-      _this.mouse.selectedToken = null;
-
-      // MERCI JULIEN POUR LE CLOSURE 
-      //selectedBody
-      _this.world.QueryAABB(function(fixture){
-        return getBodyCB(fixture,_this,mousePVec)
-      }, aabb);
-
-      return _this.mouse.selectedToken;
-   }
-   //http://stackoverflow.com/questions/11674200/how-to-send-prototype-method-as-a-callback-in-javascript
-   // pb here 
-   function getBodyCB(fixture,_this,mousePVec) {
-       //console.log("phy",phy)
-      //console.log("fixture",fixture.m_userData.type,fixture)
-      //_this.mouse.elementpoi = fixture.GetBody()
-      _this.mouse.selectedToken = fixture;
-
-      if(fixture.GetBody().GetType() != _this.phy.b2Body.b2_staticBody) {
-         if(fixture.GetShape().TestPoint(fixture.GetBody().GetTransform(), mousePVec)) {
-            _this.mouse.selectedToken = fixture;
-            return false;
-         }
-      }
-      return true;
-   }
-
-    this.handleMouseMove = function(e,_this) {
-       canvasPosition   = DOMabsOffset(_this.settings.DOMelement)
-       _this.mouse.x = (e.clientX - (canvasPosition.offsetLeft- this.getScrollPosition()[0]));
-       _this.mouse.y = (e.clientY - (canvasPosition.offsetTop- this.getScrollPosition()[1]));
-      //if( _this.mouse.isMouseDown){  console.log(_this.mouse.y,canvasPosition.y)}
-      //console.log("mouse",e.clientX,e.clientY )
-      //console.log("mouse",canvasPosition.x,canvasPosition.y )
-      //console.log("=",_this.mouse.x,_this.mouse.y)
-   };
-   // from 
-   this.getScrollPosition= function(){
-    return Array((document.documentElement && document.documentElement.scrollLeft) || window.pageXOffset || self.pageXOffset || document.body.scrollLeft,(document.documentElement && document.documentElement.scrollTop) || window.pageYOffset || self.pageYOffset || document.body.scrollTop);
-    }
-
-   document.addEventListener("mousemove",   function (e){onDocumentMouseMove(e,self)});
-   document.addEventListener("mouseup",   function (e){onDocumentMouseUp(e,self)});
-   document.addEventListener("mousedown", function (e){onDocumentMouseDown(e,self)});
-
-
-
-   function onDocumentMouseOver(e,_this) {
-
-     var s = _this.getBodyAtMouse(_this);   
-        if(s!=null){
-          if(typeof(s.m_userData)!="undefined"){
-           if(typeof(s.m_userData.callback)!="undefined"){
-            if(typeof(s.m_userData.callback.mouseover)=="function"){
-                var t = _this.select('ID',s.m_userData.ID)
-                s.m_userData.callback.mouseover(t)                
-            }
-
-            if(typeof(s.m_userData.callback.mouseout)=="function"){
-                //console.log("mouseout exist")
-                var t = _this.select('ID',s.m_userData.ID)
-                var mouseoutTrigger 
-                var rollOut = function(){
-                      var mt  = mouseoutTrigger
-                      var tt  = t
-                      var ici = _this
-                      var ss  = s
-                      return function(){
-                           var s = ici.getBodyAtMouse(ici);
-                           var mo = false;
-                           if(s!=null){
-                              if(typeof(s.m_userData)!="undefined"){
-                                  if(s.m_userData.ID==tt.attr('ID')){
-                                      mo=false
-                                  }else{
-                                    mo=true
-                                  }
-                              }else{
-                                mo=true
-                              }
-                           }else{
-                            mo=true;
-                           }
-                           if(mo){
-                            ss.m_userData.callback.mouseout(tt)
-                            clearInterval(mouseoutTrigger)
-                           }
-                      }
-                };
-                mouseoutTrigger = window.setInterval(rollOut(),100)
-            }
-           }
-          }
-        }
-   }
-
-   function onDocumentMouseDown(e,_this) {
-     //console.log("onDocumentMouseDown")
-     _this.mouse.isMouseDown = true;
-     // return false;
-     _this.handleMouseMove(e,_this);
-     var s = _this.getBodyAtMouse(_this);
-    if(s!=null){
-      if(typeof(s.m_userData)!="undefined"){
-        if(typeof(s.m_userData.callback)!="undefined"){
-          if(typeof(s.m_userData.callback.onclick)=="function"){
-               var t = _this.select('ID',s.m_userData.ID)
-              s.m_userData.callback.onclick(t)  
-         }
-        }
-      }
-     }
-   }
-
-      function onDocumentMouseUp(e,_this) {
-        _this.mouse.isMouseDown = false;
-       // isMouseDown = false;
-       // return false;
-       //console.log("onDocumentMouseUp")
-      }
-      function onDocumentMouseMove( e,_this ) {
-
-       if(_this.mouse.isMouseDown){
-           _this.mouse.isMouseDragging = true;
-           _this.mouse.x = e.clientX;
-           _this.mouse.y = e.clientY;
-      
-      }else{
-          _this.handleMouseMove(e,_this);
-          onDocumentMouseOver("move",_this)
-      }
-      //console.log("m",_this)
-      }
-  }       
-    
-
-  this.mouse.update = function (s) {   
-      if(isMouseDown && (!mouseJoint)) {
-         var body = getBodyAtMouse();
-         if(body) {
-            var md = new b2MouseJointDef();
-            md.bodyA = world.GetGroundBody();
-            md.bodyB = body;
-            md.target.Set(mouseX, mouseY);
-            md.collideConnected = true;
-            md.maxForce = 300.0 * body.GetMass();
-            mouseJoint = world.CreateJoint(md);
-            body.SetAwake(true);
-         }
-      }
-      
-      if(mouseJoint) {
-         if(isMouseDown) {
-            mouseJoint.SetTarget(new b2Vec2(mouseX, mouseY));
-         } else {
-            world.DestroyJoint(mouseJoint);
-            mouseJoint = null;
-         }
-      }
-   
-   };
-
-
-
- // MOUSE END 
- // --------------------------
-
-    this.update = function (s) {
-     	this.world.Step(1 / 60, 10, 10);
-     	this.world.DrawDebugData();
-     	this.world.ClearForces();
-      //console.log('u')
-     }
-
-    var drawInit = function(){ 		  
-      ctx.fillStyle = "rgb(200,0,0)";  
- 		  this.ctx.font = "14pt Calibri,Geneva,Arial";
-      this.ctx.fillText("Canvas ready for Visual Sedimentation ", 10, 20);
-		  window.setInterval(
-			   $.fn.vs.draw.refresh(ctx,world,this.settings)
-			   , this.settings.options.refresh);
-		 console.log("draw Init ")
-     }
-
-
-     var DOMabsOffset = function(target){
-        var top = target.offsetTop;
-        var left = target.offsetLeft;
-         
-        while(target = target.offsetParent) {
-          top += target.offsetTop;
-          left += target.offsetLeft;
-        }
-         
-        return {offsetLeft:left, offsetTop:top};
-      };
-
-    // GUID generator from : 
-    // http://stackoverflow.com/questions/105034/how-to-create-a-guid-uuid-in-javascript
-    var GUID = function(){
-        var S4 = function ()
-        {
-            return Math.floor(
-                    Math.random() * 0x10000 /* 65536 */
-                ).toString(16);
-        };
-    
-        return (
-                S4() + S4() + "-" +
-                S4() + "-" +
-                S4() + "-" +
-                S4() + "-" +
-                S4() + S4() + S4()
-            );
-    }
-
-    // clone object 
-    // http://stackoverflow.com/questions/728360/copying-an-object-in-javascript
-    function clone(obj) {
-      if (null == obj || "object" != typeof obj) return obj;
-      var copy = obj.constructor();
-      for (var attr in obj) {
-          if (obj.hasOwnProperty(attr)) copy[attr] = obj[attr];
-      }
-      return copy;
-    }
-    this.utile       = {}
-    this.utile.GUID  = GUID
-    this.utile.clone = clone
-
-    this.settings = $.extend(this.settings, {} || {});
-    //console.log("ici",this.settings)
-    this.init();
-     
- };
-
-$.fn.vs  = function(options){
-  if (!arguments.length){var options={}}
-  //console.log('$.fn.vs settings',options)
-     return this.each(function(){
-         var element = $(this);
-         // Return early if this element already has a plugin instance
-         if (element.data('VisualSedimentation')) return;
-         var visualSedimentation = new VisualSedimentation(this,options);
-         // Store plugin object in this element's data
-         element.data('visualSedimentation', visualSedimentation);
-         //visualSedimentation.test();
-     });
- };
-
-})(jQuery);
-
-
-
-
-
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/_vs.mouse.js
--- a/integ/js/vs/_vs.mouse.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,5 +0,0 @@
-(function ($) {
-$.fn._vs.mouse = {
-	    init:function(){},
-	}
-})
\ No newline at end of file
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/_vs.old.js
--- a/integ/js/vs/_vs.old.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,174 +0,0 @@
-// ....................................................................
-// Bar Chart Plug In
-// ....................................................................
-(function($){
-
-var VisualSedimentation = function(element,options){
-
-  var elem 	= $(element);
-  var self 	= this;
-  
-  var world;
-	var nBodies = [];
-	var B2D;
-	var canvas;
-	var   b2Vec2             = Box2D.Common.Math.b2Vec2
-      ,   b2AABB             = Box2D.Collision.b2AABB
-      ,   b2BodyDef          = Box2D.Dynamics.b2BodyDef
-      ,   b2Body             = Box2D.Dynamics.b2Body
-      ,   b2FixtureDef       = Box2D.Dynamics.b2FixtureDef
-      ,   b2Fixture          = Box2D.Dynamics.b2Fixture
-      ,   b2World            = Box2D.Dynamics.b2World
-      ,   b2MassData         = Box2D.Collision.Shapes.b2MassData
-      ,   b2PolygonShape     = Box2D.Collision.Shapes.b2PolygonShape
-      ,   b2CircleShape      = Box2D.Collision.Shapes.b2CircleShape
-      ,   b2DebugDraw        = Box2D.Dynamics.b2DebugDraw
-      ,   b2MouseJointDef    = Box2D.Dynamics.Joints.b2MouseJointDef
-      ,   b2Shape            = Box2D.Collision.Shapes.b2Shape
-      ,   b2DistanceJointDef = Box2D.Dynamics.Joints.b2DistanceJointDef
-      ,   b2RevoluteJointDef = Box2D.Dynamics.Joints.b2RevoluteJointDef
-      ,   b2Joint            = Box2D.Dynamics.Joints.b2Joint
-      ,   b2PrismaticJointDef= Box2D.Dynamics.Joints.b2PrismaticJointDef
-      ,   b2ContactListener  = Box2D.Dynamics.b2ContactListener
-      ,   b2Settings         = Box2D.Common.b2Settings;
-
-
-   // Default options 
-	var defaultSettings =   {
-          width:500,
-          height:440,
-          layout:'StackedAreaChart',// AxisLabelLayout, AxisLayout, CircleLayout, CollapsedStackLayout, GridLayout, StackedAreaChart
-          data:{initial:[{label:'Label A',value:20},
-                		{label:'Label B',value:10},
-                		{label:'Label C',value:10}],
-          		stream:{provider:"generator",
-          				frequency:1000/60
-      					},
-          		}
-          ,
-          sedimentation:{
-              token:{size:20},           			// fill color, shape,
-              flocullate:{
-            			 limit:5,               	// object size limit before floculate = 2pixels
-            			 animation:"collective",	// [step,group,bySet] 
-            			 action:"buffer",       	// [buffer,continue]
-            			 startegy:"Size",       	// [BufferSize, Time, AcummulationAreaHeight, Fps, Manual]
-            			 bufferSize:50,         	// number of token to make floculation
-            			 bufferTime:10000,      	// time buffer to make flocullation
-            			 bufferHeight:50,       	// height (pixel) to make floculation
-            			 bufferFrameRate:25    		// if the computer is to slow floculate
-    					},
-              suspension:{height:null,incomming:'top'}, // pixel,pourcent,adaptative
-              accumulation:{height:null},           // pixel,pourcent,adaptative
-              agregation:{height:300},             // pixel,pourcent,adaptative
-          },
-          options:{spacer:10,
-                  wallColor:"rgba(230,230,230,0)",
-                  label:true,
-                  panel:true,
-                  refresh:1000/1000,
-                  panel:false
-                  }
-          }
-  	 // Merge options with defaults
-     this.settings = $.extend(defaultSettings, options || {});
-
-     // Public method
-     this.publicMethod = function(){
-        console.log('publicMethod() called!');
-     };
-
-     // Initialisation - Private method 
-     this.init = function(){
-        console.log(this.settings)
-        console.log('Initialisation');
-        //console.log(defaultSettings);
-        // Create the physical simulation 
-   		   world = new b2World(
-   		      new b2Vec2(0, 10)    //gravity
-   		     ,  true                 //allow sleep
-   		   );
-
-   	    // Create container and canvas for physical simulation drawing 
-		    var container = element.appendChild(document.createElement("div"));
-		    container.id  = "boxsediviz"
-		    canvas 		    = container.appendChild(document.createElement("canvas"));
-		    canvas.id 	  = "canvas";
-		    canvas.width  = this.settings.width; // TOFIX
-		    canvas.height = this.settings.height;  
-		    console.log(element)
-    
-   		 //Update the physical simulation 
-  		 window.setInterval(update, 1000 / 60);
-     };
-
-    var update = function () {
-     	world.Step(1 / 60, 10, 10);
-     	world.DrawDebugData();
-     	world.ClearForces();
-     }
-
-    var drawInit = function(){
-		  ctx = canvas.getContext("2d");  
- 		  ctx.fillStyle = "rgb(200,0,0)";  
- 		  ctx.font = "14pt Calibri,Geneva,Arial";
-      ctx.fillText("Canvas ready for Visual Sedimentation ", 10, 20);
-		  window.setInterval(
-			   $.fn.vs.draw.refresh(ctx,world,this.settings)
-			   , this.settings.options.refresh);
-		 console.log("draw Init ")
-     }
-
-     this.stream     = $.fn.vs.stream;
-     this.draw       = $.fn.vs.draw;
-     this.tokens     = $.fn.vs.tokens;
-     this.decay      = $.fn.vs.decay;
-     this.flocculate = $.fn.vs.flocculate;
-
-
-     this.init();
-     //drawInit();
-
-     this.stream.test();
- };
-
-visualSedimentation.fn = VisualSedimentation.prototype = {
-    // API Methods
-    hide: function() {
-        this.node.style.display = 'none';
-        return this;
-    },
-    
-   /* gr:function(){
-    	console.log("test ....")
-    }*/
-    // More methods here, each using 'return this', to enable chaining
-};
-
-
-visualSedimentation.fn.gr= function(){
-	console.log("ici VsBarChart.fn.draw")
-};
-
-$.fn.visualSedimentation = VisualSedimentation;
-
-$.fn.vs  = function(f,options){
-	 console.log(this);
-     return this.each(function(){
-         var element = $(this);
-         // Return early if this element already has a plugin instance
-         if (element.data('VisualSedimentation')) return;
-         var visualSedimentation = new VisualSedimentation(this,options);
-         // Store plugin object in this element's data
-         element.data('visualSedimentation', visualSedimentation);
-         //visualSedimentation.test();
-     });
- };
-$.fn.visualSedimentation.vs = VisualSedimentation;
-
-})(jQuery);
-
-
-
-
-
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/_vs.phy.js
--- a/integ/js/vs/_vs.phy.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,25 +0,0 @@
-(function ($) {
-
-$.fn._vs.phy = {
-  b2Vec2             : Box2D.Common.Math.b2Vec2,
-  b2AABB             : Box2D.Collision.b2AABB,
-  b2BodyDef          : Box2D.Dynamics.b2BodyDef,
-  b2Body             : Box2D.Dynamics.b2Body,
-  b2FixtureDef       : Box2D.Dynamics.b2FixtureDef,
-  b2Fixture          : Box2D.Dynamics.b2Fixture,
-  b2World            : Box2D.Dynamics.b2World,
-  b2MassData         : Box2D.Collision.Shapes.b2MassData,
-  b2PolygonShape     : Box2D.Collision.Shapes.b2PolygonShape,
-  b2CircleShape      : Box2D.Collision.Shapes.b2CircleShape,
-  b2DebugDraw        : Box2D.Dynamics.b2DebugDraw,
-  b2MouseJointDef    : Box2D.Dynamics.Joints.b2MouseJointDef,
-  b2Shape            : Box2D.Collision.Shapes.b2Shape,
-  b2DistanceJointDef : Box2D.Dynamics.Joints.b2DistanceJointDef,
-  b2RevoluteJointDef : Box2D.Dynamics.Joints.b2RevoluteJointDef,
-  b2Joint            : Box2D.Dynamics.Joints.b2Joint,
-  b2PrismaticJointDef: Box2D.Dynamics.Joints.b2PrismaticJointDef,
-  b2ContactListener  : Box2D.Dynamics.b2ContactListener,
-  b2Settings         : Box2D.Common.b2Settings
-}
-
-})(jQuery);
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/_vs.strata.js
--- a/integ/js/vs/_vs.strata.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,616 +0,0 @@
-(function ($) {
-$.fn._vs.strata = {
-
-    stratas: [],
-
-    // Create  stratas
-	  init:function(_this) {
-
-      if(_this.settings.chart.type!='StackedAreaChart') {
-
-        _this.strata.create_strata(_this);
-        return;
-      }
-      settings = _this.settings;
-
-      // No strata or empty strata, so nothing happens
-      if( (typeof(settings.data.strata) != 'function') && (typeof(settings.data.strata) == "undefined" || settings.data.strata.length == 0)) { // || settings.data.strata.length == 0) {
-
-          for (var i=0; i<settings.data.model.length; i++) {
-
-            var defaultStrata = {
-                              label: settings.data.model[i].label+"_"+i,
-                              category: i,
-                              value: function(t, s) { return 0;},
-                            }
-            _this.strata.stratas[i] = [defaultStrata];
-          };
-
-        _this.strata.create_strata(_this);
-        return;
-      }
-
-      if(typeof settings.data.strata != 'function') {
-
-        // Serialized function in JSON
-        if(typeof(settings.data.strata == "object") && typeof(settings.data.strata[0]) != "undefined" && (typeof settings.data.strata[0][0].value != "undefined") && typeof(settings.data.strata[0][0].value == "string")) {
-
-             var NB_STRATA = settings.data.strata[0].length;
-
-            // Create default strata object
-            for (var i=0; i<settings.data.model.length; i++) {
-              _this.strata.stratas[i] = [];
-              // Create default strata object
-              for (var n=0; n<NB_STRATA; n++) {
-                (function(a,b) {
-                  var t=null;
-                  if( (typeof settings.data.strata[a] !="undefined") && (typeof settings.data.strata[a][b] !="undefined") && (typeof settings.data.strata[a][b].texture!="undefined"))
-                    t = settings.data.strata[a][b].texture;
-                     var defaultStrata = {};
-              
-                    defaultStrata = {
-                                label: settings.data.model[i].label+"_"+a,
-                                category: a,
-                                texture: t,
-                                value: function() { r=eval("f="+settings.data.strata[a][b].value); return r();}
-                              }
-                 
-                    
-                  _this.strata.stratas[a].push(defaultStrata); 
-                 })(i,n);
-              }
-            }
-          _this.strata.create_strata(_this);
-
-          return;
-        }
-
-        if(typeof(settings.data.strata[0]) != "undefined" && typeof(settings.data.strata[0][0]) != "undefined" && typeof(settings.data.strata[0][0].initValue != "undefined" ) ) {
-
-          for (var c=0; c<settings.data.model.length; c++) {
-            var defaultStrata = {
-                              label: settings.data.model[c].label+"_"+c,
-                              category: i,
-                              value: function(t, s) { 
-                                if(t.selectAll("category", s)) {
-
-                                  return settings.data.strata[s][0].initValue+t.selectAll("category", s).attr("state").filter(function(d) {if(d==2) return d}).length;
-                                } else
-                                  return settings.data.strata[s][0].initValue;
-                              },
-                            }
-            _this.strata.stratas[c] = [defaultStrata];
-          };
-          _this.strata.create_strata(_this);
-          return;
-
-        } else if(settings.data.strata[0].length == 0) { // Default bar chart  
-
-          // Create default strata object
-          for (var i=0; i<settings.data.model.length; i++) {
-
-            var defaultStrata = {
-                              label: settings.data.model[i].label+"_"+i,
-                              category: i,
-                              value: function(t, s) { 
-                                if(t.selectAll("category", s)) {
-                                  return t.selectAll("category", s).attr("state").filter(function(d) {if(d==2) return d}).length;
-                                } else
-                                  return 0;
-                              },
-                            }
-            _this.strata.stratas[i] = [defaultStrata];
-          };
-          _this.strata.create_strata(_this);
-          return;
-
-        } else {
-
-          var NB_STRATA = settings.data.strata[0].length;
-          settings.data.strata_param = settings.data.strata;
-
-          function fstrata() {
-            var a = Array();
-            for(var s=0; s<mySettings.data.model.length; s++)
-              a.push(fstratum(s));
-            return a;
-          }
-
-      function fstratum(a) {
-
-        var b = Array(NB_STRATA);
-        for(var r=0; r<b.length; r++)
-            b[r] = Array();
-
-        if(typeof _this != "undefined") {
-
-          var tokens = _this.selectAll("category", s).attr("state").filter(function(d) {if(d==2) return d}).length;
-
-          for(var k=0; k<tokens.length; k++) { 
-            var tk = tokens[k];
-
-
-            for(var r=0; r<b.length; r++) {
-
-              if(tk < _this.settings.stream.now-2*(r) && tk >= _this.settings.stream.now-2*(r+1))
-                b[b.length-r-1].push(tk)
-              }
-          }
-
-        }
-        var res = Array();
-
-        for(var j=0; j<NB_STRATA; j++) {
-          var val = b[j].length;
-          (function(v) {
-             res.push({value: function() { return v; }, label:"Strata "+j, category:a}) // b[j].length
-          })(val);
-         
-        }
-        return res;
-      }
-
-          _this.settings.data.strata = function() {return fstrata()};
-          _this.strata.stratas = _this.settings.data.strata();
-          _this.strata.create_strata(_this);
-         return;
-        }
-
-      } 
-
-      if((typeof settings.data.strata == 'function') || settings.data.strata[0].length > 0 || _this.strata.stratas.length>0) {
-
-        // Strata have been defined, put them in the internal object
-        if(typeof settings.data.strata == 'function' || (settings.data.strata[0].length > 0 && typeof(settings.data.strata[0])=="object")) {
-
-          // Strata have been defined as functions
-          if(typeof settings.data.strata == 'function') {
-            _this.strata.stratas = settings.data.strata();
-
-          } else if(typeof settings.data.strata[0].value == 'function') {
-
-            for (var i=0; i<settings.data.model.length; i++) {
-
-                  var defaultStrata = {
-                                    label: settings.data.model[i].label+"_"+i,
-                                    category: i,
-                                    initValue: settings.data.model[i].value,
-                                    value: function(t, s) { 
-                                      return settings.data.strata[i];
-                                    },
-                                  }
-
-                  _this.strata.stratas[i] = [defaultStrata];
-
-            }
-
-          } else { // Numerical values as strata
-
-            for (var i=0; i<settings.data.model.length; i++) {
-              var defaultStrata = {
-                                label: settings.data.model[i].label+"_"+i,
-
-                                category: i,
-                                initValue: settings.data.model[i].value,
-
-                                value: function(t, s) { 
-                                  if(typeof(t.selectAll("category", s).length) == "undefined")
-                                    return this.initValue;                        
-                                  if(t.selectAll("category", s)) {
-                                    return this.initValue+t.selectAll("category", s).attr("state").filter(function(d) {if(d==2) return d}).length;
-                                  } else
-                                    return 0;
-                                },
-                              }
-
-              _this.strata.stratas[i] = [defaultStrata];
-            };
-          }
-        }
-        _this.strata.create_strata(_this);
-      }
-      // _this.strata.update(_this);
-    },
-
-      // select stratas	    
-	    selectAll:function(_this,key,value){
-	    	result = []
-     		result.attr  = function(key,value,param){
-     		  var r=[]
-     		  result.forEach(function(i){
-     		    q = i.attr(key,value,param)
-     		    r.push(q)
-     		  })
-     		  return r
-     		}
-
-      		if(typeof(value) == "undefined" && typeof(key) == "undefined"){ 
-      		  return this.stratas
-      		}else{
-      		  for (var i = _this.strata.stratas.length - 1; i >= 0; i--) {
-      		    if(_this.strata.stratas[i].attr(key) == value){
-      		      result.push(_this.strata.stratas[i])
-      		      break;
-      		    }
-      		  }
-      		}
-      		if(typeof(result[0])=="undefined"){
-      		  return false
-      		}else{
-      		  return result[0];
-      		}
-	    },
-
-      // Create stratas
-	    add:function(_this,setting){
-		    
-        var strata = function (){}
-        strata.myobj = setting
-
-		    strata.attr = function(key,value,param){
-            if(typeof(value) == "undefined"){
-              if(typeof(this[key])!="undefined"){
-               return this[key]()
-              }else{
-               return this.myobj[key]
-              }
-            }else{
-             if(typeof(this[key])!="undefined"){
-              this[key](value,param)
-             }else{
-              this.myobj[key]=value
-            }
-           }
-           return this
-          }
-        return strata
-	    },
-
-      // remove stratas
-	   	remove:function(_this,key,value){
-
-	   	},
-
-  // Returns n layers
-  strata_layers: function (_this, n, m, p) {
-
-    // Scales for setting up the strata layers
-    var sn = d3.scale.linear().domain([1, m-2]).range([Math.PI/2, 2*Math.PI-Math.PI/2]);  
-    var logscale = d3.scale.pow().exponent(10).domain([0, m]).range([0,1]);
-    
-    return d3.range(n).map(function(i) {
-      // For customs layers
-      var r = 5*Math.random();
-    
-      return d3.range(m).map(function(j) {
-
-        if(_this.settings.sedimentation.aggregation.strataType=="sin") {
-        if(i==1) return 20;
-          var x = 5+r*5*Math.sin(sn(j))+(i*50);
-          if(x<0) return -x; else return x;
-        } else if(_this.settings.sedimentation.aggregation.strataType=="log") {
-          return i+1;
-          //return logscale(j);//logscale(i);
-        } else {
-          if(typeof(p)=='undefined')
-            p=0;
-            return _this.strata.stratas[p][i].value(_this, p);
-        }
-      }).map(stream_index);
-    });
-    function stream_index(d, i) {
-      return {x: i, y: Math.max(0, d)};
-    }     
-  },
-  // Strata creation
-  create_strata: function(_this) {
-
-            if(_this.settings.chart.type=='StackedAreaChart') {
-
-              // Local variables for clearer code
-              var w = _this.settings.chart.width/_this.settings.data.model.length,
-                  h = _this.settings.sedimentation.aggregation.height;
-              var color = _this.token.colorRange; 
-
-            if(typeof _this.settings.options.canvasFirst != "undefined" && _this.settings.options.canvasFirst == false) {
-
-              // Create a .vis element that overlays the canvas
-              var vis = d3.select("#"+_this.settings.DOMelement.id)
-                .insert("div", ":first-child")
-                  .style("position", "absolute")
-                  .attr("class", "vis")
-                  .style("z-index", 10)
-                .append("svg")
-                  .attr("width", _this.settings.width)
-                  .attr("height", _this.settings.height)
-                .append("g")
-                  .attr("transform", "translate(" + _this.settings.chart.x + "," + _this.settings.chart.y + ")");
-            } else {
-
-              var vis = d3.select("#"+_this.settings.DOMelement.id)
-                .append("div")
-                  .attr("class", "vis")
-                  .style("z-index", 10)
-                .append("svg")
-                  .attr("width", _this.settings.width)
-                  .attr("height", _this.settings.height)
-                .append("g")
-                  .attr("transform", "translate(" + _this.settings.chart.x + "," + _this.settings.chart.y + ")");
-            }
-
-              var sn = _this.strata.stratas[0].length, // number of layers
-                  sm = 20; // number of samples per layer
-                  smx = sm - 1, smy = 0;
-
-
-            var sum_strata = _this.strata.stratas.map(
-              function(d, i) { 
-                  for(var v=0, res=0; v<d.length; v++)
-                    res+=d[v].value(_this, i);
-                  return res;
-              });
-
-                  
-            var y = d3.scale.linear()
-                .domain([0, Math.max(d3.max(sum_strata), _this.settings.sedimentation.aggregation.maxData)]) 
-                .range([0, _this.settings.sedimentation.aggregation.height]);  
-
-              // Create a group layer that contains all the future strata groups .gpath
-              var g = vis.selectAll("g.gcol")
-                  .data(_this.strata.stratas, function(d) {return [d];})
-                  .enter()
-                .append("g")
-                  .attr("transform", function(d, i) {
-
-                    var align = _this.settings.sedimentation.aggregation.height;
-                    if(_this.settings.sedimentation.aggregation.invertStrata) {
-                      align =2*_this.settings.sedimentation.aggregation.height-y(sum_strata[i]);
-                    }
-                    return "translate("+(i*w)+", "+(_this.settings.chart.height-align)+")";
-                  }).attr("class", function(d,i) { return "gcol col_"+i;});;
-
-              // Group path for each strata group
-              var gpath = g.selectAll(".gpath")
-                 .data(function(d, i) {
-                    var sd = d3.layout.stack().offset("expand")(_this.strata.strata_layers(_this, d.length, sm, i));
-                    smy = d3.max(sd, function(d) {
-                      return d3.max(d, function(d) {
-                        return d.y0 + d.y;
-                      });
-                    });
-                    sd.map(function(d) {d.map(function(d) {d.col=i;return d;});}); // Put col # in data
-                    return sd;
-                  })
-                  .enter().append("g").attr("class", "gpath");
-
-
-            // Rectangular strata
-            var area = d3.svg.area()
-                .x(function(d) { return _this.settings.chart.spacer+d.x * (w-2*_this.settings.chart.spacer) / smx; })
-                .y0(function(d) { return (h - d.y0 * d.offshit); })
-                .y1(function(d) { return (h - (d.y + d.y0) * d.offshit ); });
-
-              var pathlayer = gpath.append("path")
-                                .attr("d", function(d,i) {
-
-                                  _this.chartUpdate(i, -y(sum_strata[i])-(h-_this.settings.chart.height));
-                                  hh = 0;//_this.settings.chart.height-_this.chart.getPosition(_this)[d[0].col].y;
-                                  d.map(function(dd) {
-                                    dd.offshit = hh;
-                                    return dd;
-                                  });
-                                  return area(d);
-                                });
-
-              // Customize layers with color and texture
-              pathlayer.style("fill", function(d,i) { 
-                if(_this.strata.stratas[d[0].col][i].texture!=null) {
-                  return "url(#RectanglePattern_"+d[0].col+"_"+i+")";
-                } else {
-                  return d3.rgb(color(d[0].col))
-                    .darker(_this.strata.stratas[d[0].col].length/2-(i+1)/2); // The more away from the token, the darker
-                }
-              })
-              .attr("class",  function(d,i) { return "gcol col_"+d[0].col+" layer_"+i;});
-
-      // Textures
-      var patternWidth = w/1;
-      var patternHeight = patternWidth;        
-      
-      if(typeof _this.settings.data.strata != "undefined") {
-        for(var s=0; s<_this.settings.data.strata.length; s++) { 
-          for(var l=0; l<_this.settings.data.strata[s].length; l++) {          
-            if(_this.settings.data.strata[s][l].texture!=null) {
-
-              var pattern = vis.append('pattern')
-                  .attr('id','RectanglePattern_'+s+"_"+l)
-                  .attr('height', patternHeight)
-                  .attr('width', patternWidth)
-                  .attr('patternTransform', 'translate(0, 0) scale('+_this.settings.data.strata[s][l].texture.size+', '+_this.settings.data.strata[s][l].texture.size+') rotate(0)')
-                  .attr('patternUnits','userSpaceOnUse');
-                  
-              pattern.append('image')
-                  .attr('x', 0)
-                  .attr('y', 0)
-                  .attr('height', patternHeight)
-                  .attr('width', patternWidth)
-                  .attr('xlink:href', function() { return _this.settings.data.strata[s][l].texture.url;});    
-            }
-          }
-        }     
-      }
-            } else if(_this.settings.chart.type=='CircleLayout') {
-
-
-              // strata
-              var svg = d3.select("#"+_this.settings.DOMelement.id)
-                .append("div")
-                .attr("class", "vis")//.style("margin-top", "-"+_this.settings.height+"px")
-                .attr("width", _this.settings.width)
-                .attr("height", _this.settings.height)            
-                .append("svg")
-                .attr("width", _this.settings.width)
-                .attr("height", _this.settings.height);         
-
-              // bubble chart
-              if(typeof(_this.settings.chart.treeLayout)!="undefined") {
-
-                for(var i=0; i<_this.settings.data.model.length; i++) {
-                  var data =_this.settings.data.strata[i];   
-                  var color = function(s) { return _this.token.colorRange(i)};
-                  _this.strata.create_pie_chart(_this, data, svg, data[0].value, color,
-                     ((i+1/2))*_this.settings.chart.width/(_this.settings.data.model.length)+_this.settings.chart.x,
-                      _this.settings.chart.y+_this.settings.chart.height/6);
-                  }
-              } else {
-                var data =_this.settings.data.strata.map(function(d) { return {value:d[0].value};});   
-                  var color = _this.token.colorRange;
-                _this.strata.create_pie_chart(_this, data, svg, _this.settings.chart.radius, color,
-                 _this.settings.chart.x+_this.settings.chart.width/2,
-                 _this.settings.chart.y+_this.settings.chart.height/2);
-              }
-            }
-  },
-  create_pie_chart: function(_this, data, svg, r, color, posx, posy) {
-      
-    var w = _this.settings.width/_this.settings.data.model.length,
-        h = _this.settings.sedimentation.aggregation.height;//_this.settings.height;
-
-    var x = d3.scale.linear()
-        .domain([0, _this.settings.data.strata.length-1])
-        .range([0, _this.settings.width]);            
-        
-    
-    var y = d3.scale.linear()
-        .domain([0, d3.max(data, function(d) {return d.value; })]) 
-        .rangeRound([0, h]);            
-      
-    // CIRCLE
-    var wp = _this.settings.width,
-        hp = _this.settings.height,
-        hhp = _this.settings.sedimentation.aggregation.height;
-       //Math.min(w, hh) / 2,
-        labelr = r + 30, // radius for label anchor
-        donut = d3.layout.pie().sort(null),
-        arc = d3.svg.arc().innerRadius(0).outerRadius(r);
-                  
-    var id=Math.random();
-    svg.append("g.arcs_"+id)
-        .attr("class", "arcs_"+id);
-                  
-    var garcs = svg.selectAll(".arcs")
-        .data(donut(data.map(function(d, i) { return d.value})))
-      .enter().append("svg:g").attr("transform", "translate(" + posx + "," + posy + ")"); 
-    
-    var hh=0;
-
-    // Rectangular strata
-    var area = d3.svg.area()
-        .x(function(d) { return _this.settings.chart.spacer+d.x * (w-2*_this.settings.chart.spacer) / smx; })
-        .y0(function(d) { return (h - d.y0 * hh); }) //hh/smy
-        .y1(function(d) { return (h - (d.y + d.y0) * hh ); }); //hh/smy
-        
-    var arcs = garcs.append("path")
-        .attr("fill", function(d, i) { return color(i); })
-        .attr("d", function(d,i) {  
-
-          return arc(d);
-          
-        })
-        .each(function(d) { this._current = d; });
-                    
-  
-  },
-  update: function(_this) {
-      // No strata or empty strata, so nothing happens
-      if(typeof(_this.strata.stratas) == "undefined" || _this.strata.stratas.length == 0) {
-        //TODO: create virtual strata to store all the flocculated ones
-        return;
-      }
-
-      // If strata are functions, then refresh them
-      if(typeof settings.data.strata == 'function') {
-        _this.strata.stratas = settings.data.strata();
-      }
-              var sn = _this.strata.stratas[0].length, // number of layers
-                  sm = 20; // number of samples per layer
-                  smx = sm - 1, smy = 0;
-
-            // Local variables for clearer code
-            var w = _this.settings.chart.width/_this.settings.data.model.length,
-                h = _this.settings.sedimentation.aggregation.height;
-            var color = _this.token.colorRange; 
-
-            // Rectangular strata
-            var area = d3.svg.area()
-                .x(function(d) { return _this.settings.chart.spacer+d.x * (w-2*_this.settings.chart.spacer) / smx; })
-                .y0(function(d) { return (h - d.y0 * d.offshit); })
-                .y1(function(d) { return (h - (d.y + d.y0) * d.offshit ); });
-           
-            var sum_strata = _this.strata.stratas.map(
-              function(d, i) { 
-                  for(var v=0, res=0; v<d.length; v++) {
-                    res+=d[v].value(_this, i);
-                  }
-                  return res;
-              });
-
-            var y = d3.scale.linear()
-                .domain([0, Math.max(d3.max(sum_strata), _this.settings.sedimentation.aggregation.maxData)]) 
-                .range([0, _this.settings.sedimentation.aggregation.height]);  
-
-            var vis = d3.select("#"+_this.settings.DOMelement.id)
-
-            var g = vis.selectAll("g.gcol")
-
-
-            if(_this.settings.sedimentation.aggregation.invertStrata) {
-                  g.transition().duration(100).attr("transform", function(d, i) {
-                    var align = _this.settings.sedimentation.aggregation.height;
-                     align =2*_this.settings.sedimentation.aggregation.height-y(sum_strata[i]);
-                    return "translate("+(i*w)+", "+(_this.settings.chart.height-(2*_this.settings.sedimentation.aggregation.height-y(sum_strata[i])))+")";
-                  });
-            }
-
-          // Update the group data model
-            var gpath = g.selectAll("path")
-               .data(function(d, i) {
-                  var sd = d3.layout.stack().offset("expand")(_this.strata.strata_layers(_this, d.length, sm, i));
-
-                  smy = d3.max(sd, function(d) {
-                    return d3.max(d, function(d) {
-                      return d.y0 + d.y;
-                    });
-                  });
-                  sd.map(function(d) {
-                    d.map(function(d) {
-                      d.col=i;
-                      return d;
-                    });
-                  }); // Put col # in data
-                  return sd;
-               });
-
-          if(_this.settings.chart.type=='StackedAreaChart') {
-            // Adding strata layers
-            var pathlayer = vis.selectAll("path")
-              .transition().duration(100).attr("d", function(d,i) {
-  
-                if(!_this.settings.sedimentation.aggregation.invertStrata) {
-                    _this.chartUpdate(i, -y(sum_strata[i])-(h-_this.settings.chart.height));
-                    hh = _this.settings.chart.height-_this.chart.getPosition(_this)[d[0].col].y;
-                } else {
-                    _this.chartUpdate(i, -2*h+_this.settings.chart.height);
-                    hh = y(sum_strata[d[0].col]);
-                }
-                d.map(function(dd) {
-                  dd.offshit = hh;
-                  return dd;
-                });
-              return area(d);
-            });
-          }
-    }
-    //return {};
-	}
-})(jQuery);
\ No newline at end of file
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/_vs.stream.js
--- a/integ/js/vs/_vs.stream.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,93 +0,0 @@
-// ....................................................................
-// Stream function 
-// 
-// ....................................................................
-
-(function ($) {
-
-$.fn._vs.stream = {
-    i:null,
-    buffer:[],
-    speed:10000/6,
-    strategy:null,
-    type:null,
-
-    init:function(_this){
-      this.speed = _this.settings.data.stream.refresh
-      type       = _this.settings.data.stream.provider
-    },
-
-    push:function(elements){
-      console.log(elements)
-      for (var i = elements.length - 1; i >= 0; i--) {
-        buffer.push(elements)
-      };
-    },
-
-    update:function (_this){
-      if(type=='generator'){
-        for(var i = 0 ; i<_this.settings.data.model.length ; i++) {
-         _this.dataFlow[i] = setInterval(
-                            (function(i,_this){
-                              return function() { 
-                                _this.settings.data.stream.now++
-                                // find the element inside the chart conf files
-                                var token = _this.chart[_this.settings.chart.type](_this,'token',i)
-                                _this.addToken(token);
-                              }
-                            })(i,_this)
-                            ,this.speed);
-        }
-
-      }else if (type=='tokens'){
-
-        _this.dataFlow[0] = setInterval(
-                            (function(i,_this){
-                              return function() { 
-
-                                _this.settings.data.stream.now++
-                                //if(){
-                                  //console.log('tokens',_this.settings.stream.now)
-                                  for(var i = 0 ; i<_this.settings.data.tokens.length ; i++) {
-                                     if(_this.settings.data.tokens[i].t==_this.settings.data.stream.now){
-                                        _this.addToken(_this.settings.data.tokens[i]);
-                                     }
-                                  }
-                                //}
-                              }
-                            })(i,_this)
-                            ,this.speed);
-
-      }else{
-        //console.log('direct no stream')
-      }
-    },
-    generator:function(_this,fn){
-      /*
-      function sine(){}
-      function cosine(){}
-      function tane(){}
-    */
-    },
-    test:function (_this){                                              
-       _this.tokens.push(
-         _this.token.createDataBarBall(
-             _this,
-             (_this.settings.sedimentation.incoming[i].x+(Math.random()*2)),
-             (_this.settings.sedimentation.incoming[i].y+(Math.random()*1)),
-              _this.settings.sedimentation.token.size,
-              i)
-       )                  
-    },
-    setSpeed:function(_this,speed){
-      speedFlow  = speed;
-      for( var i = 0 ; i<categorys.length ; i++) {
-        window.clearInterval(dataFlow[i]);
-      }
-      window.clearInterval(decayFlow);
-      dataFlow(categorys);
-    }
-}
-
-
-})(jQuery);
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/_vs.token2.js
--- a/integ/js/vs/_vs.token2.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,601 +0,0 @@
-(function ($) {
-$.fn._vs.token = {
-
-    // alias for d3 color scale D3
-    colorRange:function(){},
-    
-    init:function(_this){
-      // Color scale import form d3 
-      // todo shape management
-      this.colorRange = _this.settings.chart.colorRange
-    },
-    ID:function(_this){
-      _this.settings.data.tokenPast+=1
-      return _this.settings.data.tokenPast
-    },
-    selectAll:function(_this,key,value){
-      // DRAFT VERSION writing select All ...... 
-      var result = []
-      var all    = false
-      result.flocculate  = function(){
-        var r=[]
-        result.forEach(function(i){
-          q = i.flocculate()
-          r.push(q)
-        })
-        return r
-      }
-      result.attr  = function(key,value,param){
-        var r=[]
-        result.forEach(function(i){
-          //console.log(key,value,param)
-          q = i.attr(key,value,param)
-          //console.log("q",q)
-          r.push(q)
-        })
-        return r
-      }
-      
-      result.b2dObj  = function(key,value,param){
-        var r=[]
-        result.forEach(function(i){
-          //console.log(key,value,param)
-          q = i.myobj
-          //console.log("q",q)
-          r.push(q)
-        })
-        return r
-      }
-
-      if(typeof(value) == "undefined" && typeof(key) == "undefined"){ 
-        all =true
-      }
-      
-      for (var i = _this.tokens.length - 1; i >= 0; i--) {
-        if(_this.tokens[i].attr(key) == value || all==true){
-          result.push(_this.tokens[i])
-       }
-      }
-        return result;
-    },
-
-    select:function(_this,key,value){
-      result = []
-      if(typeof(value) == "undefined" && typeof(key) == "undefined"){ 
-        return _this.tokens 
-      }else{
-        for (var i = _this.tokens.length - 1; i >= 0; i--) {
-          if(_this.tokens[i].attr(key) == value){
-            result.push(_this.tokens[i])
-            break;
-          }
-        }
-      }
-      if(typeof(result[0])=="undefined"){
-        return false
-      }else{
-        return result[0];
-      }
-    },
-
-
-    addToken:function (_this,element){
-     //default token setting  
-     var defaultTokenSetting ={
-        x:50,y:50, // positions
-        t:null,    // time 
-        category:1,// data category 
-        state:0,   // state 
-        /*
-         0 = Not Enter in the stage,
-         1 = suspension,
-         2 = floculation,
-         2 + n = _this.strata.list[n]
-        */
-
-        // Graphic Parameter
-        size:10,   fillStyle:'###',  strokeStyle:'rgba(0,0,0,0)', lineWidth:0, texture:undefined,
-        shape:{type:'round'}, // vertice, box, round, ?? svg path with json serialisation {}        
-        userdata:{},
-
-        // Interactions callbacks 
-        callback:{}, 
-        
-        // Physical parameters
-        phy:{ density:10,friction:0,restitution:0},
-        targets:[/*{x:null,y:null}*/],
-        elbow:{/*x:null,y:null*/}
-     }
-
-     var result = null;
-     var myobj = null
-     var token = {}
-     
-     token.toString = function() {
-         return "Token ID="+this.setting.ID;
-     }
-
-     //console.log(element)
-     if(typeof(element)=='undefined'){
-        token.setting = defaultTokenSetting
-        token.setting.ID = this.ID(_this)
-     } else {
-        token.setting   = element
-        if(typeof(token.setting.phy)    =='undefined') {token.setting.phy    = defaultTokenSetting.phy}
-        if(typeof(token.setting.t)      =='undefined') {token.setting.t      = _this.settings.stream.now}
-        if(typeof(token.setting.x)      =='undefined') {token.setting.x      = _this.settings.sedimentation.incoming.point[element.category].x+(Math.random()*2)}
-        if(typeof(token.setting.y)      =='undefined') {token.setting.y      = _this.settings.sedimentation.incoming.point[element.category].y+(Math.random()*2)}
-        if(typeof(token.setting.size)   =='undefined') {token.setting.size   = _this.settings.sedimentation.token.size.original}
-        if(typeof(token.setting.targets)=='undefined') {token.setting.targets=[]}
-        token.setting.ID = token.setting.ID = this.ID(_this)
-        if(typeof(token.setting.state)  =='undefined') {token.setting.state  = 0}
-        if(typeof(token.setting.shape)  =='undefined') {token.setting.shape  = defaultTokenSetting.shape }
-      }
-
-      token.myobj =  this.create(_this,token.setting)
-      //console.log("token.myobj",token.myobj)
-
-          token.flocculate = function(){
-            _this.tokens.indexOf(this)
-            _this.flocculate.destroyIt(_this,this)
-           return this
-          }
-
-          token.attr = function(key,value,param){
-            //console.log("attr",this.myobj)
-            if(typeof(value) == "undefined"){
-              if(typeof(this[key])!="undefined"){
-               return this[key]()
-              }else{
-               return this.myobj.m_userData[key]
-              }
-            }else{
-             if(typeof(this[key])!="undefined"){
-              this[key](value,param)
-             }else{
-              this.myobj.m_userData[key]=value
-            }
-           }
-           return this
-          }
-
-          token.callback = function(value,param){
-            if (!arguments.length){return this.myobj.m_userData.callback}
-            if (typeof(this.myobj.m_userData.callback[value])=="function"){
-              return this.myobj.m_userData.callback[value](param)
-            } else {
-              return function(param){console.log("callback undefined")}
-            }
-          }
-          
-          token.size = function(value){
-            //console.log(this.attr('state'))
-            if(this.myobj!=null && this.attr('state')<2){
-              if (!arguments.length){return this.myobj.m_shape.m_radius*this.myobj.m_userData.scale;}
-                this.myobj.m_shape.m_radius = value/this.myobj.m_userData.scale
-            }
-          }
-          token.b2dObj = function(){
-              if(this.myobj!=null && this.attr('state')<2){
-                return this.myobj
-              }
-          }
-      
-          token.texture = function(value){
-            if (!arguments.length){return this.myobj.m_userData.texture.img.src;}
-             console.log("texture",value)
-             this.myobj.m_userData.texture={}
-             this.myobj.m_userData.texture.img = new Image();
-             this.myobj.m_userData.texture.img.src = value
-          }
-
-      //console.log("token",token)
-      _this.tokens.push(token)
-      _this.decay.tokens.push(token)
-
-      // Execute suspension callback 
-      if(typeof(this.myobj.m_userData.callback)!="undefined"){
-        if(typeof(this.myobj.m_userData.callback.suspension)=="function"){
-           var t = _this.select('ID',token.setting.ID)
-           this.myobj.m_userData.callback.suspension(t)         
-        }
-      }
-
-     return token
-    },
-
-    // CREATE IS A TRY TO UNIFY TOKEN PRODUCTION
-    create:function(_this,token) {
-      //targetX,targetY, x, y,size,family
-      //console.log("create",token)
-      token.scale = scale = _this.settings.options.scale
-
-      //console.log("DBT")
-      var xPos              = token.x/scale+(Math.random()*0.1);
-      var yPos              = token.y/scale+(Math.random()*0.1);
-
-      // CREATE BALL
-      var fixDef            = new Box2D.Dynamics.b2FixtureDef;
-        fixDef.density      = 0.1;
-        fixDef.friction     = 0.0;
-        fixDef.restitution  = 0.0;
-        //console.log(token)
-
-        // round
-        if(token.shape.type == "round"){
-          fixDef.shape      = new Box2D.Collision.Shapes.b2CircleShape(token.size/scale);
-        // or polygon
-        }else if(token.shape.type == "polygons"){
-          //fixDef.shape      = new Box2D.Collision.Shapes.b2PolygonShape;
-          fixDef            = this.setPolygons(_this,token,fixDef)
-        }else if(token.shape.type == "box"){
-          fixDef.shape      = new Box2D.Collision.Shapes.b2PolygonShape;
-          //console.log(fixDef)
-          fixDef.shape.SetAsBox(token.shape.width/scale,token.shape.height/scale)
-        }
-
-      var bodyDef           = new Box2D.Dynamics.b2BodyDef;
-        bodyDef.type        = Box2D.Dynamics.b2Body.b2_dynamicBody;
-        bodyDef.position.x  = token.x/scale;//+(Math.random())
-        bodyDef.position.y  = token.y/scale;
-      
-      this.myobj = _this.world.CreateBody(bodyDef).CreateFixture(fixDef)
-
-      if(typeof(token.texture)!="undefined"){
-        token.texture.img = new Image();
-        token.texture.img.src = token.texture.src
-      }
-      
-      if(typeof(token.impulse)!="undefined"){
-        this.applyImpulse(this.myobj,token.impulse.angle,token.impulse.power);
-      }
-
-      if(typeof(token.fillStyle) =="undefined"){   token.fillStyle  = this.colorRange(token.category) }
-      //if(typeof(token.stokeStyle)=="undefined"){   token.stokeStyle = "#000"}//"rgba(0,0,0,0.5)" }
-      if(typeof(token.lineWidth) =="undefined"){   token.lineWidth  = 0 }
-      if(typeof(token.type)  =="undefined"){       token.type="token"   }
-      if(typeof(token.callback)  =="undefined"){   
-        token.callback = {}
-                   // {
-                   //      suspension:undefined,
-                   //      flocculation:undefined,
-                   //      draw:undefined,
-                   //      mouseover:undefined,
-                   //      mouseout:undefined,
-                   //      click:undefined
-                   //    }
-      }
-
-      this.myobj.m_userData       = token 
-      this.myobj.attr             = this.attr// function (){console.log(this)} 
-      this.myobj.m_userData.mouse = {}
-      this.myobj.m_userData.mouse.over        = false;
-      this.myobj.m_userData.mouse.down        = false;
-      this.myobj.m_userData.mouse.dragging    = false;
-      this.myobj.m_userData.mouse.statebefore = false;
-      this.myobj.m_userData.state = 1;  // now in the world
-
-      if(token.targets.length==0 && _this.settings.chart.type=="CircleLayout"){
-        token.targets[0]={
-                         x: _this.settings.sedimentation.incoming.target[token.category].x,
-                         y: _this.settings.sedimentation.incoming.target[token.category].y
-                  }
-      }
-
-      if(token.targets.length>0){
-        //console.log()
-        //CREATE JOIN MOUVEMENT TO TARGET
-        var md              = new _this.phy.b2MouseJointDef();
-        md.bodyA            = _this.world.GetGroundBody();
-        md.bodyB            = this.myobj.GetBody();
-        md.target.Set(xPos,yPos);
-        md.collideConnected = true;
-        md.maxForce         = 50 * this.myobj.GetBody().GetMass();
-        mouseJoint          = _this.world.CreateJoint(md);
-        mouseJoint.SetTarget(new _this.phy.b2Vec2(token.targets[0].x/scale, token.targets[0].y/scale));
-      }
-
-      // ADD INFO IN OBJECT
-      //categorys[family].value+=1;
-      //setTimeout(function(){mouseJoint.SetTarget(chart.position.x/scale, chart.position.y/scale)},1000);
-      //categorys[family].joins.push(mouseJoint); 
-    
-      return this.myobj;
-    },
-
-    applyImpulse:function(bodyId, degrees, power) {
-    var body = bodyId.GetBody();
-    body.ApplyImpulse(new Box2D.Common.Math.b2Vec2(Math.cos(degrees * (Math.PI / 180)) * power,
-                                 Math.sin(degrees * (Math.PI / 180)) * power),
-                                 body.GetWorldCenter());
-    },
-    
-
-    setPolygons:function (_this,token,fixDef){
-
-      fixDef.shape    = new Box2D.Collision.Shapes.b2PolygonShape;
-
-      if(token.shape.points==null){
-         token.shape.points = [{x: -1, y: -1}, {x: 1, y: -1}, {x: -1, y:-1},{x: 1, y:-1}]
-      };
-    
-      for (var i = 0; i < token.shape.points.length; i++) {
-          var vec = new Box2D.Common.Math.b2Vec2();
-          vec.Set(token.shape.points[i].x/scale, token.shape.points[i].y/scale);
-          token.shape.points[i] = vec;
-      }  
-
-      fixDef.shape.SetAsArray(token.shape.points, token.shape.points.length);
-      return fixDef;    
-    },
-
-
-    createDataBarBall:function (_this, x, y,size,family) { 
-      //console.log(Math.round(family)) ;
-      var fixDef = new Box2D.Dynamics.b2FixtureDef;
-        fixDef.density = 10.0;
-        fixDef.friction = 0.5;
-        fixDef.restitution = 0.2;
-        fixDef.shape = new Box2D.Collision.Shapes.b2CircleShape(size/_this.settings.options.scale);
-    
-      var bodyDef = new Box2D.Dynamics.b2BodyDef;
-        bodyDef.type = Box2D.Dynamics.b2Body.b2_dynamicBody;
-        bodyDef.position.x = x/_this.settings.options.scale;//+(Math.random())
-        bodyDef.position.y = y/_this.settings.options.scale;
-    
-      var myobj = _this.world.CreateBody(bodyDef).CreateFixture(fixDef)
-      myobj.m_userData={type:"BarChartBall",
-                familyID:'family',
-                fillColor:this.colorRange(family)} //dynamiq
-      //console.log(myobj);
-      return myobj;
-    },
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-    // ....................................................................
-    // OLD OLD OLD  Physicals elements 
-    // !!!!!!!!!!!!!!!!!!   Have to clean 
-    // ....................................................................
-
-    // !!!!!!!!!! To mix withe the one in piechart and bar chart ::: createBox
-    createBox:function (world, x, y, width, height, angle, fillColor, fixed) {
-      if (typeof(fixed) == 'undefined') fixed = true;
-       var fixDef       = new b2FixtureDef;
-      if (!fixed) fixDef.density = 100.0;
-       fixDef.friction    = 0.6;
-       fixDef.restitution   = 0.3;
-       
-       var bodyDef      = new b2BodyDef;
-       bodyDef.type     = b2Body.b2_staticBody;
-       bodyDef.angle    = angle ;//* b2Settings.b2_pi; 
-       fixDef.shape     = new b2PolygonShape;
-       fixDef.shape.SetAsBox(width/scale, height/scale);
-       bodyDef.position.Set(x/scale, y/scale);
-       var myobj        = world.CreateBody(bodyDef).CreateFixture(fixDef)
-       myobj.m_userData   = {type:"Wall",fillColor:fillColor}
-       console.log(myobj.m_userData)
-       return myobj;
-       
-    },
-    createBoxPie:function (world,axis, x, y, width, height, angle, fillColor) {
-      var bodyDef     = new b2BodyDef;
-        bodyDef.type    = Box2D.Dynamics.b2Body.b2_dynamicBody;
-      var fixDef      = new Box2D.Dynamics.b2FixtureDef;
-      fixDef.shape    = new b2PolygonShape;
-      fixDef.shape.SetAsBox(width/scale, height/scale);
-        fixDef.density      = 1000000.0;
-        fixDef.friction     = 0.5;
-        fixDef.restitution  = 0.2;
-        bodyDef.position.Set(x/scale, y/scale);
-      bodyDef.angle     = 0;
-      var myobj       = world.CreateBody(bodyDef).CreateFixture(fixDef);
-      myobj.m_userData  = {type:"Wall",fillColor:fillColor}
-    
-       return myobj;
-       
-    },
-    createBox0D:function (world, x, y, width, height, fixed) {
-      if (typeof(fixed) == 'undefined') fixed = true;
-      var boxSd = new b2BoxDef();
-      boxSd.restitution = -0.6;
-      boxSd.friction = .3;
-      if (!fixed) boxSd.density = 0.01;
-      boxSd.extents.Set(width, height);
-      var boxBd = new b2BodyDef();
-      boxBd.AddShape(boxSd);
-      boxBd.position.Set(x,y);
-      return world.CreateBody(boxBd)
-    },
-    createHiddenBox:function (world, x, y, width, height, fixed) {
-      if (typeof(fixed) == 'undefined') fixed = true;
-      var boxSd = new b2BoxDef();
-      boxSd.restitution = 0.6;
-      boxSd.friction = .3;
-      if (!fixed) boxSd.density = 1.0;
-      boxSd.extents.Set(width, height);
-      var boxBd = new b2BodyDef();
-      boxBd.AddShape(boxSd);
-      boxBd.position.Set(x,y);
-      var myObject = world.CreateBody(boxBd)
-      myObject.m_shapeList.visibility = 'hidden'; 
-      console.log(myObject);
-      return myObject
-      
-    },
-    createBigBall:function (world, x, y) { 
-      var fixDef           = new Box2D.Dynamics.b2FixtureDef;
-        fixDef.density     = 1000000.0;
-        fixDef.friction    = 0.5;
-        fixDef.restitution = 0.2;
-        fixDef.shape       = new Box2D.Collision.Shapes.b2CircleShape(20/30);
-    
-        var bodyDef      = new Box2D.Dynamics.b2BodyDef;
-      bodyDef.type     = Box2D.Dynamics.b2Body.b2_dynamicBody;
-        bodyDef.position.x = x;
-        bodyDef.position.y = y;
-      var myobj = world.CreateBody(bodyDef).CreateFixture(fixDef)
-      //console.log(myobj)
-      return myobj;
-    },
-    
-    /*
-    286
-        Create standard boxes of given height , width at x,y
-    287
-    */
-    
-    createPieBox:function (world, x, y, width, height,rotation,color, options){
-    
-      //default setting
-    
-     options = $.extend(true, {
-         'density':10000000.0 ,
-         'friction':1.0 ,
-         'restitution':0.2 ,
-         'linearDamping':0.0 ,
-         'angularDamping':0.0 ,
-         'gravityScale':0.0 ,
-         'type':b2Body.b2_dynamicBody
-     }, options);
-    
-    
-     var body_def       = new b2BodyDef();
-     var fix_def      = new b2FixtureDef;
-     fix_def.density    = options.density;
-     fix_def.friction     = options.friction;
-     fix_def.restitution  = options.restitution;
-     fix_def.shape      = new b2PolygonShape();
-     fix_def.shape.SetAsBox( width/scale , height/scale );
-     body_def.position.Set(x/scale , y/scale);
-     body_def.linearDamping = options.linearDamping;
-     body_def.angularDamping = options.angularDamping;
-     body_def.angle     = rotation;
-    
-     body_def.type      = options.type;
-     var b          = world.CreateBody( body_def );
-     var f          = b.CreateFixture(fix_def);
-     f.m_userData     = {type:"box",familyID:null,fillColor:color}
-    
-     return b;
-    
-    },
-
-    createDataBallTarget:function (world,targetX,targetY, x, y,size,family) {
-      //console.log("DBT")
-      var xPos              = x/scale+(Math.random()*0.1);
-      var yPos              = y/scale+(Math.random()*0.1);
-
-      // CREATE BALL
-      var fixDef            = new Box2D.Dynamics.b2FixtureDef;
-        fixDef.density      = 0.1;
-        fixDef.friction     = 0.0;
-        fixDef.restitution  = 0.0;
-        fixDef.shape        = new Box2D.Collision.Shapes.b2CircleShape(size/scale);
-        var bodyDef         = new Box2D.Dynamics.b2BodyDef;
-      bodyDef.type          = Box2D.Dynamics.b2Body.b2_dynamicBody;
-        bodyDef.position.x  = xPos;
-        bodyDef.position.y  = yPos;
-        var myobj           = world.CreateBody(bodyDef).CreateFixture(fixDef);
-      
-      //CREATE JOIN MOUVEMENT TO TARGET
-      var md                = new b2MouseJointDef();
-        md.bodyA            = world.GetGroundBody();
-        md.bodyB            = myobj.GetBody();
-        md.target.Set(xPos,yPos);
-        md.collideConnected = true;
-        md.maxForce         = 50* myobj.GetBody().GetMass();
-        mouseJoint          = world.CreateJoint(md);
-      mouseJoint.SetTarget(new b2Vec2(targetX/scale, targetY/scale));
-    
-      // ADD INFO IN OBJECT
-      myobj.m_userData  = {type:"PieBall",familyID:family,fillColor:colorScale(family)}
-      categorys[family].value+=1;
-      //setTimeout(function(){mouseJoint.SetTarget(chart.position.x/scale, chart.position.y/scale)},1000);
-      categorys[family].joins.push(mouseJoint); 
-    
-      return myobj;
-    },
-    
-    createDataBallPie:function (world,target, x, y,size,family) {
-      console.log(target)
-      var xPos = categorys[family].incomingPoint.x/scale+(Math.random()*2/scale);
-      var yPos = categorys[family].incomingPoint.y/scale;
-    
-      // CREATE BALL
-      var fixDef           = new Box2D.Dynamics.b2FixtureDef;
-        fixDef.density     = 0.1;
-        fixDef.friction    = 0.0;
-        fixDef.restitution = 0.0;
-        fixDef.shape       = new Box2D.Collision.Shapes.b2CircleShape(size/scale);
-    
-        var bodyDef = new Box2D.Dynamics.b2BodyDef;
-      bodyDef.type = Box2D.Dynamics.b2Body.b2_dynamicBody;
-    
-        bodyDef.position.x = xPos;
-        bodyDef.position.y = yPos;
-    
-      // I need a distinct list with bodies (and not fixtures)
-      var myo = world.CreateBody(bodyDef);
-        myo.m_userData={type:"PieBall",familyID:family,fillColor:categorys[family].color}
-        
-        listBodies.push(myo);
-      var myobj = myo.CreateFixture(fixDef);
-      
-      //CREATE JOIN MOUVEMENT TO TARGET
-      var md = new b2MouseJointDef();
-        md.bodyA = world.GetGroundBody();
-        md.bodyB = myobj.GetBody();
-        md.target.Set(xPos,yPos);
-    
-        md.collideConnected = true;
-        md.maxForce = 100* myobj.GetBody().GetMass();
-        mouseJoint = world.CreateJoint(md);
-      mouseJoint.SetTarget(new b2Vec2(target.position.x/scale, target.position.y/scale));
-      
-      // ADD INFO IN OBJECT
-      myobj.m_userData={type:"PieBall",familyID:family,fillColor:colorScale(family)}
-      categorys[family].value+=1;
-      //setTimeout(function(){mouseJoint.SetTarget(chart.position.x/scale, chart.position.y/scale)},1000);
-    
-      return myobj;
-    },
-    
-    createDataBall:function (_this, x, y,size) { 
-      var fixDef      = new Box2D.Dynamics.b2FixtureDef;
-        fixDef.density    = 1.0;
-        fixDef.friction   = 0.5;
-        fixDef.restitution  = 0.2;
-        fixDef.shape    = new Box2D.Collision.Shapes.b2CircleShape(size/_this.settings.options.scale);
-    
-      var bodyDef = new Box2D.Dynamics.b2BodyDef;
-      bodyDef.type = Box2D.Dynamics.b2Body.b2_dynamicBody;
-        bodyDef.position.x = x;//+(Math.random())
-        bodyDef.position.y = y;
-    
-      var myobj = _this.world.CreateBody(bodyDef).CreateFixture(fixDef)
-      myobj.m_userData={type:"PieBall",
-                familyID:'family',// add family ///
-                fillColor:"rgb(200,0,0)"}// add color 
-    
-      //console.log(myobj)
-      return myobj;
-    },
-
-}
-
-})(jQuery);
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/lib/Box2DWeb/Box2DWeb-2.1.a.3.js
--- a/integ/js/vs/lib/Box2DWeb/Box2DWeb-2.1.a.3.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,10866 +0,0 @@
-/*
-* Copyright (c) 2006-2007 Erin Catto http://www.gphysics.com
-*
-* This software is provided 'as-is', without any express or implied
-* warranty.  In no event will the authors be held liable for any damages
-* arising from the use of this software.
-* Permission is granted to anyone to use this software for any purpose,
-* including commercial applications, and to alter it and redistribute it
-* freely, subject to the following restrictions:
-* 1. The origin of this software must not be misrepresented; you must not
-* claim that you wrote the original software. If you use this software
-* in a product, an acknowledgment in the product documentation would be
-* appreciated but is not required.
-* 2. Altered source versions must be plainly marked as such, and must not be
-* misrepresented as being the original software.
-* 3. This notice may not be removed or altered from any source distribution.
-*/
-var Box2D = {};
-
-(function (a2j, undefined) {
-
-   if(!(Object.prototype.defineProperty instanceof Function)
-      && Object.prototype.__defineGetter__ instanceof Function
-      && Object.prototype.__defineSetter__ instanceof Function)
-   {
-      Object.defineProperty = function(obj, p, cfg) {
-         if(cfg.get instanceof Function)
-            obj.__defineGetter__(p, cfg.get);
-         if(cfg.set instanceof Function)
-            obj.__defineSetter__(p, cfg.set);
-      }
-   }
-   
-   function emptyFn() {};
-   a2j.inherit = function(cls, base) {
-      var tmpCtr = cls;
-      emptyFn.prototype = base.prototype;
-      cls.prototype = new emptyFn;
-      cls.prototype.constructor = tmpCtr;
-   };
-   
-   a2j.generateCallback = function generateCallback(context, cb) {
-      return function () {
-         cb.apply(context, arguments);
-      };
-   };
-   
-   a2j.NVector = function NVector(length) {
-      if (length === undefined) length = 0;
-      var tmp = new Array(length || 0);
-      for (var i = 0; i < length; ++i)
-      tmp[i] = 0;
-      return tmp;
-   };
-   
-   a2j.is = function is(o1, o2) {
-      if (o1 === null) return false;
-      if ((o2 instanceof Function) && (o1 instanceof o2)) return true;
-      if ((o1.constructor.__implements != undefined) && (o1.constructor.__implements[o2])) return true;
-      return false;
-   };
-   
-   a2j.parseUInt = function(v) {
-      return Math.abs(parseInt(v));
-   }
-   
-})(Box2D);
-
-//#TODO remove assignments from global namespace
-var Vector = Array;
-var Vector_a2j_Number = Box2D.NVector;
-//package structure
-if (typeof(Box2D) === "undefined") Box2D = {};
-if (typeof(Box2D.Collision) === "undefined") Box2D.Collision = {};
-if (typeof(Box2D.Collision.Shapes) === "undefined") Box2D.Collision.Shapes = {};
-if (typeof(Box2D.Common) === "undefined") Box2D.Common = {};
-if (typeof(Box2D.Common.Math) === "undefined") Box2D.Common.Math = {};
-if (typeof(Box2D.Dynamics) === "undefined") Box2D.Dynamics = {};
-if (typeof(Box2D.Dynamics.Contacts) === "undefined") Box2D.Dynamics.Contacts = {};
-if (typeof(Box2D.Dynamics.Controllers) === "undefined") Box2D.Dynamics.Controllers = {};
-if (typeof(Box2D.Dynamics.Joints) === "undefined") Box2D.Dynamics.Joints = {};
-//pre-definitions
-(function () {
-   Box2D.Collision.IBroadPhase = 'Box2D.Collision.IBroadPhase';
-
-   function b2AABB() {
-      b2AABB.b2AABB.apply(this, arguments);
-   };
-   Box2D.Collision.b2AABB = b2AABB;
-
-   function b2Bound() {
-      b2Bound.b2Bound.apply(this, arguments);
-   };
-   Box2D.Collision.b2Bound = b2Bound;
-
-   function b2BoundValues() {
-      b2BoundValues.b2BoundValues.apply(this, arguments);
-      if (this.constructor === b2BoundValues) this.b2BoundValues.apply(this, arguments);
-   };
-   Box2D.Collision.b2BoundValues = b2BoundValues;
-
-   function b2Collision() {
-      b2Collision.b2Collision.apply(this, arguments);
-   };
-   Box2D.Collision.b2Collision = b2Collision;
-
-   function b2ContactID() {
-      b2ContactID.b2ContactID.apply(this, arguments);
-      if (this.constructor === b2ContactID) this.b2ContactID.apply(this, arguments);
-   };
-   Box2D.Collision.b2ContactID = b2ContactID;
-
-   function b2ContactPoint() {
-      b2ContactPoint.b2ContactPoint.apply(this, arguments);
-   };
-   Box2D.Collision.b2ContactPoint = b2ContactPoint;
-
-   function b2Distance() {
-      b2Distance.b2Distance.apply(this, arguments);
-   };
-   Box2D.Collision.b2Distance = b2Distance;
-
-   function b2DistanceInput() {
-      b2DistanceInput.b2DistanceInput.apply(this, arguments);
-   };
-   Box2D.Collision.b2DistanceInput = b2DistanceInput;
-
-   function b2DistanceOutput() {
-      b2DistanceOutput.b2DistanceOutput.apply(this, arguments);
-   };
-   Box2D.Collision.b2DistanceOutput = b2DistanceOutput;
-
-   function b2DistanceProxy() {
-      b2DistanceProxy.b2DistanceProxy.apply(this, arguments);
-   };
-   Box2D.Collision.b2DistanceProxy = b2DistanceProxy;
-
-   function b2DynamicTree() {
-      b2DynamicTree.b2DynamicTree.apply(this, arguments);
-      if (this.constructor === b2DynamicTree) this.b2DynamicTree.apply(this, arguments);
-   };
-   Box2D.Collision.b2DynamicTree = b2DynamicTree;
-
-   function b2DynamicTreeBroadPhase() {
-      b2DynamicTreeBroadPhase.b2DynamicTreeBroadPhase.apply(this, arguments);
-   };
-   Box2D.Collision.b2DynamicTreeBroadPhase = b2DynamicTreeBroadPhase;
-
-   function b2DynamicTreeNode() {
-      b2DynamicTreeNode.b2DynamicTreeNode.apply(this, arguments);
-   };
-   Box2D.Collision.b2DynamicTreeNode = b2DynamicTreeNode;
-
-   function b2DynamicTreePair() {
-      b2DynamicTreePair.b2DynamicTreePair.apply(this, arguments);
-   };
-   Box2D.Collision.b2DynamicTreePair = b2DynamicTreePair;
-
-   function b2Manifold() {
-      b2Manifold.b2Manifold.apply(this, arguments);
-      if (this.constructor === b2Manifold) this.b2Manifold.apply(this, arguments);
-   };
-   Box2D.Collision.b2Manifold = b2Manifold;
-
-   function b2ManifoldPoint() {
-      b2ManifoldPoint.b2ManifoldPoint.apply(this, arguments);
-      if (this.constructor === b2ManifoldPoint) this.b2ManifoldPoint.apply(this, arguments);
-   };
-   Box2D.Collision.b2ManifoldPoint = b2ManifoldPoint;
-
-   function b2Point() {
-      b2Point.b2Point.apply(this, arguments);
-   };
-   Box2D.Collision.b2Point = b2Point;
-
-   function b2RayCastInput() {
-      b2RayCastInput.b2RayCastInput.apply(this, arguments);
-      if (this.constructor === b2RayCastInput) this.b2RayCastInput.apply(this, arguments);
-   };
-   Box2D.Collision.b2RayCastInput = b2RayCastInput;
-
-   function b2RayCastOutput() {
-      b2RayCastOutput.b2RayCastOutput.apply(this, arguments);
-   };
-   Box2D.Collision.b2RayCastOutput = b2RayCastOutput;
-
-   function b2Segment() {
-      b2Segment.b2Segment.apply(this, arguments);
-   };
-   Box2D.Collision.b2Segment = b2Segment;
-
-   function b2SeparationFunction() {
-      b2SeparationFunction.b2SeparationFunction.apply(this, arguments);
-   };
-   Box2D.Collision.b2SeparationFunction = b2SeparationFunction;
-
-   function b2Simplex() {
-      b2Simplex.b2Simplex.apply(this, arguments);
-      if (this.constructor === b2Simplex) this.b2Simplex.apply(this, arguments);
-   };
-   Box2D.Collision.b2Simplex = b2Simplex;
-
-   function b2SimplexCache() {
-      b2SimplexCache.b2SimplexCache.apply(this, arguments);
-   };
-   Box2D.Collision.b2SimplexCache = b2SimplexCache;
-
-   function b2SimplexVertex() {
-      b2SimplexVertex.b2SimplexVertex.apply(this, arguments);
-   };
-   Box2D.Collision.b2SimplexVertex = b2SimplexVertex;
-
-   function b2TimeOfImpact() {
-      b2TimeOfImpact.b2TimeOfImpact.apply(this, arguments);
-   };
-   Box2D.Collision.b2TimeOfImpact = b2TimeOfImpact;
-
-   function b2TOIInput() {
-      b2TOIInput.b2TOIInput.apply(this, arguments);
-   };
-   Box2D.Collision.b2TOIInput = b2TOIInput;
-
-   function b2WorldManifold() {
-      b2WorldManifold.b2WorldManifold.apply(this, arguments);
-      if (this.constructor === b2WorldManifold) this.b2WorldManifold.apply(this, arguments);
-   };
-   Box2D.Collision.b2WorldManifold = b2WorldManifold;
-
-   function ClipVertex() {
-      ClipVertex.ClipVertex.apply(this, arguments);
-   };
-   Box2D.Collision.ClipVertex = ClipVertex;
-
-   function Features() {
-      Features.Features.apply(this, arguments);
-   };
-   Box2D.Collision.Features = Features;
-
-   function b2CircleShape() {
-      b2CircleShape.b2CircleShape.apply(this, arguments);
-      if (this.constructor === b2CircleShape) this.b2CircleShape.apply(this, arguments);
-   };
-   Box2D.Collision.Shapes.b2CircleShape = b2CircleShape;
-
-   function b2EdgeChainDef() {
-      b2EdgeChainDef.b2EdgeChainDef.apply(this, arguments);
-      if (this.constructor === b2EdgeChainDef) this.b2EdgeChainDef.apply(this, arguments);
-   };
-   Box2D.Collision.Shapes.b2EdgeChainDef = b2EdgeChainDef;
-
-   function b2EdgeShape() {
-      b2EdgeShape.b2EdgeShape.apply(this, arguments);
-      if (this.constructor === b2EdgeShape) this.b2EdgeShape.apply(this, arguments);
-   };
-   Box2D.Collision.Shapes.b2EdgeShape = b2EdgeShape;
-
-   function b2MassData() {
-      b2MassData.b2MassData.apply(this, arguments);
-   };
-   Box2D.Collision.Shapes.b2MassData = b2MassData;
-
-   function b2PolygonShape() {
-      b2PolygonShape.b2PolygonShape.apply(this, arguments);
-      if (this.constructor === b2PolygonShape) this.b2PolygonShape.apply(this, arguments);
-   };
-   Box2D.Collision.Shapes.b2PolygonShape = b2PolygonShape;
-
-   function b2Shape() {
-      b2Shape.b2Shape.apply(this, arguments);
-      if (this.constructor === b2Shape) this.b2Shape.apply(this, arguments);
-   };
-   Box2D.Collision.Shapes.b2Shape = b2Shape;
-   Box2D.Common.b2internal = 'Box2D.Common.b2internal';
-
-   function b2Color() {
-      b2Color.b2Color.apply(this, arguments);
-      if (this.constructor === b2Color) this.b2Color.apply(this, arguments);
-   };
-   Box2D.Common.b2Color = b2Color;
-
-   function b2Settings() {
-      b2Settings.b2Settings.apply(this, arguments);
-   };
-   Box2D.Common.b2Settings = b2Settings;
-
-   function b2Mat22() {
-      b2Mat22.b2Mat22.apply(this, arguments);
-      if (this.constructor === b2Mat22) this.b2Mat22.apply(this, arguments);
-   };
-   Box2D.Common.Math.b2Mat22 = b2Mat22;
-
-   function b2Mat33() {
-      b2Mat33.b2Mat33.apply(this, arguments);
-      if (this.constructor === b2Mat33) this.b2Mat33.apply(this, arguments);
-   };
-   Box2D.Common.Math.b2Mat33 = b2Mat33;
-
-   function b2Math() {
-      b2Math.b2Math.apply(this, arguments);
-   };
-   Box2D.Common.Math.b2Math = b2Math;
-
-   function b2Sweep() {
-      b2Sweep.b2Sweep.apply(this, arguments);
-   };
-   Box2D.Common.Math.b2Sweep = b2Sweep;
-
-   function b2Transform() {
-      b2Transform.b2Transform.apply(this, arguments);
-      if (this.constructor === b2Transform) this.b2Transform.apply(this, arguments);
-   };
-   Box2D.Common.Math.b2Transform = b2Transform;
-
-   function b2Vec2() {
-      b2Vec2.b2Vec2.apply(this, arguments);
-      if (this.constructor === b2Vec2) this.b2Vec2.apply(this, arguments);
-   };
-   Box2D.Common.Math.b2Vec2 = b2Vec2;
-
-   function b2Vec3() {
-      b2Vec3.b2Vec3.apply(this, arguments);
-      if (this.constructor === b2Vec3) this.b2Vec3.apply(this, arguments);
-   };
-   Box2D.Common.Math.b2Vec3 = b2Vec3;
-
-   function b2Body() {
-      b2Body.b2Body.apply(this, arguments);
-      if (this.constructor === b2Body) this.b2Body.apply(this, arguments);
-   };
-   Box2D.Dynamics.b2Body = b2Body;
-
-   function b2BodyDef() {
-      b2BodyDef.b2BodyDef.apply(this, arguments);
-      if (this.constructor === b2BodyDef) this.b2BodyDef.apply(this, arguments);
-   };
-   Box2D.Dynamics.b2BodyDef = b2BodyDef;
-
-   function b2ContactFilter() {
-      b2ContactFilter.b2ContactFilter.apply(this, arguments);
-   };
-   Box2D.Dynamics.b2ContactFilter = b2ContactFilter;
-
-   function b2ContactImpulse() {
-      b2ContactImpulse.b2ContactImpulse.apply(this, arguments);
-   };
-   Box2D.Dynamics.b2ContactImpulse = b2ContactImpulse;
-
-   function b2ContactListener() {
-      b2ContactListener.b2ContactListener.apply(this, arguments);
-   };
-   Box2D.Dynamics.b2ContactListener = b2ContactListener;
-
-   function b2ContactManager() {
-      b2ContactManager.b2ContactManager.apply(this, arguments);
-      if (this.constructor === b2ContactManager) this.b2ContactManager.apply(this, arguments);
-   };
-   Box2D.Dynamics.b2ContactManager = b2ContactManager;
-
-   function b2DebugDraw() {
-      b2DebugDraw.b2DebugDraw.apply(this, arguments);
-      if (this.constructor === b2DebugDraw) this.b2DebugDraw.apply(this, arguments);
-   };
-   Box2D.Dynamics.b2DebugDraw = b2DebugDraw;
-
-   function b2DestructionListener() {
-      b2DestructionListener.b2DestructionListener.apply(this, arguments);
-   };
-   Box2D.Dynamics.b2DestructionListener = b2DestructionListener;
-
-   function b2FilterData() {
-      b2FilterData.b2FilterData.apply(this, arguments);
-   };
-   Box2D.Dynamics.b2FilterData = b2FilterData;
-
-   function b2Fixture() {
-      b2Fixture.b2Fixture.apply(this, arguments);
-      if (this.constructor === b2Fixture) this.b2Fixture.apply(this, arguments);
-   };
-   Box2D.Dynamics.b2Fixture = b2Fixture;
-
-   function b2FixtureDef() {
-      b2FixtureDef.b2FixtureDef.apply(this, arguments);
-      if (this.constructor === b2FixtureDef) this.b2FixtureDef.apply(this, arguments);
-   };
-   Box2D.Dynamics.b2FixtureDef = b2FixtureDef;
-
-   function b2Island() {
-      b2Island.b2Island.apply(this, arguments);
-      if (this.constructor === b2Island) this.b2Island.apply(this, arguments);
-   };
-   Box2D.Dynamics.b2Island = b2Island;
-
-   function b2TimeStep() {
-      b2TimeStep.b2TimeStep.apply(this, arguments);
-   };
-   Box2D.Dynamics.b2TimeStep = b2TimeStep;
-
-   function b2World() {
-      b2World.b2World.apply(this, arguments);
-      if (this.constructor === b2World) this.b2World.apply(this, arguments);
-   };
-   Box2D.Dynamics.b2World = b2World;
-
-   function b2CircleContact() {
-      b2CircleContact.b2CircleContact.apply(this, arguments);
-   };
-   Box2D.Dynamics.Contacts.b2CircleContact = b2CircleContact;
-
-   function b2Contact() {
-      b2Contact.b2Contact.apply(this, arguments);
-      if (this.constructor === b2Contact) this.b2Contact.apply(this, arguments);
-   };
-   Box2D.Dynamics.Contacts.b2Contact = b2Contact;
-
-   function b2ContactConstraint() {
-      b2ContactConstraint.b2ContactConstraint.apply(this, arguments);
-      if (this.constructor === b2ContactConstraint) this.b2ContactConstraint.apply(this, arguments);
-   };
-   Box2D.Dynamics.Contacts.b2ContactConstraint = b2ContactConstraint;
-
-   function b2ContactConstraintPoint() {
-      b2ContactConstraintPoint.b2ContactConstraintPoint.apply(this, arguments);
-   };
-   Box2D.Dynamics.Contacts.b2ContactConstraintPoint = b2ContactConstraintPoint;
-
-   function b2ContactEdge() {
-      b2ContactEdge.b2ContactEdge.apply(this, arguments);
-   };
-   Box2D.Dynamics.Contacts.b2ContactEdge = b2ContactEdge;
-
-   function b2ContactFactory() {
-      b2ContactFactory.b2ContactFactory.apply(this, arguments);
-      if (this.constructor === b2ContactFactory) this.b2ContactFactory.apply(this, arguments);
-   };
-   Box2D.Dynamics.Contacts.b2ContactFactory = b2ContactFactory;
-
-   function b2ContactRegister() {
-      b2ContactRegister.b2ContactRegister.apply(this, arguments);
-   };
-   Box2D.Dynamics.Contacts.b2ContactRegister = b2ContactRegister;
-
-   function b2ContactResult() {
-      b2ContactResult.b2ContactResult.apply(this, arguments);
-   };
-   Box2D.Dynamics.Contacts.b2ContactResult = b2ContactResult;
-
-   function b2ContactSolver() {
-      b2ContactSolver.b2ContactSolver.apply(this, arguments);
-      if (this.constructor === b2ContactSolver) this.b2ContactSolver.apply(this, arguments);
-   };
-   Box2D.Dynamics.Contacts.b2ContactSolver = b2ContactSolver;
-
-   function b2EdgeAndCircleContact() {
-      b2EdgeAndCircleContact.b2EdgeAndCircleContact.apply(this, arguments);
-   };
-   Box2D.Dynamics.Contacts.b2EdgeAndCircleContact = b2EdgeAndCircleContact;
-
-   function b2NullContact() {
-      b2NullContact.b2NullContact.apply(this, arguments);
-      if (this.constructor === b2NullContact) this.b2NullContact.apply(this, arguments);
-   };
-   Box2D.Dynamics.Contacts.b2NullContact = b2NullContact;
-
-   function b2PolyAndCircleContact() {
-      b2PolyAndCircleContact.b2PolyAndCircleContact.apply(this, arguments);
-   };
-   Box2D.Dynamics.Contacts.b2PolyAndCircleContact = b2PolyAndCircleContact;
-
-   function b2PolyAndEdgeContact() {
-      b2PolyAndEdgeContact.b2PolyAndEdgeContact.apply(this, arguments);
-   };
-   Box2D.Dynamics.Contacts.b2PolyAndEdgeContact = b2PolyAndEdgeContact;
-
-   function b2PolygonContact() {
-      b2PolygonContact.b2PolygonContact.apply(this, arguments);
-   };
-   Box2D.Dynamics.Contacts.b2PolygonContact = b2PolygonContact;
-
-   function b2PositionSolverManifold() {
-      b2PositionSolverManifold.b2PositionSolverManifold.apply(this, arguments);
-      if (this.constructor === b2PositionSolverManifold) this.b2PositionSolverManifold.apply(this, arguments);
-   };
-   Box2D.Dynamics.Contacts.b2PositionSolverManifold = b2PositionSolverManifold;
-
-   function b2BuoyancyController() {
-      b2BuoyancyController.b2BuoyancyController.apply(this, arguments);
-   };
-   Box2D.Dynamics.Controllers.b2BuoyancyController = b2BuoyancyController;
-
-   function b2ConstantAccelController() {
-      b2ConstantAccelController.b2ConstantAccelController.apply(this, arguments);
-   };
-   Box2D.Dynamics.Controllers.b2ConstantAccelController = b2ConstantAccelController;
-
-   function b2ConstantForceController() {
-      b2ConstantForceController.b2ConstantForceController.apply(this, arguments);
-   };
-   Box2D.Dynamics.Controllers.b2ConstantForceController = b2ConstantForceController;
-
-   function b2Controller() {
-      b2Controller.b2Controller.apply(this, arguments);
-   };
-   Box2D.Dynamics.Controllers.b2Controller = b2Controller;
-
-   function b2ControllerEdge() {
-      b2ControllerEdge.b2ControllerEdge.apply(this, arguments);
-   };
-   Box2D.Dynamics.Controllers.b2ControllerEdge = b2ControllerEdge;
-
-   function b2GravityController() {
-      b2GravityController.b2GravityController.apply(this, arguments);
-   };
-   Box2D.Dynamics.Controllers.b2GravityController = b2GravityController;
-
-   function b2TensorDampingController() {
-      b2TensorDampingController.b2TensorDampingController.apply(this, arguments);
-   };
-   Box2D.Dynamics.Controllers.b2TensorDampingController = b2TensorDampingController;
-
-   function b2DistanceJoint() {
-      b2DistanceJoint.b2DistanceJoint.apply(this, arguments);
-      if (this.constructor === b2DistanceJoint) this.b2DistanceJoint.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2DistanceJoint = b2DistanceJoint;
-
-   function b2DistanceJointDef() {
-      b2DistanceJointDef.b2DistanceJointDef.apply(this, arguments);
-      if (this.constructor === b2DistanceJointDef) this.b2DistanceJointDef.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2DistanceJointDef = b2DistanceJointDef;
-
-   function b2FrictionJoint() {
-      b2FrictionJoint.b2FrictionJoint.apply(this, arguments);
-      if (this.constructor === b2FrictionJoint) this.b2FrictionJoint.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2FrictionJoint = b2FrictionJoint;
-
-   function b2FrictionJointDef() {
-      b2FrictionJointDef.b2FrictionJointDef.apply(this, arguments);
-      if (this.constructor === b2FrictionJointDef) this.b2FrictionJointDef.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2FrictionJointDef = b2FrictionJointDef;
-
-   function b2GearJoint() {
-      b2GearJoint.b2GearJoint.apply(this, arguments);
-      if (this.constructor === b2GearJoint) this.b2GearJoint.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2GearJoint = b2GearJoint;
-
-   function b2GearJointDef() {
-      b2GearJointDef.b2GearJointDef.apply(this, arguments);
-      if (this.constructor === b2GearJointDef) this.b2GearJointDef.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2GearJointDef = b2GearJointDef;
-
-   function b2Jacobian() {
-      b2Jacobian.b2Jacobian.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2Jacobian = b2Jacobian;
-
-   function b2Joint() {
-      b2Joint.b2Joint.apply(this, arguments);
-      if (this.constructor === b2Joint) this.b2Joint.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2Joint = b2Joint;
-
-   function b2JointDef() {
-      b2JointDef.b2JointDef.apply(this, arguments);
-      if (this.constructor === b2JointDef) this.b2JointDef.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2JointDef = b2JointDef;
-
-   function b2JointEdge() {
-      b2JointEdge.b2JointEdge.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2JointEdge = b2JointEdge;
-
-   function b2LineJoint() {
-      b2LineJoint.b2LineJoint.apply(this, arguments);
-      if (this.constructor === b2LineJoint) this.b2LineJoint.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2LineJoint = b2LineJoint;
-
-   function b2LineJointDef() {
-      b2LineJointDef.b2LineJointDef.apply(this, arguments);
-      if (this.constructor === b2LineJointDef) this.b2LineJointDef.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2LineJointDef = b2LineJointDef;
-
-   function b2MouseJoint() {
-      b2MouseJoint.b2MouseJoint.apply(this, arguments);
-      if (this.constructor === b2MouseJoint) this.b2MouseJoint.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2MouseJoint = b2MouseJoint;
-
-   function b2MouseJointDef() {
-      b2MouseJointDef.b2MouseJointDef.apply(this, arguments);
-      if (this.constructor === b2MouseJointDef) this.b2MouseJointDef.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2MouseJointDef = b2MouseJointDef;
-
-   function b2PrismaticJoint() {
-      b2PrismaticJoint.b2PrismaticJoint.apply(this, arguments);
-      if (this.constructor === b2PrismaticJoint) this.b2PrismaticJoint.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2PrismaticJoint = b2PrismaticJoint;
-
-   function b2PrismaticJointDef() {
-      b2PrismaticJointDef.b2PrismaticJointDef.apply(this, arguments);
-      if (this.constructor === b2PrismaticJointDef) this.b2PrismaticJointDef.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2PrismaticJointDef = b2PrismaticJointDef;
-
-   function b2PulleyJoint() {
-      b2PulleyJoint.b2PulleyJoint.apply(this, arguments);
-      if (this.constructor === b2PulleyJoint) this.b2PulleyJoint.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2PulleyJoint = b2PulleyJoint;
-
-   function b2PulleyJointDef() {
-      b2PulleyJointDef.b2PulleyJointDef.apply(this, arguments);
-      if (this.constructor === b2PulleyJointDef) this.b2PulleyJointDef.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2PulleyJointDef = b2PulleyJointDef;
-
-   function b2RevoluteJoint() {
-      b2RevoluteJoint.b2RevoluteJoint.apply(this, arguments);
-      if (this.constructor === b2RevoluteJoint) this.b2RevoluteJoint.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2RevoluteJoint = b2RevoluteJoint;
-
-   function b2RevoluteJointDef() {
-      b2RevoluteJointDef.b2RevoluteJointDef.apply(this, arguments);
-      if (this.constructor === b2RevoluteJointDef) this.b2RevoluteJointDef.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2RevoluteJointDef = b2RevoluteJointDef;
-
-   function b2WeldJoint() {
-      b2WeldJoint.b2WeldJoint.apply(this, arguments);
-      if (this.constructor === b2WeldJoint) this.b2WeldJoint.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2WeldJoint = b2WeldJoint;
-
-   function b2WeldJointDef() {
-      b2WeldJointDef.b2WeldJointDef.apply(this, arguments);
-      if (this.constructor === b2WeldJointDef) this.b2WeldJointDef.apply(this, arguments);
-   };
-   Box2D.Dynamics.Joints.b2WeldJointDef = b2WeldJointDef;
-})(); //definitions
-Box2D.postDefs = [];
-(function () {
-   var b2CircleShape = Box2D.Collision.Shapes.b2CircleShape,
-      b2EdgeChainDef = Box2D.Collision.Shapes.b2EdgeChainDef,
-      b2EdgeShape = Box2D.Collision.Shapes.b2EdgeShape,
-      b2MassData = Box2D.Collision.Shapes.b2MassData,
-      b2PolygonShape = Box2D.Collision.Shapes.b2PolygonShape,
-      b2Shape = Box2D.Collision.Shapes.b2Shape,
-      b2Color = Box2D.Common.b2Color,
-      b2internal = Box2D.Common.b2internal,
-      b2Settings = Box2D.Common.b2Settings,
-      b2Mat22 = Box2D.Common.Math.b2Mat22,
-      b2Mat33 = Box2D.Common.Math.b2Mat33,
-      b2Math = Box2D.Common.Math.b2Math,
-      b2Sweep = Box2D.Common.Math.b2Sweep,
-      b2Transform = Box2D.Common.Math.b2Transform,
-      b2Vec2 = Box2D.Common.Math.b2Vec2,
-      b2Vec3 = Box2D.Common.Math.b2Vec3,
-      b2AABB = Box2D.Collision.b2AABB,
-      b2Bound = Box2D.Collision.b2Bound,
-      b2BoundValues = Box2D.Collision.b2BoundValues,
-      b2Collision = Box2D.Collision.b2Collision,
-      b2ContactID = Box2D.Collision.b2ContactID,
-      b2ContactPoint = Box2D.Collision.b2ContactPoint,
-      b2Distance = Box2D.Collision.b2Distance,
-      b2DistanceInput = Box2D.Collision.b2DistanceInput,
-      b2DistanceOutput = Box2D.Collision.b2DistanceOutput,
-      b2DistanceProxy = Box2D.Collision.b2DistanceProxy,
-      b2DynamicTree = Box2D.Collision.b2DynamicTree,
-      b2DynamicTreeBroadPhase = Box2D.Collision.b2DynamicTreeBroadPhase,
-      b2DynamicTreeNode = Box2D.Collision.b2DynamicTreeNode,
-      b2DynamicTreePair = Box2D.Collision.b2DynamicTreePair,
-      b2Manifold = Box2D.Collision.b2Manifold,
-      b2ManifoldPoint = Box2D.Collision.b2ManifoldPoint,
-      b2Point = Box2D.Collision.b2Point,
-      b2RayCastInput = Box2D.Collision.b2RayCastInput,
-      b2RayCastOutput = Box2D.Collision.b2RayCastOutput,
-      b2Segment = Box2D.Collision.b2Segment,
-      b2SeparationFunction = Box2D.Collision.b2SeparationFunction,
-      b2Simplex = Box2D.Collision.b2Simplex,
-      b2SimplexCache = Box2D.Collision.b2SimplexCache,
-      b2SimplexVertex = Box2D.Collision.b2SimplexVertex,
-      b2TimeOfImpact = Box2D.Collision.b2TimeOfImpact,
-      b2TOIInput = Box2D.Collision.b2TOIInput,
-      b2WorldManifold = Box2D.Collision.b2WorldManifold,
-      ClipVertex = Box2D.Collision.ClipVertex,
-      Features = Box2D.Collision.Features,
-      IBroadPhase = Box2D.Collision.IBroadPhase;
-
-   b2AABB.b2AABB = function () {
-      this.lowerBound = new b2Vec2();
-      this.upperBound = new b2Vec2();
-   };
-   b2AABB.prototype.IsValid = function () {
-      var dX = this.upperBound.x - this.lowerBound.x;
-      var dY = this.upperBound.y - this.lowerBound.y;
-      var valid = dX >= 0.0 && dY >= 0.0;
-      valid = valid && this.lowerBound.IsValid() && this.upperBound.IsValid();
-      return valid;
-   }
-   b2AABB.prototype.GetCenter = function () {
-      return new b2Vec2((this.lowerBound.x + this.upperBound.x) / 2, (this.lowerBound.y + this.upperBound.y) / 2);
-   }
-   b2AABB.prototype.GetExtents = function () {
-      return new b2Vec2((this.upperBound.x - this.lowerBound.x) / 2, (this.upperBound.y - this.lowerBound.y) / 2);
-   }
-   b2AABB.prototype.Contains = function (aabb) {
-      var result = true;
-      result = result && this.lowerBound.x <= aabb.lowerBound.x;
-      result = result && this.lowerBound.y <= aabb.lowerBound.y;
-      result = result && aabb.upperBound.x <= this.upperBound.x;
-      result = result && aabb.upperBound.y <= this.upperBound.y;
-      return result;
-   }
-   b2AABB.prototype.RayCast = function (output, input) {
-      var tmin = (-Number.MAX_VALUE);
-      var tmax = Number.MAX_VALUE;
-      var pX = input.p1.x;
-      var pY = input.p1.y;
-      var dX = input.p2.x - input.p1.x;
-      var dY = input.p2.y - input.p1.y;
-      var absDX = Math.abs(dX);
-      var absDY = Math.abs(dY);
-      var normal = output.normal;
-      var inv_d = 0;
-      var t1 = 0;
-      var t2 = 0;
-      var t3 = 0;
-      var s = 0; {
-         if (absDX < Number.MIN_VALUE) {
-            if (pX < this.lowerBound.x || this.upperBound.x < pX) return false;
-         }
-         else {
-            inv_d = 1.0 / dX;
-            t1 = (this.lowerBound.x - pX) * inv_d;
-            t2 = (this.upperBound.x - pX) * inv_d;
-            s = (-1.0);
-            if (t1 > t2) {
-               t3 = t1;
-               t1 = t2;
-               t2 = t3;
-               s = 1.0;
-            }
-            if (t1 > tmin) {
-               normal.x = s;
-               normal.y = 0;
-               tmin = t1;
-            }
-            tmax = Math.min(tmax, t2);
-            if (tmin > tmax) return false;
-         }
-      } {
-         if (absDY < Number.MIN_VALUE) {
-            if (pY < this.lowerBound.y || this.upperBound.y < pY) return false;
-         }
-         else {
-            inv_d = 1.0 / dY;
-            t1 = (this.lowerBound.y - pY) * inv_d;
-            t2 = (this.upperBound.y - pY) * inv_d;
-            s = (-1.0);
-            if (t1 > t2) {
-               t3 = t1;
-               t1 = t2;
-               t2 = t3;
-               s = 1.0;
-            }
-            if (t1 > tmin) {
-               normal.y = s;
-               normal.x = 0;
-               tmin = t1;
-            }
-            tmax = Math.min(tmax, t2);
-            if (tmin > tmax) return false;
-         }
-      }
-      output.fraction = tmin;
-      return true;
-   }
-   b2AABB.prototype.TestOverlap = function (other) {
-      var d1X = other.lowerBound.x - this.upperBound.x;
-      var d1Y = other.lowerBound.y - this.upperBound.y;
-      var d2X = this.lowerBound.x - other.upperBound.x;
-      var d2Y = this.lowerBound.y - other.upperBound.y;
-      if (d1X > 0.0 || d1Y > 0.0) return false;
-      if (d2X > 0.0 || d2Y > 0.0) return false;
-      return true;
-   }
-   b2AABB.Combine = function (aabb1, aabb2) {
-      var aabb = new b2AABB();
-      aabb.Combine(aabb1, aabb2);
-      return aabb;
-   }
-   b2AABB.prototype.Combine = function (aabb1, aabb2) {
-      this.lowerBound.x = Math.min(aabb1.lowerBound.x, aabb2.lowerBound.x);
-      this.lowerBound.y = Math.min(aabb1.lowerBound.y, aabb2.lowerBound.y);
-      this.upperBound.x = Math.max(aabb1.upperBound.x, aabb2.upperBound.x);
-      this.upperBound.y = Math.max(aabb1.upperBound.y, aabb2.upperBound.y);
-   }
-   b2Bound.b2Bound = function () {};
-   b2Bound.prototype.IsLower = function () {
-      return (this.value & 1) == 0;
-   }
-   b2Bound.prototype.IsUpper = function () {
-      return (this.value & 1) == 1;
-   }
-   b2Bound.prototype.Swap = function (b) {
-      var tempValue = this.value;
-      var tempProxy = this.proxy;
-      var tempStabbingCount = this.stabbingCount;
-      this.value = b.value;
-      this.proxy = b.proxy;
-      this.stabbingCount = b.stabbingCount;
-      b.value = tempValue;
-      b.proxy = tempProxy;
-      b.stabbingCount = tempStabbingCount;
-   }
-   b2BoundValues.b2BoundValues = function () {};
-   b2BoundValues.prototype.b2BoundValues = function () {
-      this.lowerValues = new Vector_a2j_Number();
-      this.lowerValues[0] = 0.0;
-      this.lowerValues[1] = 0.0;
-      this.upperValues = new Vector_a2j_Number();
-      this.upperValues[0] = 0.0;
-      this.upperValues[1] = 0.0;
-   }
-   b2Collision.b2Collision = function () {};
-   b2Collision.ClipSegmentToLine = function (vOut, vIn, normal, offset) {
-      if (offset === undefined) offset = 0;
-      var cv;
-      var numOut = 0;
-      cv = vIn[0];
-      var vIn0 = cv.v;
-      cv = vIn[1];
-      var vIn1 = cv.v;
-      var distance0 = normal.x * vIn0.x + normal.y * vIn0.y - offset;
-      var distance1 = normal.x * vIn1.x + normal.y * vIn1.y - offset;
-      if (distance0 <= 0.0) vOut[numOut++].Set(vIn[0]);
-      if (distance1 <= 0.0) vOut[numOut++].Set(vIn[1]);
-      if (distance0 * distance1 < 0.0) {
-         var interp = distance0 / (distance0 - distance1);
-         cv = vOut[numOut];
-         var tVec = cv.v;
-         tVec.x = vIn0.x + interp * (vIn1.x - vIn0.x);
-         tVec.y = vIn0.y + interp * (vIn1.y - vIn0.y);
-         cv = vOut[numOut];
-         var cv2;
-         if (distance0 > 0.0) {
-            cv2 = vIn[0];
-            cv.id = cv2.id;
-         }
-         else {
-            cv2 = vIn[1];
-            cv.id = cv2.id;
-         }++numOut;
-      }
-      return numOut;
-   }
-   b2Collision.EdgeSeparation = function (poly1, xf1, edge1, poly2, xf2) {
-      if (edge1 === undefined) edge1 = 0;
-      var count1 = parseInt(poly1.m_vertexCount);
-      var vertices1 = poly1.m_vertices;
-      var normals1 = poly1.m_normals;
-      var count2 = parseInt(poly2.m_vertexCount);
-      var vertices2 = poly2.m_vertices;
-      var tMat;
-      var tVec;
-      tMat = xf1.R;
-      tVec = normals1[edge1];
-      var normal1WorldX = (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-      var normal1WorldY = (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-      tMat = xf2.R;
-      var normal1X = (tMat.col1.x * normal1WorldX + tMat.col1.y * normal1WorldY);
-      var normal1Y = (tMat.col2.x * normal1WorldX + tMat.col2.y * normal1WorldY);
-      var index = 0;
-      var minDot = Number.MAX_VALUE;
-      for (var i = 0; i < count2; ++i) {
-         tVec = vertices2[i];
-         var dot = tVec.x * normal1X + tVec.y * normal1Y;
-         if (dot < minDot) {
-            minDot = dot;
-            index = i;
-         }
-      }
-      tVec = vertices1[edge1];
-      tMat = xf1.R;
-      var v1X = xf1.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-      var v1Y = xf1.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-      tVec = vertices2[index];
-      tMat = xf2.R;
-      var v2X = xf2.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-      var v2Y = xf2.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-      v2X -= v1X;
-      v2Y -= v1Y;
-      var separation = v2X * normal1WorldX + v2Y * normal1WorldY;
-      return separation;
-   }
-   b2Collision.FindMaxSeparation = function (edgeIndex, poly1, xf1, poly2, xf2) {
-      var count1 = parseInt(poly1.m_vertexCount);
-      var normals1 = poly1.m_normals;
-      var tVec;
-      var tMat;
-      tMat = xf2.R;
-      tVec = poly2.m_centroid;
-      var dX = xf2.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-      var dY = xf2.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-      tMat = xf1.R;
-      tVec = poly1.m_centroid;
-      dX -= xf1.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-      dY -= xf1.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-      var dLocal1X = (dX * xf1.R.col1.x + dY * xf1.R.col1.y);
-      var dLocal1Y = (dX * xf1.R.col2.x + dY * xf1.R.col2.y);
-      var edge = 0;
-      var maxDot = (-Number.MAX_VALUE);
-      for (var i = 0; i < count1; ++i) {
-         tVec = normals1[i];
-         var dot = (tVec.x * dLocal1X + tVec.y * dLocal1Y);
-         if (dot > maxDot) {
-            maxDot = dot;
-            edge = i;
-         }
-      }
-      var s = b2Collision.EdgeSeparation(poly1, xf1, edge, poly2, xf2);
-      var prevEdge = parseInt(edge - 1 >= 0 ? edge - 1 : count1 - 1);
-      var sPrev = b2Collision.EdgeSeparation(poly1, xf1, prevEdge, poly2, xf2);
-      var nextEdge = parseInt(edge + 1 < count1 ? edge + 1 : 0);
-      var sNext = b2Collision.EdgeSeparation(poly1, xf1, nextEdge, poly2, xf2);
-      var bestEdge = 0;
-      var bestSeparation = 0;
-      var increment = 0;
-      if (sPrev > s && sPrev > sNext) {
-         increment = (-1);
-         bestEdge = prevEdge;
-         bestSeparation = sPrev;
-      }
-      else if (sNext > s) {
-         increment = 1;
-         bestEdge = nextEdge;
-         bestSeparation = sNext;
-      }
-      else {
-         edgeIndex[0] = edge;
-         return s;
-      }
-      while (true) {
-         if (increment == (-1)) edge = bestEdge - 1 >= 0 ? bestEdge - 1 : count1 - 1;
-         else edge = bestEdge + 1 < count1 ? bestEdge + 1 : 0;s = b2Collision.EdgeSeparation(poly1, xf1, edge, poly2, xf2);
-         if (s > bestSeparation) {
-            bestEdge = edge;
-            bestSeparation = s;
-         }
-         else {
-            break;
-         }
-      }
-      edgeIndex[0] = bestEdge;
-      return bestSeparation;
-   }
-   b2Collision.FindIncidentEdge = function (c, poly1, xf1, edge1, poly2, xf2) {
-      if (edge1 === undefined) edge1 = 0;
-      var count1 = parseInt(poly1.m_vertexCount);
-      var normals1 = poly1.m_normals;
-      var count2 = parseInt(poly2.m_vertexCount);
-      var vertices2 = poly2.m_vertices;
-      var normals2 = poly2.m_normals;
-      var tMat;
-      var tVec;
-      tMat = xf1.R;
-      tVec = normals1[edge1];
-      var normal1X = (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-      var normal1Y = (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-      tMat = xf2.R;
-      var tX = (tMat.col1.x * normal1X + tMat.col1.y * normal1Y);
-      normal1Y = (tMat.col2.x * normal1X + tMat.col2.y * normal1Y);
-      normal1X = tX;
-      var index = 0;
-      var minDot = Number.MAX_VALUE;
-      for (var i = 0; i < count2; ++i) {
-         tVec = normals2[i];
-         var dot = (normal1X * tVec.x + normal1Y * tVec.y);
-         if (dot < minDot) {
-            minDot = dot;
-            index = i;
-         }
-      }
-      var tClip;
-      var i1 = parseInt(index);
-      var i2 = parseInt(i1 + 1 < count2 ? i1 + 1 : 0);
-      tClip = c[0];
-      tVec = vertices2[i1];
-      tMat = xf2.R;
-      tClip.v.x = xf2.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-      tClip.v.y = xf2.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-      tClip.id.features.referenceEdge = edge1;
-      tClip.id.features.incidentEdge = i1;
-      tClip.id.features.incidentVertex = 0;
-      tClip = c[1];
-      tVec = vertices2[i2];
-      tMat = xf2.R;
-      tClip.v.x = xf2.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-      tClip.v.y = xf2.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-      tClip.id.features.referenceEdge = edge1;
-      tClip.id.features.incidentEdge = i2;
-      tClip.id.features.incidentVertex = 1;
-   }
-   b2Collision.MakeClipPointVector = function () {
-      var r = new Vector(2);
-      r[0] = new ClipVertex();
-      r[1] = new ClipVertex();
-      return r;
-   }
-   b2Collision.CollidePolygons = function (manifold, polyA, xfA, polyB, xfB) {
-      var cv;
-      manifold.m_pointCount = 0;
-      var totalRadius = polyA.m_radius + polyB.m_radius;
-      var edgeA = 0;
-      b2Collision.s_edgeAO[0] = edgeA;
-      var separationA = b2Collision.FindMaxSeparation(b2Collision.s_edgeAO, polyA, xfA, polyB, xfB);
-      edgeA = b2Collision.s_edgeAO[0];
-      if (separationA > totalRadius) return;
-      var edgeB = 0;
-      b2Collision.s_edgeBO[0] = edgeB;
-      var separationB = b2Collision.FindMaxSeparation(b2Collision.s_edgeBO, polyB, xfB, polyA, xfA);
-      edgeB = b2Collision.s_edgeBO[0];
-      if (separationB > totalRadius) return;
-      var poly1;
-      var poly2;
-      var xf1;
-      var xf2;
-      var edge1 = 0;
-      var flip = 0;
-      var k_relativeTol = 0.98;
-      var k_absoluteTol = 0.001;
-      var tMat;
-      if (separationB > k_relativeTol * separationA + k_absoluteTol) {
-         poly1 = polyB;
-         poly2 = polyA;
-         xf1 = xfB;
-         xf2 = xfA;
-         edge1 = edgeB;
-         manifold.m_type = b2Manifold.e_faceB;
-         flip = 1;
-      }
-      else {
-         poly1 = polyA;
-         poly2 = polyB;
-         xf1 = xfA;
-         xf2 = xfB;
-         edge1 = edgeA;
-         manifold.m_type = b2Manifold.e_faceA;
-         flip = 0;
-      }
-      var incidentEdge = b2Collision.s_incidentEdge;
-      b2Collision.FindIncidentEdge(incidentEdge, poly1, xf1, edge1, poly2, xf2);
-      var count1 = parseInt(poly1.m_vertexCount);
-      var vertices1 = poly1.m_vertices;
-      var local_v11 = vertices1[edge1];
-      var local_v12;
-      if (edge1 + 1 < count1) {
-         local_v12 = vertices1[parseInt(edge1 + 1)];
-      }
-      else {
-         local_v12 = vertices1[0];
-      }
-      var localTangent = b2Collision.s_localTangent;
-      localTangent.Set(local_v12.x - local_v11.x, local_v12.y - local_v11.y);
-      localTangent.Normalize();
-      var localNormal = b2Collision.s_localNormal;
-      localNormal.x = localTangent.y;
-      localNormal.y = (-localTangent.x);
-      var planePoint = b2Collision.s_planePoint;
-      planePoint.Set(0.5 * (local_v11.x + local_v12.x), 0.5 * (local_v11.y + local_v12.y));
-      var tangent = b2Collision.s_tangent;
-      tMat = xf1.R;
-      tangent.x = (tMat.col1.x * localTangent.x + tMat.col2.x * localTangent.y);
-      tangent.y = (tMat.col1.y * localTangent.x + tMat.col2.y * localTangent.y);
-      var tangent2 = b2Collision.s_tangent2;
-      tangent2.x = (-tangent.x);
-      tangent2.y = (-tangent.y);
-      var normal = b2Collision.s_normal;
-      normal.x = tangent.y;
-      normal.y = (-tangent.x);
-      var v11 = b2Collision.s_v11;
-      var v12 = b2Collision.s_v12;
-      v11.x = xf1.position.x + (tMat.col1.x * local_v11.x + tMat.col2.x * local_v11.y);
-      v11.y = xf1.position.y + (tMat.col1.y * local_v11.x + tMat.col2.y * local_v11.y);
-      v12.x = xf1.position.x + (tMat.col1.x * local_v12.x + tMat.col2.x * local_v12.y);
-      v12.y = xf1.position.y + (tMat.col1.y * local_v12.x + tMat.col2.y * local_v12.y);
-      var frontOffset = normal.x * v11.x + normal.y * v11.y;
-      var sideOffset1 = (-tangent.x * v11.x) - tangent.y * v11.y + totalRadius;
-      var sideOffset2 = tangent.x * v12.x + tangent.y * v12.y + totalRadius;
-      var clipPoints1 = b2Collision.s_clipPoints1;
-      var clipPoints2 = b2Collision.s_clipPoints2;
-      var np = 0;
-      np = b2Collision.ClipSegmentToLine(clipPoints1, incidentEdge, tangent2, sideOffset1);
-      if (np < 2) return;
-      np = b2Collision.ClipSegmentToLine(clipPoints2, clipPoints1, tangent, sideOffset2);
-      if (np < 2) return;
-      manifold.m_localPlaneNormal.SetV(localNormal);
-      manifold.m_localPoint.SetV(planePoint);
-      var pointCount = 0;
-      for (var i = 0; i < b2Settings.b2_maxManifoldPoints; ++i) {
-         cv = clipPoints2[i];
-         var separation = normal.x * cv.v.x + normal.y * cv.v.y - frontOffset;
-         if (separation <= totalRadius) {
-            var cp = manifold.m_points[pointCount];
-            tMat = xf2.R;
-            var tX = cv.v.x - xf2.position.x;
-            var tY = cv.v.y - xf2.position.y;
-            cp.m_localPoint.x = (tX * tMat.col1.x + tY * tMat.col1.y);
-            cp.m_localPoint.y = (tX * tMat.col2.x + tY * tMat.col2.y);
-            cp.m_id.Set(cv.id);
-            cp.m_id.features.flip = flip;
-            ++pointCount;
-         }
-      }
-      manifold.m_pointCount = pointCount;
-   }
-   b2Collision.CollideCircles = function (manifold, circle1, xf1, circle2, xf2) {
-      manifold.m_pointCount = 0;
-      var tMat;
-      var tVec;
-      tMat = xf1.R;
-      tVec = circle1.m_p;
-      var p1X = xf1.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-      var p1Y = xf1.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-      tMat = xf2.R;
-      tVec = circle2.m_p;
-      var p2X = xf2.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-      var p2Y = xf2.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-      var dX = p2X - p1X;
-      var dY = p2Y - p1Y;
-      var distSqr = dX * dX + dY * dY;
-      var radius = circle1.m_radius + circle2.m_radius;
-      if (distSqr > radius * radius) {
-         return;
-      }
-      manifold.m_type = b2Manifold.e_circles;
-      manifold.m_localPoint.SetV(circle1.m_p);
-      manifold.m_localPlaneNormal.SetZero();
-      manifold.m_pointCount = 1;
-      manifold.m_points[0].m_localPoint.SetV(circle2.m_p);
-      manifold.m_points[0].m_id.key = 0;
-   }
-   b2Collision.CollidePolygonAndCircle = function (manifold, polygon, xf1, circle, xf2) {
-      manifold.m_pointCount = 0;
-      var tPoint;
-      var dX = 0;
-      var dY = 0;
-      var positionX = 0;
-      var positionY = 0;
-      var tVec;
-      var tMat;
-      tMat = xf2.R;
-      tVec = circle.m_p;
-      var cX = xf2.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-      var cY = xf2.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-      dX = cX - xf1.position.x;
-      dY = cY - xf1.position.y;
-      tMat = xf1.R;
-      var cLocalX = (dX * tMat.col1.x + dY * tMat.col1.y);
-      var cLocalY = (dX * tMat.col2.x + dY * tMat.col2.y);
-      var dist = 0;
-      var normalIndex = 0;
-      var separation = (-Number.MAX_VALUE);
-      var radius = polygon.m_radius + circle.m_radius;
-      var vertexCount = parseInt(polygon.m_vertexCount);
-      var vertices = polygon.m_vertices;
-      var normals = polygon.m_normals;
-      for (var i = 0; i < vertexCount; ++i) {
-         tVec = vertices[i];
-         dX = cLocalX - tVec.x;
-         dY = cLocalY - tVec.y;
-         tVec = normals[i];
-         var s = tVec.x * dX + tVec.y * dY;
-         if (s > radius) {
-            return;
-         }
-         if (s > separation) {
-            separation = s;
-            normalIndex = i;
-         }
-      }
-      var vertIndex1 = parseInt(normalIndex);
-      var vertIndex2 = parseInt(vertIndex1 + 1 < vertexCount ? vertIndex1 + 1 : 0);
-      var v1 = vertices[vertIndex1];
-      var v2 = vertices[vertIndex2];
-      if (separation < Number.MIN_VALUE) {
-         manifold.m_pointCount = 1;
-         manifold.m_type = b2Manifold.e_faceA;
-         manifold.m_localPlaneNormal.SetV(normals[normalIndex]);
-         manifold.m_localPoint.x = 0.5 * (v1.x + v2.x);
-         manifold.m_localPoint.y = 0.5 * (v1.y + v2.y);
-         manifold.m_points[0].m_localPoint.SetV(circle.m_p);
-         manifold.m_points[0].m_id.key = 0;
-         return;
-      }
-      var u1 = (cLocalX - v1.x) * (v2.x - v1.x) + (cLocalY - v1.y) * (v2.y - v1.y);
-      var u2 = (cLocalX - v2.x) * (v1.x - v2.x) + (cLocalY - v2.y) * (v1.y - v2.y);
-      if (u1 <= 0.0) {
-         if ((cLocalX - v1.x) * (cLocalX - v1.x) + (cLocalY - v1.y) * (cLocalY - v1.y) > radius * radius) return;
-         manifold.m_pointCount = 1;
-         manifold.m_type = b2Manifold.e_faceA;
-         manifold.m_localPlaneNormal.x = cLocalX - v1.x;
-         manifold.m_localPlaneNormal.y = cLocalY - v1.y;
-         manifold.m_localPlaneNormal.Normalize();
-         manifold.m_localPoint.SetV(v1);
-         manifold.m_points[0].m_localPoint.SetV(circle.m_p);
-         manifold.m_points[0].m_id.key = 0;
-      }
-      else if (u2 <= 0) {
-         if ((cLocalX - v2.x) * (cLocalX - v2.x) + (cLocalY - v2.y) * (cLocalY - v2.y) > radius * radius) return;
-         manifold.m_pointCount = 1;
-         manifold.m_type = b2Manifold.e_faceA;
-         manifold.m_localPlaneNormal.x = cLocalX - v2.x;
-         manifold.m_localPlaneNormal.y = cLocalY - v2.y;
-         manifold.m_localPlaneNormal.Normalize();
-         manifold.m_localPoint.SetV(v2);
-         manifold.m_points[0].m_localPoint.SetV(circle.m_p);
-         manifold.m_points[0].m_id.key = 0;
-      }
-      else {
-         var faceCenterX = 0.5 * (v1.x + v2.x);
-         var faceCenterY = 0.5 * (v1.y + v2.y);
-         separation = (cLocalX - faceCenterX) * normals[vertIndex1].x + (cLocalY - faceCenterY) * normals[vertIndex1].y;
-         if (separation > radius) return;
-         manifold.m_pointCount = 1;
-         manifold.m_type = b2Manifold.e_faceA;
-         manifold.m_localPlaneNormal.x = normals[vertIndex1].x;
-         manifold.m_localPlaneNormal.y = normals[vertIndex1].y;
-         manifold.m_localPlaneNormal.Normalize();
-         manifold.m_localPoint.Set(faceCenterX, faceCenterY);
-         manifold.m_points[0].m_localPoint.SetV(circle.m_p);
-         manifold.m_points[0].m_id.key = 0;
-      }
-   }
-   b2Collision.TestOverlap = function (a, b) {
-      var t1 = b.lowerBound;
-      var t2 = a.upperBound;
-      var d1X = t1.x - t2.x;
-      var d1Y = t1.y - t2.y;
-      t1 = a.lowerBound;
-      t2 = b.upperBound;
-      var d2X = t1.x - t2.x;
-      var d2Y = t1.y - t2.y;
-      if (d1X > 0.0 || d1Y > 0.0) return false;
-      if (d2X > 0.0 || d2Y > 0.0) return false;
-      return true;
-   }
-   Box2D.postDefs.push(function () {
-      Box2D.Collision.b2Collision.s_incidentEdge = b2Collision.MakeClipPointVector();
-      Box2D.Collision.b2Collision.s_clipPoints1 = b2Collision.MakeClipPointVector();
-      Box2D.Collision.b2Collision.s_clipPoints2 = b2Collision.MakeClipPointVector();
-      Box2D.Collision.b2Collision.s_edgeAO = new Vector_a2j_Number(1);
-      Box2D.Collision.b2Collision.s_edgeBO = new Vector_a2j_Number(1);
-      Box2D.Collision.b2Collision.s_localTangent = new b2Vec2();
-      Box2D.Collision.b2Collision.s_localNormal = new b2Vec2();
-      Box2D.Collision.b2Collision.s_planePoint = new b2Vec2();
-      Box2D.Collision.b2Collision.s_normal = new b2Vec2();
-      Box2D.Collision.b2Collision.s_tangent = new b2Vec2();
-      Box2D.Collision.b2Collision.s_tangent2 = new b2Vec2();
-      Box2D.Collision.b2Collision.s_v11 = new b2Vec2();
-      Box2D.Collision.b2Collision.s_v12 = new b2Vec2();
-      Box2D.Collision.b2Collision.b2CollidePolyTempVec = new b2Vec2();
-      Box2D.Collision.b2Collision.b2_nullFeature = 0x000000ff;
-   });
-   b2ContactID.b2ContactID = function () {
-      this.features = new Features();
-   };
-   b2ContactID.prototype.b2ContactID = function () {
-      this.features._m_id = this;
-   }
-   b2ContactID.prototype.Set = function (id) {
-      this.key = id._key;
-   }
-   b2ContactID.prototype.Copy = function () {
-      var id = new b2ContactID();
-      id.key = this.key;
-      return id;
-   }
-   Object.defineProperty(b2ContactID.prototype, 'key', {
-      enumerable: false,
-      configurable: true,
-      get: function () {
-         return this._key;
-      }
-   });
-   Object.defineProperty(b2ContactID.prototype, 'key', {
-      enumerable: false,
-      configurable: true,
-      set: function (value) {
-         if (value === undefined) value = 0;
-         this._key = value;
-         this.features._referenceEdge = this._key & 0x000000ff;
-         this.features._incidentEdge = ((this._key & 0x0000ff00) >> 8) & 0x000000ff;
-         this.features._incidentVertex = ((this._key & 0x00ff0000) >> 16) & 0x000000ff;
-         this.features._flip = ((this._key & 0xff000000) >> 24) & 0x000000ff;
-      }
-   });
-   b2ContactPoint.b2ContactPoint = function () {
-      this.position = new b2Vec2();
-      this.velocity = new b2Vec2();
-      this.normal = new b2Vec2();
-      this.id = new b2ContactID();
-   };
-   b2Distance.b2Distance = function () {};
-   b2Distance.Distance = function (output, cache, input) {
-      ++b2Distance.b2_gjkCalls;
-      var proxyA = input.proxyA;
-      var proxyB = input.proxyB;
-      var transformA = input.transformA;
-      var transformB = input.transformB;
-      var simplex = b2Distance.s_simplex;
-      simplex.ReadCache(cache, proxyA, transformA, proxyB, transformB);
-      var vertices = simplex.m_vertices;
-      var k_maxIters = 20;
-      var saveA = b2Distance.s_saveA;
-      var saveB = b2Distance.s_saveB;
-      var saveCount = 0;
-      var closestPoint = simplex.GetClosestPoint();
-      var distanceSqr1 = closestPoint.LengthSquared();
-      var distanceSqr2 = distanceSqr1;
-      var i = 0;
-      var p;
-      var iter = 0;
-      while (iter < k_maxIters) {
-         saveCount = simplex.m_count;
-         for (i = 0;
-         i < saveCount; i++) {
-            saveA[i] = vertices[i].indexA;
-            saveB[i] = vertices[i].indexB;
-         }
-         switch (simplex.m_count) {
-         case 1:
-            break;
-         case 2:
-            simplex.Solve2();
-            break;
-         case 3:
-            simplex.Solve3();
-            break;
-         default:
-            b2Settings.b2Assert(false);
-         }
-         if (simplex.m_count == 3) {
-            break;
-         }
-         p = simplex.GetClosestPoint();
-         distanceSqr2 = p.LengthSquared();
-         if (distanceSqr2 > distanceSqr1) {}
-         distanceSqr1 = distanceSqr2;
-         var d = simplex.GetSearchDirection();
-         if (d.LengthSquared() < Number.MIN_VALUE * Number.MIN_VALUE) {
-            break;
-         }
-         var vertex = vertices[simplex.m_count];
-         vertex.indexA = proxyA.GetSupport(b2Math.MulTMV(transformA.R, d.GetNegative()));
-         vertex.wA = b2Math.MulX(transformA, proxyA.GetVertex(vertex.indexA));
-         vertex.indexB = proxyB.GetSupport(b2Math.MulTMV(transformB.R, d));
-         vertex.wB = b2Math.MulX(transformB, proxyB.GetVertex(vertex.indexB));
-         vertex.w = b2Math.SubtractVV(vertex.wB, vertex.wA);
-         ++iter;
-         ++b2Distance.b2_gjkIters;
-         var duplicate = false;
-         for (i = 0;
-         i < saveCount; i++) {
-            if (vertex.indexA == saveA[i] && vertex.indexB == saveB[i]) {
-               duplicate = true;
-               break;
-            }
-         }
-         if (duplicate) {
-            break;
-         }++simplex.m_count;
-      }
-      b2Distance.b2_gjkMaxIters = b2Math.Max(b2Distance.b2_gjkMaxIters, iter);
-      simplex.GetWitnessPoints(output.pointA, output.pointB);
-      output.distance = b2Math.SubtractVV(output.pointA, output.pointB).Length();
-      output.iterations = iter;
-      simplex.WriteCache(cache);
-      if (input.useRadii) {
-         var rA = proxyA.m_radius;
-         var rB = proxyB.m_radius;
-         if (output.distance > rA + rB && output.distance > Number.MIN_VALUE) {
-            output.distance -= rA + rB;
-            var normal = b2Math.SubtractVV(output.pointB, output.pointA);
-            normal.Normalize();
-            output.pointA.x += rA * normal.x;
-            output.pointA.y += rA * normal.y;
-            output.pointB.x -= rB * normal.x;
-            output.pointB.y -= rB * normal.y;
-         }
-         else {
-            p = new b2Vec2();
-            p.x = .5 * (output.pointA.x + output.pointB.x);
-            p.y = .5 * (output.pointA.y + output.pointB.y);
-            output.pointA.x = output.pointB.x = p.x;
-            output.pointA.y = output.pointB.y = p.y;
-            output.distance = 0.0;
-         }
-      }
-   }
-   Box2D.postDefs.push(function () {
-      Box2D.Collision.b2Distance.s_simplex = new b2Simplex();
-      Box2D.Collision.b2Distance.s_saveA = new Vector_a2j_Number(3);
-      Box2D.Collision.b2Distance.s_saveB = new Vector_a2j_Number(3);
-   });
-   b2DistanceInput.b2DistanceInput = function () {};
-   b2DistanceOutput.b2DistanceOutput = function () {
-      this.pointA = new b2Vec2();
-      this.pointB = new b2Vec2();
-   };
-   b2DistanceProxy.b2DistanceProxy = function () {};
-   b2DistanceProxy.prototype.Set = function (shape) {
-      switch (shape.GetType()) {
-      case b2Shape.e_circleShape:
-         {
-            var circle = (shape instanceof b2CircleShape ? shape : null);
-            this.m_vertices = new Vector(1, true);
-            this.m_vertices[0] = circle.m_p;
-            this.m_count = 1;
-            this.m_radius = circle.m_radius;
-         }
-         break;
-      case b2Shape.e_polygonShape:
-         {
-            var polygon = (shape instanceof b2PolygonShape ? shape : null);
-            this.m_vertices = polygon.m_vertices;
-            this.m_count = polygon.m_vertexCount;
-            this.m_radius = polygon.m_radius;
-         }
-         break;
-      default:
-         b2Settings.b2Assert(false);
-      }
-   }
-   b2DistanceProxy.prototype.GetSupport = function (d) {
-      var bestIndex = 0;
-      var bestValue = this.m_vertices[0].x * d.x + this.m_vertices[0].y * d.y;
-      for (var i = 1; i < this.m_count; ++i) {
-         var value = this.m_vertices[i].x * d.x + this.m_vertices[i].y * d.y;
-         if (value > bestValue) {
-            bestIndex = i;
-            bestValue = value;
-         }
-      }
-      return bestIndex;
-   }
-   b2DistanceProxy.prototype.GetSupportVertex = function (d) {
-      var bestIndex = 0;
-      var bestValue = this.m_vertices[0].x * d.x + this.m_vertices[0].y * d.y;
-      for (var i = 1; i < this.m_count; ++i) {
-         var value = this.m_vertices[i].x * d.x + this.m_vertices[i].y * d.y;
-         if (value > bestValue) {
-            bestIndex = i;
-            bestValue = value;
-         }
-      }
-      return this.m_vertices[bestIndex];
-   }
-   b2DistanceProxy.prototype.GetVertexCount = function () {
-      return this.m_count;
-   }
-   b2DistanceProxy.prototype.GetVertex = function (index) {
-      if (index === undefined) index = 0;
-      b2Settings.b2Assert(0 <= index && index < this.m_count);
-      return this.m_vertices[index];
-   }
-   b2DynamicTree.b2DynamicTree = function () {};
-   b2DynamicTree.prototype.b2DynamicTree = function () {
-      this.m_root = null;
-      this.m_freeList = null;
-      this.m_path = 0;
-      this.m_insertionCount = 0;
-   }
-   b2DynamicTree.prototype.CreateProxy = function (aabb, userData) {
-      var node = this.AllocateNode();
-      var extendX = b2Settings.b2_aabbExtension;
-      var extendY = b2Settings.b2_aabbExtension;
-      node.aabb.lowerBound.x = aabb.lowerBound.x - extendX;
-      node.aabb.lowerBound.y = aabb.lowerBound.y - extendY;
-      node.aabb.upperBound.x = aabb.upperBound.x + extendX;
-      node.aabb.upperBound.y = aabb.upperBound.y + extendY;
-      node.userData = userData;
-      this.InsertLeaf(node);
-      return node;
-   }
-   b2DynamicTree.prototype.DestroyProxy = function (proxy) {
-      this.RemoveLeaf(proxy);
-      this.FreeNode(proxy);
-   }
-   b2DynamicTree.prototype.MoveProxy = function (proxy, aabb, displacement) {
-      b2Settings.b2Assert(proxy.IsLeaf());
-      if (proxy.aabb.Contains(aabb)) {
-         return false;
-      }
-      this.RemoveLeaf(proxy);
-      var extendX = b2Settings.b2_aabbExtension + b2Settings.b2_aabbMultiplier * (displacement.x > 0 ? displacement.x : (-displacement.x));
-      var extendY = b2Settings.b2_aabbExtension + b2Settings.b2_aabbMultiplier * (displacement.y > 0 ? displacement.y : (-displacement.y));
-      proxy.aabb.lowerBound.x = aabb.lowerBound.x - extendX;
-      proxy.aabb.lowerBound.y = aabb.lowerBound.y - extendY;
-      proxy.aabb.upperBound.x = aabb.upperBound.x + extendX;
-      proxy.aabb.upperBound.y = aabb.upperBound.y + extendY;
-      this.InsertLeaf(proxy);
-      return true;
-   }
-   b2DynamicTree.prototype.Rebalance = function (iterations) {
-      if (iterations === undefined) iterations = 0;
-      if (this.m_root == null) return;
-      for (var i = 0; i < iterations; i++) {
-         var node = this.m_root;
-         var bit = 0;
-         while (node.IsLeaf() == false) {
-            node = (this.m_path >> bit) & 1 ? node.child2 : node.child1;
-            bit = (bit + 1) & 31;
-         }++this.m_path;
-         this.RemoveLeaf(node);
-         this.InsertLeaf(node);
-      }
-   }
-   b2DynamicTree.prototype.GetFatAABB = function (proxy) {
-      return proxy.aabb;
-   }
-   b2DynamicTree.prototype.GetUserData = function (proxy) {
-      return proxy.userData;
-   }
-   b2DynamicTree.prototype.Query = function (callback, aabb) {
-      if (this.m_root == null) return;
-      var stack = new Vector();
-      var count = 0;
-      stack[count++] = this.m_root;
-      while (count > 0) {
-         var node = stack[--count];
-         if (node.aabb.TestOverlap(aabb)) {
-            if (node.IsLeaf()) {
-               var proceed = callback(node);
-               if (!proceed) return;
-            }
-            else {
-               stack[count++] = node.child1;
-               stack[count++] = node.child2;
-            }
-         }
-      }
-   }
-   b2DynamicTree.prototype.RayCast = function (callback, input) {
-      if (this.m_root == null) return;
-      var p1 = input.p1;
-      var p2 = input.p2;
-      var r = b2Math.SubtractVV(p1, p2);
-      r.Normalize();
-      var v = b2Math.CrossFV(1.0, r);
-      var abs_v = b2Math.AbsV(v);
-      var maxFraction = input.maxFraction;
-      var segmentAABB = new b2AABB();
-      var tX = 0;
-      var tY = 0; {
-         tX = p1.x + maxFraction * (p2.x - p1.x);
-         tY = p1.y + maxFraction * (p2.y - p1.y);
-         segmentAABB.lowerBound.x = Math.min(p1.x, tX);
-         segmentAABB.lowerBound.y = Math.min(p1.y, tY);
-         segmentAABB.upperBound.x = Math.max(p1.x, tX);
-         segmentAABB.upperBound.y = Math.max(p1.y, tY);
-      }
-      var stack = new Vector();
-      var count = 0;
-      stack[count++] = this.m_root;
-      while (count > 0) {
-         var node = stack[--count];
-         if (node.aabb.TestOverlap(segmentAABB) == false) {
-            continue;
-         }
-         var c = node.aabb.GetCenter();
-         var h = node.aabb.GetExtents();
-         var separation = Math.abs(v.x * (p1.x - c.x) + v.y * (p1.y - c.y)) - abs_v.x * h.x - abs_v.y * h.y;
-         if (separation > 0.0) continue;
-         if (node.IsLeaf()) {
-            var subInput = new b2RayCastInput();
-            subInput.p1 = input.p1;
-            subInput.p2 = input.p2;
-            subInput.maxFraction = input.maxFraction;
-            maxFraction = callback(subInput, node);
-            if (maxFraction == 0.0) return;
-            if (maxFraction > 0.0) {
-               tX = p1.x + maxFraction * (p2.x - p1.x);
-               tY = p1.y + maxFraction * (p2.y - p1.y);
-               segmentAABB.lowerBound.x = Math.min(p1.x, tX);
-               segmentAABB.lowerBound.y = Math.min(p1.y, tY);
-               segmentAABB.upperBound.x = Math.max(p1.x, tX);
-               segmentAABB.upperBound.y = Math.max(p1.y, tY);
-            }
-         }
-         else {
-            stack[count++] = node.child1;
-            stack[count++] = node.child2;
-         }
-      }
-   }
-   b2DynamicTree.prototype.AllocateNode = function () {
-      if (this.m_freeList) {
-         var node = this.m_freeList;
-         this.m_freeList = node.parent;
-         node.parent = null;
-         node.child1 = null;
-         node.child2 = null;
-         return node;
-      }
-      return new b2DynamicTreeNode();
-   }
-   b2DynamicTree.prototype.FreeNode = function (node) {
-      node.parent = this.m_freeList;
-      this.m_freeList = node;
-   }
-   b2DynamicTree.prototype.InsertLeaf = function (leaf) {
-      ++this.m_insertionCount;
-      if (this.m_root == null) {
-         this.m_root = leaf;
-         this.m_root.parent = null;
-         return;
-      }
-      var center = leaf.aabb.GetCenter();
-      var sibling = this.m_root;
-      if (sibling.IsLeaf() == false) {
-         do {
-            var child1 = sibling.child1;
-            var child2 = sibling.child2;
-            var norm1 = Math.abs((child1.aabb.lowerBound.x + child1.aabb.upperBound.x) / 2 - center.x) + Math.abs((child1.aabb.lowerBound.y + child1.aabb.upperBound.y) / 2 - center.y);
-            var norm2 = Math.abs((child2.aabb.lowerBound.x + child2.aabb.upperBound.x) / 2 - center.x) + Math.abs((child2.aabb.lowerBound.y + child2.aabb.upperBound.y) / 2 - center.y);
-            if (norm1 < norm2) {
-               sibling = child1;
-            }
-            else {
-               sibling = child2;
-            }
-         }
-         while (sibling.IsLeaf() == false)
-      }
-      var node1 = sibling.parent;
-      var node2 = this.AllocateNode();
-      node2.parent = node1;
-      node2.userData = null;
-      node2.aabb.Combine(leaf.aabb, sibling.aabb);
-      if (node1) {
-         if (sibling.parent.child1 == sibling) {
-            node1.child1 = node2;
-         }
-         else {
-            node1.child2 = node2;
-         }
-         node2.child1 = sibling;
-         node2.child2 = leaf;
-         sibling.parent = node2;
-         leaf.parent = node2;
-         do {
-            if (node1.aabb.Contains(node2.aabb)) break;
-            node1.aabb.Combine(node1.child1.aabb, node1.child2.aabb);
-            node2 = node1;
-            node1 = node1.parent;
-         }
-         while (node1)
-      }
-      else {
-         node2.child1 = sibling;
-         node2.child2 = leaf;
-         sibling.parent = node2;
-         leaf.parent = node2;
-         this.m_root = node2;
-      }
-   }
-   b2DynamicTree.prototype.RemoveLeaf = function (leaf) {
-      if (leaf == this.m_root) {
-         this.m_root = null;
-         return;
-      }
-      var node2 = leaf.parent;
-      var node1 = node2.parent;
-      var sibling;
-      if (node2.child1 == leaf) {
-         sibling = node2.child2;
-      }
-      else {
-         sibling = node2.child1;
-      }
-      if (node1) {
-         if (node1.child1 == node2) {
-            node1.child1 = sibling;
-         }
-         else {
-            node1.child2 = sibling;
-         }
-         sibling.parent = node1;
-         this.FreeNode(node2);
-         while (node1) {
-            var oldAABB = node1.aabb;
-            node1.aabb = b2AABB.Combine(node1.child1.aabb, node1.child2.aabb);
-            if (oldAABB.Contains(node1.aabb)) break;
-            node1 = node1.parent;
-         }
-      }
-      else {
-         this.m_root = sibling;
-         sibling.parent = null;
-         this.FreeNode(node2);
-      }
-   }
-   b2DynamicTreeBroadPhase.b2DynamicTreeBroadPhase = function () {
-      this.m_tree = new b2DynamicTree();
-      this.m_moveBuffer = new Vector();
-      this.m_pairBuffer = new Vector();
-      this.m_pairCount = 0;
-   };
-   b2DynamicTreeBroadPhase.prototype.CreateProxy = function (aabb, userData) {
-      var proxy = this.m_tree.CreateProxy(aabb, userData);
-      ++this.m_proxyCount;
-      this.BufferMove(proxy);
-      return proxy;
-   }
-   b2DynamicTreeBroadPhase.prototype.DestroyProxy = function (proxy) {
-      this.UnBufferMove(proxy);
-      --this.m_proxyCount;
-      this.m_tree.DestroyProxy(proxy);
-   }
-   b2DynamicTreeBroadPhase.prototype.MoveProxy = function (proxy, aabb, displacement) {
-      var buffer = this.m_tree.MoveProxy(proxy, aabb, displacement);
-      if (buffer) {
-         this.BufferMove(proxy);
-      }
-   }
-   b2DynamicTreeBroadPhase.prototype.TestOverlap = function (proxyA, proxyB) {
-      var aabbA = this.m_tree.GetFatAABB(proxyA);
-      var aabbB = this.m_tree.GetFatAABB(proxyB);
-      return aabbA.TestOverlap(aabbB);
-   }
-   b2DynamicTreeBroadPhase.prototype.GetUserData = function (proxy) {
-      return this.m_tree.GetUserData(proxy);
-   }
-   b2DynamicTreeBroadPhase.prototype.GetFatAABB = function (proxy) {
-      return this.m_tree.GetFatAABB(proxy);
-   }
-   b2DynamicTreeBroadPhase.prototype.GetProxyCount = function () {
-      return this.m_proxyCount;
-   }
-   b2DynamicTreeBroadPhase.prototype.UpdatePairs = function (callback) {
-      var __this = this;
-      __this.m_pairCount = 0;
-      var i = 0,
-         queryProxy;
-      for (i = 0;
-      i < __this.m_moveBuffer.length; ++i) {
-         queryProxy = __this.m_moveBuffer[i];
-
-         function QueryCallback(proxy) {
-            if (proxy == queryProxy) return true;
-            if (__this.m_pairCount == __this.m_pairBuffer.length) {
-               __this.m_pairBuffer[__this.m_pairCount] = new b2DynamicTreePair();
-            }
-            var pair = __this.m_pairBuffer[__this.m_pairCount];
-            pair.proxyA = proxy < queryProxy ? proxy : queryProxy;
-            pair.proxyB = proxy >= queryProxy ? proxy : queryProxy;++__this.m_pairCount;
-            return true;
-         };
-         var fatAABB = __this.m_tree.GetFatAABB(queryProxy);
-         __this.m_tree.Query(QueryCallback, fatAABB);
-      }
-      __this.m_moveBuffer.length = 0;
-      for (var i = 0; i < __this.m_pairCount;) {
-         var primaryPair = __this.m_pairBuffer[i];
-         var userDataA = __this.m_tree.GetUserData(primaryPair.proxyA);
-         var userDataB = __this.m_tree.GetUserData(primaryPair.proxyB);
-         callback(userDataA, userDataB);
-         ++i;
-         while (i < __this.m_pairCount) {
-            var pair = __this.m_pairBuffer[i];
-            if (pair.proxyA != primaryPair.proxyA || pair.proxyB != primaryPair.proxyB) {
-               break;
-            }++i;
-         }
-      }
-   }
-   b2DynamicTreeBroadPhase.prototype.Query = function (callback, aabb) {
-      this.m_tree.Query(callback, aabb);
-   }
-   b2DynamicTreeBroadPhase.prototype.RayCast = function (callback, input) {
-      this.m_tree.RayCast(callback, input);
-   }
-   b2DynamicTreeBroadPhase.prototype.Validate = function () {}
-   b2DynamicTreeBroadPhase.prototype.Rebalance = function (iterations) {
-      if (iterations === undefined) iterations = 0;
-      this.m_tree.Rebalance(iterations);
-   }
-   b2DynamicTreeBroadPhase.prototype.BufferMove = function (proxy) {
-      this.m_moveBuffer[this.m_moveBuffer.length] = proxy;
-   }
-   b2DynamicTreeBroadPhase.prototype.UnBufferMove = function (proxy) {
-      var i = parseInt(this.m_moveBuffer.indexOf(proxy));
-      this.m_moveBuffer.splice(i, 1);
-   }
-   b2DynamicTreeBroadPhase.prototype.ComparePairs = function (pair1, pair2) {
-      return 0;
-   }
-   b2DynamicTreeBroadPhase.__implements = {};
-   b2DynamicTreeBroadPhase.__implements[IBroadPhase] = true;
-   b2DynamicTreeNode.b2DynamicTreeNode = function () {
-      this.aabb = new b2AABB();
-   };
-   b2DynamicTreeNode.prototype.IsLeaf = function () {
-      return this.child1 == null;
-   }
-   b2DynamicTreePair.b2DynamicTreePair = function () {};
-   b2Manifold.b2Manifold = function () {
-      this.m_pointCount = 0;
-   };
-   b2Manifold.prototype.b2Manifold = function () {
-      this.m_points = new Vector(b2Settings.b2_maxManifoldPoints);
-      for (var i = 0; i < b2Settings.b2_maxManifoldPoints; i++) {
-         this.m_points[i] = new b2ManifoldPoint();
-      }
-      this.m_localPlaneNormal = new b2Vec2();
-      this.m_localPoint = new b2Vec2();
-   }
-   b2Manifold.prototype.Reset = function () {
-      for (var i = 0; i < b2Settings.b2_maxManifoldPoints; i++) {
-         ((this.m_points[i] instanceof b2ManifoldPoint ? this.m_points[i] : null)).Reset();
-      }
-      this.m_localPlaneNormal.SetZero();
-      this.m_localPoint.SetZero();
-      this.m_type = 0;
-      this.m_pointCount = 0;
-   }
-   b2Manifold.prototype.Set = function (m) {
-      this.m_pointCount = m.m_pointCount;
-      for (var i = 0; i < b2Settings.b2_maxManifoldPoints; i++) {
-         ((this.m_points[i] instanceof b2ManifoldPoint ? this.m_points[i] : null)).Set(m.m_points[i]);
-      }
-      this.m_localPlaneNormal.SetV(m.m_localPlaneNormal);
-      this.m_localPoint.SetV(m.m_localPoint);
-      this.m_type = m.m_type;
-   }
-   b2Manifold.prototype.Copy = function () {
-      var copy = new b2Manifold();
-      copy.Set(this);
-      return copy;
-   }
-   Box2D.postDefs.push(function () {
-      Box2D.Collision.b2Manifold.e_circles = 0x0001;
-      Box2D.Collision.b2Manifold.e_faceA = 0x0002;
-      Box2D.Collision.b2Manifold.e_faceB = 0x0004;
-   });
-   b2ManifoldPoint.b2ManifoldPoint = function () {
-      this.m_localPoint = new b2Vec2();
-      this.m_id = new b2ContactID();
-   };
-   b2ManifoldPoint.prototype.b2ManifoldPoint = function () {
-      this.Reset();
-   }
-   b2ManifoldPoint.prototype.Reset = function () {
-      this.m_localPoint.SetZero();
-      this.m_normalImpulse = 0.0;
-      this.m_tangentImpulse = 0.0;
-      this.m_id.key = 0;
-   }
-   b2ManifoldPoint.prototype.Set = function (m) {
-      this.m_localPoint.SetV(m.m_localPoint);
-      this.m_normalImpulse = m.m_normalImpulse;
-      this.m_tangentImpulse = m.m_tangentImpulse;
-      this.m_id.Set(m.m_id);
-   }
-   b2Point.b2Point = function () {
-      this.p = new b2Vec2();
-   };
-   b2Point.prototype.Support = function (xf, vX, vY) {
-      if (vX === undefined) vX = 0;
-      if (vY === undefined) vY = 0;
-      return this.p;
-   }
-   b2Point.prototype.GetFirstVertex = function (xf) {
-      return this.p;
-   }
-   b2RayCastInput.b2RayCastInput = function () {
-      this.p1 = new b2Vec2();
-      this.p2 = new b2Vec2();
-   };
-   b2RayCastInput.prototype.b2RayCastInput = function (p1, p2, maxFraction) {
-      if (p1 === undefined) p1 = null;
-      if (p2 === undefined) p2 = null;
-      if (maxFraction === undefined) maxFraction = 1;
-      if (p1) this.p1.SetV(p1);
-      if (p2) this.p2.SetV(p2);
-      this.maxFraction = maxFraction;
-   }
-   b2RayCastOutput.b2RayCastOutput = function () {
-      this.normal = new b2Vec2();
-   };
-   b2Segment.b2Segment = function () {
-      this.p1 = new b2Vec2();
-      this.p2 = new b2Vec2();
-   };
-   b2Segment.prototype.TestSegment = function (lambda, normal, segment, maxLambda) {
-      if (maxLambda === undefined) maxLambda = 0;
-      var s = segment.p1;
-      var rX = segment.p2.x - s.x;
-      var rY = segment.p2.y - s.y;
-      var dX = this.p2.x - this.p1.x;
-      var dY = this.p2.y - this.p1.y;
-      var nX = dY;
-      var nY = (-dX);
-      var k_slop = 100.0 * Number.MIN_VALUE;
-      var denom = (-(rX * nX + rY * nY));
-      if (denom > k_slop) {
-         var bX = s.x - this.p1.x;
-         var bY = s.y - this.p1.y;
-         var a = (bX * nX + bY * nY);
-         if (0.0 <= a && a <= maxLambda * denom) {
-            var mu2 = (-rX * bY) + rY * bX;
-            if ((-k_slop * denom) <= mu2 && mu2 <= denom * (1.0 + k_slop)) {
-               a /= denom;
-               var nLen = Math.sqrt(nX * nX + nY * nY);
-               nX /= nLen;
-               nY /= nLen;
-               lambda[0] = a;
-               normal.Set(nX, nY);
-               return true;
-            }
-         }
-      }
-      return false;
-   }
-   b2Segment.prototype.Extend = function (aabb) {
-      this.ExtendForward(aabb);
-      this.ExtendBackward(aabb);
-   }
-   b2Segment.prototype.ExtendForward = function (aabb) {
-      var dX = this.p2.x - this.p1.x;
-      var dY = this.p2.y - this.p1.y;
-      var lambda = Math.min(dX > 0 ? (aabb.upperBound.x - this.p1.x) / dX : dX < 0 ? (aabb.lowerBound.x - this.p1.x) / dX : Number.POSITIVE_INFINITY,
-      dY > 0 ? (aabb.upperBound.y - this.p1.y) / dY : dY < 0 ? (aabb.lowerBound.y - this.p1.y) / dY : Number.POSITIVE_INFINITY);
-      this.p2.x = this.p1.x + dX * lambda;
-      this.p2.y = this.p1.y + dY * lambda;
-   }
-   b2Segment.prototype.ExtendBackward = function (aabb) {
-      var dX = (-this.p2.x) + this.p1.x;
-      var dY = (-this.p2.y) + this.p1.y;
-      var lambda = Math.min(dX > 0 ? (aabb.upperBound.x - this.p2.x) / dX : dX < 0 ? (aabb.lowerBound.x - this.p2.x) / dX : Number.POSITIVE_INFINITY,
-      dY > 0 ? (aabb.upperBound.y - this.p2.y) / dY : dY < 0 ? (aabb.lowerBound.y - this.p2.y) / dY : Number.POSITIVE_INFINITY);
-      this.p1.x = this.p2.x + dX * lambda;
-      this.p1.y = this.p2.y + dY * lambda;
-   }
-   b2SeparationFunction.b2SeparationFunction = function () {
-      this.m_localPoint = new b2Vec2();
-      this.m_axis = new b2Vec2();
-   };
-   b2SeparationFunction.prototype.Initialize = function (cache, proxyA, transformA, proxyB, transformB) {
-      this.m_proxyA = proxyA;
-      this.m_proxyB = proxyB;
-      var count = parseInt(cache.count);
-      b2Settings.b2Assert(0 < count && count < 3);
-      var localPointA;
-      var localPointA1;
-      var localPointA2;
-      var localPointB;
-      var localPointB1;
-      var localPointB2;
-      var pointAX = 0;
-      var pointAY = 0;
-      var pointBX = 0;
-      var pointBY = 0;
-      var normalX = 0;
-      var normalY = 0;
-      var tMat;
-      var tVec;
-      var s = 0;
-      var sgn = 0;
-      if (count == 1) {
-         this.m_type = b2SeparationFunction.e_points;
-         localPointA = this.m_proxyA.GetVertex(cache.indexA[0]);
-         localPointB = this.m_proxyB.GetVertex(cache.indexB[0]);
-         tVec = localPointA;
-         tMat = transformA.R;
-         pointAX = transformA.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-         pointAY = transformA.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-         tVec = localPointB;
-         tMat = transformB.R;
-         pointBX = transformB.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-         pointBY = transformB.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-         this.m_axis.x = pointBX - pointAX;
-         this.m_axis.y = pointBY - pointAY;
-         this.m_axis.Normalize();
-      }
-      else if (cache.indexB[0] == cache.indexB[1]) {
-         this.m_type = b2SeparationFunction.e_faceA;
-         localPointA1 = this.m_proxyA.GetVertex(cache.indexA[0]);
-         localPointA2 = this.m_proxyA.GetVertex(cache.indexA[1]);
-         localPointB = this.m_proxyB.GetVertex(cache.indexB[0]);
-         this.m_localPoint.x = 0.5 * (localPointA1.x + localPointA2.x);
-         this.m_localPoint.y = 0.5 * (localPointA1.y + localPointA2.y);
-         this.m_axis = b2Math.CrossVF(b2Math.SubtractVV(localPointA2, localPointA1), 1.0);
-         this.m_axis.Normalize();
-         tVec = this.m_axis;
-         tMat = transformA.R;
-         normalX = tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
-         normalY = tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
-         tVec = this.m_localPoint;
-         tMat = transformA.R;
-         pointAX = transformA.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-         pointAY = transformA.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-         tVec = localPointB;
-         tMat = transformB.R;
-         pointBX = transformB.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-         pointBY = transformB.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-         s = (pointBX - pointAX) * normalX + (pointBY - pointAY) * normalY;
-         if (s < 0.0) {
-            this.m_axis.NegativeSelf();
-         }
-      }
-      else if (cache.indexA[0] == cache.indexA[0]) {
-         this.m_type = b2SeparationFunction.e_faceB;
-         localPointB1 = this.m_proxyB.GetVertex(cache.indexB[0]);
-         localPointB2 = this.m_proxyB.GetVertex(cache.indexB[1]);
-         localPointA = this.m_proxyA.GetVertex(cache.indexA[0]);
-         this.m_localPoint.x = 0.5 * (localPointB1.x + localPointB2.x);
-         this.m_localPoint.y = 0.5 * (localPointB1.y + localPointB2.y);
-         this.m_axis = b2Math.CrossVF(b2Math.SubtractVV(localPointB2, localPointB1), 1.0);
-         this.m_axis.Normalize();
-         tVec = this.m_axis;
-         tMat = transformB.R;
-         normalX = tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
-         normalY = tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
-         tVec = this.m_localPoint;
-         tMat = transformB.R;
-         pointBX = transformB.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-         pointBY = transformB.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-         tVec = localPointA;
-         tMat = transformA.R;
-         pointAX = transformA.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-         pointAY = transformA.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-         s = (pointAX - pointBX) * normalX + (pointAY - pointBY) * normalY;
-         if (s < 0.0) {
-            this.m_axis.NegativeSelf();
-         }
-      }
-      else {
-         localPointA1 = this.m_proxyA.GetVertex(cache.indexA[0]);
-         localPointA2 = this.m_proxyA.GetVertex(cache.indexA[1]);
-         localPointB1 = this.m_proxyB.GetVertex(cache.indexB[0]);
-         localPointB2 = this.m_proxyB.GetVertex(cache.indexB[1]);
-         var pA = b2Math.MulX(transformA, localPointA);
-         var dA = b2Math.MulMV(transformA.R, b2Math.SubtractVV(localPointA2, localPointA1));
-         var pB = b2Math.MulX(transformB, localPointB);
-         var dB = b2Math.MulMV(transformB.R, b2Math.SubtractVV(localPointB2, localPointB1));
-         var a = dA.x * dA.x + dA.y * dA.y;
-         var e = dB.x * dB.x + dB.y * dB.y;
-         var r = b2Math.SubtractVV(dB, dA);
-         var c = dA.x * r.x + dA.y * r.y;
-         var f = dB.x * r.x + dB.y * r.y;
-         var b = dA.x * dB.x + dA.y * dB.y;
-         var denom = a * e - b * b;
-         s = 0.0;
-         if (denom != 0.0) {
-            s = b2Math.Clamp((b * f - c * e) / denom, 0.0, 1.0);
-         }
-         var t = (b * s + f) / e;
-         if (t < 0.0) {
-            t = 0.0;
-            s = b2Math.Clamp((b - c) / a, 0.0, 1.0);
-         }
-         localPointA = new b2Vec2();
-         localPointA.x = localPointA1.x + s * (localPointA2.x - localPointA1.x);
-         localPointA.y = localPointA1.y + s * (localPointA2.y - localPointA1.y);
-         localPointB = new b2Vec2();
-         localPointB.x = localPointB1.x + s * (localPointB2.x - localPointB1.x);
-         localPointB.y = localPointB1.y + s * (localPointB2.y - localPointB1.y);
-         if (s == 0.0 || s == 1.0) {
-            this.m_type = b2SeparationFunction.e_faceB;
-            this.m_axis = b2Math.CrossVF(b2Math.SubtractVV(localPointB2, localPointB1), 1.0);
-            this.m_axis.Normalize();
-            this.m_localPoint = localPointB;
-            tVec = this.m_axis;
-            tMat = transformB.R;
-            normalX = tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
-            normalY = tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
-            tVec = this.m_localPoint;
-            tMat = transformB.R;
-            pointBX = transformB.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-            pointBY = transformB.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-            tVec = localPointA;
-            tMat = transformA.R;
-            pointAX = transformA.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-            pointAY = transformA.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-            sgn = (pointAX - pointBX) * normalX + (pointAY - pointBY) * normalY;
-            if (s < 0.0) {
-               this.m_axis.NegativeSelf();
-            }
-         }
-         else {
-            this.m_type = b2SeparationFunction.e_faceA;
-            this.m_axis = b2Math.CrossVF(b2Math.SubtractVV(localPointA2, localPointA1), 1.0);
-            this.m_localPoint = localPointA;
-            tVec = this.m_axis;
-            tMat = transformA.R;
-            normalX = tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
-            normalY = tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
-            tVec = this.m_localPoint;
-            tMat = transformA.R;
-            pointAX = transformA.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-            pointAY = transformA.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-            tVec = localPointB;
-            tMat = transformB.R;
-            pointBX = transformB.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-            pointBY = transformB.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-            sgn = (pointBX - pointAX) * normalX + (pointBY - pointAY) * normalY;
-            if (s < 0.0) {
-               this.m_axis.NegativeSelf();
-            }
-         }
-      }
-   }
-   b2SeparationFunction.prototype.Evaluate = function (transformA, transformB) {
-      var axisA;
-      var axisB;
-      var localPointA;
-      var localPointB;
-      var pointA;
-      var pointB;
-      var seperation = 0;
-      var normal;
-      switch (this.m_type) {
-      case b2SeparationFunction.e_points:
-         {
-            axisA = b2Math.MulTMV(transformA.R, this.m_axis);
-            axisB = b2Math.MulTMV(transformB.R, this.m_axis.GetNegative());
-            localPointA = this.m_proxyA.GetSupportVertex(axisA);
-            localPointB = this.m_proxyB.GetSupportVertex(axisB);
-            pointA = b2Math.MulX(transformA, localPointA);
-            pointB = b2Math.MulX(transformB, localPointB);
-            seperation = (pointB.x - pointA.x) * this.m_axis.x + (pointB.y - pointA.y) * this.m_axis.y;
-            return seperation;
-         }
-      case b2SeparationFunction.e_faceA:
-         {
-            normal = b2Math.MulMV(transformA.R, this.m_axis);
-            pointA = b2Math.MulX(transformA, this.m_localPoint);
-            axisB = b2Math.MulTMV(transformB.R, normal.GetNegative());
-            localPointB = this.m_proxyB.GetSupportVertex(axisB);
-            pointB = b2Math.MulX(transformB, localPointB);
-            seperation = (pointB.x - pointA.x) * normal.x + (pointB.y - pointA.y) * normal.y;
-            return seperation;
-         }
-      case b2SeparationFunction.e_faceB:
-         {
-            normal = b2Math.MulMV(transformB.R, this.m_axis);
-            pointB = b2Math.MulX(transformB, this.m_localPoint);
-            axisA = b2Math.MulTMV(transformA.R, normal.GetNegative());
-            localPointA = this.m_proxyA.GetSupportVertex(axisA);
-            pointA = b2Math.MulX(transformA, localPointA);
-            seperation = (pointA.x - pointB.x) * normal.x + (pointA.y - pointB.y) * normal.y;
-            return seperation;
-         }
-      default:
-         b2Settings.b2Assert(false);
-         return 0.0;
-      }
-   }
-   Box2D.postDefs.push(function () {
-      Box2D.Collision.b2SeparationFunction.e_points = 0x01;
-      Box2D.Collision.b2SeparationFunction.e_faceA = 0x02;
-      Box2D.Collision.b2SeparationFunction.e_faceB = 0x04;
-   });
-   b2Simplex.b2Simplex = function () {
-      this.m_v1 = new b2SimplexVertex();
-      this.m_v2 = new b2SimplexVertex();
-      this.m_v3 = new b2SimplexVertex();
-      this.m_vertices = new Vector(3);
-   };
-   b2Simplex.prototype.b2Simplex = function () {
-      this.m_vertices[0] = this.m_v1;
-      this.m_vertices[1] = this.m_v2;
-      this.m_vertices[2] = this.m_v3;
-   }
-   b2Simplex.prototype.ReadCache = function (cache, proxyA, transformA, proxyB, transformB) {
-      b2Settings.b2Assert(0 <= cache.count && cache.count <= 3);
-      var wALocal;
-      var wBLocal;
-      this.m_count = cache.count;
-      var vertices = this.m_vertices;
-      for (var i = 0; i < this.m_count; i++) {
-         var v = vertices[i];
-         v.indexA = cache.indexA[i];
-         v.indexB = cache.indexB[i];
-         wALocal = proxyA.GetVertex(v.indexA);
-         wBLocal = proxyB.GetVertex(v.indexB);
-         v.wA = b2Math.MulX(transformA, wALocal);
-         v.wB = b2Math.MulX(transformB, wBLocal);
-         v.w = b2Math.SubtractVV(v.wB, v.wA);
-         v.a = 0;
-      }
-      if (this.m_count > 1) {
-         var metric1 = cache.metric;
-         var metric2 = this.GetMetric();
-         if (metric2 < .5 * metric1 || 2.0 * metric1 < metric2 || metric2 < Number.MIN_VALUE) {
-            this.m_count = 0;
-         }
-      }
-      if (this.m_count == 0) {
-         v = vertices[0];
-         v.indexA = 0;
-         v.indexB = 0;
-         wALocal = proxyA.GetVertex(0);
-         wBLocal = proxyB.GetVertex(0);
-         v.wA = b2Math.MulX(transformA, wALocal);
-         v.wB = b2Math.MulX(transformB, wBLocal);
-         v.w = b2Math.SubtractVV(v.wB, v.wA);
-         this.m_count = 1;
-      }
-   }
-   b2Simplex.prototype.WriteCache = function (cache) {
-      cache.metric = this.GetMetric();
-      cache.count = Box2D.parseUInt(this.m_count);
-      var vertices = this.m_vertices;
-      for (var i = 0; i < this.m_count; i++) {
-         cache.indexA[i] = Box2D.parseUInt(vertices[i].indexA);
-         cache.indexB[i] = Box2D.parseUInt(vertices[i].indexB);
-      }
-   }
-   b2Simplex.prototype.GetSearchDirection = function () {
-      switch (this.m_count) {
-      case 1:
-         return this.m_v1.w.GetNegative();
-      case 2:
-         {
-            var e12 = b2Math.SubtractVV(this.m_v2.w, this.m_v1.w);
-            var sgn = b2Math.CrossVV(e12, this.m_v1.w.GetNegative());
-            if (sgn > 0.0) {
-               return b2Math.CrossFV(1.0, e12);
-            }
-            else {
-               return b2Math.CrossVF(e12, 1.0);
-            }
-         }
-      default:
-         b2Settings.b2Assert(false);
-         return new b2Vec2();
-      }
-   }
-   b2Simplex.prototype.GetClosestPoint = function () {
-      switch (this.m_count) {
-      case 0:
-         b2Settings.b2Assert(false);
-         return new b2Vec2();
-      case 1:
-         return this.m_v1.w;
-      case 2:
-         return new b2Vec2(this.m_v1.a * this.m_v1.w.x + this.m_v2.a * this.m_v2.w.x, this.m_v1.a * this.m_v1.w.y + this.m_v2.a * this.m_v2.w.y);
-      default:
-         b2Settings.b2Assert(false);
-         return new b2Vec2();
-      }
-   }
-   b2Simplex.prototype.GetWitnessPoints = function (pA, pB) {
-      switch (this.m_count) {
-      case 0:
-         b2Settings.b2Assert(false);
-         break;
-      case 1:
-         pA.SetV(this.m_v1.wA);
-         pB.SetV(this.m_v1.wB);
-         break;
-      case 2:
-         pA.x = this.m_v1.a * this.m_v1.wA.x + this.m_v2.a * this.m_v2.wA.x;
-         pA.y = this.m_v1.a * this.m_v1.wA.y + this.m_v2.a * this.m_v2.wA.y;
-         pB.x = this.m_v1.a * this.m_v1.wB.x + this.m_v2.a * this.m_v2.wB.x;
-         pB.y = this.m_v1.a * this.m_v1.wB.y + this.m_v2.a * this.m_v2.wB.y;
-         break;
-      case 3:
-         pB.x = pA.x = this.m_v1.a * this.m_v1.wA.x + this.m_v2.a * this.m_v2.wA.x + this.m_v3.a * this.m_v3.wA.x;
-         pB.y = pA.y = this.m_v1.a * this.m_v1.wA.y + this.m_v2.a * this.m_v2.wA.y + this.m_v3.a * this.m_v3.wA.y;
-         break;
-      default:
-         b2Settings.b2Assert(false);
-         break;
-      }
-   }
-   b2Simplex.prototype.GetMetric = function () {
-      switch (this.m_count) {
-      case 0:
-         b2Settings.b2Assert(false);
-         return 0.0;
-      case 1:
-         return 0.0;
-      case 2:
-         return b2Math.SubtractVV(this.m_v1.w, this.m_v2.w).Length();
-      case 3:
-         return b2Math.CrossVV(b2Math.SubtractVV(this.m_v2.w, this.m_v1.w), b2Math.SubtractVV(this.m_v3.w, this.m_v1.w));
-      default:
-         b2Settings.b2Assert(false);
-         return 0.0;
-      }
-   }
-   b2Simplex.prototype.Solve2 = function () {
-      var w1 = this.m_v1.w;
-      var w2 = this.m_v2.w;
-      var e12 = b2Math.SubtractVV(w2, w1);
-      var d12_2 = (-(w1.x * e12.x + w1.y * e12.y));
-      if (d12_2 <= 0.0) {
-         this.m_v1.a = 1.0;
-         this.m_count = 1;
-         return;
-      }
-      var d12_1 = (w2.x * e12.x + w2.y * e12.y);
-      if (d12_1 <= 0.0) {
-         this.m_v2.a = 1.0;
-         this.m_count = 1;
-         this.m_v1.Set(this.m_v2);
-         return;
-      }
-      var inv_d12 = 1.0 / (d12_1 + d12_2);
-      this.m_v1.a = d12_1 * inv_d12;
-      this.m_v2.a = d12_2 * inv_d12;
-      this.m_count = 2;
-   }
-   b2Simplex.prototype.Solve3 = function () {
-      var w1 = this.m_v1.w;
-      var w2 = this.m_v2.w;
-      var w3 = this.m_v3.w;
-      var e12 = b2Math.SubtractVV(w2, w1);
-      var w1e12 = b2Math.Dot(w1, e12);
-      var w2e12 = b2Math.Dot(w2, e12);
-      var d12_1 = w2e12;
-      var d12_2 = (-w1e12);
-      var e13 = b2Math.SubtractVV(w3, w1);
-      var w1e13 = b2Math.Dot(w1, e13);
-      var w3e13 = b2Math.Dot(w3, e13);
-      var d13_1 = w3e13;
-      var d13_2 = (-w1e13);
-      var e23 = b2Math.SubtractVV(w3, w2);
-      var w2e23 = b2Math.Dot(w2, e23);
-      var w3e23 = b2Math.Dot(w3, e23);
-      var d23_1 = w3e23;
-      var d23_2 = (-w2e23);
-      var n123 = b2Math.CrossVV(e12, e13);
-      var d123_1 = n123 * b2Math.CrossVV(w2, w3);
-      var d123_2 = n123 * b2Math.CrossVV(w3, w1);
-      var d123_3 = n123 * b2Math.CrossVV(w1, w2);
-      if (d12_2 <= 0.0 && d13_2 <= 0.0) {
-         this.m_v1.a = 1.0;
-         this.m_count = 1;
-         return;
-      }
-      if (d12_1 > 0.0 && d12_2 > 0.0 && d123_3 <= 0.0) {
-         var inv_d12 = 1.0 / (d12_1 + d12_2);
-         this.m_v1.a = d12_1 * inv_d12;
-         this.m_v2.a = d12_2 * inv_d12;
-         this.m_count = 2;
-         return;
-      }
-      if (d13_1 > 0.0 && d13_2 > 0.0 && d123_2 <= 0.0) {
-         var inv_d13 = 1.0 / (d13_1 + d13_2);
-         this.m_v1.a = d13_1 * inv_d13;
-         this.m_v3.a = d13_2 * inv_d13;
-         this.m_count = 2;
-         this.m_v2.Set(this.m_v3);
-         return;
-      }
-      if (d12_1 <= 0.0 && d23_2 <= 0.0) {
-         this.m_v2.a = 1.0;
-         this.m_count = 1;
-         this.m_v1.Set(this.m_v2);
-         return;
-      }
-      if (d13_1 <= 0.0 && d23_1 <= 0.0) {
-         this.m_v3.a = 1.0;
-         this.m_count = 1;
-         this.m_v1.Set(this.m_v3);
-         return;
-      }
-      if (d23_1 > 0.0 && d23_2 > 0.0 && d123_1 <= 0.0) {
-         var inv_d23 = 1.0 / (d23_1 + d23_2);
-         this.m_v2.a = d23_1 * inv_d23;
-         this.m_v3.a = d23_2 * inv_d23;
-         this.m_count = 2;
-         this.m_v1.Set(this.m_v3);
-         return;
-      }
-      var inv_d123 = 1.0 / (d123_1 + d123_2 + d123_3);
-      this.m_v1.a = d123_1 * inv_d123;
-      this.m_v2.a = d123_2 * inv_d123;
-      this.m_v3.a = d123_3 * inv_d123;
-      this.m_count = 3;
-   }
-   b2SimplexCache.b2SimplexCache = function () {
-      this.indexA = new Vector_a2j_Number(3);
-      this.indexB = new Vector_a2j_Number(3);
-   };
-   b2SimplexVertex.b2SimplexVertex = function () {};
-   b2SimplexVertex.prototype.Set = function (other) {
-      this.wA.SetV(other.wA);
-      this.wB.SetV(other.wB);
-      this.w.SetV(other.w);
-      this.a = other.a;
-      this.indexA = other.indexA;
-      this.indexB = other.indexB;
-   }
-   b2TimeOfImpact.b2TimeOfImpact = function () {};
-   b2TimeOfImpact.TimeOfImpact = function (input) {
-      ++b2TimeOfImpact.b2_toiCalls;
-      var proxyA = input.proxyA;
-      var proxyB = input.proxyB;
-      var sweepA = input.sweepA;
-      var sweepB = input.sweepB;
-      b2Settings.b2Assert(sweepA.t0 == sweepB.t0);
-      b2Settings.b2Assert(1.0 - sweepA.t0 > Number.MIN_VALUE);
-      var radius = proxyA.m_radius + proxyB.m_radius;
-      var tolerance = input.tolerance;
-      var alpha = 0.0;
-      var k_maxIterations = 1000;
-      var iter = 0;
-      var target = 0.0;
-      b2TimeOfImpact.s_cache.count = 0;
-      b2TimeOfImpact.s_distanceInput.useRadii = false;
-      for (;;) {
-         sweepA.GetTransform(b2TimeOfImpact.s_xfA, alpha);
-         sweepB.GetTransform(b2TimeOfImpact.s_xfB, alpha);
-         b2TimeOfImpact.s_distanceInput.proxyA = proxyA;
-         b2TimeOfImpact.s_distanceInput.proxyB = proxyB;
-         b2TimeOfImpact.s_distanceInput.transformA = b2TimeOfImpact.s_xfA;
-         b2TimeOfImpact.s_distanceInput.transformB = b2TimeOfImpact.s_xfB;
-         b2Distance.Distance(b2TimeOfImpact.s_distanceOutput, b2TimeOfImpact.s_cache, b2TimeOfImpact.s_distanceInput);
-         if (b2TimeOfImpact.s_distanceOutput.distance <= 0.0) {
-            alpha = 1.0;
-            break;
-         }
-         b2TimeOfImpact.s_fcn.Initialize(b2TimeOfImpact.s_cache, proxyA, b2TimeOfImpact.s_xfA, proxyB, b2TimeOfImpact.s_xfB);
-         var separation = b2TimeOfImpact.s_fcn.Evaluate(b2TimeOfImpact.s_xfA, b2TimeOfImpact.s_xfB);
-         if (separation <= 0.0) {
-            alpha = 1.0;
-            break;
-         }
-         if (iter == 0) {
-            if (separation > radius) {
-               target = b2Math.Max(radius - tolerance, 0.75 * radius);
-            }
-            else {
-               target = b2Math.Max(separation - tolerance, 0.02 * radius);
-            }
-         }
-         if (separation - target < 0.5 * tolerance) {
-            if (iter == 0) {
-               alpha = 1.0;
-               break;
-            }
-            break;
-         }
-         var newAlpha = alpha; {
-            var x1 = alpha;
-            var x2 = 1.0;
-            var f1 = separation;
-            sweepA.GetTransform(b2TimeOfImpact.s_xfA, x2);
-            sweepB.GetTransform(b2TimeOfImpact.s_xfB, x2);
-            var f2 = b2TimeOfImpact.s_fcn.Evaluate(b2TimeOfImpact.s_xfA, b2TimeOfImpact.s_xfB);
-            if (f2 >= target) {
-               alpha = 1.0;
-               break;
-            }
-            var rootIterCount = 0;
-            for (;;) {
-               var x = 0;
-               if (rootIterCount & 1) {
-                  x = x1 + (target - f1) * (x2 - x1) / (f2 - f1);
-               }
-               else {
-                  x = 0.5 * (x1 + x2);
-               }
-               sweepA.GetTransform(b2TimeOfImpact.s_xfA, x);
-               sweepB.GetTransform(b2TimeOfImpact.s_xfB, x);
-               var f = b2TimeOfImpact.s_fcn.Evaluate(b2TimeOfImpact.s_xfA, b2TimeOfImpact.s_xfB);
-               if (b2Math.Abs(f - target) < 0.025 * tolerance) {
-                  newAlpha = x;
-                  break;
-               }
-               if (f > target) {
-                  x1 = x;
-                  f1 = f;
-               }
-               else {
-                  x2 = x;
-                  f2 = f;
-               }++rootIterCount;
-               ++b2TimeOfImpact.b2_toiRootIters;
-               if (rootIterCount == 50) {
-                  break;
-               }
-            }
-            b2TimeOfImpact.b2_toiMaxRootIters = b2Math.Max(b2TimeOfImpact.b2_toiMaxRootIters, rootIterCount);
-         }
-         if (newAlpha < (1.0 + 100.0 * Number.MIN_VALUE) * alpha) {
-            break;
-         }
-         alpha = newAlpha;
-         iter++;
-         ++b2TimeOfImpact.b2_toiIters;
-         if (iter == k_maxIterations) {
-            break;
-         }
-      }
-      b2TimeOfImpact.b2_toiMaxIters = b2Math.Max(b2TimeOfImpact.b2_toiMaxIters, iter);
-      return alpha;
-   }
-   Box2D.postDefs.push(function () {
-      Box2D.Collision.b2TimeOfImpact.b2_toiCalls = 0;
-      Box2D.Collision.b2TimeOfImpact.b2_toiIters = 0;
-      Box2D.Collision.b2TimeOfImpact.b2_toiMaxIters = 0;
-      Box2D.Collision.b2TimeOfImpact.b2_toiRootIters = 0;
-      Box2D.Collision.b2TimeOfImpact.b2_toiMaxRootIters = 0;
-      Box2D.Collision.b2TimeOfImpact.s_cache = new b2SimplexCache();
-      Box2D.Collision.b2TimeOfImpact.s_distanceInput = new b2DistanceInput();
-      Box2D.Collision.b2TimeOfImpact.s_xfA = new b2Transform();
-      Box2D.Collision.b2TimeOfImpact.s_xfB = new b2Transform();
-      Box2D.Collision.b2TimeOfImpact.s_fcn = new b2SeparationFunction();
-      Box2D.Collision.b2TimeOfImpact.s_distanceOutput = new b2DistanceOutput();
-   });
-   b2TOIInput.b2TOIInput = function () {
-      this.proxyA = new b2DistanceProxy();
-      this.proxyB = new b2DistanceProxy();
-      this.sweepA = new b2Sweep();
-      this.sweepB = new b2Sweep();
-   };
-   b2WorldManifold.b2WorldManifold = function () {
-      this.m_normal = new b2Vec2();
-   };
-   b2WorldManifold.prototype.b2WorldManifold = function () {
-      this.m_points = new Vector(b2Settings.b2_maxManifoldPoints);
-      for (var i = 0; i < b2Settings.b2_maxManifoldPoints; i++) {
-         this.m_points[i] = new b2Vec2();
-      }
-   }
-   b2WorldManifold.prototype.Initialize = function (manifold, xfA, radiusA, xfB, radiusB) {
-      if (radiusA === undefined) radiusA = 0;
-      if (radiusB === undefined) radiusB = 0;
-      if (manifold.m_pointCount == 0) {
-         return;
-      }
-      var i = 0;
-      var tVec;
-      var tMat;
-      var normalX = 0;
-      var normalY = 0;
-      var planePointX = 0;
-      var planePointY = 0;
-      var clipPointX = 0;
-      var clipPointY = 0;
-      switch (manifold.m_type) {
-      case b2Manifold.e_circles:
-         {
-            tMat = xfA.R;
-            tVec = manifold.m_localPoint;
-            var pointAX = xfA.position.x + tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
-            var pointAY = xfA.position.y + tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
-            tMat = xfB.R;
-            tVec = manifold.m_points[0].m_localPoint;
-            var pointBX = xfB.position.x + tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
-            var pointBY = xfB.position.y + tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
-            var dX = pointBX - pointAX;
-            var dY = pointBY - pointAY;
-            var d2 = dX * dX + dY * dY;
-            if (d2 > Number.MIN_VALUE * Number.MIN_VALUE) {
-               var d = Math.sqrt(d2);
-               this.m_normal.x = dX / d;
-               this.m_normal.y = dY / d;
-            }
-            else {
-               this.m_normal.x = 1;
-               this.m_normal.y = 0;
-            }
-            var cAX = pointAX + radiusA * this.m_normal.x;
-            var cAY = pointAY + radiusA * this.m_normal.y;
-            var cBX = pointBX - radiusB * this.m_normal.x;
-            var cBY = pointBY - radiusB * this.m_normal.y;
-            this.m_points[0].x = 0.5 * (cAX + cBX);
-            this.m_points[0].y = 0.5 * (cAY + cBY);
-         }
-         break;
-      case b2Manifold.e_faceA:
-         {
-            tMat = xfA.R;
-            tVec = manifold.m_localPlaneNormal;
-            normalX = tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
-            normalY = tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
-            tMat = xfA.R;
-            tVec = manifold.m_localPoint;
-            planePointX = xfA.position.x + tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
-            planePointY = xfA.position.y + tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
-            this.m_normal.x = normalX;
-            this.m_normal.y = normalY;
-            for (i = 0;
-            i < manifold.m_pointCount; i++) {
-               tMat = xfB.R;
-               tVec = manifold.m_points[i].m_localPoint;
-               clipPointX = xfB.position.x + tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
-               clipPointY = xfB.position.y + tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
-               this.m_points[i].x = clipPointX + 0.5 * (radiusA - (clipPointX - planePointX) * normalX - (clipPointY - planePointY) * normalY - radiusB) * normalX;
-               this.m_points[i].y = clipPointY + 0.5 * (radiusA - (clipPointX - planePointX) * normalX - (clipPointY - planePointY) * normalY - radiusB) * normalY;
-            }
-         }
-         break;
-      case b2Manifold.e_faceB:
-         {
-            tMat = xfB.R;
-            tVec = manifold.m_localPlaneNormal;
-            normalX = tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
-            normalY = tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
-            tMat = xfB.R;
-            tVec = manifold.m_localPoint;
-            planePointX = xfB.position.x + tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
-            planePointY = xfB.position.y + tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
-            this.m_normal.x = (-normalX);
-            this.m_normal.y = (-normalY);
-            for (i = 0;
-            i < manifold.m_pointCount; i++) {
-               tMat = xfA.R;
-               tVec = manifold.m_points[i].m_localPoint;
-               clipPointX = xfA.position.x + tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
-               clipPointY = xfA.position.y + tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
-               this.m_points[i].x = clipPointX + 0.5 * (radiusB - (clipPointX - planePointX) * normalX - (clipPointY - planePointY) * normalY - radiusA) * normalX;
-               this.m_points[i].y = clipPointY + 0.5 * (radiusB - (clipPointX - planePointX) * normalX - (clipPointY - planePointY) * normalY - radiusA) * normalY;
-            }
-         }
-         break;
-      }
-   }
-   ClipVertex.ClipVertex = function () {
-      this.v = new b2Vec2();
-      this.id = new b2ContactID();
-   };
-   ClipVertex.prototype.Set = function (other) {
-      this.v.SetV(other.v);
-      this.id.Set(other.id);
-   }
-   Features.Features = function () {};
-   Object.defineProperty(Features.prototype, 'referenceEdge', {
-      enumerable: false,
-      configurable: true,
-      get: function () {
-         return this._referenceEdge;
-      }
-   });
-   Object.defineProperty(Features.prototype, 'referenceEdge', {
-      enumerable: false,
-      configurable: true,
-      set: function (value) {
-         if (value === undefined) value = 0;
-         this._referenceEdge = value;
-         this._m_id._key = (this._m_id._key & 0xffffff00) | (this._referenceEdge & 0x000000ff);
-      }
-   });
-   Object.defineProperty(Features.prototype, 'incidentEdge', {
-      enumerable: false,
-      configurable: true,
-      get: function () {
-         return this._incidentEdge;
-      }
-   });
-   Object.defineProperty(Features.prototype, 'incidentEdge', {
-      enumerable: false,
-      configurable: true,
-      set: function (value) {
-         if (value === undefined) value = 0;
-         this._incidentEdge = value;
-         this._m_id._key = (this._m_id._key & 0xffff00ff) | ((this._incidentEdge << 8) & 0x0000ff00);
-      }
-   });
-   Object.defineProperty(Features.prototype, 'incidentVertex', {
-      enumerable: false,
-      configurable: true,
-      get: function () {
-         return this._incidentVertex;
-      }
-   });
-   Object.defineProperty(Features.prototype, 'incidentVertex', {
-      enumerable: false,
-      configurable: true,
-      set: function (value) {
-         if (value === undefined) value = 0;
-         this._incidentVertex = value;
-         this._m_id._key = (this._m_id._key & 0xff00ffff) | ((this._incidentVertex << 16) & 0x00ff0000);
-      }
-   });
-   Object.defineProperty(Features.prototype, 'flip', {
-      enumerable: false,
-      configurable: true,
-      get: function () {
-         return this._flip;
-      }
-   });
-   Object.defineProperty(Features.prototype, 'flip', {
-      enumerable: false,
-      configurable: true,
-      set: function (value) {
-         if (value === undefined) value = 0;
-         this._flip = value;
-         this._m_id._key = (this._m_id._key & 0x00ffffff) | ((this._flip << 24) & 0xff000000);
-      }
-   });
-})();
-(function () {
-   var b2Color = Box2D.Common.b2Color,
-      b2internal = Box2D.Common.b2internal,
-      b2Settings = Box2D.Common.b2Settings,
-      b2CircleShape = Box2D.Collision.Shapes.b2CircleShape,
-      b2EdgeChainDef = Box2D.Collision.Shapes.b2EdgeChainDef,
-      b2EdgeShape = Box2D.Collision.Shapes.b2EdgeShape,
-      b2MassData = Box2D.Collision.Shapes.b2MassData,
-      b2PolygonShape = Box2D.Collision.Shapes.b2PolygonShape,
-      b2Shape = Box2D.Collision.Shapes.b2Shape,
-      b2Mat22 = Box2D.Common.Math.b2Mat22,
-      b2Mat33 = Box2D.Common.Math.b2Mat33,
-      b2Math = Box2D.Common.Math.b2Math,
-      b2Sweep = Box2D.Common.Math.b2Sweep,
-      b2Transform = Box2D.Common.Math.b2Transform,
-      b2Vec2 = Box2D.Common.Math.b2Vec2,
-      b2Vec3 = Box2D.Common.Math.b2Vec3,
-      b2Body = Box2D.Dynamics.b2Body,
-      b2BodyDef = Box2D.Dynamics.b2BodyDef,
-      b2ContactFilter = Box2D.Dynamics.b2ContactFilter,
-      b2ContactImpulse = Box2D.Dynamics.b2ContactImpulse,
-      b2ContactListener = Box2D.Dynamics.b2ContactListener,
-      b2ContactManager = Box2D.Dynamics.b2ContactManager,
-      b2DebugDraw = Box2D.Dynamics.b2DebugDraw,
-      b2DestructionListener = Box2D.Dynamics.b2DestructionListener,
-      b2FilterData = Box2D.Dynamics.b2FilterData,
-      b2Fixture = Box2D.Dynamics.b2Fixture,
-      b2FixtureDef = Box2D.Dynamics.b2FixtureDef,
-      b2Island = Box2D.Dynamics.b2Island,
-      b2TimeStep = Box2D.Dynamics.b2TimeStep,
-      b2World = Box2D.Dynamics.b2World,
-      b2AABB = Box2D.Collision.b2AABB,
-      b2Bound = Box2D.Collision.b2Bound,
-      b2BoundValues = Box2D.Collision.b2BoundValues,
-      b2Collision = Box2D.Collision.b2Collision,
-      b2ContactID = Box2D.Collision.b2ContactID,
-      b2ContactPoint = Box2D.Collision.b2ContactPoint,
-      b2Distance = Box2D.Collision.b2Distance,
-      b2DistanceInput = Box2D.Collision.b2DistanceInput,
-      b2DistanceOutput = Box2D.Collision.b2DistanceOutput,
-      b2DistanceProxy = Box2D.Collision.b2DistanceProxy,
-      b2DynamicTree = Box2D.Collision.b2DynamicTree,
-      b2DynamicTreeBroadPhase = Box2D.Collision.b2DynamicTreeBroadPhase,
-      b2DynamicTreeNode = Box2D.Collision.b2DynamicTreeNode,
-      b2DynamicTreePair = Box2D.Collision.b2DynamicTreePair,
-      b2Manifold = Box2D.Collision.b2Manifold,
-      b2ManifoldPoint = Box2D.Collision.b2ManifoldPoint,
-      b2Point = Box2D.Collision.b2Point,
-      b2RayCastInput = Box2D.Collision.b2RayCastInput,
-      b2RayCastOutput = Box2D.Collision.b2RayCastOutput,
-      b2Segment = Box2D.Collision.b2Segment,
-      b2SeparationFunction = Box2D.Collision.b2SeparationFunction,
-      b2Simplex = Box2D.Collision.b2Simplex,
-      b2SimplexCache = Box2D.Collision.b2SimplexCache,
-      b2SimplexVertex = Box2D.Collision.b2SimplexVertex,
-      b2TimeOfImpact = Box2D.Collision.b2TimeOfImpact,
-      b2TOIInput = Box2D.Collision.b2TOIInput,
-      b2WorldManifold = Box2D.Collision.b2WorldManifold,
-      ClipVertex = Box2D.Collision.ClipVertex,
-      Features = Box2D.Collision.Features,
-      IBroadPhase = Box2D.Collision.IBroadPhase;
-
-   Box2D.inherit(b2CircleShape, Box2D.Collision.Shapes.b2Shape);
-   b2CircleShape.prototype.__super = Box2D.Collision.Shapes.b2Shape.prototype;
-   b2CircleShape.b2CircleShape = function () {
-      Box2D.Collision.Shapes.b2Shape.b2Shape.apply(this, arguments);
-      this.m_p = new b2Vec2();
-   };
-   b2CircleShape.prototype.Copy = function () {
-      var s = new b2CircleShape();
-      s.Set(this);
-      return s;
-   }
-   b2CircleShape.prototype.Set = function (other) {
-      this.__super.Set.call(this, other);
-      if (Box2D.is(other, b2CircleShape)) {
-         var other2 = (other instanceof b2CircleShape ? other : null);
-         this.m_p.SetV(other2.m_p);
-      }
-   }
-   b2CircleShape.prototype.TestPoint = function (transform, p) {
-      var tMat = transform.R;
-      var dX = transform.position.x + (tMat.col1.x * this.m_p.x + tMat.col2.x * this.m_p.y);
-      var dY = transform.position.y + (tMat.col1.y * this.m_p.x + tMat.col2.y * this.m_p.y);
-      dX = p.x - dX;
-      dY = p.y - dY;
-      return (dX * dX + dY * dY) <= this.m_radius * this.m_radius;
-   }
-   b2CircleShape.prototype.RayCast = function (output, input, transform) {
-      var tMat = transform.R;
-      var positionX = transform.position.x + (tMat.col1.x * this.m_p.x + tMat.col2.x * this.m_p.y);
-      var positionY = transform.position.y + (tMat.col1.y * this.m_p.x + tMat.col2.y * this.m_p.y);
-      var sX = input.p1.x - positionX;
-      var sY = input.p1.y - positionY;
-      var b = (sX * sX + sY * sY) - this.m_radius * this.m_radius;
-      var rX = input.p2.x - input.p1.x;
-      var rY = input.p2.y - input.p1.y;
-      var c = (sX * rX + sY * rY);
-      var rr = (rX * rX + rY * rY);
-      var sigma = c * c - rr * b;
-      if (sigma < 0.0 || rr < Number.MIN_VALUE) {
-         return false;
-      }
-      var a = (-(c + Math.sqrt(sigma)));
-      if (0.0 <= a && a <= input.maxFraction * rr) {
-         a /= rr;
-         output.fraction = a;
-         output.normal.x = sX + a * rX;
-         output.normal.y = sY + a * rY;
-         output.normal.Normalize();
-         return true;
-      }
-      return false;
-   }
-   b2CircleShape.prototype.ComputeAABB = function (aabb, transform) {
-      var tMat = transform.R;
-      var pX = transform.position.x + (tMat.col1.x * this.m_p.x + tMat.col2.x * this.m_p.y);
-      var pY = transform.position.y + (tMat.col1.y * this.m_p.x + tMat.col2.y * this.m_p.y);
-      aabb.lowerBound.Set(pX - this.m_radius, pY - this.m_radius);
-      aabb.upperBound.Set(pX + this.m_radius, pY + this.m_radius);
-   }
-   b2CircleShape.prototype.ComputeMass = function (massData, density) {
-      if (density === undefined) density = 0;
-      massData.mass = density * b2Settings.b2_pi * this.m_radius * this.m_radius;
-      massData.center.SetV(this.m_p);
-      massData.I = massData.mass * (0.5 * this.m_radius * this.m_radius + (this.m_p.x * this.m_p.x + this.m_p.y * this.m_p.y));
-   }
-   b2CircleShape.prototype.ComputeSubmergedArea = function (normal, offset, xf, c) {
-      if (offset === undefined) offset = 0;
-      var p = b2Math.MulX(xf, this.m_p);
-      var l = (-(b2Math.Dot(normal, p) - offset));
-      if (l < (-this.m_radius) + Number.MIN_VALUE) {
-         return 0;
-      }
-      if (l > this.m_radius) {
-         c.SetV(p);
-         return Math.PI * this.m_radius * this.m_radius;
-      }
-      var r2 = this.m_radius * this.m_radius;
-      var l2 = l * l;
-      var area = r2 * (Math.asin(l / this.m_radius) + Math.PI / 2) + l * Math.sqrt(r2 - l2);
-      var com = (-2 / 3 * Math.pow(r2 - l2, 1.5) / area);
-      c.x = p.x + normal.x * com;
-      c.y = p.y + normal.y * com;
-      return area;
-   }
-   b2CircleShape.prototype.GetLocalPosition = function () {
-      return this.m_p;
-   }
-   b2CircleShape.prototype.SetLocalPosition = function (position) {
-      this.m_p.SetV(position);
-   }
-   b2CircleShape.prototype.GetRadius = function () {
-      return this.m_radius;
-   }
-   b2CircleShape.prototype.SetRadius = function (radius) {
-      if (radius === undefined) radius = 0;
-      this.m_radius = radius;
-   }
-   b2CircleShape.prototype.b2CircleShape = function (radius) {
-      if (radius === undefined) radius = 0;
-      this.__super.b2Shape.call(this);
-      this.m_type = b2Shape.e_circleShape;
-      this.m_radius = radius;
-   }
-   b2EdgeChainDef.b2EdgeChainDef = function () {};
-   b2EdgeChainDef.prototype.b2EdgeChainDef = function () {
-      this.vertexCount = 0;
-      this.isALoop = true;
-      this.vertices = [];
-   }
-   Box2D.inherit(b2EdgeShape, Box2D.Collision.Shapes.b2Shape);
-   b2EdgeShape.prototype.__super = Box2D.Collision.Shapes.b2Shape.prototype;
-   b2EdgeShape.b2EdgeShape = function () {
-      Box2D.Collision.Shapes.b2Shape.b2Shape.apply(this, arguments);
-      this.s_supportVec = new b2Vec2();
-      this.m_v1 = new b2Vec2();
-      this.m_v2 = new b2Vec2();
-      this.m_coreV1 = new b2Vec2();
-      this.m_coreV2 = new b2Vec2();
-      this.m_normal = new b2Vec2();
-      this.m_direction = new b2Vec2();
-      this.m_cornerDir1 = new b2Vec2();
-      this.m_cornerDir2 = new b2Vec2();
-   };
-   b2EdgeShape.prototype.TestPoint = function (transform, p) {
-      return false;
-   }
-   b2EdgeShape.prototype.RayCast = function (output, input, transform) {
-      var tMat;
-      var rX = input.p2.x - input.p1.x;
-      var rY = input.p2.y - input.p1.y;
-      tMat = transform.R;
-      var v1X = transform.position.x + (tMat.col1.x * this.m_v1.x + tMat.col2.x * this.m_v1.y);
-      var v1Y = transform.position.y + (tMat.col1.y * this.m_v1.x + tMat.col2.y * this.m_v1.y);
-      var nX = transform.position.y + (tMat.col1.y * this.m_v2.x + tMat.col2.y * this.m_v2.y) - v1Y;
-      var nY = (-(transform.position.x + (tMat.col1.x * this.m_v2.x + tMat.col2.x * this.m_v2.y) - v1X));
-      var k_slop = 100.0 * Number.MIN_VALUE;
-      var denom = (-(rX * nX + rY * nY));
-      if (denom > k_slop) {
-         var bX = input.p1.x - v1X;
-         var bY = input.p1.y - v1Y;
-         var a = (bX * nX + bY * nY);
-         if (0.0 <= a && a <= input.maxFraction * denom) {
-            var mu2 = (-rX * bY) + rY * bX;
-            if ((-k_slop * denom) <= mu2 && mu2 <= denom * (1.0 + k_slop)) {
-               a /= denom;
-               output.fraction = a;
-               var nLen = Math.sqrt(nX * nX + nY * nY);
-               output.normal.x = nX / nLen;
-               output.normal.y = nY / nLen;
-               return true;
-            }
-         }
-      }
-      return false;
-   }
-   b2EdgeShape.prototype.ComputeAABB = function (aabb, transform) {
-      var tMat = transform.R;
-      var v1X = transform.position.x + (tMat.col1.x * this.m_v1.x + tMat.col2.x * this.m_v1.y);
-      var v1Y = transform.position.y + (tMat.col1.y * this.m_v1.x + tMat.col2.y * this.m_v1.y);
-      var v2X = transform.position.x + (tMat.col1.x * this.m_v2.x + tMat.col2.x * this.m_v2.y);
-      var v2Y = transform.position.y + (tMat.col1.y * this.m_v2.x + tMat.col2.y * this.m_v2.y);
-      if (v1X < v2X) {
-         aabb.lowerBound.x = v1X;
-         aabb.upperBound.x = v2X;
-      }
-      else {
-         aabb.lowerBound.x = v2X;
-         aabb.upperBound.x = v1X;
-      }
-      if (v1Y < v2Y) {
-         aabb.lowerBound.y = v1Y;
-         aabb.upperBound.y = v2Y;
-      }
-      else {
-         aabb.lowerBound.y = v2Y;
-         aabb.upperBound.y = v1Y;
-      }
-   }
-   b2EdgeShape.prototype.ComputeMass = function (massData, density) {
-      if (density === undefined) density = 0;
-      massData.mass = 0;
-      massData.center.SetV(this.m_v1);
-      massData.I = 0;
-   }
-   b2EdgeShape.prototype.ComputeSubmergedArea = function (normal, offset, xf, c) {
-      if (offset === undefined) offset = 0;
-      var v0 = new b2Vec2(normal.x * offset, normal.y * offset);
-      var v1 = b2Math.MulX(xf, this.m_v1);
-      var v2 = b2Math.MulX(xf, this.m_v2);
-      var d1 = b2Math.Dot(normal, v1) - offset;
-      var d2 = b2Math.Dot(normal, v2) - offset;
-      if (d1 > 0) {
-         if (d2 > 0) {
-            return 0;
-         }
-         else {
-            v1.x = (-d2 / (d1 - d2) * v1.x) + d1 / (d1 - d2) * v2.x;
-            v1.y = (-d2 / (d1 - d2) * v1.y) + d1 / (d1 - d2) * v2.y;
-         }
-      }
-      else {
-         if (d2 > 0) {
-            v2.x = (-d2 / (d1 - d2) * v1.x) + d1 / (d1 - d2) * v2.x;
-            v2.y = (-d2 / (d1 - d2) * v1.y) + d1 / (d1 - d2) * v2.y;
-         }
-         else {}
-      }
-      c.x = (v0.x + v1.x + v2.x) / 3;
-      c.y = (v0.y + v1.y + v2.y) / 3;
-      return 0.5 * ((v1.x - v0.x) * (v2.y - v0.y) - (v1.y - v0.y) * (v2.x - v0.x));
-   }
-   b2EdgeShape.prototype.GetLength = function () {
-      return this.m_length;
-   }
-   b2EdgeShape.prototype.GetVertex1 = function () {
-      return this.m_v1;
-   }
-   b2EdgeShape.prototype.GetVertex2 = function () {
-      return this.m_v2;
-   }
-   b2EdgeShape.prototype.GetCoreVertex1 = function () {
-      return this.m_coreV1;
-   }
-   b2EdgeShape.prototype.GetCoreVertex2 = function () {
-      return this.m_coreV2;
-   }
-   b2EdgeShape.prototype.GetNormalVector = function () {
-      return this.m_normal;
-   }
-   b2EdgeShape.prototype.GetDirectionVector = function () {
-      return this.m_direction;
-   }
-   b2EdgeShape.prototype.GetCorner1Vector = function () {
-      return this.m_cornerDir1;
-   }
-   b2EdgeShape.prototype.GetCorner2Vector = function () {
-      return this.m_cornerDir2;
-   }
-   b2EdgeShape.prototype.Corner1IsConvex = function () {
-      return this.m_cornerConvex1;
-   }
-   b2EdgeShape.prototype.Corner2IsConvex = function () {
-      return this.m_cornerConvex2;
-   }
-   b2EdgeShape.prototype.GetFirstVertex = function (xf) {
-      var tMat = xf.R;
-      return new b2Vec2(xf.position.x + (tMat.col1.x * this.m_coreV1.x + tMat.col2.x * this.m_coreV1.y), xf.position.y + (tMat.col1.y * this.m_coreV1.x + tMat.col2.y * this.m_coreV1.y));
-   }
-   b2EdgeShape.prototype.GetNextEdge = function () {
-      return this.m_nextEdge;
-   }
-   b2EdgeShape.prototype.GetPrevEdge = function () {
-      return this.m_prevEdge;
-   }
-   b2EdgeShape.prototype.Support = function (xf, dX, dY) {
-      if (dX === undefined) dX = 0;
-      if (dY === undefined) dY = 0;
-      var tMat = xf.R;
-      var v1X = xf.position.x + (tMat.col1.x * this.m_coreV1.x + tMat.col2.x * this.m_coreV1.y);
-      var v1Y = xf.position.y + (tMat.col1.y * this.m_coreV1.x + tMat.col2.y * this.m_coreV1.y);
-      var v2X = xf.position.x + (tMat.col1.x * this.m_coreV2.x + tMat.col2.x * this.m_coreV2.y);
-      var v2Y = xf.position.y + (tMat.col1.y * this.m_coreV2.x + tMat.col2.y * this.m_coreV2.y);
-      if ((v1X * dX + v1Y * dY) > (v2X * dX + v2Y * dY)) {
-         this.s_supportVec.x = v1X;
-         this.s_supportVec.y = v1Y;
-      }
-      else {
-         this.s_supportVec.x = v2X;
-         this.s_supportVec.y = v2Y;
-      }
-      return this.s_supportVec;
-   }
-   b2EdgeShape.prototype.b2EdgeShape = function (v1, v2) {
-      this.__super.b2Shape.call(this);
-      this.m_type = b2Shape.e_edgeShape;
-      this.m_prevEdge = null;
-      this.m_nextEdge = null;
-      this.m_v1 = v1;
-      this.m_v2 = v2;
-      this.m_direction.Set(this.m_v2.x - this.m_v1.x, this.m_v2.y - this.m_v1.y);
-      this.m_length = this.m_direction.Normalize();
-      this.m_normal.Set(this.m_direction.y, (-this.m_direction.x));
-      this.m_coreV1.Set((-b2Settings.b2_toiSlop * (this.m_normal.x - this.m_direction.x)) + this.m_v1.x, (-b2Settings.b2_toiSlop * (this.m_normal.y - this.m_direction.y)) + this.m_v1.y);
-      this.m_coreV2.Set((-b2Settings.b2_toiSlop * (this.m_normal.x + this.m_direction.x)) + this.m_v2.x, (-b2Settings.b2_toiSlop * (this.m_normal.y + this.m_direction.y)) + this.m_v2.y);
-      this.m_cornerDir1 = this.m_normal;
-      this.m_cornerDir2.Set((-this.m_normal.x), (-this.m_normal.y));
-   }
-   b2EdgeShape.prototype.SetPrevEdge = function (edge, core, cornerDir, convex) {
-      this.m_prevEdge = edge;
-      this.m_coreV1 = core;
-      this.m_cornerDir1 = cornerDir;
-      this.m_cornerConvex1 = convex;
-   }
-   b2EdgeShape.prototype.SetNextEdge = function (edge, core, cornerDir, convex) {
-      this.m_nextEdge = edge;
-      this.m_coreV2 = core;
-      this.m_cornerDir2 = cornerDir;
-      this.m_cornerConvex2 = convex;
-   }
-   b2MassData.b2MassData = function () {
-      this.mass = 0.0;
-      this.center = new b2Vec2(0, 0);
-      this.I = 0.0;
-   };
-   Box2D.inherit(b2PolygonShape, Box2D.Collision.Shapes.b2Shape);
-   b2PolygonShape.prototype.__super = Box2D.Collision.Shapes.b2Shape.prototype;
-   b2PolygonShape.b2PolygonShape = function () {
-      Box2D.Collision.Shapes.b2Shape.b2Shape.apply(this, arguments);
-   };
-   b2PolygonShape.prototype.Copy = function () {
-      var s = new b2PolygonShape();
-      s.Set(this);
-      return s;
-   }
-   b2PolygonShape.prototype.Set = function (other) {
-      this.__super.Set.call(this, other);
-      if (Box2D.is(other, b2PolygonShape)) {
-         var other2 = (other instanceof b2PolygonShape ? other : null);
-         this.m_centroid.SetV(other2.m_centroid);
-         this.m_vertexCount = other2.m_vertexCount;
-         this.Reserve(this.m_vertexCount);
-         for (var i = 0; i < this.m_vertexCount; i++) {
-            this.m_vertices[i].SetV(other2.m_vertices[i]);
-            this.m_normals[i].SetV(other2.m_normals[i]);
-         }
-      }
-   }
-   b2PolygonShape.prototype.SetAsArray = function (vertices, vertexCount) {
-      if (vertexCount === undefined) vertexCount = 0;
-      var v = new Vector();
-      var i = 0,
-         tVec;
-      for (i = 0;
-      i < vertices.length; ++i) {
-         tVec = vertices[i];
-         v.push(tVec);
-      }
-      this.SetAsVector(v, vertexCount);
-   }
-   b2PolygonShape.AsArray = function (vertices, vertexCount) {
-      if (vertexCount === undefined) vertexCount = 0;
-      var polygonShape = new b2PolygonShape();
-      polygonShape.SetAsArray(vertices, vertexCount);
-      return polygonShape;
-   }
-   b2PolygonShape.prototype.SetAsVector = function (vertices, vertexCount) {
-      if (vertexCount === undefined) vertexCount = 0;
-      if (vertexCount == 0) vertexCount = vertices.length;
-      b2Settings.b2Assert(2 <= vertexCount);
-      this.m_vertexCount = vertexCount;
-      this.Reserve(vertexCount);
-      var i = 0;
-      for (i = 0;
-      i < this.m_vertexCount; i++) {
-         this.m_vertices[i].SetV(vertices[i]);
-      }
-      for (i = 0;
-      i < this.m_vertexCount; ++i) {
-         var i1 = parseInt(i);
-         var i2 = parseInt(i + 1 < this.m_vertexCount ? i + 1 : 0);
-         var edge = b2Math.SubtractVV(this.m_vertices[i2], this.m_vertices[i1]);
-         b2Settings.b2Assert(edge.LengthSquared() > Number.MIN_VALUE);
-         this.m_normals[i].SetV(b2Math.CrossVF(edge, 1.0));
-         this.m_normals[i].Normalize();
-      }
-      this.m_centroid = b2PolygonShape.ComputeCentroid(this.m_vertices, this.m_vertexCount);
-   }
-   b2PolygonShape.AsVector = function (vertices, vertexCount) {
-      if (vertexCount === undefined) vertexCount = 0;
-      var polygonShape = new b2PolygonShape();
-      polygonShape.SetAsVector(vertices, vertexCount);
-      return polygonShape;
-   }
-   b2PolygonShape.prototype.SetAsBox = function (hx, hy) {
-      if (hx === undefined) hx = 0;
-      if (hy === undefined) hy = 0;
-      this.m_vertexCount = 4;
-      this.Reserve(4);
-      this.m_vertices[0].Set((-hx), (-hy));
-      this.m_vertices[1].Set(hx, (-hy));
-      this.m_vertices[2].Set(hx, hy);
-      this.m_vertices[3].Set((-hx), hy);
-      this.m_normals[0].Set(0.0, (-1.0));
-      this.m_normals[1].Set(1.0, 0.0);
-      this.m_normals[2].Set(0.0, 1.0);
-      this.m_normals[3].Set((-1.0), 0.0);
-      this.m_centroid.SetZero();
-   }
-   b2PolygonShape.AsBox = function (hx, hy) {
-      if (hx === undefined) hx = 0;
-      if (hy === undefined) hy = 0;
-      var polygonShape = new b2PolygonShape();
-      polygonShape.SetAsBox(hx, hy);
-      return polygonShape;
-   }
-   b2PolygonShape.prototype.SetAsOrientedBox = function (hx, hy, center, angle) {
-      if (hx === undefined) hx = 0;
-      if (hy === undefined) hy = 0;
-      if (center === undefined) center = null;
-      if (angle === undefined) angle = 0.0;
-      this.m_vertexCount = 4;
-      this.Reserve(4);
-      this.m_vertices[0].Set((-hx), (-hy));
-      this.m_vertices[1].Set(hx, (-hy));
-      this.m_vertices[2].Set(hx, hy);
-      this.m_vertices[3].Set((-hx), hy);
-      this.m_normals[0].Set(0.0, (-1.0));
-      this.m_normals[1].Set(1.0, 0.0);
-      this.m_normals[2].Set(0.0, 1.0);
-      this.m_normals[3].Set((-1.0), 0.0);
-      this.m_centroid = center;
-      var xf = new b2Transform();
-      xf.position = center;
-      xf.R.Set(angle);
-      for (var i = 0; i < this.m_vertexCount; ++i) {
-         this.m_vertices[i] = b2Math.MulX(xf, this.m_vertices[i]);
-         this.m_normals[i] = b2Math.MulMV(xf.R, this.m_normals[i]);
-      }
-   }
-   b2PolygonShape.AsOrientedBox = function (hx, hy, center, angle) {
-      if (hx === undefined) hx = 0;
-      if (hy === undefined) hy = 0;
-      if (center === undefined) center = null;
-      if (angle === undefined) angle = 0.0;
-      var polygonShape = new b2PolygonShape();
-      polygonShape.SetAsOrientedBox(hx, hy, center, angle);
-      return polygonShape;
-   }
-   b2PolygonShape.prototype.SetAsEdge = function (v1, v2) {
-      this.m_vertexCount = 2;
-      this.Reserve(2);
-      this.m_vertices[0].SetV(v1);
-      this.m_vertices[1].SetV(v2);
-      this.m_centroid.x = 0.5 * (v1.x + v2.x);
-      this.m_centroid.y = 0.5 * (v1.y + v2.y);
-      this.m_normals[0] = b2Math.CrossVF(b2Math.SubtractVV(v2, v1), 1.0);
-      this.m_normals[0].Normalize();
-      this.m_normals[1].x = (-this.m_normals[0].x);
-      this.m_normals[1].y = (-this.m_normals[0].y);
-   }
-   b2PolygonShape.AsEdge = function (v1, v2) {
-      var polygonShape = new b2PolygonShape();
-      polygonShape.SetAsEdge(v1, v2);
-      return polygonShape;
-   }
-   b2PolygonShape.prototype.TestPoint = function (xf, p) {
-      var tVec;
-      var tMat = xf.R;
-      var tX = p.x - xf.position.x;
-      var tY = p.y - xf.position.y;
-      var pLocalX = (tX * tMat.col1.x + tY * tMat.col1.y);
-      var pLocalY = (tX * tMat.col2.x + tY * tMat.col2.y);
-      for (var i = 0; i < this.m_vertexCount; ++i) {
-         tVec = this.m_vertices[i];
-         tX = pLocalX - tVec.x;
-         tY = pLocalY - tVec.y;
-         tVec = this.m_normals[i];
-         var dot = (tVec.x * tX + tVec.y * tY);
-         if (dot > 0.0) {
-            return false;
-         }
-      }
-      return true;
-   }
-   b2PolygonShape.prototype.RayCast = function (output, input, transform) {
-      var lower = 0.0;
-      var upper = input.maxFraction;
-      var tX = 0;
-      var tY = 0;
-      var tMat;
-      var tVec;
-      tX = input.p1.x - transform.position.x;
-      tY = input.p1.y - transform.position.y;
-      tMat = transform.R;
-      var p1X = (tX * tMat.col1.x + tY * tMat.col1.y);
-      var p1Y = (tX * tMat.col2.x + tY * tMat.col2.y);
-      tX = input.p2.x - transform.position.x;
-      tY = input.p2.y - transform.position.y;
-      tMat = transform.R;
-      var p2X = (tX * tMat.col1.x + tY * tMat.col1.y);
-      var p2Y = (tX * tMat.col2.x + tY * tMat.col2.y);
-      var dX = p2X - p1X;
-      var dY = p2Y - p1Y;
-      var index = parseInt((-1));
-      for (var i = 0; i < this.m_vertexCount; ++i) {
-         tVec = this.m_vertices[i];
-         tX = tVec.x - p1X;
-         tY = tVec.y - p1Y;
-         tVec = this.m_normals[i];
-         var numerator = (tVec.x * tX + tVec.y * tY);
-         var denominator = (tVec.x * dX + tVec.y * dY);
-         if (denominator == 0.0) {
-            if (numerator < 0.0) {
-               return false;
-            }
-         }
-         else {
-            if (denominator < 0.0 && numerator < lower * denominator) {
-               lower = numerator / denominator;
-               index = i;
-            }
-            else if (denominator > 0.0 && numerator < upper * denominator) {
-               upper = numerator / denominator;
-            }
-         }
-         if (upper < lower - Number.MIN_VALUE) {
-            return false;
-         }
-      }
-      if (index >= 0) {
-         output.fraction = lower;
-         tMat = transform.R;
-         tVec = this.m_normals[index];
-         output.normal.x = (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-         output.normal.y = (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-         return true;
-      }
-      return false;
-   }
-   b2PolygonShape.prototype.ComputeAABB = function (aabb, xf) {
-      var tMat = xf.R;
-      var tVec = this.m_vertices[0];
-      var lowerX = xf.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-      var lowerY = xf.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-      var upperX = lowerX;
-      var upperY = lowerY;
-      for (var i = 1; i < this.m_vertexCount; ++i) {
-         tVec = this.m_vertices[i];
-         var vX = xf.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-         var vY = xf.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-         lowerX = lowerX < vX ? lowerX : vX;
-         lowerY = lowerY < vY ? lowerY : vY;
-         upperX = upperX > vX ? upperX : vX;
-         upperY = upperY > vY ? upperY : vY;
-      }
-      aabb.lowerBound.x = lowerX - this.m_radius;
-      aabb.lowerBound.y = lowerY - this.m_radius;
-      aabb.upperBound.x = upperX + this.m_radius;
-      aabb.upperBound.y = upperY + this.m_radius;
-   }
-   b2PolygonShape.prototype.ComputeMass = function (massData, density) {
-      if (density === undefined) density = 0;
-      if (this.m_vertexCount == 2) {
-         massData.center.x = 0.5 * (this.m_vertices[0].x + this.m_vertices[1].x);
-         massData.center.y = 0.5 * (this.m_vertices[0].y + this.m_vertices[1].y);
-         massData.mass = 0.0;
-         massData.I = 0.0;
-         return;
-      }
-      var centerX = 0.0;
-      var centerY = 0.0;
-      var area = 0.0;
-      var I = 0.0;
-      var p1X = 0.0;
-      var p1Y = 0.0;
-      var k_inv3 = 1.0 / 3.0;
-      for (var i = 0; i < this.m_vertexCount; ++i) {
-         var p2 = this.m_vertices[i];
-         var p3 = i + 1 < this.m_vertexCount ? this.m_vertices[parseInt(i + 1)] : this.m_vertices[0];
-         var e1X = p2.x - p1X;
-         var e1Y = p2.y - p1Y;
-         var e2X = p3.x - p1X;
-         var e2Y = p3.y - p1Y;
-         var D = e1X * e2Y - e1Y * e2X;
-         var triangleArea = 0.5 * D;area += triangleArea;
-         centerX += triangleArea * k_inv3 * (p1X + p2.x + p3.x);
-         centerY += triangleArea * k_inv3 * (p1Y + p2.y + p3.y);
-         var px = p1X;
-         var py = p1Y;
-         var ex1 = e1X;
-         var ey1 = e1Y;
-         var ex2 = e2X;
-         var ey2 = e2Y;
-         var intx2 = k_inv3 * (0.25 * (ex1 * ex1 + ex2 * ex1 + ex2 * ex2) + (px * ex1 + px * ex2)) + 0.5 * px * px;
-         var inty2 = k_inv3 * (0.25 * (ey1 * ey1 + ey2 * ey1 + ey2 * ey2) + (py * ey1 + py * ey2)) + 0.5 * py * py;I += D * (intx2 + inty2);
-      }
-      massData.mass = density * area;
-      centerX *= 1.0 / area;
-      centerY *= 1.0 / area;
-      massData.center.Set(centerX, centerY);
-      massData.I = density * I;
-   }
-   b2PolygonShape.prototype.ComputeSubmergedArea = function (normal, offset, xf, c) {
-      if (offset === undefined) offset = 0;
-      var normalL = b2Math.MulTMV(xf.R, normal);
-      var offsetL = offset - b2Math.Dot(normal, xf.position);
-      var depths = new Vector_a2j_Number();
-      var diveCount = 0;
-      var intoIndex = parseInt((-1));
-      var outoIndex = parseInt((-1));
-      var lastSubmerged = false;
-      var i = 0;
-      for (i = 0;
-      i < this.m_vertexCount; ++i) {
-         depths[i] = b2Math.Dot(normalL, this.m_vertices[i]) - offsetL;
-         var isSubmerged = depths[i] < (-Number.MIN_VALUE);
-         if (i > 0) {
-            if (isSubmerged) {
-               if (!lastSubmerged) {
-                  intoIndex = i - 1;
-                  diveCount++;
-               }
-            }
-            else {
-               if (lastSubmerged) {
-                  outoIndex = i - 1;
-                  diveCount++;
-               }
-            }
-         }
-         lastSubmerged = isSubmerged;
-      }
-      switch (diveCount) {
-      case 0:
-         if (lastSubmerged) {
-            var md = new b2MassData();
-            this.ComputeMass(md, 1);
-            c.SetV(b2Math.MulX(xf, md.center));
-            return md.mass;
-         }
-         else {
-            return 0;
-         }
-         break;
-      case 1:
-         if (intoIndex == (-1)) {
-            intoIndex = this.m_vertexCount - 1;
-         }
-         else {
-            outoIndex = this.m_vertexCount - 1;
-         }
-         break;
-      }
-      var intoIndex2 = parseInt((intoIndex + 1) % this.m_vertexCount);
-      var outoIndex2 = parseInt((outoIndex + 1) % this.m_vertexCount);
-      var intoLamdda = (0 - depths[intoIndex]) / (depths[intoIndex2] - depths[intoIndex]);
-      var outoLamdda = (0 - depths[outoIndex]) / (depths[outoIndex2] - depths[outoIndex]);
-      var intoVec = new b2Vec2(this.m_vertices[intoIndex].x * (1 - intoLamdda) + this.m_vertices[intoIndex2].x * intoLamdda, this.m_vertices[intoIndex].y * (1 - intoLamdda) + this.m_vertices[intoIndex2].y * intoLamdda);
-      var outoVec = new b2Vec2(this.m_vertices[outoIndex].x * (1 - outoLamdda) + this.m_vertices[outoIndex2].x * outoLamdda, this.m_vertices[outoIndex].y * (1 - outoLamdda) + this.m_vertices[outoIndex2].y * outoLamdda);
-      var area = 0;
-      var center = new b2Vec2();
-      var p2 = this.m_vertices[intoIndex2];
-      var p3;
-      i = intoIndex2;
-      while (i != outoIndex2) {
-         i = (i + 1) % this.m_vertexCount;
-         if (i == outoIndex2) p3 = outoVec;
-         else p3 = this.m_vertices[i];
-         var triangleArea = 0.5 * ((p2.x - intoVec.x) * (p3.y - intoVec.y) - (p2.y - intoVec.y) * (p3.x - intoVec.x));
-         area += triangleArea;
-         center.x += triangleArea * (intoVec.x + p2.x + p3.x) / 3;
-         center.y += triangleArea * (intoVec.y + p2.y + p3.y) / 3;
-         p2 = p3;
-      }
-      center.Multiply(1 / area);
-      c.SetV(b2Math.MulX(xf, center));
-      return area;
-   }
-   b2PolygonShape.prototype.GetVertexCount = function () {
-      return this.m_vertexCount;
-   }
-   b2PolygonShape.prototype.GetVertices = function () {
-      return this.m_vertices;
-   }
-   b2PolygonShape.prototype.GetNormals = function () {
-      return this.m_normals;
-   }
-   b2PolygonShape.prototype.GetSupport = function (d) {
-      var bestIndex = 0;
-      var bestValue = this.m_vertices[0].x * d.x + this.m_vertices[0].y * d.y;
-      for (var i = 1; i < this.m_vertexCount; ++i) {
-         var value = this.m_vertices[i].x * d.x + this.m_vertices[i].y * d.y;
-         if (value > bestValue) {
-            bestIndex = i;
-            bestValue = value;
-         }
-      }
-      return bestIndex;
-   }
-   b2PolygonShape.prototype.GetSupportVertex = function (d) {
-      var bestIndex = 0;
-      var bestValue = this.m_vertices[0].x * d.x + this.m_vertices[0].y * d.y;
-      for (var i = 1; i < this.m_vertexCount; ++i) {
-         var value = this.m_vertices[i].x * d.x + this.m_vertices[i].y * d.y;
-         if (value > bestValue) {
-            bestIndex = i;
-            bestValue = value;
-         }
-      }
-      return this.m_vertices[bestIndex];
-   }
-   b2PolygonShape.prototype.Validate = function () {
-      return false;
-   }
-   b2PolygonShape.prototype.b2PolygonShape = function () {
-      this.__super.b2Shape.call(this);
-      this.m_type = b2Shape.e_polygonShape;
-      this.m_centroid = new b2Vec2();
-      this.m_vertices = new Vector();
-      this.m_normals = new Vector();
-   }
-   b2PolygonShape.prototype.Reserve = function (count) {
-      if (count === undefined) count = 0;
-      for (var i = parseInt(this.m_vertices.length); i < count; i++) {
-         this.m_vertices[i] = new b2Vec2();
-         this.m_normals[i] = new b2Vec2();
-      }
-   }
-   b2PolygonShape.ComputeCentroid = function (vs, count) {
-      if (count === undefined) count = 0;
-      var c = new b2Vec2();
-      var area = 0.0;
-      var p1X = 0.0;
-      var p1Y = 0.0;
-      var inv3 = 1.0 / 3.0;
-      for (var i = 0; i < count; ++i) {
-         var p2 = vs[i];
-         var p3 = i + 1 < count ? vs[parseInt(i + 1)] : vs[0];
-         var e1X = p2.x - p1X;
-         var e1Y = p2.y - p1Y;
-         var e2X = p3.x - p1X;
-         var e2Y = p3.y - p1Y;
-         var D = (e1X * e2Y - e1Y * e2X);
-         var triangleArea = 0.5 * D;area += triangleArea;
-         c.x += triangleArea * inv3 * (p1X + p2.x + p3.x);
-         c.y += triangleArea * inv3 * (p1Y + p2.y + p3.y);
-      }
-      c.x *= 1.0 / area;
-      c.y *= 1.0 / area;
-      return c;
-   }
-   b2PolygonShape.ComputeOBB = function (obb, vs, count) {
-      if (count === undefined) count = 0;
-      var i = 0;
-      var p = new Vector(count + 1);
-      for (i = 0;
-      i < count; ++i) {
-         p[i] = vs[i];
-      }
-      p[count] = p[0];
-      var minArea = Number.MAX_VALUE;
-      for (i = 1;
-      i <= count; ++i) {
-         var root = p[parseInt(i - 1)];
-         var uxX = p[i].x - root.x;
-         var uxY = p[i].y - root.y;
-         var length = Math.sqrt(uxX * uxX + uxY * uxY);
-         uxX /= length;
-         uxY /= length;
-         var uyX = (-uxY);
-         var uyY = uxX;
-         var lowerX = Number.MAX_VALUE;
-         var lowerY = Number.MAX_VALUE;
-         var upperX = (-Number.MAX_VALUE);
-         var upperY = (-Number.MAX_VALUE);
-         for (var j = 0; j < count; ++j) {
-            var dX = p[j].x - root.x;
-            var dY = p[j].y - root.y;
-            var rX = (uxX * dX + uxY * dY);
-            var rY = (uyX * dX + uyY * dY);
-            if (rX < lowerX) lowerX = rX;
-            if (rY < lowerY) lowerY = rY;
-            if (rX > upperX) upperX = rX;
-            if (rY > upperY) upperY = rY;
-         }
-         var area = (upperX - lowerX) * (upperY - lowerY);
-         if (area < 0.95 * minArea) {
-            minArea = area;
-            obb.R.col1.x = uxX;
-            obb.R.col1.y = uxY;
-            obb.R.col2.x = uyX;
-            obb.R.col2.y = uyY;
-            var centerX = 0.5 * (lowerX + upperX);
-            var centerY = 0.5 * (lowerY + upperY);
-            var tMat = obb.R;
-            obb.center.x = root.x + (tMat.col1.x * centerX + tMat.col2.x * centerY);
-            obb.center.y = root.y + (tMat.col1.y * centerX + tMat.col2.y * centerY);
-            obb.extents.x = 0.5 * (upperX - lowerX);
-            obb.extents.y = 0.5 * (upperY - lowerY);
-         }
-      }
-   }
-   Box2D.postDefs.push(function () {
-      Box2D.Collision.Shapes.b2PolygonShape.s_mat = new b2Mat22();
-   });
-   b2Shape.b2Shape = function () {};
-   b2Shape.prototype.Copy = function () {
-      return null;
-   }
-   b2Shape.prototype.Set = function (other) {
-      this.m_radius = other.m_radius;
-   }
-   b2Shape.prototype.GetType = function () {
-      return this.m_type;
-   }
-   b2Shape.prototype.TestPoint = function (xf, p) {
-      return false;
-   }
-   b2Shape.prototype.RayCast = function (output, input, transform) {
-      return false;
-   }
-   b2Shape.prototype.ComputeAABB = function (aabb, xf) {}
-   b2Shape.prototype.ComputeMass = function (massData, density) {
-      if (density === undefined) density = 0;
-   }
-   b2Shape.prototype.ComputeSubmergedArea = function (normal, offset, xf, c) {
-      if (offset === undefined) offset = 0;
-      return 0;
-   }
-   b2Shape.TestOverlap = function (shape1, transform1, shape2, transform2) {
-      var input = new b2DistanceInput();
-      input.proxyA = new b2DistanceProxy();
-      input.proxyA.Set(shape1);
-      input.proxyB = new b2DistanceProxy();
-      input.proxyB.Set(shape2);
-      input.transformA = transform1;
-      input.transformB = transform2;
-      input.useRadii = true;
-      var simplexCache = new b2SimplexCache();
-      simplexCache.count = 0;
-      var output = new b2DistanceOutput();
-      b2Distance.Distance(output, simplexCache, input);
-      return output.distance < 10.0 * Number.MIN_VALUE;
-   }
-   b2Shape.prototype.b2Shape = function () {
-      this.m_type = b2Shape.e_unknownShape;
-      this.m_radius = b2Settings.b2_linearSlop;
-   }
-   Box2D.postDefs.push(function () {
-      Box2D.Collision.Shapes.b2Shape.e_unknownShape = parseInt((-1));
-      Box2D.Collision.Shapes.b2Shape.e_circleShape = 0;
-      Box2D.Collision.Shapes.b2Shape.e_polygonShape = 1;
-      Box2D.Collision.Shapes.b2Shape.e_edgeShape = 2;
-      Box2D.Collision.Shapes.b2Shape.e_shapeTypeCount = 3;
-      Box2D.Collision.Shapes.b2Shape.e_hitCollide = 1;
-      Box2D.Collision.Shapes.b2Shape.e_missCollide = 0;
-      Box2D.Collision.Shapes.b2Shape.e_startsInsideCollide = parseInt((-1));
-   });
-})();
-(function () {
-   var b2Color = Box2D.Common.b2Color,
-      b2internal = Box2D.Common.b2internal,
-      b2Settings = Box2D.Common.b2Settings,
-      b2Mat22 = Box2D.Common.Math.b2Mat22,
-      b2Mat33 = Box2D.Common.Math.b2Mat33,
-      b2Math = Box2D.Common.Math.b2Math,
-      b2Sweep = Box2D.Common.Math.b2Sweep,
-      b2Transform = Box2D.Common.Math.b2Transform,
-      b2Vec2 = Box2D.Common.Math.b2Vec2,
-      b2Vec3 = Box2D.Common.Math.b2Vec3;
-
-   b2Color.b2Color = function () {
-      this._r = 0;
-      this._g = 0;
-      this._b = 0;
-   };
-   b2Color.prototype.b2Color = function (rr, gg, bb) {
-      if (rr === undefined) rr = 0;
-      if (gg === undefined) gg = 0;
-      if (bb === undefined) bb = 0;
-      this._r = Box2D.parseUInt(255 * b2Math.Clamp(rr, 0.0, 1.0));
-      this._g = Box2D.parseUInt(255 * b2Math.Clamp(gg, 0.0, 1.0));
-      this._b = Box2D.parseUInt(255 * b2Math.Clamp(bb, 0.0, 1.0));
-   }
-   b2Color.prototype.Set = function (rr, gg, bb) {
-      if (rr === undefined) rr = 0;
-      if (gg === undefined) gg = 0;
-      if (bb === undefined) bb = 0;
-      this._r = Box2D.parseUInt(255 * b2Math.Clamp(rr, 0.0, 1.0));
-      this._g = Box2D.parseUInt(255 * b2Math.Clamp(gg, 0.0, 1.0));
-      this._b = Box2D.parseUInt(255 * b2Math.Clamp(bb, 0.0, 1.0));
-   }
-   Object.defineProperty(b2Color.prototype, 'r', {
-      enumerable: false,
-      configurable: true,
-      set: function (rr) {
-         if (rr === undefined) rr = 0;
-         this._r = Box2D.parseUInt(255 * b2Math.Clamp(rr, 0.0, 1.0));
-      }
-   });
-   Object.defineProperty(b2Color.prototype, 'g', {
-      enumerable: false,
-      configurable: true,
-      set: function (gg) {
-         if (gg === undefined) gg = 0;
-         this._g = Box2D.parseUInt(255 * b2Math.Clamp(gg, 0.0, 1.0));
-      }
-   });
-   Object.defineProperty(b2Color.prototype, 'b', {
-      enumerable: false,
-      configurable: true,
-      set: function (bb) {
-         if (bb === undefined) bb = 0;
-         this._b = Box2D.parseUInt(255 * b2Math.Clamp(bb, 0.0, 1.0));
-      }
-   });
-   Object.defineProperty(b2Color.prototype, 'color', {
-      enumerable: false,
-      configurable: true,
-      get: function () {
-         return (this._r << 16) | (this._g << 8) | (this._b);
-      }
-   });
-   b2Settings.b2Settings = function () {};
-   b2Settings.b2MixFriction = function (friction1, friction2) {
-      if (friction1 === undefined) friction1 = 0;
-      if (friction2 === undefined) friction2 = 0;
-      return Math.sqrt(friction1 * friction2);
-   }
-   b2Settings.b2MixRestitution = function (restitution1, restitution2) {
-      if (restitution1 === undefined) restitution1 = 0;
-      if (restitution2 === undefined) restitution2 = 0;
-      return restitution1 > restitution2 ? restitution1 : restitution2;
-   }
-   b2Settings.b2Assert = function (a) {
-      if (!a) {
-         throw "Assertion Failed";
-      }
-   }
-   Box2D.postDefs.push(function () {
-      Box2D.Common.b2Settings.VERSION = "2.1alpha";
-      Box2D.Common.b2Settings.USHRT_MAX = 0x0000ffff;
-      Box2D.Common.b2Settings.b2_pi = Math.PI;
-      Box2D.Common.b2Settings.b2_maxManifoldPoints = 2;
-      Box2D.Common.b2Settings.b2_aabbExtension = 0.1;
-      Box2D.Common.b2Settings.b2_aabbMultiplier = 2.0;
-      Box2D.Common.b2Settings.b2_polygonRadius = 2.0 * b2Settings.b2_linearSlop;
-      Box2D.Common.b2Settings.b2_linearSlop = 0.005;
-      Box2D.Common.b2Settings.b2_angularSlop = 2.0 / 180.0 * b2Settings.b2_pi;
-      Box2D.Common.b2Settings.b2_toiSlop = 8.0 * b2Settings.b2_linearSlop;
-      Box2D.Common.b2Settings.b2_maxTOIContactsPerIsland = 32;
-      Box2D.Common.b2Settings.b2_maxTOIJointsPerIsland = 32;
-      Box2D.Common.b2Settings.b2_velocityThreshold = 1.0;
-      Box2D.Common.b2Settings.b2_maxLinearCorrection = 0.2;
-      Box2D.Common.b2Settings.b2_maxAngularCorrection = 8.0 / 180.0 * b2Settings.b2_pi;
-      Box2D.Common.b2Settings.b2_maxTranslation = 2.0;
-      Box2D.Common.b2Settings.b2_maxTranslationSquared = b2Settings.b2_maxTranslation * b2Settings.b2_maxTranslation;
-      Box2D.Common.b2Settings.b2_maxRotation = 0.5 * b2Settings.b2_pi;
-      Box2D.Common.b2Settings.b2_maxRotationSquared = b2Settings.b2_maxRotation * b2Settings.b2_maxRotation;
-      Box2D.Common.b2Settings.b2_contactBaumgarte = 0.2;
-      Box2D.Common.b2Settings.b2_timeToSleep = 0.5;
-      Box2D.Common.b2Settings.b2_linearSleepTolerance = 0.01;
-      Box2D.Common.b2Settings.b2_angularSleepTolerance = 2.0 / 180.0 * b2Settings.b2_pi;
-   });
-})();
-(function () {
-   var b2AABB = Box2D.Collision.b2AABB,
-      b2Color = Box2D.Common.b2Color,
-      b2internal = Box2D.Common.b2internal,
-      b2Settings = Box2D.Common.b2Settings,
-      b2Mat22 = Box2D.Common.Math.b2Mat22,
-      b2Mat33 = Box2D.Common.Math.b2Mat33,
-      b2Math = Box2D.Common.Math.b2Math,
-      b2Sweep = Box2D.Common.Math.b2Sweep,
-      b2Transform = Box2D.Common.Math.b2Transform,
-      b2Vec2 = Box2D.Common.Math.b2Vec2,
-      b2Vec3 = Box2D.Common.Math.b2Vec3;
-
-   b2Mat22.b2Mat22 = function () {
-      this.col1 = new b2Vec2();
-      this.col2 = new b2Vec2();
-   };
-   b2Mat22.prototype.b2Mat22 = function () {
-      this.SetIdentity();
-   }
-   b2Mat22.FromAngle = function (angle) {
-      if (angle === undefined) angle = 0;
-      var mat = new b2Mat22();
-      mat.Set(angle);
-      return mat;
-   }
-   b2Mat22.FromVV = function (c1, c2) {
-      var mat = new b2Mat22();
-      mat.SetVV(c1, c2);
-      return mat;
-   }
-   b2Mat22.prototype.Set = function (angle) {
-      if (angle === undefined) angle = 0;
-      var c = Math.cos(angle);
-      var s = Math.sin(angle);
-      this.col1.x = c;
-      this.col2.x = (-s);
-      this.col1.y = s;
-      this.col2.y = c;
-   }
-   b2Mat22.prototype.SetVV = function (c1, c2) {
-      this.col1.SetV(c1);
-      this.col2.SetV(c2);
-   }
-   b2Mat22.prototype.Copy = function () {
-      var mat = new b2Mat22();
-      mat.SetM(this);
-      return mat;
-   }
-   b2Mat22.prototype.SetM = function (m) {
-      this.col1.SetV(m.col1);
-      this.col2.SetV(m.col2);
-   }
-   b2Mat22.prototype.AddM = function (m) {
-      this.col1.x += m.col1.x;
-      this.col1.y += m.col1.y;
-      this.col2.x += m.col2.x;
-      this.col2.y += m.col2.y;
-   }
-   b2Mat22.prototype.SetIdentity = function () {
-      this.col1.x = 1.0;
-      this.col2.x = 0.0;
-      this.col1.y = 0.0;
-      this.col2.y = 1.0;
-   }
-   b2Mat22.prototype.SetZero = function () {
-      this.col1.x = 0.0;
-      this.col2.x = 0.0;
-      this.col1.y = 0.0;
-      this.col2.y = 0.0;
-   }
-   b2Mat22.prototype.GetAngle = function () {
-      return Math.atan2(this.col1.y, this.col1.x);
-   }
-   b2Mat22.prototype.GetInverse = function (out) {
-      var a = this.col1.x;
-      var b = this.col2.x;
-      var c = this.col1.y;
-      var d = this.col2.y;
-      var det = a * d - b * c;
-      if (det != 0.0) {
-         det = 1.0 / det;
-      }
-      out.col1.x = det * d;
-      out.col2.x = (-det * b);
-      out.col1.y = (-det * c);
-      out.col2.y = det * a;
-      return out;
-   }
-   b2Mat22.prototype.Solve = function (out, bX, bY) {
-      if (bX === undefined) bX = 0;
-      if (bY === undefined) bY = 0;
-      var a11 = this.col1.x;
-      var a12 = this.col2.x;
-      var a21 = this.col1.y;
-      var a22 = this.col2.y;
-      var det = a11 * a22 - a12 * a21;
-      if (det != 0.0) {
-         det = 1.0 / det;
-      }
-      out.x = det * (a22 * bX - a12 * bY);
-      out.y = det * (a11 * bY - a21 * bX);
-      return out;
-   }
-   b2Mat22.prototype.Abs = function () {
-      this.col1.Abs();
-      this.col2.Abs();
-   }
-   b2Mat33.b2Mat33 = function () {
-      this.col1 = new b2Vec3();
-      this.col2 = new b2Vec3();
-      this.col3 = new b2Vec3();
-   };
-   b2Mat33.prototype.b2Mat33 = function (c1, c2, c3) {
-      if (c1 === undefined) c1 = null;
-      if (c2 === undefined) c2 = null;
-      if (c3 === undefined) c3 = null;
-      if (!c1 && !c2 && !c3) {
-         this.col1.SetZero();
-         this.col2.SetZero();
-         this.col3.SetZero();
-      }
-      else {
-         this.col1.SetV(c1);
-         this.col2.SetV(c2);
-         this.col3.SetV(c3);
-      }
-   }
-   b2Mat33.prototype.SetVVV = function (c1, c2, c3) {
-      this.col1.SetV(c1);
-      this.col2.SetV(c2);
-      this.col3.SetV(c3);
-   }
-   b2Mat33.prototype.Copy = function () {
-      return new b2Mat33(this.col1, this.col2, this.col3);
-   }
-   b2Mat33.prototype.SetM = function (m) {
-      this.col1.SetV(m.col1);
-      this.col2.SetV(m.col2);
-      this.col3.SetV(m.col3);
-   }
-   b2Mat33.prototype.AddM = function (m) {
-      this.col1.x += m.col1.x;
-      this.col1.y += m.col1.y;
-      this.col1.z += m.col1.z;
-      this.col2.x += m.col2.x;
-      this.col2.y += m.col2.y;
-      this.col2.z += m.col2.z;
-      this.col3.x += m.col3.x;
-      this.col3.y += m.col3.y;
-      this.col3.z += m.col3.z;
-   }
-   b2Mat33.prototype.SetIdentity = function () {
-      this.col1.x = 1.0;
-      this.col2.x = 0.0;
-      this.col3.x = 0.0;
-      this.col1.y = 0.0;
-      this.col2.y = 1.0;
-      this.col3.y = 0.0;
-      this.col1.z = 0.0;
-      this.col2.z = 0.0;
-      this.col3.z = 1.0;
-   }
-   b2Mat33.prototype.SetZero = function () {
-      this.col1.x = 0.0;
-      this.col2.x = 0.0;
-      this.col3.x = 0.0;
-      this.col1.y = 0.0;
-      this.col2.y = 0.0;
-      this.col3.y = 0.0;
-      this.col1.z = 0.0;
-      this.col2.z = 0.0;
-      this.col3.z = 0.0;
-   }
-   b2Mat33.prototype.Solve22 = function (out, bX, bY) {
-      if (bX === undefined) bX = 0;
-      if (bY === undefined) bY = 0;
-      var a11 = this.col1.x;
-      var a12 = this.col2.x;
-      var a21 = this.col1.y;
-      var a22 = this.col2.y;
-      var det = a11 * a22 - a12 * a21;
-      if (det != 0.0) {
-         det = 1.0 / det;
-      }
-      out.x = det * (a22 * bX - a12 * bY);
-      out.y = det * (a11 * bY - a21 * bX);
-      return out;
-   }
-   b2Mat33.prototype.Solve33 = function (out, bX, bY, bZ) {
-      if (bX === undefined) bX = 0;
-      if (bY === undefined) bY = 0;
-      if (bZ === undefined) bZ = 0;
-      var a11 = this.col1.x;
-      var a21 = this.col1.y;
-      var a31 = this.col1.z;
-      var a12 = this.col2.x;
-      var a22 = this.col2.y;
-      var a32 = this.col2.z;
-      var a13 = this.col3.x;
-      var a23 = this.col3.y;
-      var a33 = this.col3.z;
-      var det = a11 * (a22 * a33 - a32 * a23) + a21 * (a32 * a13 - a12 * a33) + a31 * (a12 * a23 - a22 * a13);
-      if (det != 0.0) {
-         det = 1.0 / det;
-      }
-      out.x = det * (bX * (a22 * a33 - a32 * a23) + bY * (a32 * a13 - a12 * a33) + bZ * (a12 * a23 - a22 * a13));
-      out.y = det * (a11 * (bY * a33 - bZ * a23) + a21 * (bZ * a13 - bX * a33) + a31 * (bX * a23 - bY * a13));
-      out.z = det * (a11 * (a22 * bZ - a32 * bY) + a21 * (a32 * bX - a12 * bZ) + a31 * (a12 * bY - a22 * bX));
-      return out;
-   }
-   b2Math.b2Math = function () {};
-   b2Math.IsValid = function (x) {
-      if (x === undefined) x = 0;
-      return isFinite(x);
-   }
-   b2Math.Dot = function (a, b) {
-      return a.x * b.x + a.y * b.y;
-   }
-   b2Math.CrossVV = function (a, b) {
-      return a.x * b.y - a.y * b.x;
-   }
-   b2Math.CrossVF = function (a, s) {
-      if (s === undefined) s = 0;
-      var v = new b2Vec2(s * a.y, (-s * a.x));
-      return v;
-   }
-   b2Math.CrossFV = function (s, a) {
-      if (s === undefined) s = 0;
-      var v = new b2Vec2((-s * a.y), s * a.x);
-      return v;
-   }
-   b2Math.MulMV = function (A, v) {
-      var u = new b2Vec2(A.col1.x * v.x + A.col2.x * v.y, A.col1.y * v.x + A.col2.y * v.y);
-      return u;
-   }
-   b2Math.MulTMV = function (A, v) {
-      var u = new b2Vec2(b2Math.Dot(v, A.col1), b2Math.Dot(v, A.col2));
-      return u;
-   }
-   b2Math.MulX = function (T, v) {
-      var a = b2Math.MulMV(T.R, v);
-      a.x += T.position.x;
-      a.y += T.position.y;
-      return a;
-   }
-   b2Math.MulXT = function (T, v) {
-      var a = b2Math.SubtractVV(v, T.position);
-      var tX = (a.x * T.R.col1.x + a.y * T.R.col1.y);
-      a.y = (a.x * T.R.col2.x + a.y * T.R.col2.y);
-      a.x = tX;
-      return a;
-   }
-   b2Math.AddVV = function (a, b) {
-      var v = new b2Vec2(a.x + b.x, a.y + b.y);
-      return v;
-   }
-   b2Math.SubtractVV = function (a, b) {
-      var v = new b2Vec2(a.x - b.x, a.y - b.y);
-      return v;
-   }
-   b2Math.Distance = function (a, b) {
-      var cX = a.x - b.x;
-      var cY = a.y - b.y;
-      return Math.sqrt(cX * cX + cY * cY);
-   }
-   b2Math.DistanceSquared = function (a, b) {
-      var cX = a.x - b.x;
-      var cY = a.y - b.y;
-      return (cX * cX + cY * cY);
-   }
-   b2Math.MulFV = function (s, a) {
-      if (s === undefined) s = 0;
-      var v = new b2Vec2(s * a.x, s * a.y);
-      return v;
-   }
-   b2Math.AddMM = function (A, B) {
-      var C = b2Mat22.FromVV(b2Math.AddVV(A.col1, B.col1), b2Math.AddVV(A.col2, B.col2));
-      return C;
-   }
-   b2Math.MulMM = function (A, B) {
-      var C = b2Mat22.FromVV(b2Math.MulMV(A, B.col1), b2Math.MulMV(A, B.col2));
-      return C;
-   }
-   b2Math.MulTMM = function (A, B) {
-      var c1 = new b2Vec2(b2Math.Dot(A.col1, B.col1), b2Math.Dot(A.col2, B.col1));
-      var c2 = new b2Vec2(b2Math.Dot(A.col1, B.col2), b2Math.Dot(A.col2, B.col2));
-      var C = b2Mat22.FromVV(c1, c2);
-      return C;
-   }
-   b2Math.Abs = function (a) {
-      if (a === undefined) a = 0;
-      return a > 0.0 ? a : (-a);
-   }
-   b2Math.AbsV = function (a) {
-      var b = new b2Vec2(b2Math.Abs(a.x), b2Math.Abs(a.y));
-      return b;
-   }
-   b2Math.AbsM = function (A) {
-      var B = b2Mat22.FromVV(b2Math.AbsV(A.col1), b2Math.AbsV(A.col2));
-      return B;
-   }
-   b2Math.Min = function (a, b) {
-      if (a === undefined) a = 0;
-      if (b === undefined) b = 0;
-      return a < b ? a : b;
-   }
-   b2Math.MinV = function (a, b) {
-      var c = new b2Vec2(b2Math.Min(a.x, b.x), b2Math.Min(a.y, b.y));
-      return c;
-   }
-   b2Math.Max = function (a, b) {
-      if (a === undefined) a = 0;
-      if (b === undefined) b = 0;
-      return a > b ? a : b;
-   }
-   b2Math.MaxV = function (a, b) {
-      var c = new b2Vec2(b2Math.Max(a.x, b.x), b2Math.Max(a.y, b.y));
-      return c;
-   }
-   b2Math.Clamp = function (a, low, high) {
-      if (a === undefined) a = 0;
-      if (low === undefined) low = 0;
-      if (high === undefined) high = 0;
-      return a < low ? low : a > high ? high : a;
-   }
-   b2Math.ClampV = function (a, low, high) {
-      return b2Math.MaxV(low, b2Math.MinV(a, high));
-   }
-   b2Math.Swap = function (a, b) {
-      var tmp = a[0];
-      a[0] = b[0];
-      b[0] = tmp;
-   }
-   b2Math.Random = function () {
-      return Math.random() * 2 - 1;
-   }
-   b2Math.RandomRange = function (lo, hi) {
-      if (lo === undefined) lo = 0;
-      if (hi === undefined) hi = 0;
-      var r = Math.random();
-      r = (hi - lo) * r + lo;
-      return r;
-   }
-   b2Math.NextPowerOfTwo = function (x) {
-      if (x === undefined) x = 0;
-      x |= (x >> 1) & 0x7FFFFFFF;
-      x |= (x >> 2) & 0x3FFFFFFF;
-      x |= (x >> 4) & 0x0FFFFFFF;
-      x |= (x >> 8) & 0x00FFFFFF;
-      x |= (x >> 16) & 0x0000FFFF;
-      return x + 1;
-   }
-   b2Math.IsPowerOfTwo = function (x) {
-      if (x === undefined) x = 0;
-      var result = x > 0 && (x & (x - 1)) == 0;
-      return result;
-   }
-   Box2D.postDefs.push(function () {
-      Box2D.Common.Math.b2Math.b2Vec2_zero = new b2Vec2(0.0, 0.0);
-      Box2D.Common.Math.b2Math.b2Mat22_identity = b2Mat22.FromVV(new b2Vec2(1.0, 0.0), new b2Vec2(0.0, 1.0));
-      Box2D.Common.Math.b2Math.b2Transform_identity = new b2Transform(b2Math.b2Vec2_zero, b2Math.b2Mat22_identity);
-   });
-   b2Sweep.b2Sweep = function () {
-      this.localCenter = new b2Vec2();
-      this.c0 = new b2Vec2;
-      this.c = new b2Vec2();
-   };
-   b2Sweep.prototype.Set = function (other) {
-      this.localCenter.SetV(other.localCenter);
-      this.c0.SetV(other.c0);
-      this.c.SetV(other.c);
-      this.a0 = other.a0;
-      this.a = other.a;
-      this.t0 = other.t0;
-   }
-   b2Sweep.prototype.Copy = function () {
-      var copy = new b2Sweep();
-      copy.localCenter.SetV(this.localCenter);
-      copy.c0.SetV(this.c0);
-      copy.c.SetV(this.c);
-      copy.a0 = this.a0;
-      copy.a = this.a;
-      copy.t0 = this.t0;
-      return copy;
-   }
-   b2Sweep.prototype.GetTransform = function (xf, alpha) {
-      if (alpha === undefined) alpha = 0;
-      xf.position.x = (1.0 - alpha) * this.c0.x + alpha * this.c.x;
-      xf.position.y = (1.0 - alpha) * this.c0.y + alpha * this.c.y;
-      var angle = (1.0 - alpha) * this.a0 + alpha * this.a;
-      xf.R.Set(angle);
-      var tMat = xf.R;
-      xf.position.x -= (tMat.col1.x * this.localCenter.x + tMat.col2.x * this.localCenter.y);
-      xf.position.y -= (tMat.col1.y * this.localCenter.x + tMat.col2.y * this.localCenter.y);
-   }
-   b2Sweep.prototype.Advance = function (t) {
-      if (t === undefined) t = 0;
-      if (this.t0 < t && 1.0 - this.t0 > Number.MIN_VALUE) {
-         var alpha = (t - this.t0) / (1.0 - this.t0);
-         this.c0.x = (1.0 - alpha) * this.c0.x + alpha * this.c.x;
-         this.c0.y = (1.0 - alpha) * this.c0.y + alpha * this.c.y;
-         this.a0 = (1.0 - alpha) * this.a0 + alpha * this.a;
-         this.t0 = t;
-      }
-   }
-   b2Transform.b2Transform = function () {
-      this.position = new b2Vec2;
-      this.R = new b2Mat22();
-   };
-   b2Transform.prototype.b2Transform = function (pos, r) {
-      if (pos === undefined) pos = null;
-      if (r === undefined) r = null;
-      if (pos) {
-         this.position.SetV(pos);
-         this.R.SetM(r);
-      }
-   }
-   b2Transform.prototype.Initialize = function (pos, r) {
-      this.position.SetV(pos);
-      this.R.SetM(r);
-   }
-   b2Transform.prototype.SetIdentity = function () {
-      this.position.SetZero();
-      this.R.SetIdentity();
-   }
-   b2Transform.prototype.Set = function (x) {
-      this.position.SetV(x.position);
-      this.R.SetM(x.R);
-   }
-   b2Transform.prototype.GetAngle = function () {
-      return Math.atan2(this.R.col1.y, this.R.col1.x);
-   }
-   b2Vec2.b2Vec2 = function () {};
-   b2Vec2.prototype.b2Vec2 = function (x_, y_) {
-      if (x_ === undefined) x_ = 0;
-      if (y_ === undefined) y_ = 0;
-      this.x = x_;
-      this.y = y_;
-   }
-   b2Vec2.prototype.SetZero = function () {
-      this.x = 0.0;
-      this.y = 0.0;
-   }
-   b2Vec2.prototype.Set = function (x_, y_) {
-      if (x_ === undefined) x_ = 0;
-      if (y_ === undefined) y_ = 0;
-      this.x = x_;
-      this.y = y_;
-   }
-   b2Vec2.prototype.SetV = function (v) {
-      this.x = v.x;
-      this.y = v.y;
-   }
-   b2Vec2.prototype.GetNegative = function () {
-      return new b2Vec2((-this.x), (-this.y));
-   }
-   b2Vec2.prototype.NegativeSelf = function () {
-      this.x = (-this.x);
-      this.y = (-this.y);
-   }
-   b2Vec2.Make = function (x_, y_) {
-      if (x_ === undefined) x_ = 0;
-      if (y_ === undefined) y_ = 0;
-      return new b2Vec2(x_, y_);
-   }
-   b2Vec2.prototype.Copy = function () {
-      return new b2Vec2(this.x, this.y);
-   }
-   b2Vec2.prototype.Add = function (v) {
-      this.x += v.x;
-      this.y += v.y;
-   }
-   b2Vec2.prototype.Subtract = function (v) {
-      this.x -= v.x;
-      this.y -= v.y;
-   }
-   b2Vec2.prototype.Multiply = function (a) {
-      if (a === undefined) a = 0;
-      this.x *= a;
-      this.y *= a;
-   }
-   b2Vec2.prototype.MulM = function (A) {
-      var tX = this.x;
-      this.x = A.col1.x * tX + A.col2.x * this.y;
-      this.y = A.col1.y * tX + A.col2.y * this.y;
-   }
-   b2Vec2.prototype.MulTM = function (A) {
-      var tX = b2Math.Dot(this, A.col1);
-      this.y = b2Math.Dot(this, A.col2);
-      this.x = tX;
-   }
-   b2Vec2.prototype.CrossVF = function (s) {
-      if (s === undefined) s = 0;
-      var tX = this.x;
-      this.x = s * this.y;
-      this.y = (-s * tX);
-   }
-   b2Vec2.prototype.CrossFV = function (s) {
-      if (s === undefined) s = 0;
-      var tX = this.x;
-      this.x = (-s * this.y);
-      this.y = s * tX;
-   }
-   b2Vec2.prototype.MinV = function (b) {
-      this.x = this.x < b.x ? this.x : b.x;
-      this.y = this.y < b.y ? this.y : b.y;
-   }
-   b2Vec2.prototype.MaxV = function (b) {
-      this.x = this.x > b.x ? this.x : b.x;
-      this.y = this.y > b.y ? this.y : b.y;
-   }
-   b2Vec2.prototype.Abs = function () {
-      if (this.x < 0) this.x = (-this.x);
-      if (this.y < 0) this.y = (-this.y);
-   }
-   b2Vec2.prototype.Length = function () {
-      return Math.sqrt(this.x * this.x + this.y * this.y);
-   }
-   b2Vec2.prototype.LengthSquared = function () {
-      return (this.x * this.x + this.y * this.y);
-   }
-   b2Vec2.prototype.Normalize = function () {
-      var length = Math.sqrt(this.x * this.x + this.y * this.y);
-      if (length < Number.MIN_VALUE) {
-         return 0.0;
-      }
-      var invLength = 1.0 / length;
-      this.x *= invLength;
-      this.y *= invLength;
-      return length;
-   }
-   b2Vec2.prototype.IsValid = function () {
-      return b2Math.IsValid(this.x) && b2Math.IsValid(this.y);
-   }
-   b2Vec3.b2Vec3 = function () {};
-   b2Vec3.prototype.b2Vec3 = function (x, y, z) {
-      if (x === undefined) x = 0;
-      if (y === undefined) y = 0;
-      if (z === undefined) z = 0;
-      this.x = x;
-      this.y = y;
-      this.z = z;
-   }
-   b2Vec3.prototype.SetZero = function () {
-      this.x = this.y = this.z = 0.0;
-   }
-   b2Vec3.prototype.Set = function (x, y, z) {
-      if (x === undefined) x = 0;
-      if (y === undefined) y = 0;
-      if (z === undefined) z = 0;
-      this.x = x;
-      this.y = y;
-      this.z = z;
-   }
-   b2Vec3.prototype.SetV = function (v) {
-      this.x = v.x;
-      this.y = v.y;
-      this.z = v.z;
-   }
-   b2Vec3.prototype.GetNegative = function () {
-      return new b2Vec3((-this.x), (-this.y), (-this.z));
-   }
-   b2Vec3.prototype.NegativeSelf = function () {
-      this.x = (-this.x);
-      this.y = (-this.y);
-      this.z = (-this.z);
-   }
-   b2Vec3.prototype.Copy = function () {
-      return new b2Vec3(this.x, this.y, this.z);
-   }
-   b2Vec3.prototype.Add = function (v) {
-      this.x += v.x;
-      this.y += v.y;
-      this.z += v.z;
-   }
-   b2Vec3.prototype.Subtract = function (v) {
-      this.x -= v.x;
-      this.y -= v.y;
-      this.z -= v.z;
-   }
-   b2Vec3.prototype.Multiply = function (a) {
-      if (a === undefined) a = 0;
-      this.x *= a;
-      this.y *= a;
-      this.z *= a;
-   }
-})();
-(function () {
-   var b2ControllerEdge = Box2D.Dynamics.Controllers.b2ControllerEdge,
-      b2Mat22 = Box2D.Common.Math.b2Mat22,
-      b2Mat33 = Box2D.Common.Math.b2Mat33,
-      b2Math = Box2D.Common.Math.b2Math,
-      b2Sweep = Box2D.Common.Math.b2Sweep,
-      b2Transform = Box2D.Common.Math.b2Transform,
-      b2Vec2 = Box2D.Common.Math.b2Vec2,
-      b2Vec3 = Box2D.Common.Math.b2Vec3,
-      b2Color = Box2D.Common.b2Color,
-      b2internal = Box2D.Common.b2internal,
-      b2Settings = Box2D.Common.b2Settings,
-      b2AABB = Box2D.Collision.b2AABB,
-      b2Bound = Box2D.Collision.b2Bound,
-      b2BoundValues = Box2D.Collision.b2BoundValues,
-      b2Collision = Box2D.Collision.b2Collision,
-      b2ContactID = Box2D.Collision.b2ContactID,
-      b2ContactPoint = Box2D.Collision.b2ContactPoint,
-      b2Distance = Box2D.Collision.b2Distance,
-      b2DistanceInput = Box2D.Collision.b2DistanceInput,
-      b2DistanceOutput = Box2D.Collision.b2DistanceOutput,
-      b2DistanceProxy = Box2D.Collision.b2DistanceProxy,
-      b2DynamicTree = Box2D.Collision.b2DynamicTree,
-      b2DynamicTreeBroadPhase = Box2D.Collision.b2DynamicTreeBroadPhase,
-      b2DynamicTreeNode = Box2D.Collision.b2DynamicTreeNode,
-      b2DynamicTreePair = Box2D.Collision.b2DynamicTreePair,
-      b2Manifold = Box2D.Collision.b2Manifold,
-      b2ManifoldPoint = Box2D.Collision.b2ManifoldPoint,
-      b2Point = Box2D.Collision.b2Point,
-      b2RayCastInput = Box2D.Collision.b2RayCastInput,
-      b2RayCastOutput = Box2D.Collision.b2RayCastOutput,
-      b2Segment = Box2D.Collision.b2Segment,
-      b2SeparationFunction = Box2D.Collision.b2SeparationFunction,
-      b2Simplex = Box2D.Collision.b2Simplex,
-      b2SimplexCache = Box2D.Collision.b2SimplexCache,
-      b2SimplexVertex = Box2D.Collision.b2SimplexVertex,
-      b2TimeOfImpact = Box2D.Collision.b2TimeOfImpact,
-      b2TOIInput = Box2D.Collision.b2TOIInput,
-      b2WorldManifold = Box2D.Collision.b2WorldManifold,
-      ClipVertex = Box2D.Collision.ClipVertex,
-      Features = Box2D.Collision.Features,
-      IBroadPhase = Box2D.Collision.IBroadPhase,
-      b2CircleShape = Box2D.Collision.Shapes.b2CircleShape,
-      b2EdgeChainDef = Box2D.Collision.Shapes.b2EdgeChainDef,
-      b2EdgeShape = Box2D.Collision.Shapes.b2EdgeShape,
-      b2MassData = Box2D.Collision.Shapes.b2MassData,
-      b2PolygonShape = Box2D.Collision.Shapes.b2PolygonShape,
-      b2Shape = Box2D.Collision.Shapes.b2Shape,
-      b2Body = Box2D.Dynamics.b2Body,
-      b2BodyDef = Box2D.Dynamics.b2BodyDef,
-      b2ContactFilter = Box2D.Dynamics.b2ContactFilter,
-      b2ContactImpulse = Box2D.Dynamics.b2ContactImpulse,
-      b2ContactListener = Box2D.Dynamics.b2ContactListener,
-      b2ContactManager = Box2D.Dynamics.b2ContactManager,
-      b2DebugDraw = Box2D.Dynamics.b2DebugDraw,
-      b2DestructionListener = Box2D.Dynamics.b2DestructionListener,
-      b2FilterData = Box2D.Dynamics.b2FilterData,
-      b2Fixture = Box2D.Dynamics.b2Fixture,
-      b2FixtureDef = Box2D.Dynamics.b2FixtureDef,
-      b2Island = Box2D.Dynamics.b2Island,
-      b2TimeStep = Box2D.Dynamics.b2TimeStep,
-      b2World = Box2D.Dynamics.b2World,
-      b2CircleContact = Box2D.Dynamics.Contacts.b2CircleContact,
-      b2Contact = Box2D.Dynamics.Contacts.b2Contact,
-      b2ContactConstraint = Box2D.Dynamics.Contacts.b2ContactConstraint,
-      b2ContactConstraintPoint = Box2D.Dynamics.Contacts.b2ContactConstraintPoint,
-      b2ContactEdge = Box2D.Dynamics.Contacts.b2ContactEdge,
-      b2ContactFactory = Box2D.Dynamics.Contacts.b2ContactFactory,
-      b2ContactRegister = Box2D.Dynamics.Contacts.b2ContactRegister,
-      b2ContactResult = Box2D.Dynamics.Contacts.b2ContactResult,
-      b2ContactSolver = Box2D.Dynamics.Contacts.b2ContactSolver,
-      b2EdgeAndCircleContact = Box2D.Dynamics.Contacts.b2EdgeAndCircleContact,
-      b2NullContact = Box2D.Dynamics.Contacts.b2NullContact,
-      b2PolyAndCircleContact = Box2D.Dynamics.Contacts.b2PolyAndCircleContact,
-      b2PolyAndEdgeContact = Box2D.Dynamics.Contacts.b2PolyAndEdgeContact,
-      b2PolygonContact = Box2D.Dynamics.Contacts.b2PolygonContact,
-      b2PositionSolverManifold = Box2D.Dynamics.Contacts.b2PositionSolverManifold,
-      b2Controller = Box2D.Dynamics.Controllers.b2Controller,
-      b2DistanceJoint = Box2D.Dynamics.Joints.b2DistanceJoint,
-      b2DistanceJointDef = Box2D.Dynamics.Joints.b2DistanceJointDef,
-      b2FrictionJoint = Box2D.Dynamics.Joints.b2FrictionJoint,
-      b2FrictionJointDef = Box2D.Dynamics.Joints.b2FrictionJointDef,
-      b2GearJoint = Box2D.Dynamics.Joints.b2GearJoint,
-      b2GearJointDef = Box2D.Dynamics.Joints.b2GearJointDef,
-      b2Jacobian = Box2D.Dynamics.Joints.b2Jacobian,
-      b2Joint = Box2D.Dynamics.Joints.b2Joint,
-      b2JointDef = Box2D.Dynamics.Joints.b2JointDef,
-      b2JointEdge = Box2D.Dynamics.Joints.b2JointEdge,
-      b2LineJoint = Box2D.Dynamics.Joints.b2LineJoint,
-      b2LineJointDef = Box2D.Dynamics.Joints.b2LineJointDef,
-      b2MouseJoint = Box2D.Dynamics.Joints.b2MouseJoint,
-      b2MouseJointDef = Box2D.Dynamics.Joints.b2MouseJointDef,
-      b2PrismaticJoint = Box2D.Dynamics.Joints.b2PrismaticJoint,
-      b2PrismaticJointDef = Box2D.Dynamics.Joints.b2PrismaticJointDef,
-      b2PulleyJoint = Box2D.Dynamics.Joints.b2PulleyJoint,
-      b2PulleyJointDef = Box2D.Dynamics.Joints.b2PulleyJointDef,
-      b2RevoluteJoint = Box2D.Dynamics.Joints.b2RevoluteJoint,
-      b2RevoluteJointDef = Box2D.Dynamics.Joints.b2RevoluteJointDef,
-      b2WeldJoint = Box2D.Dynamics.Joints.b2WeldJoint,
-      b2WeldJointDef = Box2D.Dynamics.Joints.b2WeldJointDef;
-
-   b2Body.b2Body = function () {
-      this.m_xf = new b2Transform();
-      this.m_sweep = new b2Sweep();
-      this.m_linearVelocity = new b2Vec2();
-      this.m_force = new b2Vec2();
-   };
-   b2Body.prototype.connectEdges = function (s1, s2, angle1) {
-      if (angle1 === undefined) angle1 = 0;
-      var angle2 = Math.atan2(s2.GetDirectionVector().y, s2.GetDirectionVector().x);
-      var coreOffset = Math.tan((angle2 - angle1) * 0.5);
-      var core = b2Math.MulFV(coreOffset, s2.GetDirectionVector());
-      core = b2Math.SubtractVV(core, s2.GetNormalVector());
-      core = b2Math.MulFV(b2Settings.b2_toiSlop, core);
-      core = b2Math.AddVV(core, s2.GetVertex1());
-      var cornerDir = b2Math.AddVV(s1.GetDirectionVector(), s2.GetDirectionVector());
-      cornerDir.Normalize();
-      var convex = b2Math.Dot(s1.GetDirectionVector(), s2.GetNormalVector()) > 0.0;
-      s1.SetNextEdge(s2, core, cornerDir, convex);
-      s2.SetPrevEdge(s1, core, cornerDir, convex);
-      return angle2;
-   }
-   b2Body.prototype.CreateFixture = function (def) {
-      if (this.m_world.IsLocked() == true) {
-         return null;
-      }
-      var fixture = new b2Fixture();
-      fixture.Create(this, this.m_xf, def);
-      if (this.m_flags & b2Body.e_activeFlag) {
-         var broadPhase = this.m_world.m_contactManager.m_broadPhase;
-         fixture.CreateProxy(broadPhase, this.m_xf);
-      }
-      fixture.m_next = this.m_fixtureList;
-      this.m_fixtureList = fixture;
-      ++this.m_fixtureCount;
-      fixture.m_body = this;
-      if (fixture.m_density > 0.0) {
-         this.ResetMassData();
-      }
-      this.m_world.m_flags |= b2World.e_newFixture;
-      return fixture;
-   }
-   b2Body.prototype.CreateFixture2 = function (shape, density) {
-      if (density === undefined) density = 0.0;
-      var def = new b2FixtureDef();
-      def.shape = shape;
-      def.density = density;
-      return this.CreateFixture(def);
-   }
-   b2Body.prototype.DestroyFixture = function (fixture) {
-      if (this.m_world.IsLocked() == true) {
-         return;
-      }
-      var node = this.m_fixtureList;
-      var ppF = null;
-      var found = false;
-      while (node != null) {
-         if (node == fixture) {
-            if (ppF) ppF.m_next = fixture.m_next;
-            else this.m_fixtureList = fixture.m_next;
-            found = true;
-            break;
-         }
-         ppF = node;
-         node = node.m_next;
-      }
-      var edge = this.m_contactList;
-      while (edge) {
-         var c = edge.contact;
-         edge = edge.next;
-         var fixtureA = c.GetFixtureA();
-         var fixtureB = c.GetFixtureB();
-         if (fixture == fixtureA || fixture == fixtureB) {
-            this.m_world.m_contactManager.Destroy(c);
-         }
-      }
-      if (this.m_flags & b2Body.e_activeFlag) {
-         var broadPhase = this.m_world.m_contactManager.m_broadPhase;
-         fixture.DestroyProxy(broadPhase);
-      }
-      else {}
-      fixture.Destroy();
-      fixture.m_body = null;
-      fixture.m_next = null;
-      --this.m_fixtureCount;
-      this.ResetMassData();
-   }
-   b2Body.prototype.SetPositionAndAngle = function (position, angle) {
-      if (angle === undefined) angle = 0;
-      var f;
-      if (this.m_world.IsLocked() == true) {
-         return;
-      }
-      this.m_xf.R.Set(angle);
-      this.m_xf.position.SetV(position);
-      var tMat = this.m_xf.R;
-      var tVec = this.m_sweep.localCenter;
-      this.m_sweep.c.x = (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-      this.m_sweep.c.y = (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-      this.m_sweep.c.x += this.m_xf.position.x;
-      this.m_sweep.c.y += this.m_xf.position.y;
-      this.m_sweep.c0.SetV(this.m_sweep.c);
-      this.m_sweep.a0 = this.m_sweep.a = angle;
-      var broadPhase = this.m_world.m_contactManager.m_broadPhase;
-      for (f = this.m_fixtureList;
-      f; f = f.m_next) {
-         f.Synchronize(broadPhase, this.m_xf, this.m_xf);
-      }
-      this.m_world.m_contactManager.FindNewContacts();
-   }
-   b2Body.prototype.SetTransform = function (xf) {
-      this.SetPositionAndAngle(xf.position, xf.GetAngle());
-   }
-   b2Body.prototype.GetTransform = function () {
-      return this.m_xf;
-   }
-   b2Body.prototype.GetPosition = function () {
-      return this.m_xf.position;
-   }
-   b2Body.prototype.SetPosition = function (position) {
-      this.SetPositionAndAngle(position, this.GetAngle());
-   }
-   b2Body.prototype.GetAngle = function () {
-      return this.m_sweep.a;
-   }
-   b2Body.prototype.SetAngle = function (angle) {
-      if (angle === undefined) angle = 0;
-      this.SetPositionAndAngle(this.GetPosition(), angle);
-   }
-   b2Body.prototype.GetWorldCenter = function () {
-      return this.m_sweep.c;
-   }
-   b2Body.prototype.GetLocalCenter = function () {
-      return this.m_sweep.localCenter;
-   }
-   b2Body.prototype.SetLinearVelocity = function (v) {
-      if (this.m_type == b2Body.b2_staticBody) {
-         return;
-      }
-      this.m_linearVelocity.SetV(v);
-   }
-   b2Body.prototype.GetLinearVelocity = function () {
-      return this.m_linearVelocity;
-   }
-   b2Body.prototype.SetAngularVelocity = function (omega) {
-      if (omega === undefined) omega = 0;
-      if (this.m_type == b2Body.b2_staticBody) {
-         return;
-      }
-      this.m_angularVelocity = omega;
-   }
-   b2Body.prototype.GetAngularVelocity = function () {
-      return this.m_angularVelocity;
-   }
-   b2Body.prototype.GetDefinition = function () {
-      var bd = new b2BodyDef();
-      bd.type = this.GetType();
-      bd.allowSleep = (this.m_flags & b2Body.e_allowSleepFlag) == b2Body.e_allowSleepFlag;
-      bd.angle = this.GetAngle();
-      bd.angularDamping = this.m_angularDamping;
-      bd.angularVelocity = this.m_angularVelocity;
-      bd.fixedRotation = (this.m_flags & b2Body.e_fixedRotationFlag) == b2Body.e_fixedRotationFlag;
-      bd.bullet = (this.m_flags & b2Body.e_bulletFlag) == b2Body.e_bulletFlag;
-      bd.awake = (this.m_flags & b2Body.e_awakeFlag) == b2Body.e_awakeFlag;
-      bd.linearDamping = this.m_linearDamping;
-      bd.linearVelocity.SetV(this.GetLinearVelocity());
-      bd.position = this.GetPosition();
-      bd.userData = this.GetUserData();
-      return bd;
-   }
-   b2Body.prototype.ApplyForce = function (force, point) {
-      if (this.m_type != b2Body.b2_dynamicBody) {
-         return;
-      }
-      if (this.IsAwake() == false) {
-         this.SetAwake(true);
-      }
-      this.m_force.x += force.x;
-      this.m_force.y += force.y;
-      this.m_torque += ((point.x - this.m_sweep.c.x) * force.y - (point.y - this.m_sweep.c.y) * force.x);
-   }
-   b2Body.prototype.ApplyTorque = function (torque) {
-      if (torque === undefined) torque = 0;
-      if (this.m_type != b2Body.b2_dynamicBody) {
-         return;
-      }
-      if (this.IsAwake() == false) {
-         this.SetAwake(true);
-      }
-      this.m_torque += torque;
-   }
-   b2Body.prototype.ApplyImpulse = function (impulse, point) {
-      if (this.m_type != b2Body.b2_dynamicBody) {
-         return;
-      }
-      if (this.IsAwake() == false) {
-         this.SetAwake(true);
-      }
-      this.m_linearVelocity.x += this.m_invMass * impulse.x;
-      this.m_linearVelocity.y += this.m_invMass * impulse.y;
-      this.m_angularVelocity += this.m_invI * ((point.x - this.m_sweep.c.x) * impulse.y - (point.y - this.m_sweep.c.y) * impulse.x);
-   }
-   b2Body.prototype.Split = function (callback) {
-      var linearVelocity = this.GetLinearVelocity().Copy();
-      var angularVelocity = this.GetAngularVelocity();
-      var center = this.GetWorldCenter();
-      var body1 = this;
-      var body2 = this.m_world.CreateBody(this.GetDefinition());
-      var prev;
-      for (var f = body1.m_fixtureList; f;) {
-         if (callback(f)) {
-            var next = f.m_next;
-            if (prev) {
-               prev.m_next = next;
-            }
-            else {
-               body1.m_fixtureList = next;
-            }
-            body1.m_fixtureCount--;
-            f.m_next = body2.m_fixtureList;
-            body2.m_fixtureList = f;
-            body2.m_fixtureCount++;
-            f.m_body = body2;
-            f = next;
-         }
-         else {
-            prev = f;
-            f = f.m_next;
-         }
-      }
-      body1.ResetMassData();
-      body2.ResetMassData();
-      var center1 = body1.GetWorldCenter();
-      var center2 = body2.GetWorldCenter();
-      var velocity1 = b2Math.AddVV(linearVelocity, b2Math.CrossFV(angularVelocity, b2Math.SubtractVV(center1, center)));
-      var velocity2 = b2Math.AddVV(linearVelocity, b2Math.CrossFV(angularVelocity, b2Math.SubtractVV(center2, center)));
-      body1.SetLinearVelocity(velocity1);
-      body2.SetLinearVelocity(velocity2);
-      body1.SetAngularVelocity(angularVelocity);
-      body2.SetAngularVelocity(angularVelocity);
-      body1.SynchronizeFixtures();
-      body2.SynchronizeFixtures();
-      return body2;
-   }
-   b2Body.prototype.Merge = function (other) {
-      var f;
-      for (f = other.m_fixtureList;
-      f;) {
-         var next = f.m_next;
-         other.m_fixtureCount--;
-         f.m_next = this.m_fixtureList;
-         this.m_fixtureList = f;
-         this.m_fixtureCount++;
-         f.m_body = body2;
-         f = next;
-      }
-      body1.m_fixtureCount = 0;
-      var body1 = this;
-      var body2 = other;
-      var center1 = body1.GetWorldCenter();
-      var center2 = body2.GetWorldCenter();
-      var velocity1 = body1.GetLinearVelocity().Copy();
-      var velocity2 = body2.GetLinearVelocity().Copy();
-      var angular1 = body1.GetAngularVelocity();
-      var angular = body2.GetAngularVelocity();
-      body1.ResetMassData();
-      this.SynchronizeFixtures();
-   }
-   b2Body.prototype.GetMass = function () {
-      return this.m_mass;
-   }
-   b2Body.prototype.GetInertia = function () {
-      return this.m_I;
-   }
-   b2Body.prototype.GetMassData = function (data) {
-      data.mass = this.m_mass;
-      data.I = this.m_I;
-      data.center.SetV(this.m_sweep.localCenter);
-   }
-   b2Body.prototype.SetMassData = function (massData) {
-      b2Settings.b2Assert(this.m_world.IsLocked() == false);
-      if (this.m_world.IsLocked() == true) {
-         return;
-      }
-      if (this.m_type != b2Body.b2_dynamicBody) {
-         return;
-      }
-      this.m_invMass = 0.0;
-      this.m_I = 0.0;
-      this.m_invI = 0.0;
-      this.m_mass = massData.mass;
-      if (this.m_mass <= 0.0) {
-         this.m_mass = 1.0;
-      }
-      this.m_invMass = 1.0 / this.m_mass;
-      if (massData.I > 0.0 && (this.m_flags & b2Body.e_fixedRotationFlag) == 0) {
-         this.m_I = massData.I - this.m_mass * (massData.center.x * massData.center.x + massData.center.y * massData.center.y);
-         this.m_invI = 1.0 / this.m_I;
-      }
-      var oldCenter = this.m_sweep.c.Copy();
-      this.m_sweep.localCenter.SetV(massData.center);
-      this.m_sweep.c0.SetV(b2Math.MulX(this.m_xf, this.m_sweep.localCenter));
-      this.m_sweep.c.SetV(this.m_sweep.c0);
-      this.m_linearVelocity.x += this.m_angularVelocity * (-(this.m_sweep.c.y - oldCenter.y));
-      this.m_linearVelocity.y += this.m_angularVelocity * (+(this.m_sweep.c.x - oldCenter.x));
-   }
-   b2Body.prototype.ResetMassData = function () {
-      this.m_mass = 0.0;
-      this.m_invMass = 0.0;
-      this.m_I = 0.0;
-      this.m_invI = 0.0;
-      this.m_sweep.localCenter.SetZero();
-      if (this.m_type == b2Body.b2_staticBody || this.m_type == b2Body.b2_kinematicBody) {
-         return;
-      }
-      var center = b2Vec2.Make(0, 0);
-      for (var f = this.m_fixtureList; f; f = f.m_next) {
-         if (f.m_density == 0.0) {
-            continue;
-         }
-         var massData = f.GetMassData();
-         this.m_mass += massData.mass;
-         center.x += massData.center.x * massData.mass;
-         center.y += massData.center.y * massData.mass;
-         this.m_I += massData.I;
-      }
-      if (this.m_mass > 0.0) {
-         this.m_invMass = 1.0 / this.m_mass;
-         center.x *= this.m_invMass;
-         center.y *= this.m_invMass;
-      }
-      else {
-         this.m_mass = 1.0;
-         this.m_invMass = 1.0;
-      }
-      if (this.m_I > 0.0 && (this.m_flags & b2Body.e_fixedRotationFlag) == 0) {
-         this.m_I -= this.m_mass * (center.x * center.x + center.y * center.y);
-         this.m_I *= this.m_inertiaScale;
-         b2Settings.b2Assert(this.m_I > 0);
-         this.m_invI = 1.0 / this.m_I;
-      }
-      else {
-         this.m_I = 0.0;
-         this.m_invI = 0.0;
-      }
-      var oldCenter = this.m_sweep.c.Copy();
-      this.m_sweep.localCenter.SetV(center);
-      this.m_sweep.c0.SetV(b2Math.MulX(this.m_xf, this.m_sweep.localCenter));
-      this.m_sweep.c.SetV(this.m_sweep.c0);
-      this.m_linearVelocity.x += this.m_angularVelocity * (-(this.m_sweep.c.y - oldCenter.y));
-      this.m_linearVelocity.y += this.m_angularVelocity * (+(this.m_sweep.c.x - oldCenter.x));
-   }
-   b2Body.prototype.GetWorldPoint = function (localPoint) {
-      var A = this.m_xf.R;
-      var u = new b2Vec2(A.col1.x * localPoint.x + A.col2.x * localPoint.y, A.col1.y * localPoint.x + A.col2.y * localPoint.y);
-      u.x += this.m_xf.position.x;
-      u.y += this.m_xf.position.y;
-      return u;
-   }
-   b2Body.prototype.GetWorldVector = function (localVector) {
-      return b2Math.MulMV(this.m_xf.R, localVector);
-   }
-   b2Body.prototype.GetLocalPoint = function (worldPoint) {
-      return b2Math.MulXT(this.m_xf, worldPoint);
-   }
-   b2Body.prototype.GetLocalVector = function (worldVector) {
-      return b2Math.MulTMV(this.m_xf.R, worldVector);
-   }
-   b2Body.prototype.GetLinearVelocityFromWorldPoint = function (worldPoint) {
-      return new b2Vec2(this.m_linearVelocity.x - this.m_angularVelocity * (worldPoint.y - this.m_sweep.c.y), this.m_linearVelocity.y + this.m_angularVelocity * (worldPoint.x - this.m_sweep.c.x));
-   }
-   b2Body.prototype.GetLinearVelocityFromLocalPoint = function (localPoint) {
-      var A = this.m_xf.R;
-      var worldPoint = new b2Vec2(A.col1.x * localPoint.x + A.col2.x * localPoint.y, A.col1.y * localPoint.x + A.col2.y * localPoint.y);
-      worldPoint.x += this.m_xf.position.x;
-      worldPoint.y += this.m_xf.position.y;
-      return new b2Vec2(this.m_linearVelocity.x - this.m_angularVelocity * (worldPoint.y - this.m_sweep.c.y), this.m_linearVelocity.y + this.m_angularVelocity * (worldPoint.x - this.m_sweep.c.x));
-   }
-   b2Body.prototype.GetLinearDamping = function () {
-      return this.m_linearDamping;
-   }
-   b2Body.prototype.SetLinearDamping = function (linearDamping) {
-      if (linearDamping === undefined) linearDamping = 0;
-      this.m_linearDamping = linearDamping;
-   }
-   b2Body.prototype.GetAngularDamping = function () {
-      return this.m_angularDamping;
-   }
-   b2Body.prototype.SetAngularDamping = function (angularDamping) {
-      if (angularDamping === undefined) angularDamping = 0;
-      this.m_angularDamping = angularDamping;
-   }
-   b2Body.prototype.SetType = function (type) {
-      if (type === undefined) type = 0;
-      if (this.m_type == type) {
-         return;
-      }
-      this.m_type = type;
-      this.ResetMassData();
-      if (this.m_type == b2Body.b2_staticBody) {
-         this.m_linearVelocity.SetZero();
-         this.m_angularVelocity = 0.0;
-      }
-      this.SetAwake(true);
-      this.m_force.SetZero();
-      this.m_torque = 0.0;
-      for (var ce = this.m_contactList; ce; ce = ce.next) {
-         ce.contact.FlagForFiltering();
-      }
-   }
-   b2Body.prototype.GetType = function () {
-      return this.m_type;
-   }
-   b2Body.prototype.SetBullet = function (flag) {
-      if (flag) {
-         this.m_flags |= b2Body.e_bulletFlag;
-      }
-      else {
-         this.m_flags &= ~b2Body.e_bulletFlag;
-      }
-   }
-   b2Body.prototype.IsBullet = function () {
-      return (this.m_flags & b2Body.e_bulletFlag) == b2Body.e_bulletFlag;
-   }
-   b2Body.prototype.SetSleepingAllowed = function (flag) {
-      if (flag) {
-         this.m_flags |= b2Body.e_allowSleepFlag;
-      }
-      else {
-         this.m_flags &= ~b2Body.e_allowSleepFlag;
-         this.SetAwake(true);
-      }
-   }
-   b2Body.prototype.SetAwake = function (flag) {
-      if (flag) {
-         this.m_flags |= b2Body.e_awakeFlag;
-         this.m_sleepTime = 0.0;
-      }
-      else {
-         this.m_flags &= ~b2Body.e_awakeFlag;
-         this.m_sleepTime = 0.0;
-         this.m_linearVelocity.SetZero();
-         this.m_angularVelocity = 0.0;
-         this.m_force.SetZero();
-         this.m_torque = 0.0;
-      }
-   }
-   b2Body.prototype.IsAwake = function () {
-      return (this.m_flags & b2Body.e_awakeFlag) == b2Body.e_awakeFlag;
-   }
-   b2Body.prototype.SetFixedRotation = function (fixed) {
-      if (fixed) {
-         this.m_flags |= b2Body.e_fixedRotationFlag;
-      }
-      else {
-         this.m_flags &= ~b2Body.e_fixedRotationFlag;
-      }
-      this.ResetMassData();
-   }
-   b2Body.prototype.IsFixedRotation = function () {
-      return (this.m_flags & b2Body.e_fixedRotationFlag) == b2Body.e_fixedRotationFlag;
-   }
-   b2Body.prototype.SetActive = function (flag) {
-      if (flag == this.IsActive()) {
-         return;
-      }
-      var broadPhase;
-      var f;
-      if (flag) {
-         this.m_flags |= b2Body.e_activeFlag;
-         broadPhase = this.m_world.m_contactManager.m_broadPhase;
-         for (f = this.m_fixtureList;
-         f; f = f.m_next) {
-            f.CreateProxy(broadPhase, this.m_xf);
-         }
-      }
-      else {
-         this.m_flags &= ~b2Body.e_activeFlag;
-         broadPhase = this.m_world.m_contactManager.m_broadPhase;
-         for (f = this.m_fixtureList;
-         f; f = f.m_next) {
-            f.DestroyProxy(broadPhase);
-         }
-         var ce = this.m_contactList;
-         while (ce) {
-            var ce0 = ce;
-            ce = ce.next;
-            this.m_world.m_contactManager.Destroy(ce0.contact);
-         }
-         this.m_contactList = null;
-      }
-   }
-   b2Body.prototype.IsActive = function () {
-      return (this.m_flags & b2Body.e_activeFlag) == b2Body.e_activeFlag;
-   }
-   b2Body.prototype.IsSleepingAllowed = function () {
-      return (this.m_flags & b2Body.e_allowSleepFlag) == b2Body.e_allowSleepFlag;
-   }
-   b2Body.prototype.GetFixtureList = function () {
-      return this.m_fixtureList;
-   }
-   b2Body.prototype.GetJointList = function () {
-      return this.m_jointList;
-   }
-   b2Body.prototype.GetControllerList = function () {
-      return this.m_controllerList;
-   }
-   b2Body.prototype.GetContactList = function () {
-      return this.m_contactList;
-   }
-   b2Body.prototype.GetNext = function () {
-      return this.m_next;
-   }
-   b2Body.prototype.GetUserData = function () {
-      return this.m_userData;
-   }
-   b2Body.prototype.SetUserData = function (data) {
-      this.m_userData = data;
-   }
-   b2Body.prototype.GetWorld = function () {
-      return this.m_world;
-   }
-   b2Body.prototype.b2Body = function (bd, world) {
-      this.m_flags = 0;
-      if (bd.bullet) {
-         this.m_flags |= b2Body.e_bulletFlag;
-      }
-      if (bd.fixedRotation) {
-         this.m_flags |= b2Body.e_fixedRotationFlag;
-      }
-      if (bd.allowSleep) {
-         this.m_flags |= b2Body.e_allowSleepFlag;
-      }
-      if (bd.awake) {
-         this.m_flags |= b2Body.e_awakeFlag;
-      }
-      if (bd.active) {
-         this.m_flags |= b2Body.e_activeFlag;
-      }
-      this.m_world = world;
-      this.m_xf.position.SetV(bd.position);
-      this.m_xf.R.Set(bd.angle);
-      this.m_sweep.localCenter.SetZero();
-      this.m_sweep.t0 = 1.0;
-      this.m_sweep.a0 = this.m_sweep.a = bd.angle;
-      var tMat = this.m_xf.R;
-      var tVec = this.m_sweep.localCenter;
-      this.m_sweep.c.x = (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-      this.m_sweep.c.y = (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-      this.m_sweep.c.x += this.m_xf.position.x;
-      this.m_sweep.c.y += this.m_xf.position.y;
-      this.m_sweep.c0.SetV(this.m_sweep.c);
-      this.m_jointList = null;
-      this.m_controllerList = null;
-      this.m_contactList = null;
-      this.m_controllerCount = 0;
-      this.m_prev = null;
-      this.m_next = null;
-      this.m_linearVelocity.SetV(bd.linearVelocity);
-      this.m_angularVelocity = bd.angularVelocity;
-      this.m_linearDamping = bd.linearDamping;
-      this.m_angularDamping = bd.angularDamping;
-      this.m_force.Set(0.0, 0.0);
-      this.m_torque = 0.0;
-      this.m_sleepTime = 0.0;
-      this.m_type = bd.type;
-      if (this.m_type == b2Body.b2_dynamicBody) {
-         this.m_mass = 1.0;
-         this.m_invMass = 1.0;
-      }
-      else {
-         this.m_mass = 0.0;
-         this.m_invMass = 0.0;
-      }
-      this.m_I = 0.0;
-      this.m_invI = 0.0;
-      this.m_inertiaScale = bd.inertiaScale;
-      this.m_userData = bd.userData;
-      this.m_fixtureList = null;
-      this.m_fixtureCount = 0;
-   }
-   b2Body.prototype.SynchronizeFixtures = function () {
-      var xf1 = b2Body.s_xf1;
-      xf1.R.Set(this.m_sweep.a0);
-      var tMat = xf1.R;
-      var tVec = this.m_sweep.localCenter;
-      xf1.position.x = this.m_sweep.c0.x - (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-      xf1.position.y = this.m_sweep.c0.y - (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-      var f;
-      var broadPhase = this.m_world.m_contactManager.m_broadPhase;
-      for (f = this.m_fixtureList;
-      f; f = f.m_next) {
-         f.Synchronize(broadPhase, xf1, this.m_xf);
-      }
-   }
-   b2Body.prototype.SynchronizeTransform = function () {
-      this.m_xf.R.Set(this.m_sweep.a);
-      var tMat = this.m_xf.R;
-      var tVec = this.m_sweep.localCenter;
-      this.m_xf.position.x = this.m_sweep.c.x - (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-      this.m_xf.position.y = this.m_sweep.c.y - (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-   }
-   b2Body.prototype.ShouldCollide = function (other) {
-      if (this.m_type != b2Body.b2_dynamicBody && other.m_type != b2Body.b2_dynamicBody) {
-         return false;
-      }
-      for (var jn = this.m_jointList; jn; jn = jn.next) {
-         if (jn.other == other) if (jn.joint.m_collideConnected == false) {
-            return false;
-         }
-      }
-      return true;
-   }
-   b2Body.prototype.Advance = function (t) {
-      if (t === undefined) t = 0;
-      this.m_sweep.Advance(t);
-      this.m_sweep.c.SetV(this.m_sweep.c0);
-      this.m_sweep.a = this.m_sweep.a0;
-      this.SynchronizeTransform();
-   }
-   Box2D.postDefs.push(function () {
-      Box2D.Dynamics.b2Body.s_xf1 = new b2Transform();
-      Box2D.Dynamics.b2Body.e_islandFlag = 0x0001;
-      Box2D.Dynamics.b2Body.e_awakeFlag = 0x0002;
-      Box2D.Dynamics.b2Body.e_allowSleepFlag = 0x0004;
-      Box2D.Dynamics.b2Body.e_bulletFlag = 0x0008;
-      Box2D.Dynamics.b2Body.e_fixedRotationFlag = 0x0010;
-      Box2D.Dynamics.b2Body.e_activeFlag = 0x0020;
-      Box2D.Dynamics.b2Body.b2_staticBody = 0;
-      Box2D.Dynamics.b2Body.b2_kinematicBody = 1;
-      Box2D.Dynamics.b2Body.b2_dynamicBody = 2;
-   });
-   b2BodyDef.b2BodyDef = function () {
-      this.position = new b2Vec2();
-      this.linearVelocity = new b2Vec2();
-   };
-   b2BodyDef.prototype.b2BodyDef = function () {
-      this.userData = null;
-      this.position.Set(0.0, 0.0);
-      this.angle = 0.0;
-      this.linearVelocity.Set(0, 0);
-      this.angularVelocity = 0.0;
-      this.linearDamping = 0.0;
-      this.angularDamping = 0.0;
-      this.allowSleep = true;
-      this.awake = true;
-      this.fixedRotation = false;
-      this.bullet = false;
-      this.type = b2Body.b2_staticBody;
-      this.active = true;
-      this.inertiaScale = 1.0;
-   }
-   b2ContactFilter.b2ContactFilter = function () {};
-   b2ContactFilter.prototype.ShouldCollide = function (fixtureA, fixtureB) {
-      var filter1 = fixtureA.GetFilterData();
-      var filter2 = fixtureB.GetFilterData();
-      if (filter1.groupIndex == filter2.groupIndex && filter1.groupIndex != 0) {
-         return filter1.groupIndex > 0;
-      }
-      var collide = (filter1.maskBits & filter2.categoryBits) != 0 && (filter1.categoryBits & filter2.maskBits) != 0;
-      return collide;
-   }
-   b2ContactFilter.prototype.RayCollide = function (userData, fixture) {
-      if (!userData) return true;
-      return this.ShouldCollide((userData instanceof b2Fixture ? userData : null), fixture);
-   }
-   Box2D.postDefs.push(function () {
-      Box2D.Dynamics.b2ContactFilter.b2_defaultFilter = new b2ContactFilter();
-   });
-   b2ContactImpulse.b2ContactImpulse = function () {
-      this.normalImpulses = new Vector_a2j_Number(b2Settings.b2_maxManifoldPoints);
-      this.tangentImpulses = new Vector_a2j_Number(b2Settings.b2_maxManifoldPoints);
-   };
-   b2ContactListener.b2ContactListener = function () {};
-   b2ContactListener.prototype.BeginContact = function (contact) {}
-   b2ContactListener.prototype.EndContact = function (contact) {}
-   b2ContactListener.prototype.PreSolve = function (contact, oldManifold) {}
-   b2ContactListener.prototype.PostSolve = function (contact, impulse) {}
-   Box2D.postDefs.push(function () {
-      Box2D.Dynamics.b2ContactListener.b2_defaultListener = new b2ContactListener();
-   });
-   b2ContactManager.b2ContactManager = function () {};
-   b2ContactManager.prototype.b2ContactManager = function () {
-      this.m_world = null;
-      this.m_contactCount = 0;
-      this.m_contactFilter = b2ContactFilter.b2_defaultFilter;
-      this.m_contactListener = b2ContactListener.b2_defaultListener;
-      this.m_contactFactory = new b2ContactFactory(this.m_allocator);
-      this.m_broadPhase = new b2DynamicTreeBroadPhase();
-   }
-   b2ContactManager.prototype.AddPair = function (proxyUserDataA, proxyUserDataB) {
-      var fixtureA = (proxyUserDataA instanceof b2Fixture ? proxyUserDataA : null);
-      var fixtureB = (proxyUserDataB instanceof b2Fixture ? proxyUserDataB : null);
-      var bodyA = fixtureA.GetBody();
-      var bodyB = fixtureB.GetBody();
-      if (bodyA == bodyB) return;
-      var edge = bodyB.GetContactList();
-      while (edge) {
-         if (edge.other == bodyA) {
-            var fA = edge.contact.GetFixtureA();
-            var fB = edge.contact.GetFixtureB();
-            if (fA == fixtureA && fB == fixtureB) return;
-            if (fA == fixtureB && fB == fixtureA) return;
-         }
-         edge = edge.next;
-      }
-      if (bodyB.ShouldCollide(bodyA) == false) {
-         return;
-      }
-      if (this.m_contactFilter.ShouldCollide(fixtureA, fixtureB) == false) {
-         return;
-      }
-      var c = this.m_contactFactory.Create(fixtureA, fixtureB);
-      fixtureA = c.GetFixtureA();
-      fixtureB = c.GetFixtureB();
-      bodyA = fixtureA.m_body;
-      bodyB = fixtureB.m_body;
-      c.m_prev = null;
-      c.m_next = this.m_world.m_contactList;
-      if (this.m_world.m_contactList != null) {
-         this.m_world.m_contactList.m_prev = c;
-      }
-      this.m_world.m_contactList = c;
-      c.m_nodeA.contact = c;
-      c.m_nodeA.other = bodyB;
-      c.m_nodeA.prev = null;
-      c.m_nodeA.next = bodyA.m_contactList;
-      if (bodyA.m_contactList != null) {
-         bodyA.m_contactList.prev = c.m_nodeA;
-      }
-      bodyA.m_contactList = c.m_nodeA;
-      c.m_nodeB.contact = c;
-      c.m_nodeB.other = bodyA;
-      c.m_nodeB.prev = null;
-      c.m_nodeB.next = bodyB.m_contactList;
-      if (bodyB.m_contactList != null) {
-         bodyB.m_contactList.prev = c.m_nodeB;
-      }
-      bodyB.m_contactList = c.m_nodeB;
-      ++this.m_world.m_contactCount;
-      return;
-   }
-   b2ContactManager.prototype.FindNewContacts = function () {
-      this.m_broadPhase.UpdatePairs(Box2D.generateCallback(this, this.AddPair));
-   }
-   b2ContactManager.prototype.Destroy = function (c) {
-      var fixtureA = c.GetFixtureA();
-      var fixtureB = c.GetFixtureB();
-      var bodyA = fixtureA.GetBody();
-      var bodyB = fixtureB.GetBody();
-      if (c.IsTouching()) {
-         this.m_contactListener.EndContact(c);
-      }
-      if (c.m_prev) {
-         c.m_prev.m_next = c.m_next;
-      }
-      if (c.m_next) {
-         c.m_next.m_prev = c.m_prev;
-      }
-      if (c == this.m_world.m_contactList) {
-         this.m_world.m_contactList = c.m_next;
-      }
-      if (c.m_nodeA.prev) {
-         c.m_nodeA.prev.next = c.m_nodeA.next;
-      }
-      if (c.m_nodeA.next) {
-         c.m_nodeA.next.prev = c.m_nodeA.prev;
-      }
-      if (c.m_nodeA == bodyA.m_contactList) {
-         bodyA.m_contactList = c.m_nodeA.next;
-      }
-      if (c.m_nodeB.prev) {
-         c.m_nodeB.prev.next = c.m_nodeB.next;
-      }
-      if (c.m_nodeB.next) {
-         c.m_nodeB.next.prev = c.m_nodeB.prev;
-      }
-      if (c.m_nodeB == bodyB.m_contactList) {
-         bodyB.m_contactList = c.m_nodeB.next;
-      }
-      this.m_contactFactory.Destroy(c);
-      --this.m_contactCount;
-   }
-   b2ContactManager.prototype.Collide = function () {
-      var c = this.m_world.m_contactList;
-      while (c) {
-         var fixtureA = c.GetFixtureA();
-         var fixtureB = c.GetFixtureB();
-         var bodyA = fixtureA.GetBody();
-         var bodyB = fixtureB.GetBody();
-         if (bodyA.IsAwake() == false && bodyB.IsAwake() == false) {
-            c = c.GetNext();
-            continue;
-         }
-         if (c.m_flags & b2Contact.e_filterFlag) {
-            if (bodyB.ShouldCollide(bodyA) == false) {
-               var cNuke = c;
-               c = cNuke.GetNext();
-               this.Destroy(cNuke);
-               continue;
-            }
-            if (this.m_contactFilter.ShouldCollide(fixtureA, fixtureB) == false) {
-               cNuke = c;
-               c = cNuke.GetNext();
-               this.Destroy(cNuke);
-               continue;
-            }
-            c.m_flags &= ~b2Contact.e_filterFlag;
-         }
-         var proxyA = fixtureA.m_proxy;
-         var proxyB = fixtureB.m_proxy;
-         var overlap = this.m_broadPhase.TestOverlap(proxyA, proxyB);
-         if (overlap == false) {
-            cNuke = c;
-            c = cNuke.GetNext();
-            this.Destroy(cNuke);
-            continue;
-         }
-         c.Update(this.m_contactListener);
-         c = c.GetNext();
-      }
-   }
-   Box2D.postDefs.push(function () {
-      Box2D.Dynamics.b2ContactManager.s_evalCP = new b2ContactPoint();
-   });
-   b2DebugDraw.b2DebugDraw = function () {};
-   b2DebugDraw.prototype.b2DebugDraw = function () {}
-   b2DebugDraw.prototype.SetFlags = function (flags) {
-      if (flags === undefined) flags = 0;
-   }
-   b2DebugDraw.prototype.GetFlags = function () {}
-   b2DebugDraw.prototype.AppendFlags = function (flags) {
-      if (flags === undefined) flags = 0;
-   }
-   b2DebugDraw.prototype.ClearFlags = function (flags) {
-      if (flags === undefined) flags = 0;
-   }
-   b2DebugDraw.prototype.SetSprite = function (sprite) {}
-   b2DebugDraw.prototype.GetSprite = function () {}
-   b2DebugDraw.prototype.SetDrawScale = function (drawScale) {
-      if (drawScale === undefined) drawScale = 0;
-   }
-   b2DebugDraw.prototype.GetDrawScale = function () {}
-   b2DebugDraw.prototype.SetLineThickness = function (lineThickness) {
-      if (lineThickness === undefined) lineThickness = 0;
-   }
-   b2DebugDraw.prototype.GetLineThickness = function () {}
-   b2DebugDraw.prototype.SetAlpha = function (alpha) {
-      if (alpha === undefined) alpha = 0;
-   }
-   b2DebugDraw.prototype.GetAlpha = function () {}
-   b2DebugDraw.prototype.SetFillAlpha = function (alpha) {
-      if (alpha === undefined) alpha = 0;
-   }
-   b2DebugDraw.prototype.GetFillAlpha = function () {}
-   b2DebugDraw.prototype.SetXFormScale = function (xformScale) {
-      if (xformScale === undefined) xformScale = 0;
-   }
-   b2DebugDraw.prototype.GetXFormScale = function () {}
-   b2DebugDraw.prototype.DrawPolygon = function (vertices, vertexCount, color) {
-      if (vertexCount === undefined) vertexCount = 0;
-   }
-   b2DebugDraw.prototype.DrawSolidPolygon = function (vertices, vertexCount, color) {
-      if (vertexCount === undefined) vertexCount = 0;
-   }
-   b2DebugDraw.prototype.DrawCircle = function (center, radius, color) {
-      if (radius === undefined) radius = 0;
-   }
-   b2DebugDraw.prototype.DrawSolidCircle = function (center, radius, axis, color) {
-      if (radius === undefined) radius = 0;
-   }
-   b2DebugDraw.prototype.DrawSegment = function (p1, p2, color) {}
-   b2DebugDraw.prototype.DrawTransform = function (xf) {}
-   Box2D.postDefs.push(function () {
-      Box2D.Dynamics.b2DebugDraw.e_shapeBit = 0x0001;
-      Box2D.Dynamics.b2DebugDraw.e_jointBit = 0x0002;
-      Box2D.Dynamics.b2DebugDraw.e_aabbBit = 0x0004;
-      Box2D.Dynamics.b2DebugDraw.e_pairBit = 0x0008;
-      Box2D.Dynamics.b2DebugDraw.e_centerOfMassBit = 0x0010;
-      Box2D.Dynamics.b2DebugDraw.e_controllerBit = 0x0020;
-   });
-   b2DestructionListener.b2DestructionListener = function () {};
-   b2DestructionListener.prototype.SayGoodbyeJoint = function (joint) {}
-   b2DestructionListener.prototype.SayGoodbyeFixture = function (fixture) {}
-   b2FilterData.b2FilterData = function () {
-      this.categoryBits = 0x0001;
-      this.maskBits = 0xFFFF;
-      this.groupIndex = 0;
-   };
-   b2FilterData.prototype.Copy = function () {
-      var copy = new b2FilterData();
-      copy.categoryBits = this.categoryBits;
-      copy.maskBits = this.maskBits;
-      copy.groupIndex = this.groupIndex;
-      return copy;
-   }
-   b2Fixture.b2Fixture = function () {
-      this.m_filter = new b2FilterData();
-   };
-   b2Fixture.prototype.GetType = function () {
-      return this.m_shape.GetType();
-   }
-   b2Fixture.prototype.GetShape = function () {
-      return this.m_shape;
-   }
-   b2Fixture.prototype.SetSensor = function (sensor) {
-      if (this.m_isSensor == sensor) return;
-      this.m_isSensor = sensor;
-      if (this.m_body == null) return;
-      var edge = this.m_body.GetContactList();
-      while (edge) {
-         var contact = edge.contact;
-         var fixtureA = contact.GetFixtureA();
-         var fixtureB = contact.GetFixtureB();
-         if (fixtureA == this || fixtureB == this) contact.SetSensor(fixtureA.IsSensor() || fixtureB.IsSensor());
-         edge = edge.next;
-      }
-   }
-   b2Fixture.prototype.IsSensor = function () {
-      return this.m_isSensor;
-   }
-   b2Fixture.prototype.SetFilterData = function (filter) {
-      this.m_filter = filter.Copy();
-      if (this.m_body) return;
-      var edge = this.m_body.GetContactList();
-      while (edge) {
-         var contact = edge.contact;
-         var fixtureA = contact.GetFixtureA();
-         var fixtureB = contact.GetFixtureB();
-         if (fixtureA == this || fixtureB == this) contact.FlagForFiltering();
-         edge = edge.next;
-      }
-   }
-   b2Fixture.prototype.GetFilterData = function () {
-      return this.m_filter.Copy();
-   }
-   b2Fixture.prototype.GetBody = function () {
-      return this.m_body;
-   }
-   b2Fixture.prototype.GetNext = function () {
-      return this.m_next;
-   }
-   b2Fixture.prototype.GetUserData = function () {
-      return this.m_userData;
-   }
-   b2Fixture.prototype.SetUserData = function (data) {
-      this.m_userData = data;
-   }
-   b2Fixture.prototype.TestPoint = function (p) {
-      return this.m_shape.TestPoint(this.m_body.GetTransform(), p);
-   }
-   b2Fixture.prototype.RayCast = function (output, input) {
-      return this.m_shape.RayCast(output, input, this.m_body.GetTransform());
-   }
-   b2Fixture.prototype.GetMassData = function (massData) {
-      if (massData === undefined) massData = null;
-      if (massData == null) {
-         massData = new b2MassData();
-      }
-      this.m_shape.ComputeMass(massData, this.m_density);
-      return massData;
-   }
-   b2Fixture.prototype.SetDensity = function (density) {
-      if (density === undefined) density = 0;
-      this.m_density = density;
-   }
-   b2Fixture.prototype.GetDensity = function () {
-      return this.m_density;
-   }
-   b2Fixture.prototype.GetFriction = function () {
-      return this.m_friction;
-   }
-   b2Fixture.prototype.SetFriction = function (friction) {
-      if (friction === undefined) friction = 0;
-      this.m_friction = friction;
-   }
-   b2Fixture.prototype.GetRestitution = function () {
-      return this.m_restitution;
-   }
-   b2Fixture.prototype.SetRestitution = function (restitution) {
-      if (restitution === undefined) restitution = 0;
-      this.m_restitution = restitution;
-   }
-   b2Fixture.prototype.GetAABB = function () {
-      return this.m_aabb;
-   }
-   b2Fixture.prototype.b2Fixture = function () {
-      this.m_aabb = new b2AABB();
-      this.m_userData = null;
-      this.m_body = null;
-      this.m_next = null;
-      this.m_shape = null;
-      this.m_density = 0.0;
-      this.m_friction = 0.0;
-      this.m_restitution = 0.0;
-   }
-   b2Fixture.prototype.Create = function (body, xf, def) {
-      this.m_userData = def.userData;
-      this.m_friction = def.friction;
-      this.m_restitution = def.restitution;
-      this.m_body = body;
-      this.m_next = null;
-      this.m_filter = def.filter.Copy();
-      this.m_isSensor = def.isSensor;
-      this.m_shape = def.shape.Copy();
-      this.m_density = def.density;
-   }
-   b2Fixture.prototype.Destroy = function () {
-      this.m_shape = null;
-   }
-   b2Fixture.prototype.CreateProxy = function (broadPhase, xf) {
-      this.m_shape.ComputeAABB(this.m_aabb, xf);
-      this.m_proxy = broadPhase.CreateProxy(this.m_aabb, this);
-   }
-   b2Fixture.prototype.DestroyProxy = function (broadPhase) {
-      if (this.m_proxy == null) {
-         return;
-      }
-      broadPhase.DestroyProxy(this.m_proxy);
-      this.m_proxy = null;
-   }
-   b2Fixture.prototype.Synchronize = function (broadPhase, transform1, transform2) {
-      if (!this.m_proxy) return;
-      var aabb1 = new b2AABB();
-      var aabb2 = new b2AABB();
-      this.m_shape.ComputeAABB(aabb1, transform1);
-      this.m_shape.ComputeAABB(aabb2, transform2);
-      this.m_aabb.Combine(aabb1, aabb2);
-      var displacement = b2Math.SubtractVV(transform2.position, transform1.position);
-      broadPhase.MoveProxy(this.m_proxy, this.m_aabb, displacement);
-   }
-   b2FixtureDef.b2FixtureDef = function () {
-      this.filter = new b2FilterData();
-   };
-   b2FixtureDef.prototype.b2FixtureDef = function () {
-      this.shape = null;
-      this.userData = null;
-      this.friction = 0.2;
-      this.restitution = 0.0;
-      this.density = 0.0;
-      this.filter.categoryBits = 0x0001;
-      this.filter.maskBits = 0xFFFF;
-      this.filter.groupIndex = 0;
-      this.isSensor = false;
-   }
-   b2Island.b2Island = function () {};
-   b2Island.prototype.b2Island = function () {
-      this.m_bodies = new Vector();
-      this.m_contacts = new Vector();
-      this.m_joints = new Vector();
-   }
-   b2Island.prototype.Initialize = function (bodyCapacity, contactCapacity, jointCapacity, allocator, listener, contactSolver) {
-      if (bodyCapacity === undefined) bodyCapacity = 0;
-      if (contactCapacity === undefined) contactCapacity = 0;
-      if (jointCapacity === undefined) jointCapacity = 0;
-      var i = 0;
-      this.m_bodyCapacity = bodyCapacity;
-      this.m_contactCapacity = contactCapacity;
-      this.m_jointCapacity = jointCapacity;
-      this.m_bodyCount = 0;
-      this.m_contactCount = 0;
-      this.m_jointCount = 0;
-      this.m_allocator = allocator;
-      this.m_listener = listener;
-      this.m_contactSolver = contactSolver;
-      for (i = this.m_bodies.length;
-      i < bodyCapacity; i++)
-      this.m_bodies[i] = null;
-      for (i = this.m_contacts.length;
-      i < contactCapacity; i++)
-      this.m_contacts[i] = null;
-      for (i = this.m_joints.length;
-      i < jointCapacity; i++)
-      this.m_joints[i] = null;
-   }
-   b2Island.prototype.Clear = function () {
-      this.m_bodyCount = 0;
-      this.m_contactCount = 0;
-      this.m_jointCount = 0;
-   }
-   b2Island.prototype.Solve = function (step, gravity, allowSleep) {
-      var i = 0;
-      var j = 0;
-      var b;
-      var joint;
-      for (i = 0;
-      i < this.m_bodyCount; ++i) {
-         b = this.m_bodies[i];
-         if (b.GetType() != b2Body.b2_dynamicBody) continue;
-         b.m_linearVelocity.x += step.dt * (gravity.x + b.m_invMass * b.m_force.x);
-         b.m_linearVelocity.y += step.dt * (gravity.y + b.m_invMass * b.m_force.y);
-         b.m_angularVelocity += step.dt * b.m_invI * b.m_torque;
-         b.m_linearVelocity.Multiply(b2Math.Clamp(1.0 - step.dt * b.m_linearDamping, 0.0, 1.0));
-         b.m_angularVelocity *= b2Math.Clamp(1.0 - step.dt * b.m_angularDamping, 0.0, 1.0);
-      }
-      this.m_contactSolver.Initialize(step, this.m_contacts, this.m_contactCount, this.m_allocator);
-      var contactSolver = this.m_contactSolver;
-      contactSolver.InitVelocityConstraints(step);
-      for (i = 0;
-      i < this.m_jointCount; ++i) {
-         joint = this.m_joints[i];
-         joint.InitVelocityConstraints(step);
-      }
-      for (i = 0;
-      i < step.velocityIterations; ++i) {
-         for (j = 0;
-         j < this.m_jointCount; ++j) {
-            joint = this.m_joints[j];
-            joint.SolveVelocityConstraints(step);
-         }
-         contactSolver.SolveVelocityConstraints();
-      }
-      for (i = 0;
-      i < this.m_jointCount; ++i) {
-         joint = this.m_joints[i];
-         joint.FinalizeVelocityConstraints();
-      }
-      contactSolver.FinalizeVelocityConstraints();
-      for (i = 0;
-      i < this.m_bodyCount; ++i) {
-         b = this.m_bodies[i];
-         if (b.GetType() == b2Body.b2_staticBody) continue;
-         var translationX = step.dt * b.m_linearVelocity.x;
-         var translationY = step.dt * b.m_linearVelocity.y;
-         if ((translationX * translationX + translationY * translationY) > b2Settings.b2_maxTranslationSquared) {
-            b.m_linearVelocity.Normalize();
-            b.m_linearVelocity.x *= b2Settings.b2_maxTranslation * step.inv_dt;
-            b.m_linearVelocity.y *= b2Settings.b2_maxTranslation * step.inv_dt;
-         }
-         var rotation = step.dt * b.m_angularVelocity;
-         if (rotation * rotation > b2Settings.b2_maxRotationSquared) {
-            if (b.m_angularVelocity < 0.0) {
-               b.m_angularVelocity = (-b2Settings.b2_maxRotation * step.inv_dt);
-            }
-            else {
-               b.m_angularVelocity = b2Settings.b2_maxRotation * step.inv_dt;
-            }
-         }
-         b.m_sweep.c0.SetV(b.m_sweep.c);
-         b.m_sweep.a0 = b.m_sweep.a;
-         b.m_sweep.c.x += step.dt * b.m_linearVelocity.x;
-         b.m_sweep.c.y += step.dt * b.m_linearVelocity.y;
-         b.m_sweep.a += step.dt * b.m_angularVelocity;
-         b.SynchronizeTransform();
-      }
-      for (i = 0;
-      i < step.positionIterations; ++i) {
-         var contactsOkay = contactSolver.SolvePositionConstraints(b2Settings.b2_contactBaumgarte);
-         var jointsOkay = true;
-         for (j = 0;
-         j < this.m_jointCount; ++j) {
-            joint = this.m_joints[j];
-            var jointOkay = joint.SolvePositionConstraints(b2Settings.b2_contactBaumgarte);
-            jointsOkay = jointsOkay && jointOkay;
-         }
-         if (contactsOkay && jointsOkay) {
-            break;
-         }
-      }
-      this.Report(contactSolver.m_constraints);
-      if (allowSleep) {
-         var minSleepTime = Number.MAX_VALUE;
-         var linTolSqr = b2Settings.b2_linearSleepTolerance * b2Settings.b2_linearSleepTolerance;
-         var angTolSqr = b2Settings.b2_angularSleepTolerance * b2Settings.b2_angularSleepTolerance;
-         for (i = 0;
-         i < this.m_bodyCount; ++i) {
-            b = this.m_bodies[i];
-            if (b.GetType() == b2Body.b2_staticBody) {
-               continue;
-            }
-            if ((b.m_flags & b2Body.e_allowSleepFlag) == 0) {
-               b.m_sleepTime = 0.0;
-               minSleepTime = 0.0;
-            }
-            if ((b.m_flags & b2Body.e_allowSleepFlag) == 0 || b.m_angularVelocity * b.m_angularVelocity > angTolSqr || b2Math.Dot(b.m_linearVelocity, b.m_linearVelocity) > linTolSqr) {
-               b.m_sleepTime = 0.0;
-               minSleepTime = 0.0;
-            }
-            else {
-               b.m_sleepTime += step.dt;
-               minSleepTime = b2Math.Min(minSleepTime, b.m_sleepTime);
-            }
-         }
-         if (minSleepTime >= b2Settings.b2_timeToSleep) {
-            for (i = 0;
-            i < this.m_bodyCount; ++i) {
-               b = this.m_bodies[i];
-               b.SetAwake(false);
-            }
-         }
-      }
-   }
-   b2Island.prototype.SolveTOI = function (subStep) {
-      var i = 0;
-      var j = 0;
-      this.m_contactSolver.Initialize(subStep, this.m_contacts, this.m_contactCount, this.m_allocator);
-      var contactSolver = this.m_contactSolver;
-      for (i = 0;
-      i < this.m_jointCount; ++i) {
-         this.m_joints[i].InitVelocityConstraints(subStep);
-      }
-      for (i = 0;
-      i < subStep.velocityIterations; ++i) {
-         contactSolver.SolveVelocityConstraints();
-         for (j = 0;
-         j < this.m_jointCount; ++j) {
-            this.m_joints[j].SolveVelocityConstraints(subStep);
-         }
-      }
-      for (i = 0;
-      i < this.m_bodyCount; ++i) {
-         var b = this.m_bodies[i];
-         if (b.GetType() == b2Body.b2_staticBody) continue;
-         var translationX = subStep.dt * b.m_linearVelocity.x;
-         var translationY = subStep.dt * b.m_linearVelocity.y;
-         if ((translationX * translationX + translationY * translationY) > b2Settings.b2_maxTranslationSquared) {
-            b.m_linearVelocity.Normalize();
-            b.m_linearVelocity.x *= b2Settings.b2_maxTranslation * subStep.inv_dt;
-            b.m_linearVelocity.y *= b2Settings.b2_maxTranslation * subStep.inv_dt;
-         }
-         var rotation = subStep.dt * b.m_angularVelocity;
-         if (rotation * rotation > b2Settings.b2_maxRotationSquared) {
-            if (b.m_angularVelocity < 0.0) {
-               b.m_angularVelocity = (-b2Settings.b2_maxRotation * subStep.inv_dt);
-            }
-            else {
-               b.m_angularVelocity = b2Settings.b2_maxRotation * subStep.inv_dt;
-            }
-         }
-         b.m_sweep.c0.SetV(b.m_sweep.c);
-         b.m_sweep.a0 = b.m_sweep.a;
-         b.m_sweep.c.x += subStep.dt * b.m_linearVelocity.x;
-         b.m_sweep.c.y += subStep.dt * b.m_linearVelocity.y;
-         b.m_sweep.a += subStep.dt * b.m_angularVelocity;
-         b.SynchronizeTransform();
-      }
-      var k_toiBaumgarte = 0.75;
-      for (i = 0;
-      i < subStep.positionIterations; ++i) {
-         var contactsOkay = contactSolver.SolvePositionConstraints(k_toiBaumgarte);
-         var jointsOkay = true;
-         for (j = 0;
-         j < this.m_jointCount; ++j) {
-            var jointOkay = this.m_joints[j].SolvePositionConstraints(b2Settings.b2_contactBaumgarte);
-            jointsOkay = jointsOkay && jointOkay;
-         }
-         if (contactsOkay && jointsOkay) {
-            break;
-         }
-      }
-      this.Report(contactSolver.m_constraints);
-   }
-   b2Island.prototype.Report = function (constraints) {
-      if (this.m_listener == null) {
-         return;
-      }
-      for (var i = 0; i < this.m_contactCount; ++i) {
-         var c = this.m_contacts[i];
-         var cc = constraints[i];
-         for (var j = 0; j < cc.pointCount; ++j) {
-            b2Island.s_impulse.normalImpulses[j] = cc.points[j].normalImpulse;
-            b2Island.s_impulse.tangentImpulses[j] = cc.points[j].tangentImpulse;
-         }
-         this.m_listener.PostSolve(c, b2Island.s_impulse);
-      }
-   }
-   b2Island.prototype.AddBody = function (body) {
-      body.m_islandIndex = this.m_bodyCount;
-      this.m_bodies[this.m_bodyCount++] = body;
-   }
-   b2Island.prototype.AddContact = function (contact) {
-      this.m_contacts[this.m_contactCount++] = contact;
-   }
-   b2Island.prototype.AddJoint = function (joint) {
-      this.m_joints[this.m_jointCount++] = joint;
-   }
-   Box2D.postDefs.push(function () {
-      Box2D.Dynamics.b2Island.s_impulse = new b2ContactImpulse();
-   });
-   b2TimeStep.b2TimeStep = function () {};
-   b2TimeStep.prototype.Set = function (step) {
-      this.dt = step.dt;
-      this.inv_dt = step.inv_dt;
-      this.positionIterations = step.positionIterations;
-      this.velocityIterations = step.velocityIterations;
-      this.warmStarting = step.warmStarting;
-   }
-   b2World.b2World = function () {
-      this.s_stack = new Vector();
-      this.m_contactManager = new b2ContactManager();
-      this.m_contactSolver = new b2ContactSolver();
-      this.m_island = new b2Island();
-   };
-   b2World.prototype.b2World = function (gravity, doSleep) {
-      this.m_destructionListener = null;
-      this.m_debugDraw = null;
-      this.m_bodyList = null;
-      this.m_contactList = null;
-      this.m_jointList = null;
-      this.m_controllerList = null;
-      this.m_bodyCount = 0;
-      this.m_contactCount = 0;
-      this.m_jointCount = 0;
-      this.m_controllerCount = 0;
-      b2World.m_warmStarting = true;
-      b2World.m_continuousPhysics = true;
-      this.m_allowSleep = doSleep;
-      this.m_gravity = gravity;
-      this.m_inv_dt0 = 0.0;
-      this.m_contactManager.m_world = this;
-      var bd = new b2BodyDef();
-      this.m_groundBody = this.CreateBody(bd);
-   }
-   b2World.prototype.SetDestructionListener = function (listener) {
-      this.m_destructionListener = listener;
-   }
-   b2World.prototype.SetContactFilter = function (filter) {
-      this.m_contactManager.m_contactFilter = filter;
-   }
-   b2World.prototype.SetContactListener = function (listener) {
-      this.m_contactManager.m_contactListener = listener;
-   }
-   b2World.prototype.SetDebugDraw = function (debugDraw) {
-      this.m_debugDraw = debugDraw;
-   }
-   b2World.prototype.SetBroadPhase = function (broadPhase) {
-      var oldBroadPhase = this.m_contactManager.m_broadPhase;
-      this.m_contactManager.m_broadPhase = broadPhase;
-      for (var b = this.m_bodyList; b; b = b.m_next) {
-         for (var f = b.m_fixtureList; f; f = f.m_next) {
-            f.m_proxy = broadPhase.CreateProxy(oldBroadPhase.GetFatAABB(f.m_proxy), f);
-         }
-      }
-   }
-   b2World.prototype.Validate = function () {
-      this.m_contactManager.m_broadPhase.Validate();
-   }
-   b2World.prototype.GetProxyCount = function () {
-      return this.m_contactManager.m_broadPhase.GetProxyCount();
-   }
-   b2World.prototype.CreateBody = function (def) {
-      if (this.IsLocked() == true) {
-         return null;
-      }
-      var b = new b2Body(def, this);
-      b.m_prev = null;
-      b.m_next = this.m_bodyList;
-      if (this.m_bodyList) {
-         this.m_bodyList.m_prev = b;
-      }
-      this.m_bodyList = b;
-      ++this.m_bodyCount;
-      return b;
-   }
-   b2World.prototype.DestroyBody = function (b) {
-      if (this.IsLocked() == true) {
-         return;
-      }
-      var jn = b.m_jointList;
-      while (jn) {
-         var jn0 = jn;
-         jn = jn.next;
-         if (this.m_destructionListener) {
-            this.m_destructionListener.SayGoodbyeJoint(jn0.joint);
-         }
-         this.DestroyJoint(jn0.joint);
-      }
-      var coe = b.m_controllerList;
-      while (coe) {
-         var coe0 = coe;
-         coe = coe.nextController;
-         coe0.controller.RemoveBody(b);
-      }
-      var ce = b.m_contactList;
-      while (ce) {
-         var ce0 = ce;
-         ce = ce.next;
-         this.m_contactManager.Destroy(ce0.contact);
-      }
-      b.m_contactList = null;
-      var f = b.m_fixtureList;
-      while (f) {
-         var f0 = f;
-         f = f.m_next;
-         if (this.m_destructionListener) {
-            this.m_destructionListener.SayGoodbyeFixture(f0);
-         }
-         f0.DestroyProxy(this.m_contactManager.m_broadPhase);
-         f0.Destroy();
-      }
-      b.m_fixtureList = null;
-      b.m_fixtureCount = 0;
-      if (b.m_prev) {
-         b.m_prev.m_next = b.m_next;
-      }
-      if (b.m_next) {
-         b.m_next.m_prev = b.m_prev;
-      }
-      if (b == this.m_bodyList) {
-         this.m_bodyList = b.m_next;
-      }--this.m_bodyCount;
-   }
-   b2World.prototype.CreateJoint = function (def) {
-      var j = b2Joint.Create(def, null);
-      j.m_prev = null;
-      j.m_next = this.m_jointList;
-      if (this.m_jointList) {
-         this.m_jointList.m_prev = j;
-      }
-      this.m_jointList = j;
-      ++this.m_jointCount;
-      j.m_edgeA.joint = j;
-      j.m_edgeA.other = j.m_bodyB;
-      j.m_edgeA.prev = null;
-      j.m_edgeA.next = j.m_bodyA.m_jointList;
-      if (j.m_bodyA.m_jointList) j.m_bodyA.m_jointList.prev = j.m_edgeA;
-      j.m_bodyA.m_jointList = j.m_edgeA;
-      j.m_edgeB.joint = j;
-      j.m_edgeB.other = j.m_bodyA;
-      j.m_edgeB.prev = null;
-      j.m_edgeB.next = j.m_bodyB.m_jointList;
-      if (j.m_bodyB.m_jointList) j.m_bodyB.m_jointList.prev = j.m_edgeB;
-      j.m_bodyB.m_jointList = j.m_edgeB;
-      var bodyA = def.bodyA;
-      var bodyB = def.bodyB;
-      if (def.collideConnected == false) {
-         var edge = bodyB.GetContactList();
-         while (edge) {
-            if (edge.other == bodyA) {
-               edge.contact.FlagForFiltering();
-            }
-            edge = edge.next;
-         }
-      }
-      return j;
-   }
-   b2World.prototype.DestroyJoint = function (j) {
-      var collideConnected = j.m_collideConnected;
-      if (j.m_prev) {
-         j.m_prev.m_next = j.m_next;
-      }
-      if (j.m_next) {
-         j.m_next.m_prev = j.m_prev;
-      }
-      if (j == this.m_jointList) {
-         this.m_jointList = j.m_next;
-      }
-      var bodyA = j.m_bodyA;
-      var bodyB = j.m_bodyB;
-      bodyA.SetAwake(true);
-      bodyB.SetAwake(true);
-      if (j.m_edgeA.prev) {
-         j.m_edgeA.prev.next = j.m_edgeA.next;
-      }
-      if (j.m_edgeA.next) {
-         j.m_edgeA.next.prev = j.m_edgeA.prev;
-      }
-      if (j.m_edgeA == bodyA.m_jointList) {
-         bodyA.m_jointList = j.m_edgeA.next;
-      }
-      j.m_edgeA.prev = null;
-      j.m_edgeA.next = null;
-      if (j.m_edgeB.prev) {
-         j.m_edgeB.prev.next = j.m_edgeB.next;
-      }
-      if (j.m_edgeB.next) {
-         j.m_edgeB.next.prev = j.m_edgeB.prev;
-      }
-      if (j.m_edgeB == bodyB.m_jointList) {
-         bodyB.m_jointList = j.m_edgeB.next;
-      }
-      j.m_edgeB.prev = null;
-      j.m_edgeB.next = null;
-      b2Joint.Destroy(j, null);
-      --this.m_jointCount;
-      if (collideConnected == false) {
-         var edge = bodyB.GetContactList();
-         while (edge) {
-            if (edge.other == bodyA) {
-               edge.contact.FlagForFiltering();
-            }
-            edge = edge.next;
-         }
-      }
-   }
-   b2World.prototype.AddController = function (c) {
-      c.m_next = this.m_controllerList;
-      c.m_prev = null;
-      this.m_controllerList = c;
-      c.m_world = this;
-      this.m_controllerCount++;
-      return c;
-   }
-   b2World.prototype.RemoveController = function (c) {
-      if (c.m_prev) c.m_prev.m_next = c.m_next;
-      if (c.m_next) c.m_next.m_prev = c.m_prev;
-      if (this.m_controllerList == c) this.m_controllerList = c.m_next;
-      this.m_controllerCount--;
-   }
-   b2World.prototype.CreateController = function (controller) {
-      if (controller.m_world != this) throw new Error("Controller can only be a member of one world");
-      controller.m_next = this.m_controllerList;
-      controller.m_prev = null;
-      if (this.m_controllerList) this.m_controllerList.m_prev = controller;
-      this.m_controllerList = controller;
-      ++this.m_controllerCount;
-      controller.m_world = this;
-      return controller;
-   }
-   b2World.prototype.DestroyController = function (controller) {
-      controller.Clear();
-      if (controller.m_next) controller.m_next.m_prev = controller.m_prev;
-      if (controller.m_prev) controller.m_prev.m_next = controller.m_next;
-      if (controller == this.m_controllerList) this.m_controllerList = controller.m_next;
-      --this.m_controllerCount;
-   }
-   b2World.prototype.SetWarmStarting = function (flag) {
-      b2World.m_warmStarting = flag;
-   }
-   b2World.prototype.SetContinuousPhysics = function (flag) {
-      b2World.m_continuousPhysics = flag;
-   }
-   b2World.prototype.GetBodyCount = function () {
-      return this.m_bodyCount;
-   }
-   b2World.prototype.GetJointCount = function () {
-      return this.m_jointCount;
-   }
-   b2World.prototype.GetContactCount = function () {
-      return this.m_contactCount;
-   }
-   b2World.prototype.SetGravity = function (gravity) {
-      this.m_gravity = gravity;
-   }
-   b2World.prototype.GetGravity = function () {
-      return this.m_gravity;
-   }
-   b2World.prototype.GetGroundBody = function () {
-      return this.m_groundBody;
-   }
-   b2World.prototype.Step = function (dt, velocityIterations, positionIterations) {
-      if (dt === undefined) dt = 0;
-      if (velocityIterations === undefined) velocityIterations = 0;
-      if (positionIterations === undefined) positionIterations = 0;
-      if (this.m_flags & b2World.e_newFixture) {
-         this.m_contactManager.FindNewContacts();
-         this.m_flags &= ~b2World.e_newFixture;
-      }
-      this.m_flags |= b2World.e_locked;
-      var step = b2World.s_timestep2;
-      step.dt = dt;
-      step.velocityIterations = velocityIterations;
-      step.positionIterations = positionIterations;
-      if (dt > 0.0) {
-         step.inv_dt = 1.0 / dt;
-      }
-      else {
-         step.inv_dt = 0.0;
-      }
-      step.dtRatio = this.m_inv_dt0 * dt;
-      step.warmStarting = b2World.m_warmStarting;
-      this.m_contactManager.Collide();
-      if (step.dt > 0.0) {
-         this.Solve(step);
-      }
-      if (b2World.m_continuousPhysics && step.dt > 0.0) {
-         this.SolveTOI(step);
-      }
-      if (step.dt > 0.0) {
-         this.m_inv_dt0 = step.inv_dt;
-      }
-      this.m_flags &= ~b2World.e_locked;
-   }
-   b2World.prototype.ClearForces = function () {
-      for (var body = this.m_bodyList; body; body = body.m_next) {
-         body.m_force.SetZero();
-         body.m_torque = 0.0;
-      }
-   }
-   b2World.prototype.DrawDebugData = function () {
-      if (this.m_debugDraw == null) {
-         return;
-      }
-      this.m_debugDraw.m_sprite.graphics.clear();
-      var flags = this.m_debugDraw.GetFlags();
-      var i = 0;
-      var b;
-      var f;
-      var s;
-      var j;
-      var bp;
-      var invQ = new b2Vec2;
-      var x1 = new b2Vec2;
-      var x2 = new b2Vec2;
-      var xf;
-      var b1 = new b2AABB();
-      var b2 = new b2AABB();
-      var vs = [new b2Vec2(), new b2Vec2(), new b2Vec2(), new b2Vec2()];
-      var color = new b2Color(0, 0, 0);
-      if (flags & b2DebugDraw.e_shapeBit) {
-         for (b = this.m_bodyList;
-         b; b = b.m_next) {
-            xf = b.m_xf;
-            for (f = b.GetFixtureList();
-            f; f = f.m_next) {
-               s = f.GetShape();
-               if (b.IsActive() == false) {
-                  color.Set(0.5, 0.5, 0.3);
-                  this.DrawShape(s, xf, color);
-               }
-               else if (b.GetType() == b2Body.b2_staticBody) {
-                  color.Set(0.5, 0.9, 0.5);
-                  this.DrawShape(s, xf, color);
-               }
-               else if (b.GetType() == b2Body.b2_kinematicBody) {
-                  color.Set(0.5, 0.5, 0.9);
-                  this.DrawShape(s, xf, color);
-               }
-               else if (b.IsAwake() == false) {
-                  color.Set(0.6, 0.6, 0.6);
-                  this.DrawShape(s, xf, color);
-               }
-               else {
-                  color.Set(0.9, 0.7, 0.7);
-                  this.DrawShape(s, xf, color);
-               }
-            }
-         }
-      }
-      if (flags & b2DebugDraw.e_jointBit) {
-         for (j = this.m_jointList;
-         j; j = j.m_next) {
-            this.DrawJoint(j);
-         }
-      }
-      if (flags & b2DebugDraw.e_controllerBit) {
-         for (var c = this.m_controllerList; c; c = c.m_next) {
-            c.Draw(this.m_debugDraw);
-         }
-      }
-      if (flags & b2DebugDraw.e_pairBit) {
-         color.Set(0.3, 0.9, 0.9);
-         for (var contact = this.m_contactManager.m_contactList; contact; contact = contact.GetNext()) {
-            var fixtureA = contact.GetFixtureA();
-            var fixtureB = contact.GetFixtureB();
-            var cA = fixtureA.GetAABB().GetCenter();
-            var cB = fixtureB.GetAABB().GetCenter();
-            this.m_debugDraw.DrawSegment(cA, cB, color);
-         }
-      }
-      if (flags & b2DebugDraw.e_aabbBit) {
-         bp = this.m_contactManager.m_broadPhase;
-         vs = [new b2Vec2(), new b2Vec2(), new b2Vec2(), new b2Vec2()];
-         for (b = this.m_bodyList;
-         b; b = b.GetNext()) {
-            if (b.IsActive() == false) {
-               continue;
-            }
-            for (f = b.GetFixtureList();
-            f; f = f.GetNext()) {
-               var aabb = bp.GetFatAABB(f.m_proxy);
-               vs[0].Set(aabb.lowerBound.x, aabb.lowerBound.y);
-               vs[1].Set(aabb.upperBound.x, aabb.lowerBound.y);
-               vs[2].Set(aabb.upperBound.x, aabb.upperBound.y);
-               vs[3].Set(aabb.lowerBound.x, aabb.upperBound.y);
-               this.m_debugDraw.DrawPolygon(vs, 4, color);
-            }
-         }
-      }
-      if (flags & b2DebugDraw.e_centerOfMassBit) {
-         for (b = this.m_bodyList;
-         b; b = b.m_next) {
-            xf = b2World.s_xf;
-            xf.R = b.m_xf.R;
-            xf.position = b.GetWorldCenter();
-            this.m_debugDraw.DrawTransform(xf);
-         }
-      }
-   }
-   b2World.prototype.QueryAABB = function (callback, aabb) {
-      var __this = this;
-      var broadPhase = __this.m_contactManager.m_broadPhase;
-
-      function WorldQueryWrapper(proxy) {
-         return callback(broadPhase.GetUserData(proxy));
-      };
-      broadPhase.Query(WorldQueryWrapper, aabb);
-   }
-   b2World.prototype.QueryShape = function (callback, shape, transform) {
-      var __this = this;
-      if (transform === undefined) transform = null;
-      if (transform == null) {
-         transform = new b2Transform();
-         transform.SetIdentity();
-      }
-      var broadPhase = __this.m_contactManager.m_broadPhase;
-
-      function WorldQueryWrapper(proxy) {
-         var fixture = (broadPhase.GetUserData(proxy) instanceof b2Fixture ? broadPhase.GetUserData(proxy) : null);
-         if (b2Shape.TestOverlap(shape, transform, fixture.GetShape(), fixture.GetBody().GetTransform())) return callback(fixture);
-         return true;
-      };
-      var aabb = new b2AABB();
-      shape.ComputeAABB(aabb, transform);
-      broadPhase.Query(WorldQueryWrapper, aabb);
-   }
-   b2World.prototype.QueryPoint = function (callback, p) {
-      var __this = this;
-      var broadPhase = __this.m_contactManager.m_broadPhase;
-
-      function WorldQueryWrapper(proxy) {
-         var fixture = (broadPhase.GetUserData(proxy) instanceof b2Fixture ? broadPhase.GetUserData(proxy) : null);
-         if (fixture.TestPoint(p)) return callback(fixture);
-         return true;
-      };
-      var aabb = new b2AABB();
-      aabb.lowerBound.Set(p.x - b2Settings.b2_linearSlop, p.y - b2Settings.b2_linearSlop);
-      aabb.upperBound.Set(p.x + b2Settings.b2_linearSlop, p.y + b2Settings.b2_linearSlop);
-      broadPhase.Query(WorldQueryWrapper, aabb);
-   }
-   b2World.prototype.RayCast = function (callback, point1, point2) {
-      var __this = this;
-      var broadPhase = __this.m_contactManager.m_broadPhase;
-      var output = new b2RayCastOutput;
-
-      function RayCastWrapper(input, proxy) {
-         var userData = broadPhase.GetUserData(proxy);
-         var fixture = (userData instanceof b2Fixture ? userData : null);
-         var hit = fixture.RayCast(output, input);
-         if (hit) {
-            var fraction = output.fraction;
-            var point = new b2Vec2((1.0 - fraction) * point1.x + fraction * point2.x, (1.0 - fraction) * point1.y + fraction * point2.y);
-            return callback(fixture, point, output.normal, fraction);
-         }
-         return input.maxFraction;
-      };
-      var input = new b2RayCastInput(point1, point2);
-      broadPhase.RayCast(RayCastWrapper, input);
-   }
-   b2World.prototype.RayCastOne = function (point1, point2) {
-      var __this = this;
-      var result;
-
-      function RayCastOneWrapper(fixture, point, normal, fraction) {
-         if (fraction === undefined) fraction = 0;
-         result = fixture;
-         return fraction;
-      };
-      __this.RayCast(RayCastOneWrapper, point1, point2);
-      return result;
-   }
-   b2World.prototype.RayCastAll = function (point1, point2) {
-      var __this = this;
-      var result = new Vector();
-
-      function RayCastAllWrapper(fixture, point, normal, fraction) {
-         if (fraction === undefined) fraction = 0;
-         result[result.length] = fixture;
-         return 1;
-      };
-      __this.RayCast(RayCastAllWrapper, point1, point2);
-      return result;
-   }
-   b2World.prototype.GetBodyList = function () {
-      return this.m_bodyList;
-   }
-   b2World.prototype.GetJointList = function () {
-      return this.m_jointList;
-   }
-   b2World.prototype.GetContactList = function () {
-      return this.m_contactList;
-   }
-   b2World.prototype.IsLocked = function () {
-      return (this.m_flags & b2World.e_locked) > 0;
-   }
-   b2World.prototype.Solve = function (step) {
-      var b;
-      for (var controller = this.m_controllerList; controller; controller = controller.m_next) {
-         controller.Step(step);
-      }
-      var island = this.m_island;
-      island.Initialize(this.m_bodyCount, this.m_contactCount, this.m_jointCount, null, this.m_contactManager.m_contactListener, this.m_contactSolver);
-      for (b = this.m_bodyList;
-      b; b = b.m_next) {
-         b.m_flags &= ~b2Body.e_islandFlag;
-      }
-      for (var c = this.m_contactList; c; c = c.m_next) {
-         c.m_flags &= ~b2Contact.e_islandFlag;
-      }
-      for (var j = this.m_jointList; j; j = j.m_next) {
-         j.m_islandFlag = false;
-      }
-      var stackSize = parseInt(this.m_bodyCount);
-      var stack = this.s_stack;
-      for (var seed = this.m_bodyList; seed; seed = seed.m_next) {
-         if (seed.m_flags & b2Body.e_islandFlag) {
-            continue;
-         }
-         if (seed.IsAwake() == false || seed.IsActive() == false) {
-            continue;
-         }
-         if (seed.GetType() == b2Body.b2_staticBody) {
-            continue;
-         }
-         island.Clear();
-         var stackCount = 0;
-         stack[stackCount++] = seed;
-         seed.m_flags |= b2Body.e_islandFlag;
-         while (stackCount > 0) {
-            b = stack[--stackCount];
-            island.AddBody(b);
-            if (b.IsAwake() == false) {
-               b.SetAwake(true);
-            }
-            if (b.GetType() == b2Body.b2_staticBody) {
-               continue;
-            }
-            var other;
-            for (var ce = b.m_contactList; ce; ce = ce.next) {
-               if (ce.contact.m_flags & b2Contact.e_islandFlag) {
-                  continue;
-               }
-               if (ce.contact.IsSensor() == true || ce.contact.IsEnabled() == false || ce.contact.IsTouching() == false) {
-                  continue;
-               }
-               island.AddContact(ce.contact);
-               ce.contact.m_flags |= b2Contact.e_islandFlag;
-               other = ce.other;
-               if (other.m_flags & b2Body.e_islandFlag) {
-                  continue;
-               }
-               stack[stackCount++] = other;
-               other.m_flags |= b2Body.e_islandFlag;
-            }
-            for (var jn = b.m_jointList; jn; jn = jn.next) {
-               if (jn.joint.m_islandFlag == true) {
-                  continue;
-               }
-               other = jn.other;
-               if (other.IsActive() == false) {
-                  continue;
-               }
-               island.AddJoint(jn.joint);
-               jn.joint.m_islandFlag = true;
-               if (other.m_flags & b2Body.e_islandFlag) {
-                  continue;
-               }
-               stack[stackCount++] = other;
-               other.m_flags |= b2Body.e_islandFlag;
-            }
-         }
-         island.Solve(step, this.m_gravity, this.m_allowSleep);
-         for (var i = 0; i < island.m_bodyCount; ++i) {
-            b = island.m_bodies[i];
-            if (b.GetType() == b2Body.b2_staticBody) {
-               b.m_flags &= ~b2Body.e_islandFlag;
-            }
-         }
-      }
-      for (i = 0;
-      i < stack.length; ++i) {
-         if (!stack[i]) break;
-         stack[i] = null;
-      }
-      for (b = this.m_bodyList;
-      b; b = b.m_next) {
-         if (b.IsAwake() == false || b.IsActive() == false) {
-            continue;
-         }
-         if (b.GetType() == b2Body.b2_staticBody) {
-            continue;
-         }
-         b.SynchronizeFixtures();
-      }
-      this.m_contactManager.FindNewContacts();
-   }
-   b2World.prototype.SolveTOI = function (step) {
-      var b;
-      var fA;
-      var fB;
-      var bA;
-      var bB;
-      var cEdge;
-      var j;
-      var island = this.m_island;
-      island.Initialize(this.m_bodyCount, b2Settings.b2_maxTOIContactsPerIsland, b2Settings.b2_maxTOIJointsPerIsland, null, this.m_contactManager.m_contactListener, this.m_contactSolver);
-      var queue = b2World.s_queue;
-      for (b = this.m_bodyList;
-      b; b = b.m_next) {
-         b.m_flags &= ~b2Body.e_islandFlag;
-         b.m_sweep.t0 = 0.0;
-      }
-      var c;
-      for (c = this.m_contactList;
-      c; c = c.m_next) {
-         c.m_flags &= ~ (b2Contact.e_toiFlag | b2Contact.e_islandFlag);
-      }
-      for (j = this.m_jointList;
-      j; j = j.m_next) {
-         j.m_islandFlag = false;
-      }
-      for (;;) {
-         var minContact = null;
-         var minTOI = 1.0;
-         for (c = this.m_contactList;
-         c; c = c.m_next) {
-            if (c.IsSensor() == true || c.IsEnabled() == false || c.IsContinuous() == false) {
-               continue;
-            }
-            var toi = 1.0;
-            if (c.m_flags & b2Contact.e_toiFlag) {
-               toi = c.m_toi;
-            }
-            else {
-               fA = c.m_fixtureA;
-               fB = c.m_fixtureB;
-               bA = fA.m_body;
-               bB = fB.m_body;
-               if ((bA.GetType() != b2Body.b2_dynamicBody || bA.IsAwake() == false) && (bB.GetType() != b2Body.b2_dynamicBody || bB.IsAwake() == false)) {
-                  continue;
-               }
-               var t0 = bA.m_sweep.t0;
-               if (bA.m_sweep.t0 < bB.m_sweep.t0) {
-                  t0 = bB.m_sweep.t0;
-                  bA.m_sweep.Advance(t0);
-               }
-               else if (bB.m_sweep.t0 < bA.m_sweep.t0) {
-                  t0 = bA.m_sweep.t0;
-                  bB.m_sweep.Advance(t0);
-               }
-               toi = c.ComputeTOI(bA.m_sweep, bB.m_sweep);
-               b2Settings.b2Assert(0.0 <= toi && toi <= 1.0);
-               if (toi > 0.0 && toi < 1.0) {
-                  toi = (1.0 - toi) * t0 + toi;
-                  if (toi > 1) toi = 1;
-               }
-               c.m_toi = toi;
-               c.m_flags |= b2Contact.e_toiFlag;
-            }
-            if (Number.MIN_VALUE < toi && toi < minTOI) {
-               minContact = c;
-               minTOI = toi;
-            }
-         }
-         if (minContact == null || 1.0 - 100.0 * Number.MIN_VALUE < minTOI) {
-            break;
-         }
-         fA = minContact.m_fixtureA;
-         fB = minContact.m_fixtureB;
-         bA = fA.m_body;
-         bB = fB.m_body;
-         b2World.s_backupA.Set(bA.m_sweep);
-         b2World.s_backupB.Set(bB.m_sweep);
-         bA.Advance(minTOI);
-         bB.Advance(minTOI);
-         minContact.Update(this.m_contactManager.m_contactListener);
-         minContact.m_flags &= ~b2Contact.e_toiFlag;
-         if (minContact.IsSensor() == true || minContact.IsEnabled() == false) {
-            bA.m_sweep.Set(b2World.s_backupA);
-            bB.m_sweep.Set(b2World.s_backupB);
-            bA.SynchronizeTransform();
-            bB.SynchronizeTransform();
-            continue;
-         }
-         if (minContact.IsTouching() == false) {
-            continue;
-         }
-         var seed = bA;
-         if (seed.GetType() != b2Body.b2_dynamicBody) {
-            seed = bB;
-         }
-         island.Clear();
-         var queueStart = 0;
-         var queueSize = 0;
-         queue[queueStart + queueSize++] = seed;
-         seed.m_flags |= b2Body.e_islandFlag;
-         while (queueSize > 0) {
-            b = queue[queueStart++];
-            --queueSize;
-            island.AddBody(b);
-            if (b.IsAwake() == false) {
-               b.SetAwake(true);
-            }
-            if (b.GetType() != b2Body.b2_dynamicBody) {
-               continue;
-            }
-            for (cEdge = b.m_contactList;
-            cEdge; cEdge = cEdge.next) {
-               if (island.m_contactCount == island.m_contactCapacity) {
-                  break;
-               }
-               if (cEdge.contact.m_flags & b2Contact.e_islandFlag) {
-                  continue;
-               }
-               if (cEdge.contact.IsSensor() == true || cEdge.contact.IsEnabled() == false || cEdge.contact.IsTouching() == false) {
-                  continue;
-               }
-               island.AddContact(cEdge.contact);
-               cEdge.contact.m_flags |= b2Contact.e_islandFlag;
-               var other = cEdge.other;
-               if (other.m_flags & b2Body.e_islandFlag) {
-                  continue;
-               }
-               if (other.GetType() != b2Body.b2_staticBody) {
-                  other.Advance(minTOI);
-                  other.SetAwake(true);
-               }
-               queue[queueStart + queueSize] = other;
-               ++queueSize;
-               other.m_flags |= b2Body.e_islandFlag;
-            }
-            for (var jEdge = b.m_jointList; jEdge; jEdge = jEdge.next) {
-               if (island.m_jointCount == island.m_jointCapacity) continue;
-               if (jEdge.joint.m_islandFlag == true) continue;
-               other = jEdge.other;
-               if (other.IsActive() == false) {
-                  continue;
-               }
-               island.AddJoint(jEdge.joint);
-               jEdge.joint.m_islandFlag = true;
-               if (other.m_flags & b2Body.e_islandFlag) continue;
-               if (other.GetType() != b2Body.b2_staticBody) {
-                  other.Advance(minTOI);
-                  other.SetAwake(true);
-               }
-               queue[queueStart + queueSize] = other;
-               ++queueSize;
-               other.m_flags |= b2Body.e_islandFlag;
-            }
-         }
-         var subStep = b2World.s_timestep;
-         subStep.warmStarting = false;
-         subStep.dt = (1.0 - minTOI) * step.dt;
-         subStep.inv_dt = 1.0 / subStep.dt;
-         subStep.dtRatio = 0.0;
-         subStep.velocityIterations = step.velocityIterations;
-         subStep.positionIterations = step.positionIterations;
-         island.SolveTOI(subStep);
-         var i = 0;
-         for (i = 0;
-         i < island.m_bodyCount; ++i) {
-            b = island.m_bodies[i];
-            b.m_flags &= ~b2Body.e_islandFlag;
-            if (b.IsAwake() == false) {
-               continue;
-            }
-            if (b.GetType() != b2Body.b2_dynamicBody) {
-               continue;
-            }
-            b.SynchronizeFixtures();
-            for (cEdge = b.m_contactList;
-            cEdge; cEdge = cEdge.next) {
-               cEdge.contact.m_flags &= ~b2Contact.e_toiFlag;
-            }
-         }
-         for (i = 0;
-         i < island.m_contactCount; ++i) {
-            c = island.m_contacts[i];
-            c.m_flags &= ~ (b2Contact.e_toiFlag | b2Contact.e_islandFlag);
-         }
-         for (i = 0;
-         i < island.m_jointCount; ++i) {
-            j = island.m_joints[i];
-            j.m_islandFlag = false;
-         }
-         this.m_contactManager.FindNewContacts();
-      }
-   }
-   b2World.prototype.DrawJoint = function (joint) {
-      var b1 = joint.GetBodyA();
-      var b2 = joint.GetBodyB();
-      var xf1 = b1.m_xf;
-      var xf2 = b2.m_xf;
-      var x1 = xf1.position;
-      var x2 = xf2.position;
-      var p1 = joint.GetAnchorA();
-      var p2 = joint.GetAnchorB();
-      var color = b2World.s_jointColor;
-      switch (joint.m_type) {
-      case b2Joint.e_distanceJoint:
-         this.m_debugDraw.DrawSegment(p1, p2, color);
-         break;
-      case b2Joint.e_pulleyJoint:
-         {
-            var pulley = ((joint instanceof b2PulleyJoint ? joint : null));
-            var s1 = pulley.GetGroundAnchorA();
-            var s2 = pulley.GetGroundAnchorB();
-            this.m_debugDraw.DrawSegment(s1, p1, color);
-            this.m_debugDraw.DrawSegment(s2, p2, color);
-            this.m_debugDraw.DrawSegment(s1, s2, color);
-         }
-         break;
-      case b2Joint.e_mouseJoint:
-         this.m_debugDraw.DrawSegment(p1, p2, color);
-         break;
-      default:
-         if (b1 != this.m_groundBody) this.m_debugDraw.DrawSegment(x1, p1, color);
-         this.m_debugDraw.DrawSegment(p1, p2, color);
-         if (b2 != this.m_groundBody) this.m_debugDraw.DrawSegment(x2, p2, color);
-      }
-   }
-   b2World.prototype.DrawShape = function (shape, xf, color) {
-      switch (shape.m_type) {
-      case b2Shape.e_circleShape:
-         {
-            var circle = ((shape instanceof b2CircleShape ? shape : null));
-            var center = b2Math.MulX(xf, circle.m_p);
-            var radius = circle.m_radius;
-            var axis = xf.R.col1;
-            this.m_debugDraw.DrawSolidCircle(center, radius, axis, color);
-         }
-         break;
-      case b2Shape.e_polygonShape:
-         {
-            var i = 0;
-            var poly = ((shape instanceof b2PolygonShape ? shape : null));
-            var vertexCount = parseInt(poly.GetVertexCount());
-            var localVertices = poly.GetVertices();
-            var vertices = new Vector(vertexCount);
-            for (i = 0;
-            i < vertexCount; ++i) {
-               vertices[i] = b2Math.MulX(xf, localVertices[i]);
-            }
-            this.m_debugDraw.DrawSolidPolygon(vertices, vertexCount, color);
-         }
-         break;
-      case b2Shape.e_edgeShape:
-         {
-            var edge = (shape instanceof b2EdgeShape ? shape : null);
-            this.m_debugDraw.DrawSegment(b2Math.MulX(xf, edge.GetVertex1()), b2Math.MulX(xf, edge.GetVertex2()), color);
-         }
-         break;
-      }
-   }
-   Box2D.postDefs.push(function () {
-      Box2D.Dynamics.b2World.s_timestep2 = new b2TimeStep();
-      Box2D.Dynamics.b2World.s_xf = new b2Transform();
-      Box2D.Dynamics.b2World.s_backupA = new b2Sweep();
-      Box2D.Dynamics.b2World.s_backupB = new b2Sweep();
-      Box2D.Dynamics.b2World.s_timestep = new b2TimeStep();
-      Box2D.Dynamics.b2World.s_queue = new Vector();
-      Box2D.Dynamics.b2World.s_jointColor = new b2Color(0.5, 0.8, 0.8);
-      Box2D.Dynamics.b2World.e_newFixture = 0x0001;
-      Box2D.Dynamics.b2World.e_locked = 0x0002;
-   });
-})();
-(function () {
-   var b2CircleShape = Box2D.Collision.Shapes.b2CircleShape,
-      b2EdgeChainDef = Box2D.Collision.Shapes.b2EdgeChainDef,
-      b2EdgeShape = Box2D.Collision.Shapes.b2EdgeShape,
-      b2MassData = Box2D.Collision.Shapes.b2MassData,
-      b2PolygonShape = Box2D.Collision.Shapes.b2PolygonShape,
-      b2Shape = Box2D.Collision.Shapes.b2Shape,
-      b2CircleContact = Box2D.Dynamics.Contacts.b2CircleContact,
-      b2Contact = Box2D.Dynamics.Contacts.b2Contact,
-      b2ContactConstraint = Box2D.Dynamics.Contacts.b2ContactConstraint,
-      b2ContactConstraintPoint = Box2D.Dynamics.Contacts.b2ContactConstraintPoint,
-      b2ContactEdge = Box2D.Dynamics.Contacts.b2ContactEdge,
-      b2ContactFactory = Box2D.Dynamics.Contacts.b2ContactFactory,
-      b2ContactRegister = Box2D.Dynamics.Contacts.b2ContactRegister,
-      b2ContactResult = Box2D.Dynamics.Contacts.b2ContactResult,
-      b2ContactSolver = Box2D.Dynamics.Contacts.b2ContactSolver,
-      b2EdgeAndCircleContact = Box2D.Dynamics.Contacts.b2EdgeAndCircleContact,
-      b2NullContact = Box2D.Dynamics.Contacts.b2NullContact,
-      b2PolyAndCircleContact = Box2D.Dynamics.Contacts.b2PolyAndCircleContact,
-      b2PolyAndEdgeContact = Box2D.Dynamics.Contacts.b2PolyAndEdgeContact,
-      b2PolygonContact = Box2D.Dynamics.Contacts.b2PolygonContact,
-      b2PositionSolverManifold = Box2D.Dynamics.Contacts.b2PositionSolverManifold,
-      b2Body = Box2D.Dynamics.b2Body,
-      b2BodyDef = Box2D.Dynamics.b2BodyDef,
-      b2ContactFilter = Box2D.Dynamics.b2ContactFilter,
-      b2ContactImpulse = Box2D.Dynamics.b2ContactImpulse,
-      b2ContactListener = Box2D.Dynamics.b2ContactListener,
-      b2ContactManager = Box2D.Dynamics.b2ContactManager,
-      b2DebugDraw = Box2D.Dynamics.b2DebugDraw,
-      b2DestructionListener = Box2D.Dynamics.b2DestructionListener,
-      b2FilterData = Box2D.Dynamics.b2FilterData,
-      b2Fixture = Box2D.Dynamics.b2Fixture,
-      b2FixtureDef = Box2D.Dynamics.b2FixtureDef,
-      b2Island = Box2D.Dynamics.b2Island,
-      b2TimeStep = Box2D.Dynamics.b2TimeStep,
-      b2World = Box2D.Dynamics.b2World,
-      b2Color = Box2D.Common.b2Color,
-      b2internal = Box2D.Common.b2internal,
-      b2Settings = Box2D.Common.b2Settings,
-      b2Mat22 = Box2D.Common.Math.b2Mat22,
-      b2Mat33 = Box2D.Common.Math.b2Mat33,
-      b2Math = Box2D.Common.Math.b2Math,
-      b2Sweep = Box2D.Common.Math.b2Sweep,
-      b2Transform = Box2D.Common.Math.b2Transform,
-      b2Vec2 = Box2D.Common.Math.b2Vec2,
-      b2Vec3 = Box2D.Common.Math.b2Vec3,
-      b2AABB = Box2D.Collision.b2AABB,
-      b2Bound = Box2D.Collision.b2Bound,
-      b2BoundValues = Box2D.Collision.b2BoundValues,
-      b2Collision = Box2D.Collision.b2Collision,
-      b2ContactID = Box2D.Collision.b2ContactID,
-      b2ContactPoint = Box2D.Collision.b2ContactPoint,
-      b2Distance = Box2D.Collision.b2Distance,
-      b2DistanceInput = Box2D.Collision.b2DistanceInput,
-      b2DistanceOutput = Box2D.Collision.b2DistanceOutput,
-      b2DistanceProxy = Box2D.Collision.b2DistanceProxy,
-      b2DynamicTree = Box2D.Collision.b2DynamicTree,
-      b2DynamicTreeBroadPhase = Box2D.Collision.b2DynamicTreeBroadPhase,
-      b2DynamicTreeNode = Box2D.Collision.b2DynamicTreeNode,
-      b2DynamicTreePair = Box2D.Collision.b2DynamicTreePair,
-      b2Manifold = Box2D.Collision.b2Manifold,
-      b2ManifoldPoint = Box2D.Collision.b2ManifoldPoint,
-      b2Point = Box2D.Collision.b2Point,
-      b2RayCastInput = Box2D.Collision.b2RayCastInput,
-      b2RayCastOutput = Box2D.Collision.b2RayCastOutput,
-      b2Segment = Box2D.Collision.b2Segment,
-      b2SeparationFunction = Box2D.Collision.b2SeparationFunction,
-      b2Simplex = Box2D.Collision.b2Simplex,
-      b2SimplexCache = Box2D.Collision.b2SimplexCache,
-      b2SimplexVertex = Box2D.Collision.b2SimplexVertex,
-      b2TimeOfImpact = Box2D.Collision.b2TimeOfImpact,
-      b2TOIInput = Box2D.Collision.b2TOIInput,
-      b2WorldManifold = Box2D.Collision.b2WorldManifold,
-      ClipVertex = Box2D.Collision.ClipVertex,
-      Features = Box2D.Collision.Features,
-      IBroadPhase = Box2D.Collision.IBroadPhase;
-
-   Box2D.inherit(b2CircleContact, Box2D.Dynamics.Contacts.b2Contact);
-   b2CircleContact.prototype.__super = Box2D.Dynamics.Contacts.b2Contact.prototype;
-   b2CircleContact.b2CircleContact = function () {
-      Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this, arguments);
-   };
-   b2CircleContact.Create = function (allocator) {
-      return new b2CircleContact();
-   }
-   b2CircleContact.Destroy = function (contact, allocator) {}
-   b2CircleContact.prototype.Reset = function (fixtureA, fixtureB) {
-      this.__super.Reset.call(this, fixtureA, fixtureB);
-   }
-   b2CircleContact.prototype.Evaluate = function () {
-      var bA = this.m_fixtureA.GetBody();
-      var bB = this.m_fixtureB.GetBody();
-      b2Collision.CollideCircles(this.m_manifold, (this.m_fixtureA.GetShape() instanceof b2CircleShape ? this.m_fixtureA.GetShape() : null), bA.m_xf, (this.m_fixtureB.GetShape() instanceof b2CircleShape ? this.m_fixtureB.GetShape() : null), bB.m_xf);
-   }
-   b2Contact.b2Contact = function () {
-      this.m_nodeA = new b2ContactEdge();
-      this.m_nodeB = new b2ContactEdge();
-      this.m_manifold = new b2Manifold();
-      this.m_oldManifold = new b2Manifold();
-   };
-   b2Contact.prototype.GetManifold = function () {
-      return this.m_manifold;
-   }
-   b2Contact.prototype.GetWorldManifold = function (worldManifold) {
-      var bodyA = this.m_fixtureA.GetBody();
-      var bodyB = this.m_fixtureB.GetBody();
-      var shapeA = this.m_fixtureA.GetShape();
-      var shapeB = this.m_fixtureB.GetShape();
-      worldManifold.Initialize(this.m_manifold, bodyA.GetTransform(), shapeA.m_radius, bodyB.GetTransform(), shapeB.m_radius);
-   }
-   b2Contact.prototype.IsTouching = function () {
-      return (this.m_flags & b2Contact.e_touchingFlag) == b2Contact.e_touchingFlag;
-   }
-   b2Contact.prototype.IsContinuous = function () {
-      return (this.m_flags & b2Contact.e_continuousFlag) == b2Contact.e_continuousFlag;
-   }
-   b2Contact.prototype.SetSensor = function (sensor) {
-      if (sensor) {
-         this.m_flags |= b2Contact.e_sensorFlag;
-      }
-      else {
-         this.m_flags &= ~b2Contact.e_sensorFlag;
-      }
-   }
-   b2Contact.prototype.IsSensor = function () {
-      return (this.m_flags & b2Contact.e_sensorFlag) == b2Contact.e_sensorFlag;
-   }
-   b2Contact.prototype.SetEnabled = function (flag) {
-      if (flag) {
-         this.m_flags |= b2Contact.e_enabledFlag;
-      }
-      else {
-         this.m_flags &= ~b2Contact.e_enabledFlag;
-      }
-   }
-   b2Contact.prototype.IsEnabled = function () {
-      return (this.m_flags & b2Contact.e_enabledFlag) == b2Contact.e_enabledFlag;
-   }
-   b2Contact.prototype.GetNext = function () {
-      return this.m_next;
-   }
-   b2Contact.prototype.GetFixtureA = function () {
-      return this.m_fixtureA;
-   }
-   b2Contact.prototype.GetFixtureB = function () {
-      return this.m_fixtureB;
-   }
-   b2Contact.prototype.FlagForFiltering = function () {
-      this.m_flags |= b2Contact.e_filterFlag;
-   }
-   b2Contact.prototype.b2Contact = function () {}
-   b2Contact.prototype.Reset = function (fixtureA, fixtureB) {
-      if (fixtureA === undefined) fixtureA = null;
-      if (fixtureB === undefined) fixtureB = null;
-      this.m_flags = b2Contact.e_enabledFlag;
-      if (!fixtureA || !fixtureB) {
-         this.m_fixtureA = null;
-         this.m_fixtureB = null;
-         return;
-      }
-      if (fixtureA.IsSensor() || fixtureB.IsSensor()) {
-         this.m_flags |= b2Contact.e_sensorFlag;
-      }
-      var bodyA = fixtureA.GetBody();
-      var bodyB = fixtureB.GetBody();
-      if (bodyA.GetType() != b2Body.b2_dynamicBody || bodyA.IsBullet() || bodyB.GetType() != b2Body.b2_dynamicBody || bodyB.IsBullet()) {
-         this.m_flags |= b2Contact.e_continuousFlag;
-      }
-      this.m_fixtureA = fixtureA;
-      this.m_fixtureB = fixtureB;
-      this.m_manifold.m_pointCount = 0;
-      this.m_prev = null;
-      this.m_next = null;
-      this.m_nodeA.contact = null;
-      this.m_nodeA.prev = null;
-      this.m_nodeA.next = null;
-      this.m_nodeA.other = null;
-      this.m_nodeB.contact = null;
-      this.m_nodeB.prev = null;
-      this.m_nodeB.next = null;
-      this.m_nodeB.other = null;
-   }
-   b2Contact.prototype.Update = function (listener) {
-      var tManifold = this.m_oldManifold;
-      this.m_oldManifold = this.m_manifold;
-      this.m_manifold = tManifold;
-      this.m_flags |= b2Contact.e_enabledFlag;
-      var touching = false;
-      var wasTouching = (this.m_flags & b2Contact.e_touchingFlag) == b2Contact.e_touchingFlag;
-      var bodyA = this.m_fixtureA.m_body;
-      var bodyB = this.m_fixtureB.m_body;
-      var aabbOverlap = this.m_fixtureA.m_aabb.TestOverlap(this.m_fixtureB.m_aabb);
-      if (this.m_flags & b2Contact.e_sensorFlag) {
-         if (aabbOverlap) {
-            var shapeA = this.m_fixtureA.GetShape();
-            var shapeB = this.m_fixtureB.GetShape();
-            var xfA = bodyA.GetTransform();
-            var xfB = bodyB.GetTransform();
-            touching = b2Shape.TestOverlap(shapeA, xfA, shapeB, xfB);
-         }
-         this.m_manifold.m_pointCount = 0;
-      }
-      else {
-         if (bodyA.GetType() != b2Body.b2_dynamicBody || bodyA.IsBullet() || bodyB.GetType() != b2Body.b2_dynamicBody || bodyB.IsBullet()) {
-            this.m_flags |= b2Contact.e_continuousFlag;
-         }
-         else {
-            this.m_flags &= ~b2Contact.e_continuousFlag;
-         }
-         if (aabbOverlap) {
-            this.Evaluate();
-            touching = this.m_manifold.m_pointCount > 0;
-            for (var i = 0; i < this.m_manifold.m_pointCount; ++i) {
-               var mp2 = this.m_manifold.m_points[i];
-               mp2.m_normalImpulse = 0.0;
-               mp2.m_tangentImpulse = 0.0;
-               var id2 = mp2.m_id;
-               for (var j = 0; j < this.m_oldManifold.m_pointCount; ++j) {
-                  var mp1 = this.m_oldManifold.m_points[j];
-                  if (mp1.m_id.key == id2.key) {
-                     mp2.m_normalImpulse = mp1.m_normalImpulse;
-                     mp2.m_tangentImpulse = mp1.m_tangentImpulse;
-                     break;
-                  }
-               }
-            }
-         }
-         else {
-            this.m_manifold.m_pointCount = 0;
-         }
-         if (touching != wasTouching) {
-            bodyA.SetAwake(true);
-            bodyB.SetAwake(true);
-         }
-      }
-      if (touching) {
-         this.m_flags |= b2Contact.e_touchingFlag;
-      }
-      else {
-         this.m_flags &= ~b2Contact.e_touchingFlag;
-      }
-      if (wasTouching == false && touching == true) {
-         listener.BeginContact(this);
-      }
-      if (wasTouching == true && touching == false) {
-         listener.EndContact(this);
-      }
-      if ((this.m_flags & b2Contact.e_sensorFlag) == 0) {
-         listener.PreSolve(this, this.m_oldManifold);
-      }
-   }
-   b2Contact.prototype.Evaluate = function () {}
-   b2Contact.prototype.ComputeTOI = function (sweepA, sweepB) {
-      b2Contact.s_input.proxyA.Set(this.m_fixtureA.GetShape());
-      b2Contact.s_input.proxyB.Set(this.m_fixtureB.GetShape());
-      b2Contact.s_input.sweepA = sweepA;
-      b2Contact.s_input.sweepB = sweepB;
-      b2Contact.s_input.tolerance = b2Settings.b2_linearSlop;
-      return b2TimeOfImpact.TimeOfImpact(b2Contact.s_input);
-   }
-   Box2D.postDefs.push(function () {
-      Box2D.Dynamics.Contacts.b2Contact.e_sensorFlag = 0x0001;
-      Box2D.Dynamics.Contacts.b2Contact.e_continuousFlag = 0x0002;
-      Box2D.Dynamics.Contacts.b2Contact.e_islandFlag = 0x0004;
-      Box2D.Dynamics.Contacts.b2Contact.e_toiFlag = 0x0008;
-      Box2D.Dynamics.Contacts.b2Contact.e_touchingFlag = 0x0010;
-      Box2D.Dynamics.Contacts.b2Contact.e_enabledFlag = 0x0020;
-      Box2D.Dynamics.Contacts.b2Contact.e_filterFlag = 0x0040;
-      Box2D.Dynamics.Contacts.b2Contact.s_input = new b2TOIInput();
-   });
-   b2ContactConstraint.b2ContactConstraint = function () {
-      this.localPlaneNormal = new b2Vec2();
-      this.localPoint = new b2Vec2();
-      this.normal = new b2Vec2();
-      this.normalMass = new b2Mat22();
-      this.K = new b2Mat22();
-   };
-   b2ContactConstraint.prototype.b2ContactConstraint = function () {
-      this.points = new Vector(b2Settings.b2_maxManifoldPoints);
-      for (var i = 0; i < b2Settings.b2_maxManifoldPoints; i++) {
-         this.points[i] = new b2ContactConstraintPoint();
-      }
-   }
-   b2ContactConstraintPoint.b2ContactConstraintPoint = function () {
-      this.localPoint = new b2Vec2();
-      this.rA = new b2Vec2();
-      this.rB = new b2Vec2();
-   };
-   b2ContactEdge.b2ContactEdge = function () {};
-   b2ContactFactory.b2ContactFactory = function () {};
-   b2ContactFactory.prototype.b2ContactFactory = function (allocator) {
-      this.m_allocator = allocator;
-      this.InitializeRegisters();
-   }
-   b2ContactFactory.prototype.AddType = function (createFcn, destroyFcn, type1, type2) {
-      if (type1 === undefined) type1 = 0;
-      if (type2 === undefined) type2 = 0;
-      this.m_registers[type1][type2].createFcn = createFcn;
-      this.m_registers[type1][type2].destroyFcn = destroyFcn;
-      this.m_registers[type1][type2].primary = true;
-      if (type1 != type2) {
-         this.m_registers[type2][type1].createFcn = createFcn;
-         this.m_registers[type2][type1].destroyFcn = destroyFcn;
-         this.m_registers[type2][type1].primary = false;
-      }
-   }
-   b2ContactFactory.prototype.InitializeRegisters = function () {
-      this.m_registers = new Vector(b2Shape.e_shapeTypeCount);
-      for (var i = 0; i < b2Shape.e_shapeTypeCount; i++) {
-         this.m_registers[i] = new Vector(b2Shape.e_shapeTypeCount);
-         for (var j = 0; j < b2Shape.e_shapeTypeCount; j++) {
-            this.m_registers[i][j] = new b2ContactRegister();
-         }
-      }
-      this.AddType(b2CircleContact.Create, b2CircleContact.Destroy, b2Shape.e_circleShape, b2Shape.e_circleShape);
-      this.AddType(b2PolyAndCircleContact.Create, b2PolyAndCircleContact.Destroy, b2Shape.e_polygonShape, b2Shape.e_circleShape);
-      this.AddType(b2PolygonContact.Create, b2PolygonContact.Destroy, b2Shape.e_polygonShape, b2Shape.e_polygonShape);
-      this.AddType(b2EdgeAndCircleContact.Create, b2EdgeAndCircleContact.Destroy, b2Shape.e_edgeShape, b2Shape.e_circleShape);
-      this.AddType(b2PolyAndEdgeContact.Create, b2PolyAndEdgeContact.Destroy, b2Shape.e_polygonShape, b2Shape.e_edgeShape);
-   }
-   b2ContactFactory.prototype.Create = function (fixtureA, fixtureB) {
-      var type1 = parseInt(fixtureA.GetType());
-      var type2 = parseInt(fixtureB.GetType());
-      var reg = this.m_registers[type1][type2];
-      var c;
-      if (reg.pool) {
-         c = reg.pool;
-         reg.pool = c.m_next;
-         reg.poolCount--;
-         c.Reset(fixtureA, fixtureB);
-         return c;
-      }
-      var createFcn = reg.createFcn;
-      if (createFcn != null) {
-         if (reg.primary) {
-            c = createFcn(this.m_allocator);
-            c.Reset(fixtureA, fixtureB);
-            return c;
-         }
-         else {
-            c = createFcn(this.m_allocator);
-            c.Reset(fixtureB, fixtureA);
-            return c;
-         }
-      }
-      else {
-         return null;
-      }
-   }
-   b2ContactFactory.prototype.Destroy = function (contact) {
-      if (contact.m_manifold.m_pointCount > 0) {
-         contact.m_fixtureA.m_body.SetAwake(true);
-         contact.m_fixtureB.m_body.SetAwake(true);
-      }
-      var type1 = parseInt(contact.m_fixtureA.GetType());
-      var type2 = parseInt(contact.m_fixtureB.GetType());
-      var reg = this.m_registers[type1][type2];
-      if (true) {
-         reg.poolCount++;
-         contact.m_next = reg.pool;
-         reg.pool = contact;
-      }
-      var destroyFcn = reg.destroyFcn;
-      destroyFcn(contact, this.m_allocator);
-   }
-   b2ContactRegister.b2ContactRegister = function () {};
-   b2ContactResult.b2ContactResult = function () {
-      this.position = new b2Vec2();
-      this.normal = new b2Vec2();
-      this.id = new b2ContactID();
-   };
-   b2ContactSolver.b2ContactSolver = function () {
-      this.m_step = new b2TimeStep();
-      this.m_constraints = new Vector();
-   };
-   b2ContactSolver.prototype.b2ContactSolver = function () {}
-   b2ContactSolver.prototype.Initialize = function (step, contacts, contactCount, allocator) {
-      if (contactCount === undefined) contactCount = 0;
-      var contact;
-      this.m_step.Set(step);
-      this.m_allocator = allocator;
-      var i = 0;
-      var tVec;
-      var tMat;
-      this.m_constraintCount = contactCount;
-      while (this.m_constraints.length < this.m_constraintCount) {
-         this.m_constraints[this.m_constraints.length] = new b2ContactConstraint();
-      }
-      for (i = 0;
-      i < contactCount; ++i) {
-         contact = contacts[i];
-         var fixtureA = contact.m_fixtureA;
-         var fixtureB = contact.m_fixtureB;
-         var shapeA = fixtureA.m_shape;
-         var shapeB = fixtureB.m_shape;
-         var radiusA = shapeA.m_radius;
-         var radiusB = shapeB.m_radius;
-         var bodyA = fixtureA.m_body;
-         var bodyB = fixtureB.m_body;
-         var manifold = contact.GetManifold();
-         var friction = b2Settings.b2MixFriction(fixtureA.GetFriction(), fixtureB.GetFriction());
-         var restitution = b2Settings.b2MixRestitution(fixtureA.GetRestitution(), fixtureB.GetRestitution());
-         var vAX = bodyA.m_linearVelocity.x;
-         var vAY = bodyA.m_linearVelocity.y;
-         var vBX = bodyB.m_linearVelocity.x;
-         var vBY = bodyB.m_linearVelocity.y;
-         var wA = bodyA.m_angularVelocity;
-         var wB = bodyB.m_angularVelocity;
-         b2Settings.b2Assert(manifold.m_pointCount > 0);
-         b2ContactSolver.s_worldManifold.Initialize(manifold, bodyA.m_xf, radiusA, bodyB.m_xf, radiusB);
-         var normalX = b2ContactSolver.s_worldManifold.m_normal.x;
-         var normalY = b2ContactSolver.s_worldManifold.m_normal.y;
-         var cc = this.m_constraints[i];
-         cc.bodyA = bodyA;
-         cc.bodyB = bodyB;
-         cc.manifold = manifold;
-         cc.normal.x = normalX;
-         cc.normal.y = normalY;
-         cc.pointCount = manifold.m_pointCount;
-         cc.friction = friction;
-         cc.restitution = restitution;
-         cc.localPlaneNormal.x = manifold.m_localPlaneNormal.x;
-         cc.localPlaneNormal.y = manifold.m_localPlaneNormal.y;
-         cc.localPoint.x = manifold.m_localPoint.x;
-         cc.localPoint.y = manifold.m_localPoint.y;
-         cc.radius = radiusA + radiusB;
-         cc.type = manifold.m_type;
-         for (var k = 0; k < cc.pointCount; ++k) {
-            var cp = manifold.m_points[k];
-            var ccp = cc.points[k];
-            ccp.normalImpulse = cp.m_normalImpulse;
-            ccp.tangentImpulse = cp.m_tangentImpulse;
-            ccp.localPoint.SetV(cp.m_localPoint);
-            var rAX = ccp.rA.x = b2ContactSolver.s_worldManifold.m_points[k].x - bodyA.m_sweep.c.x;
-            var rAY = ccp.rA.y = b2ContactSolver.s_worldManifold.m_points[k].y - bodyA.m_sweep.c.y;
-            var rBX = ccp.rB.x = b2ContactSolver.s_worldManifold.m_points[k].x - bodyB.m_sweep.c.x;
-            var rBY = ccp.rB.y = b2ContactSolver.s_worldManifold.m_points[k].y - bodyB.m_sweep.c.y;
-            var rnA = rAX * normalY - rAY * normalX;
-            var rnB = rBX * normalY - rBY * normalX;
-            rnA *= rnA;
-            rnB *= rnB;
-            var kNormal = bodyA.m_invMass + bodyB.m_invMass + bodyA.m_invI * rnA + bodyB.m_invI * rnB;
-            ccp.normalMass = 1.0 / kNormal;
-            var kEqualized = bodyA.m_mass * bodyA.m_invMass + bodyB.m_mass * bodyB.m_invMass;
-            kEqualized += bodyA.m_mass * bodyA.m_invI * rnA + bodyB.m_mass * bodyB.m_invI * rnB;
-            ccp.equalizedMass = 1.0 / kEqualized;
-            var tangentX = normalY;
-            var tangentY = (-normalX);
-            var rtA = rAX * tangentY - rAY * tangentX;
-            var rtB = rBX * tangentY - rBY * tangentX;
-            rtA *= rtA;
-            rtB *= rtB;
-            var kTangent = bodyA.m_invMass + bodyB.m_invMass + bodyA.m_invI * rtA + bodyB.m_invI * rtB;
-            ccp.tangentMass = 1.0 / kTangent;
-            ccp.velocityBias = 0.0;
-            var tX = vBX + ((-wB * rBY)) - vAX - ((-wA * rAY));
-            var tY = vBY + (wB * rBX) - vAY - (wA * rAX);
-            var vRel = cc.normal.x * tX + cc.normal.y * tY;
-            if (vRel < (-b2Settings.b2_velocityThreshold)) {
-               ccp.velocityBias += (-cc.restitution * vRel);
-            }
-         }
-         if (cc.pointCount == 2) {
-            var ccp1 = cc.points[0];
-            var ccp2 = cc.points[1];
-            var invMassA = bodyA.m_invMass;
-            var invIA = bodyA.m_invI;
-            var invMassB = bodyB.m_invMass;
-            var invIB = bodyB.m_invI;
-            var rn1A = ccp1.rA.x * normalY - ccp1.rA.y * normalX;
-            var rn1B = ccp1.rB.x * normalY - ccp1.rB.y * normalX;
-            var rn2A = ccp2.rA.x * normalY - ccp2.rA.y * normalX;
-            var rn2B = ccp2.rB.x * normalY - ccp2.rB.y * normalX;
-            var k11 = invMassA + invMassB + invIA * rn1A * rn1A + invIB * rn1B * rn1B;
-            var k22 = invMassA + invMassB + invIA * rn2A * rn2A + invIB * rn2B * rn2B;
-            var k12 = invMassA + invMassB + invIA * rn1A * rn2A + invIB * rn1B * rn2B;
-            var k_maxConditionNumber = 100.0;
-            if (k11 * k11 < k_maxConditionNumber * (k11 * k22 - k12 * k12)) {
-               cc.K.col1.Set(k11, k12);
-               cc.K.col2.Set(k12, k22);
-               cc.K.GetInverse(cc.normalMass);
-            }
-            else {
-               cc.pointCount = 1;
-            }
-         }
-      }
-   }
-   b2ContactSolver.prototype.InitVelocityConstraints = function (step) {
-      var tVec;
-      var tVec2;
-      var tMat;
-      for (var i = 0; i < this.m_constraintCount; ++i) {
-         var c = this.m_constraints[i];
-         var bodyA = c.bodyA;
-         var bodyB = c.bodyB;
-         var invMassA = bodyA.m_invMass;
-         var invIA = bodyA.m_invI;
-         var invMassB = bodyB.m_invMass;
-         var invIB = bodyB.m_invI;
-         var normalX = c.normal.x;
-         var normalY = c.normal.y;
-         var tangentX = normalY;
-         var tangentY = (-normalX);
-         var tX = 0;
-         var j = 0;
-         var tCount = 0;
-         if (step.warmStarting) {
-            tCount = c.pointCount;
-            for (j = 0;
-            j < tCount; ++j) {
-               var ccp = c.points[j];
-               ccp.normalImpulse *= step.dtRatio;
-               ccp.tangentImpulse *= step.dtRatio;
-               var PX = ccp.normalImpulse * normalX + ccp.tangentImpulse * tangentX;
-               var PY = ccp.normalImpulse * normalY + ccp.tangentImpulse * tangentY;
-               bodyA.m_angularVelocity -= invIA * (ccp.rA.x * PY - ccp.rA.y * PX);
-               bodyA.m_linearVelocity.x -= invMassA * PX;
-               bodyA.m_linearVelocity.y -= invMassA * PY;
-               bodyB.m_angularVelocity += invIB * (ccp.rB.x * PY - ccp.rB.y * PX);
-               bodyB.m_linearVelocity.x += invMassB * PX;
-               bodyB.m_linearVelocity.y += invMassB * PY;
-            }
-         }
-         else {
-            tCount = c.pointCount;
-            for (j = 0;
-            j < tCount; ++j) {
-               var ccp2 = c.points[j];
-               ccp2.normalImpulse = 0.0;
-               ccp2.tangentImpulse = 0.0;
-            }
-         }
-      }
-   }
-   b2ContactSolver.prototype.SolveVelocityConstraints = function () {
-      var j = 0;
-      var ccp;
-      var rAX = 0;
-      var rAY = 0;
-      var rBX = 0;
-      var rBY = 0;
-      var dvX = 0;
-      var dvY = 0;
-      var vn = 0;
-      var vt = 0;
-      var lambda = 0;
-      var maxFriction = 0;
-      var newImpulse = 0;
-      var PX = 0;
-      var PY = 0;
-      var dX = 0;
-      var dY = 0;
-      var P1X = 0;
-      var P1Y = 0;
-      var P2X = 0;
-      var P2Y = 0;
-      var tMat;
-      var tVec;
-      for (var i = 0; i < this.m_constraintCount; ++i) {
-         var c = this.m_constraints[i];
-         var bodyA = c.bodyA;
-         var bodyB = c.bodyB;
-         var wA = bodyA.m_angularVelocity;
-         var wB = bodyB.m_angularVelocity;
-         var vA = bodyA.m_linearVelocity;
-         var vB = bodyB.m_linearVelocity;
-         var invMassA = bodyA.m_invMass;
-         var invIA = bodyA.m_invI;
-         var invMassB = bodyB.m_invMass;
-         var invIB = bodyB.m_invI;
-         var normalX = c.normal.x;
-         var normalY = c.normal.y;
-         var tangentX = normalY;
-         var tangentY = (-normalX);
-         var friction = c.friction;
-         var tX = 0;
-         for (j = 0;
-         j < c.pointCount; j++) {
-            ccp = c.points[j];
-            dvX = vB.x - wB * ccp.rB.y - vA.x + wA * ccp.rA.y;
-            dvY = vB.y + wB * ccp.rB.x - vA.y - wA * ccp.rA.x;
-            vt = dvX * tangentX + dvY * tangentY;
-            lambda = ccp.tangentMass * (-vt);
-            maxFriction = friction * ccp.normalImpulse;
-            newImpulse = b2Math.Clamp(ccp.tangentImpulse + lambda, (-maxFriction), maxFriction);
-            lambda = newImpulse - ccp.tangentImpulse;
-            PX = lambda * tangentX;
-            PY = lambda * tangentY;
-            vA.x -= invMassA * PX;
-            vA.y -= invMassA * PY;
-            wA -= invIA * (ccp.rA.x * PY - ccp.rA.y * PX);
-            vB.x += invMassB * PX;
-            vB.y += invMassB * PY;
-            wB += invIB * (ccp.rB.x * PY - ccp.rB.y * PX);
-            ccp.tangentImpulse = newImpulse;
-         }
-         var tCount = parseInt(c.pointCount);
-         if (c.pointCount == 1) {
-            ccp = c.points[0];
-            dvX = vB.x + ((-wB * ccp.rB.y)) - vA.x - ((-wA * ccp.rA.y));
-            dvY = vB.y + (wB * ccp.rB.x) - vA.y - (wA * ccp.rA.x);
-            vn = dvX * normalX + dvY * normalY;
-            lambda = (-ccp.normalMass * (vn - ccp.velocityBias));
-            newImpulse = ccp.normalImpulse + lambda;
-            newImpulse = newImpulse > 0 ? newImpulse : 0.0;
-            lambda = newImpulse - ccp.normalImpulse;
-            PX = lambda * normalX;
-            PY = lambda * normalY;
-            vA.x -= invMassA * PX;
-            vA.y -= invMassA * PY;
-            wA -= invIA * (ccp.rA.x * PY - ccp.rA.y * PX);
-            vB.x += invMassB * PX;
-            vB.y += invMassB * PY;
-            wB += invIB * (ccp.rB.x * PY - ccp.rB.y * PX);
-            ccp.normalImpulse = newImpulse;
-         }
-         else {
-            var cp1 = c.points[0];
-            var cp2 = c.points[1];
-            var aX = cp1.normalImpulse;
-            var aY = cp2.normalImpulse;
-            var dv1X = vB.x - wB * cp1.rB.y - vA.x + wA * cp1.rA.y;
-            var dv1Y = vB.y + wB * cp1.rB.x - vA.y - wA * cp1.rA.x;
-            var dv2X = vB.x - wB * cp2.rB.y - vA.x + wA * cp2.rA.y;
-            var dv2Y = vB.y + wB * cp2.rB.x - vA.y - wA * cp2.rA.x;
-            var vn1 = dv1X * normalX + dv1Y * normalY;
-            var vn2 = dv2X * normalX + dv2Y * normalY;
-            var bX = vn1 - cp1.velocityBias;
-            var bY = vn2 - cp2.velocityBias;
-            tMat = c.K;
-            bX -= tMat.col1.x * aX + tMat.col2.x * aY;
-            bY -= tMat.col1.y * aX + tMat.col2.y * aY;
-            var k_errorTol = 0.001;
-            for (;;) {
-               tMat = c.normalMass;
-               var xX = (-(tMat.col1.x * bX + tMat.col2.x * bY));
-               var xY = (-(tMat.col1.y * bX + tMat.col2.y * bY));
-               if (xX >= 0.0 && xY >= 0.0) {
-                  dX = xX - aX;
-                  dY = xY - aY;
-                  P1X = dX * normalX;
-                  P1Y = dX * normalY;
-                  P2X = dY * normalX;
-                  P2Y = dY * normalY;
-                  vA.x -= invMassA * (P1X + P2X);
-                  vA.y -= invMassA * (P1Y + P2Y);
-                  wA -= invIA * (cp1.rA.x * P1Y - cp1.rA.y * P1X + cp2.rA.x * P2Y - cp2.rA.y * P2X);
-                  vB.x += invMassB * (P1X + P2X);
-                  vB.y += invMassB * (P1Y + P2Y);
-                  wB += invIB * (cp1.rB.x * P1Y - cp1.rB.y * P1X + cp2.rB.x * P2Y - cp2.rB.y * P2X);
-                  cp1.normalImpulse = xX;
-                  cp2.normalImpulse = xY;
-                  break;
-               }
-               xX = (-cp1.normalMass * bX);
-               xY = 0.0;
-               vn1 = 0.0;
-               vn2 = c.K.col1.y * xX + bY;
-               if (xX >= 0.0 && vn2 >= 0.0) {
-                  dX = xX - aX;
-                  dY = xY - aY;
-                  P1X = dX * normalX;
-                  P1Y = dX * normalY;
-                  P2X = dY * normalX;
-                  P2Y = dY * normalY;
-                  vA.x -= invMassA * (P1X + P2X);
-                  vA.y -= invMassA * (P1Y + P2Y);
-                  wA -= invIA * (cp1.rA.x * P1Y - cp1.rA.y * P1X + cp2.rA.x * P2Y - cp2.rA.y * P2X);
-                  vB.x += invMassB * (P1X + P2X);
-                  vB.y += invMassB * (P1Y + P2Y);
-                  wB += invIB * (cp1.rB.x * P1Y - cp1.rB.y * P1X + cp2.rB.x * P2Y - cp2.rB.y * P2X);
-                  cp1.normalImpulse = xX;
-                  cp2.normalImpulse = xY;
-                  break;
-               }
-               xX = 0.0;
-               xY = (-cp2.normalMass * bY);
-               vn1 = c.K.col2.x * xY + bX;
-               vn2 = 0.0;
-               if (xY >= 0.0 && vn1 >= 0.0) {
-                  dX = xX - aX;
-                  dY = xY - aY;
-                  P1X = dX * normalX;
-                  P1Y = dX * normalY;
-                  P2X = dY * normalX;
-                  P2Y = dY * normalY;
-                  vA.x -= invMassA * (P1X + P2X);
-                  vA.y -= invMassA * (P1Y + P2Y);
-                  wA -= invIA * (cp1.rA.x * P1Y - cp1.rA.y * P1X + cp2.rA.x * P2Y - cp2.rA.y * P2X);
-                  vB.x += invMassB * (P1X + P2X);
-                  vB.y += invMassB * (P1Y + P2Y);
-                  wB += invIB * (cp1.rB.x * P1Y - cp1.rB.y * P1X + cp2.rB.x * P2Y - cp2.rB.y * P2X);
-                  cp1.normalImpulse = xX;
-                  cp2.normalImpulse = xY;
-                  break;
-               }
-               xX = 0.0;
-               xY = 0.0;
-               vn1 = bX;
-               vn2 = bY;
-               if (vn1 >= 0.0 && vn2 >= 0.0) {
-                  dX = xX - aX;
-                  dY = xY - aY;
-                  P1X = dX * normalX;
-                  P1Y = dX * normalY;
-                  P2X = dY * normalX;
-                  P2Y = dY * normalY;
-                  vA.x -= invMassA * (P1X + P2X);
-                  vA.y -= invMassA * (P1Y + P2Y);
-                  wA -= invIA * (cp1.rA.x * P1Y - cp1.rA.y * P1X + cp2.rA.x * P2Y - cp2.rA.y * P2X);
-                  vB.x += invMassB * (P1X + P2X);
-                  vB.y += invMassB * (P1Y + P2Y);
-                  wB += invIB * (cp1.rB.x * P1Y - cp1.rB.y * P1X + cp2.rB.x * P2Y - cp2.rB.y * P2X);
-                  cp1.normalImpulse = xX;
-                  cp2.normalImpulse = xY;
-                  break;
-               }
-               break;
-            }
-         }
-         bodyA.m_angularVelocity = wA;
-         bodyB.m_angularVelocity = wB;
-      }
-   }
-   b2ContactSolver.prototype.FinalizeVelocityConstraints = function () {
-      for (var i = 0; i < this.m_constraintCount; ++i) {
-         var c = this.m_constraints[i];
-         var m = c.manifold;
-         for (var j = 0; j < c.pointCount; ++j) {
-            var point1 = m.m_points[j];
-            var point2 = c.points[j];
-            point1.m_normalImpulse = point2.normalImpulse;
-            point1.m_tangentImpulse = point2.tangentImpulse;
-         }
-      }
-   }
-   b2ContactSolver.prototype.SolvePositionConstraints = function (baumgarte) {
-      if (baumgarte === undefined) baumgarte = 0;
-      var minSeparation = 0.0;
-      for (var i = 0; i < this.m_constraintCount; i++) {
-         var c = this.m_constraints[i];
-         var bodyA = c.bodyA;
-         var bodyB = c.bodyB;
-         var invMassA = bodyA.m_mass * bodyA.m_invMass;
-         var invIA = bodyA.m_mass * bodyA.m_invI;
-         var invMassB = bodyB.m_mass * bodyB.m_invMass;
-         var invIB = bodyB.m_mass * bodyB.m_invI;
-         b2ContactSolver.s_psm.Initialize(c);
-         var normal = b2ContactSolver.s_psm.m_normal;
-         for (var j = 0; j < c.pointCount; j++) {
-            var ccp = c.points[j];
-            var point = b2ContactSolver.s_psm.m_points[j];
-            var separation = b2ContactSolver.s_psm.m_separations[j];
-            var rAX = point.x - bodyA.m_sweep.c.x;
-            var rAY = point.y - bodyA.m_sweep.c.y;
-            var rBX = point.x - bodyB.m_sweep.c.x;
-            var rBY = point.y - bodyB.m_sweep.c.y;
-            minSeparation = minSeparation < separation ? minSeparation : separation;
-            var C = b2Math.Clamp(baumgarte * (separation + b2Settings.b2_linearSlop), (-b2Settings.b2_maxLinearCorrection), 0.0);
-            var impulse = (-ccp.equalizedMass * C);
-            var PX = impulse * normal.x;
-            var PY = impulse * normal.y;bodyA.m_sweep.c.x -= invMassA * PX;
-            bodyA.m_sweep.c.y -= invMassA * PY;
-            bodyA.m_sweep.a -= invIA * (rAX * PY - rAY * PX);
-            bodyA.SynchronizeTransform();
-            bodyB.m_sweep.c.x += invMassB * PX;
-            bodyB.m_sweep.c.y += invMassB * PY;
-            bodyB.m_sweep.a += invIB * (rBX * PY - rBY * PX);
-            bodyB.SynchronizeTransform();
-         }
-      }
-      return minSeparation > (-1.5 * b2Settings.b2_linearSlop);
-   }
-   Box2D.postDefs.push(function () {
-      Box2D.Dynamics.Contacts.b2ContactSolver.s_worldManifold = new b2WorldManifold();
-      Box2D.Dynamics.Contacts.b2ContactSolver.s_psm = new b2PositionSolverManifold();
-   });
-   Box2D.inherit(b2EdgeAndCircleContact, Box2D.Dynamics.Contacts.b2Contact);
-   b2EdgeAndCircleContact.prototype.__super = Box2D.Dynamics.Contacts.b2Contact.prototype;
-   b2EdgeAndCircleContact.b2EdgeAndCircleContact = function () {
-      Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this, arguments);
-   };
-   b2EdgeAndCircleContact.Create = function (allocator) {
-      return new b2EdgeAndCircleContact();
-   }
-   b2EdgeAndCircleContact.Destroy = function (contact, allocator) {}
-   b2EdgeAndCircleContact.prototype.Reset = function (fixtureA, fixtureB) {
-      this.__super.Reset.call(this, fixtureA, fixtureB);
-   }
-   b2EdgeAndCircleContact.prototype.Evaluate = function () {
-      var bA = this.m_fixtureA.GetBody();
-      var bB = this.m_fixtureB.GetBody();
-      this.b2CollideEdgeAndCircle(this.m_manifold, (this.m_fixtureA.GetShape() instanceof b2EdgeShape ? this.m_fixtureA.GetShape() : null), bA.m_xf, (this.m_fixtureB.GetShape() instanceof b2CircleShape ? this.m_fixtureB.GetShape() : null), bB.m_xf);
-   }
-   b2EdgeAndCircleContact.prototype.b2CollideEdgeAndCircle = function (manifold, edge, xf1, circle, xf2) {}
-   Box2D.inherit(b2NullContact, Box2D.Dynamics.Contacts.b2Contact);
-   b2NullContact.prototype.__super = Box2D.Dynamics.Contacts.b2Contact.prototype;
-   b2NullContact.b2NullContact = function () {
-      Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this, arguments);
-   };
-   b2NullContact.prototype.b2NullContact = function () {
-      this.__super.b2Contact.call(this);
-   }
-   b2NullContact.prototype.Evaluate = function () {}
-   Box2D.inherit(b2PolyAndCircleContact, Box2D.Dynamics.Contacts.b2Contact);
-   b2PolyAndCircleContact.prototype.__super = Box2D.Dynamics.Contacts.b2Contact.prototype;
-   b2PolyAndCircleContact.b2PolyAndCircleContact = function () {
-      Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this, arguments);
-   };
-   b2PolyAndCircleContact.Create = function (allocator) {
-      return new b2PolyAndCircleContact();
-   }
-   b2PolyAndCircleContact.Destroy = function (contact, allocator) {}
-   b2PolyAndCircleContact.prototype.Reset = function (fixtureA, fixtureB) {
-      this.__super.Reset.call(this, fixtureA, fixtureB);
-      b2Settings.b2Assert(fixtureA.GetType() == b2Shape.e_polygonShape);
-      b2Settings.b2Assert(fixtureB.GetType() == b2Shape.e_circleShape);
-   }
-   b2PolyAndCircleContact.prototype.Evaluate = function () {
-      var bA = this.m_fixtureA.m_body;
-      var bB = this.m_fixtureB.m_body;
-      b2Collision.CollidePolygonAndCircle(this.m_manifold, (this.m_fixtureA.GetShape() instanceof b2PolygonShape ? this.m_fixtureA.GetShape() : null), bA.m_xf, (this.m_fixtureB.GetShape() instanceof b2CircleShape ? this.m_fixtureB.GetShape() : null), bB.m_xf);
-   }
-   Box2D.inherit(b2PolyAndEdgeContact, Box2D.Dynamics.Contacts.b2Contact);
-   b2PolyAndEdgeContact.prototype.__super = Box2D.Dynamics.Contacts.b2Contact.prototype;
-   b2PolyAndEdgeContact.b2PolyAndEdgeContact = function () {
-      Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this, arguments);
-   };
-   b2PolyAndEdgeContact.Create = function (allocator) {
-      return new b2PolyAndEdgeContact();
-   }
-   b2PolyAndEdgeContact.Destroy = function (contact, allocator) {}
-   b2PolyAndEdgeContact.prototype.Reset = function (fixtureA, fixtureB) {
-      this.__super.Reset.call(this, fixtureA, fixtureB);
-      b2Settings.b2Assert(fixtureA.GetType() == b2Shape.e_polygonShape);
-      b2Settings.b2Assert(fixtureB.GetType() == b2Shape.e_edgeShape);
-   }
-   b2PolyAndEdgeContact.prototype.Evaluate = function () {
-      var bA = this.m_fixtureA.GetBody();
-      var bB = this.m_fixtureB.GetBody();
-      this.b2CollidePolyAndEdge(this.m_manifold, (this.m_fixtureA.GetShape() instanceof b2PolygonShape ? this.m_fixtureA.GetShape() : null), bA.m_xf, (this.m_fixtureB.GetShape() instanceof b2EdgeShape ? this.m_fixtureB.GetShape() : null), bB.m_xf);
-   }
-   b2PolyAndEdgeContact.prototype.b2CollidePolyAndEdge = function (manifold, polygon, xf1, edge, xf2) {}
-   Box2D.inherit(b2PolygonContact, Box2D.Dynamics.Contacts.b2Contact);
-   b2PolygonContact.prototype.__super = Box2D.Dynamics.Contacts.b2Contact.prototype;
-   b2PolygonContact.b2PolygonContact = function () {
-      Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this, arguments);
-   };
-   b2PolygonContact.Create = function (allocator) {
-      return new b2PolygonContact();
-   }
-   b2PolygonContact.Destroy = function (contact, allocator) {}
-   b2PolygonContact.prototype.Reset = function (fixtureA, fixtureB) {
-      this.__super.Reset.call(this, fixtureA, fixtureB);
-   }
-   b2PolygonContact.prototype.Evaluate = function () {
-      var bA = this.m_fixtureA.GetBody();
-      var bB = this.m_fixtureB.GetBody();
-      b2Collision.CollidePolygons(this.m_manifold, (this.m_fixtureA.GetShape() instanceof b2PolygonShape ? this.m_fixtureA.GetShape() : null), bA.m_xf, (this.m_fixtureB.GetShape() instanceof b2PolygonShape ? this.m_fixtureB.GetShape() : null), bB.m_xf);
-   }
-   b2PositionSolverManifold.b2PositionSolverManifold = function () {};
-   b2PositionSolverManifold.prototype.b2PositionSolverManifold = function () {
-      this.m_normal = new b2Vec2();
-      this.m_separations = new Vector_a2j_Number(b2Settings.b2_maxManifoldPoints);
-      this.m_points = new Vector(b2Settings.b2_maxManifoldPoints);
-      for (var i = 0; i < b2Settings.b2_maxManifoldPoints; i++) {
-         this.m_points[i] = new b2Vec2();
-      }
-   }
-   b2PositionSolverManifold.prototype.Initialize = function (cc) {
-      b2Settings.b2Assert(cc.pointCount > 0);
-      var i = 0;
-      var clipPointX = 0;
-      var clipPointY = 0;
-      var tMat;
-      var tVec;
-      var planePointX = 0;
-      var planePointY = 0;
-      switch (cc.type) {
-      case b2Manifold.e_circles:
-         {
-            tMat = cc.bodyA.m_xf.R;
-            tVec = cc.localPoint;
-            var pointAX = cc.bodyA.m_xf.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-            var pointAY = cc.bodyA.m_xf.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-            tMat = cc.bodyB.m_xf.R;
-            tVec = cc.points[0].localPoint;
-            var pointBX = cc.bodyB.m_xf.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-            var pointBY = cc.bodyB.m_xf.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-            var dX = pointBX - pointAX;
-            var dY = pointBY - pointAY;
-            var d2 = dX * dX + dY * dY;
-            if (d2 > Number.MIN_VALUE * Number.MIN_VALUE) {
-               var d = Math.sqrt(d2);
-               this.m_normal.x = dX / d;
-               this.m_normal.y = dY / d;
-            }
-            else {
-               this.m_normal.x = 1.0;
-               this.m_normal.y = 0.0;
-            }
-            this.m_points[0].x = 0.5 * (pointAX + pointBX);
-            this.m_points[0].y = 0.5 * (pointAY + pointBY);
-            this.m_separations[0] = dX * this.m_normal.x + dY * this.m_normal.y - cc.radius;
-         }
-         break;
-      case b2Manifold.e_faceA:
-         {
-            tMat = cc.bodyA.m_xf.R;
-            tVec = cc.localPlaneNormal;
-            this.m_normal.x = tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
-            this.m_normal.y = tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
-            tMat = cc.bodyA.m_xf.R;
-            tVec = cc.localPoint;
-            planePointX = cc.bodyA.m_xf.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-            planePointY = cc.bodyA.m_xf.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-            tMat = cc.bodyB.m_xf.R;
-            for (i = 0;
-            i < cc.pointCount; ++i) {
-               tVec = cc.points[i].localPoint;
-               clipPointX = cc.bodyB.m_xf.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-               clipPointY = cc.bodyB.m_xf.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-               this.m_separations[i] = (clipPointX - planePointX) * this.m_normal.x + (clipPointY - planePointY) * this.m_normal.y - cc.radius;
-               this.m_points[i].x = clipPointX;
-               this.m_points[i].y = clipPointY;
-            }
-         }
-         break;
-      case b2Manifold.e_faceB:
-         {
-            tMat = cc.bodyB.m_xf.R;
-            tVec = cc.localPlaneNormal;
-            this.m_normal.x = tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
-            this.m_normal.y = tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
-            tMat = cc.bodyB.m_xf.R;
-            tVec = cc.localPoint;
-            planePointX = cc.bodyB.m_xf.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-            planePointY = cc.bodyB.m_xf.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-            tMat = cc.bodyA.m_xf.R;
-            for (i = 0;
-            i < cc.pointCount; ++i) {
-               tVec = cc.points[i].localPoint;
-               clipPointX = cc.bodyA.m_xf.position.x + (tMat.col1.x * tVec.x + tMat.col2.x * tVec.y);
-               clipPointY = cc.bodyA.m_xf.position.y + (tMat.col1.y * tVec.x + tMat.col2.y * tVec.y);
-               this.m_separations[i] = (clipPointX - planePointX) * this.m_normal.x + (clipPointY - planePointY) * this.m_normal.y - cc.radius;
-               this.m_points[i].Set(clipPointX, clipPointY);
-            }
-            this.m_normal.x *= (-1);
-            this.m_normal.y *= (-1);
-         }
-         break;
-      }
-   }
-   Box2D.postDefs.push(function () {
-      Box2D.Dynamics.Contacts.b2PositionSolverManifold.circlePointA = new b2Vec2();
-      Box2D.Dynamics.Contacts.b2PositionSolverManifold.circlePointB = new b2Vec2();
-   });
-})();
-(function () {
-   var b2Body = Box2D.Dynamics.b2Body,
-      b2BodyDef = Box2D.Dynamics.b2BodyDef,
-      b2ContactFilter = Box2D.Dynamics.b2ContactFilter,
-      b2ContactImpulse = Box2D.Dynamics.b2ContactImpulse,
-      b2ContactListener = Box2D.Dynamics.b2ContactListener,
-      b2ContactManager = Box2D.Dynamics.b2ContactManager,
-      b2DebugDraw = Box2D.Dynamics.b2DebugDraw,
-      b2DestructionListener = Box2D.Dynamics.b2DestructionListener,
-      b2FilterData = Box2D.Dynamics.b2FilterData,
-      b2Fixture = Box2D.Dynamics.b2Fixture,
-      b2FixtureDef = Box2D.Dynamics.b2FixtureDef,
-      b2Island = Box2D.Dynamics.b2Island,
-      b2TimeStep = Box2D.Dynamics.b2TimeStep,
-      b2World = Box2D.Dynamics.b2World,
-      b2Mat22 = Box2D.Common.Math.b2Mat22,
-      b2Mat33 = Box2D.Common.Math.b2Mat33,
-      b2Math = Box2D.Common.Math.b2Math,
-      b2Sweep = Box2D.Common.Math.b2Sweep,
-      b2Transform = Box2D.Common.Math.b2Transform,
-      b2Vec2 = Box2D.Common.Math.b2Vec2,
-      b2Vec3 = Box2D.Common.Math.b2Vec3,
-      b2Color = Box2D.Common.b2Color,
-      b2internal = Box2D.Common.b2internal,
-      b2Settings = Box2D.Common.b2Settings,
-      b2CircleShape = Box2D.Collision.Shapes.b2CircleShape,
-      b2EdgeChainDef = Box2D.Collision.Shapes.b2EdgeChainDef,
-      b2EdgeShape = Box2D.Collision.Shapes.b2EdgeShape,
-      b2MassData = Box2D.Collision.Shapes.b2MassData,
-      b2PolygonShape = Box2D.Collision.Shapes.b2PolygonShape,
-      b2Shape = Box2D.Collision.Shapes.b2Shape,
-      b2BuoyancyController = Box2D.Dynamics.Controllers.b2BuoyancyController,
-      b2ConstantAccelController = Box2D.Dynamics.Controllers.b2ConstantAccelController,
-      b2ConstantForceController = Box2D.Dynamics.Controllers.b2ConstantForceController,
-      b2Controller = Box2D.Dynamics.Controllers.b2Controller,
-      b2ControllerEdge = Box2D.Dynamics.Controllers.b2ControllerEdge,
-      b2GravityController = Box2D.Dynamics.Controllers.b2GravityController,
-      b2TensorDampingController = Box2D.Dynamics.Controllers.b2TensorDampingController;
-
-   Box2D.inherit(b2BuoyancyController, Box2D.Dynamics.Controllers.b2Controller);
-   b2BuoyancyController.prototype.__super = Box2D.Dynamics.Controllers.b2Controller.prototype;
-   b2BuoyancyController.b2BuoyancyController = function () {
-      Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this, arguments);
-      this.normal = new b2Vec2(0, (-1));
-      this.offset = 0;
-      this.density = 0;
-      this.velocity = new b2Vec2(0, 0);
-      this.linearDrag = 2;
-      this.angularDrag = 1;
-      this.useDensity = false;
-      this.useWorldGravity = true;
-      this.gravity = null;
-   };
-   b2BuoyancyController.prototype.Step = function (step) {
-      if (!this.m_bodyList) return;
-      if (this.useWorldGravity) {
-         this.gravity = this.GetWorld().GetGravity().Copy();
-      }
-      for (var i = this.m_bodyList; i; i = i.nextBody) {
-         var body = i.body;
-         if (body.IsAwake() == false) {
-            continue;
-         }
-         var areac = new b2Vec2();
-         var massc = new b2Vec2();
-         var area = 0.0;
-         var mass = 0.0;
-         for (var fixture = body.GetFixtureList(); fixture; fixture = fixture.GetNext()) {
-            var sc = new b2Vec2();
-            var sarea = fixture.GetShape().ComputeSubmergedArea(this.normal, this.offset, body.GetTransform(), sc);
-            area += sarea;
-            areac.x += sarea * sc.x;
-            areac.y += sarea * sc.y;
-            var shapeDensity = 0;
-            if (this.useDensity) {
-               shapeDensity = 1;
-            }
-            else {
-               shapeDensity = 1;
-            }
-            mass += sarea * shapeDensity;
-            massc.x += sarea * sc.x * shapeDensity;
-            massc.y += sarea * sc.y * shapeDensity;
-         }
-         areac.x /= area;
-         areac.y /= area;
-         massc.x /= mass;
-         massc.y /= mass;
-         if (area < Number.MIN_VALUE) continue;
-         var buoyancyForce = this.gravity.GetNegative();
-         buoyancyForce.Multiply(this.density * area);
-         body.ApplyForce(buoyancyForce, massc);
-         var dragForce = body.GetLinearVelocityFromWorldPoint(areac);
-         dragForce.Subtract(this.velocity);
-         dragForce.Multiply((-this.linearDrag * area));
-         body.ApplyForce(dragForce, areac);
-         body.ApplyTorque((-body.GetInertia() / body.GetMass() * area * body.GetAngularVelocity() * this.angularDrag));
-      }
-   }
-   b2BuoyancyController.prototype.Draw = function (debugDraw) {
-      var r = 1000;
-      var p1 = new b2Vec2();
-      var p2 = new b2Vec2();
-      p1.x = this.normal.x * this.offset + this.normal.y * r;
-      p1.y = this.normal.y * this.offset - this.normal.x * r;
-      p2.x = this.normal.x * this.offset - this.normal.y * r;
-      p2.y = this.normal.y * this.offset + this.normal.x * r;
-      var color = new b2Color(0, 0, 1);
-      debugDraw.DrawSegment(p1, p2, color);
-   }
-   Box2D.inherit(b2ConstantAccelController, Box2D.Dynamics.Controllers.b2Controller);
-   b2ConstantAccelController.prototype.__super = Box2D.Dynamics.Controllers.b2Controller.prototype;
-   b2ConstantAccelController.b2ConstantAccelController = function () {
-      Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this, arguments);
-      this.A = new b2Vec2(0, 0);
-   };
-   b2ConstantAccelController.prototype.Step = function (step) {
-      var smallA = new b2Vec2(this.A.x * step.dt, this.A.y * step.dt);
-      for (var i = this.m_bodyList; i; i = i.nextBody) {
-         var body = i.body;
-         if (!body.IsAwake()) continue;
-         body.SetLinearVelocity(new b2Vec2(body.GetLinearVelocity().x + smallA.x, body.GetLinearVelocity().y + smallA.y));
-      }
-   }
-   Box2D.inherit(b2ConstantForceController, Box2D.Dynamics.Controllers.b2Controller);
-   b2ConstantForceController.prototype.__super = Box2D.Dynamics.Controllers.b2Controller.prototype;
-   b2ConstantForceController.b2ConstantForceController = function () {
-      Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this, arguments);
-      this.F = new b2Vec2(0, 0);
-   };
-   b2ConstantForceController.prototype.Step = function (step) {
-      for (var i = this.m_bodyList; i; i = i.nextBody) {
-         var body = i.body;
-         if (!body.IsAwake()) continue;
-         body.ApplyForce(this.F, body.GetWorldCenter());
-      }
-   }
-   b2Controller.b2Controller = function () {};
-   b2Controller.prototype.Step = function (step) {}
-   b2Controller.prototype.Draw = function (debugDraw) {}
-   b2Controller.prototype.AddBody = function (body) {
-      var edge = new b2ControllerEdge();
-      edge.controller = this;
-      edge.body = body;
-      edge.nextBody = this.m_bodyList;
-      edge.prevBody = null;
-      this.m_bodyList = edge;
-      if (edge.nextBody) edge.nextBody.prevBody = edge;
-      this.m_bodyCount++;
-      edge.nextController = body.m_controllerList;
-      edge.prevController = null;
-      body.m_controllerList = edge;
-      if (edge.nextController) edge.nextController.prevController = edge;
-      body.m_controllerCount++;
-   }
-   b2Controller.prototype.RemoveBody = function (body) {
-      var edge = body.m_controllerList;
-      while (edge && edge.controller != this)
-      edge = edge.nextController;
-      if (edge.prevBody) edge.prevBody.nextBody = edge.nextBody;
-      if (edge.nextBody) edge.nextBody.prevBody = edge.prevBody;
-      if (edge.nextController) edge.nextController.prevController = edge.prevController;
-      if (edge.prevController) edge.prevController.nextController = edge.nextController;
-      if (this.m_bodyList == edge) this.m_bodyList = edge.nextBody;
-      if (body.m_controllerList == edge) body.m_controllerList = edge.nextController;
-      body.m_controllerCount--;
-      this.m_bodyCount--;
-   }
-   b2Controller.prototype.Clear = function () {
-      while (this.m_bodyList)
-      this.RemoveBody(this.m_bodyList.body);
-   }
-   b2Controller.prototype.GetNext = function () {
-      return this.m_next;
-   }
-   b2Controller.prototype.GetWorld = function () {
-      return this.m_world;
-   }
-   b2Controller.prototype.GetBodyList = function () {
-      return this.m_bodyList;
-   }
-   b2ControllerEdge.b2ControllerEdge = function () {};
-   Box2D.inherit(b2GravityController, Box2D.Dynamics.Controllers.b2Controller);
-   b2GravityController.prototype.__super = Box2D.Dynamics.Controllers.b2Controller.prototype;
-   b2GravityController.b2GravityController = function () {
-      Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this, arguments);
-      this.G = 1;
-      this.invSqr = true;
-   };
-   b2GravityController.prototype.Step = function (step) {
-      var i = null;
-      var body1 = null;
-      var p1 = null;
-      var mass1 = 0;
-      var j = null;
-      var body2 = null;
-      var p2 = null;
-      var dx = 0;
-      var dy = 0;
-      var r2 = 0;
-      var f = null;
-      if (this.invSqr) {
-         for (i = this.m_bodyList;
-         i; i = i.nextBody) {
-            body1 = i.body;
-            p1 = body1.GetWorldCenter();
-            mass1 = body1.GetMass();
-            for (j = this.m_bodyList;
-            j != i; j = j.nextBody) {
-               body2 = j.body;
-               p2 = body2.GetWorldCenter();
-               dx = p2.x - p1.x;
-               dy = p2.y - p1.y;
-               r2 = dx * dx + dy * dy;
-               if (r2 < Number.MIN_VALUE) continue;
-               f = new b2Vec2(dx, dy);
-               f.Multiply(this.G / r2 / Math.sqrt(r2) * mass1 * body2.GetMass());
-               if (body1.IsAwake()) body1.ApplyForce(f, p1);
-               f.Multiply((-1));
-               if (body2.IsAwake()) body2.ApplyForce(f, p2);
-            }
-         }
-      }
-      else {
-         for (i = this.m_bodyList;
-         i; i = i.nextBody) {
-            body1 = i.body;
-            p1 = body1.GetWorldCenter();
-            mass1 = body1.GetMass();
-            for (j = this.m_bodyList;
-            j != i; j = j.nextBody) {
-               body2 = j.body;
-               p2 = body2.GetWorldCenter();
-               dx = p2.x - p1.x;
-               dy = p2.y - p1.y;
-               r2 = dx * dx + dy * dy;
-               if (r2 < Number.MIN_VALUE) continue;
-               f = new b2Vec2(dx, dy);
-               f.Multiply(this.G / r2 * mass1 * body2.GetMass());
-               if (body1.IsAwake()) body1.ApplyForce(f, p1);
-               f.Multiply((-1));
-               if (body2.IsAwake()) body2.ApplyForce(f, p2);
-            }
-         }
-      }
-   }
-   Box2D.inherit(b2TensorDampingController, Box2D.Dynamics.Controllers.b2Controller);
-   b2TensorDampingController.prototype.__super = Box2D.Dynamics.Controllers.b2Controller.prototype;
-   b2TensorDampingController.b2TensorDampingController = function () {
-      Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this, arguments);
-      this.T = new b2Mat22();
-      this.maxTimestep = 0;
-   };
-   b2TensorDampingController.prototype.SetAxisAligned = function (xDamping, yDamping) {
-      if (xDamping === undefined) xDamping = 0;
-      if (yDamping === undefined) yDamping = 0;
-      this.T.col1.x = (-xDamping);
-      this.T.col1.y = 0;
-      this.T.col2.x = 0;
-      this.T.col2.y = (-yDamping);
-      if (xDamping > 0 || yDamping > 0) {
-         this.maxTimestep = 1 / Math.max(xDamping, yDamping);
-      }
-      else {
-         this.maxTimestep = 0;
-      }
-   }
-   b2TensorDampingController.prototype.Step = function (step) {
-      var timestep = step.dt;
-      if (timestep <= Number.MIN_VALUE) return;
-      if (timestep > this.maxTimestep && this.maxTimestep > 0) timestep = this.maxTimestep;
-      for (var i = this.m_bodyList; i; i = i.nextBody) {
-         var body = i.body;
-         if (!body.IsAwake()) {
-            continue;
-         }
-         var damping = body.GetWorldVector(b2Math.MulMV(this.T, body.GetLocalVector(body.GetLinearVelocity())));
-         body.SetLinearVelocity(new b2Vec2(body.GetLinearVelocity().x + damping.x * timestep, body.GetLinearVelocity().y + damping.y * timestep));
-      }
-   }
-})();
-(function () {
-   var b2Color = Box2D.Common.b2Color,
-      b2internal = Box2D.Common.b2internal,
-      b2Settings = Box2D.Common.b2Settings,
-      b2Mat22 = Box2D.Common.Math.b2Mat22,
-      b2Mat33 = Box2D.Common.Math.b2Mat33,
-      b2Math = Box2D.Common.Math.b2Math,
-      b2Sweep = Box2D.Common.Math.b2Sweep,
-      b2Transform = Box2D.Common.Math.b2Transform,
-      b2Vec2 = Box2D.Common.Math.b2Vec2,
-      b2Vec3 = Box2D.Common.Math.b2Vec3,
-      b2DistanceJoint = Box2D.Dynamics.Joints.b2DistanceJoint,
-      b2DistanceJointDef = Box2D.Dynamics.Joints.b2DistanceJointDef,
-      b2FrictionJoint = Box2D.Dynamics.Joints.b2FrictionJoint,
-      b2FrictionJointDef = Box2D.Dynamics.Joints.b2FrictionJointDef,
-      b2GearJoint = Box2D.Dynamics.Joints.b2GearJoint,
-      b2GearJointDef = Box2D.Dynamics.Joints.b2GearJointDef,
-      b2Jacobian = Box2D.Dynamics.Joints.b2Jacobian,
-      b2Joint = Box2D.Dynamics.Joints.b2Joint,
-      b2JointDef = Box2D.Dynamics.Joints.b2JointDef,
-      b2JointEdge = Box2D.Dynamics.Joints.b2JointEdge,
-      b2LineJoint = Box2D.Dynamics.Joints.b2LineJoint,
-      b2LineJointDef = Box2D.Dynamics.Joints.b2LineJointDef,
-      b2MouseJoint = Box2D.Dynamics.Joints.b2MouseJoint,
-      b2MouseJointDef = Box2D.Dynamics.Joints.b2MouseJointDef,
-      b2PrismaticJoint = Box2D.Dynamics.Joints.b2PrismaticJoint,
-      b2PrismaticJointDef = Box2D.Dynamics.Joints.b2PrismaticJointDef,
-      b2PulleyJoint = Box2D.Dynamics.Joints.b2PulleyJoint,
-      b2PulleyJointDef = Box2D.Dynamics.Joints.b2PulleyJointDef,
-      b2RevoluteJoint = Box2D.Dynamics.Joints.b2RevoluteJoint,
-      b2RevoluteJointDef = Box2D.Dynamics.Joints.b2RevoluteJointDef,
-      b2WeldJoint = Box2D.Dynamics.Joints.b2WeldJoint,
-      b2WeldJointDef = Box2D.Dynamics.Joints.b2WeldJointDef,
-      b2Body = Box2D.Dynamics.b2Body,
-      b2BodyDef = Box2D.Dynamics.b2BodyDef,
-      b2ContactFilter = Box2D.Dynamics.b2ContactFilter,
-      b2ContactImpulse = Box2D.Dynamics.b2ContactImpulse,
-      b2ContactListener = Box2D.Dynamics.b2ContactListener,
-      b2ContactManager = Box2D.Dynamics.b2ContactManager,
-      b2DebugDraw = Box2D.Dynamics.b2DebugDraw,
-      b2DestructionListener = Box2D.Dynamics.b2DestructionListener,
-      b2FilterData = Box2D.Dynamics.b2FilterData,
-      b2Fixture = Box2D.Dynamics.b2Fixture,
-      b2FixtureDef = Box2D.Dynamics.b2FixtureDef,
-      b2Island = Box2D.Dynamics.b2Island,
-      b2TimeStep = Box2D.Dynamics.b2TimeStep,
-      b2World = Box2D.Dynamics.b2World;
-
-   Box2D.inherit(b2DistanceJoint, Box2D.Dynamics.Joints.b2Joint);
-   b2DistanceJoint.prototype.__super = Box2D.Dynamics.Joints.b2Joint.prototype;
-   b2DistanceJoint.b2DistanceJoint = function () {
-      Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this, arguments);
-      this.m_localAnchor1 = new b2Vec2();
-      this.m_localAnchor2 = new b2Vec2();
-      this.m_u = new b2Vec2();
-   };
-   b2DistanceJoint.prototype.GetAnchorA = function () {
-      return this.m_bodyA.GetWorldPoint(this.m_localAnchor1);
-   }
-   b2DistanceJoint.prototype.GetAnchorB = function () {
-      return this.m_bodyB.GetWorldPoint(this.m_localAnchor2);
-   }
-   b2DistanceJoint.prototype.GetReactionForce = function (inv_dt) {
-      if (inv_dt === undefined) inv_dt = 0;
-      return new b2Vec2(inv_dt * this.m_impulse * this.m_u.x, inv_dt * this.m_impulse * this.m_u.y);
-   }
-   b2DistanceJoint.prototype.GetReactionTorque = function (inv_dt) {
-      if (inv_dt === undefined) inv_dt = 0;
-      return 0.0;
-   }
-   b2DistanceJoint.prototype.GetLength = function () {
-      return this.m_length;
-   }
-   b2DistanceJoint.prototype.SetLength = function (length) {
-      if (length === undefined) length = 0;
-      this.m_length = length;
-   }
-   b2DistanceJoint.prototype.GetFrequency = function () {
-      return this.m_frequencyHz;
-   }
-   b2DistanceJoint.prototype.SetFrequency = function (hz) {
-      if (hz === undefined) hz = 0;
-      this.m_frequencyHz = hz;
-   }
-   b2DistanceJoint.prototype.GetDampingRatio = function () {
-      return this.m_dampingRatio;
-   }
-   b2DistanceJoint.prototype.SetDampingRatio = function (ratio) {
-      if (ratio === undefined) ratio = 0;
-      this.m_dampingRatio = ratio;
-   }
-   b2DistanceJoint.prototype.b2DistanceJoint = function (def) {
-      this.__super.b2Joint.call(this, def);
-      var tMat;
-      var tX = 0;
-      var tY = 0;
-      this.m_localAnchor1.SetV(def.localAnchorA);
-      this.m_localAnchor2.SetV(def.localAnchorB);
-      this.m_length = def.length;
-      this.m_frequencyHz = def.frequencyHz;
-      this.m_dampingRatio = def.dampingRatio;
-      this.m_impulse = 0.0;
-      this.m_gamma = 0.0;
-      this.m_bias = 0.0;
-   }
-   b2DistanceJoint.prototype.InitVelocityConstraints = function (step) {
-      var tMat;
-      var tX = 0;
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      tMat = bA.m_xf.R;
-      var r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
-      var r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
-      tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
-      r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
-      r1X = tX;
-      tMat = bB.m_xf.R;
-      var r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
-      var r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
-      tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
-      r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
-      r2X = tX;
-      this.m_u.x = bB.m_sweep.c.x + r2X - bA.m_sweep.c.x - r1X;
-      this.m_u.y = bB.m_sweep.c.y + r2Y - bA.m_sweep.c.y - r1Y;
-      var length = Math.sqrt(this.m_u.x * this.m_u.x + this.m_u.y * this.m_u.y);
-      if (length > b2Settings.b2_linearSlop) {
-         this.m_u.Multiply(1.0 / length);
-      }
-      else {
-         this.m_u.SetZero();
-      }
-      var cr1u = (r1X * this.m_u.y - r1Y * this.m_u.x);
-      var cr2u = (r2X * this.m_u.y - r2Y * this.m_u.x);
-      var invMass = bA.m_invMass + bA.m_invI * cr1u * cr1u + bB.m_invMass + bB.m_invI * cr2u * cr2u;
-      this.m_mass = invMass != 0.0 ? 1.0 / invMass : 0.0;
-      if (this.m_frequencyHz > 0.0) {
-         var C = length - this.m_length;
-         var omega = 2.0 * Math.PI * this.m_frequencyHz;
-         var d = 2.0 * this.m_mass * this.m_dampingRatio * omega;
-         var k = this.m_mass * omega * omega;
-         this.m_gamma = step.dt * (d + step.dt * k);
-         this.m_gamma = this.m_gamma != 0.0 ? 1 / this.m_gamma : 0.0;
-         this.m_bias = C * step.dt * k * this.m_gamma;
-         this.m_mass = invMass + this.m_gamma;
-         this.m_mass = this.m_mass != 0.0 ? 1.0 / this.m_mass : 0.0;
-      }
-      if (step.warmStarting) {
-         this.m_impulse *= step.dtRatio;
-         var PX = this.m_impulse * this.m_u.x;
-         var PY = this.m_impulse * this.m_u.y;
-         bA.m_linearVelocity.x -= bA.m_invMass * PX;
-         bA.m_linearVelocity.y -= bA.m_invMass * PY;
-         bA.m_angularVelocity -= bA.m_invI * (r1X * PY - r1Y * PX);
-         bB.m_linearVelocity.x += bB.m_invMass * PX;
-         bB.m_linearVelocity.y += bB.m_invMass * PY;
-         bB.m_angularVelocity += bB.m_invI * (r2X * PY - r2Y * PX);
-      }
-      else {
-         this.m_impulse = 0.0;
-      }
-   }
-   b2DistanceJoint.prototype.SolveVelocityConstraints = function (step) {
-      var tMat;
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      tMat = bA.m_xf.R;
-      var r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
-      var r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
-      var tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
-      r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
-      r1X = tX;
-      tMat = bB.m_xf.R;
-      var r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
-      var r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
-      tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
-      r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
-      r2X = tX;
-      var v1X = bA.m_linearVelocity.x + ((-bA.m_angularVelocity * r1Y));
-      var v1Y = bA.m_linearVelocity.y + (bA.m_angularVelocity * r1X);
-      var v2X = bB.m_linearVelocity.x + ((-bB.m_angularVelocity * r2Y));
-      var v2Y = bB.m_linearVelocity.y + (bB.m_angularVelocity * r2X);
-      var Cdot = (this.m_u.x * (v2X - v1X) + this.m_u.y * (v2Y - v1Y));
-      var impulse = (-this.m_mass * (Cdot + this.m_bias + this.m_gamma * this.m_impulse));
-      this.m_impulse += impulse;
-      var PX = impulse * this.m_u.x;
-      var PY = impulse * this.m_u.y;
-      bA.m_linearVelocity.x -= bA.m_invMass * PX;
-      bA.m_linearVelocity.y -= bA.m_invMass * PY;
-      bA.m_angularVelocity -= bA.m_invI * (r1X * PY - r1Y * PX);
-      bB.m_linearVelocity.x += bB.m_invMass * PX;
-      bB.m_linearVelocity.y += bB.m_invMass * PY;
-      bB.m_angularVelocity += bB.m_invI * (r2X * PY - r2Y * PX);
-   }
-   b2DistanceJoint.prototype.SolvePositionConstraints = function (baumgarte) {
-      if (baumgarte === undefined) baumgarte = 0;
-      var tMat;
-      if (this.m_frequencyHz > 0.0) {
-         return true;
-      }
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      tMat = bA.m_xf.R;
-      var r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
-      var r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
-      var tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
-      r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
-      r1X = tX;
-      tMat = bB.m_xf.R;
-      var r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
-      var r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
-      tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
-      r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
-      r2X = tX;
-      var dX = bB.m_sweep.c.x + r2X - bA.m_sweep.c.x - r1X;
-      var dY = bB.m_sweep.c.y + r2Y - bA.m_sweep.c.y - r1Y;
-      var length = Math.sqrt(dX * dX + dY * dY);
-      dX /= length;
-      dY /= length;
-      var C = length - this.m_length;
-      C = b2Math.Clamp(C, (-b2Settings.b2_maxLinearCorrection), b2Settings.b2_maxLinearCorrection);
-      var impulse = (-this.m_mass * C);
-      this.m_u.Set(dX, dY);
-      var PX = impulse * this.m_u.x;
-      var PY = impulse * this.m_u.y;
-      bA.m_sweep.c.x -= bA.m_invMass * PX;
-      bA.m_sweep.c.y -= bA.m_invMass * PY;
-      bA.m_sweep.a -= bA.m_invI * (r1X * PY - r1Y * PX);
-      bB.m_sweep.c.x += bB.m_invMass * PX;
-      bB.m_sweep.c.y += bB.m_invMass * PY;
-      bB.m_sweep.a += bB.m_invI * (r2X * PY - r2Y * PX);
-      bA.SynchronizeTransform();
-      bB.SynchronizeTransform();
-      return b2Math.Abs(C) < b2Settings.b2_linearSlop;
-   }
-   Box2D.inherit(b2DistanceJointDef, Box2D.Dynamics.Joints.b2JointDef);
-   b2DistanceJointDef.prototype.__super = Box2D.Dynamics.Joints.b2JointDef.prototype;
-   b2DistanceJointDef.b2DistanceJointDef = function () {
-      Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this, arguments);
-      this.localAnchorA = new b2Vec2();
-      this.localAnchorB = new b2Vec2();
-   };
-   b2DistanceJointDef.prototype.b2DistanceJointDef = function () {
-      this.__super.b2JointDef.call(this);
-      this.type = b2Joint.e_distanceJoint;
-      this.length = 1.0;
-      this.frequencyHz = 0.0;
-      this.dampingRatio = 0.0;
-   }
-   b2DistanceJointDef.prototype.Initialize = function (bA, bB, anchorA, anchorB) {
-      this.bodyA = bA;
-      this.bodyB = bB;
-      this.localAnchorA.SetV(this.bodyA.GetLocalPoint(anchorA));
-      this.localAnchorB.SetV(this.bodyB.GetLocalPoint(anchorB));
-      var dX = anchorB.x - anchorA.x;
-      var dY = anchorB.y - anchorA.y;
-      this.length = Math.sqrt(dX * dX + dY * dY);
-      this.frequencyHz = 0.0;
-      this.dampingRatio = 0.0;
-   }
-   Box2D.inherit(b2FrictionJoint, Box2D.Dynamics.Joints.b2Joint);
-   b2FrictionJoint.prototype.__super = Box2D.Dynamics.Joints.b2Joint.prototype;
-   b2FrictionJoint.b2FrictionJoint = function () {
-      Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this, arguments);
-      this.m_localAnchorA = new b2Vec2();
-      this.m_localAnchorB = new b2Vec2();
-      this.m_linearMass = new b2Mat22();
-      this.m_linearImpulse = new b2Vec2();
-   };
-   b2FrictionJoint.prototype.GetAnchorA = function () {
-      return this.m_bodyA.GetWorldPoint(this.m_localAnchorA);
-   }
-   b2FrictionJoint.prototype.GetAnchorB = function () {
-      return this.m_bodyB.GetWorldPoint(this.m_localAnchorB);
-   }
-   b2FrictionJoint.prototype.GetReactionForce = function (inv_dt) {
-      if (inv_dt === undefined) inv_dt = 0;
-      return new b2Vec2(inv_dt * this.m_linearImpulse.x, inv_dt * this.m_linearImpulse.y);
-   }
-   b2FrictionJoint.prototype.GetReactionTorque = function (inv_dt) {
-      if (inv_dt === undefined) inv_dt = 0;
-      return inv_dt * this.m_angularImpulse;
-   }
-   b2FrictionJoint.prototype.SetMaxForce = function (force) {
-      if (force === undefined) force = 0;
-      this.m_maxForce = force;
-   }
-   b2FrictionJoint.prototype.GetMaxForce = function () {
-      return this.m_maxForce;
-   }
-   b2FrictionJoint.prototype.SetMaxTorque = function (torque) {
-      if (torque === undefined) torque = 0;
-      this.m_maxTorque = torque;
-   }
-   b2FrictionJoint.prototype.GetMaxTorque = function () {
-      return this.m_maxTorque;
-   }
-   b2FrictionJoint.prototype.b2FrictionJoint = function (def) {
-      this.__super.b2Joint.call(this, def);
-      this.m_localAnchorA.SetV(def.localAnchorA);
-      this.m_localAnchorB.SetV(def.localAnchorB);
-      this.m_linearMass.SetZero();
-      this.m_angularMass = 0.0;
-      this.m_linearImpulse.SetZero();
-      this.m_angularImpulse = 0.0;
-      this.m_maxForce = def.maxForce;
-      this.m_maxTorque = def.maxTorque;
-   }
-   b2FrictionJoint.prototype.InitVelocityConstraints = function (step) {
-      var tMat;
-      var tX = 0;
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      tMat = bA.m_xf.R;
-      var rAX = this.m_localAnchorA.x - bA.m_sweep.localCenter.x;
-      var rAY = this.m_localAnchorA.y - bA.m_sweep.localCenter.y;
-      tX = (tMat.col1.x * rAX + tMat.col2.x * rAY);
-      rAY = (tMat.col1.y * rAX + tMat.col2.y * rAY);
-      rAX = tX;
-      tMat = bB.m_xf.R;
-      var rBX = this.m_localAnchorB.x - bB.m_sweep.localCenter.x;
-      var rBY = this.m_localAnchorB.y - bB.m_sweep.localCenter.y;
-      tX = (tMat.col1.x * rBX + tMat.col2.x * rBY);
-      rBY = (tMat.col1.y * rBX + tMat.col2.y * rBY);
-      rBX = tX;
-      var mA = bA.m_invMass;
-      var mB = bB.m_invMass;
-      var iA = bA.m_invI;
-      var iB = bB.m_invI;
-      var K = new b2Mat22();
-      K.col1.x = mA + mB;
-      K.col2.x = 0.0;
-      K.col1.y = 0.0;
-      K.col2.y = mA + mB;
-      K.col1.x += iA * rAY * rAY;
-      K.col2.x += (-iA * rAX * rAY);
-      K.col1.y += (-iA * rAX * rAY);
-      K.col2.y += iA * rAX * rAX;
-      K.col1.x += iB * rBY * rBY;
-      K.col2.x += (-iB * rBX * rBY);
-      K.col1.y += (-iB * rBX * rBY);
-      K.col2.y += iB * rBX * rBX;
-      K.GetInverse(this.m_linearMass);
-      this.m_angularMass = iA + iB;
-      if (this.m_angularMass > 0.0) {
-         this.m_angularMass = 1.0 / this.m_angularMass;
-      }
-      if (step.warmStarting) {
-         this.m_linearImpulse.x *= step.dtRatio;
-         this.m_linearImpulse.y *= step.dtRatio;
-         this.m_angularImpulse *= step.dtRatio;
-         var P = this.m_linearImpulse;
-         bA.m_linearVelocity.x -= mA * P.x;
-         bA.m_linearVelocity.y -= mA * P.y;
-         bA.m_angularVelocity -= iA * (rAX * P.y - rAY * P.x + this.m_angularImpulse);
-         bB.m_linearVelocity.x += mB * P.x;
-         bB.m_linearVelocity.y += mB * P.y;
-         bB.m_angularVelocity += iB * (rBX * P.y - rBY * P.x + this.m_angularImpulse);
-      }
-      else {
-         this.m_linearImpulse.SetZero();
-         this.m_angularImpulse = 0.0;
-      }
-   }
-   b2FrictionJoint.prototype.SolveVelocityConstraints = function (step) {
-      var tMat;
-      var tX = 0;
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      var vA = bA.m_linearVelocity;
-      var wA = bA.m_angularVelocity;
-      var vB = bB.m_linearVelocity;
-      var wB = bB.m_angularVelocity;
-      var mA = bA.m_invMass;
-      var mB = bB.m_invMass;
-      var iA = bA.m_invI;
-      var iB = bB.m_invI;
-      tMat = bA.m_xf.R;
-      var rAX = this.m_localAnchorA.x - bA.m_sweep.localCenter.x;
-      var rAY = this.m_localAnchorA.y - bA.m_sweep.localCenter.y;
-      tX = (tMat.col1.x * rAX + tMat.col2.x * rAY);
-      rAY = (tMat.col1.y * rAX + tMat.col2.y * rAY);
-      rAX = tX;
-      tMat = bB.m_xf.R;
-      var rBX = this.m_localAnchorB.x - bB.m_sweep.localCenter.x;
-      var rBY = this.m_localAnchorB.y - bB.m_sweep.localCenter.y;
-      tX = (tMat.col1.x * rBX + tMat.col2.x * rBY);
-      rBY = (tMat.col1.y * rBX + tMat.col2.y * rBY);
-      rBX = tX;
-      var maxImpulse = 0; {
-         var Cdot = wB - wA;
-         var impulse = (-this.m_angularMass * Cdot);
-         var oldImpulse = this.m_angularImpulse;
-         maxImpulse = step.dt * this.m_maxTorque;
-         this.m_angularImpulse = b2Math.Clamp(this.m_angularImpulse + impulse, (-maxImpulse), maxImpulse);
-         impulse = this.m_angularImpulse - oldImpulse;
-         wA -= iA * impulse;
-         wB += iB * impulse;
-      } {
-         var CdotX = vB.x - wB * rBY - vA.x + wA * rAY;
-         var CdotY = vB.y + wB * rBX - vA.y - wA * rAX;
-         var impulseV = b2Math.MulMV(this.m_linearMass, new b2Vec2((-CdotX), (-CdotY)));
-         var oldImpulseV = this.m_linearImpulse.Copy();
-         this.m_linearImpulse.Add(impulseV);
-         maxImpulse = step.dt * this.m_maxForce;
-         if (this.m_linearImpulse.LengthSquared() > maxImpulse * maxImpulse) {
-            this.m_linearImpulse.Normalize();
-            this.m_linearImpulse.Multiply(maxImpulse);
-         }
-         impulseV = b2Math.SubtractVV(this.m_linearImpulse, oldImpulseV);
-         vA.x -= mA * impulseV.x;
-         vA.y -= mA * impulseV.y;
-         wA -= iA * (rAX * impulseV.y - rAY * impulseV.x);
-         vB.x += mB * impulseV.x;
-         vB.y += mB * impulseV.y;
-         wB += iB * (rBX * impulseV.y - rBY * impulseV.x);
-      }
-      bA.m_angularVelocity = wA;
-      bB.m_angularVelocity = wB;
-   }
-   b2FrictionJoint.prototype.SolvePositionConstraints = function (baumgarte) {
-      if (baumgarte === undefined) baumgarte = 0;
-      return true;
-   }
-   Box2D.inherit(b2FrictionJointDef, Box2D.Dynamics.Joints.b2JointDef);
-   b2FrictionJointDef.prototype.__super = Box2D.Dynamics.Joints.b2JointDef.prototype;
-   b2FrictionJointDef.b2FrictionJointDef = function () {
-      Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this, arguments);
-      this.localAnchorA = new b2Vec2();
-      this.localAnchorB = new b2Vec2();
-   };
-   b2FrictionJointDef.prototype.b2FrictionJointDef = function () {
-      this.__super.b2JointDef.call(this);
-      this.type = b2Joint.e_frictionJoint;
-      this.maxForce = 0.0;
-      this.maxTorque = 0.0;
-   }
-   b2FrictionJointDef.prototype.Initialize = function (bA, bB, anchor) {
-      this.bodyA = bA;
-      this.bodyB = bB;
-      this.localAnchorA.SetV(this.bodyA.GetLocalPoint(anchor));
-      this.localAnchorB.SetV(this.bodyB.GetLocalPoint(anchor));
-   }
-   Box2D.inherit(b2GearJoint, Box2D.Dynamics.Joints.b2Joint);
-   b2GearJoint.prototype.__super = Box2D.Dynamics.Joints.b2Joint.prototype;
-   b2GearJoint.b2GearJoint = function () {
-      Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this, arguments);
-      this.m_groundAnchor1 = new b2Vec2();
-      this.m_groundAnchor2 = new b2Vec2();
-      this.m_localAnchor1 = new b2Vec2();
-      this.m_localAnchor2 = new b2Vec2();
-      this.m_J = new b2Jacobian();
-   };
-   b2GearJoint.prototype.GetAnchorA = function () {
-      return this.m_bodyA.GetWorldPoint(this.m_localAnchor1);
-   }
-   b2GearJoint.prototype.GetAnchorB = function () {
-      return this.m_bodyB.GetWorldPoint(this.m_localAnchor2);
-   }
-   b2GearJoint.prototype.GetReactionForce = function (inv_dt) {
-      if (inv_dt === undefined) inv_dt = 0;
-      return new b2Vec2(inv_dt * this.m_impulse * this.m_J.linearB.x, inv_dt * this.m_impulse * this.m_J.linearB.y);
-   }
-   b2GearJoint.prototype.GetReactionTorque = function (inv_dt) {
-      if (inv_dt === undefined) inv_dt = 0;
-      var tMat = this.m_bodyB.m_xf.R;
-      var rX = this.m_localAnchor1.x - this.m_bodyB.m_sweep.localCenter.x;
-      var rY = this.m_localAnchor1.y - this.m_bodyB.m_sweep.localCenter.y;
-      var tX = tMat.col1.x * rX + tMat.col2.x * rY;
-      rY = tMat.col1.y * rX + tMat.col2.y * rY;
-      rX = tX;
-      var PX = this.m_impulse * this.m_J.linearB.x;
-      var PY = this.m_impulse * this.m_J.linearB.y;
-      return inv_dt * (this.m_impulse * this.m_J.angularB - rX * PY + rY * PX);
-   }
-   b2GearJoint.prototype.GetRatio = function () {
-      return this.m_ratio;
-   }
-   b2GearJoint.prototype.SetRatio = function (ratio) {
-      if (ratio === undefined) ratio = 0;
-      this.m_ratio = ratio;
-   }
-   b2GearJoint.prototype.b2GearJoint = function (def) {
-      this.__super.b2Joint.call(this, def);
-      var type1 = parseInt(def.joint1.m_type);
-      var type2 = parseInt(def.joint2.m_type);
-      this.m_revolute1 = null;
-      this.m_prismatic1 = null;
-      this.m_revolute2 = null;
-      this.m_prismatic2 = null;
-      var coordinate1 = 0;
-      var coordinate2 = 0;
-      this.m_ground1 = def.joint1.GetBodyA();
-      this.m_bodyA = def.joint1.GetBodyB();
-      if (type1 == b2Joint.e_revoluteJoint) {
-         this.m_revolute1 = (def.joint1 instanceof b2RevoluteJoint ? def.joint1 : null);
-         this.m_groundAnchor1.SetV(this.m_revolute1.m_localAnchor1);
-         this.m_localAnchor1.SetV(this.m_revolute1.m_localAnchor2);
-         coordinate1 = this.m_revolute1.GetJointAngle();
-      }
-      else {
-         this.m_prismatic1 = (def.joint1 instanceof b2PrismaticJoint ? def.joint1 : null);
-         this.m_groundAnchor1.SetV(this.m_prismatic1.m_localAnchor1);
-         this.m_localAnchor1.SetV(this.m_prismatic1.m_localAnchor2);
-         coordinate1 = this.m_prismatic1.GetJointTranslation();
-      }
-      this.m_ground2 = def.joint2.GetBodyA();
-      this.m_bodyB = def.joint2.GetBodyB();
-      if (type2 == b2Joint.e_revoluteJoint) {
-         this.m_revolute2 = (def.joint2 instanceof b2RevoluteJoint ? def.joint2 : null);
-         this.m_groundAnchor2.SetV(this.m_revolute2.m_localAnchor1);
-         this.m_localAnchor2.SetV(this.m_revolute2.m_localAnchor2);
-         coordinate2 = this.m_revolute2.GetJointAngle();
-      }
-      else {
-         this.m_prismatic2 = (def.joint2 instanceof b2PrismaticJoint ? def.joint2 : null);
-         this.m_groundAnchor2.SetV(this.m_prismatic2.m_localAnchor1);
-         this.m_localAnchor2.SetV(this.m_prismatic2.m_localAnchor2);
-         coordinate2 = this.m_prismatic2.GetJointTranslation();
-      }
-      this.m_ratio = def.ratio;
-      this.m_constant = coordinate1 + this.m_ratio * coordinate2;
-      this.m_impulse = 0.0;
-   }
-   b2GearJoint.prototype.InitVelocityConstraints = function (step) {
-      var g1 = this.m_ground1;
-      var g2 = this.m_ground2;
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      var ugX = 0;
-      var ugY = 0;
-      var rX = 0;
-      var rY = 0;
-      var tMat;
-      var tVec;
-      var crug = 0;
-      var tX = 0;
-      var K = 0.0;
-      this.m_J.SetZero();
-      if (this.m_revolute1) {
-         this.m_J.angularA = (-1.0);
-         K += bA.m_invI;
-      }
-      else {
-         tMat = g1.m_xf.R;
-         tVec = this.m_prismatic1.m_localXAxis1;
-         ugX = tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
-         ugY = tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
-         tMat = bA.m_xf.R;
-         rX = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
-         rY = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
-         tX = tMat.col1.x * rX + tMat.col2.x * rY;
-         rY = tMat.col1.y * rX + tMat.col2.y * rY;
-         rX = tX;
-         crug = rX * ugY - rY * ugX;
-         this.m_J.linearA.Set((-ugX), (-ugY));
-         this.m_J.angularA = (-crug);
-         K += bA.m_invMass + bA.m_invI * crug * crug;
-      }
-      if (this.m_revolute2) {
-         this.m_J.angularB = (-this.m_ratio);
-         K += this.m_ratio * this.m_ratio * bB.m_invI;
-      }
-      else {
-         tMat = g2.m_xf.R;
-         tVec = this.m_prismatic2.m_localXAxis1;
-         ugX = tMat.col1.x * tVec.x + tMat.col2.x * tVec.y;
-         ugY = tMat.col1.y * tVec.x + tMat.col2.y * tVec.y;
-         tMat = bB.m_xf.R;
-         rX = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
-         rY = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
-         tX = tMat.col1.x * rX + tMat.col2.x * rY;
-         rY = tMat.col1.y * rX + tMat.col2.y * rY;
-         rX = tX;
-         crug = rX * ugY - rY * ugX;
-         this.m_J.linearB.Set((-this.m_ratio * ugX), (-this.m_ratio * ugY));
-         this.m_J.angularB = (-this.m_ratio * crug);
-         K += this.m_ratio * this.m_ratio * (bB.m_invMass + bB.m_invI * crug * crug);
-      }
-      this.m_mass = K > 0.0 ? 1.0 / K : 0.0;
-      if (step.warmStarting) {
-         bA.m_linearVelocity.x += bA.m_invMass * this.m_impulse * this.m_J.linearA.x;
-         bA.m_linearVelocity.y += bA.m_invMass * this.m_impulse * this.m_J.linearA.y;
-         bA.m_angularVelocity += bA.m_invI * this.m_impulse * this.m_J.angularA;
-         bB.m_linearVelocity.x += bB.m_invMass * this.m_impulse * this.m_J.linearB.x;
-         bB.m_linearVelocity.y += bB.m_invMass * this.m_impulse * this.m_J.linearB.y;
-         bB.m_angularVelocity += bB.m_invI * this.m_impulse * this.m_J.angularB;
-      }
-      else {
-         this.m_impulse = 0.0;
-      }
-   }
-   b2GearJoint.prototype.SolveVelocityConstraints = function (step) {
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      var Cdot = this.m_J.Compute(bA.m_linearVelocity, bA.m_angularVelocity, bB.m_linearVelocity, bB.m_angularVelocity);
-      var impulse = (-this.m_mass * Cdot);
-      this.m_impulse += impulse;
-      bA.m_linearVelocity.x += bA.m_invMass * impulse * this.m_J.linearA.x;
-      bA.m_linearVelocity.y += bA.m_invMass * impulse * this.m_J.linearA.y;
-      bA.m_angularVelocity += bA.m_invI * impulse * this.m_J.angularA;
-      bB.m_linearVelocity.x += bB.m_invMass * impulse * this.m_J.linearB.x;
-      bB.m_linearVelocity.y += bB.m_invMass * impulse * this.m_J.linearB.y;
-      bB.m_angularVelocity += bB.m_invI * impulse * this.m_J.angularB;
-   }
-   b2GearJoint.prototype.SolvePositionConstraints = function (baumgarte) {
-      if (baumgarte === undefined) baumgarte = 0;
-      var linearError = 0.0;
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      var coordinate1 = 0;
-      var coordinate2 = 0;
-      if (this.m_revolute1) {
-         coordinate1 = this.m_revolute1.GetJointAngle();
-      }
-      else {
-         coordinate1 = this.m_prismatic1.GetJointTranslation();
-      }
-      if (this.m_revolute2) {
-         coordinate2 = this.m_revolute2.GetJointAngle();
-      }
-      else {
-         coordinate2 = this.m_prismatic2.GetJointTranslation();
-      }
-      var C = this.m_constant - (coordinate1 + this.m_ratio * coordinate2);
-      var impulse = (-this.m_mass * C);
-      bA.m_sweep.c.x += bA.m_invMass * impulse * this.m_J.linearA.x;
-      bA.m_sweep.c.y += bA.m_invMass * impulse * this.m_J.linearA.y;
-      bA.m_sweep.a += bA.m_invI * impulse * this.m_J.angularA;
-      bB.m_sweep.c.x += bB.m_invMass * impulse * this.m_J.linearB.x;
-      bB.m_sweep.c.y += bB.m_invMass * impulse * this.m_J.linearB.y;
-      bB.m_sweep.a += bB.m_invI * impulse * this.m_J.angularB;
-      bA.SynchronizeTransform();
-      bB.SynchronizeTransform();
-      return linearError < b2Settings.b2_linearSlop;
-   }
-   Box2D.inherit(b2GearJointDef, Box2D.Dynamics.Joints.b2JointDef);
-   b2GearJointDef.prototype.__super = Box2D.Dynamics.Joints.b2JointDef.prototype;
-   b2GearJointDef.b2GearJointDef = function () {
-      Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this, arguments);
-   };
-   b2GearJointDef.prototype.b2GearJointDef = function () {
-      this.__super.b2JointDef.call(this);
-      this.type = b2Joint.e_gearJoint;
-      this.joint1 = null;
-      this.joint2 = null;
-      this.ratio = 1.0;
-   }
-   b2Jacobian.b2Jacobian = function () {
-      this.linearA = new b2Vec2();
-      this.linearB = new b2Vec2();
-   };
-   b2Jacobian.prototype.SetZero = function () {
-      this.linearA.SetZero();
-      this.angularA = 0.0;
-      this.linearB.SetZero();
-      this.angularB = 0.0;
-   }
-   b2Jacobian.prototype.Set = function (x1, a1, x2, a2) {
-      if (a1 === undefined) a1 = 0;
-      if (a2 === undefined) a2 = 0;
-      this.linearA.SetV(x1);
-      this.angularA = a1;
-      this.linearB.SetV(x2);
-      this.angularB = a2;
-   }
-   b2Jacobian.prototype.Compute = function (x1, a1, x2, a2) {
-      if (a1 === undefined) a1 = 0;
-      if (a2 === undefined) a2 = 0;
-      return (this.linearA.x * x1.x + this.linearA.y * x1.y) + this.angularA * a1 + (this.linearB.x * x2.x + this.linearB.y * x2.y) + this.angularB * a2;
-   }
-   b2Joint.b2Joint = function () {
-      this.m_edgeA = new b2JointEdge();
-      this.m_edgeB = new b2JointEdge();
-      this.m_localCenterA = new b2Vec2();
-      this.m_localCenterB = new b2Vec2();
-   };
-   b2Joint.prototype.GetType = function () {
-      return this.m_type;
-   }
-   b2Joint.prototype.GetAnchorA = function () {
-      return null;
-   }
-   b2Joint.prototype.GetAnchorB = function () {
-      return null;
-   }
-   b2Joint.prototype.GetReactionForce = function (inv_dt) {
-      if (inv_dt === undefined) inv_dt = 0;
-      return null;
-   }
-   b2Joint.prototype.GetReactionTorque = function (inv_dt) {
-      if (inv_dt === undefined) inv_dt = 0;
-      return 0.0;
-   }
-   b2Joint.prototype.GetBodyA = function () {
-      return this.m_bodyA;
-   }
-   b2Joint.prototype.GetBodyB = function () {
-      return this.m_bodyB;
-   }
-   b2Joint.prototype.GetNext = function () {
-      return this.m_next;
-   }
-   b2Joint.prototype.GetUserData = function () {
-      return this.m_userData;
-   }
-   b2Joint.prototype.SetUserData = function (data) {
-      this.m_userData = data;
-   }
-   b2Joint.prototype.IsActive = function () {
-      return this.m_bodyA.IsActive() && this.m_bodyB.IsActive();
-   }
-   b2Joint.Create = function (def, allocator) {
-      var joint = null;
-      switch (def.type) {
-      case b2Joint.e_distanceJoint:
-         {
-            joint = new b2DistanceJoint((def instanceof b2DistanceJointDef ? def : null));
-         }
-         break;
-      case b2Joint.e_mouseJoint:
-         {
-            joint = new b2MouseJoint((def instanceof b2MouseJointDef ? def : null));
-         }
-         break;
-      case b2Joint.e_prismaticJoint:
-         {
-            joint = new b2PrismaticJoint((def instanceof b2PrismaticJointDef ? def : null));
-         }
-         break;
-      case b2Joint.e_revoluteJoint:
-         {
-            joint = new b2RevoluteJoint((def instanceof b2RevoluteJointDef ? def : null));
-         }
-         break;
-      case b2Joint.e_pulleyJoint:
-         {
-            joint = new b2PulleyJoint((def instanceof b2PulleyJointDef ? def : null));
-         }
-         break;
-      case b2Joint.e_gearJoint:
-         {
-            joint = new b2GearJoint((def instanceof b2GearJointDef ? def : null));
-         }
-         break;
-      case b2Joint.e_lineJoint:
-         {
-            joint = new b2LineJoint((def instanceof b2LineJointDef ? def : null));
-         }
-         break;
-      case b2Joint.e_weldJoint:
-         {
-            joint = new b2WeldJoint((def instanceof b2WeldJointDef ? def : null));
-         }
-         break;
-      case b2Joint.e_frictionJoint:
-         {
-            joint = new b2FrictionJoint((def instanceof b2FrictionJointDef ? def : null));
-         }
-         break;
-      default:
-         break;
-      }
-      return joint;
-   }
-   b2Joint.Destroy = function (joint, allocator) {}
-   b2Joint.prototype.b2Joint = function (def) {
-      b2Settings.b2Assert(def.bodyA != def.bodyB);
-      this.m_type = def.type;
-      this.m_prev = null;
-      this.m_next = null;
-      this.m_bodyA = def.bodyA;
-      this.m_bodyB = def.bodyB;
-      this.m_collideConnected = def.collideConnected;
-      this.m_islandFlag = false;
-      this.m_userData = def.userData;
-   }
-   b2Joint.prototype.InitVelocityConstraints = function (step) {}
-   b2Joint.prototype.SolveVelocityConstraints = function (step) {}
-   b2Joint.prototype.FinalizeVelocityConstraints = function () {}
-   b2Joint.prototype.SolvePositionConstraints = function (baumgarte) {
-      if (baumgarte === undefined) baumgarte = 0;
-      return false;
-   }
-   Box2D.postDefs.push(function () {
-      Box2D.Dynamics.Joints.b2Joint.e_unknownJoint = 0;
-      Box2D.Dynamics.Joints.b2Joint.e_revoluteJoint = 1;
-      Box2D.Dynamics.Joints.b2Joint.e_prismaticJoint = 2;
-      Box2D.Dynamics.Joints.b2Joint.e_distanceJoint = 3;
-      Box2D.Dynamics.Joints.b2Joint.e_pulleyJoint = 4;
-      Box2D.Dynamics.Joints.b2Joint.e_mouseJoint = 5;
-      Box2D.Dynamics.Joints.b2Joint.e_gearJoint = 6;
-      Box2D.Dynamics.Joints.b2Joint.e_lineJoint = 7;
-      Box2D.Dynamics.Joints.b2Joint.e_weldJoint = 8;
-      Box2D.Dynamics.Joints.b2Joint.e_frictionJoint = 9;
-      Box2D.Dynamics.Joints.b2Joint.e_inactiveLimit = 0;
-      Box2D.Dynamics.Joints.b2Joint.e_atLowerLimit = 1;
-      Box2D.Dynamics.Joints.b2Joint.e_atUpperLimit = 2;
-      Box2D.Dynamics.Joints.b2Joint.e_equalLimits = 3;
-   });
-   b2JointDef.b2JointDef = function () {};
-   b2JointDef.prototype.b2JointDef = function () {
-      this.type = b2Joint.e_unknownJoint;
-      this.userData = null;
-      this.bodyA = null;
-      this.bodyB = null;
-      this.collideConnected = false;
-   }
-   b2JointEdge.b2JointEdge = function () {};
-   Box2D.inherit(b2LineJoint, Box2D.Dynamics.Joints.b2Joint);
-   b2LineJoint.prototype.__super = Box2D.Dynamics.Joints.b2Joint.prototype;
-   b2LineJoint.b2LineJoint = function () {
-      Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this, arguments);
-      this.m_localAnchor1 = new b2Vec2();
-      this.m_localAnchor2 = new b2Vec2();
-      this.m_localXAxis1 = new b2Vec2();
-      this.m_localYAxis1 = new b2Vec2();
-      this.m_axis = new b2Vec2();
-      this.m_perp = new b2Vec2();
-      this.m_K = new b2Mat22();
-      this.m_impulse = new b2Vec2();
-   };
-   b2LineJoint.prototype.GetAnchorA = function () {
-      return this.m_bodyA.GetWorldPoint(this.m_localAnchor1);
-   }
-   b2LineJoint.prototype.GetAnchorB = function () {
-      return this.m_bodyB.GetWorldPoint(this.m_localAnchor2);
-   }
-   b2LineJoint.prototype.GetReactionForce = function (inv_dt) {
-      if (inv_dt === undefined) inv_dt = 0;
-      return new b2Vec2(inv_dt * (this.m_impulse.x * this.m_perp.x + (this.m_motorImpulse + this.m_impulse.y) * this.m_axis.x), inv_dt * (this.m_impulse.x * this.m_perp.y + (this.m_motorImpulse + this.m_impulse.y) * this.m_axis.y));
-   }
-   b2LineJoint.prototype.GetReactionTorque = function (inv_dt) {
-      if (inv_dt === undefined) inv_dt = 0;
-      return inv_dt * this.m_impulse.y;
-   }
-   b2LineJoint.prototype.GetJointTranslation = function () {
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      var tMat;
-      var p1 = bA.GetWorldPoint(this.m_localAnchor1);
-      var p2 = bB.GetWorldPoint(this.m_localAnchor2);
-      var dX = p2.x - p1.x;
-      var dY = p2.y - p1.y;
-      var axis = bA.GetWorldVector(this.m_localXAxis1);
-      var translation = axis.x * dX + axis.y * dY;
-      return translation;
-   }
-   b2LineJoint.prototype.GetJointSpeed = function () {
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      var tMat;
-      tMat = bA.m_xf.R;
-      var r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
-      var r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
-      var tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
-      r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
-      r1X = tX;
-      tMat = bB.m_xf.R;
-      var r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
-      var r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
-      tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
-      r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
-      r2X = tX;
-      var p1X = bA.m_sweep.c.x + r1X;
-      var p1Y = bA.m_sweep.c.y + r1Y;
-      var p2X = bB.m_sweep.c.x + r2X;
-      var p2Y = bB.m_sweep.c.y + r2Y;
-      var dX = p2X - p1X;
-      var dY = p2Y - p1Y;
-      var axis = bA.GetWorldVector(this.m_localXAxis1);
-      var v1 = bA.m_linearVelocity;
-      var v2 = bB.m_linearVelocity;
-      var w1 = bA.m_angularVelocity;
-      var w2 = bB.m_angularVelocity;
-      var speed = (dX * ((-w1 * axis.y)) + dY * (w1 * axis.x)) + (axis.x * (((v2.x + ((-w2 * r2Y))) - v1.x) - ((-w1 * r1Y))) + axis.y * (((v2.y + (w2 * r2X)) - v1.y) - (w1 * r1X)));
-      return speed;
-   }
-   b2LineJoint.prototype.IsLimitEnabled = function () {
-      return this.m_enableLimit;
-   }
-   b2LineJoint.prototype.EnableLimit = function (flag) {
-      this.m_bodyA.SetAwake(true);
-      this.m_bodyB.SetAwake(true);
-      this.m_enableLimit = flag;
-   }
-   b2LineJoint.prototype.GetLowerLimit = function () {
-      return this.m_lowerTranslation;
-   }
-   b2LineJoint.prototype.GetUpperLimit = function () {
-      return this.m_upperTranslation;
-   }
-   b2LineJoint.prototype.SetLimits = function (lower, upper) {
-      if (lower === undefined) lower = 0;
-      if (upper === undefined) upper = 0;
-      this.m_bodyA.SetAwake(true);
-      this.m_bodyB.SetAwake(true);
-      this.m_lowerTranslation = lower;
-      this.m_upperTranslation = upper;
-   }
-   b2LineJoint.prototype.IsMotorEnabled = function () {
-      return this.m_enableMotor;
-   }
-   b2LineJoint.prototype.EnableMotor = function (flag) {
-      this.m_bodyA.SetAwake(true);
-      this.m_bodyB.SetAwake(true);
-      this.m_enableMotor = flag;
-   }
-   b2LineJoint.prototype.SetMotorSpeed = function (speed) {
-      if (speed === undefined) speed = 0;
-      this.m_bodyA.SetAwake(true);
-      this.m_bodyB.SetAwake(true);
-      this.m_motorSpeed = speed;
-   }
-   b2LineJoint.prototype.GetMotorSpeed = function () {
-      return this.m_motorSpeed;
-   }
-   b2LineJoint.prototype.SetMaxMotorForce = function (force) {
-      if (force === undefined) force = 0;
-      this.m_bodyA.SetAwake(true);
-      this.m_bodyB.SetAwake(true);
-      this.m_maxMotorForce = force;
-   }
-   b2LineJoint.prototype.GetMaxMotorForce = function () {
-      return this.m_maxMotorForce;
-   }
-   b2LineJoint.prototype.GetMotorForce = function () {
-      return this.m_motorImpulse;
-   }
-   b2LineJoint.prototype.b2LineJoint = function (def) {
-      this.__super.b2Joint.call(this, def);
-      var tMat;
-      var tX = 0;
-      var tY = 0;
-      this.m_localAnchor1.SetV(def.localAnchorA);
-      this.m_localAnchor2.SetV(def.localAnchorB);
-      this.m_localXAxis1.SetV(def.localAxisA);
-      this.m_localYAxis1.x = (-this.m_localXAxis1.y);
-      this.m_localYAxis1.y = this.m_localXAxis1.x;
-      this.m_impulse.SetZero();
-      this.m_motorMass = 0.0;
-      this.m_motorImpulse = 0.0;
-      this.m_lowerTranslation = def.lowerTranslation;
-      this.m_upperTranslation = def.upperTranslation;
-      this.m_maxMotorForce = def.maxMotorForce;
-      this.m_motorSpeed = def.motorSpeed;
-      this.m_enableLimit = def.enableLimit;
-      this.m_enableMotor = def.enableMotor;
-      this.m_limitState = b2Joint.e_inactiveLimit;
-      this.m_axis.SetZero();
-      this.m_perp.SetZero();
-   }
-   b2LineJoint.prototype.InitVelocityConstraints = function (step) {
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      var tMat;
-      var tX = 0;
-      this.m_localCenterA.SetV(bA.GetLocalCenter());
-      this.m_localCenterB.SetV(bB.GetLocalCenter());
-      var xf1 = bA.GetTransform();
-      var xf2 = bB.GetTransform();
-      tMat = bA.m_xf.R;
-      var r1X = this.m_localAnchor1.x - this.m_localCenterA.x;
-      var r1Y = this.m_localAnchor1.y - this.m_localCenterA.y;
-      tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
-      r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
-      r1X = tX;
-      tMat = bB.m_xf.R;
-      var r2X = this.m_localAnchor2.x - this.m_localCenterB.x;
-      var r2Y = this.m_localAnchor2.y - this.m_localCenterB.y;
-      tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
-      r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
-      r2X = tX;
-      var dX = bB.m_sweep.c.x + r2X - bA.m_sweep.c.x - r1X;
-      var dY = bB.m_sweep.c.y + r2Y - bA.m_sweep.c.y - r1Y;
-      this.m_invMassA = bA.m_invMass;
-      this.m_invMassB = bB.m_invMass;
-      this.m_invIA = bA.m_invI;
-      this.m_invIB = bB.m_invI; {
-         this.m_axis.SetV(b2Math.MulMV(xf1.R, this.m_localXAxis1));
-         this.m_a1 = (dX + r1X) * this.m_axis.y - (dY + r1Y) * this.m_axis.x;
-         this.m_a2 = r2X * this.m_axis.y - r2Y * this.m_axis.x;
-         this.m_motorMass = this.m_invMassA + this.m_invMassB + this.m_invIA * this.m_a1 * this.m_a1 + this.m_invIB * this.m_a2 * this.m_a2;
-         this.m_motorMass = this.m_motorMass > Number.MIN_VALUE ? 1.0 / this.m_motorMass : 0.0;
-      } {
-         this.m_perp.SetV(b2Math.MulMV(xf1.R, this.m_localYAxis1));
-         this.m_s1 = (dX + r1X) * this.m_perp.y - (dY + r1Y) * this.m_perp.x;
-         this.m_s2 = r2X * this.m_perp.y - r2Y * this.m_perp.x;
-         var m1 = this.m_invMassA;
-         var m2 = this.m_invMassB;
-         var i1 = this.m_invIA;
-         var i2 = this.m_invIB;
-         this.m_K.col1.x = m1 + m2 + i1 * this.m_s1 * this.m_s1 + i2 * this.m_s2 * this.m_s2;
-         this.m_K.col1.y = i1 * this.m_s1 * this.m_a1 + i2 * this.m_s2 * this.m_a2;
-         this.m_K.col2.x = this.m_K.col1.y;
-         this.m_K.col2.y = m1 + m2 + i1 * this.m_a1 * this.m_a1 + i2 * this.m_a2 * this.m_a2;
-      }
-      if (this.m_enableLimit) {
-         var jointTransition = this.m_axis.x * dX + this.m_axis.y * dY;
-         if (b2Math.Abs(this.m_upperTranslation - this.m_lowerTranslation) < 2.0 * b2Settings.b2_linearSlop) {
-            this.m_limitState = b2Joint.e_equalLimits;
-         }
-         else if (jointTransition <= this.m_lowerTranslation) {
-            if (this.m_limitState != b2Joint.e_atLowerLimit) {
-               this.m_limitState = b2Joint.e_atLowerLimit;
-               this.m_impulse.y = 0.0;
-            }
-         }
-         else if (jointTransition >= this.m_upperTranslation) {
-            if (this.m_limitState != b2Joint.e_atUpperLimit) {
-               this.m_limitState = b2Joint.e_atUpperLimit;
-               this.m_impulse.y = 0.0;
-            }
-         }
-         else {
-            this.m_limitState = b2Joint.e_inactiveLimit;
-            this.m_impulse.y = 0.0;
-         }
-      }
-      else {
-         this.m_limitState = b2Joint.e_inactiveLimit;
-      }
-      if (this.m_enableMotor == false) {
-         this.m_motorImpulse = 0.0;
-      }
-      if (step.warmStarting) {
-         this.m_impulse.x *= step.dtRatio;
-         this.m_impulse.y *= step.dtRatio;
-         this.m_motorImpulse *= step.dtRatio;
-         var PX = this.m_impulse.x * this.m_perp.x + (this.m_motorImpulse + this.m_impulse.y) * this.m_axis.x;
-         var PY = this.m_impulse.x * this.m_perp.y + (this.m_motorImpulse + this.m_impulse.y) * this.m_axis.y;
-         var L1 = this.m_impulse.x * this.m_s1 + (this.m_motorImpulse + this.m_impulse.y) * this.m_a1;
-         var L2 = this.m_impulse.x * this.m_s2 + (this.m_motorImpulse + this.m_impulse.y) * this.m_a2;
-         bA.m_linearVelocity.x -= this.m_invMassA * PX;
-         bA.m_linearVelocity.y -= this.m_invMassA * PY;
-         bA.m_angularVelocity -= this.m_invIA * L1;
-         bB.m_linearVelocity.x += this.m_invMassB * PX;
-         bB.m_linearVelocity.y += this.m_invMassB * PY;
-         bB.m_angularVelocity += this.m_invIB * L2;
-      }
-      else {
-         this.m_impulse.SetZero();
-         this.m_motorImpulse = 0.0;
-      }
-   }
-   b2LineJoint.prototype.SolveVelocityConstraints = function (step) {
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      var v1 = bA.m_linearVelocity;
-      var w1 = bA.m_angularVelocity;
-      var v2 = bB.m_linearVelocity;
-      var w2 = bB.m_angularVelocity;
-      var PX = 0;
-      var PY = 0;
-      var L1 = 0;
-      var L2 = 0;
-      if (this.m_enableMotor && this.m_limitState != b2Joint.e_equalLimits) {
-         var Cdot = this.m_axis.x * (v2.x - v1.x) + this.m_axis.y * (v2.y - v1.y) + this.m_a2 * w2 - this.m_a1 * w1;
-         var impulse = this.m_motorMass * (this.m_motorSpeed - Cdot);
-         var oldImpulse = this.m_motorImpulse;
-         var maxImpulse = step.dt * this.m_maxMotorForce;
-         this.m_motorImpulse = b2Math.Clamp(this.m_motorImpulse + impulse, (-maxImpulse), maxImpulse);
-         impulse = this.m_motorImpulse - oldImpulse;
-         PX = impulse * this.m_axis.x;
-         PY = impulse * this.m_axis.y;
-         L1 = impulse * this.m_a1;
-         L2 = impulse * this.m_a2;
-         v1.x -= this.m_invMassA * PX;
-         v1.y -= this.m_invMassA * PY;
-         w1 -= this.m_invIA * L1;
-         v2.x += this.m_invMassB * PX;
-         v2.y += this.m_invMassB * PY;
-         w2 += this.m_invIB * L2;
-      }
-      var Cdot1 = this.m_perp.x * (v2.x - v1.x) + this.m_perp.y * (v2.y - v1.y) + this.m_s2 * w2 - this.m_s1 * w1;
-      if (this.m_enableLimit && this.m_limitState != b2Joint.e_inactiveLimit) {
-         var Cdot2 = this.m_axis.x * (v2.x - v1.x) + this.m_axis.y * (v2.y - v1.y) + this.m_a2 * w2 - this.m_a1 * w1;
-         var f1 = this.m_impulse.Copy();
-         var df = this.m_K.Solve(new b2Vec2(), (-Cdot1), (-Cdot2));
-         this.m_impulse.Add(df);
-         if (this.m_limitState == b2Joint.e_atLowerLimit) {
-            this.m_impulse.y = b2Math.Max(this.m_impulse.y, 0.0);
-         }
-         else if (this.m_limitState == b2Joint.e_atUpperLimit) {
-            this.m_impulse.y = b2Math.Min(this.m_impulse.y, 0.0);
-         }
-         var b = (-Cdot1) - (this.m_impulse.y - f1.y) * this.m_K.col2.x;
-         var f2r = 0;
-         if (this.m_K.col1.x != 0.0) {
-            f2r = b / this.m_K.col1.x + f1.x;
-         }
-         else {
-            f2r = f1.x;
-         }
-         this.m_impulse.x = f2r;
-         df.x = this.m_impulse.x - f1.x;
-         df.y = this.m_impulse.y - f1.y;
-         PX = df.x * this.m_perp.x + df.y * this.m_axis.x;
-         PY = df.x * this.m_perp.y + df.y * this.m_axis.y;
-         L1 = df.x * this.m_s1 + df.y * this.m_a1;
-         L2 = df.x * this.m_s2 + df.y * this.m_a2;
-         v1.x -= this.m_invMassA * PX;
-         v1.y -= this.m_invMassA * PY;
-         w1 -= this.m_invIA * L1;
-         v2.x += this.m_invMassB * PX;
-         v2.y += this.m_invMassB * PY;
-         w2 += this.m_invIB * L2;
-      }
-      else {
-         var df2 = 0;
-         if (this.m_K.col1.x != 0.0) {
-            df2 = ((-Cdot1)) / this.m_K.col1.x;
-         }
-         else {
-            df2 = 0.0;
-         }
-         this.m_impulse.x += df2;
-         PX = df2 * this.m_perp.x;
-         PY = df2 * this.m_perp.y;
-         L1 = df2 * this.m_s1;
-         L2 = df2 * this.m_s2;
-         v1.x -= this.m_invMassA * PX;
-         v1.y -= this.m_invMassA * PY;
-         w1 -= this.m_invIA * L1;
-         v2.x += this.m_invMassB * PX;
-         v2.y += this.m_invMassB * PY;
-         w2 += this.m_invIB * L2;
-      }
-      bA.m_linearVelocity.SetV(v1);
-      bA.m_angularVelocity = w1;
-      bB.m_linearVelocity.SetV(v2);
-      bB.m_angularVelocity = w2;
-   }
-   b2LineJoint.prototype.SolvePositionConstraints = function (baumgarte) {
-      if (baumgarte === undefined) baumgarte = 0;
-      var limitC = 0;
-      var oldLimitImpulse = 0;
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      var c1 = bA.m_sweep.c;
-      var a1 = bA.m_sweep.a;
-      var c2 = bB.m_sweep.c;
-      var a2 = bB.m_sweep.a;
-      var tMat;
-      var tX = 0;
-      var m1 = 0;
-      var m2 = 0;
-      var i1 = 0;
-      var i2 = 0;
-      var linearError = 0.0;
-      var angularError = 0.0;
-      var active = false;
-      var C2 = 0.0;
-      var R1 = b2Mat22.FromAngle(a1);
-      var R2 = b2Mat22.FromAngle(a2);
-      tMat = R1;
-      var r1X = this.m_localAnchor1.x - this.m_localCenterA.x;
-      var r1Y = this.m_localAnchor1.y - this.m_localCenterA.y;
-      tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
-      r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
-      r1X = tX;
-      tMat = R2;
-      var r2X = this.m_localAnchor2.x - this.m_localCenterB.x;
-      var r2Y = this.m_localAnchor2.y - this.m_localCenterB.y;
-      tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
-      r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
-      r2X = tX;
-      var dX = c2.x + r2X - c1.x - r1X;
-      var dY = c2.y + r2Y - c1.y - r1Y;
-      if (this.m_enableLimit) {
-         this.m_axis = b2Math.MulMV(R1, this.m_localXAxis1);
-         this.m_a1 = (dX + r1X) * this.m_axis.y - (dY + r1Y) * this.m_axis.x;
-         this.m_a2 = r2X * this.m_axis.y - r2Y * this.m_axis.x;
-         var translation = this.m_axis.x * dX + this.m_axis.y * dY;
-         if (b2Math.Abs(this.m_upperTranslation - this.m_lowerTranslation) < 2.0 * b2Settings.b2_linearSlop) {
-            C2 = b2Math.Clamp(translation, (-b2Settings.b2_maxLinearCorrection), b2Settings.b2_maxLinearCorrection);
-            linearError = b2Math.Abs(translation);
-            active = true;
-         }
-         else if (translation <= this.m_lowerTranslation) {
-            C2 = b2Math.Clamp(translation - this.m_lowerTranslation + b2Settings.b2_linearSlop, (-b2Settings.b2_maxLinearCorrection), 0.0);
-            linearError = this.m_lowerTranslation - translation;
-            active = true;
-         }
-         else if (translation >= this.m_upperTranslation) {
-            C2 = b2Math.Clamp(translation - this.m_upperTranslation + b2Settings.b2_linearSlop, 0.0, b2Settings.b2_maxLinearCorrection);
-            linearError = translation - this.m_upperTranslation;
-            active = true;
-         }
-      }
-      this.m_perp = b2Math.MulMV(R1, this.m_localYAxis1);
-      this.m_s1 = (dX + r1X) * this.m_perp.y - (dY + r1Y) * this.m_perp.x;
-      this.m_s2 = r2X * this.m_perp.y - r2Y * this.m_perp.x;
-      var impulse = new b2Vec2();
-      var C1 = this.m_perp.x * dX + this.m_perp.y * dY;
-      linearError = b2Math.Max(linearError, b2Math.Abs(C1));
-      angularError = 0.0;
-      if (active) {
-         m1 = this.m_invMassA;
-         m2 = this.m_invMassB;
-         i1 = this.m_invIA;
-         i2 = this.m_invIB;
-         this.m_K.col1.x = m1 + m2 + i1 * this.m_s1 * this.m_s1 + i2 * this.m_s2 * this.m_s2;
-         this.m_K.col1.y = i1 * this.m_s1 * this.m_a1 + i2 * this.m_s2 * this.m_a2;
-         this.m_K.col2.x = this.m_K.col1.y;
-         this.m_K.col2.y = m1 + m2 + i1 * this.m_a1 * this.m_a1 + i2 * this.m_a2 * this.m_a2;
-         this.m_K.Solve(impulse, (-C1), (-C2));
-      }
-      else {
-         m1 = this.m_invMassA;
-         m2 = this.m_invMassB;
-         i1 = this.m_invIA;
-         i2 = this.m_invIB;
-         var k11 = m1 + m2 + i1 * this.m_s1 * this.m_s1 + i2 * this.m_s2 * this.m_s2;
-         var impulse1 = 0;
-         if (k11 != 0.0) {
-            impulse1 = ((-C1)) / k11;
-         }
-         else {
-            impulse1 = 0.0;
-         }
-         impulse.x = impulse1;
-         impulse.y = 0.0;
-      }
-      var PX = impulse.x * this.m_perp.x + impulse.y * this.m_axis.x;
-      var PY = impulse.x * this.m_perp.y + impulse.y * this.m_axis.y;
-      var L1 = impulse.x * this.m_s1 + impulse.y * this.m_a1;
-      var L2 = impulse.x * this.m_s2 + impulse.y * this.m_a2;
-      c1.x -= this.m_invMassA * PX;
-      c1.y -= this.m_invMassA * PY;
-      a1 -= this.m_invIA * L1;
-      c2.x += this.m_invMassB * PX;
-      c2.y += this.m_invMassB * PY;
-      a2 += this.m_invIB * L2;
-      bA.m_sweep.a = a1;
-      bB.m_sweep.a = a2;
-      bA.SynchronizeTransform();
-      bB.SynchronizeTransform();
-      return linearError <= b2Settings.b2_linearSlop && angularError <= b2Settings.b2_angularSlop;
-   }
-   Box2D.inherit(b2LineJointDef, Box2D.Dynamics.Joints.b2JointDef);
-   b2LineJointDef.prototype.__super = Box2D.Dynamics.Joints.b2JointDef.prototype;
-   b2LineJointDef.b2LineJointDef = function () {
-      Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this, arguments);
-      this.localAnchorA = new b2Vec2();
-      this.localAnchorB = new b2Vec2();
-      this.localAxisA = new b2Vec2();
-   };
-   b2LineJointDef.prototype.b2LineJointDef = function () {
-      this.__super.b2JointDef.call(this);
-      this.type = b2Joint.e_lineJoint;
-      this.localAxisA.Set(1.0, 0.0);
-      this.enableLimit = false;
-      this.lowerTranslation = 0.0;
-      this.upperTranslation = 0.0;
-      this.enableMotor = false;
-      this.maxMotorForce = 0.0;
-      this.motorSpeed = 0.0;
-   }
-   b2LineJointDef.prototype.Initialize = function (bA, bB, anchor, axis) {
-      this.bodyA = bA;
-      this.bodyB = bB;
-      this.localAnchorA = this.bodyA.GetLocalPoint(anchor);
-      this.localAnchorB = this.bodyB.GetLocalPoint(anchor);
-      this.localAxisA = this.bodyA.GetLocalVector(axis);
-   }
-   Box2D.inherit(b2MouseJoint, Box2D.Dynamics.Joints.b2Joint);
-   b2MouseJoint.prototype.__super = Box2D.Dynamics.Joints.b2Joint.prototype;
-   b2MouseJoint.b2MouseJoint = function () {
-      Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this, arguments);
-      this.K = new b2Mat22();
-      this.K1 = new b2Mat22();
-      this.K2 = new b2Mat22();
-      this.m_localAnchor = new b2Vec2();
-      this.m_target = new b2Vec2();
-      this.m_impulse = new b2Vec2();
-      this.m_mass = new b2Mat22();
-      this.m_C = new b2Vec2();
-   };
-   b2MouseJoint.prototype.GetAnchorA = function () {
-      return this.m_target;
-   }
-   b2MouseJoint.prototype.GetAnchorB = function () {
-      return this.m_bodyB.GetWorldPoint(this.m_localAnchor);
-   }
-   b2MouseJoint.prototype.GetReactionForce = function (inv_dt) {
-      if (inv_dt === undefined) inv_dt = 0;
-      return new b2Vec2(inv_dt * this.m_impulse.x, inv_dt * this.m_impulse.y);
-   }
-   b2MouseJoint.prototype.GetReactionTorque = function (inv_dt) {
-      if (inv_dt === undefined) inv_dt = 0;
-      return 0.0;
-   }
-   b2MouseJoint.prototype.GetTarget = function () {
-      return this.m_target;
-   }
-   b2MouseJoint.prototype.SetTarget = function (target) {
-      if (this.m_bodyB.IsAwake() == false) {
-         this.m_bodyB.SetAwake(true);
-      }
-      this.m_target = target;
-   }
-   b2MouseJoint.prototype.GetMaxForce = function () {
-      return this.m_maxForce;
-   }
-   b2MouseJoint.prototype.SetMaxForce = function (maxForce) {
-      if (maxForce === undefined) maxForce = 0;
-      this.m_maxForce = maxForce;
-   }
-   b2MouseJoint.prototype.GetFrequency = function () {
-      return this.m_frequencyHz;
-   }
-   b2MouseJoint.prototype.SetFrequency = function (hz) {
-      if (hz === undefined) hz = 0;
-      this.m_frequencyHz = hz;
-   }
-   b2MouseJoint.prototype.GetDampingRatio = function () {
-      return this.m_dampingRatio;
-   }
-   b2MouseJoint.prototype.SetDampingRatio = function (ratio) {
-      if (ratio === undefined) ratio = 0;
-      this.m_dampingRatio = ratio;
-   }
-   b2MouseJoint.prototype.b2MouseJoint = function (def) {
-      this.__super.b2Joint.call(this, def);
-      this.m_target.SetV(def.target);
-      var tX = this.m_target.x - this.m_bodyB.m_xf.position.x;
-      var tY = this.m_target.y - this.m_bodyB.m_xf.position.y;
-      var tMat = this.m_bodyB.m_xf.R;
-      this.m_localAnchor.x = (tX * tMat.col1.x + tY * tMat.col1.y);
-      this.m_localAnchor.y = (tX * tMat.col2.x + tY * tMat.col2.y);
-      this.m_maxForce = def.maxForce;
-      this.m_impulse.SetZero();
-      this.m_frequencyHz = def.frequencyHz;
-      this.m_dampingRatio = def.dampingRatio;
-      this.m_beta = 0.0;
-      this.m_gamma = 0.0;
-   }
-   b2MouseJoint.prototype.InitVelocityConstraints = function (step) {
-      var b = this.m_bodyB;
-      var mass = b.GetMass();
-      var omega = 2.0 * Math.PI * this.m_frequencyHz;
-      var d = 2.0 * mass * this.m_dampingRatio * omega;
-      var k = mass * omega * omega;
-      this.m_gamma = step.dt * (d + step.dt * k);
-      this.m_gamma = this.m_gamma != 0 ? 1 / this.m_gamma : 0.0;
-      this.m_beta = step.dt * k * this.m_gamma;
-      var tMat;tMat = b.m_xf.R;
-      var rX = this.m_localAnchor.x - b.m_sweep.localCenter.x;
-      var rY = this.m_localAnchor.y - b.m_sweep.localCenter.y;
-      var tX = (tMat.col1.x * rX + tMat.col2.x * rY);rY = (tMat.col1.y * rX + tMat.col2.y * rY);
-      rX = tX;
-      var invMass = b.m_invMass;
-      var invI = b.m_invI;this.K1.col1.x = invMass;
-      this.K1.col2.x = 0.0;
-      this.K1.col1.y = 0.0;
-      this.K1.col2.y = invMass;
-      this.K2.col1.x = invI * rY * rY;
-      this.K2.col2.x = (-invI * rX * rY);
-      this.K2.col1.y = (-invI * rX * rY);
-      this.K2.col2.y = invI * rX * rX;
-      this.K.SetM(this.K1);
-      this.K.AddM(this.K2);
-      this.K.col1.x += this.m_gamma;
-      this.K.col2.y += this.m_gamma;
-      this.K.GetInverse(this.m_mass);
-      this.m_C.x = b.m_sweep.c.x + rX - this.m_target.x;
-      this.m_C.y = b.m_sweep.c.y + rY - this.m_target.y;
-      b.m_angularVelocity *= 0.98;
-      this.m_impulse.x *= step.dtRatio;
-      this.m_impulse.y *= step.dtRatio;
-      b.m_linearVelocity.x += invMass * this.m_impulse.x;
-      b.m_linearVelocity.y += invMass * this.m_impulse.y;
-      b.m_angularVelocity += invI * (rX * this.m_impulse.y - rY * this.m_impulse.x);
-   }
-   b2MouseJoint.prototype.SolveVelocityConstraints = function (step) {
-      var b = this.m_bodyB;
-      var tMat;
-      var tX = 0;
-      var tY = 0;
-      tMat = b.m_xf.R;
-      var rX = this.m_localAnchor.x - b.m_sweep.localCenter.x;
-      var rY = this.m_localAnchor.y - b.m_sweep.localCenter.y;
-      tX = (tMat.col1.x * rX + tMat.col2.x * rY);
-      rY = (tMat.col1.y * rX + tMat.col2.y * rY);
-      rX = tX;
-      var CdotX = b.m_linearVelocity.x + ((-b.m_angularVelocity * rY));
-      var CdotY = b.m_linearVelocity.y + (b.m_angularVelocity * rX);
-      tMat = this.m_mass;
-      tX = CdotX + this.m_beta * this.m_C.x + this.m_gamma * this.m_impulse.x;
-      tY = CdotY + this.m_beta * this.m_C.y + this.m_gamma * this.m_impulse.y;
-      var impulseX = (-(tMat.col1.x * tX + tMat.col2.x * tY));
-      var impulseY = (-(tMat.col1.y * tX + tMat.col2.y * tY));
-      var oldImpulseX = this.m_impulse.x;
-      var oldImpulseY = this.m_impulse.y;
-      this.m_impulse.x += impulseX;
-      this.m_impulse.y += impulseY;
-      var maxImpulse = step.dt * this.m_maxForce;
-      if (this.m_impulse.LengthSquared() > maxImpulse * maxImpulse) {
-         this.m_impulse.Multiply(maxImpulse / this.m_impulse.Length());
-      }
-      impulseX = this.m_impulse.x - oldImpulseX;
-      impulseY = this.m_impulse.y - oldImpulseY;
-      b.m_linearVelocity.x += b.m_invMass * impulseX;
-      b.m_linearVelocity.y += b.m_invMass * impulseY;
-      b.m_angularVelocity += b.m_invI * (rX * impulseY - rY * impulseX);
-   }
-   b2MouseJoint.prototype.SolvePositionConstraints = function (baumgarte) {
-      if (baumgarte === undefined) baumgarte = 0;
-      return true;
-   }
-   Box2D.inherit(b2MouseJointDef, Box2D.Dynamics.Joints.b2JointDef);
-   b2MouseJointDef.prototype.__super = Box2D.Dynamics.Joints.b2JointDef.prototype;
-   b2MouseJointDef.b2MouseJointDef = function () {
-      Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this, arguments);
-      this.target = new b2Vec2();
-   };
-   b2MouseJointDef.prototype.b2MouseJointDef = function () {
-      this.__super.b2JointDef.call(this);
-      this.type = b2Joint.e_mouseJoint;
-      this.maxForce = 0.0;
-      this.frequencyHz = 5.0;
-      this.dampingRatio = 0.7;
-   }
-   Box2D.inherit(b2PrismaticJoint, Box2D.Dynamics.Joints.b2Joint);
-   b2PrismaticJoint.prototype.__super = Box2D.Dynamics.Joints.b2Joint.prototype;
-   b2PrismaticJoint.b2PrismaticJoint = function () {
-      Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this, arguments);
-      this.m_localAnchor1 = new b2Vec2();
-      this.m_localAnchor2 = new b2Vec2();
-      this.m_localXAxis1 = new b2Vec2();
-      this.m_localYAxis1 = new b2Vec2();
-      this.m_axis = new b2Vec2();
-      this.m_perp = new b2Vec2();
-      this.m_K = new b2Mat33();
-      this.m_impulse = new b2Vec3();
-   };
-   b2PrismaticJoint.prototype.GetAnchorA = function () {
-      return this.m_bodyA.GetWorldPoint(this.m_localAnchor1);
-   }
-   b2PrismaticJoint.prototype.GetAnchorB = function () {
-      return this.m_bodyB.GetWorldPoint(this.m_localAnchor2);
-   }
-   b2PrismaticJoint.prototype.GetReactionForce = function (inv_dt) {
-      if (inv_dt === undefined) inv_dt = 0;
-      return new b2Vec2(inv_dt * (this.m_impulse.x * this.m_perp.x + (this.m_motorImpulse + this.m_impulse.z) * this.m_axis.x), inv_dt * (this.m_impulse.x * this.m_perp.y + (this.m_motorImpulse + this.m_impulse.z) * this.m_axis.y));
-   }
-   b2PrismaticJoint.prototype.GetReactionTorque = function (inv_dt) {
-      if (inv_dt === undefined) inv_dt = 0;
-      return inv_dt * this.m_impulse.y;
-   }
-   b2PrismaticJoint.prototype.GetJointTranslation = function () {
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      var tMat;
-      var p1 = bA.GetWorldPoint(this.m_localAnchor1);
-      var p2 = bB.GetWorldPoint(this.m_localAnchor2);
-      var dX = p2.x - p1.x;
-      var dY = p2.y - p1.y;
-      var axis = bA.GetWorldVector(this.m_localXAxis1);
-      var translation = axis.x * dX + axis.y * dY;
-      return translation;
-   }
-   b2PrismaticJoint.prototype.GetJointSpeed = function () {
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      var tMat;
-      tMat = bA.m_xf.R;
-      var r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
-      var r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
-      var tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
-      r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
-      r1X = tX;
-      tMat = bB.m_xf.R;
-      var r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
-      var r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
-      tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
-      r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
-      r2X = tX;
-      var p1X = bA.m_sweep.c.x + r1X;
-      var p1Y = bA.m_sweep.c.y + r1Y;
-      var p2X = bB.m_sweep.c.x + r2X;
-      var p2Y = bB.m_sweep.c.y + r2Y;
-      var dX = p2X - p1X;
-      var dY = p2Y - p1Y;
-      var axis = bA.GetWorldVector(this.m_localXAxis1);
-      var v1 = bA.m_linearVelocity;
-      var v2 = bB.m_linearVelocity;
-      var w1 = bA.m_angularVelocity;
-      var w2 = bB.m_angularVelocity;
-      var speed = (dX * ((-w1 * axis.y)) + dY * (w1 * axis.x)) + (axis.x * (((v2.x + ((-w2 * r2Y))) - v1.x) - ((-w1 * r1Y))) + axis.y * (((v2.y + (w2 * r2X)) - v1.y) - (w1 * r1X)));
-      return speed;
-   }
-   b2PrismaticJoint.prototype.IsLimitEnabled = function () {
-      return this.m_enableLimit;
-   }
-   b2PrismaticJoint.prototype.EnableLimit = function (flag) {
-      this.m_bodyA.SetAwake(true);
-      this.m_bodyB.SetAwake(true);
-      this.m_enableLimit = flag;
-   }
-   b2PrismaticJoint.prototype.GetLowerLimit = function () {
-      return this.m_lowerTranslation;
-   }
-   b2PrismaticJoint.prototype.GetUpperLimit = function () {
-      return this.m_upperTranslation;
-   }
-   b2PrismaticJoint.prototype.SetLimits = function (lower, upper) {
-      if (lower === undefined) lower = 0;
-      if (upper === undefined) upper = 0;
-      this.m_bodyA.SetAwake(true);
-      this.m_bodyB.SetAwake(true);
-      this.m_lowerTranslation = lower;
-      this.m_upperTranslation = upper;
-   }
-   b2PrismaticJoint.prototype.IsMotorEnabled = function () {
-      return this.m_enableMotor;
-   }
-   b2PrismaticJoint.prototype.EnableMotor = function (flag) {
-      this.m_bodyA.SetAwake(true);
-      this.m_bodyB.SetAwake(true);
-      this.m_enableMotor = flag;
-   }
-   b2PrismaticJoint.prototype.SetMotorSpeed = function (speed) {
-      if (speed === undefined) speed = 0;
-      this.m_bodyA.SetAwake(true);
-      this.m_bodyB.SetAwake(true);
-      this.m_motorSpeed = speed;
-   }
-   b2PrismaticJoint.prototype.GetMotorSpeed = function () {
-      return this.m_motorSpeed;
-   }
-   b2PrismaticJoint.prototype.SetMaxMotorForce = function (force) {
-      if (force === undefined) force = 0;
-      this.m_bodyA.SetAwake(true);
-      this.m_bodyB.SetAwake(true);
-      this.m_maxMotorForce = force;
-   }
-   b2PrismaticJoint.prototype.GetMotorForce = function () {
-      return this.m_motorImpulse;
-   }
-   b2PrismaticJoint.prototype.b2PrismaticJoint = function (def) {
-      this.__super.b2Joint.call(this, def);
-      var tMat;
-      var tX = 0;
-      var tY = 0;
-      this.m_localAnchor1.SetV(def.localAnchorA);
-      this.m_localAnchor2.SetV(def.localAnchorB);
-      this.m_localXAxis1.SetV(def.localAxisA);
-      this.m_localYAxis1.x = (-this.m_localXAxis1.y);
-      this.m_localYAxis1.y = this.m_localXAxis1.x;
-      this.m_refAngle = def.referenceAngle;
-      this.m_impulse.SetZero();
-      this.m_motorMass = 0.0;
-      this.m_motorImpulse = 0.0;
-      this.m_lowerTranslation = def.lowerTranslation;
-      this.m_upperTranslation = def.upperTranslation;
-      this.m_maxMotorForce = def.maxMotorForce;
-      this.m_motorSpeed = def.motorSpeed;
-      this.m_enableLimit = def.enableLimit;
-      this.m_enableMotor = def.enableMotor;
-      this.m_limitState = b2Joint.e_inactiveLimit;
-      this.m_axis.SetZero();
-      this.m_perp.SetZero();
-   }
-   b2PrismaticJoint.prototype.InitVelocityConstraints = function (step) {
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      var tMat;
-      var tX = 0;
-      this.m_localCenterA.SetV(bA.GetLocalCenter());
-      this.m_localCenterB.SetV(bB.GetLocalCenter());
-      var xf1 = bA.GetTransform();
-      var xf2 = bB.GetTransform();
-      tMat = bA.m_xf.R;
-      var r1X = this.m_localAnchor1.x - this.m_localCenterA.x;
-      var r1Y = this.m_localAnchor1.y - this.m_localCenterA.y;
-      tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
-      r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
-      r1X = tX;
-      tMat = bB.m_xf.R;
-      var r2X = this.m_localAnchor2.x - this.m_localCenterB.x;
-      var r2Y = this.m_localAnchor2.y - this.m_localCenterB.y;
-      tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
-      r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
-      r2X = tX;
-      var dX = bB.m_sweep.c.x + r2X - bA.m_sweep.c.x - r1X;
-      var dY = bB.m_sweep.c.y + r2Y - bA.m_sweep.c.y - r1Y;
-      this.m_invMassA = bA.m_invMass;
-      this.m_invMassB = bB.m_invMass;
-      this.m_invIA = bA.m_invI;
-      this.m_invIB = bB.m_invI; {
-         this.m_axis.SetV(b2Math.MulMV(xf1.R, this.m_localXAxis1));
-         this.m_a1 = (dX + r1X) * this.m_axis.y - (dY + r1Y) * this.m_axis.x;
-         this.m_a2 = r2X * this.m_axis.y - r2Y * this.m_axis.x;
-         this.m_motorMass = this.m_invMassA + this.m_invMassB + this.m_invIA * this.m_a1 * this.m_a1 + this.m_invIB * this.m_a2 * this.m_a2;
-         if (this.m_motorMass > Number.MIN_VALUE) this.m_motorMass = 1.0 / this.m_motorMass;
-      } {
-         this.m_perp.SetV(b2Math.MulMV(xf1.R, this.m_localYAxis1));
-         this.m_s1 = (dX + r1X) * this.m_perp.y - (dY + r1Y) * this.m_perp.x;
-         this.m_s2 = r2X * this.m_perp.y - r2Y * this.m_perp.x;
-         var m1 = this.m_invMassA;
-         var m2 = this.m_invMassB;
-         var i1 = this.m_invIA;
-         var i2 = this.m_invIB;
-         this.m_K.col1.x = m1 + m2 + i1 * this.m_s1 * this.m_s1 + i2 * this.m_s2 * this.m_s2;
-         this.m_K.col1.y = i1 * this.m_s1 + i2 * this.m_s2;
-         this.m_K.col1.z = i1 * this.m_s1 * this.m_a1 + i2 * this.m_s2 * this.m_a2;
-         this.m_K.col2.x = this.m_K.col1.y;
-         this.m_K.col2.y = i1 + i2;
-         this.m_K.col2.z = i1 * this.m_a1 + i2 * this.m_a2;
-         this.m_K.col3.x = this.m_K.col1.z;
-         this.m_K.col3.y = this.m_K.col2.z;
-         this.m_K.col3.z = m1 + m2 + i1 * this.m_a1 * this.m_a1 + i2 * this.m_a2 * this.m_a2;
-      }
-      if (this.m_enableLimit) {
-         var jointTransition = this.m_axis.x * dX + this.m_axis.y * dY;
-         if (b2Math.Abs(this.m_upperTranslation - this.m_lowerTranslation) < 2.0 * b2Settings.b2_linearSlop) {
-            this.m_limitState = b2Joint.e_equalLimits;
-         }
-         else if (jointTransition <= this.m_lowerTranslation) {
-            if (this.m_limitState != b2Joint.e_atLowerLimit) {
-               this.m_limitState = b2Joint.e_atLowerLimit;
-               this.m_impulse.z = 0.0;
-            }
-         }
-         else if (jointTransition >= this.m_upperTranslation) {
-            if (this.m_limitState != b2Joint.e_atUpperLimit) {
-               this.m_limitState = b2Joint.e_atUpperLimit;
-               this.m_impulse.z = 0.0;
-            }
-         }
-         else {
-            this.m_limitState = b2Joint.e_inactiveLimit;
-            this.m_impulse.z = 0.0;
-         }
-      }
-      else {
-         this.m_limitState = b2Joint.e_inactiveLimit;
-      }
-      if (this.m_enableMotor == false) {
-         this.m_motorImpulse = 0.0;
-      }
-      if (step.warmStarting) {
-         this.m_impulse.x *= step.dtRatio;
-         this.m_impulse.y *= step.dtRatio;
-         this.m_motorImpulse *= step.dtRatio;
-         var PX = this.m_impulse.x * this.m_perp.x + (this.m_motorImpulse + this.m_impulse.z) * this.m_axis.x;
-         var PY = this.m_impulse.x * this.m_perp.y + (this.m_motorImpulse + this.m_impulse.z) * this.m_axis.y;
-         var L1 = this.m_impulse.x * this.m_s1 + this.m_impulse.y + (this.m_motorImpulse + this.m_impulse.z) * this.m_a1;
-         var L2 = this.m_impulse.x * this.m_s2 + this.m_impulse.y + (this.m_motorImpulse + this.m_impulse.z) * this.m_a2;
-         bA.m_linearVelocity.x -= this.m_invMassA * PX;
-         bA.m_linearVelocity.y -= this.m_invMassA * PY;
-         bA.m_angularVelocity -= this.m_invIA * L1;
-         bB.m_linearVelocity.x += this.m_invMassB * PX;
-         bB.m_linearVelocity.y += this.m_invMassB * PY;
-         bB.m_angularVelocity += this.m_invIB * L2;
-      }
-      else {
-         this.m_impulse.SetZero();
-         this.m_motorImpulse = 0.0;
-      }
-   }
-   b2PrismaticJoint.prototype.SolveVelocityConstraints = function (step) {
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      var v1 = bA.m_linearVelocity;
-      var w1 = bA.m_angularVelocity;
-      var v2 = bB.m_linearVelocity;
-      var w2 = bB.m_angularVelocity;
-      var PX = 0;
-      var PY = 0;
-      var L1 = 0;
-      var L2 = 0;
-      if (this.m_enableMotor && this.m_limitState != b2Joint.e_equalLimits) {
-         var Cdot = this.m_axis.x * (v2.x - v1.x) + this.m_axis.y * (v2.y - v1.y) + this.m_a2 * w2 - this.m_a1 * w1;
-         var impulse = this.m_motorMass * (this.m_motorSpeed - Cdot);
-         var oldImpulse = this.m_motorImpulse;
-         var maxImpulse = step.dt * this.m_maxMotorForce;
-         this.m_motorImpulse = b2Math.Clamp(this.m_motorImpulse + impulse, (-maxImpulse), maxImpulse);
-         impulse = this.m_motorImpulse - oldImpulse;
-         PX = impulse * this.m_axis.x;
-         PY = impulse * this.m_axis.y;
-         L1 = impulse * this.m_a1;
-         L2 = impulse * this.m_a2;
-         v1.x -= this.m_invMassA * PX;
-         v1.y -= this.m_invMassA * PY;
-         w1 -= this.m_invIA * L1;
-         v2.x += this.m_invMassB * PX;
-         v2.y += this.m_invMassB * PY;
-         w2 += this.m_invIB * L2;
-      }
-      var Cdot1X = this.m_perp.x * (v2.x - v1.x) + this.m_perp.y * (v2.y - v1.y) + this.m_s2 * w2 - this.m_s1 * w1;
-      var Cdot1Y = w2 - w1;
-      if (this.m_enableLimit && this.m_limitState != b2Joint.e_inactiveLimit) {
-         var Cdot2 = this.m_axis.x * (v2.x - v1.x) + this.m_axis.y * (v2.y - v1.y) + this.m_a2 * w2 - this.m_a1 * w1;
-         var f1 = this.m_impulse.Copy();
-         var df = this.m_K.Solve33(new b2Vec3(), (-Cdot1X), (-Cdot1Y), (-Cdot2));
-         this.m_impulse.Add(df);
-         if (this.m_limitState == b2Joint.e_atLowerLimit) {
-            this.m_impulse.z = b2Math.Max(this.m_impulse.z, 0.0);
-         }
-         else if (this.m_limitState == b2Joint.e_atUpperLimit) {
-            this.m_impulse.z = b2Math.Min(this.m_impulse.z, 0.0);
-         }
-         var bX = (-Cdot1X) - (this.m_impulse.z - f1.z) * this.m_K.col3.x;
-         var bY = (-Cdot1Y) - (this.m_impulse.z - f1.z) * this.m_K.col3.y;
-         var f2r = this.m_K.Solve22(new b2Vec2(), bX, bY);
-         f2r.x += f1.x;
-         f2r.y += f1.y;
-         this.m_impulse.x = f2r.x;
-         this.m_impulse.y = f2r.y;
-         df.x = this.m_impulse.x - f1.x;
-         df.y = this.m_impulse.y - f1.y;
-         df.z = this.m_impulse.z - f1.z;
-         PX = df.x * this.m_perp.x + df.z * this.m_axis.x;
-         PY = df.x * this.m_perp.y + df.z * this.m_axis.y;
-         L1 = df.x * this.m_s1 + df.y + df.z * this.m_a1;
-         L2 = df.x * this.m_s2 + df.y + df.z * this.m_a2;
-         v1.x -= this.m_invMassA * PX;
-         v1.y -= this.m_invMassA * PY;
-         w1 -= this.m_invIA * L1;
-         v2.x += this.m_invMassB * PX;
-         v2.y += this.m_invMassB * PY;
-         w2 += this.m_invIB * L2;
-      }
-      else {
-         var df2 = this.m_K.Solve22(new b2Vec2(), (-Cdot1X), (-Cdot1Y));
-         this.m_impulse.x += df2.x;
-         this.m_impulse.y += df2.y;
-         PX = df2.x * this.m_perp.x;
-         PY = df2.x * this.m_perp.y;
-         L1 = df2.x * this.m_s1 + df2.y;
-         L2 = df2.x * this.m_s2 + df2.y;
-         v1.x -= this.m_invMassA * PX;
-         v1.y -= this.m_invMassA * PY;
-         w1 -= this.m_invIA * L1;
-         v2.x += this.m_invMassB * PX;
-         v2.y += this.m_invMassB * PY;
-         w2 += this.m_invIB * L2;
-      }
-      bA.m_linearVelocity.SetV(v1);
-      bA.m_angularVelocity = w1;
-      bB.m_linearVelocity.SetV(v2);
-      bB.m_angularVelocity = w2;
-   }
-   b2PrismaticJoint.prototype.SolvePositionConstraints = function (baumgarte) {
-      if (baumgarte === undefined) baumgarte = 0;
-      var limitC = 0;
-      var oldLimitImpulse = 0;
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      var c1 = bA.m_sweep.c;
-      var a1 = bA.m_sweep.a;
-      var c2 = bB.m_sweep.c;
-      var a2 = bB.m_sweep.a;
-      var tMat;
-      var tX = 0;
-      var m1 = 0;
-      var m2 = 0;
-      var i1 = 0;
-      var i2 = 0;
-      var linearError = 0.0;
-      var angularError = 0.0;
-      var active = false;
-      var C2 = 0.0;
-      var R1 = b2Mat22.FromAngle(a1);
-      var R2 = b2Mat22.FromAngle(a2);
-      tMat = R1;
-      var r1X = this.m_localAnchor1.x - this.m_localCenterA.x;
-      var r1Y = this.m_localAnchor1.y - this.m_localCenterA.y;
-      tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
-      r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
-      r1X = tX;
-      tMat = R2;
-      var r2X = this.m_localAnchor2.x - this.m_localCenterB.x;
-      var r2Y = this.m_localAnchor2.y - this.m_localCenterB.y;
-      tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
-      r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
-      r2X = tX;
-      var dX = c2.x + r2X - c1.x - r1X;
-      var dY = c2.y + r2Y - c1.y - r1Y;
-      if (this.m_enableLimit) {
-         this.m_axis = b2Math.MulMV(R1, this.m_localXAxis1);
-         this.m_a1 = (dX + r1X) * this.m_axis.y - (dY + r1Y) * this.m_axis.x;
-         this.m_a2 = r2X * this.m_axis.y - r2Y * this.m_axis.x;
-         var translation = this.m_axis.x * dX + this.m_axis.y * dY;
-         if (b2Math.Abs(this.m_upperTranslation - this.m_lowerTranslation) < 2.0 * b2Settings.b2_linearSlop) {
-            C2 = b2Math.Clamp(translation, (-b2Settings.b2_maxLinearCorrection), b2Settings.b2_maxLinearCorrection);
-            linearError = b2Math.Abs(translation);
-            active = true;
-         }
-         else if (translation <= this.m_lowerTranslation) {
-            C2 = b2Math.Clamp(translation - this.m_lowerTranslation + b2Settings.b2_linearSlop, (-b2Settings.b2_maxLinearCorrection), 0.0);
-            linearError = this.m_lowerTranslation - translation;
-            active = true;
-         }
-         else if (translation >= this.m_upperTranslation) {
-            C2 = b2Math.Clamp(translation - this.m_upperTranslation + b2Settings.b2_linearSlop, 0.0, b2Settings.b2_maxLinearCorrection);
-            linearError = translation - this.m_upperTranslation;
-            active = true;
-         }
-      }
-      this.m_perp = b2Math.MulMV(R1, this.m_localYAxis1);
-      this.m_s1 = (dX + r1X) * this.m_perp.y - (dY + r1Y) * this.m_perp.x;
-      this.m_s2 = r2X * this.m_perp.y - r2Y * this.m_perp.x;
-      var impulse = new b2Vec3();
-      var C1X = this.m_perp.x * dX + this.m_perp.y * dY;
-      var C1Y = a2 - a1 - this.m_refAngle;
-      linearError = b2Math.Max(linearError, b2Math.Abs(C1X));
-      angularError = b2Math.Abs(C1Y);
-      if (active) {
-         m1 = this.m_invMassA;
-         m2 = this.m_invMassB;
-         i1 = this.m_invIA;
-         i2 = this.m_invIB;
-         this.m_K.col1.x = m1 + m2 + i1 * this.m_s1 * this.m_s1 + i2 * this.m_s2 * this.m_s2;
-         this.m_K.col1.y = i1 * this.m_s1 + i2 * this.m_s2;
-         this.m_K.col1.z = i1 * this.m_s1 * this.m_a1 + i2 * this.m_s2 * this.m_a2;
-         this.m_K.col2.x = this.m_K.col1.y;
-         this.m_K.col2.y = i1 + i2;
-         this.m_K.col2.z = i1 * this.m_a1 + i2 * this.m_a2;
-         this.m_K.col3.x = this.m_K.col1.z;
-         this.m_K.col3.y = this.m_K.col2.z;
-         this.m_K.col3.z = m1 + m2 + i1 * this.m_a1 * this.m_a1 + i2 * this.m_a2 * this.m_a2;
-         this.m_K.Solve33(impulse, (-C1X), (-C1Y), (-C2));
-      }
-      else {
-         m1 = this.m_invMassA;
-         m2 = this.m_invMassB;
-         i1 = this.m_invIA;
-         i2 = this.m_invIB;
-         var k11 = m1 + m2 + i1 * this.m_s1 * this.m_s1 + i2 * this.m_s2 * this.m_s2;
-         var k12 = i1 * this.m_s1 + i2 * this.m_s2;
-         var k22 = i1 + i2;
-         this.m_K.col1.Set(k11, k12, 0.0);
-         this.m_K.col2.Set(k12, k22, 0.0);
-         var impulse1 = this.m_K.Solve22(new b2Vec2(), (-C1X), (-C1Y));
-         impulse.x = impulse1.x;
-         impulse.y = impulse1.y;
-         impulse.z = 0.0;
-      }
-      var PX = impulse.x * this.m_perp.x + impulse.z * this.m_axis.x;
-      var PY = impulse.x * this.m_perp.y + impulse.z * this.m_axis.y;
-      var L1 = impulse.x * this.m_s1 + impulse.y + impulse.z * this.m_a1;
-      var L2 = impulse.x * this.m_s2 + impulse.y + impulse.z * this.m_a2;
-      c1.x -= this.m_invMassA * PX;
-      c1.y -= this.m_invMassA * PY;
-      a1 -= this.m_invIA * L1;
-      c2.x += this.m_invMassB * PX;
-      c2.y += this.m_invMassB * PY;
-      a2 += this.m_invIB * L2;
-      bA.m_sweep.a = a1;
-      bB.m_sweep.a = a2;
-      bA.SynchronizeTransform();
-      bB.SynchronizeTransform();
-      return linearError <= b2Settings.b2_linearSlop && angularError <= b2Settings.b2_angularSlop;
-   }
-   Box2D.inherit(b2PrismaticJointDef, Box2D.Dynamics.Joints.b2JointDef);
-   b2PrismaticJointDef.prototype.__super = Box2D.Dynamics.Joints.b2JointDef.prototype;
-   b2PrismaticJointDef.b2PrismaticJointDef = function () {
-      Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this, arguments);
-      this.localAnchorA = new b2Vec2();
-      this.localAnchorB = new b2Vec2();
-      this.localAxisA = new b2Vec2();
-   };
-   b2PrismaticJointDef.prototype.b2PrismaticJointDef = function () {
-      this.__super.b2JointDef.call(this);
-      this.type = b2Joint.e_prismaticJoint;
-      this.localAxisA.Set(1.0, 0.0);
-      this.referenceAngle = 0.0;
-      this.enableLimit = false;
-      this.lowerTranslation = 0.0;
-      this.upperTranslation = 0.0;
-      this.enableMotor = false;
-      this.maxMotorForce = 0.0;
-      this.motorSpeed = 0.0;
-   }
-   b2PrismaticJointDef.prototype.Initialize = function (bA, bB, anchor, axis) {
-      this.bodyA = bA;
-      this.bodyB = bB;
-      this.localAnchorA = this.bodyA.GetLocalPoint(anchor);
-      this.localAnchorB = this.bodyB.GetLocalPoint(anchor);
-      this.localAxisA = this.bodyA.GetLocalVector(axis);
-      this.referenceAngle = this.bodyB.GetAngle() - this.bodyA.GetAngle();
-   }
-   Box2D.inherit(b2PulleyJoint, Box2D.Dynamics.Joints.b2Joint);
-   b2PulleyJoint.prototype.__super = Box2D.Dynamics.Joints.b2Joint.prototype;
-   b2PulleyJoint.b2PulleyJoint = function () {
-      Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this, arguments);
-      this.m_groundAnchor1 = new b2Vec2();
-      this.m_groundAnchor2 = new b2Vec2();
-      this.m_localAnchor1 = new b2Vec2();
-      this.m_localAnchor2 = new b2Vec2();
-      this.m_u1 = new b2Vec2();
-      this.m_u2 = new b2Vec2();
-   };
-   b2PulleyJoint.prototype.GetAnchorA = function () {
-      return this.m_bodyA.GetWorldPoint(this.m_localAnchor1);
-   }
-   b2PulleyJoint.prototype.GetAnchorB = function () {
-      return this.m_bodyB.GetWorldPoint(this.m_localAnchor2);
-   }
-   b2PulleyJoint.prototype.GetReactionForce = function (inv_dt) {
-      if (inv_dt === undefined) inv_dt = 0;
-      return new b2Vec2(inv_dt * this.m_impulse * this.m_u2.x, inv_dt * this.m_impulse * this.m_u2.y);
-   }
-   b2PulleyJoint.prototype.GetReactionTorque = function (inv_dt) {
-      if (inv_dt === undefined) inv_dt = 0;
-      return 0.0;
-   }
-   b2PulleyJoint.prototype.GetGroundAnchorA = function () {
-      var a = this.m_ground.m_xf.position.Copy();
-      a.Add(this.m_groundAnchor1);
-      return a;
-   }
-   b2PulleyJoint.prototype.GetGroundAnchorB = function () {
-      var a = this.m_ground.m_xf.position.Copy();
-      a.Add(this.m_groundAnchor2);
-      return a;
-   }
-   b2PulleyJoint.prototype.GetLength1 = function () {
-      var p = this.m_bodyA.GetWorldPoint(this.m_localAnchor1);
-      var sX = this.m_ground.m_xf.position.x + this.m_groundAnchor1.x;
-      var sY = this.m_ground.m_xf.position.y + this.m_groundAnchor1.y;
-      var dX = p.x - sX;
-      var dY = p.y - sY;
-      return Math.sqrt(dX * dX + dY * dY);
-   }
-   b2PulleyJoint.prototype.GetLength2 = function () {
-      var p = this.m_bodyB.GetWorldPoint(this.m_localAnchor2);
-      var sX = this.m_ground.m_xf.position.x + this.m_groundAnchor2.x;
-      var sY = this.m_ground.m_xf.position.y + this.m_groundAnchor2.y;
-      var dX = p.x - sX;
-      var dY = p.y - sY;
-      return Math.sqrt(dX * dX + dY * dY);
-   }
-   b2PulleyJoint.prototype.GetRatio = function () {
-      return this.m_ratio;
-   }
-   b2PulleyJoint.prototype.b2PulleyJoint = function (def) {
-      this.__super.b2Joint.call(this, def);
-      var tMat;
-      var tX = 0;
-      var tY = 0;
-      this.m_ground = this.m_bodyA.m_world.m_groundBody;
-      this.m_groundAnchor1.x = def.groundAnchorA.x - this.m_ground.m_xf.position.x;
-      this.m_groundAnchor1.y = def.groundAnchorA.y - this.m_ground.m_xf.position.y;
-      this.m_groundAnchor2.x = def.groundAnchorB.x - this.m_ground.m_xf.position.x;
-      this.m_groundAnchor2.y = def.groundAnchorB.y - this.m_ground.m_xf.position.y;
-      this.m_localAnchor1.SetV(def.localAnchorA);
-      this.m_localAnchor2.SetV(def.localAnchorB);
-      this.m_ratio = def.ratio;
-      this.m_constant = def.lengthA + this.m_ratio * def.lengthB;
-      this.m_maxLength1 = b2Math.Min(def.maxLengthA, this.m_constant - this.m_ratio * b2PulleyJoint.b2_minPulleyLength);
-      this.m_maxLength2 = b2Math.Min(def.maxLengthB, (this.m_constant - b2PulleyJoint.b2_minPulleyLength) / this.m_ratio);
-      this.m_impulse = 0.0;
-      this.m_limitImpulse1 = 0.0;
-      this.m_limitImpulse2 = 0.0;
-   }
-   b2PulleyJoint.prototype.InitVelocityConstraints = function (step) {
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      var tMat;
-      tMat = bA.m_xf.R;
-      var r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
-      var r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
-      var tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
-      r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
-      r1X = tX;
-      tMat = bB.m_xf.R;
-      var r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
-      var r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
-      tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
-      r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
-      r2X = tX;
-      var p1X = bA.m_sweep.c.x + r1X;
-      var p1Y = bA.m_sweep.c.y + r1Y;
-      var p2X = bB.m_sweep.c.x + r2X;
-      var p2Y = bB.m_sweep.c.y + r2Y;
-      var s1X = this.m_ground.m_xf.position.x + this.m_groundAnchor1.x;
-      var s1Y = this.m_ground.m_xf.position.y + this.m_groundAnchor1.y;
-      var s2X = this.m_ground.m_xf.position.x + this.m_groundAnchor2.x;
-      var s2Y = this.m_ground.m_xf.position.y + this.m_groundAnchor2.y;
-      this.m_u1.Set(p1X - s1X, p1Y - s1Y);
-      this.m_u2.Set(p2X - s2X, p2Y - s2Y);
-      var length1 = this.m_u1.Length();
-      var length2 = this.m_u2.Length();
-      if (length1 > b2Settings.b2_linearSlop) {
-         this.m_u1.Multiply(1.0 / length1);
-      }
-      else {
-         this.m_u1.SetZero();
-      }
-      if (length2 > b2Settings.b2_linearSlop) {
-         this.m_u2.Multiply(1.0 / length2);
-      }
-      else {
-         this.m_u2.SetZero();
-      }
-      var C = this.m_constant - length1 - this.m_ratio * length2;
-      if (C > 0.0) {
-         this.m_state = b2Joint.e_inactiveLimit;
-         this.m_impulse = 0.0;
-      }
-      else {
-         this.m_state = b2Joint.e_atUpperLimit;
-      }
-      if (length1 < this.m_maxLength1) {
-         this.m_limitState1 = b2Joint.e_inactiveLimit;
-         this.m_limitImpulse1 = 0.0;
-      }
-      else {
-         this.m_limitState1 = b2Joint.e_atUpperLimit;
-      }
-      if (length2 < this.m_maxLength2) {
-         this.m_limitState2 = b2Joint.e_inactiveLimit;
-         this.m_limitImpulse2 = 0.0;
-      }
-      else {
-         this.m_limitState2 = b2Joint.e_atUpperLimit;
-      }
-      var cr1u1 = r1X * this.m_u1.y - r1Y * this.m_u1.x;
-      var cr2u2 = r2X * this.m_u2.y - r2Y * this.m_u2.x;
-      this.m_limitMass1 = bA.m_invMass + bA.m_invI * cr1u1 * cr1u1;
-      this.m_limitMass2 = bB.m_invMass + bB.m_invI * cr2u2 * cr2u2;
-      this.m_pulleyMass = this.m_limitMass1 + this.m_ratio * this.m_ratio * this.m_limitMass2;
-      this.m_limitMass1 = 1.0 / this.m_limitMass1;
-      this.m_limitMass2 = 1.0 / this.m_limitMass2;
-      this.m_pulleyMass = 1.0 / this.m_pulleyMass;
-      if (step.warmStarting) {
-         this.m_impulse *= step.dtRatio;
-         this.m_limitImpulse1 *= step.dtRatio;
-         this.m_limitImpulse2 *= step.dtRatio;
-         var P1X = ((-this.m_impulse) - this.m_limitImpulse1) * this.m_u1.x;
-         var P1Y = ((-this.m_impulse) - this.m_limitImpulse1) * this.m_u1.y;
-         var P2X = ((-this.m_ratio * this.m_impulse) - this.m_limitImpulse2) * this.m_u2.x;
-         var P2Y = ((-this.m_ratio * this.m_impulse) - this.m_limitImpulse2) * this.m_u2.y;
-         bA.m_linearVelocity.x += bA.m_invMass * P1X;
-         bA.m_linearVelocity.y += bA.m_invMass * P1Y;
-         bA.m_angularVelocity += bA.m_invI * (r1X * P1Y - r1Y * P1X);
-         bB.m_linearVelocity.x += bB.m_invMass * P2X;
-         bB.m_linearVelocity.y += bB.m_invMass * P2Y;
-         bB.m_angularVelocity += bB.m_invI * (r2X * P2Y - r2Y * P2X);
-      }
-      else {
-         this.m_impulse = 0.0;
-         this.m_limitImpulse1 = 0.0;
-         this.m_limitImpulse2 = 0.0;
-      }
-   }
-   b2PulleyJoint.prototype.SolveVelocityConstraints = function (step) {
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      var tMat;
-      tMat = bA.m_xf.R;
-      var r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
-      var r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
-      var tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
-      r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
-      r1X = tX;
-      tMat = bB.m_xf.R;
-      var r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
-      var r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
-      tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
-      r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
-      r2X = tX;
-      var v1X = 0;
-      var v1Y = 0;
-      var v2X = 0;
-      var v2Y = 0;
-      var P1X = 0;
-      var P1Y = 0;
-      var P2X = 0;
-      var P2Y = 0;
-      var Cdot = 0;
-      var impulse = 0;
-      var oldImpulse = 0;
-      if (this.m_state == b2Joint.e_atUpperLimit) {
-         v1X = bA.m_linearVelocity.x + ((-bA.m_angularVelocity * r1Y));
-         v1Y = bA.m_linearVelocity.y + (bA.m_angularVelocity * r1X);
-         v2X = bB.m_linearVelocity.x + ((-bB.m_angularVelocity * r2Y));
-         v2Y = bB.m_linearVelocity.y + (bB.m_angularVelocity * r2X);
-         Cdot = (-(this.m_u1.x * v1X + this.m_u1.y * v1Y)) - this.m_ratio * (this.m_u2.x * v2X + this.m_u2.y * v2Y);
-         impulse = this.m_pulleyMass * ((-Cdot));
-         oldImpulse = this.m_impulse;
-         this.m_impulse = b2Math.Max(0.0, this.m_impulse + impulse);
-         impulse = this.m_impulse - oldImpulse;
-         P1X = (-impulse * this.m_u1.x);
-         P1Y = (-impulse * this.m_u1.y);
-         P2X = (-this.m_ratio * impulse * this.m_u2.x);
-         P2Y = (-this.m_ratio * impulse * this.m_u2.y);
-         bA.m_linearVelocity.x += bA.m_invMass * P1X;
-         bA.m_linearVelocity.y += bA.m_invMass * P1Y;
-         bA.m_angularVelocity += bA.m_invI * (r1X * P1Y - r1Y * P1X);
-         bB.m_linearVelocity.x += bB.m_invMass * P2X;
-         bB.m_linearVelocity.y += bB.m_invMass * P2Y;
-         bB.m_angularVelocity += bB.m_invI * (r2X * P2Y - r2Y * P2X);
-      }
-      if (this.m_limitState1 == b2Joint.e_atUpperLimit) {
-         v1X = bA.m_linearVelocity.x + ((-bA.m_angularVelocity * r1Y));
-         v1Y = bA.m_linearVelocity.y + (bA.m_angularVelocity * r1X);
-         Cdot = (-(this.m_u1.x * v1X + this.m_u1.y * v1Y));
-         impulse = (-this.m_limitMass1 * Cdot);
-         oldImpulse = this.m_limitImpulse1;
-         this.m_limitImpulse1 = b2Math.Max(0.0, this.m_limitImpulse1 + impulse);
-         impulse = this.m_limitImpulse1 - oldImpulse;
-         P1X = (-impulse * this.m_u1.x);
-         P1Y = (-impulse * this.m_u1.y);
-         bA.m_linearVelocity.x += bA.m_invMass * P1X;
-         bA.m_linearVelocity.y += bA.m_invMass * P1Y;
-         bA.m_angularVelocity += bA.m_invI * (r1X * P1Y - r1Y * P1X);
-      }
-      if (this.m_limitState2 == b2Joint.e_atUpperLimit) {
-         v2X = bB.m_linearVelocity.x + ((-bB.m_angularVelocity * r2Y));
-         v2Y = bB.m_linearVelocity.y + (bB.m_angularVelocity * r2X);
-         Cdot = (-(this.m_u2.x * v2X + this.m_u2.y * v2Y));
-         impulse = (-this.m_limitMass2 * Cdot);
-         oldImpulse = this.m_limitImpulse2;
-         this.m_limitImpulse2 = b2Math.Max(0.0, this.m_limitImpulse2 + impulse);
-         impulse = this.m_limitImpulse2 - oldImpulse;
-         P2X = (-impulse * this.m_u2.x);
-         P2Y = (-impulse * this.m_u2.y);
-         bB.m_linearVelocity.x += bB.m_invMass * P2X;
-         bB.m_linearVelocity.y += bB.m_invMass * P2Y;
-         bB.m_angularVelocity += bB.m_invI * (r2X * P2Y - r2Y * P2X);
-      }
-   }
-   b2PulleyJoint.prototype.SolvePositionConstraints = function (baumgarte) {
-      if (baumgarte === undefined) baumgarte = 0;
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      var tMat;
-      var s1X = this.m_ground.m_xf.position.x + this.m_groundAnchor1.x;
-      var s1Y = this.m_ground.m_xf.position.y + this.m_groundAnchor1.y;
-      var s2X = this.m_ground.m_xf.position.x + this.m_groundAnchor2.x;
-      var s2Y = this.m_ground.m_xf.position.y + this.m_groundAnchor2.y;
-      var r1X = 0;
-      var r1Y = 0;
-      var r2X = 0;
-      var r2Y = 0;
-      var p1X = 0;
-      var p1Y = 0;
-      var p2X = 0;
-      var p2Y = 0;
-      var length1 = 0;
-      var length2 = 0;
-      var C = 0;
-      var impulse = 0;
-      var oldImpulse = 0;
-      var oldLimitPositionImpulse = 0;
-      var tX = 0;
-      var linearError = 0.0;
-      if (this.m_state == b2Joint.e_atUpperLimit) {
-         tMat = bA.m_xf.R;
-         r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
-         r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
-         tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
-         r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
-         r1X = tX;
-         tMat = bB.m_xf.R;
-         r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
-         r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
-         tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
-         r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
-         r2X = tX;
-         p1X = bA.m_sweep.c.x + r1X;
-         p1Y = bA.m_sweep.c.y + r1Y;
-         p2X = bB.m_sweep.c.x + r2X;
-         p2Y = bB.m_sweep.c.y + r2Y;
-         this.m_u1.Set(p1X - s1X, p1Y - s1Y);
-         this.m_u2.Set(p2X - s2X, p2Y - s2Y);
-         length1 = this.m_u1.Length();
-         length2 = this.m_u2.Length();
-         if (length1 > b2Settings.b2_linearSlop) {
-            this.m_u1.Multiply(1.0 / length1);
-         }
-         else {
-            this.m_u1.SetZero();
-         }
-         if (length2 > b2Settings.b2_linearSlop) {
-            this.m_u2.Multiply(1.0 / length2);
-         }
-         else {
-            this.m_u2.SetZero();
-         }
-         C = this.m_constant - length1 - this.m_ratio * length2;
-         linearError = b2Math.Max(linearError, (-C));
-         C = b2Math.Clamp(C + b2Settings.b2_linearSlop, (-b2Settings.b2_maxLinearCorrection), 0.0);
-         impulse = (-this.m_pulleyMass * C);
-         p1X = (-impulse * this.m_u1.x);
-         p1Y = (-impulse * this.m_u1.y);
-         p2X = (-this.m_ratio * impulse * this.m_u2.x);
-         p2Y = (-this.m_ratio * impulse * this.m_u2.y);
-         bA.m_sweep.c.x += bA.m_invMass * p1X;
-         bA.m_sweep.c.y += bA.m_invMass * p1Y;
-         bA.m_sweep.a += bA.m_invI * (r1X * p1Y - r1Y * p1X);
-         bB.m_sweep.c.x += bB.m_invMass * p2X;
-         bB.m_sweep.c.y += bB.m_invMass * p2Y;
-         bB.m_sweep.a += bB.m_invI * (r2X * p2Y - r2Y * p2X);
-         bA.SynchronizeTransform();
-         bB.SynchronizeTransform();
-      }
-      if (this.m_limitState1 == b2Joint.e_atUpperLimit) {
-         tMat = bA.m_xf.R;
-         r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
-         r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
-         tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
-         r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
-         r1X = tX;
-         p1X = bA.m_sweep.c.x + r1X;
-         p1Y = bA.m_sweep.c.y + r1Y;
-         this.m_u1.Set(p1X - s1X, p1Y - s1Y);
-         length1 = this.m_u1.Length();
-         if (length1 > b2Settings.b2_linearSlop) {
-            this.m_u1.x *= 1.0 / length1;
-            this.m_u1.y *= 1.0 / length1;
-         }
-         else {
-            this.m_u1.SetZero();
-         }
-         C = this.m_maxLength1 - length1;
-         linearError = b2Math.Max(linearError, (-C));
-         C = b2Math.Clamp(C + b2Settings.b2_linearSlop, (-b2Settings.b2_maxLinearCorrection), 0.0);
-         impulse = (-this.m_limitMass1 * C);
-         p1X = (-impulse * this.m_u1.x);
-         p1Y = (-impulse * this.m_u1.y);
-         bA.m_sweep.c.x += bA.m_invMass * p1X;
-         bA.m_sweep.c.y += bA.m_invMass * p1Y;
-         bA.m_sweep.a += bA.m_invI * (r1X * p1Y - r1Y * p1X);
-         bA.SynchronizeTransform();
-      }
-      if (this.m_limitState2 == b2Joint.e_atUpperLimit) {
-         tMat = bB.m_xf.R;
-         r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
-         r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
-         tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
-         r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
-         r2X = tX;
-         p2X = bB.m_sweep.c.x + r2X;
-         p2Y = bB.m_sweep.c.y + r2Y;
-         this.m_u2.Set(p2X - s2X, p2Y - s2Y);
-         length2 = this.m_u2.Length();
-         if (length2 > b2Settings.b2_linearSlop) {
-            this.m_u2.x *= 1.0 / length2;
-            this.m_u2.y *= 1.0 / length2;
-         }
-         else {
-            this.m_u2.SetZero();
-         }
-         C = this.m_maxLength2 - length2;
-         linearError = b2Math.Max(linearError, (-C));
-         C = b2Math.Clamp(C + b2Settings.b2_linearSlop, (-b2Settings.b2_maxLinearCorrection), 0.0);
-         impulse = (-this.m_limitMass2 * C);
-         p2X = (-impulse * this.m_u2.x);
-         p2Y = (-impulse * this.m_u2.y);
-         bB.m_sweep.c.x += bB.m_invMass * p2X;
-         bB.m_sweep.c.y += bB.m_invMass * p2Y;
-         bB.m_sweep.a += bB.m_invI * (r2X * p2Y - r2Y * p2X);
-         bB.SynchronizeTransform();
-      }
-      return linearError < b2Settings.b2_linearSlop;
-   }
-   Box2D.postDefs.push(function () {
-      Box2D.Dynamics.Joints.b2PulleyJoint.b2_minPulleyLength = 2.0;
-   });
-   Box2D.inherit(b2PulleyJointDef, Box2D.Dynamics.Joints.b2JointDef);
-   b2PulleyJointDef.prototype.__super = Box2D.Dynamics.Joints.b2JointDef.prototype;
-   b2PulleyJointDef.b2PulleyJointDef = function () {
-      Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this, arguments);
-      this.groundAnchorA = new b2Vec2();
-      this.groundAnchorB = new b2Vec2();
-      this.localAnchorA = new b2Vec2();
-      this.localAnchorB = new b2Vec2();
-   };
-   b2PulleyJointDef.prototype.b2PulleyJointDef = function () {
-      this.__super.b2JointDef.call(this);
-      this.type = b2Joint.e_pulleyJoint;
-      this.groundAnchorA.Set((-1.0), 1.0);
-      this.groundAnchorB.Set(1.0, 1.0);
-      this.localAnchorA.Set((-1.0), 0.0);
-      this.localAnchorB.Set(1.0, 0.0);
-      this.lengthA = 0.0;
-      this.maxLengthA = 0.0;
-      this.lengthB = 0.0;
-      this.maxLengthB = 0.0;
-      this.ratio = 1.0;
-      this.collideConnected = true;
-   }
-   b2PulleyJointDef.prototype.Initialize = function (bA, bB, gaA, gaB, anchorA, anchorB, r) {
-      if (r === undefined) r = 0;
-      this.bodyA = bA;
-      this.bodyB = bB;
-      this.groundAnchorA.SetV(gaA);
-      this.groundAnchorB.SetV(gaB);
-      this.localAnchorA = this.bodyA.GetLocalPoint(anchorA);
-      this.localAnchorB = this.bodyB.GetLocalPoint(anchorB);
-      var d1X = anchorA.x - gaA.x;
-      var d1Y = anchorA.y - gaA.y;
-      this.lengthA = Math.sqrt(d1X * d1X + d1Y * d1Y);
-      var d2X = anchorB.x - gaB.x;
-      var d2Y = anchorB.y - gaB.y;
-      this.lengthB = Math.sqrt(d2X * d2X + d2Y * d2Y);
-      this.ratio = r;
-      var C = this.lengthA + this.ratio * this.lengthB;
-      this.maxLengthA = C - this.ratio * b2PulleyJoint.b2_minPulleyLength;
-      this.maxLengthB = (C - b2PulleyJoint.b2_minPulleyLength) / this.ratio;
-   }
-   Box2D.inherit(b2RevoluteJoint, Box2D.Dynamics.Joints.b2Joint);
-   b2RevoluteJoint.prototype.__super = Box2D.Dynamics.Joints.b2Joint.prototype;
-   b2RevoluteJoint.b2RevoluteJoint = function () {
-      Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this, arguments);
-      this.K = new b2Mat22();
-      this.K1 = new b2Mat22();
-      this.K2 = new b2Mat22();
-      this.K3 = new b2Mat22();
-      this.impulse3 = new b2Vec3();
-      this.impulse2 = new b2Vec2();
-      this.reduced = new b2Vec2();
-      this.m_localAnchor1 = new b2Vec2();
-      this.m_localAnchor2 = new b2Vec2();
-      this.m_impulse = new b2Vec3();
-      this.m_mass = new b2Mat33();
-   };
-   b2RevoluteJoint.prototype.GetAnchorA = function () {
-      return this.m_bodyA.GetWorldPoint(this.m_localAnchor1);
-   }
-   b2RevoluteJoint.prototype.GetAnchorB = function () {
-      return this.m_bodyB.GetWorldPoint(this.m_localAnchor2);
-   }
-   b2RevoluteJoint.prototype.GetReactionForce = function (inv_dt) {
-      if (inv_dt === undefined) inv_dt = 0;
-      return new b2Vec2(inv_dt * this.m_impulse.x, inv_dt * this.m_impulse.y);
-   }
-   b2RevoluteJoint.prototype.GetReactionTorque = function (inv_dt) {
-      if (inv_dt === undefined) inv_dt = 0;
-      return inv_dt * this.m_impulse.z;
-   }
-   b2RevoluteJoint.prototype.GetJointAngle = function () {
-      return this.m_bodyB.m_sweep.a - this.m_bodyA.m_sweep.a - this.m_referenceAngle;
-   }
-   b2RevoluteJoint.prototype.GetJointSpeed = function () {
-      return this.m_bodyB.m_angularVelocity - this.m_bodyA.m_angularVelocity;
-   }
-   b2RevoluteJoint.prototype.IsLimitEnabled = function () {
-      return this.m_enableLimit;
-   }
-   b2RevoluteJoint.prototype.EnableLimit = function (flag) {
-      this.m_enableLimit = flag;
-   }
-   b2RevoluteJoint.prototype.GetLowerLimit = function () {
-      return this.m_lowerAngle;
-   }
-   b2RevoluteJoint.prototype.GetUpperLimit = function () {
-      return this.m_upperAngle;
-   }
-   b2RevoluteJoint.prototype.SetLimits = function (lower, upper) {
-      if (lower === undefined) lower = 0;
-      if (upper === undefined) upper = 0;
-      this.m_lowerAngle = lower;
-      this.m_upperAngle = upper;
-   }
-   b2RevoluteJoint.prototype.IsMotorEnabled = function () {
-      this.m_bodyA.SetAwake(true);
-      this.m_bodyB.SetAwake(true);
-      return this.m_enableMotor;
-   }
-   b2RevoluteJoint.prototype.EnableMotor = function (flag) {
-      this.m_enableMotor = flag;
-   }
-   b2RevoluteJoint.prototype.SetMotorSpeed = function (speed) {
-      if (speed === undefined) speed = 0;
-      this.m_bodyA.SetAwake(true);
-      this.m_bodyB.SetAwake(true);
-      this.m_motorSpeed = speed;
-   }
-   b2RevoluteJoint.prototype.GetMotorSpeed = function () {
-      return this.m_motorSpeed;
-   }
-   b2RevoluteJoint.prototype.SetMaxMotorTorque = function (torque) {
-      if (torque === undefined) torque = 0;
-      this.m_maxMotorTorque = torque;
-   }
-   b2RevoluteJoint.prototype.GetMotorTorque = function () {
-      return this.m_maxMotorTorque;
-   }
-   b2RevoluteJoint.prototype.b2RevoluteJoint = function (def) {
-      this.__super.b2Joint.call(this, def);
-      this.m_localAnchor1.SetV(def.localAnchorA);
-      this.m_localAnchor2.SetV(def.localAnchorB);
-      this.m_referenceAngle = def.referenceAngle;
-      this.m_impulse.SetZero();
-      this.m_motorImpulse = 0.0;
-      this.m_lowerAngle = def.lowerAngle;
-      this.m_upperAngle = def.upperAngle;
-      this.m_maxMotorTorque = def.maxMotorTorque;
-      this.m_motorSpeed = def.motorSpeed;
-      this.m_enableLimit = def.enableLimit;
-      this.m_enableMotor = def.enableMotor;
-      this.m_limitState = b2Joint.e_inactiveLimit;
-   }
-   b2RevoluteJoint.prototype.InitVelocityConstraints = function (step) {
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      var tMat;
-      var tX = 0;
-      if (this.m_enableMotor || this.m_enableLimit) {}
-      tMat = bA.m_xf.R;
-      var r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
-      var r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
-      tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
-      r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
-      r1X = tX;
-      tMat = bB.m_xf.R;
-      var r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
-      var r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
-      tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
-      r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
-      r2X = tX;
-      var m1 = bA.m_invMass;
-      var m2 = bB.m_invMass;
-      var i1 = bA.m_invI;
-      var i2 = bB.m_invI;
-      this.m_mass.col1.x = m1 + m2 + r1Y * r1Y * i1 + r2Y * r2Y * i2;
-      this.m_mass.col2.x = (-r1Y * r1X * i1) - r2Y * r2X * i2;
-      this.m_mass.col3.x = (-r1Y * i1) - r2Y * i2;
-      this.m_mass.col1.y = this.m_mass.col2.x;
-      this.m_mass.col2.y = m1 + m2 + r1X * r1X * i1 + r2X * r2X * i2;
-      this.m_mass.col3.y = r1X * i1 + r2X * i2;
-      this.m_mass.col1.z = this.m_mass.col3.x;
-      this.m_mass.col2.z = this.m_mass.col3.y;
-      this.m_mass.col3.z = i1 + i2;
-      this.m_motorMass = 1.0 / (i1 + i2);
-      if (this.m_enableMotor == false) {
-         this.m_motorImpulse = 0.0;
-      }
-      if (this.m_enableLimit) {
-         var jointAngle = bB.m_sweep.a - bA.m_sweep.a - this.m_referenceAngle;
-         if (b2Math.Abs(this.m_upperAngle - this.m_lowerAngle) < 2.0 * b2Settings.b2_angularSlop) {
-            this.m_limitState = b2Joint.e_equalLimits;
-         }
-         else if (jointAngle <= this.m_lowerAngle) {
-            if (this.m_limitState != b2Joint.e_atLowerLimit) {
-               this.m_impulse.z = 0.0;
-            }
-            this.m_limitState = b2Joint.e_atLowerLimit;
-         }
-         else if (jointAngle >= this.m_upperAngle) {
-            if (this.m_limitState != b2Joint.e_atUpperLimit) {
-               this.m_impulse.z = 0.0;
-            }
-            this.m_limitState = b2Joint.e_atUpperLimit;
-         }
-         else {
-            this.m_limitState = b2Joint.e_inactiveLimit;
-            this.m_impulse.z = 0.0;
-         }
-      }
-      else {
-         this.m_limitState = b2Joint.e_inactiveLimit;
-      }
-      if (step.warmStarting) {
-         this.m_impulse.x *= step.dtRatio;
-         this.m_impulse.y *= step.dtRatio;
-         this.m_motorImpulse *= step.dtRatio;
-         var PX = this.m_impulse.x;
-         var PY = this.m_impulse.y;
-         bA.m_linearVelocity.x -= m1 * PX;
-         bA.m_linearVelocity.y -= m1 * PY;
-         bA.m_angularVelocity -= i1 * ((r1X * PY - r1Y * PX) + this.m_motorImpulse + this.m_impulse.z);
-         bB.m_linearVelocity.x += m2 * PX;
-         bB.m_linearVelocity.y += m2 * PY;
-         bB.m_angularVelocity += i2 * ((r2X * PY - r2Y * PX) + this.m_motorImpulse + this.m_impulse.z);
-      }
-      else {
-         this.m_impulse.SetZero();
-         this.m_motorImpulse = 0.0;
-      }
-   }
-   b2RevoluteJoint.prototype.SolveVelocityConstraints = function (step) {
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      var tMat;
-      var tX = 0;
-      var newImpulse = 0;
-      var r1X = 0;
-      var r1Y = 0;
-      var r2X = 0;
-      var r2Y = 0;
-      var v1 = bA.m_linearVelocity;
-      var w1 = bA.m_angularVelocity;
-      var v2 = bB.m_linearVelocity;
-      var w2 = bB.m_angularVelocity;
-      var m1 = bA.m_invMass;
-      var m2 = bB.m_invMass;
-      var i1 = bA.m_invI;
-      var i2 = bB.m_invI;
-      if (this.m_enableMotor && this.m_limitState != b2Joint.e_equalLimits) {
-         var Cdot = w2 - w1 - this.m_motorSpeed;
-         var impulse = this.m_motorMass * ((-Cdot));
-         var oldImpulse = this.m_motorImpulse;
-         var maxImpulse = step.dt * this.m_maxMotorTorque;
-         this.m_motorImpulse = b2Math.Clamp(this.m_motorImpulse + impulse, (-maxImpulse), maxImpulse);
-         impulse = this.m_motorImpulse - oldImpulse;
-         w1 -= i1 * impulse;
-         w2 += i2 * impulse;
-      }
-      if (this.m_enableLimit && this.m_limitState != b2Joint.e_inactiveLimit) {
-         tMat = bA.m_xf.R;
-         r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
-         r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
-         tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
-         r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
-         r1X = tX;
-         tMat = bB.m_xf.R;
-         r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
-         r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
-         tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
-         r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
-         r2X = tX;
-         var Cdot1X = v2.x + ((-w2 * r2Y)) - v1.x - ((-w1 * r1Y));
-         var Cdot1Y = v2.y + (w2 * r2X) - v1.y - (w1 * r1X);
-         var Cdot2 = w2 - w1;
-         this.m_mass.Solve33(this.impulse3, (-Cdot1X), (-Cdot1Y), (-Cdot2));
-         if (this.m_limitState == b2Joint.e_equalLimits) {
-            this.m_impulse.Add(this.impulse3);
-         }
-         else if (this.m_limitState == b2Joint.e_atLowerLimit) {
-            newImpulse = this.m_impulse.z + this.impulse3.z;
-            if (newImpulse < 0.0) {
-               this.m_mass.Solve22(this.reduced, (-Cdot1X), (-Cdot1Y));
-               this.impulse3.x = this.reduced.x;
-               this.impulse3.y = this.reduced.y;
-               this.impulse3.z = (-this.m_impulse.z);
-               this.m_impulse.x += this.reduced.x;
-               this.m_impulse.y += this.reduced.y;
-               this.m_impulse.z = 0.0;
-            }
-         }
-         else if (this.m_limitState == b2Joint.e_atUpperLimit) {
-            newImpulse = this.m_impulse.z + this.impulse3.z;
-            if (newImpulse > 0.0) {
-               this.m_mass.Solve22(this.reduced, (-Cdot1X), (-Cdot1Y));
-               this.impulse3.x = this.reduced.x;
-               this.impulse3.y = this.reduced.y;
-               this.impulse3.z = (-this.m_impulse.z);
-               this.m_impulse.x += this.reduced.x;
-               this.m_impulse.y += this.reduced.y;
-               this.m_impulse.z = 0.0;
-            }
-         }
-         v1.x -= m1 * this.impulse3.x;
-         v1.y -= m1 * this.impulse3.y;
-         w1 -= i1 * (r1X * this.impulse3.y - r1Y * this.impulse3.x + this.impulse3.z);
-         v2.x += m2 * this.impulse3.x;
-         v2.y += m2 * this.impulse3.y;
-         w2 += i2 * (r2X * this.impulse3.y - r2Y * this.impulse3.x + this.impulse3.z);
-      }
-      else {
-         tMat = bA.m_xf.R;
-         r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
-         r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
-         tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
-         r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
-         r1X = tX;
-         tMat = bB.m_xf.R;
-         r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
-         r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
-         tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
-         r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
-         r2X = tX;
-         var CdotX = v2.x + ((-w2 * r2Y)) - v1.x - ((-w1 * r1Y));
-         var CdotY = v2.y + (w2 * r2X) - v1.y - (w1 * r1X);
-         this.m_mass.Solve22(this.impulse2, (-CdotX), (-CdotY));
-         this.m_impulse.x += this.impulse2.x;
-         this.m_impulse.y += this.impulse2.y;
-         v1.x -= m1 * this.impulse2.x;
-         v1.y -= m1 * this.impulse2.y;
-         w1 -= i1 * (r1X * this.impulse2.y - r1Y * this.impulse2.x);
-         v2.x += m2 * this.impulse2.x;
-         v2.y += m2 * this.impulse2.y;
-         w2 += i2 * (r2X * this.impulse2.y - r2Y * this.impulse2.x);
-      }
-      bA.m_linearVelocity.SetV(v1);
-      bA.m_angularVelocity = w1;
-      bB.m_linearVelocity.SetV(v2);
-      bB.m_angularVelocity = w2;
-   }
-   b2RevoluteJoint.prototype.SolvePositionConstraints = function (baumgarte) {
-      if (baumgarte === undefined) baumgarte = 0;
-      var oldLimitImpulse = 0;
-      var C = 0;
-      var tMat;
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      var angularError = 0.0;
-      var positionError = 0.0;
-      var tX = 0;
-      var impulseX = 0;
-      var impulseY = 0;
-      if (this.m_enableLimit && this.m_limitState != b2Joint.e_inactiveLimit) {
-         var angle = bB.m_sweep.a - bA.m_sweep.a - this.m_referenceAngle;
-         var limitImpulse = 0.0;
-         if (this.m_limitState == b2Joint.e_equalLimits) {
-            C = b2Math.Clamp(angle - this.m_lowerAngle, (-b2Settings.b2_maxAngularCorrection), b2Settings.b2_maxAngularCorrection);
-            limitImpulse = (-this.m_motorMass * C);
-            angularError = b2Math.Abs(C);
-         }
-         else if (this.m_limitState == b2Joint.e_atLowerLimit) {
-            C = angle - this.m_lowerAngle;
-            angularError = (-C);
-            C = b2Math.Clamp(C + b2Settings.b2_angularSlop, (-b2Settings.b2_maxAngularCorrection), 0.0);
-            limitImpulse = (-this.m_motorMass * C);
-         }
-         else if (this.m_limitState == b2Joint.e_atUpperLimit) {
-            C = angle - this.m_upperAngle;
-            angularError = C;
-            C = b2Math.Clamp(C - b2Settings.b2_angularSlop, 0.0, b2Settings.b2_maxAngularCorrection);
-            limitImpulse = (-this.m_motorMass * C);
-         }
-         bA.m_sweep.a -= bA.m_invI * limitImpulse;
-         bB.m_sweep.a += bB.m_invI * limitImpulse;
-         bA.SynchronizeTransform();
-         bB.SynchronizeTransform();
-      } {
-         tMat = bA.m_xf.R;
-         var r1X = this.m_localAnchor1.x - bA.m_sweep.localCenter.x;
-         var r1Y = this.m_localAnchor1.y - bA.m_sweep.localCenter.y;
-         tX = (tMat.col1.x * r1X + tMat.col2.x * r1Y);
-         r1Y = (tMat.col1.y * r1X + tMat.col2.y * r1Y);
-         r1X = tX;
-         tMat = bB.m_xf.R;
-         var r2X = this.m_localAnchor2.x - bB.m_sweep.localCenter.x;
-         var r2Y = this.m_localAnchor2.y - bB.m_sweep.localCenter.y;
-         tX = (tMat.col1.x * r2X + tMat.col2.x * r2Y);
-         r2Y = (tMat.col1.y * r2X + tMat.col2.y * r2Y);
-         r2X = tX;
-         var CX = bB.m_sweep.c.x + r2X - bA.m_sweep.c.x - r1X;
-         var CY = bB.m_sweep.c.y + r2Y - bA.m_sweep.c.y - r1Y;
-         var CLengthSquared = CX * CX + CY * CY;
-         var CLength = Math.sqrt(CLengthSquared);
-         positionError = CLength;
-         var invMass1 = bA.m_invMass;
-         var invMass2 = bB.m_invMass;
-         var invI1 = bA.m_invI;
-         var invI2 = bB.m_invI;
-         var k_allowedStretch = 10.0 * b2Settings.b2_linearSlop;
-         if (CLengthSquared > k_allowedStretch * k_allowedStretch) {
-            var uX = CX / CLength;
-            var uY = CY / CLength;
-            var k = invMass1 + invMass2;
-            var m = 1.0 / k;
-            impulseX = m * ((-CX));
-            impulseY = m * ((-CY));
-            var k_beta = 0.5;
-            bA.m_sweep.c.x -= k_beta * invMass1 * impulseX;
-            bA.m_sweep.c.y -= k_beta * invMass1 * impulseY;
-            bB.m_sweep.c.x += k_beta * invMass2 * impulseX;
-            bB.m_sweep.c.y += k_beta * invMass2 * impulseY;
-            CX = bB.m_sweep.c.x + r2X - bA.m_sweep.c.x - r1X;
-            CY = bB.m_sweep.c.y + r2Y - bA.m_sweep.c.y - r1Y;
-         }
-         this.K1.col1.x = invMass1 + invMass2;
-         this.K1.col2.x = 0.0;
-         this.K1.col1.y = 0.0;
-         this.K1.col2.y = invMass1 + invMass2;
-         this.K2.col1.x = invI1 * r1Y * r1Y;
-         this.K2.col2.x = (-invI1 * r1X * r1Y);
-         this.K2.col1.y = (-invI1 * r1X * r1Y);
-         this.K2.col2.y = invI1 * r1X * r1X;
-         this.K3.col1.x = invI2 * r2Y * r2Y;
-         this.K3.col2.x = (-invI2 * r2X * r2Y);
-         this.K3.col1.y = (-invI2 * r2X * r2Y);
-         this.K3.col2.y = invI2 * r2X * r2X;
-         this.K.SetM(this.K1);
-         this.K.AddM(this.K2);
-         this.K.AddM(this.K3);
-         this.K.Solve(b2RevoluteJoint.tImpulse, (-CX), (-CY));
-         impulseX = b2RevoluteJoint.tImpulse.x;
-         impulseY = b2RevoluteJoint.tImpulse.y;
-         bA.m_sweep.c.x -= bA.m_invMass * impulseX;
-         bA.m_sweep.c.y -= bA.m_invMass * impulseY;
-         bA.m_sweep.a -= bA.m_invI * (r1X * impulseY - r1Y * impulseX);
-         bB.m_sweep.c.x += bB.m_invMass * impulseX;
-         bB.m_sweep.c.y += bB.m_invMass * impulseY;
-         bB.m_sweep.a += bB.m_invI * (r2X * impulseY - r2Y * impulseX);
-         bA.SynchronizeTransform();
-         bB.SynchronizeTransform();
-      }
-      return positionError <= b2Settings.b2_linearSlop && angularError <= b2Settings.b2_angularSlop;
-   }
-   Box2D.postDefs.push(function () {
-      Box2D.Dynamics.Joints.b2RevoluteJoint.tImpulse = new b2Vec2();
-   });
-   Box2D.inherit(b2RevoluteJointDef, Box2D.Dynamics.Joints.b2JointDef);
-   b2RevoluteJointDef.prototype.__super = Box2D.Dynamics.Joints.b2JointDef.prototype;
-   b2RevoluteJointDef.b2RevoluteJointDef = function () {
-      Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this, arguments);
-      this.localAnchorA = new b2Vec2();
-      this.localAnchorB = new b2Vec2();
-   };
-   b2RevoluteJointDef.prototype.b2RevoluteJointDef = function () {
-      this.__super.b2JointDef.call(this);
-      this.type = b2Joint.e_revoluteJoint;
-      this.localAnchorA.Set(0.0, 0.0);
-      this.localAnchorB.Set(0.0, 0.0);
-      this.referenceAngle = 0.0;
-      this.lowerAngle = 0.0;
-      this.upperAngle = 0.0;
-      this.maxMotorTorque = 0.0;
-      this.motorSpeed = 0.0;
-      this.enableLimit = false;
-      this.enableMotor = false;
-   }
-   b2RevoluteJointDef.prototype.Initialize = function (bA, bB, anchor) {
-      this.bodyA = bA;
-      this.bodyB = bB;
-      this.localAnchorA = this.bodyA.GetLocalPoint(anchor);
-      this.localAnchorB = this.bodyB.GetLocalPoint(anchor);
-      this.referenceAngle = this.bodyB.GetAngle() - this.bodyA.GetAngle();
-   }
-   Box2D.inherit(b2WeldJoint, Box2D.Dynamics.Joints.b2Joint);
-   b2WeldJoint.prototype.__super = Box2D.Dynamics.Joints.b2Joint.prototype;
-   b2WeldJoint.b2WeldJoint = function () {
-      Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this, arguments);
-      this.m_localAnchorA = new b2Vec2();
-      this.m_localAnchorB = new b2Vec2();
-      this.m_impulse = new b2Vec3();
-      this.m_mass = new b2Mat33();
-   };
-   b2WeldJoint.prototype.GetAnchorA = function () {
-      return this.m_bodyA.GetWorldPoint(this.m_localAnchorA);
-   }
-   b2WeldJoint.prototype.GetAnchorB = function () {
-      return this.m_bodyB.GetWorldPoint(this.m_localAnchorB);
-   }
-   b2WeldJoint.prototype.GetReactionForce = function (inv_dt) {
-      if (inv_dt === undefined) inv_dt = 0;
-      return new b2Vec2(inv_dt * this.m_impulse.x, inv_dt * this.m_impulse.y);
-   }
-   b2WeldJoint.prototype.GetReactionTorque = function (inv_dt) {
-      if (inv_dt === undefined) inv_dt = 0;
-      return inv_dt * this.m_impulse.z;
-   }
-   b2WeldJoint.prototype.b2WeldJoint = function (def) {
-      this.__super.b2Joint.call(this, def);
-      this.m_localAnchorA.SetV(def.localAnchorA);
-      this.m_localAnchorB.SetV(def.localAnchorB);
-      this.m_referenceAngle = def.referenceAngle;
-      this.m_impulse.SetZero();
-      this.m_mass = new b2Mat33();
-   }
-   b2WeldJoint.prototype.InitVelocityConstraints = function (step) {
-      var tMat;
-      var tX = 0;
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      tMat = bA.m_xf.R;
-      var rAX = this.m_localAnchorA.x - bA.m_sweep.localCenter.x;
-      var rAY = this.m_localAnchorA.y - bA.m_sweep.localCenter.y;
-      tX = (tMat.col1.x * rAX + tMat.col2.x * rAY);
-      rAY = (tMat.col1.y * rAX + tMat.col2.y * rAY);
-      rAX = tX;
-      tMat = bB.m_xf.R;
-      var rBX = this.m_localAnchorB.x - bB.m_sweep.localCenter.x;
-      var rBY = this.m_localAnchorB.y - bB.m_sweep.localCenter.y;
-      tX = (tMat.col1.x * rBX + tMat.col2.x * rBY);
-      rBY = (tMat.col1.y * rBX + tMat.col2.y * rBY);
-      rBX = tX;
-      var mA = bA.m_invMass;
-      var mB = bB.m_invMass;
-      var iA = bA.m_invI;
-      var iB = bB.m_invI;
-      this.m_mass.col1.x = mA + mB + rAY * rAY * iA + rBY * rBY * iB;
-      this.m_mass.col2.x = (-rAY * rAX * iA) - rBY * rBX * iB;
-      this.m_mass.col3.x = (-rAY * iA) - rBY * iB;
-      this.m_mass.col1.y = this.m_mass.col2.x;
-      this.m_mass.col2.y = mA + mB + rAX * rAX * iA + rBX * rBX * iB;
-      this.m_mass.col3.y = rAX * iA + rBX * iB;
-      this.m_mass.col1.z = this.m_mass.col3.x;
-      this.m_mass.col2.z = this.m_mass.col3.y;
-      this.m_mass.col3.z = iA + iB;
-      if (step.warmStarting) {
-         this.m_impulse.x *= step.dtRatio;
-         this.m_impulse.y *= step.dtRatio;
-         this.m_impulse.z *= step.dtRatio;
-         bA.m_linearVelocity.x -= mA * this.m_impulse.x;
-         bA.m_linearVelocity.y -= mA * this.m_impulse.y;
-         bA.m_angularVelocity -= iA * (rAX * this.m_impulse.y - rAY * this.m_impulse.x + this.m_impulse.z);
-         bB.m_linearVelocity.x += mB * this.m_impulse.x;
-         bB.m_linearVelocity.y += mB * this.m_impulse.y;
-         bB.m_angularVelocity += iB * (rBX * this.m_impulse.y - rBY * this.m_impulse.x + this.m_impulse.z);
-      }
-      else {
-         this.m_impulse.SetZero();
-      }
-   }
-   b2WeldJoint.prototype.SolveVelocityConstraints = function (step) {
-      var tMat;
-      var tX = 0;
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      var vA = bA.m_linearVelocity;
-      var wA = bA.m_angularVelocity;
-      var vB = bB.m_linearVelocity;
-      var wB = bB.m_angularVelocity;
-      var mA = bA.m_invMass;
-      var mB = bB.m_invMass;
-      var iA = bA.m_invI;
-      var iB = bB.m_invI;
-      tMat = bA.m_xf.R;
-      var rAX = this.m_localAnchorA.x - bA.m_sweep.localCenter.x;
-      var rAY = this.m_localAnchorA.y - bA.m_sweep.localCenter.y;
-      tX = (tMat.col1.x * rAX + tMat.col2.x * rAY);
-      rAY = (tMat.col1.y * rAX + tMat.col2.y * rAY);
-      rAX = tX;
-      tMat = bB.m_xf.R;
-      var rBX = this.m_localAnchorB.x - bB.m_sweep.localCenter.x;
-      var rBY = this.m_localAnchorB.y - bB.m_sweep.localCenter.y;
-      tX = (tMat.col1.x * rBX + tMat.col2.x * rBY);
-      rBY = (tMat.col1.y * rBX + tMat.col2.y * rBY);
-      rBX = tX;
-      var Cdot1X = vB.x - wB * rBY - vA.x + wA * rAY;
-      var Cdot1Y = vB.y + wB * rBX - vA.y - wA * rAX;
-      var Cdot2 = wB - wA;
-      var impulse = new b2Vec3();
-      this.m_mass.Solve33(impulse, (-Cdot1X), (-Cdot1Y), (-Cdot2));
-      this.m_impulse.Add(impulse);
-      vA.x -= mA * impulse.x;
-      vA.y -= mA * impulse.y;
-      wA -= iA * (rAX * impulse.y - rAY * impulse.x + impulse.z);
-      vB.x += mB * impulse.x;
-      vB.y += mB * impulse.y;
-      wB += iB * (rBX * impulse.y - rBY * impulse.x + impulse.z);
-      bA.m_angularVelocity = wA;
-      bB.m_angularVelocity = wB;
-   }
-   b2WeldJoint.prototype.SolvePositionConstraints = function (baumgarte) {
-      if (baumgarte === undefined) baumgarte = 0;
-      var tMat;
-      var tX = 0;
-      var bA = this.m_bodyA;
-      var bB = this.m_bodyB;
-      tMat = bA.m_xf.R;
-      var rAX = this.m_localAnchorA.x - bA.m_sweep.localCenter.x;
-      var rAY = this.m_localAnchorA.y - bA.m_sweep.localCenter.y;
-      tX = (tMat.col1.x * rAX + tMat.col2.x * rAY);
-      rAY = (tMat.col1.y * rAX + tMat.col2.y * rAY);
-      rAX = tX;
-      tMat = bB.m_xf.R;
-      var rBX = this.m_localAnchorB.x - bB.m_sweep.localCenter.x;
-      var rBY = this.m_localAnchorB.y - bB.m_sweep.localCenter.y;
-      tX = (tMat.col1.x * rBX + tMat.col2.x * rBY);
-      rBY = (tMat.col1.y * rBX + tMat.col2.y * rBY);
-      rBX = tX;
-      var mA = bA.m_invMass;
-      var mB = bB.m_invMass;
-      var iA = bA.m_invI;
-      var iB = bB.m_invI;
-      var C1X = bB.m_sweep.c.x + rBX - bA.m_sweep.c.x - rAX;
-      var C1Y = bB.m_sweep.c.y + rBY - bA.m_sweep.c.y - rAY;
-      var C2 = bB.m_sweep.a - bA.m_sweep.a - this.m_referenceAngle;
-      var k_allowedStretch = 10.0 * b2Settings.b2_linearSlop;
-      var positionError = Math.sqrt(C1X * C1X + C1Y * C1Y);
-      var angularError = b2Math.Abs(C2);
-      if (positionError > k_allowedStretch) {
-         iA *= 1.0;
-         iB *= 1.0;
-      }
-      this.m_mass.col1.x = mA + mB + rAY * rAY * iA + rBY * rBY * iB;
-      this.m_mass.col2.x = (-rAY * rAX * iA) - rBY * rBX * iB;
-      this.m_mass.col3.x = (-rAY * iA) - rBY * iB;
-      this.m_mass.col1.y = this.m_mass.col2.x;
-      this.m_mass.col2.y = mA + mB + rAX * rAX * iA + rBX * rBX * iB;
-      this.m_mass.col3.y = rAX * iA + rBX * iB;
-      this.m_mass.col1.z = this.m_mass.col3.x;
-      this.m_mass.col2.z = this.m_mass.col3.y;
-      this.m_mass.col3.z = iA + iB;
-      var impulse = new b2Vec3();
-      this.m_mass.Solve33(impulse, (-C1X), (-C1Y), (-C2));
-      bA.m_sweep.c.x -= mA * impulse.x;
-      bA.m_sweep.c.y -= mA * impulse.y;
-      bA.m_sweep.a -= iA * (rAX * impulse.y - rAY * impulse.x + impulse.z);
-      bB.m_sweep.c.x += mB * impulse.x;
-      bB.m_sweep.c.y += mB * impulse.y;
-      bB.m_sweep.a += iB * (rBX * impulse.y - rBY * impulse.x + impulse.z);
-      bA.SynchronizeTransform();
-      bB.SynchronizeTransform();
-      return positionError <= b2Settings.b2_linearSlop && angularError <= b2Settings.b2_angularSlop;
-   }
-   Box2D.inherit(b2WeldJointDef, Box2D.Dynamics.Joints.b2JointDef);
-   b2WeldJointDef.prototype.__super = Box2D.Dynamics.Joints.b2JointDef.prototype;
-   b2WeldJointDef.b2WeldJointDef = function () {
-      Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this, arguments);
-      this.localAnchorA = new b2Vec2();
-      this.localAnchorB = new b2Vec2();
-   };
-   b2WeldJointDef.prototype.b2WeldJointDef = function () {
-      this.__super.b2JointDef.call(this);
-      this.type = b2Joint.e_weldJoint;
-      this.referenceAngle = 0.0;
-   }
-   b2WeldJointDef.prototype.Initialize = function (bA, bB, anchor) {
-      this.bodyA = bA;
-      this.bodyB = bB;
-      this.localAnchorA.SetV(this.bodyA.GetLocalPoint(anchor));
-      this.localAnchorB.SetV(this.bodyB.GetLocalPoint(anchor));
-      this.referenceAngle = this.bodyB.GetAngle() - this.bodyA.GetAngle();
-   }
-})();
-(function () {
-   var b2DebugDraw = Box2D.Dynamics.b2DebugDraw;
-   b2DebugDraw.b2DebugDraw = function () {
-      this.m_drawScale = 1.0;
-      this.m_lineThickness = 1.0;
-      this.m_alpha = 1.0;
-      this.m_fillAlpha = 1.0;
-      this.m_xformScale = 1.0;
-      var __this = this;
-      //#WORKAROUND
-      this.m_sprite = {
-         graphics: {
-            clear: function () {
-               __this.m_ctx.clearRect(0, 0, __this.m_ctx.canvas.width, __this.m_ctx.canvas.height)
-            }
-         }
-      };
-   };
-   b2DebugDraw.prototype._color = function (color, alpha) {
-      return "rgba(" + ((color & 0xFF0000) >> 16) + "," + ((color & 0xFF00) >> 8) + "," + (color & 0xFF) + "," + alpha + ")";
-   };
-   b2DebugDraw.prototype.b2DebugDraw = function () {
-      this.m_drawFlags = 0;
-   };
-   b2DebugDraw.prototype.SetFlags = function (flags) {
-      if (flags === undefined) flags = 0;
-      this.m_drawFlags = flags;
-   };
-   b2DebugDraw.prototype.GetFlags = function () {
-      return this.m_drawFlags;
-   };
-   b2DebugDraw.prototype.AppendFlags = function (flags) {
-      if (flags === undefined) flags = 0;
-      this.m_drawFlags |= flags;
-   };
-   b2DebugDraw.prototype.ClearFlags = function (flags) {
-      if (flags === undefined) flags = 0;
-      this.m_drawFlags &= ~flags;
-   };
-   b2DebugDraw.prototype.SetSprite = function (sprite) {
-      this.m_ctx = sprite;
-   };
-   b2DebugDraw.prototype.GetSprite = function () {
-      return this.m_ctx;
-   };
-   b2DebugDraw.prototype.SetDrawScale = function (drawScale) {
-      if (drawScale === undefined) drawScale = 0;
-      this.m_drawScale = drawScale;
-   };
-   b2DebugDraw.prototype.GetDrawScale = function () {
-      return this.m_drawScale;
-   };
-   b2DebugDraw.prototype.SetLineThickness = function (lineThickness) {
-      if (lineThickness === undefined) lineThickness = 0;
-      this.m_lineThickness = lineThickness;
-      this.m_ctx.strokeWidth = lineThickness;
-   };
-   b2DebugDraw.prototype.GetLineThickness = function () {
-      return this.m_lineThickness;
-   };
-   b2DebugDraw.prototype.SetAlpha = function (alpha) {
-      if (alpha === undefined) alpha = 0;
-      this.m_alpha = alpha;
-   };
-   b2DebugDraw.prototype.GetAlpha = function () {
-      return this.m_alpha;
-   };
-   b2DebugDraw.prototype.SetFillAlpha = function (alpha) {
-      if (alpha === undefined) alpha = 0;
-      this.m_fillAlpha = alpha;
-   };
-   b2DebugDraw.prototype.GetFillAlpha = function () {
-      return this.m_fillAlpha;
-   };
-   b2DebugDraw.prototype.SetXFormScale = function (xformScale) {
-      if (xformScale === undefined) xformScale = 0;
-      this.m_xformScale = xformScale;
-   };
-   b2DebugDraw.prototype.GetXFormScale = function () {
-      return this.m_xformScale;
-   };
-   b2DebugDraw.prototype.DrawPolygon = function (vertices, vertexCount, color) {
-      if (!vertexCount) return;
-      var s = this.m_ctx;
-      var drawScale = this.m_drawScale;
-      s.beginPath();
-      s.strokeStyle = this._color(color.color, this.m_alpha);
-      s.moveTo(vertices[0].x * drawScale, vertices[0].y * drawScale);
-      for (var i = 1; i < vertexCount; i++) {
-         s.lineTo(vertices[i].x * drawScale, vertices[i].y * drawScale);
-      }
-      s.lineTo(vertices[0].x * drawScale, vertices[0].y * drawScale);
-      s.closePath();
-      s.stroke();
-   };
-   b2DebugDraw.prototype.DrawSolidPolygon = function (vertices, vertexCount, color) {
-      if (!vertexCount) return;
-      var s = this.m_ctx;
-      var drawScale = this.m_drawScale;
-      s.beginPath();
-      s.strokeStyle = this._color(color.color, this.m_alpha);
-      s.fillStyle = this._color(color.color, this.m_fillAlpha);
-      s.moveTo(vertices[0].x * drawScale, vertices[0].y * drawScale);
-      for (var i = 1; i < vertexCount; i++) {
-         s.lineTo(vertices[i].x * drawScale, vertices[i].y * drawScale);
-      }
-      s.lineTo(vertices[0].x * drawScale, vertices[0].y * drawScale);
-      s.closePath();
-      s.fill();
-      s.stroke();
-   };
-   b2DebugDraw.prototype.DrawCircle = function (center, radius, color) {
-      if (!radius) return;
-      var s = this.m_ctx;
-      var drawScale = this.m_drawScale;
-      s.beginPath();
-      s.strokeStyle = this._color(color.color, this.m_alpha);
-      s.arc(center.x * drawScale, center.y * drawScale, radius * drawScale, 0, Math.PI * 2, true);
-      s.closePath();
-      s.stroke();
-   };
-   b2DebugDraw.prototype.DrawSolidCircle = function (center, radius, axis, color) {
-      if (!radius) return;
-      var s = this.m_ctx,
-         drawScale = this.m_drawScale,
-         cx = center.x * drawScale,
-         cy = center.y * drawScale;
-      s.moveTo(0, 0);
-      s.beginPath();
-      s.strokeStyle = this._color(color.color, this.m_alpha);
-      s.fillStyle = this._color(color.color, this.m_fillAlpha);
-      s.arc(cx, cy, radius * drawScale, 0, Math.PI * 2, true);
-      s.moveTo(cx, cy);
-      s.lineTo((center.x + axis.x * radius) * drawScale, (center.y + axis.y * radius) * drawScale);
-      s.closePath();
-      s.fill();
-      s.stroke();
-   };
-   b2DebugDraw.prototype.DrawSegment = function (p1, p2, color) {
-      var s = this.m_ctx,
-         drawScale = this.m_drawScale;
-      s.strokeStyle = this._color(color.color, this.m_alpha);
-      s.beginPath();
-      s.moveTo(p1.x * drawScale, p1.y * drawScale);
-      s.lineTo(p2.x * drawScale, p2.y * drawScale);
-      s.closePath();
-      s.stroke();
-   };
-   b2DebugDraw.prototype.DrawTransform = function (xf) {
-      var s = this.m_ctx,
-         drawScale = this.m_drawScale;
-      s.beginPath();
-      s.strokeStyle = this._color(0xff0000, this.m_alpha);
-      s.moveTo(xf.position.x * drawScale, xf.position.y * drawScale);
-      s.lineTo((xf.position.x + this.m_xformScale * xf.R.col1.x) * drawScale, (xf.position.y + this.m_xformScale * xf.R.col1.y) * drawScale);
-
-      s.strokeStyle = this._color(0xff00, this.m_alpha);
-      s.moveTo(xf.position.x * drawScale, xf.position.y * drawScale);
-      s.lineTo((xf.position.x + this.m_xformScale * xf.R.col2.x) * drawScale, (xf.position.y + this.m_xformScale * xf.R.col2.y) * drawScale);
-      s.closePath();
-      s.stroke();
-   };
-})(); //post-definitions
-var i;
-for (i = 0; i < Box2D.postDefs.length; ++i) Box2D.postDefs[i]();
-delete Box2D.postDefs;
\ No newline at end of file
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/lib/Box2DWeb/Box2DWeb-2.1.a.3.min.js
--- a/integ/js/vs/lib/Box2DWeb/Box2DWeb-2.1.a.3.min.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,445 +0,0 @@
-var Box2D={};
-(function(F,G){function K(){}if(!(Object.prototype.defineProperty instanceof Function)&&Object.prototype.__defineGetter__ instanceof Function&&Object.prototype.__defineSetter__ instanceof Function)Object.defineProperty=function(y,w,A){A.get instanceof Function&&y.__defineGetter__(w,A.get);A.set instanceof Function&&y.__defineSetter__(w,A.set)};F.inherit=function(y,w){K.prototype=w.prototype;y.prototype=new K;y.prototype.constructor=y};F.generateCallback=function(y,w){return function(){w.apply(y,arguments)}};
-F.NVector=function(y){if(y===G)y=0;for(var w=Array(y||0),A=0;A<y;++A)w[A]=0;return w};F.is=function(y,w){if(y===null)return false;if(w instanceof Function&&y instanceof w)return true;if(y.constructor.__implements!=G&&y.constructor.__implements[w])return true;return false};F.parseUInt=function(y){return Math.abs(parseInt(y))}})(Box2D);var Vector=Array,Vector_a2j_Number=Box2D.NVector;if(typeof Box2D==="undefined")Box2D={};if(typeof Box2D.Collision==="undefined")Box2D.Collision={};
-if(typeof Box2D.Collision.Shapes==="undefined")Box2D.Collision.Shapes={};if(typeof Box2D.Common==="undefined")Box2D.Common={};if(typeof Box2D.Common.Math==="undefined")Box2D.Common.Math={};if(typeof Box2D.Dynamics==="undefined")Box2D.Dynamics={};if(typeof Box2D.Dynamics.Contacts==="undefined")Box2D.Dynamics.Contacts={};if(typeof Box2D.Dynamics.Controllers==="undefined")Box2D.Dynamics.Controllers={};if(typeof Box2D.Dynamics.Joints==="undefined")Box2D.Dynamics.Joints={};
-(function(){function F(){F.b2AABB.apply(this,arguments)}function G(){G.b2Bound.apply(this,arguments)}function K(){K.b2BoundValues.apply(this,arguments);this.constructor===K&&this.b2BoundValues.apply(this,arguments)}function y(){y.b2Collision.apply(this,arguments)}function w(){w.b2ContactID.apply(this,arguments);this.constructor===w&&this.b2ContactID.apply(this,arguments)}function A(){A.b2ContactPoint.apply(this,arguments)}function U(){U.b2Distance.apply(this,arguments)}function p(){p.b2DistanceInput.apply(this,
-arguments)}function B(){B.b2DistanceOutput.apply(this,arguments)}function Q(){Q.b2DistanceProxy.apply(this,arguments)}function V(){V.b2DynamicTree.apply(this,arguments);this.constructor===V&&this.b2DynamicTree.apply(this,arguments)}function M(){M.b2DynamicTreeBroadPhase.apply(this,arguments)}function L(){L.b2DynamicTreeNode.apply(this,arguments)}function I(){I.b2DynamicTreePair.apply(this,arguments)}function W(){W.b2Manifold.apply(this,arguments);this.constructor===W&&this.b2Manifold.apply(this,arguments)}
-function Y(){Y.b2ManifoldPoint.apply(this,arguments);this.constructor===Y&&this.b2ManifoldPoint.apply(this,arguments)}function k(){k.b2Point.apply(this,arguments)}function z(){z.b2RayCastInput.apply(this,arguments);this.constructor===z&&this.b2RayCastInput.apply(this,arguments)}function u(){u.b2RayCastOutput.apply(this,arguments)}function D(){D.b2Segment.apply(this,arguments)}function H(){H.b2SeparationFunction.apply(this,arguments)}function O(){O.b2Simplex.apply(this,arguments);this.constructor===
-O&&this.b2Simplex.apply(this,arguments)}function E(){E.b2SimplexCache.apply(this,arguments)}function R(){R.b2SimplexVertex.apply(this,arguments)}function N(){N.b2TimeOfImpact.apply(this,arguments)}function S(){S.b2TOIInput.apply(this,arguments)}function aa(){aa.b2WorldManifold.apply(this,arguments);this.constructor===aa&&this.b2WorldManifold.apply(this,arguments)}function Z(){Z.ClipVertex.apply(this,arguments)}function d(){d.Features.apply(this,arguments)}function h(){h.b2CircleShape.apply(this,arguments);
-this.constructor===h&&this.b2CircleShape.apply(this,arguments)}function l(){l.b2EdgeChainDef.apply(this,arguments);this.constructor===l&&this.b2EdgeChainDef.apply(this,arguments)}function j(){j.b2EdgeShape.apply(this,arguments);this.constructor===j&&this.b2EdgeShape.apply(this,arguments)}function o(){o.b2MassData.apply(this,arguments)}function q(){q.b2PolygonShape.apply(this,arguments);this.constructor===q&&this.b2PolygonShape.apply(this,arguments)}function n(){n.b2Shape.apply(this,arguments);this.constructor===
-n&&this.b2Shape.apply(this,arguments)}function a(){a.b2Color.apply(this,arguments);this.constructor===a&&this.b2Color.apply(this,arguments)}function c(){c.b2Settings.apply(this,arguments)}function g(){g.b2Mat22.apply(this,arguments);this.constructor===g&&this.b2Mat22.apply(this,arguments)}function b(){b.b2Mat33.apply(this,arguments);this.constructor===b&&this.b2Mat33.apply(this,arguments)}function e(){e.b2Math.apply(this,arguments)}function f(){f.b2Sweep.apply(this,arguments)}function m(){m.b2Transform.apply(this,
-arguments);this.constructor===m&&this.b2Transform.apply(this,arguments)}function r(){r.b2Vec2.apply(this,arguments);this.constructor===r&&this.b2Vec2.apply(this,arguments)}function s(){s.b2Vec3.apply(this,arguments);this.constructor===s&&this.b2Vec3.apply(this,arguments)}function v(){v.b2Body.apply(this,arguments);this.constructor===v&&this.b2Body.apply(this,arguments)}function t(){t.b2BodyDef.apply(this,arguments);this.constructor===t&&this.b2BodyDef.apply(this,arguments)}function x(){x.b2ContactFilter.apply(this,
-arguments)}function C(){C.b2ContactImpulse.apply(this,arguments)}function J(){J.b2ContactListener.apply(this,arguments)}function T(){T.b2ContactManager.apply(this,arguments);this.constructor===T&&this.b2ContactManager.apply(this,arguments)}function P(){P.b2DebugDraw.apply(this,arguments);this.constructor===P&&this.b2DebugDraw.apply(this,arguments)}function X(){X.b2DestructionListener.apply(this,arguments)}function $(){$.b2FilterData.apply(this,arguments)}function ba(){ba.b2Fixture.apply(this,arguments);
-this.constructor===ba&&this.b2Fixture.apply(this,arguments)}function ca(){ca.b2FixtureDef.apply(this,arguments);this.constructor===ca&&this.b2FixtureDef.apply(this,arguments)}function da(){da.b2Island.apply(this,arguments);this.constructor===da&&this.b2Island.apply(this,arguments)}function Fa(){Fa.b2TimeStep.apply(this,arguments)}function ea(){ea.b2World.apply(this,arguments);this.constructor===ea&&this.b2World.apply(this,arguments)}function Ga(){Ga.b2CircleContact.apply(this,arguments)}function fa(){fa.b2Contact.apply(this,
-arguments);this.constructor===fa&&this.b2Contact.apply(this,arguments)}function ga(){ga.b2ContactConstraint.apply(this,arguments);this.constructor===ga&&this.b2ContactConstraint.apply(this,arguments)}function Ha(){Ha.b2ContactConstraintPoint.apply(this,arguments)}function Ia(){Ia.b2ContactEdge.apply(this,arguments)}function ha(){ha.b2ContactFactory.apply(this,arguments);this.constructor===ha&&this.b2ContactFactory.apply(this,arguments)}function Ja(){Ja.b2ContactRegister.apply(this,arguments)}function Ka(){Ka.b2ContactResult.apply(this,
-arguments)}function ia(){ia.b2ContactSolver.apply(this,arguments);this.constructor===ia&&this.b2ContactSolver.apply(this,arguments)}function La(){La.b2EdgeAndCircleContact.apply(this,arguments)}function ja(){ja.b2NullContact.apply(this,arguments);this.constructor===ja&&this.b2NullContact.apply(this,arguments)}function Ma(){Ma.b2PolyAndCircleContact.apply(this,arguments)}function Na(){Na.b2PolyAndEdgeContact.apply(this,arguments)}function Oa(){Oa.b2PolygonContact.apply(this,arguments)}function ka(){ka.b2PositionSolverManifold.apply(this,
-arguments);this.constructor===ka&&this.b2PositionSolverManifold.apply(this,arguments)}function Pa(){Pa.b2BuoyancyController.apply(this,arguments)}function Qa(){Qa.b2ConstantAccelController.apply(this,arguments)}function Ra(){Ra.b2ConstantForceController.apply(this,arguments)}function Sa(){Sa.b2Controller.apply(this,arguments)}function Ta(){Ta.b2ControllerEdge.apply(this,arguments)}function Ua(){Ua.b2GravityController.apply(this,arguments)}function Va(){Va.b2TensorDampingController.apply(this,arguments)}
-function la(){la.b2DistanceJoint.apply(this,arguments);this.constructor===la&&this.b2DistanceJoint.apply(this,arguments)}function ma(){ma.b2DistanceJointDef.apply(this,arguments);this.constructor===ma&&this.b2DistanceJointDef.apply(this,arguments)}function na(){na.b2FrictionJoint.apply(this,arguments);this.constructor===na&&this.b2FrictionJoint.apply(this,arguments)}function oa(){oa.b2FrictionJointDef.apply(this,arguments);this.constructor===oa&&this.b2FrictionJointDef.apply(this,arguments)}function pa(){pa.b2GearJoint.apply(this,
-arguments);this.constructor===pa&&this.b2GearJoint.apply(this,arguments)}function qa(){qa.b2GearJointDef.apply(this,arguments);this.constructor===qa&&this.b2GearJointDef.apply(this,arguments)}function Wa(){Wa.b2Jacobian.apply(this,arguments)}function ra(){ra.b2Joint.apply(this,arguments);this.constructor===ra&&this.b2Joint.apply(this,arguments)}function sa(){sa.b2JointDef.apply(this,arguments);this.constructor===sa&&this.b2JointDef.apply(this,arguments)}function Xa(){Xa.b2JointEdge.apply(this,arguments)}
-function ta(){ta.b2LineJoint.apply(this,arguments);this.constructor===ta&&this.b2LineJoint.apply(this,arguments)}function ua(){ua.b2LineJointDef.apply(this,arguments);this.constructor===ua&&this.b2LineJointDef.apply(this,arguments)}function va(){va.b2MouseJoint.apply(this,arguments);this.constructor===va&&this.b2MouseJoint.apply(this,arguments)}function wa(){wa.b2MouseJointDef.apply(this,arguments);this.constructor===wa&&this.b2MouseJointDef.apply(this,arguments)}function xa(){xa.b2PrismaticJoint.apply(this,
-arguments);this.constructor===xa&&this.b2PrismaticJoint.apply(this,arguments)}function ya(){ya.b2PrismaticJointDef.apply(this,arguments);this.constructor===ya&&this.b2PrismaticJointDef.apply(this,arguments)}function za(){za.b2PulleyJoint.apply(this,arguments);this.constructor===za&&this.b2PulleyJoint.apply(this,arguments)}function Aa(){Aa.b2PulleyJointDef.apply(this,arguments);this.constructor===Aa&&this.b2PulleyJointDef.apply(this,arguments)}function Ba(){Ba.b2RevoluteJoint.apply(this,arguments);
-this.constructor===Ba&&this.b2RevoluteJoint.apply(this,arguments)}function Ca(){Ca.b2RevoluteJointDef.apply(this,arguments);this.constructor===Ca&&this.b2RevoluteJointDef.apply(this,arguments)}function Da(){Da.b2WeldJoint.apply(this,arguments);this.constructor===Da&&this.b2WeldJoint.apply(this,arguments)}function Ea(){Ea.b2WeldJointDef.apply(this,arguments);this.constructor===Ea&&this.b2WeldJointDef.apply(this,arguments)}Box2D.Collision.IBroadPhase="Box2D.Collision.IBroadPhase";Box2D.Collision.b2AABB=
-F;Box2D.Collision.b2Bound=G;Box2D.Collision.b2BoundValues=K;Box2D.Collision.b2Collision=y;Box2D.Collision.b2ContactID=w;Box2D.Collision.b2ContactPoint=A;Box2D.Collision.b2Distance=U;Box2D.Collision.b2DistanceInput=p;Box2D.Collision.b2DistanceOutput=B;Box2D.Collision.b2DistanceProxy=Q;Box2D.Collision.b2DynamicTree=V;Box2D.Collision.b2DynamicTreeBroadPhase=M;Box2D.Collision.b2DynamicTreeNode=L;Box2D.Collision.b2DynamicTreePair=I;Box2D.Collision.b2Manifold=W;Box2D.Collision.b2ManifoldPoint=Y;Box2D.Collision.b2Point=
-k;Box2D.Collision.b2RayCastInput=z;Box2D.Collision.b2RayCastOutput=u;Box2D.Collision.b2Segment=D;Box2D.Collision.b2SeparationFunction=H;Box2D.Collision.b2Simplex=O;Box2D.Collision.b2SimplexCache=E;Box2D.Collision.b2SimplexVertex=R;Box2D.Collision.b2TimeOfImpact=N;Box2D.Collision.b2TOIInput=S;Box2D.Collision.b2WorldManifold=aa;Box2D.Collision.ClipVertex=Z;Box2D.Collision.Features=d;Box2D.Collision.Shapes.b2CircleShape=h;Box2D.Collision.Shapes.b2EdgeChainDef=l;Box2D.Collision.Shapes.b2EdgeShape=j;Box2D.Collision.Shapes.b2MassData=
-o;Box2D.Collision.Shapes.b2PolygonShape=q;Box2D.Collision.Shapes.b2Shape=n;Box2D.Common.b2internal="Box2D.Common.b2internal";Box2D.Common.b2Color=a;Box2D.Common.b2Settings=c;Box2D.Common.Math.b2Mat22=g;Box2D.Common.Math.b2Mat33=b;Box2D.Common.Math.b2Math=e;Box2D.Common.Math.b2Sweep=f;Box2D.Common.Math.b2Transform=m;Box2D.Common.Math.b2Vec2=r;Box2D.Common.Math.b2Vec3=s;Box2D.Dynamics.b2Body=v;Box2D.Dynamics.b2BodyDef=t;Box2D.Dynamics.b2ContactFilter=x;Box2D.Dynamics.b2ContactImpulse=C;Box2D.Dynamics.b2ContactListener=
-J;Box2D.Dynamics.b2ContactManager=T;Box2D.Dynamics.b2DebugDraw=P;Box2D.Dynamics.b2DestructionListener=X;Box2D.Dynamics.b2FilterData=$;Box2D.Dynamics.b2Fixture=ba;Box2D.Dynamics.b2FixtureDef=ca;Box2D.Dynamics.b2Island=da;Box2D.Dynamics.b2TimeStep=Fa;Box2D.Dynamics.b2World=ea;Box2D.Dynamics.Contacts.b2CircleContact=Ga;Box2D.Dynamics.Contacts.b2Contact=fa;Box2D.Dynamics.Contacts.b2ContactConstraint=ga;Box2D.Dynamics.Contacts.b2ContactConstraintPoint=Ha;Box2D.Dynamics.Contacts.b2ContactEdge=Ia;Box2D.Dynamics.Contacts.b2ContactFactory=
-ha;Box2D.Dynamics.Contacts.b2ContactRegister=Ja;Box2D.Dynamics.Contacts.b2ContactResult=Ka;Box2D.Dynamics.Contacts.b2ContactSolver=ia;Box2D.Dynamics.Contacts.b2EdgeAndCircleContact=La;Box2D.Dynamics.Contacts.b2NullContact=ja;Box2D.Dynamics.Contacts.b2PolyAndCircleContact=Ma;Box2D.Dynamics.Contacts.b2PolyAndEdgeContact=Na;Box2D.Dynamics.Contacts.b2PolygonContact=Oa;Box2D.Dynamics.Contacts.b2PositionSolverManifold=ka;Box2D.Dynamics.Controllers.b2BuoyancyController=Pa;Box2D.Dynamics.Controllers.b2ConstantAccelController=
-Qa;Box2D.Dynamics.Controllers.b2ConstantForceController=Ra;Box2D.Dynamics.Controllers.b2Controller=Sa;Box2D.Dynamics.Controllers.b2ControllerEdge=Ta;Box2D.Dynamics.Controllers.b2GravityController=Ua;Box2D.Dynamics.Controllers.b2TensorDampingController=Va;Box2D.Dynamics.Joints.b2DistanceJoint=la;Box2D.Dynamics.Joints.b2DistanceJointDef=ma;Box2D.Dynamics.Joints.b2FrictionJoint=na;Box2D.Dynamics.Joints.b2FrictionJointDef=oa;Box2D.Dynamics.Joints.b2GearJoint=pa;Box2D.Dynamics.Joints.b2GearJointDef=qa;
-Box2D.Dynamics.Joints.b2Jacobian=Wa;Box2D.Dynamics.Joints.b2Joint=ra;Box2D.Dynamics.Joints.b2JointDef=sa;Box2D.Dynamics.Joints.b2JointEdge=Xa;Box2D.Dynamics.Joints.b2LineJoint=ta;Box2D.Dynamics.Joints.b2LineJointDef=ua;Box2D.Dynamics.Joints.b2MouseJoint=va;Box2D.Dynamics.Joints.b2MouseJointDef=wa;Box2D.Dynamics.Joints.b2PrismaticJoint=xa;Box2D.Dynamics.Joints.b2PrismaticJointDef=ya;Box2D.Dynamics.Joints.b2PulleyJoint=za;Box2D.Dynamics.Joints.b2PulleyJointDef=Aa;Box2D.Dynamics.Joints.b2RevoluteJoint=
-Ba;Box2D.Dynamics.Joints.b2RevoluteJointDef=Ca;Box2D.Dynamics.Joints.b2WeldJoint=Da;Box2D.Dynamics.Joints.b2WeldJointDef=Ea})();Box2D.postDefs=[];
-(function(){var F=Box2D.Collision.Shapes.b2CircleShape,G=Box2D.Collision.Shapes.b2PolygonShape,K=Box2D.Collision.Shapes.b2Shape,y=Box2D.Common.b2Settings,w=Box2D.Common.Math.b2Math,A=Box2D.Common.Math.b2Sweep,U=Box2D.Common.Math.b2Transform,p=Box2D.Common.Math.b2Vec2,B=Box2D.Collision.b2AABB,Q=Box2D.Collision.b2Bound,V=Box2D.Collision.b2BoundValues,M=Box2D.Collision.b2Collision,L=Box2D.Collision.b2ContactID,I=Box2D.Collision.b2ContactPoint,W=Box2D.Collision.b2Distance,Y=Box2D.Collision.b2DistanceInput,
-k=Box2D.Collision.b2DistanceOutput,z=Box2D.Collision.b2DistanceProxy,u=Box2D.Collision.b2DynamicTree,D=Box2D.Collision.b2DynamicTreeBroadPhase,H=Box2D.Collision.b2DynamicTreeNode,O=Box2D.Collision.b2DynamicTreePair,E=Box2D.Collision.b2Manifold,R=Box2D.Collision.b2ManifoldPoint,N=Box2D.Collision.b2Point,S=Box2D.Collision.b2RayCastInput,aa=Box2D.Collision.b2RayCastOutput,Z=Box2D.Collision.b2Segment,d=Box2D.Collision.b2SeparationFunction,h=Box2D.Collision.b2Simplex,l=Box2D.Collision.b2SimplexCache,j=
-Box2D.Collision.b2SimplexVertex,o=Box2D.Collision.b2TimeOfImpact,q=Box2D.Collision.b2TOIInput,n=Box2D.Collision.b2WorldManifold,a=Box2D.Collision.ClipVertex,c=Box2D.Collision.Features,g=Box2D.Collision.IBroadPhase;B.b2AABB=function(){this.lowerBound=new p;this.upperBound=new p};B.prototype.IsValid=function(){var b=this.upperBound.y-this.lowerBound.y;return b=(b=this.upperBound.x-this.lowerBound.x>=0&&b>=0)&&this.lowerBound.IsValid()&&this.upperBound.IsValid()};B.prototype.GetCenter=function(){return new p((this.lowerBound.x+
-this.upperBound.x)/2,(this.lowerBound.y+this.upperBound.y)/2)};B.prototype.GetExtents=function(){return new p((this.upperBound.x-this.lowerBound.x)/2,(this.upperBound.y-this.lowerBound.y)/2)};B.prototype.Contains=function(b){var e=true;return e=(e=(e=(e=e&&this.lowerBound.x<=b.lowerBound.x)&&this.lowerBound.y<=b.lowerBound.y)&&b.upperBound.x<=this.upperBound.x)&&b.upperBound.y<=this.upperBound.y};B.prototype.RayCast=function(b,e){var f=-Number.MAX_VALUE,m=Number.MAX_VALUE,r=e.p1.x,s=e.p1.y,v=e.p2.x-
-e.p1.x,t=e.p2.y-e.p1.y,x=Math.abs(t),C=b.normal,J=0,T=0,P=J=0;P=0;if(Math.abs(v)<Number.MIN_VALUE){if(r<this.lowerBound.x||this.upperBound.x<r)return false}else{J=1/v;T=(this.lowerBound.x-r)*J;J=(this.upperBound.x-r)*J;P=-1;if(T>J){P=T;T=J;J=P;P=1}if(T>f){C.x=P;C.y=0;f=T}m=Math.min(m,J);if(f>m)return false}if(x<Number.MIN_VALUE){if(s<this.lowerBound.y||this.upperBound.y<s)return false}else{J=1/t;T=(this.lowerBound.y-s)*J;J=(this.upperBound.y-s)*J;P=-1;if(T>J){P=T;T=J;J=P;P=1}if(T>f){C.y=P;C.x=0;f=
-T}m=Math.min(m,J);if(f>m)return false}b.fraction=f;return true};B.prototype.TestOverlap=function(b){var e=b.lowerBound.y-this.upperBound.y,f=this.lowerBound.y-b.upperBound.y;if(b.lowerBound.x-this.upperBound.x>0||e>0)return false;if(this.lowerBound.x-b.upperBound.x>0||f>0)return false;return true};B.Combine=function(b,e){var f=new B;f.Combine(b,e);return f};B.prototype.Combine=function(b,e){this.lowerBound.x=Math.min(b.lowerBound.x,e.lowerBound.x);this.lowerBound.y=Math.min(b.lowerBound.y,e.lowerBound.y);
-this.upperBound.x=Math.max(b.upperBound.x,e.upperBound.x);this.upperBound.y=Math.max(b.upperBound.y,e.upperBound.y)};Q.b2Bound=function(){};Q.prototype.IsLower=function(){return(this.value&1)==0};Q.prototype.IsUpper=function(){return(this.value&1)==1};Q.prototype.Swap=function(b){var e=this.value,f=this.proxy,m=this.stabbingCount;this.value=b.value;this.proxy=b.proxy;this.stabbingCount=b.stabbingCount;b.value=e;b.proxy=f;b.stabbingCount=m};V.b2BoundValues=function(){};V.prototype.b2BoundValues=function(){this.lowerValues=
-new Vector_a2j_Number;this.lowerValues[0]=0;this.lowerValues[1]=0;this.upperValues=new Vector_a2j_Number;this.upperValues[0]=0;this.upperValues[1]=0};M.b2Collision=function(){};M.ClipSegmentToLine=function(b,e,f,m){if(m===undefined)m=0;var r,s=0;r=e[0];var v=r.v;r=e[1];var t=r.v,x=f.x*v.x+f.y*v.y-m;r=f.x*t.x+f.y*t.y-m;x<=0&&b[s++].Set(e[0]);r<=0&&b[s++].Set(e[1]);if(x*r<0){f=x/(x-r);r=b[s];r=r.v;r.x=v.x+f*(t.x-v.x);r.y=v.y+f*(t.y-v.y);r=b[s];r.id=(x>0?e[0]:e[1]).id;++s}return s};M.EdgeSeparation=
-function(b,e,f,m,r){if(f===undefined)f=0;parseInt(b.m_vertexCount);var s=b.m_vertices;b=b.m_normals;var v=parseInt(m.m_vertexCount),t=m.m_vertices,x,C;x=e.R;C=b[f];b=x.col1.x*C.x+x.col2.x*C.y;m=x.col1.y*C.x+x.col2.y*C.y;x=r.R;var J=x.col1.x*b+x.col1.y*m;x=x.col2.x*b+x.col2.y*m;for(var T=0,P=Number.MAX_VALUE,X=0;X<v;++X){C=t[X];C=C.x*J+C.y*x;if(C<P){P=C;T=X}}C=s[f];x=e.R;f=e.position.x+(x.col1.x*C.x+x.col2.x*C.y);e=e.position.y+(x.col1.y*C.x+x.col2.y*C.y);C=t[T];x=r.R;s=r.position.x+(x.col1.x*C.x+
-x.col2.x*C.y);r=r.position.y+(x.col1.y*C.x+x.col2.y*C.y);s-=f;r-=e;return s*b+r*m};M.FindMaxSeparation=function(b,e,f,m,r){var s=parseInt(e.m_vertexCount),v=e.m_normals,t,x;x=r.R;t=m.m_centroid;var C=r.position.x+(x.col1.x*t.x+x.col2.x*t.y),J=r.position.y+(x.col1.y*t.x+x.col2.y*t.y);x=f.R;t=e.m_centroid;C-=f.position.x+(x.col1.x*t.x+x.col2.x*t.y);J-=f.position.y+(x.col1.y*t.x+x.col2.y*t.y);x=C*f.R.col1.x+J*f.R.col1.y;J=C*f.R.col2.x+J*f.R.col2.y;C=0;for(var T=-Number.MAX_VALUE,P=0;P<s;++P){t=v[P];
-t=t.x*x+t.y*J;if(t>T){T=t;C=P}}v=M.EdgeSeparation(e,f,C,m,r);t=parseInt(C-1>=0?C-1:s-1);x=M.EdgeSeparation(e,f,t,m,r);J=parseInt(C+1<s?C+1:0);T=M.EdgeSeparation(e,f,J,m,r);var X=P=0,$=0;if(x>v&&x>T){$=-1;P=t;X=x}else if(T>v){$=1;P=J;X=T}else{b[0]=C;return v}for(;;){C=$==-1?P-1>=0?P-1:s-1:P+1<s?P+1:0;v=M.EdgeSeparation(e,f,C,m,r);if(v>X){P=C;X=v}else break}b[0]=P;return X};M.FindIncidentEdge=function(b,e,f,m,r,s){if(m===undefined)m=0;parseInt(e.m_vertexCount);var v=e.m_normals,t=parseInt(r.m_vertexCount);
-e=r.m_vertices;r=r.m_normals;var x;x=f.R;f=v[m];v=x.col1.x*f.x+x.col2.x*f.y;var C=x.col1.y*f.x+x.col2.y*f.y;x=s.R;f=x.col1.x*v+x.col1.y*C;C=x.col2.x*v+x.col2.y*C;v=f;x=0;for(var J=Number.MAX_VALUE,T=0;T<t;++T){f=r[T];f=v*f.x+C*f.y;if(f<J){J=f;x=T}}r=parseInt(x);v=parseInt(r+1<t?r+1:0);t=b[0];f=e[r];x=s.R;t.v.x=s.position.x+(x.col1.x*f.x+x.col2.x*f.y);t.v.y=s.position.y+(x.col1.y*f.x+x.col2.y*f.y);t.id.features.referenceEdge=m;t.id.features.incidentEdge=r;t.id.features.incidentVertex=0;t=b[1];f=e[v];
-x=s.R;t.v.x=s.position.x+(x.col1.x*f.x+x.col2.x*f.y);t.v.y=s.position.y+(x.col1.y*f.x+x.col2.y*f.y);t.id.features.referenceEdge=m;t.id.features.incidentEdge=v;t.id.features.incidentVertex=1};M.MakeClipPointVector=function(){var b=new Vector(2);b[0]=new a;b[1]=new a;return b};M.CollidePolygons=function(b,e,f,m,r){var s;b.m_pointCount=0;var v=e.m_radius+m.m_radius;s=0;M.s_edgeAO[0]=s;var t=M.FindMaxSeparation(M.s_edgeAO,e,f,m,r);s=M.s_edgeAO[0];if(!(t>v)){var x=0;M.s_edgeBO[0]=x;var C=M.FindMaxSeparation(M.s_edgeBO,
-m,r,e,f);x=M.s_edgeBO[0];if(!(C>v)){var J=0,T=0;if(C>0.98*t+0.0010){t=m;m=e;e=r;f=f;J=x;b.m_type=E.e_faceB;T=1}else{t=e;m=m;e=f;f=r;J=s;b.m_type=E.e_faceA;T=0}s=M.s_incidentEdge;M.FindIncidentEdge(s,t,e,J,m,f);x=parseInt(t.m_vertexCount);r=t.m_vertices;t=r[J];var P;P=J+1<x?r[parseInt(J+1)]:r[0];J=M.s_localTangent;J.Set(P.x-t.x,P.y-t.y);J.Normalize();r=M.s_localNormal;r.x=J.y;r.y=-J.x;m=M.s_planePoint;m.Set(0.5*(t.x+P.x),0.5*(t.y+P.y));C=M.s_tangent;x=e.R;C.x=x.col1.x*J.x+x.col2.x*J.y;C.y=x.col1.y*
-J.x+x.col2.y*J.y;var X=M.s_tangent2;X.x=-C.x;X.y=-C.y;J=M.s_normal;J.x=C.y;J.y=-C.x;var $=M.s_v11,ba=M.s_v12;$.x=e.position.x+(x.col1.x*t.x+x.col2.x*t.y);$.y=e.position.y+(x.col1.y*t.x+x.col2.y*t.y);ba.x=e.position.x+(x.col1.x*P.x+x.col2.x*P.y);ba.y=e.position.y+(x.col1.y*P.x+x.col2.y*P.y);e=J.x*$.x+J.y*$.y;x=C.x*ba.x+C.y*ba.y+v;P=M.s_clipPoints1;t=M.s_clipPoints2;ba=0;ba=M.ClipSegmentToLine(P,s,X,-C.x*$.x-C.y*$.y+v);if(!(ba<2)){ba=M.ClipSegmentToLine(t,P,C,x);if(!(ba<2)){b.m_localPlaneNormal.SetV(r);
-b.m_localPoint.SetV(m);for(m=r=0;m<y.b2_maxManifoldPoints;++m){s=t[m];if(J.x*s.v.x+J.y*s.v.y-e<=v){C=b.m_points[r];x=f.R;X=s.v.x-f.position.x;$=s.v.y-f.position.y;C.m_localPoint.x=X*x.col1.x+$*x.col1.y;C.m_localPoint.y=X*x.col2.x+$*x.col2.y;C.m_id.Set(s.id);C.m_id.features.flip=T;++r}}b.m_pointCount=r}}}}};M.CollideCircles=function(b,e,f,m,r){b.m_pointCount=0;var s,v;s=f.R;v=e.m_p;var t=f.position.x+(s.col1.x*v.x+s.col2.x*v.y);f=f.position.y+(s.col1.y*v.x+s.col2.y*v.y);s=r.R;v=m.m_p;t=r.position.x+
-(s.col1.x*v.x+s.col2.x*v.y)-t;r=r.position.y+(s.col1.y*v.x+s.col2.y*v.y)-f;s=e.m_radius+m.m_radius;if(!(t*t+r*r>s*s)){b.m_type=E.e_circles;b.m_localPoint.SetV(e.m_p);b.m_localPlaneNormal.SetZero();b.m_pointCount=1;b.m_points[0].m_localPoint.SetV(m.m_p);b.m_points[0].m_id.key=0}};M.CollidePolygonAndCircle=function(b,e,f,m,r){var s=b.m_pointCount=0,v=0,t,x;x=r.R;t=m.m_p;var C=r.position.y+(x.col1.y*t.x+x.col2.y*t.y);s=r.position.x+(x.col1.x*t.x+x.col2.x*t.y)-f.position.x;v=C-f.position.y;x=f.R;f=s*
-x.col1.x+v*x.col1.y;x=s*x.col2.x+v*x.col2.y;var J=0;C=-Number.MAX_VALUE;r=e.m_radius+m.m_radius;var T=parseInt(e.m_vertexCount),P=e.m_vertices;e=e.m_normals;for(var X=0;X<T;++X){t=P[X];s=f-t.x;v=x-t.y;t=e[X];s=t.x*s+t.y*v;if(s>r)return;if(s>C){C=s;J=X}}s=parseInt(J);v=parseInt(s+1<T?s+1:0);t=P[s];P=P[v];if(C<Number.MIN_VALUE){b.m_pointCount=1;b.m_type=E.e_faceA;b.m_localPlaneNormal.SetV(e[J]);b.m_localPoint.x=0.5*(t.x+P.x);b.m_localPoint.y=0.5*(t.y+P.y)}else{C=(f-P.x)*(t.x-P.x)+(x-P.y)*(t.y-P.y);
-if((f-t.x)*(P.x-t.x)+(x-t.y)*(P.y-t.y)<=0){if((f-t.x)*(f-t.x)+(x-t.y)*(x-t.y)>r*r)return;b.m_pointCount=1;b.m_type=E.e_faceA;b.m_localPlaneNormal.x=f-t.x;b.m_localPlaneNormal.y=x-t.y;b.m_localPlaneNormal.Normalize();b.m_localPoint.SetV(t)}else if(C<=0){if((f-P.x)*(f-P.x)+(x-P.y)*(x-P.y)>r*r)return;b.m_pointCount=1;b.m_type=E.e_faceA;b.m_localPlaneNormal.x=f-P.x;b.m_localPlaneNormal.y=x-P.y;b.m_localPlaneNormal.Normalize();b.m_localPoint.SetV(P)}else{J=0.5*(t.x+P.x);t=0.5*(t.y+P.y);C=(f-J)*e[s].x+
-(x-t)*e[s].y;if(C>r)return;b.m_pointCount=1;b.m_type=E.e_faceA;b.m_localPlaneNormal.x=e[s].x;b.m_localPlaneNormal.y=e[s].y;b.m_localPlaneNormal.Normalize();b.m_localPoint.Set(J,t)}}b.m_points[0].m_localPoint.SetV(m.m_p);b.m_points[0].m_id.key=0};M.TestOverlap=function(b,e){var f=e.lowerBound,m=b.upperBound,r=f.x-m.x,s=f.y-m.y;f=b.lowerBound;m=e.upperBound;var v=f.y-m.y;if(r>0||s>0)return false;if(f.x-m.x>0||v>0)return false;return true};Box2D.postDefs.push(function(){Box2D.Collision.b2Collision.s_incidentEdge=
-M.MakeClipPointVector();Box2D.Collision.b2Collision.s_clipPoints1=M.MakeClipPointVector();Box2D.Collision.b2Collision.s_clipPoints2=M.MakeClipPointVector();Box2D.Collision.b2Collision.s_edgeAO=new Vector_a2j_Number(1);Box2D.Collision.b2Collision.s_edgeBO=new Vector_a2j_Number(1);Box2D.Collision.b2Collision.s_localTangent=new p;Box2D.Collision.b2Collision.s_localNormal=new p;Box2D.Collision.b2Collision.s_planePoint=new p;Box2D.Collision.b2Collision.s_normal=new p;Box2D.Collision.b2Collision.s_tangent=
-new p;Box2D.Collision.b2Collision.s_tangent2=new p;Box2D.Collision.b2Collision.s_v11=new p;Box2D.Collision.b2Collision.s_v12=new p;Box2D.Collision.b2Collision.b2CollidePolyTempVec=new p;Box2D.Collision.b2Collision.b2_nullFeature=255});L.b2ContactID=function(){this.features=new c};L.prototype.b2ContactID=function(){this.features._m_id=this};L.prototype.Set=function(b){this.key=b._key};L.prototype.Copy=function(){var b=new L;b.key=this.key;return b};Object.defineProperty(L.prototype,"key",{enumerable:false,
-configurable:true,get:function(){return this._key}});Object.defineProperty(L.prototype,"key",{enumerable:false,configurable:true,set:function(b){if(b===undefined)b=0;this._key=b;this.features._referenceEdge=this._key&255;this.features._incidentEdge=(this._key&65280)>>8&255;this.features._incidentVertex=(this._key&16711680)>>16&255;this.features._flip=(this._key&4278190080)>>24&255}});I.b2ContactPoint=function(){this.position=new p;this.velocity=new p;this.normal=new p;this.id=new L};W.b2Distance=
-function(){};W.Distance=function(b,e,f){++W.b2_gjkCalls;var m=f.proxyA,r=f.proxyB,s=f.transformA,v=f.transformB,t=W.s_simplex;t.ReadCache(e,m,s,r,v);var x=t.m_vertices,C=W.s_saveA,J=W.s_saveB,T=0;t.GetClosestPoint().LengthSquared();for(var P=0,X,$=0;$<20;){T=t.m_count;for(P=0;P<T;P++){C[P]=x[P].indexA;J[P]=x[P].indexB}switch(t.m_count){case 1:break;case 2:t.Solve2();break;case 3:t.Solve3();break;default:y.b2Assert(false)}if(t.m_count==3)break;X=t.GetClosestPoint();X.LengthSquared();P=t.GetSearchDirection();
-if(P.LengthSquared()<Number.MIN_VALUE*Number.MIN_VALUE)break;X=x[t.m_count];X.indexA=m.GetSupport(w.MulTMV(s.R,P.GetNegative()));X.wA=w.MulX(s,m.GetVertex(X.indexA));X.indexB=r.GetSupport(w.MulTMV(v.R,P));X.wB=w.MulX(v,r.GetVertex(X.indexB));X.w=w.SubtractVV(X.wB,X.wA);++$;++W.b2_gjkIters;var ba=false;for(P=0;P<T;P++)if(X.indexA==C[P]&&X.indexB==J[P]){ba=true;break}if(ba)break;++t.m_count}W.b2_gjkMaxIters=w.Max(W.b2_gjkMaxIters,$);t.GetWitnessPoints(b.pointA,b.pointB);b.distance=w.SubtractVV(b.pointA,
-b.pointB).Length();b.iterations=$;t.WriteCache(e);if(f.useRadii){e=m.m_radius;r=r.m_radius;if(b.distance>e+r&&b.distance>Number.MIN_VALUE){b.distance-=e+r;f=w.SubtractVV(b.pointB,b.pointA);f.Normalize();b.pointA.x+=e*f.x;b.pointA.y+=e*f.y;b.pointB.x-=r*f.x;b.pointB.y-=r*f.y}else{X=new p;X.x=0.5*(b.pointA.x+b.pointB.x);X.y=0.5*(b.pointA.y+b.pointB.y);b.pointA.x=b.pointB.x=X.x;b.pointA.y=b.pointB.y=X.y;b.distance=0}}};Box2D.postDefs.push(function(){Box2D.Collision.b2Distance.s_simplex=new h;Box2D.Collision.b2Distance.s_saveA=
-new Vector_a2j_Number(3);Box2D.Collision.b2Distance.s_saveB=new Vector_a2j_Number(3)});Y.b2DistanceInput=function(){};k.b2DistanceOutput=function(){this.pointA=new p;this.pointB=new p};z.b2DistanceProxy=function(){};z.prototype.Set=function(b){switch(b.GetType()){case K.e_circleShape:b=b instanceof F?b:null;this.m_vertices=new Vector(1,true);this.m_vertices[0]=b.m_p;this.m_count=1;this.m_radius=b.m_radius;break;case K.e_polygonShape:b=b instanceof G?b:null;this.m_vertices=b.m_vertices;this.m_count=
-b.m_vertexCount;this.m_radius=b.m_radius;break;default:y.b2Assert(false)}};z.prototype.GetSupport=function(b){for(var e=0,f=this.m_vertices[0].x*b.x+this.m_vertices[0].y*b.y,m=1;m<this.m_count;++m){var r=this.m_vertices[m].x*b.x+this.m_vertices[m].y*b.y;if(r>f){e=m;f=r}}return e};z.prototype.GetSupportVertex=function(b){for(var e=0,f=this.m_vertices[0].x*b.x+this.m_vertices[0].y*b.y,m=1;m<this.m_count;++m){var r=this.m_vertices[m].x*b.x+this.m_vertices[m].y*b.y;if(r>f){e=m;f=r}}return this.m_vertices[e]};
-z.prototype.GetVertexCount=function(){return this.m_count};z.prototype.GetVertex=function(b){if(b===undefined)b=0;y.b2Assert(0<=b&&b<this.m_count);return this.m_vertices[b]};u.b2DynamicTree=function(){};u.prototype.b2DynamicTree=function(){this.m_freeList=this.m_root=null;this.m_insertionCount=this.m_path=0};u.prototype.CreateProxy=function(b,e){var f=this.AllocateNode(),m=y.b2_aabbExtension,r=y.b2_aabbExtension;f.aabb.lowerBound.x=b.lowerBound.x-m;f.aabb.lowerBound.y=b.lowerBound.y-r;f.aabb.upperBound.x=
-b.upperBound.x+m;f.aabb.upperBound.y=b.upperBound.y+r;f.userData=e;this.InsertLeaf(f);return f};u.prototype.DestroyProxy=function(b){this.RemoveLeaf(b);this.FreeNode(b)};u.prototype.MoveProxy=function(b,e,f){y.b2Assert(b.IsLeaf());if(b.aabb.Contains(e))return false;this.RemoveLeaf(b);var m=y.b2_aabbExtension+y.b2_aabbMultiplier*(f.x>0?f.x:-f.x);f=y.b2_aabbExtension+y.b2_aabbMultiplier*(f.y>0?f.y:-f.y);b.aabb.lowerBound.x=e.lowerBound.x-m;b.aabb.lowerBound.y=e.lowerBound.y-f;b.aabb.upperBound.x=e.upperBound.x+
-m;b.aabb.upperBound.y=e.upperBound.y+f;this.InsertLeaf(b);return true};u.prototype.Rebalance=function(b){if(b===undefined)b=0;if(this.m_root!=null)for(var e=0;e<b;e++){for(var f=this.m_root,m=0;f.IsLeaf()==false;){f=this.m_path>>m&1?f.child2:f.child1;m=m+1&31}++this.m_path;this.RemoveLeaf(f);this.InsertLeaf(f)}};u.prototype.GetFatAABB=function(b){return b.aabb};u.prototype.GetUserData=function(b){return b.userData};u.prototype.Query=function(b,e){if(this.m_root!=null){var f=new Vector,m=0;for(f[m++]=
-this.m_root;m>0;){var r=f[--m];if(r.aabb.TestOverlap(e))if(r.IsLeaf()){if(!b(r))break}else{f[m++]=r.child1;f[m++]=r.child2}}}};u.prototype.RayCast=function(b,e){if(this.m_root!=null){var f=e.p1,m=e.p2,r=w.SubtractVV(f,m);r.Normalize();r=w.CrossFV(1,r);var s=w.AbsV(r),v=e.maxFraction,t=new B,x=0,C=0;x=f.x+v*(m.x-f.x);C=f.y+v*(m.y-f.y);t.lowerBound.x=Math.min(f.x,x);t.lowerBound.y=Math.min(f.y,C);t.upperBound.x=Math.max(f.x,x);t.upperBound.y=Math.max(f.y,C);var J=new Vector,T=0;for(J[T++]=this.m_root;T>
-0;){v=J[--T];if(v.aabb.TestOverlap(t)!=false){x=v.aabb.GetCenter();C=v.aabb.GetExtents();if(!(Math.abs(r.x*(f.x-x.x)+r.y*(f.y-x.y))-s.x*C.x-s.y*C.y>0))if(v.IsLeaf()){x=new S;x.p1=e.p1;x.p2=e.p2;x.maxFraction=e.maxFraction;v=b(x,v);if(v==0)break;if(v>0){x=f.x+v*(m.x-f.x);C=f.y+v*(m.y-f.y);t.lowerBound.x=Math.min(f.x,x);t.lowerBound.y=Math.min(f.y,C);t.upperBound.x=Math.max(f.x,x);t.upperBound.y=Math.max(f.y,C)}}else{J[T++]=v.child1;J[T++]=v.child2}}}}};u.prototype.AllocateNode=function(){if(this.m_freeList){var b=
-this.m_freeList;this.m_freeList=b.parent;b.parent=null;b.child1=null;b.child2=null;return b}return new H};u.prototype.FreeNode=function(b){b.parent=this.m_freeList;this.m_freeList=b};u.prototype.InsertLeaf=function(b){++this.m_insertionCount;if(this.m_root==null){this.m_root=b;this.m_root.parent=null}else{var e=b.aabb.GetCenter(),f=this.m_root;if(f.IsLeaf()==false){do{var m=f.child1;f=f.child2;f=Math.abs((m.aabb.lowerBound.x+m.aabb.upperBound.x)/2-e.x)+Math.abs((m.aabb.lowerBound.y+m.aabb.upperBound.y)/
-2-e.y)<Math.abs((f.aabb.lowerBound.x+f.aabb.upperBound.x)/2-e.x)+Math.abs((f.aabb.lowerBound.y+f.aabb.upperBound.y)/2-e.y)?m:f}while(f.IsLeaf()==false)}e=f.parent;m=this.AllocateNode();m.parent=e;m.userData=null;m.aabb.Combine(b.aabb,f.aabb);if(e){if(f.parent.child1==f)e.child1=m;else e.child2=m;m.child1=f;m.child2=b;f.parent=m;b.parent=m;do{if(e.aabb.Contains(m.aabb))break;e.aabb.Combine(e.child1.aabb,e.child2.aabb);m=e;e=e.parent}while(e)}else{m.child1=f;m.child2=b;f.parent=m;this.m_root=b.parent=
-m}}};u.prototype.RemoveLeaf=function(b){if(b==this.m_root)this.m_root=null;else{var e=b.parent,f=e.parent;b=e.child1==b?e.child2:e.child1;if(f){if(f.child1==e)f.child1=b;else f.child2=b;b.parent=f;for(this.FreeNode(e);f;){e=f.aabb;f.aabb=B.Combine(f.child1.aabb,f.child2.aabb);if(e.Contains(f.aabb))break;f=f.parent}}else{this.m_root=b;b.parent=null;this.FreeNode(e)}}};D.b2DynamicTreeBroadPhase=function(){this.m_tree=new u;this.m_moveBuffer=new Vector;this.m_pairBuffer=new Vector;this.m_pairCount=0};
-D.prototype.CreateProxy=function(b,e){var f=this.m_tree.CreateProxy(b,e);++this.m_proxyCount;this.BufferMove(f);return f};D.prototype.DestroyProxy=function(b){this.UnBufferMove(b);--this.m_proxyCount;this.m_tree.DestroyProxy(b)};D.prototype.MoveProxy=function(b,e,f){this.m_tree.MoveProxy(b,e,f)&&this.BufferMove(b)};D.prototype.TestOverlap=function(b,e){var f=this.m_tree.GetFatAABB(b),m=this.m_tree.GetFatAABB(e);return f.TestOverlap(m)};D.prototype.GetUserData=function(b){return this.m_tree.GetUserData(b)};
-D.prototype.GetFatAABB=function(b){return this.m_tree.GetFatAABB(b)};D.prototype.GetProxyCount=function(){return this.m_proxyCount};D.prototype.UpdatePairs=function(b){var e=this;var f=e.m_pairCount=0,m;for(f=0;f<e.m_moveBuffer.length;++f){m=e.m_moveBuffer[f];var r=e.m_tree.GetFatAABB(m);e.m_tree.Query(function(t){if(t==m)return true;if(e.m_pairCount==e.m_pairBuffer.length)e.m_pairBuffer[e.m_pairCount]=new O;var x=e.m_pairBuffer[e.m_pairCount];x.proxyA=t<m?t:m;x.proxyB=t>=m?t:m;++e.m_pairCount;return true},
-r)}for(f=e.m_moveBuffer.length=0;f<e.m_pairCount;){r=e.m_pairBuffer[f];var s=e.m_tree.GetUserData(r.proxyA),v=e.m_tree.GetUserData(r.proxyB);b(s,v);for(++f;f<e.m_pairCount;){s=e.m_pairBuffer[f];if(s.proxyA!=r.proxyA||s.proxyB!=r.proxyB)break;++f}}};D.prototype.Query=function(b,e){this.m_tree.Query(b,e)};D.prototype.RayCast=function(b,e){this.m_tree.RayCast(b,e)};D.prototype.Validate=function(){};D.prototype.Rebalance=function(b){if(b===undefined)b=0;this.m_tree.Rebalance(b)};D.prototype.BufferMove=
-function(b){this.m_moveBuffer[this.m_moveBuffer.length]=b};D.prototype.UnBufferMove=function(b){this.m_moveBuffer.splice(parseInt(this.m_moveBuffer.indexOf(b)),1)};D.prototype.ComparePairs=function(){return 0};D.__implements={};D.__implements[g]=true;H.b2DynamicTreeNode=function(){this.aabb=new B};H.prototype.IsLeaf=function(){return this.child1==null};O.b2DynamicTreePair=function(){};E.b2Manifold=function(){this.m_pointCount=0};E.prototype.b2Manifold=function(){this.m_points=new Vector(y.b2_maxManifoldPoints);
-for(var b=0;b<y.b2_maxManifoldPoints;b++)this.m_points[b]=new R;this.m_localPlaneNormal=new p;this.m_localPoint=new p};E.prototype.Reset=function(){for(var b=0;b<y.b2_maxManifoldPoints;b++)(this.m_points[b]instanceof R?this.m_points[b]:null).Reset();this.m_localPlaneNormal.SetZero();this.m_localPoint.SetZero();this.m_pointCount=this.m_type=0};E.prototype.Set=function(b){this.m_pointCount=b.m_pointCount;for(var e=0;e<y.b2_maxManifoldPoints;e++)(this.m_points[e]instanceof R?this.m_points[e]:null).Set(b.m_points[e]);
-this.m_localPlaneNormal.SetV(b.m_localPlaneNormal);this.m_localPoint.SetV(b.m_localPoint);this.m_type=b.m_type};E.prototype.Copy=function(){var b=new E;b.Set(this);return b};Box2D.postDefs.push(function(){Box2D.Collision.b2Manifold.e_circles=1;Box2D.Collision.b2Manifold.e_faceA=2;Box2D.Collision.b2Manifold.e_faceB=4});R.b2ManifoldPoint=function(){this.m_localPoint=new p;this.m_id=new L};R.prototype.b2ManifoldPoint=function(){this.Reset()};R.prototype.Reset=function(){this.m_localPoint.SetZero();this.m_tangentImpulse=
-this.m_normalImpulse=0;this.m_id.key=0};R.prototype.Set=function(b){this.m_localPoint.SetV(b.m_localPoint);this.m_normalImpulse=b.m_normalImpulse;this.m_tangentImpulse=b.m_tangentImpulse;this.m_id.Set(b.m_id)};N.b2Point=function(){this.p=new p};N.prototype.Support=function(){return this.p};N.prototype.GetFirstVertex=function(){return this.p};S.b2RayCastInput=function(){this.p1=new p;this.p2=new p};S.prototype.b2RayCastInput=function(b,e,f){if(b===undefined)b=null;if(e===undefined)e=null;if(f===undefined)f=
-1;b&&this.p1.SetV(b);e&&this.p2.SetV(e);this.maxFraction=f};aa.b2RayCastOutput=function(){this.normal=new p};Z.b2Segment=function(){this.p1=new p;this.p2=new p};Z.prototype.TestSegment=function(b,e,f,m){if(m===undefined)m=0;var r=f.p1,s=f.p2.x-r.x,v=f.p2.y-r.y;f=this.p2.y-this.p1.y;var t=-(this.p2.x-this.p1.x),x=100*Number.MIN_VALUE,C=-(s*f+v*t);if(C>x){var J=r.x-this.p1.x,T=r.y-this.p1.y;r=J*f+T*t;if(0<=r&&r<=m*C){m=-s*T+v*J;if(-x*C<=m&&m<=C*(1+x)){r/=C;m=Math.sqrt(f*f+t*t);f/=m;t/=m;b[0]=r;e.Set(f,
-t);return true}}}return false};Z.prototype.Extend=function(b){this.ExtendForward(b);this.ExtendBackward(b)};Z.prototype.ExtendForward=function(b){var e=this.p2.x-this.p1.x,f=this.p2.y-this.p1.y;b=Math.min(e>0?(b.upperBound.x-this.p1.x)/e:e<0?(b.lowerBound.x-this.p1.x)/e:Number.POSITIVE_INFINITY,f>0?(b.upperBound.y-this.p1.y)/f:f<0?(b.lowerBound.y-this.p1.y)/f:Number.POSITIVE_INFINITY);this.p2.x=this.p1.x+e*b;this.p2.y=this.p1.y+f*b};Z.prototype.ExtendBackward=function(b){var e=-this.p2.x+this.p1.x,
-f=-this.p2.y+this.p1.y;b=Math.min(e>0?(b.upperBound.x-this.p2.x)/e:e<0?(b.lowerBound.x-this.p2.x)/e:Number.POSITIVE_INFINITY,f>0?(b.upperBound.y-this.p2.y)/f:f<0?(b.lowerBound.y-this.p2.y)/f:Number.POSITIVE_INFINITY);this.p1.x=this.p2.x+e*b;this.p1.y=this.p2.y+f*b};d.b2SeparationFunction=function(){this.m_localPoint=new p;this.m_axis=new p};d.prototype.Initialize=function(b,e,f,m,r){this.m_proxyA=e;this.m_proxyB=m;var s=parseInt(b.count);y.b2Assert(0<s&&s<3);var v,t,x,C,J=C=x=m=e=0,T=0;J=0;if(s==
-1){this.m_type=d.e_points;v=this.m_proxyA.GetVertex(b.indexA[0]);t=this.m_proxyB.GetVertex(b.indexB[0]);s=v;b=f.R;e=f.position.x+(b.col1.x*s.x+b.col2.x*s.y);m=f.position.y+(b.col1.y*s.x+b.col2.y*s.y);s=t;b=r.R;x=r.position.x+(b.col1.x*s.x+b.col2.x*s.y);C=r.position.y+(b.col1.y*s.x+b.col2.y*s.y);this.m_axis.x=x-e;this.m_axis.y=C-m;this.m_axis.Normalize()}else{if(b.indexB[0]==b.indexB[1]){this.m_type=d.e_faceA;e=this.m_proxyA.GetVertex(b.indexA[0]);m=this.m_proxyA.GetVertex(b.indexA[1]);t=this.m_proxyB.GetVertex(b.indexB[0]);
-this.m_localPoint.x=0.5*(e.x+m.x);this.m_localPoint.y=0.5*(e.y+m.y);this.m_axis=w.CrossVF(w.SubtractVV(m,e),1);this.m_axis.Normalize();s=this.m_axis;b=f.R;J=b.col1.x*s.x+b.col2.x*s.y;T=b.col1.y*s.x+b.col2.y*s.y;s=this.m_localPoint;b=f.R;e=f.position.x+(b.col1.x*s.x+b.col2.x*s.y);m=f.position.y+(b.col1.y*s.x+b.col2.y*s.y);s=t;b=r.R;x=r.position.x+(b.col1.x*s.x+b.col2.x*s.y);C=r.position.y+(b.col1.y*s.x+b.col2.y*s.y);J=(x-e)*J+(C-m)*T}else if(b.indexA[0]==b.indexA[0]){this.m_type=d.e_faceB;x=this.m_proxyB.GetVertex(b.indexB[0]);
-C=this.m_proxyB.GetVertex(b.indexB[1]);v=this.m_proxyA.GetVertex(b.indexA[0]);this.m_localPoint.x=0.5*(x.x+C.x);this.m_localPoint.y=0.5*(x.y+C.y);this.m_axis=w.CrossVF(w.SubtractVV(C,x),1);this.m_axis.Normalize();s=this.m_axis;b=r.R;J=b.col1.x*s.x+b.col2.x*s.y;T=b.col1.y*s.x+b.col2.y*s.y;s=this.m_localPoint;b=r.R;x=r.position.x+(b.col1.x*s.x+b.col2.x*s.y);C=r.position.y+(b.col1.y*s.x+b.col2.y*s.y);s=v;b=f.R;e=f.position.x+(b.col1.x*s.x+b.col2.x*s.y);m=f.position.y+(b.col1.y*s.x+b.col2.y*s.y);J=(e-
-x)*J+(m-C)*T}else{e=this.m_proxyA.GetVertex(b.indexA[0]);m=this.m_proxyA.GetVertex(b.indexA[1]);x=this.m_proxyB.GetVertex(b.indexB[0]);C=this.m_proxyB.GetVertex(b.indexB[1]);w.MulX(f,v);v=w.MulMV(f.R,w.SubtractVV(m,e));w.MulX(r,t);J=w.MulMV(r.R,w.SubtractVV(C,x));r=v.x*v.x+v.y*v.y;t=J.x*J.x+J.y*J.y;b=w.SubtractVV(J,v);f=v.x*b.x+v.y*b.y;b=J.x*b.x+J.y*b.y;v=v.x*J.x+v.y*J.y;T=r*t-v*v;J=0;if(T!=0)J=w.Clamp((v*b-f*t)/T,0,1);if((v*J+b)/t<0)J=w.Clamp((v-f)/r,0,1);v=new p;v.x=e.x+J*(m.x-e.x);v.y=e.y+J*(m.y-
-e.y);t=new p;t.x=x.x+J*(C.x-x.x);t.y=x.y+J*(C.y-x.y);if(J==0||J==1){this.m_type=d.e_faceB;this.m_axis=w.CrossVF(w.SubtractVV(C,x),1);this.m_axis.Normalize();this.m_localPoint=t}else{this.m_type=d.e_faceA;this.m_axis=w.CrossVF(w.SubtractVV(m,e),1);this.m_localPoint=v}}J<0&&this.m_axis.NegativeSelf()}};d.prototype.Evaluate=function(b,e){var f,m,r=0;switch(this.m_type){case d.e_points:f=w.MulTMV(b.R,this.m_axis);m=w.MulTMV(e.R,this.m_axis.GetNegative());f=this.m_proxyA.GetSupportVertex(f);m=this.m_proxyB.GetSupportVertex(m);
-f=w.MulX(b,f);m=w.MulX(e,m);return r=(m.x-f.x)*this.m_axis.x+(m.y-f.y)*this.m_axis.y;case d.e_faceA:r=w.MulMV(b.R,this.m_axis);f=w.MulX(b,this.m_localPoint);m=w.MulTMV(e.R,r.GetNegative());m=this.m_proxyB.GetSupportVertex(m);m=w.MulX(e,m);return r=(m.x-f.x)*r.x+(m.y-f.y)*r.y;case d.e_faceB:r=w.MulMV(e.R,this.m_axis);m=w.MulX(e,this.m_localPoint);f=w.MulTMV(b.R,r.GetNegative());f=this.m_proxyA.GetSupportVertex(f);f=w.MulX(b,f);return r=(f.x-m.x)*r.x+(f.y-m.y)*r.y;default:y.b2Assert(false);return 0}};
-Box2D.postDefs.push(function(){Box2D.Collision.b2SeparationFunction.e_points=1;Box2D.Collision.b2SeparationFunction.e_faceA=2;Box2D.Collision.b2SeparationFunction.e_faceB=4});h.b2Simplex=function(){this.m_v1=new j;this.m_v2=new j;this.m_v3=new j;this.m_vertices=new Vector(3)};h.prototype.b2Simplex=function(){this.m_vertices[0]=this.m_v1;this.m_vertices[1]=this.m_v2;this.m_vertices[2]=this.m_v3};h.prototype.ReadCache=function(b,e,f,m,r){y.b2Assert(0<=b.count&&b.count<=3);var s,v;this.m_count=b.count;
-for(var t=this.m_vertices,x=0;x<this.m_count;x++){var C=t[x];C.indexA=b.indexA[x];C.indexB=b.indexB[x];s=e.GetVertex(C.indexA);v=m.GetVertex(C.indexB);C.wA=w.MulX(f,s);C.wB=w.MulX(r,v);C.w=w.SubtractVV(C.wB,C.wA);C.a=0}if(this.m_count>1){b=b.metric;s=this.GetMetric();if(s<0.5*b||2*b<s||s<Number.MIN_VALUE)this.m_count=0}if(this.m_count==0){C=t[0];C.indexA=0;C.indexB=0;s=e.GetVertex(0);v=m.GetVertex(0);C.wA=w.MulX(f,s);C.wB=w.MulX(r,v);C.w=w.SubtractVV(C.wB,C.wA);this.m_count=1}};h.prototype.WriteCache=
-function(b){b.metric=this.GetMetric();b.count=Box2D.parseUInt(this.m_count);for(var e=this.m_vertices,f=0;f<this.m_count;f++){b.indexA[f]=Box2D.parseUInt(e[f].indexA);b.indexB[f]=Box2D.parseUInt(e[f].indexB)}};h.prototype.GetSearchDirection=function(){switch(this.m_count){case 1:return this.m_v1.w.GetNegative();case 2:var b=w.SubtractVV(this.m_v2.w,this.m_v1.w);return w.CrossVV(b,this.m_v1.w.GetNegative())>0?w.CrossFV(1,b):w.CrossVF(b,1);default:y.b2Assert(false);return new p}};h.prototype.GetClosestPoint=
-function(){switch(this.m_count){case 0:y.b2Assert(false);return new p;case 1:return this.m_v1.w;case 2:return new p(this.m_v1.a*this.m_v1.w.x+this.m_v2.a*this.m_v2.w.x,this.m_v1.a*this.m_v1.w.y+this.m_v2.a*this.m_v2.w.y);default:y.b2Assert(false);return new p}};h.prototype.GetWitnessPoints=function(b,e){switch(this.m_count){case 0:y.b2Assert(false);break;case 1:b.SetV(this.m_v1.wA);e.SetV(this.m_v1.wB);break;case 2:b.x=this.m_v1.a*this.m_v1.wA.x+this.m_v2.a*this.m_v2.wA.x;b.y=this.m_v1.a*this.m_v1.wA.y+
-this.m_v2.a*this.m_v2.wA.y;e.x=this.m_v1.a*this.m_v1.wB.x+this.m_v2.a*this.m_v2.wB.x;e.y=this.m_v1.a*this.m_v1.wB.y+this.m_v2.a*this.m_v2.wB.y;break;case 3:e.x=b.x=this.m_v1.a*this.m_v1.wA.x+this.m_v2.a*this.m_v2.wA.x+this.m_v3.a*this.m_v3.wA.x;e.y=b.y=this.m_v1.a*this.m_v1.wA.y+this.m_v2.a*this.m_v2.wA.y+this.m_v3.a*this.m_v3.wA.y;break;default:y.b2Assert(false)}};h.prototype.GetMetric=function(){switch(this.m_count){case 0:y.b2Assert(false);return 0;case 1:return 0;case 2:return w.SubtractVV(this.m_v1.w,
-this.m_v2.w).Length();case 3:return w.CrossVV(w.SubtractVV(this.m_v2.w,this.m_v1.w),w.SubtractVV(this.m_v3.w,this.m_v1.w));default:y.b2Assert(false);return 0}};h.prototype.Solve2=function(){var b=this.m_v1.w,e=this.m_v2.w,f=w.SubtractVV(e,b);b=-(b.x*f.x+b.y*f.y);if(b<=0)this.m_count=this.m_v1.a=1;else{e=e.x*f.x+e.y*f.y;if(e<=0){this.m_count=this.m_v2.a=1;this.m_v1.Set(this.m_v2)}else{f=1/(e+b);this.m_v1.a=e*f;this.m_v2.a=b*f;this.m_count=2}}};h.prototype.Solve3=function(){var b=this.m_v1.w,e=this.m_v2.w,
-f=this.m_v3.w,m=w.SubtractVV(e,b),r=w.Dot(b,m),s=w.Dot(e,m);r=-r;var v=w.SubtractVV(f,b),t=w.Dot(b,v),x=w.Dot(f,v);t=-t;var C=w.SubtractVV(f,e),J=w.Dot(e,C);C=w.Dot(f,C);J=-J;v=w.CrossVV(m,v);m=v*w.CrossVV(e,f);f=v*w.CrossVV(f,b);b=v*w.CrossVV(b,e);if(r<=0&&t<=0)this.m_count=this.m_v1.a=1;else if(s>0&&r>0&&b<=0){x=1/(s+r);this.m_v1.a=s*x;this.m_v2.a=r*x;this.m_count=2}else if(x>0&&t>0&&f<=0){s=1/(x+t);this.m_v1.a=x*s;this.m_v3.a=t*s;this.m_count=2;this.m_v2.Set(this.m_v3)}else if(s<=0&&J<=0){this.m_count=
-this.m_v2.a=1;this.m_v1.Set(this.m_v2)}else if(x<=0&&C<=0){this.m_count=this.m_v3.a=1;this.m_v1.Set(this.m_v3)}else if(C>0&&J>0&&m<=0){s=1/(C+J);this.m_v2.a=C*s;this.m_v3.a=J*s;this.m_count=2;this.m_v1.Set(this.m_v3)}else{s=1/(m+f+b);this.m_v1.a=m*s;this.m_v2.a=f*s;this.m_v3.a=b*s;this.m_count=3}};l.b2SimplexCache=function(){this.indexA=new Vector_a2j_Number(3);this.indexB=new Vector_a2j_Number(3)};j.b2SimplexVertex=function(){};j.prototype.Set=function(b){this.wA.SetV(b.wA);this.wB.SetV(b.wB);this.w.SetV(b.w);
-this.a=b.a;this.indexA=b.indexA;this.indexB=b.indexB};o.b2TimeOfImpact=function(){};o.TimeOfImpact=function(b){++o.b2_toiCalls;var e=b.proxyA,f=b.proxyB,m=b.sweepA,r=b.sweepB;y.b2Assert(m.t0==r.t0);y.b2Assert(1-m.t0>Number.MIN_VALUE);var s=e.m_radius+f.m_radius;b=b.tolerance;var v=0,t=0,x=0;o.s_cache.count=0;for(o.s_distanceInput.useRadii=false;;){m.GetTransform(o.s_xfA,v);r.GetTransform(o.s_xfB,v);o.s_distanceInput.proxyA=e;o.s_distanceInput.proxyB=f;o.s_distanceInput.transformA=o.s_xfA;o.s_distanceInput.transformB=
-o.s_xfB;W.Distance(o.s_distanceOutput,o.s_cache,o.s_distanceInput);if(o.s_distanceOutput.distance<=0){v=1;break}o.s_fcn.Initialize(o.s_cache,e,o.s_xfA,f,o.s_xfB);var C=o.s_fcn.Evaluate(o.s_xfA,o.s_xfB);if(C<=0){v=1;break}if(t==0)x=C>s?w.Max(s-b,0.75*s):w.Max(C-b,0.02*s);if(C-x<0.5*b){if(t==0){v=1;break}break}var J=v,T=v,P=1;C=C;m.GetTransform(o.s_xfA,P);r.GetTransform(o.s_xfB,P);var X=o.s_fcn.Evaluate(o.s_xfA,o.s_xfB);if(X>=x){v=1;break}for(var $=0;;){var ba=0;ba=$&1?T+(x-C)*(P-T)/(X-C):0.5*(T+P);
-m.GetTransform(o.s_xfA,ba);r.GetTransform(o.s_xfB,ba);var ca=o.s_fcn.Evaluate(o.s_xfA,o.s_xfB);if(w.Abs(ca-x)<0.025*b){J=ba;break}if(ca>x){T=ba;C=ca}else{P=ba;X=ca}++$;++o.b2_toiRootIters;if($==50)break}o.b2_toiMaxRootIters=w.Max(o.b2_toiMaxRootIters,$);if(J<(1+100*Number.MIN_VALUE)*v)break;v=J;t++;++o.b2_toiIters;if(t==1E3)break}o.b2_toiMaxIters=w.Max(o.b2_toiMaxIters,t);return v};Box2D.postDefs.push(function(){Box2D.Collision.b2TimeOfImpact.b2_toiCalls=0;Box2D.Collision.b2TimeOfImpact.b2_toiIters=
-0;Box2D.Collision.b2TimeOfImpact.b2_toiMaxIters=0;Box2D.Collision.b2TimeOfImpact.b2_toiRootIters=0;Box2D.Collision.b2TimeOfImpact.b2_toiMaxRootIters=0;Box2D.Collision.b2TimeOfImpact.s_cache=new l;Box2D.Collision.b2TimeOfImpact.s_distanceInput=new Y;Box2D.Collision.b2TimeOfImpact.s_xfA=new U;Box2D.Collision.b2TimeOfImpact.s_xfB=new U;Box2D.Collision.b2TimeOfImpact.s_fcn=new d;Box2D.Collision.b2TimeOfImpact.s_distanceOutput=new k});q.b2TOIInput=function(){this.proxyA=new z;this.proxyB=new z;this.sweepA=
-new A;this.sweepB=new A};n.b2WorldManifold=function(){this.m_normal=new p};n.prototype.b2WorldManifold=function(){this.m_points=new Vector(y.b2_maxManifoldPoints);for(var b=0;b<y.b2_maxManifoldPoints;b++)this.m_points[b]=new p};n.prototype.Initialize=function(b,e,f,m,r){if(f===undefined)f=0;if(r===undefined)r=0;if(b.m_pointCount!=0){var s=0,v,t,x=0,C=0,J=0,T=0,P=0;v=0;switch(b.m_type){case E.e_circles:t=e.R;v=b.m_localPoint;s=e.position.x+t.col1.x*v.x+t.col2.x*v.y;e=e.position.y+t.col1.y*v.x+t.col2.y*
-v.y;t=m.R;v=b.m_points[0].m_localPoint;b=m.position.x+t.col1.x*v.x+t.col2.x*v.y;m=m.position.y+t.col1.y*v.x+t.col2.y*v.y;v=b-s;t=m-e;x=v*v+t*t;if(x>Number.MIN_VALUE*Number.MIN_VALUE){x=Math.sqrt(x);this.m_normal.x=v/x;this.m_normal.y=t/x}else{this.m_normal.x=1;this.m_normal.y=0}v=e+f*this.m_normal.y;m=m-r*this.m_normal.y;this.m_points[0].x=0.5*(s+f*this.m_normal.x+(b-r*this.m_normal.x));this.m_points[0].y=0.5*(v+m);break;case E.e_faceA:t=e.R;v=b.m_localPlaneNormal;x=t.col1.x*v.x+t.col2.x*v.y;C=t.col1.y*
-v.x+t.col2.y*v.y;t=e.R;v=b.m_localPoint;J=e.position.x+t.col1.x*v.x+t.col2.x*v.y;T=e.position.y+t.col1.y*v.x+t.col2.y*v.y;this.m_normal.x=x;this.m_normal.y=C;for(s=0;s<b.m_pointCount;s++){t=m.R;v=b.m_points[s].m_localPoint;P=m.position.x+t.col1.x*v.x+t.col2.x*v.y;v=m.position.y+t.col1.y*v.x+t.col2.y*v.y;this.m_points[s].x=P+0.5*(f-(P-J)*x-(v-T)*C-r)*x;this.m_points[s].y=v+0.5*(f-(P-J)*x-(v-T)*C-r)*C}break;case E.e_faceB:t=m.R;v=b.m_localPlaneNormal;x=t.col1.x*v.x+t.col2.x*v.y;C=t.col1.y*v.x+t.col2.y*
-v.y;t=m.R;v=b.m_localPoint;J=m.position.x+t.col1.x*v.x+t.col2.x*v.y;T=m.position.y+t.col1.y*v.x+t.col2.y*v.y;this.m_normal.x=-x;this.m_normal.y=-C;for(s=0;s<b.m_pointCount;s++){t=e.R;v=b.m_points[s].m_localPoint;P=e.position.x+t.col1.x*v.x+t.col2.x*v.y;v=e.position.y+t.col1.y*v.x+t.col2.y*v.y;this.m_points[s].x=P+0.5*(r-(P-J)*x-(v-T)*C-f)*x;this.m_points[s].y=v+0.5*(r-(P-J)*x-(v-T)*C-f)*C}}}};a.ClipVertex=function(){this.v=new p;this.id=new L};a.prototype.Set=function(b){this.v.SetV(b.v);this.id.Set(b.id)};
-c.Features=function(){};Object.defineProperty(c.prototype,"referenceEdge",{enumerable:false,configurable:true,get:function(){return this._referenceEdge}});Object.defineProperty(c.prototype,"referenceEdge",{enumerable:false,configurable:true,set:function(b){if(b===undefined)b=0;this._referenceEdge=b;this._m_id._key=this._m_id._key&4294967040|this._referenceEdge&255}});Object.defineProperty(c.prototype,"incidentEdge",{enumerable:false,configurable:true,get:function(){return this._incidentEdge}});Object.defineProperty(c.prototype,
-"incidentEdge",{enumerable:false,configurable:true,set:function(b){if(b===undefined)b=0;this._incidentEdge=b;this._m_id._key=this._m_id._key&4294902015|this._incidentEdge<<8&65280}});Object.defineProperty(c.prototype,"incidentVertex",{enumerable:false,configurable:true,get:function(){return this._incidentVertex}});Object.defineProperty(c.prototype,"incidentVertex",{enumerable:false,configurable:true,set:function(b){if(b===undefined)b=0;this._incidentVertex=b;this._m_id._key=this._m_id._key&4278255615|
-this._incidentVertex<<16&16711680}});Object.defineProperty(c.prototype,"flip",{enumerable:false,configurable:true,get:function(){return this._flip}});Object.defineProperty(c.prototype,"flip",{enumerable:false,configurable:true,set:function(b){if(b===undefined)b=0;this._flip=b;this._m_id._key=this._m_id._key&16777215|this._flip<<24&4278190080}})})();
-(function(){var F=Box2D.Common.b2Settings,G=Box2D.Collision.Shapes.b2CircleShape,K=Box2D.Collision.Shapes.b2EdgeChainDef,y=Box2D.Collision.Shapes.b2EdgeShape,w=Box2D.Collision.Shapes.b2MassData,A=Box2D.Collision.Shapes.b2PolygonShape,U=Box2D.Collision.Shapes.b2Shape,p=Box2D.Common.Math.b2Mat22,B=Box2D.Common.Math.b2Math,Q=Box2D.Common.Math.b2Transform,V=Box2D.Common.Math.b2Vec2,M=Box2D.Collision.b2Distance,L=Box2D.Collision.b2DistanceInput,I=Box2D.Collision.b2DistanceOutput,W=Box2D.Collision.b2DistanceProxy,
-Y=Box2D.Collision.b2SimplexCache;Box2D.inherit(G,Box2D.Collision.Shapes.b2Shape);G.prototype.__super=Box2D.Collision.Shapes.b2Shape.prototype;G.b2CircleShape=function(){Box2D.Collision.Shapes.b2Shape.b2Shape.apply(this,arguments);this.m_p=new V};G.prototype.Copy=function(){var k=new G;k.Set(this);return k};G.prototype.Set=function(k){this.__super.Set.call(this,k);if(Box2D.is(k,G))this.m_p.SetV((k instanceof G?k:null).m_p)};G.prototype.TestPoint=function(k,z){var u=k.R,D=k.position.x+(u.col1.x*this.m_p.x+
-u.col2.x*this.m_p.y);u=k.position.y+(u.col1.y*this.m_p.x+u.col2.y*this.m_p.y);D=z.x-D;u=z.y-u;return D*D+u*u<=this.m_radius*this.m_radius};G.prototype.RayCast=function(k,z,u){var D=u.R,H=z.p1.x-(u.position.x+(D.col1.x*this.m_p.x+D.col2.x*this.m_p.y));u=z.p1.y-(u.position.y+(D.col1.y*this.m_p.x+D.col2.y*this.m_p.y));D=z.p2.x-z.p1.x;var O=z.p2.y-z.p1.y,E=H*D+u*O,R=D*D+O*O,N=E*E-R*(H*H+u*u-this.m_radius*this.m_radius);if(N<0||R<Number.MIN_VALUE)return false;E=-(E+Math.sqrt(N));if(0<=E&&E<=z.maxFraction*
-R){E/=R;k.fraction=E;k.normal.x=H+E*D;k.normal.y=u+E*O;k.normal.Normalize();return true}return false};G.prototype.ComputeAABB=function(k,z){var u=z.R,D=z.position.x+(u.col1.x*this.m_p.x+u.col2.x*this.m_p.y);u=z.position.y+(u.col1.y*this.m_p.x+u.col2.y*this.m_p.y);k.lowerBound.Set(D-this.m_radius,u-this.m_radius);k.upperBound.Set(D+this.m_radius,u+this.m_radius)};G.prototype.ComputeMass=function(k,z){if(z===undefined)z=0;k.mass=z*F.b2_pi*this.m_radius*this.m_radius;k.center.SetV(this.m_p);k.I=k.mass*
-(0.5*this.m_radius*this.m_radius+(this.m_p.x*this.m_p.x+this.m_p.y*this.m_p.y))};G.prototype.ComputeSubmergedArea=function(k,z,u,D){if(z===undefined)z=0;u=B.MulX(u,this.m_p);var H=-(B.Dot(k,u)-z);if(H<-this.m_radius+Number.MIN_VALUE)return 0;if(H>this.m_radius){D.SetV(u);return Math.PI*this.m_radius*this.m_radius}z=this.m_radius*this.m_radius;var O=H*H;H=z*(Math.asin(H/this.m_radius)+Math.PI/2)+H*Math.sqrt(z-O);z=-2/3*Math.pow(z-O,1.5)/H;D.x=u.x+k.x*z;D.y=u.y+k.y*z;return H};G.prototype.GetLocalPosition=
-function(){return this.m_p};G.prototype.SetLocalPosition=function(k){this.m_p.SetV(k)};G.prototype.GetRadius=function(){return this.m_radius};G.prototype.SetRadius=function(k){if(k===undefined)k=0;this.m_radius=k};G.prototype.b2CircleShape=function(k){if(k===undefined)k=0;this.__super.b2Shape.call(this);this.m_type=U.e_circleShape;this.m_radius=k};K.b2EdgeChainDef=function(){};K.prototype.b2EdgeChainDef=function(){this.vertexCount=0;this.isALoop=true;this.vertices=[]};Box2D.inherit(y,Box2D.Collision.Shapes.b2Shape);
-y.prototype.__super=Box2D.Collision.Shapes.b2Shape.prototype;y.b2EdgeShape=function(){Box2D.Collision.Shapes.b2Shape.b2Shape.apply(this,arguments);this.s_supportVec=new V;this.m_v1=new V;this.m_v2=new V;this.m_coreV1=new V;this.m_coreV2=new V;this.m_normal=new V;this.m_direction=new V;this.m_cornerDir1=new V;this.m_cornerDir2=new V};y.prototype.TestPoint=function(){return false};y.prototype.RayCast=function(k,z,u){var D,H=z.p2.x-z.p1.x,O=z.p2.y-z.p1.y;D=u.R;var E=u.position.x+(D.col1.x*this.m_v1.x+
-D.col2.x*this.m_v1.y),R=u.position.y+(D.col1.y*this.m_v1.x+D.col2.y*this.m_v1.y),N=u.position.y+(D.col1.y*this.m_v2.x+D.col2.y*this.m_v2.y)-R;u=-(u.position.x+(D.col1.x*this.m_v2.x+D.col2.x*this.m_v2.y)-E);D=100*Number.MIN_VALUE;var S=-(H*N+O*u);if(S>D){E=z.p1.x-E;var aa=z.p1.y-R;R=E*N+aa*u;if(0<=R&&R<=z.maxFraction*S){z=-H*aa+O*E;if(-D*S<=z&&z<=S*(1+D)){R/=S;k.fraction=R;z=Math.sqrt(N*N+u*u);k.normal.x=N/z;k.normal.y=u/z;return true}}}return false};y.prototype.ComputeAABB=function(k,z){var u=z.R,
-D=z.position.x+(u.col1.x*this.m_v1.x+u.col2.x*this.m_v1.y),H=z.position.y+(u.col1.y*this.m_v1.x+u.col2.y*this.m_v1.y),O=z.position.x+(u.col1.x*this.m_v2.x+u.col2.x*this.m_v2.y);u=z.position.y+(u.col1.y*this.m_v2.x+u.col2.y*this.m_v2.y);if(D<O){k.lowerBound.x=D;k.upperBound.x=O}else{k.lowerBound.x=O;k.upperBound.x=D}if(H<u){k.lowerBound.y=H;k.upperBound.y=u}else{k.lowerBound.y=u;k.upperBound.y=H}};y.prototype.ComputeMass=function(k){k.mass=0;k.center.SetV(this.m_v1);k.I=0};y.prototype.ComputeSubmergedArea=
-function(k,z,u,D){if(z===undefined)z=0;var H=new V(k.x*z,k.y*z),O=B.MulX(u,this.m_v1);u=B.MulX(u,this.m_v2);var E=B.Dot(k,O)-z;k=B.Dot(k,u)-z;if(E>0)if(k>0)return 0;else{O.x=-k/(E-k)*O.x+E/(E-k)*u.x;O.y=-k/(E-k)*O.y+E/(E-k)*u.y}else if(k>0){u.x=-k/(E-k)*O.x+E/(E-k)*u.x;u.y=-k/(E-k)*O.y+E/(E-k)*u.y}D.x=(H.x+O.x+u.x)/3;D.y=(H.y+O.y+u.y)/3;return 0.5*((O.x-H.x)*(u.y-H.y)-(O.y-H.y)*(u.x-H.x))};y.prototype.GetLength=function(){return this.m_length};y.prototype.GetVertex1=function(){return this.m_v1};y.prototype.GetVertex2=
-function(){return this.m_v2};y.prototype.GetCoreVertex1=function(){return this.m_coreV1};y.prototype.GetCoreVertex2=function(){return this.m_coreV2};y.prototype.GetNormalVector=function(){return this.m_normal};y.prototype.GetDirectionVector=function(){return this.m_direction};y.prototype.GetCorner1Vector=function(){return this.m_cornerDir1};y.prototype.GetCorner2Vector=function(){return this.m_cornerDir2};y.prototype.Corner1IsConvex=function(){return this.m_cornerConvex1};y.prototype.Corner2IsConvex=
-function(){return this.m_cornerConvex2};y.prototype.GetFirstVertex=function(k){var z=k.R;return new V(k.position.x+(z.col1.x*this.m_coreV1.x+z.col2.x*this.m_coreV1.y),k.position.y+(z.col1.y*this.m_coreV1.x+z.col2.y*this.m_coreV1.y))};y.prototype.GetNextEdge=function(){return this.m_nextEdge};y.prototype.GetPrevEdge=function(){return this.m_prevEdge};y.prototype.Support=function(k,z,u){if(z===undefined)z=0;if(u===undefined)u=0;var D=k.R,H=k.position.x+(D.col1.x*this.m_coreV1.x+D.col2.x*this.m_coreV1.y),
-O=k.position.y+(D.col1.y*this.m_coreV1.x+D.col2.y*this.m_coreV1.y),E=k.position.x+(D.col1.x*this.m_coreV2.x+D.col2.x*this.m_coreV2.y);k=k.position.y+(D.col1.y*this.m_coreV2.x+D.col2.y*this.m_coreV2.y);if(H*z+O*u>E*z+k*u){this.s_supportVec.x=H;this.s_supportVec.y=O}else{this.s_supportVec.x=E;this.s_supportVec.y=k}return this.s_supportVec};y.prototype.b2EdgeShape=function(k,z){this.__super.b2Shape.call(this);this.m_type=U.e_edgeShape;this.m_nextEdge=this.m_prevEdge=null;this.m_v1=k;this.m_v2=z;this.m_direction.Set(this.m_v2.x-
-this.m_v1.x,this.m_v2.y-this.m_v1.y);this.m_length=this.m_direction.Normalize();this.m_normal.Set(this.m_direction.y,-this.m_direction.x);this.m_coreV1.Set(-F.b2_toiSlop*(this.m_normal.x-this.m_direction.x)+this.m_v1.x,-F.b2_toiSlop*(this.m_normal.y-this.m_direction.y)+this.m_v1.y);this.m_coreV2.Set(-F.b2_toiSlop*(this.m_normal.x+this.m_direction.x)+this.m_v2.x,-F.b2_toiSlop*(this.m_normal.y+this.m_direction.y)+this.m_v2.y);this.m_cornerDir1=this.m_normal;this.m_cornerDir2.Set(-this.m_normal.x,-this.m_normal.y)};
-y.prototype.SetPrevEdge=function(k,z,u,D){this.m_prevEdge=k;this.m_coreV1=z;this.m_cornerDir1=u;this.m_cornerConvex1=D};y.prototype.SetNextEdge=function(k,z,u,D){this.m_nextEdge=k;this.m_coreV2=z;this.m_cornerDir2=u;this.m_cornerConvex2=D};w.b2MassData=function(){this.mass=0;this.center=new V(0,0);this.I=0};Box2D.inherit(A,Box2D.Collision.Shapes.b2Shape);A.prototype.__super=Box2D.Collision.Shapes.b2Shape.prototype;A.b2PolygonShape=function(){Box2D.Collision.Shapes.b2Shape.b2Shape.apply(this,arguments)};
-A.prototype.Copy=function(){var k=new A;k.Set(this);return k};A.prototype.Set=function(k){this.__super.Set.call(this,k);if(Box2D.is(k,A)){k=k instanceof A?k:null;this.m_centroid.SetV(k.m_centroid);this.m_vertexCount=k.m_vertexCount;this.Reserve(this.m_vertexCount);for(var z=0;z<this.m_vertexCount;z++){this.m_vertices[z].SetV(k.m_vertices[z]);this.m_normals[z].SetV(k.m_normals[z])}}};A.prototype.SetAsArray=function(k,z){if(z===undefined)z=0;var u=new Vector,D=0,H;for(D=0;D<k.length;++D){H=k[D];u.push(H)}this.SetAsVector(u,
-z)};A.AsArray=function(k,z){if(z===undefined)z=0;var u=new A;u.SetAsArray(k,z);return u};A.prototype.SetAsVector=function(k,z){if(z===undefined)z=0;if(z==0)z=k.length;F.b2Assert(2<=z);this.m_vertexCount=z;this.Reserve(z);var u=0;for(u=0;u<this.m_vertexCount;u++)this.m_vertices[u].SetV(k[u]);for(u=0;u<this.m_vertexCount;++u){var D=parseInt(u),H=parseInt(u+1<this.m_vertexCount?u+1:0);D=B.SubtractVV(this.m_vertices[H],this.m_vertices[D]);F.b2Assert(D.LengthSquared()>Number.MIN_VALUE);this.m_normals[u].SetV(B.CrossVF(D,
-1));this.m_normals[u].Normalize()}this.m_centroid=A.ComputeCentroid(this.m_vertices,this.m_vertexCount)};A.AsVector=function(k,z){if(z===undefined)z=0;var u=new A;u.SetAsVector(k,z);return u};A.prototype.SetAsBox=function(k,z){if(k===undefined)k=0;if(z===undefined)z=0;this.m_vertexCount=4;this.Reserve(4);this.m_vertices[0].Set(-k,-z);this.m_vertices[1].Set(k,-z);this.m_vertices[2].Set(k,z);this.m_vertices[3].Set(-k,z);this.m_normals[0].Set(0,-1);this.m_normals[1].Set(1,0);this.m_normals[2].Set(0,
-1);this.m_normals[3].Set(-1,0);this.m_centroid.SetZero()};A.AsBox=function(k,z){if(k===undefined)k=0;if(z===undefined)z=0;var u=new A;u.SetAsBox(k,z);return u};A.prototype.SetAsOrientedBox=function(k,z,u,D){if(k===undefined)k=0;if(z===undefined)z=0;if(u===undefined)u=null;if(D===undefined)D=0;this.m_vertexCount=4;this.Reserve(4);this.m_vertices[0].Set(-k,-z);this.m_vertices[1].Set(k,-z);this.m_vertices[2].Set(k,z);this.m_vertices[3].Set(-k,z);this.m_normals[0].Set(0,-1);this.m_normals[1].Set(1,0);
-this.m_normals[2].Set(0,1);this.m_normals[3].Set(-1,0);this.m_centroid=u;k=new Q;k.position=u;k.R.Set(D);for(u=0;u<this.m_vertexCount;++u){this.m_vertices[u]=B.MulX(k,this.m_vertices[u]);this.m_normals[u]=B.MulMV(k.R,this.m_normals[u])}};A.AsOrientedBox=function(k,z,u,D){if(k===undefined)k=0;if(z===undefined)z=0;if(u===undefined)u=null;if(D===undefined)D=0;var H=new A;H.SetAsOrientedBox(k,z,u,D);return H};A.prototype.SetAsEdge=function(k,z){this.m_vertexCount=2;this.Reserve(2);this.m_vertices[0].SetV(k);
-this.m_vertices[1].SetV(z);this.m_centroid.x=0.5*(k.x+z.x);this.m_centroid.y=0.5*(k.y+z.y);this.m_normals[0]=B.CrossVF(B.SubtractVV(z,k),1);this.m_normals[0].Normalize();this.m_normals[1].x=-this.m_normals[0].x;this.m_normals[1].y=-this.m_normals[0].y};A.AsEdge=function(k,z){var u=new A;u.SetAsEdge(k,z);return u};A.prototype.TestPoint=function(k,z){var u;u=k.R;for(var D=z.x-k.position.x,H=z.y-k.position.y,O=D*u.col1.x+H*u.col1.y,E=D*u.col2.x+H*u.col2.y,R=0;R<this.m_vertexCount;++R){u=this.m_vertices[R];
-D=O-u.x;H=E-u.y;u=this.m_normals[R];if(u.x*D+u.y*H>0)return false}return true};A.prototype.RayCast=function(k,z,u){var D=0,H=z.maxFraction,O=0,E=0,R,N;O=z.p1.x-u.position.x;E=z.p1.y-u.position.y;R=u.R;var S=O*R.col1.x+E*R.col1.y,aa=O*R.col2.x+E*R.col2.y;O=z.p2.x-u.position.x;E=z.p2.y-u.position.y;R=u.R;z=O*R.col1.x+E*R.col1.y-S;R=O*R.col2.x+E*R.col2.y-aa;for(var Z=parseInt(-1),d=0;d<this.m_vertexCount;++d){N=this.m_vertices[d];O=N.x-S;E=N.y-aa;N=this.m_normals[d];O=N.x*O+N.y*E;E=N.x*z+N.y*R;if(E==
-0){if(O<0)return false}else if(E<0&&O<D*E){D=O/E;Z=d}else if(E>0&&O<H*E)H=O/E;if(H<D-Number.MIN_VALUE)return false}if(Z>=0){k.fraction=D;R=u.R;N=this.m_normals[Z];k.normal.x=R.col1.x*N.x+R.col2.x*N.y;k.normal.y=R.col1.y*N.x+R.col2.y*N.y;return true}return false};A.prototype.ComputeAABB=function(k,z){for(var u=z.R,D=this.m_vertices[0],H=z.position.x+(u.col1.x*D.x+u.col2.x*D.y),O=z.position.y+(u.col1.y*D.x+u.col2.y*D.y),E=H,R=O,N=1;N<this.m_vertexCount;++N){D=this.m_vertices[N];var S=z.position.x+(u.col1.x*
-D.x+u.col2.x*D.y);D=z.position.y+(u.col1.y*D.x+u.col2.y*D.y);H=H<S?H:S;O=O<D?O:D;E=E>S?E:S;R=R>D?R:D}k.lowerBound.x=H-this.m_radius;k.lowerBound.y=O-this.m_radius;k.upperBound.x=E+this.m_radius;k.upperBound.y=R+this.m_radius};A.prototype.ComputeMass=function(k,z){if(z===undefined)z=0;if(this.m_vertexCount==2){k.center.x=0.5*(this.m_vertices[0].x+this.m_vertices[1].x);k.center.y=0.5*(this.m_vertices[0].y+this.m_vertices[1].y);k.mass=0;k.I=0}else{for(var u=0,D=0,H=0,O=0,E=1/3,R=0;R<this.m_vertexCount;++R){var N=
-this.m_vertices[R],S=R+1<this.m_vertexCount?this.m_vertices[parseInt(R+1)]:this.m_vertices[0],aa=N.x-0,Z=N.y-0,d=S.x-0,h=S.y-0,l=aa*h-Z*d,j=0.5*l;H+=j;u+=j*E*(0+N.x+S.x);D+=j*E*(0+N.y+S.y);N=aa;Z=Z;d=d;h=h;O+=l*(E*(0.25*(N*N+d*N+d*d)+(0*N+0*d))+0+(E*(0.25*(Z*Z+h*Z+h*h)+(0*Z+0*h))+0))}k.mass=z*H;u*=1/H;D*=1/H;k.center.Set(u,D);k.I=z*O}};A.prototype.ComputeSubmergedArea=function(k,z,u,D){if(z===undefined)z=0;var H=B.MulTMV(u.R,k),O=z-B.Dot(k,u.position),E=new Vector_a2j_Number,R=0,N=parseInt(-1);z=
-parseInt(-1);var S=false;for(k=k=0;k<this.m_vertexCount;++k){E[k]=B.Dot(H,this.m_vertices[k])-O;var aa=E[k]<-Number.MIN_VALUE;if(k>0)if(aa){if(!S){N=k-1;R++}}else if(S){z=k-1;R++}S=aa}switch(R){case 0:if(S){k=new w;this.ComputeMass(k,1);D.SetV(B.MulX(u,k.center));return k.mass}else return 0;case 1:if(N==-1)N=this.m_vertexCount-1;else z=this.m_vertexCount-1}k=parseInt((N+1)%this.m_vertexCount);H=parseInt((z+1)%this.m_vertexCount);O=(0-E[N])/(E[k]-E[N]);E=(0-E[z])/(E[H]-E[z]);N=new V(this.m_vertices[N].x*
-(1-O)+this.m_vertices[k].x*O,this.m_vertices[N].y*(1-O)+this.m_vertices[k].y*O);z=new V(this.m_vertices[z].x*(1-E)+this.m_vertices[H].x*E,this.m_vertices[z].y*(1-E)+this.m_vertices[H].y*E);E=0;O=new V;R=this.m_vertices[k];for(k=k;k!=H;){k=(k+1)%this.m_vertexCount;S=k==H?z:this.m_vertices[k];aa=0.5*((R.x-N.x)*(S.y-N.y)-(R.y-N.y)*(S.x-N.x));E+=aa;O.x+=aa*(N.x+R.x+S.x)/3;O.y+=aa*(N.y+R.y+S.y)/3;R=S}O.Multiply(1/E);D.SetV(B.MulX(u,O));return E};A.prototype.GetVertexCount=function(){return this.m_vertexCount};
-A.prototype.GetVertices=function(){return this.m_vertices};A.prototype.GetNormals=function(){return this.m_normals};A.prototype.GetSupport=function(k){for(var z=0,u=this.m_vertices[0].x*k.x+this.m_vertices[0].y*k.y,D=1;D<this.m_vertexCount;++D){var H=this.m_vertices[D].x*k.x+this.m_vertices[D].y*k.y;if(H>u){z=D;u=H}}return z};A.prototype.GetSupportVertex=function(k){for(var z=0,u=this.m_vertices[0].x*k.x+this.m_vertices[0].y*k.y,D=1;D<this.m_vertexCount;++D){var H=this.m_vertices[D].x*k.x+this.m_vertices[D].y*
-k.y;if(H>u){z=D;u=H}}return this.m_vertices[z]};A.prototype.Validate=function(){return false};A.prototype.b2PolygonShape=function(){this.__super.b2Shape.call(this);this.m_type=U.e_polygonShape;this.m_centroid=new V;this.m_vertices=new Vector;this.m_normals=new Vector};A.prototype.Reserve=function(k){if(k===undefined)k=0;for(var z=parseInt(this.m_vertices.length);z<k;z++){this.m_vertices[z]=new V;this.m_normals[z]=new V}};A.ComputeCentroid=function(k,z){if(z===undefined)z=0;for(var u=new V,D=0,H=1/
-3,O=0;O<z;++O){var E=k[O],R=O+1<z?k[parseInt(O+1)]:k[0],N=0.5*((E.x-0)*(R.y-0)-(E.y-0)*(R.x-0));D+=N;u.x+=N*H*(0+E.x+R.x);u.y+=N*H*(0+E.y+R.y)}u.x*=1/D;u.y*=1/D;return u};A.ComputeOBB=function(k,z,u){if(u===undefined)u=0;var D=0,H=new Vector(u+1);for(D=0;D<u;++D)H[D]=z[D];H[u]=H[0];z=Number.MAX_VALUE;for(D=1;D<=u;++D){var O=H[parseInt(D-1)],E=H[D].x-O.x,R=H[D].y-O.y,N=Math.sqrt(E*E+R*R);E/=N;R/=N;for(var S=-R,aa=E,Z=N=Number.MAX_VALUE,d=-Number.MAX_VALUE,h=-Number.MAX_VALUE,l=0;l<u;++l){var j=H[l].x-
-O.x,o=H[l].y-O.y,q=E*j+R*o;j=S*j+aa*o;if(q<N)N=q;if(j<Z)Z=j;if(q>d)d=q;if(j>h)h=j}l=(d-N)*(h-Z);if(l<0.95*z){z=l;k.R.col1.x=E;k.R.col1.y=R;k.R.col2.x=S;k.R.col2.y=aa;E=0.5*(N+d);R=0.5*(Z+h);S=k.R;k.center.x=O.x+(S.col1.x*E+S.col2.x*R);k.center.y=O.y+(S.col1.y*E+S.col2.y*R);k.extents.x=0.5*(d-N);k.extents.y=0.5*(h-Z)}}};Box2D.postDefs.push(function(){Box2D.Collision.Shapes.b2PolygonShape.s_mat=new p});U.b2Shape=function(){};U.prototype.Copy=function(){return null};U.prototype.Set=function(k){this.m_radius=
-k.m_radius};U.prototype.GetType=function(){return this.m_type};U.prototype.TestPoint=function(){return false};U.prototype.RayCast=function(){return false};U.prototype.ComputeAABB=function(){};U.prototype.ComputeMass=function(){};U.prototype.ComputeSubmergedArea=function(){return 0};U.TestOverlap=function(k,z,u,D){var H=new L;H.proxyA=new W;H.proxyA.Set(k);H.proxyB=new W;H.proxyB.Set(u);H.transformA=z;H.transformB=D;H.useRadii=true;k=new Y;k.count=0;z=new I;M.Distance(z,k,H);return z.distance<10*Number.MIN_VALUE};
-U.prototype.b2Shape=function(){this.m_type=U.e_unknownShape;this.m_radius=F.b2_linearSlop};Box2D.postDefs.push(function(){Box2D.Collision.Shapes.b2Shape.e_unknownShape=parseInt(-1);Box2D.Collision.Shapes.b2Shape.e_circleShape=0;Box2D.Collision.Shapes.b2Shape.e_polygonShape=1;Box2D.Collision.Shapes.b2Shape.e_edgeShape=2;Box2D.Collision.Shapes.b2Shape.e_shapeTypeCount=3;Box2D.Collision.Shapes.b2Shape.e_hitCollide=1;Box2D.Collision.Shapes.b2Shape.e_missCollide=0;Box2D.Collision.Shapes.b2Shape.e_startsInsideCollide=
-parseInt(-1)})})();
-(function(){var F=Box2D.Common.b2Color,G=Box2D.Common.b2Settings,K=Box2D.Common.Math.b2Math;F.b2Color=function(){this._b=this._g=this._r=0};F.prototype.b2Color=function(y,w,A){if(y===undefined)y=0;if(w===undefined)w=0;if(A===undefined)A=0;this._r=Box2D.parseUInt(255*K.Clamp(y,0,1));this._g=Box2D.parseUInt(255*K.Clamp(w,0,1));this._b=Box2D.parseUInt(255*K.Clamp(A,0,1))};F.prototype.Set=function(y,w,A){if(y===undefined)y=0;if(w===undefined)w=0;if(A===undefined)A=0;this._r=Box2D.parseUInt(255*K.Clamp(y,
-0,1));this._g=Box2D.parseUInt(255*K.Clamp(w,0,1));this._b=Box2D.parseUInt(255*K.Clamp(A,0,1))};Object.defineProperty(F.prototype,"r",{enumerable:false,configurable:true,set:function(y){if(y===undefined)y=0;this._r=Box2D.parseUInt(255*K.Clamp(y,0,1))}});Object.defineProperty(F.prototype,"g",{enumerable:false,configurable:true,set:function(y){if(y===undefined)y=0;this._g=Box2D.parseUInt(255*K.Clamp(y,0,1))}});Object.defineProperty(F.prototype,"b",{enumerable:false,configurable:true,set:function(y){if(y===
-undefined)y=0;this._b=Box2D.parseUInt(255*K.Clamp(y,0,1))}});Object.defineProperty(F.prototype,"color",{enumerable:false,configurable:true,get:function(){return this._r<<16|this._g<<8|this._b}});G.b2Settings=function(){};G.b2MixFriction=function(y,w){if(y===undefined)y=0;if(w===undefined)w=0;return Math.sqrt(y*w)};G.b2MixRestitution=function(y,w){if(y===undefined)y=0;if(w===undefined)w=0;return y>w?y:w};G.b2Assert=function(y){if(!y)throw"Assertion Failed";};Box2D.postDefs.push(function(){Box2D.Common.b2Settings.VERSION=
-"2.1alpha";Box2D.Common.b2Settings.USHRT_MAX=65535;Box2D.Common.b2Settings.b2_pi=Math.PI;Box2D.Common.b2Settings.b2_maxManifoldPoints=2;Box2D.Common.b2Settings.b2_aabbExtension=0.1;Box2D.Common.b2Settings.b2_aabbMultiplier=2;Box2D.Common.b2Settings.b2_polygonRadius=2*G.b2_linearSlop;Box2D.Common.b2Settings.b2_linearSlop=0.0050;Box2D.Common.b2Settings.b2_angularSlop=2/180*G.b2_pi;Box2D.Common.b2Settings.b2_toiSlop=8*G.b2_linearSlop;Box2D.Common.b2Settings.b2_maxTOIContactsPerIsland=32;Box2D.Common.b2Settings.b2_maxTOIJointsPerIsland=
-32;Box2D.Common.b2Settings.b2_velocityThreshold=1;Box2D.Common.b2Settings.b2_maxLinearCorrection=0.2;Box2D.Common.b2Settings.b2_maxAngularCorrection=8/180*G.b2_pi;Box2D.Common.b2Settings.b2_maxTranslation=2;Box2D.Common.b2Settings.b2_maxTranslationSquared=G.b2_maxTranslation*G.b2_maxTranslation;Box2D.Common.b2Settings.b2_maxRotation=0.5*G.b2_pi;Box2D.Common.b2Settings.b2_maxRotationSquared=G.b2_maxRotation*G.b2_maxRotation;Box2D.Common.b2Settings.b2_contactBaumgarte=0.2;Box2D.Common.b2Settings.b2_timeToSleep=
-0.5;Box2D.Common.b2Settings.b2_linearSleepTolerance=0.01;Box2D.Common.b2Settings.b2_angularSleepTolerance=2/180*G.b2_pi})})();
-(function(){var F=Box2D.Common.Math.b2Mat22,G=Box2D.Common.Math.b2Mat33,K=Box2D.Common.Math.b2Math,y=Box2D.Common.Math.b2Sweep,w=Box2D.Common.Math.b2Transform,A=Box2D.Common.Math.b2Vec2,U=Box2D.Common.Math.b2Vec3;F.b2Mat22=function(){this.col1=new A;this.col2=new A};F.prototype.b2Mat22=function(){this.SetIdentity()};F.FromAngle=function(p){if(p===undefined)p=0;var B=new F;B.Set(p);return B};F.FromVV=function(p,B){var Q=new F;Q.SetVV(p,B);return Q};F.prototype.Set=function(p){if(p===undefined)p=0;
-var B=Math.cos(p);p=Math.sin(p);this.col1.x=B;this.col2.x=-p;this.col1.y=p;this.col2.y=B};F.prototype.SetVV=function(p,B){this.col1.SetV(p);this.col2.SetV(B)};F.prototype.Copy=function(){var p=new F;p.SetM(this);return p};F.prototype.SetM=function(p){this.col1.SetV(p.col1);this.col2.SetV(p.col2)};F.prototype.AddM=function(p){this.col1.x+=p.col1.x;this.col1.y+=p.col1.y;this.col2.x+=p.col2.x;this.col2.y+=p.col2.y};F.prototype.SetIdentity=function(){this.col1.x=1;this.col2.x=0;this.col1.y=0;this.col2.y=
-1};F.prototype.SetZero=function(){this.col1.x=0;this.col2.x=0;this.col1.y=0;this.col2.y=0};F.prototype.GetAngle=function(){return Math.atan2(this.col1.y,this.col1.x)};F.prototype.GetInverse=function(p){var B=this.col1.x,Q=this.col2.x,V=this.col1.y,M=this.col2.y,L=B*M-Q*V;if(L!=0)L=1/L;p.col1.x=L*M;p.col2.x=-L*Q;p.col1.y=-L*V;p.col2.y=L*B;return p};F.prototype.Solve=function(p,B,Q){if(B===undefined)B=0;if(Q===undefined)Q=0;var V=this.col1.x,M=this.col2.x,L=this.col1.y,I=this.col2.y,W=V*I-M*L;if(W!=
-0)W=1/W;p.x=W*(I*B-M*Q);p.y=W*(V*Q-L*B);return p};F.prototype.Abs=function(){this.col1.Abs();this.col2.Abs()};G.b2Mat33=function(){this.col1=new U;this.col2=new U;this.col3=new U};G.prototype.b2Mat33=function(p,B,Q){if(p===undefined)p=null;if(B===undefined)B=null;if(Q===undefined)Q=null;if(!p&&!B&&!Q){this.col1.SetZero();this.col2.SetZero();this.col3.SetZero()}else{this.col1.SetV(p);this.col2.SetV(B);this.col3.SetV(Q)}};G.prototype.SetVVV=function(p,B,Q){this.col1.SetV(p);this.col2.SetV(B);this.col3.SetV(Q)};
-G.prototype.Copy=function(){return new G(this.col1,this.col2,this.col3)};G.prototype.SetM=function(p){this.col1.SetV(p.col1);this.col2.SetV(p.col2);this.col3.SetV(p.col3)};G.prototype.AddM=function(p){this.col1.x+=p.col1.x;this.col1.y+=p.col1.y;this.col1.z+=p.col1.z;this.col2.x+=p.col2.x;this.col2.y+=p.col2.y;this.col2.z+=p.col2.z;this.col3.x+=p.col3.x;this.col3.y+=p.col3.y;this.col3.z+=p.col3.z};G.prototype.SetIdentity=function(){this.col1.x=1;this.col2.x=0;this.col3.x=0;this.col1.y=0;this.col2.y=
-1;this.col3.y=0;this.col1.z=0;this.col2.z=0;this.col3.z=1};G.prototype.SetZero=function(){this.col1.x=0;this.col2.x=0;this.col3.x=0;this.col1.y=0;this.col2.y=0;this.col3.y=0;this.col1.z=0;this.col2.z=0;this.col3.z=0};G.prototype.Solve22=function(p,B,Q){if(B===undefined)B=0;if(Q===undefined)Q=0;var V=this.col1.x,M=this.col2.x,L=this.col1.y,I=this.col2.y,W=V*I-M*L;if(W!=0)W=1/W;p.x=W*(I*B-M*Q);p.y=W*(V*Q-L*B);return p};G.prototype.Solve33=function(p,B,Q,V){if(B===undefined)B=0;if(Q===undefined)Q=0;
-if(V===undefined)V=0;var M=this.col1.x,L=this.col1.y,I=this.col1.z,W=this.col2.x,Y=this.col2.y,k=this.col2.z,z=this.col3.x,u=this.col3.y,D=this.col3.z,H=M*(Y*D-k*u)+L*(k*z-W*D)+I*(W*u-Y*z);if(H!=0)H=1/H;p.x=H*(B*(Y*D-k*u)+Q*(k*z-W*D)+V*(W*u-Y*z));p.y=H*(M*(Q*D-V*u)+L*(V*z-B*D)+I*(B*u-Q*z));p.z=H*(M*(Y*V-k*Q)+L*(k*B-W*V)+I*(W*Q-Y*B));return p};K.b2Math=function(){};K.IsValid=function(p){if(p===undefined)p=0;return isFinite(p)};K.Dot=function(p,B){return p.x*B.x+p.y*B.y};K.CrossVV=function(p,B){return p.x*
-B.y-p.y*B.x};K.CrossVF=function(p,B){if(B===undefined)B=0;return new A(B*p.y,-B*p.x)};K.CrossFV=function(p,B){if(p===undefined)p=0;return new A(-p*B.y,p*B.x)};K.MulMV=function(p,B){return new A(p.col1.x*B.x+p.col2.x*B.y,p.col1.y*B.x+p.col2.y*B.y)};K.MulTMV=function(p,B){return new A(K.Dot(B,p.col1),K.Dot(B,p.col2))};K.MulX=function(p,B){var Q=K.MulMV(p.R,B);Q.x+=p.position.x;Q.y+=p.position.y;return Q};K.MulXT=function(p,B){var Q=K.SubtractVV(B,p.position),V=Q.x*p.R.col1.x+Q.y*p.R.col1.y;Q.y=Q.x*
-p.R.col2.x+Q.y*p.R.col2.y;Q.x=V;return Q};K.AddVV=function(p,B){return new A(p.x+B.x,p.y+B.y)};K.SubtractVV=function(p,B){return new A(p.x-B.x,p.y-B.y)};K.Distance=function(p,B){var Q=p.x-B.x,V=p.y-B.y;return Math.sqrt(Q*Q+V*V)};K.DistanceSquared=function(p,B){var Q=p.x-B.x,V=p.y-B.y;return Q*Q+V*V};K.MulFV=function(p,B){if(p===undefined)p=0;return new A(p*B.x,p*B.y)};K.AddMM=function(p,B){return F.FromVV(K.AddVV(p.col1,B.col1),K.AddVV(p.col2,B.col2))};K.MulMM=function(p,B){return F.FromVV(K.MulMV(p,
-B.col1),K.MulMV(p,B.col2))};K.MulTMM=function(p,B){var Q=new A(K.Dot(p.col1,B.col1),K.Dot(p.col2,B.col1)),V=new A(K.Dot(p.col1,B.col2),K.Dot(p.col2,B.col2));return F.FromVV(Q,V)};K.Abs=function(p){if(p===undefined)p=0;return p>0?p:-p};K.AbsV=function(p){return new A(K.Abs(p.x),K.Abs(p.y))};K.AbsM=function(p){return F.FromVV(K.AbsV(p.col1),K.AbsV(p.col2))};K.Min=function(p,B){if(p===undefined)p=0;if(B===undefined)B=0;return p<B?p:B};K.MinV=function(p,B){return new A(K.Min(p.x,B.x),K.Min(p.y,B.y))};
-K.Max=function(p,B){if(p===undefined)p=0;if(B===undefined)B=0;return p>B?p:B};K.MaxV=function(p,B){return new A(K.Max(p.x,B.x),K.Max(p.y,B.y))};K.Clamp=function(p,B,Q){if(p===undefined)p=0;if(B===undefined)B=0;if(Q===undefined)Q=0;return p<B?B:p>Q?Q:p};K.ClampV=function(p,B,Q){return K.MaxV(B,K.MinV(p,Q))};K.Swap=function(p,B){var Q=p[0];p[0]=B[0];B[0]=Q};K.Random=function(){return Math.random()*2-1};K.RandomRange=function(p,B){if(p===undefined)p=0;if(B===undefined)B=0;var Q=Math.random();return Q=
-(B-p)*Q+p};K.NextPowerOfTwo=function(p){if(p===undefined)p=0;p|=p>>1&2147483647;p|=p>>2&1073741823;p|=p>>4&268435455;p|=p>>8&16777215;p|=p>>16&65535;return p+1};K.IsPowerOfTwo=function(p){if(p===undefined)p=0;return p>0&&(p&p-1)==0};Box2D.postDefs.push(function(){Box2D.Common.Math.b2Math.b2Vec2_zero=new A(0,0);Box2D.Common.Math.b2Math.b2Mat22_identity=F.FromVV(new A(1,0),new A(0,1));Box2D.Common.Math.b2Math.b2Transform_identity=new w(K.b2Vec2_zero,K.b2Mat22_identity)});y.b2Sweep=function(){this.localCenter=
-new A;this.c0=new A;this.c=new A};y.prototype.Set=function(p){this.localCenter.SetV(p.localCenter);this.c0.SetV(p.c0);this.c.SetV(p.c);this.a0=p.a0;this.a=p.a;this.t0=p.t0};y.prototype.Copy=function(){var p=new y;p.localCenter.SetV(this.localCenter);p.c0.SetV(this.c0);p.c.SetV(this.c);p.a0=this.a0;p.a=this.a;p.t0=this.t0;return p};y.prototype.GetTransform=function(p,B){if(B===undefined)B=0;p.position.x=(1-B)*this.c0.x+B*this.c.x;p.position.y=(1-B)*this.c0.y+B*this.c.y;p.R.Set((1-B)*this.a0+B*this.a);
-var Q=p.R;p.position.x-=Q.col1.x*this.localCenter.x+Q.col2.x*this.localCenter.y;p.position.y-=Q.col1.y*this.localCenter.x+Q.col2.y*this.localCenter.y};y.prototype.Advance=function(p){if(p===undefined)p=0;if(this.t0<p&&1-this.t0>Number.MIN_VALUE){var B=(p-this.t0)/(1-this.t0);this.c0.x=(1-B)*this.c0.x+B*this.c.x;this.c0.y=(1-B)*this.c0.y+B*this.c.y;this.a0=(1-B)*this.a0+B*this.a;this.t0=p}};w.b2Transform=function(){this.position=new A;this.R=new F};w.prototype.b2Transform=function(p,B){if(p===undefined)p=
-null;if(B===undefined)B=null;if(p){this.position.SetV(p);this.R.SetM(B)}};w.prototype.Initialize=function(p,B){this.position.SetV(p);this.R.SetM(B)};w.prototype.SetIdentity=function(){this.position.SetZero();this.R.SetIdentity()};w.prototype.Set=function(p){this.position.SetV(p.position);this.R.SetM(p.R)};w.prototype.GetAngle=function(){return Math.atan2(this.R.col1.y,this.R.col1.x)};A.b2Vec2=function(){};A.prototype.b2Vec2=function(p,B){if(p===undefined)p=0;if(B===undefined)B=0;this.x=p;this.y=B};
-A.prototype.SetZero=function(){this.y=this.x=0};A.prototype.Set=function(p,B){if(p===undefined)p=0;if(B===undefined)B=0;this.x=p;this.y=B};A.prototype.SetV=function(p){this.x=p.x;this.y=p.y};A.prototype.GetNegative=function(){return new A(-this.x,-this.y)};A.prototype.NegativeSelf=function(){this.x=-this.x;this.y=-this.y};A.Make=function(p,B){if(p===undefined)p=0;if(B===undefined)B=0;return new A(p,B)};A.prototype.Copy=function(){return new A(this.x,this.y)};A.prototype.Add=function(p){this.x+=p.x;
-this.y+=p.y};A.prototype.Subtract=function(p){this.x-=p.x;this.y-=p.y};A.prototype.Multiply=function(p){if(p===undefined)p=0;this.x*=p;this.y*=p};A.prototype.MulM=function(p){var B=this.x;this.x=p.col1.x*B+p.col2.x*this.y;this.y=p.col1.y*B+p.col2.y*this.y};A.prototype.MulTM=function(p){var B=K.Dot(this,p.col1);this.y=K.Dot(this,p.col2);this.x=B};A.prototype.CrossVF=function(p){if(p===undefined)p=0;var B=this.x;this.x=p*this.y;this.y=-p*B};A.prototype.CrossFV=function(p){if(p===undefined)p=0;var B=
-this.x;this.x=-p*this.y;this.y=p*B};A.prototype.MinV=function(p){this.x=this.x<p.x?this.x:p.x;this.y=this.y<p.y?this.y:p.y};A.prototype.MaxV=function(p){this.x=this.x>p.x?this.x:p.x;this.y=this.y>p.y?this.y:p.y};A.prototype.Abs=function(){if(this.x<0)this.x=-this.x;if(this.y<0)this.y=-this.y};A.prototype.Length=function(){return Math.sqrt(this.x*this.x+this.y*this.y)};A.prototype.LengthSquared=function(){return this.x*this.x+this.y*this.y};A.prototype.Normalize=function(){var p=Math.sqrt(this.x*this.x+
-this.y*this.y);if(p<Number.MIN_VALUE)return 0;var B=1/p;this.x*=B;this.y*=B;return p};A.prototype.IsValid=function(){return K.IsValid(this.x)&&K.IsValid(this.y)};U.b2Vec3=function(){};U.prototype.b2Vec3=function(p,B,Q){if(p===undefined)p=0;if(B===undefined)B=0;if(Q===undefined)Q=0;this.x=p;this.y=B;this.z=Q};U.prototype.SetZero=function(){this.x=this.y=this.z=0};U.prototype.Set=function(p,B,Q){if(p===undefined)p=0;if(B===undefined)B=0;if(Q===undefined)Q=0;this.x=p;this.y=B;this.z=Q};U.prototype.SetV=
-function(p){this.x=p.x;this.y=p.y;this.z=p.z};U.prototype.GetNegative=function(){return new U(-this.x,-this.y,-this.z)};U.prototype.NegativeSelf=function(){this.x=-this.x;this.y=-this.y;this.z=-this.z};U.prototype.Copy=function(){return new U(this.x,this.y,this.z)};U.prototype.Add=function(p){this.x+=p.x;this.y+=p.y;this.z+=p.z};U.prototype.Subtract=function(p){this.x-=p.x;this.y-=p.y;this.z-=p.z};U.prototype.Multiply=function(p){if(p===undefined)p=0;this.x*=p;this.y*=p;this.z*=p}})();
-(function(){var F=Box2D.Common.Math.b2Math,G=Box2D.Common.Math.b2Sweep,K=Box2D.Common.Math.b2Transform,y=Box2D.Common.Math.b2Vec2,w=Box2D.Common.b2Color,A=Box2D.Common.b2Settings,U=Box2D.Collision.b2AABB,p=Box2D.Collision.b2ContactPoint,B=Box2D.Collision.b2DynamicTreeBroadPhase,Q=Box2D.Collision.b2RayCastInput,V=Box2D.Collision.b2RayCastOutput,M=Box2D.Collision.Shapes.b2CircleShape,L=Box2D.Collision.Shapes.b2EdgeShape,I=Box2D.Collision.Shapes.b2MassData,W=Box2D.Collision.Shapes.b2PolygonShape,Y=Box2D.Collision.Shapes.b2Shape,
-k=Box2D.Dynamics.b2Body,z=Box2D.Dynamics.b2BodyDef,u=Box2D.Dynamics.b2ContactFilter,D=Box2D.Dynamics.b2ContactImpulse,H=Box2D.Dynamics.b2ContactListener,O=Box2D.Dynamics.b2ContactManager,E=Box2D.Dynamics.b2DebugDraw,R=Box2D.Dynamics.b2DestructionListener,N=Box2D.Dynamics.b2FilterData,S=Box2D.Dynamics.b2Fixture,aa=Box2D.Dynamics.b2FixtureDef,Z=Box2D.Dynamics.b2Island,d=Box2D.Dynamics.b2TimeStep,h=Box2D.Dynamics.b2World,l=Box2D.Dynamics.Contacts.b2Contact,j=Box2D.Dynamics.Contacts.b2ContactFactory,
-o=Box2D.Dynamics.Contacts.b2ContactSolver,q=Box2D.Dynamics.Joints.b2Joint,n=Box2D.Dynamics.Joints.b2PulleyJoint;k.b2Body=function(){this.m_xf=new K;this.m_sweep=new G;this.m_linearVelocity=new y;this.m_force=new y};k.prototype.connectEdges=function(a,c,g){if(g===undefined)g=0;var b=Math.atan2(c.GetDirectionVector().y,c.GetDirectionVector().x);g=F.MulFV(Math.tan((b-g)*0.5),c.GetDirectionVector());g=F.SubtractVV(g,c.GetNormalVector());g=F.MulFV(A.b2_toiSlop,g);g=F.AddVV(g,c.GetVertex1());var e=F.AddVV(a.GetDirectionVector(),
-c.GetDirectionVector());e.Normalize();var f=F.Dot(a.GetDirectionVector(),c.GetNormalVector())>0;a.SetNextEdge(c,g,e,f);c.SetPrevEdge(a,g,e,f);return b};k.prototype.CreateFixture=function(a){if(this.m_world.IsLocked()==true)return null;var c=new S;c.Create(this,this.m_xf,a);this.m_flags&k.e_activeFlag&&c.CreateProxy(this.m_world.m_contactManager.m_broadPhase,this.m_xf);c.m_next=this.m_fixtureList;this.m_fixtureList=c;++this.m_fixtureCount;c.m_body=this;c.m_density>0&&this.ResetMassData();this.m_world.m_flags|=
-h.e_newFixture;return c};k.prototype.CreateFixture2=function(a,c){if(c===undefined)c=0;var g=new aa;g.shape=a;g.density=c;return this.CreateFixture(g)};k.prototype.DestroyFixture=function(a){if(this.m_world.IsLocked()!=true){for(var c=this.m_fixtureList,g=null;c!=null;){if(c==a){if(g)g.m_next=a.m_next;else this.m_fixtureList=a.m_next;break}g=c;c=c.m_next}for(c=this.m_contactList;c;){g=c.contact;c=c.next;var b=g.GetFixtureA(),e=g.GetFixtureB();if(a==b||a==e)this.m_world.m_contactManager.Destroy(g)}this.m_flags&
-k.e_activeFlag&&a.DestroyProxy(this.m_world.m_contactManager.m_broadPhase);a.Destroy();a.m_body=null;a.m_next=null;--this.m_fixtureCount;this.ResetMassData()}};k.prototype.SetPositionAndAngle=function(a,c){if(c===undefined)c=0;var g;if(this.m_world.IsLocked()!=true){this.m_xf.R.Set(c);this.m_xf.position.SetV(a);g=this.m_xf.R;var b=this.m_sweep.localCenter;this.m_sweep.c.x=g.col1.x*b.x+g.col2.x*b.y;this.m_sweep.c.y=g.col1.y*b.x+g.col2.y*b.y;this.m_sweep.c.x+=this.m_xf.position.x;this.m_sweep.c.y+=
-this.m_xf.position.y;this.m_sweep.c0.SetV(this.m_sweep.c);this.m_sweep.a0=this.m_sweep.a=c;b=this.m_world.m_contactManager.m_broadPhase;for(g=this.m_fixtureList;g;g=g.m_next)g.Synchronize(b,this.m_xf,this.m_xf);this.m_world.m_contactManager.FindNewContacts()}};k.prototype.SetTransform=function(a){this.SetPositionAndAngle(a.position,a.GetAngle())};k.prototype.GetTransform=function(){return this.m_xf};k.prototype.GetPosition=function(){return this.m_xf.position};k.prototype.SetPosition=function(a){this.SetPositionAndAngle(a,
-this.GetAngle())};k.prototype.GetAngle=function(){return this.m_sweep.a};k.prototype.SetAngle=function(a){if(a===undefined)a=0;this.SetPositionAndAngle(this.GetPosition(),a)};k.prototype.GetWorldCenter=function(){return this.m_sweep.c};k.prototype.GetLocalCenter=function(){return this.m_sweep.localCenter};k.prototype.SetLinearVelocity=function(a){this.m_type!=k.b2_staticBody&&this.m_linearVelocity.SetV(a)};k.prototype.GetLinearVelocity=function(){return this.m_linearVelocity};k.prototype.SetAngularVelocity=
-function(a){if(a===undefined)a=0;if(this.m_type!=k.b2_staticBody)this.m_angularVelocity=a};k.prototype.GetAngularVelocity=function(){return this.m_angularVelocity};k.prototype.GetDefinition=function(){var a=new z;a.type=this.GetType();a.allowSleep=(this.m_flags&k.e_allowSleepFlag)==k.e_allowSleepFlag;a.angle=this.GetAngle();a.angularDamping=this.m_angularDamping;a.angularVelocity=this.m_angularVelocity;a.fixedRotation=(this.m_flags&k.e_fixedRotationFlag)==k.e_fixedRotationFlag;a.bullet=(this.m_flags&
-k.e_bulletFlag)==k.e_bulletFlag;a.awake=(this.m_flags&k.e_awakeFlag)==k.e_awakeFlag;a.linearDamping=this.m_linearDamping;a.linearVelocity.SetV(this.GetLinearVelocity());a.position=this.GetPosition();a.userData=this.GetUserData();return a};k.prototype.ApplyForce=function(a,c){if(this.m_type==k.b2_dynamicBody){this.IsAwake()==false&&this.SetAwake(true);this.m_force.x+=a.x;this.m_force.y+=a.y;this.m_torque+=(c.x-this.m_sweep.c.x)*a.y-(c.y-this.m_sweep.c.y)*a.x}};k.prototype.ApplyTorque=function(a){if(a===
-undefined)a=0;if(this.m_type==k.b2_dynamicBody){this.IsAwake()==false&&this.SetAwake(true);this.m_torque+=a}};k.prototype.ApplyImpulse=function(a,c){if(this.m_type==k.b2_dynamicBody){this.IsAwake()==false&&this.SetAwake(true);this.m_linearVelocity.x+=this.m_invMass*a.x;this.m_linearVelocity.y+=this.m_invMass*a.y;this.m_angularVelocity+=this.m_invI*((c.x-this.m_sweep.c.x)*a.y-(c.y-this.m_sweep.c.y)*a.x)}};k.prototype.Split=function(a){for(var c=this.GetLinearVelocity().Copy(),g=this.GetAngularVelocity(),
-b=this.GetWorldCenter(),e=this.m_world.CreateBody(this.GetDefinition()),f,m=this.m_fixtureList;m;)if(a(m)){var r=m.m_next;if(f)f.m_next=r;else this.m_fixtureList=r;this.m_fixtureCount--;m.m_next=e.m_fixtureList;e.m_fixtureList=m;e.m_fixtureCount++;m.m_body=e;m=r}else{f=m;m=m.m_next}this.ResetMassData();e.ResetMassData();f=this.GetWorldCenter();a=e.GetWorldCenter();f=F.AddVV(c,F.CrossFV(g,F.SubtractVV(f,b)));c=F.AddVV(c,F.CrossFV(g,F.SubtractVV(a,b)));this.SetLinearVelocity(f);e.SetLinearVelocity(c);
-this.SetAngularVelocity(g);e.SetAngularVelocity(g);this.SynchronizeFixtures();e.SynchronizeFixtures();return e};k.prototype.Merge=function(a){var c;for(c=a.m_fixtureList;c;){var g=c.m_next;a.m_fixtureCount--;c.m_next=this.m_fixtureList;this.m_fixtureList=c;this.m_fixtureCount++;c.m_body=e;c=g}b.m_fixtureCount=0;var b=this,e=a;b.GetWorldCenter();e.GetWorldCenter();b.GetLinearVelocity().Copy();e.GetLinearVelocity().Copy();b.GetAngularVelocity();e.GetAngularVelocity();b.ResetMassData();this.SynchronizeFixtures()};
-k.prototype.GetMass=function(){return this.m_mass};k.prototype.GetInertia=function(){return this.m_I};k.prototype.GetMassData=function(a){a.mass=this.m_mass;a.I=this.m_I;a.center.SetV(this.m_sweep.localCenter)};k.prototype.SetMassData=function(a){A.b2Assert(this.m_world.IsLocked()==false);if(this.m_world.IsLocked()!=true)if(this.m_type==k.b2_dynamicBody){this.m_invI=this.m_I=this.m_invMass=0;this.m_mass=a.mass;if(this.m_mass<=0)this.m_mass=1;this.m_invMass=1/this.m_mass;if(a.I>0&&(this.m_flags&k.e_fixedRotationFlag)==
-0){this.m_I=a.I-this.m_mass*(a.center.x*a.center.x+a.center.y*a.center.y);this.m_invI=1/this.m_I}var c=this.m_sweep.c.Copy();this.m_sweep.localCenter.SetV(a.center);this.m_sweep.c0.SetV(F.MulX(this.m_xf,this.m_sweep.localCenter));this.m_sweep.c.SetV(this.m_sweep.c0);this.m_linearVelocity.x+=this.m_angularVelocity*-(this.m_sweep.c.y-c.y);this.m_linearVelocity.y+=this.m_angularVelocity*+(this.m_sweep.c.x-c.x)}};k.prototype.ResetMassData=function(){this.m_invI=this.m_I=this.m_invMass=this.m_mass=0;this.m_sweep.localCenter.SetZero();
-if(!(this.m_type==k.b2_staticBody||this.m_type==k.b2_kinematicBody)){for(var a=y.Make(0,0),c=this.m_fixtureList;c;c=c.m_next)if(c.m_density!=0){var g=c.GetMassData();this.m_mass+=g.mass;a.x+=g.center.x*g.mass;a.y+=g.center.y*g.mass;this.m_I+=g.I}if(this.m_mass>0){this.m_invMass=1/this.m_mass;a.x*=this.m_invMass;a.y*=this.m_invMass}else this.m_invMass=this.m_mass=1;if(this.m_I>0&&(this.m_flags&k.e_fixedRotationFlag)==0){this.m_I-=this.m_mass*(a.x*a.x+a.y*a.y);this.m_I*=this.m_inertiaScale;A.b2Assert(this.m_I>
-0);this.m_invI=1/this.m_I}else this.m_invI=this.m_I=0;c=this.m_sweep.c.Copy();this.m_sweep.localCenter.SetV(a);this.m_sweep.c0.SetV(F.MulX(this.m_xf,this.m_sweep.localCenter));this.m_sweep.c.SetV(this.m_sweep.c0);this.m_linearVelocity.x+=this.m_angularVelocity*-(this.m_sweep.c.y-c.y);this.m_linearVelocity.y+=this.m_angularVelocity*+(this.m_sweep.c.x-c.x)}};k.prototype.GetWorldPoint=function(a){var c=this.m_xf.R;a=new y(c.col1.x*a.x+c.col2.x*a.y,c.col1.y*a.x+c.col2.y*a.y);a.x+=this.m_xf.position.x;
-a.y+=this.m_xf.position.y;return a};k.prototype.GetWorldVector=function(a){return F.MulMV(this.m_xf.R,a)};k.prototype.GetLocalPoint=function(a){return F.MulXT(this.m_xf,a)};k.prototype.GetLocalVector=function(a){return F.MulTMV(this.m_xf.R,a)};k.prototype.GetLinearVelocityFromWorldPoint=function(a){return new y(this.m_linearVelocity.x-this.m_angularVelocity*(a.y-this.m_sweep.c.y),this.m_linearVelocity.y+this.m_angularVelocity*(a.x-this.m_sweep.c.x))};k.prototype.GetLinearVelocityFromLocalPoint=function(a){var c=
-this.m_xf.R;a=new y(c.col1.x*a.x+c.col2.x*a.y,c.col1.y*a.x+c.col2.y*a.y);a.x+=this.m_xf.position.x;a.y+=this.m_xf.position.y;return new y(this.m_linearVelocity.x-this.m_angularVelocity*(a.y-this.m_sweep.c.y),this.m_linearVelocity.y+this.m_angularVelocity*(a.x-this.m_sweep.c.x))};k.prototype.GetLinearDamping=function(){return this.m_linearDamping};k.prototype.SetLinearDamping=function(a){if(a===undefined)a=0;this.m_linearDamping=a};k.prototype.GetAngularDamping=function(){return this.m_angularDamping};
-k.prototype.SetAngularDamping=function(a){if(a===undefined)a=0;this.m_angularDamping=a};k.prototype.SetType=function(a){if(a===undefined)a=0;if(this.m_type!=a){this.m_type=a;this.ResetMassData();if(this.m_type==k.b2_staticBody){this.m_linearVelocity.SetZero();this.m_angularVelocity=0}this.SetAwake(true);this.m_force.SetZero();this.m_torque=0;for(a=this.m_contactList;a;a=a.next)a.contact.FlagForFiltering()}};k.prototype.GetType=function(){return this.m_type};k.prototype.SetBullet=function(a){if(a)this.m_flags|=
-k.e_bulletFlag;else this.m_flags&=~k.e_bulletFlag};k.prototype.IsBullet=function(){return(this.m_flags&k.e_bulletFlag)==k.e_bulletFlag};k.prototype.SetSleepingAllowed=function(a){if(a)this.m_flags|=k.e_allowSleepFlag;else{this.m_flags&=~k.e_allowSleepFlag;this.SetAwake(true)}};k.prototype.SetAwake=function(a){if(a){this.m_flags|=k.e_awakeFlag;this.m_sleepTime=0}else{this.m_flags&=~k.e_awakeFlag;this.m_sleepTime=0;this.m_linearVelocity.SetZero();this.m_angularVelocity=0;this.m_force.SetZero();this.m_torque=
-0}};k.prototype.IsAwake=function(){return(this.m_flags&k.e_awakeFlag)==k.e_awakeFlag};k.prototype.SetFixedRotation=function(a){if(a)this.m_flags|=k.e_fixedRotationFlag;else this.m_flags&=~k.e_fixedRotationFlag;this.ResetMassData()};k.prototype.IsFixedRotation=function(){return(this.m_flags&k.e_fixedRotationFlag)==k.e_fixedRotationFlag};k.prototype.SetActive=function(a){if(a!=this.IsActive()){var c;if(a){this.m_flags|=k.e_activeFlag;a=this.m_world.m_contactManager.m_broadPhase;for(c=this.m_fixtureList;c;c=
-c.m_next)c.CreateProxy(a,this.m_xf)}else{this.m_flags&=~k.e_activeFlag;a=this.m_world.m_contactManager.m_broadPhase;for(c=this.m_fixtureList;c;c=c.m_next)c.DestroyProxy(a);for(a=this.m_contactList;a;){c=a;a=a.next;this.m_world.m_contactManager.Destroy(c.contact)}this.m_contactList=null}}};k.prototype.IsActive=function(){return(this.m_flags&k.e_activeFlag)==k.e_activeFlag};k.prototype.IsSleepingAllowed=function(){return(this.m_flags&k.e_allowSleepFlag)==k.e_allowSleepFlag};k.prototype.GetFixtureList=
-function(){return this.m_fixtureList};k.prototype.GetJointList=function(){return this.m_jointList};k.prototype.GetControllerList=function(){return this.m_controllerList};k.prototype.GetContactList=function(){return this.m_contactList};k.prototype.GetNext=function(){return this.m_next};k.prototype.GetUserData=function(){return this.m_userData};k.prototype.SetUserData=function(a){this.m_userData=a};k.prototype.GetWorld=function(){return this.m_world};k.prototype.b2Body=function(a,c){this.m_flags=0;
-if(a.bullet)this.m_flags|=k.e_bulletFlag;if(a.fixedRotation)this.m_flags|=k.e_fixedRotationFlag;if(a.allowSleep)this.m_flags|=k.e_allowSleepFlag;if(a.awake)this.m_flags|=k.e_awakeFlag;if(a.active)this.m_flags|=k.e_activeFlag;this.m_world=c;this.m_xf.position.SetV(a.position);this.m_xf.R.Set(a.angle);this.m_sweep.localCenter.SetZero();this.m_sweep.t0=1;this.m_sweep.a0=this.m_sweep.a=a.angle;var g=this.m_xf.R,b=this.m_sweep.localCenter;this.m_sweep.c.x=g.col1.x*b.x+g.col2.x*b.y;this.m_sweep.c.y=g.col1.y*
-b.x+g.col2.y*b.y;this.m_sweep.c.x+=this.m_xf.position.x;this.m_sweep.c.y+=this.m_xf.position.y;this.m_sweep.c0.SetV(this.m_sweep.c);this.m_contactList=this.m_controllerList=this.m_jointList=null;this.m_controllerCount=0;this.m_next=this.m_prev=null;this.m_linearVelocity.SetV(a.linearVelocity);this.m_angularVelocity=a.angularVelocity;this.m_linearDamping=a.linearDamping;this.m_angularDamping=a.angularDamping;this.m_force.Set(0,0);this.m_sleepTime=this.m_torque=0;this.m_type=a.type;if(this.m_type==
-k.b2_dynamicBody)this.m_invMass=this.m_mass=1;else this.m_invMass=this.m_mass=0;this.m_invI=this.m_I=0;this.m_inertiaScale=a.inertiaScale;this.m_userData=a.userData;this.m_fixtureList=null;this.m_fixtureCount=0};k.prototype.SynchronizeFixtures=function(){var a=k.s_xf1;a.R.Set(this.m_sweep.a0);var c=a.R,g=this.m_sweep.localCenter;a.position.x=this.m_sweep.c0.x-(c.col1.x*g.x+c.col2.x*g.y);a.position.y=this.m_sweep.c0.y-(c.col1.y*g.x+c.col2.y*g.y);g=this.m_world.m_contactManager.m_broadPhase;for(c=this.m_fixtureList;c;c=
-c.m_next)c.Synchronize(g,a,this.m_xf)};k.prototype.SynchronizeTransform=function(){this.m_xf.R.Set(this.m_sweep.a);var a=this.m_xf.R,c=this.m_sweep.localCenter;this.m_xf.position.x=this.m_sweep.c.x-(a.col1.x*c.x+a.col2.x*c.y);this.m_xf.position.y=this.m_sweep.c.y-(a.col1.y*c.x+a.col2.y*c.y)};k.prototype.ShouldCollide=function(a){if(this.m_type!=k.b2_dynamicBody&&a.m_type!=k.b2_dynamicBody)return false;for(var c=this.m_jointList;c;c=c.next)if(c.other==a)if(c.joint.m_collideConnected==false)return false;
-return true};k.prototype.Advance=function(a){if(a===undefined)a=0;this.m_sweep.Advance(a);this.m_sweep.c.SetV(this.m_sweep.c0);this.m_sweep.a=this.m_sweep.a0;this.SynchronizeTransform()};Box2D.postDefs.push(function(){Box2D.Dynamics.b2Body.s_xf1=new K;Box2D.Dynamics.b2Body.e_islandFlag=1;Box2D.Dynamics.b2Body.e_awakeFlag=2;Box2D.Dynamics.b2Body.e_allowSleepFlag=4;Box2D.Dynamics.b2Body.e_bulletFlag=8;Box2D.Dynamics.b2Body.e_fixedRotationFlag=16;Box2D.Dynamics.b2Body.e_activeFlag=32;Box2D.Dynamics.b2Body.b2_staticBody=
-0;Box2D.Dynamics.b2Body.b2_kinematicBody=1;Box2D.Dynamics.b2Body.b2_dynamicBody=2});z.b2BodyDef=function(){this.position=new y;this.linearVelocity=new y};z.prototype.b2BodyDef=function(){this.userData=null;this.position.Set(0,0);this.angle=0;this.linearVelocity.Set(0,0);this.angularDamping=this.linearDamping=this.angularVelocity=0;this.awake=this.allowSleep=true;this.bullet=this.fixedRotation=false;this.type=k.b2_staticBody;this.active=true;this.inertiaScale=1};u.b2ContactFilter=function(){};u.prototype.ShouldCollide=
-function(a,c){var g=a.GetFilterData(),b=c.GetFilterData();if(g.groupIndex==b.groupIndex&&g.groupIndex!=0)return g.groupIndex>0;return(g.maskBits&b.categoryBits)!=0&&(g.categoryBits&b.maskBits)!=0};u.prototype.RayCollide=function(a,c){if(!a)return true;return this.ShouldCollide(a instanceof S?a:null,c)};Box2D.postDefs.push(function(){Box2D.Dynamics.b2ContactFilter.b2_defaultFilter=new u});D.b2ContactImpulse=function(){this.normalImpulses=new Vector_a2j_Number(A.b2_maxManifoldPoints);this.tangentImpulses=
-new Vector_a2j_Number(A.b2_maxManifoldPoints)};H.b2ContactListener=function(){};H.prototype.BeginContact=function(){};H.prototype.EndContact=function(){};H.prototype.PreSolve=function(){};H.prototype.PostSolve=function(){};Box2D.postDefs.push(function(){Box2D.Dynamics.b2ContactListener.b2_defaultListener=new H});O.b2ContactManager=function(){};O.prototype.b2ContactManager=function(){this.m_world=null;this.m_contactCount=0;this.m_contactFilter=u.b2_defaultFilter;this.m_contactListener=H.b2_defaultListener;
-this.m_contactFactory=new j(this.m_allocator);this.m_broadPhase=new B};O.prototype.AddPair=function(a,c){var g=a instanceof S?a:null,b=c instanceof S?c:null,e=g.GetBody(),f=b.GetBody();if(e!=f){for(var m=f.GetContactList();m;){if(m.other==e){var r=m.contact.GetFixtureA(),s=m.contact.GetFixtureB();if(r==g&&s==b)return;if(r==b&&s==g)return}m=m.next}if(f.ShouldCollide(e)!=false)if(this.m_contactFilter.ShouldCollide(g,b)!=false){m=this.m_contactFactory.Create(g,b);g=m.GetFixtureA();b=m.GetFixtureB();
-e=g.m_body;f=b.m_body;m.m_prev=null;m.m_next=this.m_world.m_contactList;if(this.m_world.m_contactList!=null)this.m_world.m_contactList.m_prev=m;this.m_world.m_contactList=m;m.m_nodeA.contact=m;m.m_nodeA.other=f;m.m_nodeA.prev=null;m.m_nodeA.next=e.m_contactList;if(e.m_contactList!=null)e.m_contactList.prev=m.m_nodeA;e.m_contactList=m.m_nodeA;m.m_nodeB.contact=m;m.m_nodeB.other=e;m.m_nodeB.prev=null;m.m_nodeB.next=f.m_contactList;if(f.m_contactList!=null)f.m_contactList.prev=m.m_nodeB;f.m_contactList=
-m.m_nodeB;++this.m_world.m_contactCount}}};O.prototype.FindNewContacts=function(){this.m_broadPhase.UpdatePairs(Box2D.generateCallback(this,this.AddPair))};O.prototype.Destroy=function(a){var c=a.GetFixtureA(),g=a.GetFixtureB();c=c.GetBody();g=g.GetBody();a.IsTouching()&&this.m_contactListener.EndContact(a);if(a.m_prev)a.m_prev.m_next=a.m_next;if(a.m_next)a.m_next.m_prev=a.m_prev;if(a==this.m_world.m_contactList)this.m_world.m_contactList=a.m_next;if(a.m_nodeA.prev)a.m_nodeA.prev.next=a.m_nodeA.next;
-if(a.m_nodeA.next)a.m_nodeA.next.prev=a.m_nodeA.prev;if(a.m_nodeA==c.m_contactList)c.m_contactList=a.m_nodeA.next;if(a.m_nodeB.prev)a.m_nodeB.prev.next=a.m_nodeB.next;if(a.m_nodeB.next)a.m_nodeB.next.prev=a.m_nodeB.prev;if(a.m_nodeB==g.m_contactList)g.m_contactList=a.m_nodeB.next;this.m_contactFactory.Destroy(a);--this.m_contactCount};O.prototype.Collide=function(){for(var a=this.m_world.m_contactList;a;){var c=a.GetFixtureA(),g=a.GetFixtureB(),b=c.GetBody(),e=g.GetBody();if(b.IsAwake()==false&&e.IsAwake()==
-false)a=a.GetNext();else{if(a.m_flags&l.e_filterFlag){if(e.ShouldCollide(b)==false){c=a;a=c.GetNext();this.Destroy(c);continue}if(this.m_contactFilter.ShouldCollide(c,g)==false){c=a;a=c.GetNext();this.Destroy(c);continue}a.m_flags&=~l.e_filterFlag}if(this.m_broadPhase.TestOverlap(c.m_proxy,g.m_proxy)==false){c=a;a=c.GetNext();this.Destroy(c)}else{a.Update(this.m_contactListener);a=a.GetNext()}}}};Box2D.postDefs.push(function(){Box2D.Dynamics.b2ContactManager.s_evalCP=new p});E.b2DebugDraw=function(){};
-E.prototype.b2DebugDraw=function(){};E.prototype.SetFlags=function(){};E.prototype.GetFlags=function(){};E.prototype.AppendFlags=function(){};E.prototype.ClearFlags=function(){};E.prototype.SetSprite=function(){};E.prototype.GetSprite=function(){};E.prototype.SetDrawScale=function(){};E.prototype.GetDrawScale=function(){};E.prototype.SetLineThickness=function(){};E.prototype.GetLineThickness=function(){};E.prototype.SetAlpha=function(){};E.prototype.GetAlpha=function(){};E.prototype.SetFillAlpha=
-function(){};E.prototype.GetFillAlpha=function(){};E.prototype.SetXFormScale=function(){};E.prototype.GetXFormScale=function(){};E.prototype.DrawPolygon=function(){};E.prototype.DrawSolidPolygon=function(){};E.prototype.DrawCircle=function(){};E.prototype.DrawSolidCircle=function(){};E.prototype.DrawSegment=function(){};E.prototype.DrawTransform=function(){};Box2D.postDefs.push(function(){Box2D.Dynamics.b2DebugDraw.e_shapeBit=1;Box2D.Dynamics.b2DebugDraw.e_jointBit=2;Box2D.Dynamics.b2DebugDraw.e_aabbBit=
-4;Box2D.Dynamics.b2DebugDraw.e_pairBit=8;Box2D.Dynamics.b2DebugDraw.e_centerOfMassBit=16;Box2D.Dynamics.b2DebugDraw.e_controllerBit=32});R.b2DestructionListener=function(){};R.prototype.SayGoodbyeJoint=function(){};R.prototype.SayGoodbyeFixture=function(){};N.b2FilterData=function(){this.categoryBits=1;this.maskBits=65535;this.groupIndex=0};N.prototype.Copy=function(){var a=new N;a.categoryBits=this.categoryBits;a.maskBits=this.maskBits;a.groupIndex=this.groupIndex;return a};S.b2Fixture=function(){this.m_filter=
-new N};S.prototype.GetType=function(){return this.m_shape.GetType()};S.prototype.GetShape=function(){return this.m_shape};S.prototype.SetSensor=function(a){if(this.m_isSensor!=a){this.m_isSensor=a;if(this.m_body!=null)for(a=this.m_body.GetContactList();a;){var c=a.contact,g=c.GetFixtureA(),b=c.GetFixtureB();if(g==this||b==this)c.SetSensor(g.IsSensor()||b.IsSensor());a=a.next}}};S.prototype.IsSensor=function(){return this.m_isSensor};S.prototype.SetFilterData=function(a){this.m_filter=a.Copy();if(!this.m_body)for(a=
-this.m_body.GetContactList();a;){var c=a.contact,g=c.GetFixtureA(),b=c.GetFixtureB();if(g==this||b==this)c.FlagForFiltering();a=a.next}};S.prototype.GetFilterData=function(){return this.m_filter.Copy()};S.prototype.GetBody=function(){return this.m_body};S.prototype.GetNext=function(){return this.m_next};S.prototype.GetUserData=function(){return this.m_userData};S.prototype.SetUserData=function(a){this.m_userData=a};S.prototype.TestPoint=function(a){return this.m_shape.TestPoint(this.m_body.GetTransform(),
-a)};S.prototype.RayCast=function(a,c){return this.m_shape.RayCast(a,c,this.m_body.GetTransform())};S.prototype.GetMassData=function(a){if(a===undefined)a=null;if(a==null)a=new I;this.m_shape.ComputeMass(a,this.m_density);return a};S.prototype.SetDensity=function(a){if(a===undefined)a=0;this.m_density=a};S.prototype.GetDensity=function(){return this.m_density};S.prototype.GetFriction=function(){return this.m_friction};S.prototype.SetFriction=function(a){if(a===undefined)a=0;this.m_friction=a};S.prototype.GetRestitution=
-function(){return this.m_restitution};S.prototype.SetRestitution=function(a){if(a===undefined)a=0;this.m_restitution=a};S.prototype.GetAABB=function(){return this.m_aabb};S.prototype.b2Fixture=function(){this.m_aabb=new U;this.m_shape=this.m_next=this.m_body=this.m_userData=null;this.m_restitution=this.m_friction=this.m_density=0};S.prototype.Create=function(a,c,g){this.m_userData=g.userData;this.m_friction=g.friction;this.m_restitution=g.restitution;this.m_body=a;this.m_next=null;this.m_filter=g.filter.Copy();
-this.m_isSensor=g.isSensor;this.m_shape=g.shape.Copy();this.m_density=g.density};S.prototype.Destroy=function(){this.m_shape=null};S.prototype.CreateProxy=function(a,c){this.m_shape.ComputeAABB(this.m_aabb,c);this.m_proxy=a.CreateProxy(this.m_aabb,this)};S.prototype.DestroyProxy=function(a){if(this.m_proxy!=null){a.DestroyProxy(this.m_proxy);this.m_proxy=null}};S.prototype.Synchronize=function(a,c,g){if(this.m_proxy){var b=new U,e=new U;this.m_shape.ComputeAABB(b,c);this.m_shape.ComputeAABB(e,g);
-this.m_aabb.Combine(b,e);c=F.SubtractVV(g.position,c.position);a.MoveProxy(this.m_proxy,this.m_aabb,c)}};aa.b2FixtureDef=function(){this.filter=new N};aa.prototype.b2FixtureDef=function(){this.userData=this.shape=null;this.friction=0.2;this.density=this.restitution=0;this.filter.categoryBits=1;this.filter.maskBits=65535;this.filter.groupIndex=0;this.isSensor=false};Z.b2Island=function(){};Z.prototype.b2Island=function(){this.m_bodies=new Vector;this.m_contacts=new Vector;this.m_joints=new Vector};
-Z.prototype.Initialize=function(a,c,g,b,e,f){if(a===undefined)a=0;if(c===undefined)c=0;if(g===undefined)g=0;var m=0;this.m_bodyCapacity=a;this.m_contactCapacity=c;this.m_jointCapacity=g;this.m_jointCount=this.m_contactCount=this.m_bodyCount=0;this.m_allocator=b;this.m_listener=e;this.m_contactSolver=f;for(m=this.m_bodies.length;m<a;m++)this.m_bodies[m]=null;for(m=this.m_contacts.length;m<c;m++)this.m_contacts[m]=null;for(m=this.m_joints.length;m<g;m++)this.m_joints[m]=null};Z.prototype.Clear=function(){this.m_jointCount=
-this.m_contactCount=this.m_bodyCount=0};Z.prototype.Solve=function(a,c,g){var b=0,e=0,f;for(b=0;b<this.m_bodyCount;++b){e=this.m_bodies[b];if(e.GetType()==k.b2_dynamicBody){e.m_linearVelocity.x+=a.dt*(c.x+e.m_invMass*e.m_force.x);e.m_linearVelocity.y+=a.dt*(c.y+e.m_invMass*e.m_force.y);e.m_angularVelocity+=a.dt*e.m_invI*e.m_torque;e.m_linearVelocity.Multiply(F.Clamp(1-a.dt*e.m_linearDamping,0,1));e.m_angularVelocity*=F.Clamp(1-a.dt*e.m_angularDamping,0,1)}}this.m_contactSolver.Initialize(a,this.m_contacts,
-this.m_contactCount,this.m_allocator);c=this.m_contactSolver;c.InitVelocityConstraints(a);for(b=0;b<this.m_jointCount;++b){f=this.m_joints[b];f.InitVelocityConstraints(a)}for(b=0;b<a.velocityIterations;++b){for(e=0;e<this.m_jointCount;++e){f=this.m_joints[e];f.SolveVelocityConstraints(a)}c.SolveVelocityConstraints()}for(b=0;b<this.m_jointCount;++b){f=this.m_joints[b];f.FinalizeVelocityConstraints()}c.FinalizeVelocityConstraints();for(b=0;b<this.m_bodyCount;++b){e=this.m_bodies[b];if(e.GetType()!=
-k.b2_staticBody){var m=a.dt*e.m_linearVelocity.x,r=a.dt*e.m_linearVelocity.y;if(m*m+r*r>A.b2_maxTranslationSquared){e.m_linearVelocity.Normalize();e.m_linearVelocity.x*=A.b2_maxTranslation*a.inv_dt;e.m_linearVelocity.y*=A.b2_maxTranslation*a.inv_dt}m=a.dt*e.m_angularVelocity;if(m*m>A.b2_maxRotationSquared)e.m_angularVelocity=e.m_angularVelocity<0?-A.b2_maxRotation*a.inv_dt:A.b2_maxRotation*a.inv_dt;e.m_sweep.c0.SetV(e.m_sweep.c);e.m_sweep.a0=e.m_sweep.a;e.m_sweep.c.x+=a.dt*e.m_linearVelocity.x;e.m_sweep.c.y+=
-a.dt*e.m_linearVelocity.y;e.m_sweep.a+=a.dt*e.m_angularVelocity;e.SynchronizeTransform()}}for(b=0;b<a.positionIterations;++b){m=c.SolvePositionConstraints(A.b2_contactBaumgarte);r=true;for(e=0;e<this.m_jointCount;++e){f=this.m_joints[e];f=f.SolvePositionConstraints(A.b2_contactBaumgarte);r=r&&f}if(m&&r)break}this.Report(c.m_constraints);if(g){g=Number.MAX_VALUE;c=A.b2_linearSleepTolerance*A.b2_linearSleepTolerance;m=A.b2_angularSleepTolerance*A.b2_angularSleepTolerance;for(b=0;b<this.m_bodyCount;++b){e=
-this.m_bodies[b];if(e.GetType()!=k.b2_staticBody){if((e.m_flags&k.e_allowSleepFlag)==0)g=e.m_sleepTime=0;if((e.m_flags&k.e_allowSleepFlag)==0||e.m_angularVelocity*e.m_angularVelocity>m||F.Dot(e.m_linearVelocity,e.m_linearVelocity)>c)g=e.m_sleepTime=0;else{e.m_sleepTime+=a.dt;g=F.Min(g,e.m_sleepTime)}}}if(g>=A.b2_timeToSleep)for(b=0;b<this.m_bodyCount;++b){e=this.m_bodies[b];e.SetAwake(false)}}};Z.prototype.SolveTOI=function(a){var c=0,g=0;this.m_contactSolver.Initialize(a,this.m_contacts,this.m_contactCount,
-this.m_allocator);var b=this.m_contactSolver;for(c=0;c<this.m_jointCount;++c)this.m_joints[c].InitVelocityConstraints(a);for(c=0;c<a.velocityIterations;++c){b.SolveVelocityConstraints();for(g=0;g<this.m_jointCount;++g)this.m_joints[g].SolveVelocityConstraints(a)}for(c=0;c<this.m_bodyCount;++c){g=this.m_bodies[c];if(g.GetType()!=k.b2_staticBody){var e=a.dt*g.m_linearVelocity.x,f=a.dt*g.m_linearVelocity.y;if(e*e+f*f>A.b2_maxTranslationSquared){g.m_linearVelocity.Normalize();g.m_linearVelocity.x*=A.b2_maxTranslation*
-a.inv_dt;g.m_linearVelocity.y*=A.b2_maxTranslation*a.inv_dt}e=a.dt*g.m_angularVelocity;if(e*e>A.b2_maxRotationSquared)g.m_angularVelocity=g.m_angularVelocity<0?-A.b2_maxRotation*a.inv_dt:A.b2_maxRotation*a.inv_dt;g.m_sweep.c0.SetV(g.m_sweep.c);g.m_sweep.a0=g.m_sweep.a;g.m_sweep.c.x+=a.dt*g.m_linearVelocity.x;g.m_sweep.c.y+=a.dt*g.m_linearVelocity.y;g.m_sweep.a+=a.dt*g.m_angularVelocity;g.SynchronizeTransform()}}for(c=0;c<a.positionIterations;++c){e=b.SolvePositionConstraints(0.75);f=true;for(g=0;g<
-this.m_jointCount;++g){var m=this.m_joints[g].SolvePositionConstraints(A.b2_contactBaumgarte);f=f&&m}if(e&&f)break}this.Report(b.m_constraints)};Z.prototype.Report=function(a){if(this.m_listener!=null)for(var c=0;c<this.m_contactCount;++c){for(var g=this.m_contacts[c],b=a[c],e=0;e<b.pointCount;++e){Z.s_impulse.normalImpulses[e]=b.points[e].normalImpulse;Z.s_impulse.tangentImpulses[e]=b.points[e].tangentImpulse}this.m_listener.PostSolve(g,Z.s_impulse)}};Z.prototype.AddBody=function(a){a.m_islandIndex=
-this.m_bodyCount;this.m_bodies[this.m_bodyCount++]=a};Z.prototype.AddContact=function(a){this.m_contacts[this.m_contactCount++]=a};Z.prototype.AddJoint=function(a){this.m_joints[this.m_jointCount++]=a};Box2D.postDefs.push(function(){Box2D.Dynamics.b2Island.s_impulse=new D});d.b2TimeStep=function(){};d.prototype.Set=function(a){this.dt=a.dt;this.inv_dt=a.inv_dt;this.positionIterations=a.positionIterations;this.velocityIterations=a.velocityIterations;this.warmStarting=a.warmStarting};h.b2World=function(){this.s_stack=
-new Vector;this.m_contactManager=new O;this.m_contactSolver=new o;this.m_island=new Z};h.prototype.b2World=function(a,c){this.m_controllerList=this.m_jointList=this.m_contactList=this.m_bodyList=this.m_debugDraw=this.m_destructionListener=null;this.m_controllerCount=this.m_jointCount=this.m_contactCount=this.m_bodyCount=0;h.m_warmStarting=true;h.m_continuousPhysics=true;this.m_allowSleep=c;this.m_gravity=a;this.m_inv_dt0=0;this.m_contactManager.m_world=this;this.m_groundBody=this.CreateBody(new z)};
-h.prototype.SetDestructionListener=function(a){this.m_destructionListener=a};h.prototype.SetContactFilter=function(a){this.m_contactManager.m_contactFilter=a};h.prototype.SetContactListener=function(a){this.m_contactManager.m_contactListener=a};h.prototype.SetDebugDraw=function(a){this.m_debugDraw=a};h.prototype.SetBroadPhase=function(a){var c=this.m_contactManager.m_broadPhase;this.m_contactManager.m_broadPhase=a;for(var g=this.m_bodyList;g;g=g.m_next)for(var b=g.m_fixtureList;b;b=b.m_next)b.m_proxy=
-a.CreateProxy(c.GetFatAABB(b.m_proxy),b)};h.prototype.Validate=function(){this.m_contactManager.m_broadPhase.Validate()};h.prototype.GetProxyCount=function(){return this.m_contactManager.m_broadPhase.GetProxyCount()};h.prototype.CreateBody=function(a){if(this.IsLocked()==true)return null;a=new k(a,this);a.m_prev=null;if(a.m_next=this.m_bodyList)this.m_bodyList.m_prev=a;this.m_bodyList=a;++this.m_bodyCount;return a};h.prototype.DestroyBody=function(a){if(this.IsLocked()!=true){for(var c=a.m_jointList;c;){var g=
-c;c=c.next;this.m_destructionListener&&this.m_destructionListener.SayGoodbyeJoint(g.joint);this.DestroyJoint(g.joint)}for(c=a.m_controllerList;c;){g=c;c=c.nextController;g.controller.RemoveBody(a)}for(c=a.m_contactList;c;){g=c;c=c.next;this.m_contactManager.Destroy(g.contact)}a.m_contactList=null;for(c=a.m_fixtureList;c;){g=c;c=c.m_next;this.m_destructionListener&&this.m_destructionListener.SayGoodbyeFixture(g);g.DestroyProxy(this.m_contactManager.m_broadPhase);g.Destroy()}a.m_fixtureList=null;a.m_fixtureCount=
-0;if(a.m_prev)a.m_prev.m_next=a.m_next;if(a.m_next)a.m_next.m_prev=a.m_prev;if(a==this.m_bodyList)this.m_bodyList=a.m_next;--this.m_bodyCount}};h.prototype.CreateJoint=function(a){var c=q.Create(a,null);c.m_prev=null;if(c.m_next=this.m_jointList)this.m_jointList.m_prev=c;this.m_jointList=c;++this.m_jointCount;c.m_edgeA.joint=c;c.m_edgeA.other=c.m_bodyB;c.m_edgeA.prev=null;if(c.m_edgeA.next=c.m_bodyA.m_jointList)c.m_bodyA.m_jointList.prev=c.m_edgeA;c.m_bodyA.m_jointList=c.m_edgeA;c.m_edgeB.joint=c;
-c.m_edgeB.other=c.m_bodyA;c.m_edgeB.prev=null;if(c.m_edgeB.next=c.m_bodyB.m_jointList)c.m_bodyB.m_jointList.prev=c.m_edgeB;c.m_bodyB.m_jointList=c.m_edgeB;var g=a.bodyA,b=a.bodyB;if(a.collideConnected==false)for(a=b.GetContactList();a;){a.other==g&&a.contact.FlagForFiltering();a=a.next}return c};h.prototype.DestroyJoint=function(a){var c=a.m_collideConnected;if(a.m_prev)a.m_prev.m_next=a.m_next;if(a.m_next)a.m_next.m_prev=a.m_prev;if(a==this.m_jointList)this.m_jointList=a.m_next;var g=a.m_bodyA,b=
-a.m_bodyB;g.SetAwake(true);b.SetAwake(true);if(a.m_edgeA.prev)a.m_edgeA.prev.next=a.m_edgeA.next;if(a.m_edgeA.next)a.m_edgeA.next.prev=a.m_edgeA.prev;if(a.m_edgeA==g.m_jointList)g.m_jointList=a.m_edgeA.next;a.m_edgeA.prev=null;a.m_edgeA.next=null;if(a.m_edgeB.prev)a.m_edgeB.prev.next=a.m_edgeB.next;if(a.m_edgeB.next)a.m_edgeB.next.prev=a.m_edgeB.prev;if(a.m_edgeB==b.m_jointList)b.m_jointList=a.m_edgeB.next;a.m_edgeB.prev=null;a.m_edgeB.next=null;q.Destroy(a,null);--this.m_jointCount;if(c==false)for(a=
-b.GetContactList();a;){a.other==g&&a.contact.FlagForFiltering();a=a.next}};h.prototype.AddController=function(a){a.m_next=this.m_controllerList;a.m_prev=null;this.m_controllerList=a;a.m_world=this;this.m_controllerCount++;return a};h.prototype.RemoveController=function(a){if(a.m_prev)a.m_prev.m_next=a.m_next;if(a.m_next)a.m_next.m_prev=a.m_prev;if(this.m_controllerList==a)this.m_controllerList=a.m_next;this.m_controllerCount--};h.prototype.CreateController=function(a){if(a.m_world!=this)throw Error("Controller can only be a member of one world");
-a.m_next=this.m_controllerList;a.m_prev=null;if(this.m_controllerList)this.m_controllerList.m_prev=a;this.m_controllerList=a;++this.m_controllerCount;a.m_world=this;return a};h.prototype.DestroyController=function(a){a.Clear();if(a.m_next)a.m_next.m_prev=a.m_prev;if(a.m_prev)a.m_prev.m_next=a.m_next;if(a==this.m_controllerList)this.m_controllerList=a.m_next;--this.m_controllerCount};h.prototype.SetWarmStarting=function(a){h.m_warmStarting=a};h.prototype.SetContinuousPhysics=function(a){h.m_continuousPhysics=
-a};h.prototype.GetBodyCount=function(){return this.m_bodyCount};h.prototype.GetJointCount=function(){return this.m_jointCount};h.prototype.GetContactCount=function(){return this.m_contactCount};h.prototype.SetGravity=function(a){this.m_gravity=a};h.prototype.GetGravity=function(){return this.m_gravity};h.prototype.GetGroundBody=function(){return this.m_groundBody};h.prototype.Step=function(a,c,g){if(a===undefined)a=0;if(c===undefined)c=0;if(g===undefined)g=0;if(this.m_flags&h.e_newFixture){this.m_contactManager.FindNewContacts();
-this.m_flags&=~h.e_newFixture}this.m_flags|=h.e_locked;var b=h.s_timestep2;b.dt=a;b.velocityIterations=c;b.positionIterations=g;b.inv_dt=a>0?1/a:0;b.dtRatio=this.m_inv_dt0*a;b.warmStarting=h.m_warmStarting;this.m_contactManager.Collide();b.dt>0&&this.Solve(b);h.m_continuousPhysics&&b.dt>0&&this.SolveTOI(b);if(b.dt>0)this.m_inv_dt0=b.inv_dt;this.m_flags&=~h.e_locked};h.prototype.ClearForces=function(){for(var a=this.m_bodyList;a;a=a.m_next){a.m_force.SetZero();a.m_torque=0}};h.prototype.DrawDebugData=
-function(){if(this.m_debugDraw!=null){this.m_debugDraw.m_sprite.graphics.clear();var a=this.m_debugDraw.GetFlags(),c,g,b;new y;new y;new y;var e;new U;new U;e=[new y,new y,new y,new y];var f=new w(0,0,0);if(a&E.e_shapeBit)for(c=this.m_bodyList;c;c=c.m_next){e=c.m_xf;for(g=c.GetFixtureList();g;g=g.m_next){b=g.GetShape();if(c.IsActive()==false)f.Set(0.5,0.5,0.3);else if(c.GetType()==k.b2_staticBody)f.Set(0.5,0.9,0.5);else if(c.GetType()==k.b2_kinematicBody)f.Set(0.5,0.5,0.9);else c.IsAwake()==false?
-f.Set(0.6,0.6,0.6):f.Set(0.9,0.7,0.7);this.DrawShape(b,e,f)}}if(a&E.e_jointBit)for(c=this.m_jointList;c;c=c.m_next)this.DrawJoint(c);if(a&E.e_controllerBit)for(c=this.m_controllerList;c;c=c.m_next)c.Draw(this.m_debugDraw);if(a&E.e_pairBit){f.Set(0.3,0.9,0.9);for(c=this.m_contactManager.m_contactList;c;c=c.GetNext()){b=c.GetFixtureA();g=c.GetFixtureB();b=b.GetAABB().GetCenter();g=g.GetAABB().GetCenter();this.m_debugDraw.DrawSegment(b,g,f)}}if(a&E.e_aabbBit){b=this.m_contactManager.m_broadPhase;e=[new y,
-new y,new y,new y];for(c=this.m_bodyList;c;c=c.GetNext())if(c.IsActive()!=false)for(g=c.GetFixtureList();g;g=g.GetNext()){var m=b.GetFatAABB(g.m_proxy);e[0].Set(m.lowerBound.x,m.lowerBound.y);e[1].Set(m.upperBound.x,m.lowerBound.y);e[2].Set(m.upperBound.x,m.upperBound.y);e[3].Set(m.lowerBound.x,m.upperBound.y);this.m_debugDraw.DrawPolygon(e,4,f)}}if(a&E.e_centerOfMassBit)for(c=this.m_bodyList;c;c=c.m_next){e=h.s_xf;e.R=c.m_xf.R;e.position=c.GetWorldCenter();this.m_debugDraw.DrawTransform(e)}}};h.prototype.QueryAABB=
-function(a,c){var g=this.m_contactManager.m_broadPhase;g.Query(function(b){return a(g.GetUserData(b))},c)};h.prototype.QueryShape=function(a,c,g){if(g===undefined)g=null;if(g==null){g=new K;g.SetIdentity()}var b=this.m_contactManager.m_broadPhase,e=new U;c.ComputeAABB(e,g);b.Query(function(f){f=b.GetUserData(f)instanceof S?b.GetUserData(f):null;if(Y.TestOverlap(c,g,f.GetShape(),f.GetBody().GetTransform()))return a(f);return true},e)};h.prototype.QueryPoint=function(a,c){var g=this.m_contactManager.m_broadPhase,
-b=new U;b.lowerBound.Set(c.x-A.b2_linearSlop,c.y-A.b2_linearSlop);b.upperBound.Set(c.x+A.b2_linearSlop,c.y+A.b2_linearSlop);g.Query(function(e){e=g.GetUserData(e)instanceof S?g.GetUserData(e):null;if(e.TestPoint(c))return a(e);return true},b)};h.prototype.RayCast=function(a,c,g){var b=this.m_contactManager.m_broadPhase,e=new V,f=new Q(c,g);b.RayCast(function(m,r){var s=b.GetUserData(r);s=s instanceof S?s:null;if(s.RayCast(e,m)){var v=e.fraction,t=new y((1-v)*c.x+v*g.x,(1-v)*c.y+v*g.y);return a(s,
-t,e.normal,v)}return m.maxFraction},f)};h.prototype.RayCastOne=function(a,c){var g;this.RayCast(function(b,e,f,m){if(m===undefined)m=0;g=b;return m},a,c);return g};h.prototype.RayCastAll=function(a,c){var g=new Vector;this.RayCast(function(b){g[g.length]=b;return 1},a,c);return g};h.prototype.GetBodyList=function(){return this.m_bodyList};h.prototype.GetJointList=function(){return this.m_jointList};h.prototype.GetContactList=function(){return this.m_contactList};h.prototype.IsLocked=function(){return(this.m_flags&
-h.e_locked)>0};h.prototype.Solve=function(a){for(var c,g=this.m_controllerList;g;g=g.m_next)g.Step(a);g=this.m_island;g.Initialize(this.m_bodyCount,this.m_contactCount,this.m_jointCount,null,this.m_contactManager.m_contactListener,this.m_contactSolver);for(c=this.m_bodyList;c;c=c.m_next)c.m_flags&=~k.e_islandFlag;for(var b=this.m_contactList;b;b=b.m_next)b.m_flags&=~l.e_islandFlag;for(b=this.m_jointList;b;b=b.m_next)b.m_islandFlag=false;parseInt(this.m_bodyCount);b=this.s_stack;for(var e=this.m_bodyList;e;e=
-e.m_next)if(!(e.m_flags&k.e_islandFlag))if(!(e.IsAwake()==false||e.IsActive()==false))if(e.GetType()!=k.b2_staticBody){g.Clear();var f=0;b[f++]=e;for(e.m_flags|=k.e_islandFlag;f>0;){c=b[--f];g.AddBody(c);c.IsAwake()==false&&c.SetAwake(true);if(c.GetType()!=k.b2_staticBody){for(var m,r=c.m_contactList;r;r=r.next)if(!(r.contact.m_flags&l.e_islandFlag))if(!(r.contact.IsSensor()==true||r.contact.IsEnabled()==false||r.contact.IsTouching()==false)){g.AddContact(r.contact);r.contact.m_flags|=l.e_islandFlag;
-m=r.other;if(!(m.m_flags&k.e_islandFlag)){b[f++]=m;m.m_flags|=k.e_islandFlag}}for(c=c.m_jointList;c;c=c.next)if(c.joint.m_islandFlag!=true){m=c.other;if(m.IsActive()!=false){g.AddJoint(c.joint);c.joint.m_islandFlag=true;if(!(m.m_flags&k.e_islandFlag)){b[f++]=m;m.m_flags|=k.e_islandFlag}}}}}g.Solve(a,this.m_gravity,this.m_allowSleep);for(f=0;f<g.m_bodyCount;++f){c=g.m_bodies[f];if(c.GetType()==k.b2_staticBody)c.m_flags&=~k.e_islandFlag}}for(f=0;f<b.length;++f){if(!b[f])break;b[f]=null}for(c=this.m_bodyList;c;c=
-c.m_next)c.IsAwake()==false||c.IsActive()==false||c.GetType()!=k.b2_staticBody&&c.SynchronizeFixtures();this.m_contactManager.FindNewContacts()};h.prototype.SolveTOI=function(a){var c,g,b,e=this.m_island;e.Initialize(this.m_bodyCount,A.b2_maxTOIContactsPerIsland,A.b2_maxTOIJointsPerIsland,null,this.m_contactManager.m_contactListener,this.m_contactSolver);var f=h.s_queue;for(c=this.m_bodyList;c;c=c.m_next){c.m_flags&=~k.e_islandFlag;c.m_sweep.t0=0}for(b=this.m_contactList;b;b=b.m_next)b.m_flags&=~(l.e_toiFlag|
-l.e_islandFlag);for(b=this.m_jointList;b;b=b.m_next)b.m_islandFlag=false;for(;;){var m=null,r=1;for(b=this.m_contactList;b;b=b.m_next)if(!(b.IsSensor()==true||b.IsEnabled()==false||b.IsContinuous()==false)){c=1;if(b.m_flags&l.e_toiFlag)c=b.m_toi;else{c=b.m_fixtureA;g=b.m_fixtureB;c=c.m_body;g=g.m_body;if((c.GetType()!=k.b2_dynamicBody||c.IsAwake()==false)&&(g.GetType()!=k.b2_dynamicBody||g.IsAwake()==false))continue;var s=c.m_sweep.t0;if(c.m_sweep.t0<g.m_sweep.t0){s=g.m_sweep.t0;c.m_sweep.Advance(s)}else if(g.m_sweep.t0<
-c.m_sweep.t0){s=c.m_sweep.t0;g.m_sweep.Advance(s)}c=b.ComputeTOI(c.m_sweep,g.m_sweep);A.b2Assert(0<=c&&c<=1);if(c>0&&c<1){c=(1-c)*s+c;if(c>1)c=1}b.m_toi=c;b.m_flags|=l.e_toiFlag}if(Number.MIN_VALUE<c&&c<r){m=b;r=c}}if(m==null||1-100*Number.MIN_VALUE<r)break;c=m.m_fixtureA;g=m.m_fixtureB;c=c.m_body;g=g.m_body;h.s_backupA.Set(c.m_sweep);h.s_backupB.Set(g.m_sweep);c.Advance(r);g.Advance(r);m.Update(this.m_contactManager.m_contactListener);m.m_flags&=~l.e_toiFlag;if(m.IsSensor()==true||m.IsEnabled()==
-false){c.m_sweep.Set(h.s_backupA);g.m_sweep.Set(h.s_backupB);c.SynchronizeTransform();g.SynchronizeTransform()}else if(m.IsTouching()!=false){c=c;if(c.GetType()!=k.b2_dynamicBody)c=g;e.Clear();m=b=0;f[b+m++]=c;for(c.m_flags|=k.e_islandFlag;m>0;){c=f[b++];--m;e.AddBody(c);c.IsAwake()==false&&c.SetAwake(true);if(c.GetType()==k.b2_dynamicBody){for(g=c.m_contactList;g;g=g.next){if(e.m_contactCount==e.m_contactCapacity)break;if(!(g.contact.m_flags&l.e_islandFlag))if(!(g.contact.IsSensor()==true||g.contact.IsEnabled()==
-false||g.contact.IsTouching()==false)){e.AddContact(g.contact);g.contact.m_flags|=l.e_islandFlag;s=g.other;if(!(s.m_flags&k.e_islandFlag)){if(s.GetType()!=k.b2_staticBody){s.Advance(r);s.SetAwake(true)}f[b+m]=s;++m;s.m_flags|=k.e_islandFlag}}}for(c=c.m_jointList;c;c=c.next)if(e.m_jointCount!=e.m_jointCapacity)if(c.joint.m_islandFlag!=true){s=c.other;if(s.IsActive()!=false){e.AddJoint(c.joint);c.joint.m_islandFlag=true;if(!(s.m_flags&k.e_islandFlag)){if(s.GetType()!=k.b2_staticBody){s.Advance(r);s.SetAwake(true)}f[b+
-m]=s;++m;s.m_flags|=k.e_islandFlag}}}}}b=h.s_timestep;b.warmStarting=false;b.dt=(1-r)*a.dt;b.inv_dt=1/b.dt;b.dtRatio=0;b.velocityIterations=a.velocityIterations;b.positionIterations=a.positionIterations;e.SolveTOI(b);for(r=r=0;r<e.m_bodyCount;++r){c=e.m_bodies[r];c.m_flags&=~k.e_islandFlag;if(c.IsAwake()!=false)if(c.GetType()==k.b2_dynamicBody){c.SynchronizeFixtures();for(g=c.m_contactList;g;g=g.next)g.contact.m_flags&=~l.e_toiFlag}}for(r=0;r<e.m_contactCount;++r){b=e.m_contacts[r];b.m_flags&=~(l.e_toiFlag|
-l.e_islandFlag)}for(r=0;r<e.m_jointCount;++r){b=e.m_joints[r];b.m_islandFlag=false}this.m_contactManager.FindNewContacts()}}};h.prototype.DrawJoint=function(a){var c=a.GetBodyA(),g=a.GetBodyB(),b=c.m_xf.position,e=g.m_xf.position,f=a.GetAnchorA(),m=a.GetAnchorB(),r=h.s_jointColor;switch(a.m_type){case q.e_distanceJoint:this.m_debugDraw.DrawSegment(f,m,r);break;case q.e_pulleyJoint:c=a instanceof n?a:null;a=c.GetGroundAnchorA();c=c.GetGroundAnchorB();this.m_debugDraw.DrawSegment(a,f,r);this.m_debugDraw.DrawSegment(c,
-m,r);this.m_debugDraw.DrawSegment(a,c,r);break;case q.e_mouseJoint:this.m_debugDraw.DrawSegment(f,m,r);break;default:c!=this.m_groundBody&&this.m_debugDraw.DrawSegment(b,f,r);this.m_debugDraw.DrawSegment(f,m,r);g!=this.m_groundBody&&this.m_debugDraw.DrawSegment(e,m,r)}};h.prototype.DrawShape=function(a,c,g){switch(a.m_type){case Y.e_circleShape:var b=a instanceof M?a:null;this.m_debugDraw.DrawSolidCircle(F.MulX(c,b.m_p),b.m_radius,c.R.col1,g);break;case Y.e_polygonShape:b=0;b=a instanceof W?a:null;
-a=parseInt(b.GetVertexCount());var e=b.GetVertices(),f=new Vector(a);for(b=0;b<a;++b)f[b]=F.MulX(c,e[b]);this.m_debugDraw.DrawSolidPolygon(f,a,g);break;case Y.e_edgeShape:b=a instanceof L?a:null;this.m_debugDraw.DrawSegment(F.MulX(c,b.GetVertex1()),F.MulX(c,b.GetVertex2()),g)}};Box2D.postDefs.push(function(){Box2D.Dynamics.b2World.s_timestep2=new d;Box2D.Dynamics.b2World.s_xf=new K;Box2D.Dynamics.b2World.s_backupA=new G;Box2D.Dynamics.b2World.s_backupB=new G;Box2D.Dynamics.b2World.s_timestep=new d;
-Box2D.Dynamics.b2World.s_queue=new Vector;Box2D.Dynamics.b2World.s_jointColor=new w(0.5,0.8,0.8);Box2D.Dynamics.b2World.e_newFixture=1;Box2D.Dynamics.b2World.e_locked=2})})();
-(function(){var F=Box2D.Collision.Shapes.b2CircleShape,G=Box2D.Collision.Shapes.b2EdgeShape,K=Box2D.Collision.Shapes.b2PolygonShape,y=Box2D.Collision.Shapes.b2Shape,w=Box2D.Dynamics.Contacts.b2CircleContact,A=Box2D.Dynamics.Contacts.b2Contact,U=Box2D.Dynamics.Contacts.b2ContactConstraint,p=Box2D.Dynamics.Contacts.b2ContactConstraintPoint,B=Box2D.Dynamics.Contacts.b2ContactEdge,Q=Box2D.Dynamics.Contacts.b2ContactFactory,V=Box2D.Dynamics.Contacts.b2ContactRegister,M=Box2D.Dynamics.Contacts.b2ContactResult,
-L=Box2D.Dynamics.Contacts.b2ContactSolver,I=Box2D.Dynamics.Contacts.b2EdgeAndCircleContact,W=Box2D.Dynamics.Contacts.b2NullContact,Y=Box2D.Dynamics.Contacts.b2PolyAndCircleContact,k=Box2D.Dynamics.Contacts.b2PolyAndEdgeContact,z=Box2D.Dynamics.Contacts.b2PolygonContact,u=Box2D.Dynamics.Contacts.b2PositionSolverManifold,D=Box2D.Dynamics.b2Body,H=Box2D.Dynamics.b2TimeStep,O=Box2D.Common.b2Settings,E=Box2D.Common.Math.b2Mat22,R=Box2D.Common.Math.b2Math,N=Box2D.Common.Math.b2Vec2,S=Box2D.Collision.b2Collision,
-aa=Box2D.Collision.b2ContactID,Z=Box2D.Collision.b2Manifold,d=Box2D.Collision.b2TimeOfImpact,h=Box2D.Collision.b2TOIInput,l=Box2D.Collision.b2WorldManifold;Box2D.inherit(w,Box2D.Dynamics.Contacts.b2Contact);w.prototype.__super=Box2D.Dynamics.Contacts.b2Contact.prototype;w.b2CircleContact=function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};w.Create=function(){return new w};w.Destroy=function(){};w.prototype.Reset=function(j,o){this.__super.Reset.call(this,j,o)};w.prototype.Evaluate=
-function(){var j=this.m_fixtureA.GetBody(),o=this.m_fixtureB.GetBody();S.CollideCircles(this.m_manifold,this.m_fixtureA.GetShape()instanceof F?this.m_fixtureA.GetShape():null,j.m_xf,this.m_fixtureB.GetShape()instanceof F?this.m_fixtureB.GetShape():null,o.m_xf)};A.b2Contact=function(){this.m_nodeA=new B;this.m_nodeB=new B;this.m_manifold=new Z;this.m_oldManifold=new Z};A.prototype.GetManifold=function(){return this.m_manifold};A.prototype.GetWorldManifold=function(j){var o=this.m_fixtureA.GetBody(),
-q=this.m_fixtureB.GetBody(),n=this.m_fixtureA.GetShape(),a=this.m_fixtureB.GetShape();j.Initialize(this.m_manifold,o.GetTransform(),n.m_radius,q.GetTransform(),a.m_radius)};A.prototype.IsTouching=function(){return(this.m_flags&A.e_touchingFlag)==A.e_touchingFlag};A.prototype.IsContinuous=function(){return(this.m_flags&A.e_continuousFlag)==A.e_continuousFlag};A.prototype.SetSensor=function(j){if(j)this.m_flags|=A.e_sensorFlag;else this.m_flags&=~A.e_sensorFlag};A.prototype.IsSensor=function(){return(this.m_flags&
-A.e_sensorFlag)==A.e_sensorFlag};A.prototype.SetEnabled=function(j){if(j)this.m_flags|=A.e_enabledFlag;else this.m_flags&=~A.e_enabledFlag};A.prototype.IsEnabled=function(){return(this.m_flags&A.e_enabledFlag)==A.e_enabledFlag};A.prototype.GetNext=function(){return this.m_next};A.prototype.GetFixtureA=function(){return this.m_fixtureA};A.prototype.GetFixtureB=function(){return this.m_fixtureB};A.prototype.FlagForFiltering=function(){this.m_flags|=A.e_filterFlag};A.prototype.b2Contact=function(){};
-A.prototype.Reset=function(j,o){if(j===undefined)j=null;if(o===undefined)o=null;this.m_flags=A.e_enabledFlag;if(!j||!o)this.m_fixtureB=this.m_fixtureA=null;else{if(j.IsSensor()||o.IsSensor())this.m_flags|=A.e_sensorFlag;var q=j.GetBody(),n=o.GetBody();if(q.GetType()!=D.b2_dynamicBody||q.IsBullet()||n.GetType()!=D.b2_dynamicBody||n.IsBullet())this.m_flags|=A.e_continuousFlag;this.m_fixtureA=j;this.m_fixtureB=o;this.m_manifold.m_pointCount=0;this.m_next=this.m_prev=null;this.m_nodeA.contact=null;this.m_nodeA.prev=
-null;this.m_nodeA.next=null;this.m_nodeA.other=null;this.m_nodeB.contact=null;this.m_nodeB.prev=null;this.m_nodeB.next=null;this.m_nodeB.other=null}};A.prototype.Update=function(j){var o=this.m_oldManifold;this.m_oldManifold=this.m_manifold;this.m_manifold=o;this.m_flags|=A.e_enabledFlag;var q=false;o=(this.m_flags&A.e_touchingFlag)==A.e_touchingFlag;var n=this.m_fixtureA.m_body,a=this.m_fixtureB.m_body,c=this.m_fixtureA.m_aabb.TestOverlap(this.m_fixtureB.m_aabb);if(this.m_flags&A.e_sensorFlag){if(c){q=
-this.m_fixtureA.GetShape();c=this.m_fixtureB.GetShape();n=n.GetTransform();a=a.GetTransform();q=y.TestOverlap(q,n,c,a)}this.m_manifold.m_pointCount=0}else{if(n.GetType()!=D.b2_dynamicBody||n.IsBullet()||a.GetType()!=D.b2_dynamicBody||a.IsBullet())this.m_flags|=A.e_continuousFlag;else this.m_flags&=~A.e_continuousFlag;if(c){this.Evaluate();q=this.m_manifold.m_pointCount>0;for(c=0;c<this.m_manifold.m_pointCount;++c){var g=this.m_manifold.m_points[c];g.m_normalImpulse=0;g.m_tangentImpulse=0;for(var b=
-g.m_id,e=0;e<this.m_oldManifold.m_pointCount;++e){var f=this.m_oldManifold.m_points[e];if(f.m_id.key==b.key){g.m_normalImpulse=f.m_normalImpulse;g.m_tangentImpulse=f.m_tangentImpulse;break}}}}else this.m_manifold.m_pointCount=0;if(q!=o){n.SetAwake(true);a.SetAwake(true)}}if(q)this.m_flags|=A.e_touchingFlag;else this.m_flags&=~A.e_touchingFlag;o==false&&q==true&&j.BeginContact(this);o==true&&q==false&&j.EndContact(this);(this.m_flags&A.e_sensorFlag)==0&&j.PreSolve(this,this.m_oldManifold)};A.prototype.Evaluate=
-function(){};A.prototype.ComputeTOI=function(j,o){A.s_input.proxyA.Set(this.m_fixtureA.GetShape());A.s_input.proxyB.Set(this.m_fixtureB.GetShape());A.s_input.sweepA=j;A.s_input.sweepB=o;A.s_input.tolerance=O.b2_linearSlop;return d.TimeOfImpact(A.s_input)};Box2D.postDefs.push(function(){Box2D.Dynamics.Contacts.b2Contact.e_sensorFlag=1;Box2D.Dynamics.Contacts.b2Contact.e_continuousFlag=2;Box2D.Dynamics.Contacts.b2Contact.e_islandFlag=4;Box2D.Dynamics.Contacts.b2Contact.e_toiFlag=8;Box2D.Dynamics.Contacts.b2Contact.e_touchingFlag=
-16;Box2D.Dynamics.Contacts.b2Contact.e_enabledFlag=32;Box2D.Dynamics.Contacts.b2Contact.e_filterFlag=64;Box2D.Dynamics.Contacts.b2Contact.s_input=new h});U.b2ContactConstraint=function(){this.localPlaneNormal=new N;this.localPoint=new N;this.normal=new N;this.normalMass=new E;this.K=new E};U.prototype.b2ContactConstraint=function(){this.points=new Vector(O.b2_maxManifoldPoints);for(var j=0;j<O.b2_maxManifoldPoints;j++)this.points[j]=new p};p.b2ContactConstraintPoint=function(){this.localPoint=new N;
-this.rA=new N;this.rB=new N};B.b2ContactEdge=function(){};Q.b2ContactFactory=function(){};Q.prototype.b2ContactFactory=function(j){this.m_allocator=j;this.InitializeRegisters()};Q.prototype.AddType=function(j,o,q,n){if(q===undefined)q=0;if(n===undefined)n=0;this.m_registers[q][n].createFcn=j;this.m_registers[q][n].destroyFcn=o;this.m_registers[q][n].primary=true;if(q!=n){this.m_registers[n][q].createFcn=j;this.m_registers[n][q].destroyFcn=o;this.m_registers[n][q].primary=false}};Q.prototype.InitializeRegisters=
-function(){this.m_registers=new Vector(y.e_shapeTypeCount);for(var j=0;j<y.e_shapeTypeCount;j++){this.m_registers[j]=new Vector(y.e_shapeTypeCount);for(var o=0;o<y.e_shapeTypeCount;o++)this.m_registers[j][o]=new V}this.AddType(w.Create,w.Destroy,y.e_circleShape,y.e_circleShape);this.AddType(Y.Create,Y.Destroy,y.e_polygonShape,y.e_circleShape);this.AddType(z.Create,z.Destroy,y.e_polygonShape,y.e_polygonShape);this.AddType(I.Create,I.Destroy,y.e_edgeShape,y.e_circleShape);this.AddType(k.Create,k.Destroy,
-y.e_polygonShape,y.e_edgeShape)};Q.prototype.Create=function(j,o){var q=parseInt(j.GetType()),n=parseInt(o.GetType());q=this.m_registers[q][n];if(q.pool){n=q.pool;q.pool=n.m_next;q.poolCount--;n.Reset(j,o);return n}n=q.createFcn;if(n!=null){if(q.primary){n=n(this.m_allocator);n.Reset(j,o)}else{n=n(this.m_allocator);n.Reset(o,j)}return n}else return null};Q.prototype.Destroy=function(j){if(j.m_manifold.m_pointCount>0){j.m_fixtureA.m_body.SetAwake(true);j.m_fixtureB.m_body.SetAwake(true)}var o=parseInt(j.m_fixtureA.GetType()),
-q=parseInt(j.m_fixtureB.GetType());o=this.m_registers[o][q];o.poolCount++;j.m_next=o.pool;o.pool=j;o=o.destroyFcn;o(j,this.m_allocator)};V.b2ContactRegister=function(){};M.b2ContactResult=function(){this.position=new N;this.normal=new N;this.id=new aa};L.b2ContactSolver=function(){this.m_step=new H;this.m_constraints=new Vector};L.prototype.b2ContactSolver=function(){};L.prototype.Initialize=function(j,o,q,n){if(q===undefined)q=0;var a;this.m_step.Set(j);this.m_allocator=n;j=0;for(this.m_constraintCount=
-q;this.m_constraints.length<this.m_constraintCount;)this.m_constraints[this.m_constraints.length]=new U;for(j=0;j<q;++j){a=o[j];n=a.m_fixtureA;var c=a.m_fixtureB,g=n.m_shape.m_radius,b=c.m_shape.m_radius,e=n.m_body,f=c.m_body,m=a.GetManifold(),r=O.b2MixFriction(n.GetFriction(),c.GetFriction()),s=O.b2MixRestitution(n.GetRestitution(),c.GetRestitution()),v=e.m_linearVelocity.x,t=e.m_linearVelocity.y,x=f.m_linearVelocity.x,C=f.m_linearVelocity.y,J=e.m_angularVelocity,T=f.m_angularVelocity;O.b2Assert(m.m_pointCount>
-0);L.s_worldManifold.Initialize(m,e.m_xf,g,f.m_xf,b);c=L.s_worldManifold.m_normal.x;a=L.s_worldManifold.m_normal.y;n=this.m_constraints[j];n.bodyA=e;n.bodyB=f;n.manifold=m;n.normal.x=c;n.normal.y=a;n.pointCount=m.m_pointCount;n.friction=r;n.restitution=s;n.localPlaneNormal.x=m.m_localPlaneNormal.x;n.localPlaneNormal.y=m.m_localPlaneNormal.y;n.localPoint.x=m.m_localPoint.x;n.localPoint.y=m.m_localPoint.y;n.radius=g+b;n.type=m.m_type;for(g=0;g<n.pointCount;++g){r=m.m_points[g];b=n.points[g];b.normalImpulse=
-r.m_normalImpulse;b.tangentImpulse=r.m_tangentImpulse;b.localPoint.SetV(r.m_localPoint);r=b.rA.x=L.s_worldManifold.m_points[g].x-e.m_sweep.c.x;s=b.rA.y=L.s_worldManifold.m_points[g].y-e.m_sweep.c.y;var P=b.rB.x=L.s_worldManifold.m_points[g].x-f.m_sweep.c.x,X=b.rB.y=L.s_worldManifold.m_points[g].y-f.m_sweep.c.y,$=r*a-s*c,ba=P*a-X*c;$*=$;ba*=ba;b.normalMass=1/(e.m_invMass+f.m_invMass+e.m_invI*$+f.m_invI*ba);var ca=e.m_mass*e.m_invMass+f.m_mass*f.m_invMass;ca+=e.m_mass*e.m_invI*$+f.m_mass*f.m_invI*ba;
-b.equalizedMass=1/ca;ba=a;ca=-c;$=r*ca-s*ba;ba=P*ca-X*ba;$*=$;ba*=ba;b.tangentMass=1/(e.m_invMass+f.m_invMass+e.m_invI*$+f.m_invI*ba);b.velocityBias=0;r=n.normal.x*(x+-T*X-v- -J*s)+n.normal.y*(C+T*P-t-J*r);if(r<-O.b2_velocityThreshold)b.velocityBias+=-n.restitution*r}if(n.pointCount==2){C=n.points[0];x=n.points[1];m=e.m_invMass;e=e.m_invI;v=f.m_invMass;f=f.m_invI;t=C.rA.x*a-C.rA.y*c;C=C.rB.x*a-C.rB.y*c;J=x.rA.x*a-x.rA.y*c;x=x.rB.x*a-x.rB.y*c;c=m+v+e*t*t+f*C*C;a=m+v+e*J*J+f*x*x;f=m+v+e*t*J+f*C*x;if(c*
-c<100*(c*a-f*f)){n.K.col1.Set(c,f);n.K.col2.Set(f,a);n.K.GetInverse(n.normalMass)}else n.pointCount=1}}};L.prototype.InitVelocityConstraints=function(j){for(var o=0;o<this.m_constraintCount;++o){var q=this.m_constraints[o],n=q.bodyA,a=q.bodyB,c=n.m_invMass,g=n.m_invI,b=a.m_invMass,e=a.m_invI,f=q.normal.x,m=q.normal.y,r=m,s=-f,v=0,t=0;if(j.warmStarting){t=q.pointCount;for(v=0;v<t;++v){var x=q.points[v];x.normalImpulse*=j.dtRatio;x.tangentImpulse*=j.dtRatio;var C=x.normalImpulse*f+x.tangentImpulse*
-r,J=x.normalImpulse*m+x.tangentImpulse*s;n.m_angularVelocity-=g*(x.rA.x*J-x.rA.y*C);n.m_linearVelocity.x-=c*C;n.m_linearVelocity.y-=c*J;a.m_angularVelocity+=e*(x.rB.x*J-x.rB.y*C);a.m_linearVelocity.x+=b*C;a.m_linearVelocity.y+=b*J}}else{t=q.pointCount;for(v=0;v<t;++v){n=q.points[v];n.normalImpulse=0;n.tangentImpulse=0}}}};L.prototype.SolveVelocityConstraints=function(){for(var j=0,o,q=0,n=0,a=0,c=n=n=q=q=0,g=q=q=0,b=q=a=0,e=0,f,m=0;m<this.m_constraintCount;++m){a=this.m_constraints[m];var r=a.bodyA,
-s=a.bodyB,v=r.m_angularVelocity,t=s.m_angularVelocity,x=r.m_linearVelocity,C=s.m_linearVelocity,J=r.m_invMass,T=r.m_invI,P=s.m_invMass,X=s.m_invI;b=a.normal.x;var $=e=a.normal.y;f=-b;g=a.friction;for(j=0;j<a.pointCount;j++){o=a.points[j];q=C.x-t*o.rB.y-x.x+v*o.rA.y;n=C.y+t*o.rB.x-x.y-v*o.rA.x;q=q*$+n*f;q=o.tangentMass*-q;n=g*o.normalImpulse;n=R.Clamp(o.tangentImpulse+q,-n,n);q=n-o.tangentImpulse;c=q*$;q=q*f;x.x-=J*c;x.y-=J*q;v-=T*(o.rA.x*q-o.rA.y*c);C.x+=P*c;C.y+=P*q;t+=X*(o.rB.x*q-o.rB.y*c);o.tangentImpulse=
-n}parseInt(a.pointCount);if(a.pointCount==1){o=a.points[0];q=C.x+-t*o.rB.y-x.x- -v*o.rA.y;n=C.y+t*o.rB.x-x.y-v*o.rA.x;a=q*b+n*e;q=-o.normalMass*(a-o.velocityBias);n=o.normalImpulse+q;n=n>0?n:0;q=n-o.normalImpulse;c=q*b;q=q*e;x.x-=J*c;x.y-=J*q;v-=T*(o.rA.x*q-o.rA.y*c);C.x+=P*c;C.y+=P*q;t+=X*(o.rB.x*q-o.rB.y*c);o.normalImpulse=n}else{o=a.points[0];j=a.points[1];q=o.normalImpulse;g=j.normalImpulse;var ba=(C.x-t*o.rB.y-x.x+v*o.rA.y)*b+(C.y+t*o.rB.x-x.y-v*o.rA.x)*e,ca=(C.x-t*j.rB.y-x.x+v*j.rA.y)*b+(C.y+
-t*j.rB.x-x.y-v*j.rA.x)*e;n=ba-o.velocityBias;c=ca-j.velocityBias;f=a.K;n-=f.col1.x*q+f.col2.x*g;for(c-=f.col1.y*q+f.col2.y*g;;){f=a.normalMass;$=-(f.col1.x*n+f.col2.x*c);f=-(f.col1.y*n+f.col2.y*c);if($>=0&&f>=0){q=$-q;g=f-g;a=q*b;q=q*e;b=g*b;e=g*e;x.x-=J*(a+b);x.y-=J*(q+e);v-=T*(o.rA.x*q-o.rA.y*a+j.rA.x*e-j.rA.y*b);C.x+=P*(a+b);C.y+=P*(q+e);t+=X*(o.rB.x*q-o.rB.y*a+j.rB.x*e-j.rB.y*b);o.normalImpulse=$;j.normalImpulse=f;break}$=-o.normalMass*n;f=0;ca=a.K.col1.y*$+c;if($>=0&&ca>=0){q=$-q;g=f-g;a=q*b;
-q=q*e;b=g*b;e=g*e;x.x-=J*(a+b);x.y-=J*(q+e);v-=T*(o.rA.x*q-o.rA.y*a+j.rA.x*e-j.rA.y*b);C.x+=P*(a+b);C.y+=P*(q+e);t+=X*(o.rB.x*q-o.rB.y*a+j.rB.x*e-j.rB.y*b);o.normalImpulse=$;j.normalImpulse=f;break}$=0;f=-j.normalMass*c;ba=a.K.col2.x*f+n;if(f>=0&&ba>=0){q=$-q;g=f-g;a=q*b;q=q*e;b=g*b;e=g*e;x.x-=J*(a+b);x.y-=J*(q+e);v-=T*(o.rA.x*q-o.rA.y*a+j.rA.x*e-j.rA.y*b);C.x+=P*(a+b);C.y+=P*(q+e);t+=X*(o.rB.x*q-o.rB.y*a+j.rB.x*e-j.rB.y*b);o.normalImpulse=$;j.normalImpulse=f;break}f=$=0;ba=n;ca=c;if(ba>=0&&ca>=0){q=
-$-q;g=f-g;a=q*b;q=q*e;b=g*b;e=g*e;x.x-=J*(a+b);x.y-=J*(q+e);v-=T*(o.rA.x*q-o.rA.y*a+j.rA.x*e-j.rA.y*b);C.x+=P*(a+b);C.y+=P*(q+e);t+=X*(o.rB.x*q-o.rB.y*a+j.rB.x*e-j.rB.y*b);o.normalImpulse=$;j.normalImpulse=f;break}break}}r.m_angularVelocity=v;s.m_angularVelocity=t}};L.prototype.FinalizeVelocityConstraints=function(){for(var j=0;j<this.m_constraintCount;++j)for(var o=this.m_constraints[j],q=o.manifold,n=0;n<o.pointCount;++n){var a=q.m_points[n],c=o.points[n];a.m_normalImpulse=c.normalImpulse;a.m_tangentImpulse=
-c.tangentImpulse}};L.prototype.SolvePositionConstraints=function(j){if(j===undefined)j=0;for(var o=0,q=0;q<this.m_constraintCount;q++){var n=this.m_constraints[q],a=n.bodyA,c=n.bodyB,g=a.m_mass*a.m_invMass,b=a.m_mass*a.m_invI,e=c.m_mass*c.m_invMass,f=c.m_mass*c.m_invI;L.s_psm.Initialize(n);for(var m=L.s_psm.m_normal,r=0;r<n.pointCount;r++){var s=n.points[r],v=L.s_psm.m_points[r],t=L.s_psm.m_separations[r],x=v.x-a.m_sweep.c.x,C=v.y-a.m_sweep.c.y,J=v.x-c.m_sweep.c.x;v=v.y-c.m_sweep.c.y;o=o<t?o:t;t=
-R.Clamp(j*(t+O.b2_linearSlop),-O.b2_maxLinearCorrection,0);t=-s.equalizedMass*t;s=t*m.x;t=t*m.y;a.m_sweep.c.x-=g*s;a.m_sweep.c.y-=g*t;a.m_sweep.a-=b*(x*t-C*s);a.SynchronizeTransform();c.m_sweep.c.x+=e*s;c.m_sweep.c.y+=e*t;c.m_sweep.a+=f*(J*t-v*s);c.SynchronizeTransform()}}return o>-1.5*O.b2_linearSlop};Box2D.postDefs.push(function(){Box2D.Dynamics.Contacts.b2ContactSolver.s_worldManifold=new l;Box2D.Dynamics.Contacts.b2ContactSolver.s_psm=new u});Box2D.inherit(I,Box2D.Dynamics.Contacts.b2Contact);
-I.prototype.__super=Box2D.Dynamics.Contacts.b2Contact.prototype;I.b2EdgeAndCircleContact=function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};I.Create=function(){return new I};I.Destroy=function(){};I.prototype.Reset=function(j,o){this.__super.Reset.call(this,j,o)};I.prototype.Evaluate=function(){var j=this.m_fixtureA.GetBody(),o=this.m_fixtureB.GetBody();this.b2CollideEdgeAndCircle(this.m_manifold,this.m_fixtureA.GetShape()instanceof G?this.m_fixtureA.GetShape():null,j.m_xf,
-this.m_fixtureB.GetShape()instanceof F?this.m_fixtureB.GetShape():null,o.m_xf)};I.prototype.b2CollideEdgeAndCircle=function(){};Box2D.inherit(W,Box2D.Dynamics.Contacts.b2Contact);W.prototype.__super=Box2D.Dynamics.Contacts.b2Contact.prototype;W.b2NullContact=function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};W.prototype.b2NullContact=function(){this.__super.b2Contact.call(this)};W.prototype.Evaluate=function(){};Box2D.inherit(Y,Box2D.Dynamics.Contacts.b2Contact);Y.prototype.__super=
-Box2D.Dynamics.Contacts.b2Contact.prototype;Y.b2PolyAndCircleContact=function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};Y.Create=function(){return new Y};Y.Destroy=function(){};Y.prototype.Reset=function(j,o){this.__super.Reset.call(this,j,o);O.b2Assert(j.GetType()==y.e_polygonShape);O.b2Assert(o.GetType()==y.e_circleShape)};Y.prototype.Evaluate=function(){var j=this.m_fixtureA.m_body,o=this.m_fixtureB.m_body;S.CollidePolygonAndCircle(this.m_manifold,this.m_fixtureA.GetShape()instanceof
-K?this.m_fixtureA.GetShape():null,j.m_xf,this.m_fixtureB.GetShape()instanceof F?this.m_fixtureB.GetShape():null,o.m_xf)};Box2D.inherit(k,Box2D.Dynamics.Contacts.b2Contact);k.prototype.__super=Box2D.Dynamics.Contacts.b2Contact.prototype;k.b2PolyAndEdgeContact=function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};k.Create=function(){return new k};k.Destroy=function(){};k.prototype.Reset=function(j,o){this.__super.Reset.call(this,j,o);O.b2Assert(j.GetType()==y.e_polygonShape);
-O.b2Assert(o.GetType()==y.e_edgeShape)};k.prototype.Evaluate=function(){var j=this.m_fixtureA.GetBody(),o=this.m_fixtureB.GetBody();this.b2CollidePolyAndEdge(this.m_manifold,this.m_fixtureA.GetShape()instanceof K?this.m_fixtureA.GetShape():null,j.m_xf,this.m_fixtureB.GetShape()instanceof G?this.m_fixtureB.GetShape():null,o.m_xf)};k.prototype.b2CollidePolyAndEdge=function(){};Box2D.inherit(z,Box2D.Dynamics.Contacts.b2Contact);z.prototype.__super=Box2D.Dynamics.Contacts.b2Contact.prototype;z.b2PolygonContact=
-function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};z.Create=function(){return new z};z.Destroy=function(){};z.prototype.Reset=function(j,o){this.__super.Reset.call(this,j,o)};z.prototype.Evaluate=function(){var j=this.m_fixtureA.GetBody(),o=this.m_fixtureB.GetBody();S.CollidePolygons(this.m_manifold,this.m_fixtureA.GetShape()instanceof K?this.m_fixtureA.GetShape():null,j.m_xf,this.m_fixtureB.GetShape()instanceof K?this.m_fixtureB.GetShape():null,o.m_xf)};u.b2PositionSolverManifold=
-function(){};u.prototype.b2PositionSolverManifold=function(){this.m_normal=new N;this.m_separations=new Vector_a2j_Number(O.b2_maxManifoldPoints);this.m_points=new Vector(O.b2_maxManifoldPoints);for(var j=0;j<O.b2_maxManifoldPoints;j++)this.m_points[j]=new N};u.prototype.Initialize=function(j){O.b2Assert(j.pointCount>0);var o=0,q=0,n=0,a,c=0,g=0;switch(j.type){case Z.e_circles:a=j.bodyA.m_xf.R;n=j.localPoint;o=j.bodyA.m_xf.position.x+(a.col1.x*n.x+a.col2.x*n.y);q=j.bodyA.m_xf.position.y+(a.col1.y*
-n.x+a.col2.y*n.y);a=j.bodyB.m_xf.R;n=j.points[0].localPoint;c=j.bodyB.m_xf.position.x+(a.col1.x*n.x+a.col2.x*n.y);a=j.bodyB.m_xf.position.y+(a.col1.y*n.x+a.col2.y*n.y);n=c-o;g=a-q;var b=n*n+g*g;if(b>Number.MIN_VALUE*Number.MIN_VALUE){b=Math.sqrt(b);this.m_normal.x=n/b;this.m_normal.y=g/b}else{this.m_normal.x=1;this.m_normal.y=0}this.m_points[0].x=0.5*(o+c);this.m_points[0].y=0.5*(q+a);this.m_separations[0]=n*this.m_normal.x+g*this.m_normal.y-j.radius;break;case Z.e_faceA:a=j.bodyA.m_xf.R;n=j.localPlaneNormal;
-this.m_normal.x=a.col1.x*n.x+a.col2.x*n.y;this.m_normal.y=a.col1.y*n.x+a.col2.y*n.y;a=j.bodyA.m_xf.R;n=j.localPoint;c=j.bodyA.m_xf.position.x+(a.col1.x*n.x+a.col2.x*n.y);g=j.bodyA.m_xf.position.y+(a.col1.y*n.x+a.col2.y*n.y);a=j.bodyB.m_xf.R;for(o=0;o<j.pointCount;++o){n=j.points[o].localPoint;q=j.bodyB.m_xf.position.x+(a.col1.x*n.x+a.col2.x*n.y);n=j.bodyB.m_xf.position.y+(a.col1.y*n.x+a.col2.y*n.y);this.m_separations[o]=(q-c)*this.m_normal.x+(n-g)*this.m_normal.y-j.radius;this.m_points[o].x=q;this.m_points[o].y=
-n}break;case Z.e_faceB:a=j.bodyB.m_xf.R;n=j.localPlaneNormal;this.m_normal.x=a.col1.x*n.x+a.col2.x*n.y;this.m_normal.y=a.col1.y*n.x+a.col2.y*n.y;a=j.bodyB.m_xf.R;n=j.localPoint;c=j.bodyB.m_xf.position.x+(a.col1.x*n.x+a.col2.x*n.y);g=j.bodyB.m_xf.position.y+(a.col1.y*n.x+a.col2.y*n.y);a=j.bodyA.m_xf.R;for(o=0;o<j.pointCount;++o){n=j.points[o].localPoint;q=j.bodyA.m_xf.position.x+(a.col1.x*n.x+a.col2.x*n.y);n=j.bodyA.m_xf.position.y+(a.col1.y*n.x+a.col2.y*n.y);this.m_separations[o]=(q-c)*this.m_normal.x+
-(n-g)*this.m_normal.y-j.radius;this.m_points[o].Set(q,n)}this.m_normal.x*=-1;this.m_normal.y*=-1}};Box2D.postDefs.push(function(){Box2D.Dynamics.Contacts.b2PositionSolverManifold.circlePointA=new N;Box2D.Dynamics.Contacts.b2PositionSolverManifold.circlePointB=new N})})();
-(function(){var F=Box2D.Common.Math.b2Mat22,G=Box2D.Common.Math.b2Math,K=Box2D.Common.Math.b2Vec2,y=Box2D.Common.b2Color,w=Box2D.Dynamics.Controllers.b2BuoyancyController,A=Box2D.Dynamics.Controllers.b2ConstantAccelController,U=Box2D.Dynamics.Controllers.b2ConstantForceController,p=Box2D.Dynamics.Controllers.b2Controller,B=Box2D.Dynamics.Controllers.b2ControllerEdge,Q=Box2D.Dynamics.Controllers.b2GravityController,V=Box2D.Dynamics.Controllers.b2TensorDampingController;Box2D.inherit(w,Box2D.Dynamics.Controllers.b2Controller);
-w.prototype.__super=Box2D.Dynamics.Controllers.b2Controller.prototype;w.b2BuoyancyController=function(){Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this,arguments);this.normal=new K(0,-1);this.density=this.offset=0;this.velocity=new K(0,0);this.linearDrag=2;this.angularDrag=1;this.useDensity=false;this.useWorldGravity=true;this.gravity=null};w.prototype.Step=function(){if(this.m_bodyList){if(this.useWorldGravity)this.gravity=this.GetWorld().GetGravity().Copy();for(var M=this.m_bodyList;M;M=
-M.nextBody){var L=M.body;if(L.IsAwake()!=false){for(var I=new K,W=new K,Y=0,k=0,z=L.GetFixtureList();z;z=z.GetNext()){var u=new K,D=z.GetShape().ComputeSubmergedArea(this.normal,this.offset,L.GetTransform(),u);Y+=D;I.x+=D*u.x;I.y+=D*u.y;var H=0;H=1;k+=D*H;W.x+=D*u.x*H;W.y+=D*u.y*H}I.x/=Y;I.y/=Y;W.x/=k;W.y/=k;if(!(Y<Number.MIN_VALUE)){k=this.gravity.GetNegative();k.Multiply(this.density*Y);L.ApplyForce(k,W);W=L.GetLinearVelocityFromWorldPoint(I);W.Subtract(this.velocity);W.Multiply(-this.linearDrag*
-Y);L.ApplyForce(W,I);L.ApplyTorque(-L.GetInertia()/L.GetMass()*Y*L.GetAngularVelocity()*this.angularDrag)}}}}};w.prototype.Draw=function(M){var L=new K,I=new K;L.x=this.normal.x*this.offset+this.normal.y*1E3;L.y=this.normal.y*this.offset-this.normal.x*1E3;I.x=this.normal.x*this.offset-this.normal.y*1E3;I.y=this.normal.y*this.offset+this.normal.x*1E3;var W=new y(0,0,1);M.DrawSegment(L,I,W)};Box2D.inherit(A,Box2D.Dynamics.Controllers.b2Controller);A.prototype.__super=Box2D.Dynamics.Controllers.b2Controller.prototype;
-A.b2ConstantAccelController=function(){Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this,arguments);this.A=new K(0,0)};A.prototype.Step=function(M){M=new K(this.A.x*M.dt,this.A.y*M.dt);for(var L=this.m_bodyList;L;L=L.nextBody){var I=L.body;I.IsAwake()&&I.SetLinearVelocity(new K(I.GetLinearVelocity().x+M.x,I.GetLinearVelocity().y+M.y))}};Box2D.inherit(U,Box2D.Dynamics.Controllers.b2Controller);U.prototype.__super=Box2D.Dynamics.Controllers.b2Controller.prototype;U.b2ConstantForceController=
-function(){Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this,arguments);this.F=new K(0,0)};U.prototype.Step=function(){for(var M=this.m_bodyList;M;M=M.nextBody){var L=M.body;L.IsAwake()&&L.ApplyForce(this.F,L.GetWorldCenter())}};p.b2Controller=function(){};p.prototype.Step=function(){};p.prototype.Draw=function(){};p.prototype.AddBody=function(M){var L=new B;L.controller=this;L.body=M;L.nextBody=this.m_bodyList;L.prevBody=null;this.m_bodyList=L;if(L.nextBody)L.nextBody.prevBody=L;this.m_bodyCount++;
-L.nextController=M.m_controllerList;L.prevController=null;M.m_controllerList=L;if(L.nextController)L.nextController.prevController=L;M.m_controllerCount++};p.prototype.RemoveBody=function(M){for(var L=M.m_controllerList;L&&L.controller!=this;)L=L.nextController;if(L.prevBody)L.prevBody.nextBody=L.nextBody;if(L.nextBody)L.nextBody.prevBody=L.prevBody;if(L.nextController)L.nextController.prevController=L.prevController;if(L.prevController)L.prevController.nextController=L.nextController;if(this.m_bodyList==
-L)this.m_bodyList=L.nextBody;if(M.m_controllerList==L)M.m_controllerList=L.nextController;M.m_controllerCount--;this.m_bodyCount--};p.prototype.Clear=function(){for(;this.m_bodyList;)this.RemoveBody(this.m_bodyList.body)};p.prototype.GetNext=function(){return this.m_next};p.prototype.GetWorld=function(){return this.m_world};p.prototype.GetBodyList=function(){return this.m_bodyList};B.b2ControllerEdge=function(){};Box2D.inherit(Q,Box2D.Dynamics.Controllers.b2Controller);Q.prototype.__super=Box2D.Dynamics.Controllers.b2Controller.prototype;
-Q.b2GravityController=function(){Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this,arguments);this.G=1;this.invSqr=true};Q.prototype.Step=function(){var M=null,L=null,I=null,W=0,Y=null,k=null,z=null,u=0,D=0,H=0;u=null;if(this.invSqr)for(M=this.m_bodyList;M;M=M.nextBody){L=M.body;I=L.GetWorldCenter();W=L.GetMass();for(Y=this.m_bodyList;Y!=M;Y=Y.nextBody){k=Y.body;z=k.GetWorldCenter();u=z.x-I.x;D=z.y-I.y;H=u*u+D*D;if(!(H<Number.MIN_VALUE)){u=new K(u,D);u.Multiply(this.G/H/Math.sqrt(H)*
-W*k.GetMass());L.IsAwake()&&L.ApplyForce(u,I);u.Multiply(-1);k.IsAwake()&&k.ApplyForce(u,z)}}}else for(M=this.m_bodyList;M;M=M.nextBody){L=M.body;I=L.GetWorldCenter();W=L.GetMass();for(Y=this.m_bodyList;Y!=M;Y=Y.nextBody){k=Y.body;z=k.GetWorldCenter();u=z.x-I.x;D=z.y-I.y;H=u*u+D*D;if(!(H<Number.MIN_VALUE)){u=new K(u,D);u.Multiply(this.G/H*W*k.GetMass());L.IsAwake()&&L.ApplyForce(u,I);u.Multiply(-1);k.IsAwake()&&k.ApplyForce(u,z)}}}};Box2D.inherit(V,Box2D.Dynamics.Controllers.b2Controller);V.prototype.__super=
-Box2D.Dynamics.Controllers.b2Controller.prototype;V.b2TensorDampingController=function(){Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this,arguments);this.T=new F;this.maxTimestep=0};V.prototype.SetAxisAligned=function(M,L){if(M===undefined)M=0;if(L===undefined)L=0;this.T.col1.x=-M;this.T.col1.y=0;this.T.col2.x=0;this.T.col2.y=-L;this.maxTimestep=M>0||L>0?1/Math.max(M,L):0};V.prototype.Step=function(M){M=M.dt;if(!(M<=Number.MIN_VALUE)){if(M>this.maxTimestep&&this.maxTimestep>0)M=this.maxTimestep;
-for(var L=this.m_bodyList;L;L=L.nextBody){var I=L.body;if(I.IsAwake()){var W=I.GetWorldVector(G.MulMV(this.T,I.GetLocalVector(I.GetLinearVelocity())));I.SetLinearVelocity(new K(I.GetLinearVelocity().x+W.x*M,I.GetLinearVelocity().y+W.y*M))}}}}})();
-(function(){var F=Box2D.Common.b2Settings,G=Box2D.Common.Math.b2Mat22,K=Box2D.Common.Math.b2Mat33,y=Box2D.Common.Math.b2Math,w=Box2D.Common.Math.b2Vec2,A=Box2D.Common.Math.b2Vec3,U=Box2D.Dynamics.Joints.b2DistanceJoint,p=Box2D.Dynamics.Joints.b2DistanceJointDef,B=Box2D.Dynamics.Joints.b2FrictionJoint,Q=Box2D.Dynamics.Joints.b2FrictionJointDef,V=Box2D.Dynamics.Joints.b2GearJoint,M=Box2D.Dynamics.Joints.b2GearJointDef,L=Box2D.Dynamics.Joints.b2Jacobian,I=Box2D.Dynamics.Joints.b2Joint,W=Box2D.Dynamics.Joints.b2JointDef,
-Y=Box2D.Dynamics.Joints.b2JointEdge,k=Box2D.Dynamics.Joints.b2LineJoint,z=Box2D.Dynamics.Joints.b2LineJointDef,u=Box2D.Dynamics.Joints.b2MouseJoint,D=Box2D.Dynamics.Joints.b2MouseJointDef,H=Box2D.Dynamics.Joints.b2PrismaticJoint,O=Box2D.Dynamics.Joints.b2PrismaticJointDef,E=Box2D.Dynamics.Joints.b2PulleyJoint,R=Box2D.Dynamics.Joints.b2PulleyJointDef,N=Box2D.Dynamics.Joints.b2RevoluteJoint,S=Box2D.Dynamics.Joints.b2RevoluteJointDef,aa=Box2D.Dynamics.Joints.b2WeldJoint,Z=Box2D.Dynamics.Joints.b2WeldJointDef;
-Box2D.inherit(U,Box2D.Dynamics.Joints.b2Joint);U.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;U.b2DistanceJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_localAnchor1=new w;this.m_localAnchor2=new w;this.m_u=new w};U.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};U.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};U.prototype.GetReactionForce=function(d){if(d===undefined)d=
-0;return new w(d*this.m_impulse*this.m_u.x,d*this.m_impulse*this.m_u.y)};U.prototype.GetReactionTorque=function(){return 0};U.prototype.GetLength=function(){return this.m_length};U.prototype.SetLength=function(d){if(d===undefined)d=0;this.m_length=d};U.prototype.GetFrequency=function(){return this.m_frequencyHz};U.prototype.SetFrequency=function(d){if(d===undefined)d=0;this.m_frequencyHz=d};U.prototype.GetDampingRatio=function(){return this.m_dampingRatio};U.prototype.SetDampingRatio=function(d){if(d===
-undefined)d=0;this.m_dampingRatio=d};U.prototype.b2DistanceJoint=function(d){this.__super.b2Joint.call(this,d);this.m_localAnchor1.SetV(d.localAnchorA);this.m_localAnchor2.SetV(d.localAnchorB);this.m_length=d.length;this.m_frequencyHz=d.frequencyHz;this.m_dampingRatio=d.dampingRatio;this.m_bias=this.m_gamma=this.m_impulse=0};U.prototype.InitVelocityConstraints=function(d){var h,l=0,j=this.m_bodyA,o=this.m_bodyB;h=j.m_xf.R;var q=this.m_localAnchor1.x-j.m_sweep.localCenter.x,n=this.m_localAnchor1.y-
-j.m_sweep.localCenter.y;l=h.col1.x*q+h.col2.x*n;n=h.col1.y*q+h.col2.y*n;q=l;h=o.m_xf.R;var a=this.m_localAnchor2.x-o.m_sweep.localCenter.x,c=this.m_localAnchor2.y-o.m_sweep.localCenter.y;l=h.col1.x*a+h.col2.x*c;c=h.col1.y*a+h.col2.y*c;a=l;this.m_u.x=o.m_sweep.c.x+a-j.m_sweep.c.x-q;this.m_u.y=o.m_sweep.c.y+c-j.m_sweep.c.y-n;l=Math.sqrt(this.m_u.x*this.m_u.x+this.m_u.y*this.m_u.y);l>F.b2_linearSlop?this.m_u.Multiply(1/l):this.m_u.SetZero();h=q*this.m_u.y-n*this.m_u.x;var g=a*this.m_u.y-c*this.m_u.x;
-h=j.m_invMass+j.m_invI*h*h+o.m_invMass+o.m_invI*g*g;this.m_mass=h!=0?1/h:0;if(this.m_frequencyHz>0){l=l-this.m_length;g=2*Math.PI*this.m_frequencyHz;var b=this.m_mass*g*g;this.m_gamma=d.dt*(2*this.m_mass*this.m_dampingRatio*g+d.dt*b);this.m_gamma=this.m_gamma!=0?1/this.m_gamma:0;this.m_bias=l*d.dt*b*this.m_gamma;this.m_mass=h+this.m_gamma;this.m_mass=this.m_mass!=0?1/this.m_mass:0}if(d.warmStarting){this.m_impulse*=d.dtRatio;d=this.m_impulse*this.m_u.x;h=this.m_impulse*this.m_u.y;j.m_linearVelocity.x-=
-j.m_invMass*d;j.m_linearVelocity.y-=j.m_invMass*h;j.m_angularVelocity-=j.m_invI*(q*h-n*d);o.m_linearVelocity.x+=o.m_invMass*d;o.m_linearVelocity.y+=o.m_invMass*h;o.m_angularVelocity+=o.m_invI*(a*h-c*d)}else this.m_impulse=0};U.prototype.SolveVelocityConstraints=function(){var d,h=this.m_bodyA,l=this.m_bodyB;d=h.m_xf.R;var j=this.m_localAnchor1.x-h.m_sweep.localCenter.x,o=this.m_localAnchor1.y-h.m_sweep.localCenter.y,q=d.col1.x*j+d.col2.x*o;o=d.col1.y*j+d.col2.y*o;j=q;d=l.m_xf.R;var n=this.m_localAnchor2.x-
-l.m_sweep.localCenter.x,a=this.m_localAnchor2.y-l.m_sweep.localCenter.y;q=d.col1.x*n+d.col2.x*a;a=d.col1.y*n+d.col2.y*a;n=q;q=-this.m_mass*(this.m_u.x*(l.m_linearVelocity.x+-l.m_angularVelocity*a-(h.m_linearVelocity.x+-h.m_angularVelocity*o))+this.m_u.y*(l.m_linearVelocity.y+l.m_angularVelocity*n-(h.m_linearVelocity.y+h.m_angularVelocity*j))+this.m_bias+this.m_gamma*this.m_impulse);this.m_impulse+=q;d=q*this.m_u.x;q=q*this.m_u.y;h.m_linearVelocity.x-=h.m_invMass*d;h.m_linearVelocity.y-=h.m_invMass*
-q;h.m_angularVelocity-=h.m_invI*(j*q-o*d);l.m_linearVelocity.x+=l.m_invMass*d;l.m_linearVelocity.y+=l.m_invMass*q;l.m_angularVelocity+=l.m_invI*(n*q-a*d)};U.prototype.SolvePositionConstraints=function(){var d;if(this.m_frequencyHz>0)return true;var h=this.m_bodyA,l=this.m_bodyB;d=h.m_xf.R;var j=this.m_localAnchor1.x-h.m_sweep.localCenter.x,o=this.m_localAnchor1.y-h.m_sweep.localCenter.y,q=d.col1.x*j+d.col2.x*o;o=d.col1.y*j+d.col2.y*o;j=q;d=l.m_xf.R;var n=this.m_localAnchor2.x-l.m_sweep.localCenter.x,
-a=this.m_localAnchor2.y-l.m_sweep.localCenter.y;q=d.col1.x*n+d.col2.x*a;a=d.col1.y*n+d.col2.y*a;n=q;q=l.m_sweep.c.x+n-h.m_sweep.c.x-j;var c=l.m_sweep.c.y+a-h.m_sweep.c.y-o;d=Math.sqrt(q*q+c*c);q/=d;c/=d;d=d-this.m_length;d=y.Clamp(d,-F.b2_maxLinearCorrection,F.b2_maxLinearCorrection);var g=-this.m_mass*d;this.m_u.Set(q,c);q=g*this.m_u.x;c=g*this.m_u.y;h.m_sweep.c.x-=h.m_invMass*q;h.m_sweep.c.y-=h.m_invMass*c;h.m_sweep.a-=h.m_invI*(j*c-o*q);l.m_sweep.c.x+=l.m_invMass*q;l.m_sweep.c.y+=l.m_invMass*c;
-l.m_sweep.a+=l.m_invI*(n*c-a*q);h.SynchronizeTransform();l.SynchronizeTransform();return y.Abs(d)<F.b2_linearSlop};Box2D.inherit(p,Box2D.Dynamics.Joints.b2JointDef);p.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;p.b2DistanceJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=new w;this.localAnchorB=new w};p.prototype.b2DistanceJointDef=function(){this.__super.b2JointDef.call(this);this.type=I.e_distanceJoint;this.length=1;this.dampingRatio=
-this.frequencyHz=0};p.prototype.Initialize=function(d,h,l,j){this.bodyA=d;this.bodyB=h;this.localAnchorA.SetV(this.bodyA.GetLocalPoint(l));this.localAnchorB.SetV(this.bodyB.GetLocalPoint(j));d=j.x-l.x;l=j.y-l.y;this.length=Math.sqrt(d*d+l*l);this.dampingRatio=this.frequencyHz=0};Box2D.inherit(B,Box2D.Dynamics.Joints.b2Joint);B.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;B.b2FrictionJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_localAnchorA=new w;
-this.m_localAnchorB=new w;this.m_linearMass=new G;this.m_linearImpulse=new w};B.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA)};B.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB)};B.prototype.GetReactionForce=function(d){if(d===undefined)d=0;return new w(d*this.m_linearImpulse.x,d*this.m_linearImpulse.y)};B.prototype.GetReactionTorque=function(d){if(d===undefined)d=0;return d*this.m_angularImpulse};B.prototype.SetMaxForce=
-function(d){if(d===undefined)d=0;this.m_maxForce=d};B.prototype.GetMaxForce=function(){return this.m_maxForce};B.prototype.SetMaxTorque=function(d){if(d===undefined)d=0;this.m_maxTorque=d};B.prototype.GetMaxTorque=function(){return this.m_maxTorque};B.prototype.b2FrictionJoint=function(d){this.__super.b2Joint.call(this,d);this.m_localAnchorA.SetV(d.localAnchorA);this.m_localAnchorB.SetV(d.localAnchorB);this.m_linearMass.SetZero();this.m_angularMass=0;this.m_linearImpulse.SetZero();this.m_angularImpulse=
-0;this.m_maxForce=d.maxForce;this.m_maxTorque=d.maxTorque};B.prototype.InitVelocityConstraints=function(d){var h,l=0,j=this.m_bodyA,o=this.m_bodyB;h=j.m_xf.R;var q=this.m_localAnchorA.x-j.m_sweep.localCenter.x,n=this.m_localAnchorA.y-j.m_sweep.localCenter.y;l=h.col1.x*q+h.col2.x*n;n=h.col1.y*q+h.col2.y*n;q=l;h=o.m_xf.R;var a=this.m_localAnchorB.x-o.m_sweep.localCenter.x,c=this.m_localAnchorB.y-o.m_sweep.localCenter.y;l=h.col1.x*a+h.col2.x*c;c=h.col1.y*a+h.col2.y*c;a=l;h=j.m_invMass;l=o.m_invMass;
-var g=j.m_invI,b=o.m_invI,e=new G;e.col1.x=h+l;e.col2.x=0;e.col1.y=0;e.col2.y=h+l;e.col1.x+=g*n*n;e.col2.x+=-g*q*n;e.col1.y+=-g*q*n;e.col2.y+=g*q*q;e.col1.x+=b*c*c;e.col2.x+=-b*a*c;e.col1.y+=-b*a*c;e.col2.y+=b*a*a;e.GetInverse(this.m_linearMass);this.m_angularMass=g+b;if(this.m_angularMass>0)this.m_angularMass=1/this.m_angularMass;if(d.warmStarting){this.m_linearImpulse.x*=d.dtRatio;this.m_linearImpulse.y*=d.dtRatio;this.m_angularImpulse*=d.dtRatio;d=this.m_linearImpulse;j.m_linearVelocity.x-=h*d.x;
-j.m_linearVelocity.y-=h*d.y;j.m_angularVelocity-=g*(q*d.y-n*d.x+this.m_angularImpulse);o.m_linearVelocity.x+=l*d.x;o.m_linearVelocity.y+=l*d.y;o.m_angularVelocity+=b*(a*d.y-c*d.x+this.m_angularImpulse)}else{this.m_linearImpulse.SetZero();this.m_angularImpulse=0}};B.prototype.SolveVelocityConstraints=function(d){var h,l=0,j=this.m_bodyA,o=this.m_bodyB,q=j.m_linearVelocity,n=j.m_angularVelocity,a=o.m_linearVelocity,c=o.m_angularVelocity,g=j.m_invMass,b=o.m_invMass,e=j.m_invI,f=o.m_invI;h=j.m_xf.R;var m=
-this.m_localAnchorA.x-j.m_sweep.localCenter.x,r=this.m_localAnchorA.y-j.m_sweep.localCenter.y;l=h.col1.x*m+h.col2.x*r;r=h.col1.y*m+h.col2.y*r;m=l;h=o.m_xf.R;var s=this.m_localAnchorB.x-o.m_sweep.localCenter.x,v=this.m_localAnchorB.y-o.m_sweep.localCenter.y;l=h.col1.x*s+h.col2.x*v;v=h.col1.y*s+h.col2.y*v;s=l;h=0;l=-this.m_angularMass*(c-n);var t=this.m_angularImpulse;h=d.dt*this.m_maxTorque;this.m_angularImpulse=y.Clamp(this.m_angularImpulse+l,-h,h);l=this.m_angularImpulse-t;n-=e*l;c+=f*l;h=y.MulMV(this.m_linearMass,
-new w(-(a.x-c*v-q.x+n*r),-(a.y+c*s-q.y-n*m)));l=this.m_linearImpulse.Copy();this.m_linearImpulse.Add(h);h=d.dt*this.m_maxForce;if(this.m_linearImpulse.LengthSquared()>h*h){this.m_linearImpulse.Normalize();this.m_linearImpulse.Multiply(h)}h=y.SubtractVV(this.m_linearImpulse,l);q.x-=g*h.x;q.y-=g*h.y;n-=e*(m*h.y-r*h.x);a.x+=b*h.x;a.y+=b*h.y;c+=f*(s*h.y-v*h.x);j.m_angularVelocity=n;o.m_angularVelocity=c};B.prototype.SolvePositionConstraints=function(){return true};Box2D.inherit(Q,Box2D.Dynamics.Joints.b2JointDef);
-Q.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;Q.b2FrictionJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=new w;this.localAnchorB=new w};Q.prototype.b2FrictionJointDef=function(){this.__super.b2JointDef.call(this);this.type=I.e_frictionJoint;this.maxTorque=this.maxForce=0};Q.prototype.Initialize=function(d,h,l){this.bodyA=d;this.bodyB=h;this.localAnchorA.SetV(this.bodyA.GetLocalPoint(l));this.localAnchorB.SetV(this.bodyB.GetLocalPoint(l))};
-Box2D.inherit(V,Box2D.Dynamics.Joints.b2Joint);V.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;V.b2GearJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_groundAnchor1=new w;this.m_groundAnchor2=new w;this.m_localAnchor1=new w;this.m_localAnchor2=new w;this.m_J=new L};V.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};V.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};V.prototype.GetReactionForce=
-function(d){if(d===undefined)d=0;return new w(d*this.m_impulse*this.m_J.linearB.x,d*this.m_impulse*this.m_J.linearB.y)};V.prototype.GetReactionTorque=function(d){if(d===undefined)d=0;var h=this.m_bodyB.m_xf.R,l=this.m_localAnchor1.x-this.m_bodyB.m_sweep.localCenter.x,j=this.m_localAnchor1.y-this.m_bodyB.m_sweep.localCenter.y,o=h.col1.x*l+h.col2.x*j;j=h.col1.y*l+h.col2.y*j;l=o;return d*(this.m_impulse*this.m_J.angularB-l*this.m_impulse*this.m_J.linearB.y+j*this.m_impulse*this.m_J.linearB.x)};V.prototype.GetRatio=
-function(){return this.m_ratio};V.prototype.SetRatio=function(d){if(d===undefined)d=0;this.m_ratio=d};V.prototype.b2GearJoint=function(d){this.__super.b2Joint.call(this,d);var h=parseInt(d.joint1.m_type),l=parseInt(d.joint2.m_type);this.m_prismatic2=this.m_revolute2=this.m_prismatic1=this.m_revolute1=null;var j=0,o=0;this.m_ground1=d.joint1.GetBodyA();this.m_bodyA=d.joint1.GetBodyB();if(h==I.e_revoluteJoint){this.m_revolute1=d.joint1 instanceof N?d.joint1:null;this.m_groundAnchor1.SetV(this.m_revolute1.m_localAnchor1);
-this.m_localAnchor1.SetV(this.m_revolute1.m_localAnchor2);j=this.m_revolute1.GetJointAngle()}else{this.m_prismatic1=d.joint1 instanceof H?d.joint1:null;this.m_groundAnchor1.SetV(this.m_prismatic1.m_localAnchor1);this.m_localAnchor1.SetV(this.m_prismatic1.m_localAnchor2);j=this.m_prismatic1.GetJointTranslation()}this.m_ground2=d.joint2.GetBodyA();this.m_bodyB=d.joint2.GetBodyB();if(l==I.e_revoluteJoint){this.m_revolute2=d.joint2 instanceof N?d.joint2:null;this.m_groundAnchor2.SetV(this.m_revolute2.m_localAnchor1);
-this.m_localAnchor2.SetV(this.m_revolute2.m_localAnchor2);o=this.m_revolute2.GetJointAngle()}else{this.m_prismatic2=d.joint2 instanceof H?d.joint2:null;this.m_groundAnchor2.SetV(this.m_prismatic2.m_localAnchor1);this.m_localAnchor2.SetV(this.m_prismatic2.m_localAnchor2);o=this.m_prismatic2.GetJointTranslation()}this.m_ratio=d.ratio;this.m_constant=j+this.m_ratio*o;this.m_impulse=0};V.prototype.InitVelocityConstraints=function(d){var h=this.m_ground1,l=this.m_ground2,j=this.m_bodyA,o=this.m_bodyB,
-q=0,n=0,a=0,c=0,g=a=0,b=0;this.m_J.SetZero();if(this.m_revolute1){this.m_J.angularA=-1;b+=j.m_invI}else{h=h.m_xf.R;n=this.m_prismatic1.m_localXAxis1;q=h.col1.x*n.x+h.col2.x*n.y;n=h.col1.y*n.x+h.col2.y*n.y;h=j.m_xf.R;a=this.m_localAnchor1.x-j.m_sweep.localCenter.x;c=this.m_localAnchor1.y-j.m_sweep.localCenter.y;g=h.col1.x*a+h.col2.x*c;c=h.col1.y*a+h.col2.y*c;a=g;a=a*n-c*q;this.m_J.linearA.Set(-q,-n);this.m_J.angularA=-a;b+=j.m_invMass+j.m_invI*a*a}if(this.m_revolute2){this.m_J.angularB=-this.m_ratio;
-b+=this.m_ratio*this.m_ratio*o.m_invI}else{h=l.m_xf.R;n=this.m_prismatic2.m_localXAxis1;q=h.col1.x*n.x+h.col2.x*n.y;n=h.col1.y*n.x+h.col2.y*n.y;h=o.m_xf.R;a=this.m_localAnchor2.x-o.m_sweep.localCenter.x;c=this.m_localAnchor2.y-o.m_sweep.localCenter.y;g=h.col1.x*a+h.col2.x*c;c=h.col1.y*a+h.col2.y*c;a=g;a=a*n-c*q;this.m_J.linearB.Set(-this.m_ratio*q,-this.m_ratio*n);this.m_J.angularB=-this.m_ratio*a;b+=this.m_ratio*this.m_ratio*(o.m_invMass+o.m_invI*a*a)}this.m_mass=b>0?1/b:0;if(d.warmStarting){j.m_linearVelocity.x+=
-j.m_invMass*this.m_impulse*this.m_J.linearA.x;j.m_linearVelocity.y+=j.m_invMass*this.m_impulse*this.m_J.linearA.y;j.m_angularVelocity+=j.m_invI*this.m_impulse*this.m_J.angularA;o.m_linearVelocity.x+=o.m_invMass*this.m_impulse*this.m_J.linearB.x;o.m_linearVelocity.y+=o.m_invMass*this.m_impulse*this.m_J.linearB.y;o.m_angularVelocity+=o.m_invI*this.m_impulse*this.m_J.angularB}else this.m_impulse=0};V.prototype.SolveVelocityConstraints=function(){var d=this.m_bodyA,h=this.m_bodyB,l=-this.m_mass*this.m_J.Compute(d.m_linearVelocity,
-d.m_angularVelocity,h.m_linearVelocity,h.m_angularVelocity);this.m_impulse+=l;d.m_linearVelocity.x+=d.m_invMass*l*this.m_J.linearA.x;d.m_linearVelocity.y+=d.m_invMass*l*this.m_J.linearA.y;d.m_angularVelocity+=d.m_invI*l*this.m_J.angularA;h.m_linearVelocity.x+=h.m_invMass*l*this.m_J.linearB.x;h.m_linearVelocity.y+=h.m_invMass*l*this.m_J.linearB.y;h.m_angularVelocity+=h.m_invI*l*this.m_J.angularB};V.prototype.SolvePositionConstraints=function(){var d=this.m_bodyA,h=this.m_bodyB,l=0,j=0;l=this.m_revolute1?
-this.m_revolute1.GetJointAngle():this.m_prismatic1.GetJointTranslation();j=this.m_revolute2?this.m_revolute2.GetJointAngle():this.m_prismatic2.GetJointTranslation();l=-this.m_mass*(this.m_constant-(l+this.m_ratio*j));d.m_sweep.c.x+=d.m_invMass*l*this.m_J.linearA.x;d.m_sweep.c.y+=d.m_invMass*l*this.m_J.linearA.y;d.m_sweep.a+=d.m_invI*l*this.m_J.angularA;h.m_sweep.c.x+=h.m_invMass*l*this.m_J.linearB.x;h.m_sweep.c.y+=h.m_invMass*l*this.m_J.linearB.y;h.m_sweep.a+=h.m_invI*l*this.m_J.angularB;d.SynchronizeTransform();
-h.SynchronizeTransform();return 0<F.b2_linearSlop};Box2D.inherit(M,Box2D.Dynamics.Joints.b2JointDef);M.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;M.b2GearJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments)};M.prototype.b2GearJointDef=function(){this.__super.b2JointDef.call(this);this.type=I.e_gearJoint;this.joint2=this.joint1=null;this.ratio=1};L.b2Jacobian=function(){this.linearA=new w;this.linearB=new w};L.prototype.SetZero=function(){this.linearA.SetZero();
-this.angularA=0;this.linearB.SetZero();this.angularB=0};L.prototype.Set=function(d,h,l,j){if(h===undefined)h=0;if(j===undefined)j=0;this.linearA.SetV(d);this.angularA=h;this.linearB.SetV(l);this.angularB=j};L.prototype.Compute=function(d,h,l,j){if(h===undefined)h=0;if(j===undefined)j=0;return this.linearA.x*d.x+this.linearA.y*d.y+this.angularA*h+(this.linearB.x*l.x+this.linearB.y*l.y)+this.angularB*j};I.b2Joint=function(){this.m_edgeA=new Y;this.m_edgeB=new Y;this.m_localCenterA=new w;this.m_localCenterB=
-new w};I.prototype.GetType=function(){return this.m_type};I.prototype.GetAnchorA=function(){return null};I.prototype.GetAnchorB=function(){return null};I.prototype.GetReactionForce=function(){return null};I.prototype.GetReactionTorque=function(){return 0};I.prototype.GetBodyA=function(){return this.m_bodyA};I.prototype.GetBodyB=function(){return this.m_bodyB};I.prototype.GetNext=function(){return this.m_next};I.prototype.GetUserData=function(){return this.m_userData};I.prototype.SetUserData=function(d){this.m_userData=
-d};I.prototype.IsActive=function(){return this.m_bodyA.IsActive()&&this.m_bodyB.IsActive()};I.Create=function(d){var h=null;switch(d.type){case I.e_distanceJoint:h=new U(d instanceof p?d:null);break;case I.e_mouseJoint:h=new u(d instanceof D?d:null);break;case I.e_prismaticJoint:h=new H(d instanceof O?d:null);break;case I.e_revoluteJoint:h=new N(d instanceof S?d:null);break;case I.e_pulleyJoint:h=new E(d instanceof R?d:null);break;case I.e_gearJoint:h=new V(d instanceof M?d:null);break;case I.e_lineJoint:h=
-new k(d instanceof z?d:null);break;case I.e_weldJoint:h=new aa(d instanceof Z?d:null);break;case I.e_frictionJoint:h=new B(d instanceof Q?d:null)}return h};I.Destroy=function(){};I.prototype.b2Joint=function(d){F.b2Assert(d.bodyA!=d.bodyB);this.m_type=d.type;this.m_next=this.m_prev=null;this.m_bodyA=d.bodyA;this.m_bodyB=d.bodyB;this.m_collideConnected=d.collideConnected;this.m_islandFlag=false;this.m_userData=d.userData};I.prototype.InitVelocityConstraints=function(){};I.prototype.SolveVelocityConstraints=
-function(){};I.prototype.FinalizeVelocityConstraints=function(){};I.prototype.SolvePositionConstraints=function(){return false};Box2D.postDefs.push(function(){Box2D.Dynamics.Joints.b2Joint.e_unknownJoint=0;Box2D.Dynamics.Joints.b2Joint.e_revoluteJoint=1;Box2D.Dynamics.Joints.b2Joint.e_prismaticJoint=2;Box2D.Dynamics.Joints.b2Joint.e_distanceJoint=3;Box2D.Dynamics.Joints.b2Joint.e_pulleyJoint=4;Box2D.Dynamics.Joints.b2Joint.e_mouseJoint=5;Box2D.Dynamics.Joints.b2Joint.e_gearJoint=6;Box2D.Dynamics.Joints.b2Joint.e_lineJoint=
-7;Box2D.Dynamics.Joints.b2Joint.e_weldJoint=8;Box2D.Dynamics.Joints.b2Joint.e_frictionJoint=9;Box2D.Dynamics.Joints.b2Joint.e_inactiveLimit=0;Box2D.Dynamics.Joints.b2Joint.e_atLowerLimit=1;Box2D.Dynamics.Joints.b2Joint.e_atUpperLimit=2;Box2D.Dynamics.Joints.b2Joint.e_equalLimits=3});W.b2JointDef=function(){};W.prototype.b2JointDef=function(){this.type=I.e_unknownJoint;this.bodyB=this.bodyA=this.userData=null;this.collideConnected=false};Y.b2JointEdge=function(){};Box2D.inherit(k,Box2D.Dynamics.Joints.b2Joint);
-k.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;k.b2LineJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_localAnchor1=new w;this.m_localAnchor2=new w;this.m_localXAxis1=new w;this.m_localYAxis1=new w;this.m_axis=new w;this.m_perp=new w;this.m_K=new G;this.m_impulse=new w};k.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};k.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};k.prototype.GetReactionForce=
-function(d){if(d===undefined)d=0;return new w(d*(this.m_impulse.x*this.m_perp.x+(this.m_motorImpulse+this.m_impulse.y)*this.m_axis.x),d*(this.m_impulse.x*this.m_perp.y+(this.m_motorImpulse+this.m_impulse.y)*this.m_axis.y))};k.prototype.GetReactionTorque=function(d){if(d===undefined)d=0;return d*this.m_impulse.y};k.prototype.GetJointTranslation=function(){var d=this.m_bodyA,h=this.m_bodyB,l=d.GetWorldPoint(this.m_localAnchor1),j=h.GetWorldPoint(this.m_localAnchor2);h=j.x-l.x;l=j.y-l.y;d=d.GetWorldVector(this.m_localXAxis1);
-return d.x*h+d.y*l};k.prototype.GetJointSpeed=function(){var d=this.m_bodyA,h=this.m_bodyB,l;l=d.m_xf.R;var j=this.m_localAnchor1.x-d.m_sweep.localCenter.x,o=this.m_localAnchor1.y-d.m_sweep.localCenter.y,q=l.col1.x*j+l.col2.x*o;o=l.col1.y*j+l.col2.y*o;j=q;l=h.m_xf.R;var n=this.m_localAnchor2.x-h.m_sweep.localCenter.x,a=this.m_localAnchor2.y-h.m_sweep.localCenter.y;q=l.col1.x*n+l.col2.x*a;a=l.col1.y*n+l.col2.y*a;n=q;l=h.m_sweep.c.x+n-(d.m_sweep.c.x+j);q=h.m_sweep.c.y+a-(d.m_sweep.c.y+o);var c=d.GetWorldVector(this.m_localXAxis1),
-g=d.m_linearVelocity,b=h.m_linearVelocity;d=d.m_angularVelocity;h=h.m_angularVelocity;return l*-d*c.y+q*d*c.x+(c.x*(b.x+-h*a-g.x- -d*o)+c.y*(b.y+h*n-g.y-d*j))};k.prototype.IsLimitEnabled=function(){return this.m_enableLimit};k.prototype.EnableLimit=function(d){this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_enableLimit=d};k.prototype.GetLowerLimit=function(){return this.m_lowerTranslation};k.prototype.GetUpperLimit=function(){return this.m_upperTranslation};k.prototype.SetLimits=function(d,
-h){if(d===undefined)d=0;if(h===undefined)h=0;this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_lowerTranslation=d;this.m_upperTranslation=h};k.prototype.IsMotorEnabled=function(){return this.m_enableMotor};k.prototype.EnableMotor=function(d){this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_enableMotor=d};k.prototype.SetMotorSpeed=function(d){if(d===undefined)d=0;this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_motorSpeed=d};k.prototype.GetMotorSpeed=function(){return this.m_motorSpeed};
-k.prototype.SetMaxMotorForce=function(d){if(d===undefined)d=0;this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_maxMotorForce=d};k.prototype.GetMaxMotorForce=function(){return this.m_maxMotorForce};k.prototype.GetMotorForce=function(){return this.m_motorImpulse};k.prototype.b2LineJoint=function(d){this.__super.b2Joint.call(this,d);this.m_localAnchor1.SetV(d.localAnchorA);this.m_localAnchor2.SetV(d.localAnchorB);this.m_localXAxis1.SetV(d.localAxisA);this.m_localYAxis1.x=-this.m_localXAxis1.y;
-this.m_localYAxis1.y=this.m_localXAxis1.x;this.m_impulse.SetZero();this.m_motorImpulse=this.m_motorMass=0;this.m_lowerTranslation=d.lowerTranslation;this.m_upperTranslation=d.upperTranslation;this.m_maxMotorForce=d.maxMotorForce;this.m_motorSpeed=d.motorSpeed;this.m_enableLimit=d.enableLimit;this.m_enableMotor=d.enableMotor;this.m_limitState=I.e_inactiveLimit;this.m_axis.SetZero();this.m_perp.SetZero()};k.prototype.InitVelocityConstraints=function(d){var h=this.m_bodyA,l=this.m_bodyB,j,o=0;this.m_localCenterA.SetV(h.GetLocalCenter());
-this.m_localCenterB.SetV(l.GetLocalCenter());var q=h.GetTransform();l.GetTransform();j=h.m_xf.R;var n=this.m_localAnchor1.x-this.m_localCenterA.x,a=this.m_localAnchor1.y-this.m_localCenterA.y;o=j.col1.x*n+j.col2.x*a;a=j.col1.y*n+j.col2.y*a;n=o;j=l.m_xf.R;var c=this.m_localAnchor2.x-this.m_localCenterB.x,g=this.m_localAnchor2.y-this.m_localCenterB.y;o=j.col1.x*c+j.col2.x*g;g=j.col1.y*c+j.col2.y*g;c=o;j=l.m_sweep.c.x+c-h.m_sweep.c.x-n;o=l.m_sweep.c.y+g-h.m_sweep.c.y-a;this.m_invMassA=h.m_invMass;this.m_invMassB=
-l.m_invMass;this.m_invIA=h.m_invI;this.m_invIB=l.m_invI;this.m_axis.SetV(y.MulMV(q.R,this.m_localXAxis1));this.m_a1=(j+n)*this.m_axis.y-(o+a)*this.m_axis.x;this.m_a2=c*this.m_axis.y-g*this.m_axis.x;this.m_motorMass=this.m_invMassA+this.m_invMassB+this.m_invIA*this.m_a1*this.m_a1+this.m_invIB*this.m_a2*this.m_a2;this.m_motorMass=this.m_motorMass>Number.MIN_VALUE?1/this.m_motorMass:0;this.m_perp.SetV(y.MulMV(q.R,this.m_localYAxis1));this.m_s1=(j+n)*this.m_perp.y-(o+a)*this.m_perp.x;this.m_s2=c*this.m_perp.y-
-g*this.m_perp.x;q=this.m_invMassA;n=this.m_invMassB;a=this.m_invIA;c=this.m_invIB;this.m_K.col1.x=q+n+a*this.m_s1*this.m_s1+c*this.m_s2*this.m_s2;this.m_K.col1.y=a*this.m_s1*this.m_a1+c*this.m_s2*this.m_a2;this.m_K.col2.x=this.m_K.col1.y;this.m_K.col2.y=q+n+a*this.m_a1*this.m_a1+c*this.m_a2*this.m_a2;if(this.m_enableLimit){j=this.m_axis.x*j+this.m_axis.y*o;if(y.Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*F.b2_linearSlop)this.m_limitState=I.e_equalLimits;else if(j<=this.m_lowerTranslation){if(this.m_limitState!=
-I.e_atLowerLimit){this.m_limitState=I.e_atLowerLimit;this.m_impulse.y=0}}else if(j>=this.m_upperTranslation){if(this.m_limitState!=I.e_atUpperLimit){this.m_limitState=I.e_atUpperLimit;this.m_impulse.y=0}}else{this.m_limitState=I.e_inactiveLimit;this.m_impulse.y=0}}else this.m_limitState=I.e_inactiveLimit;if(this.m_enableMotor==false)this.m_motorImpulse=0;if(d.warmStarting){this.m_impulse.x*=d.dtRatio;this.m_impulse.y*=d.dtRatio;this.m_motorImpulse*=d.dtRatio;d=this.m_impulse.x*this.m_perp.x+(this.m_motorImpulse+
-this.m_impulse.y)*this.m_axis.x;j=this.m_impulse.x*this.m_perp.y+(this.m_motorImpulse+this.m_impulse.y)*this.m_axis.y;o=this.m_impulse.x*this.m_s1+(this.m_motorImpulse+this.m_impulse.y)*this.m_a1;q=this.m_impulse.x*this.m_s2+(this.m_motorImpulse+this.m_impulse.y)*this.m_a2;h.m_linearVelocity.x-=this.m_invMassA*d;h.m_linearVelocity.y-=this.m_invMassA*j;h.m_angularVelocity-=this.m_invIA*o;l.m_linearVelocity.x+=this.m_invMassB*d;l.m_linearVelocity.y+=this.m_invMassB*j;l.m_angularVelocity+=this.m_invIB*
-q}else{this.m_impulse.SetZero();this.m_motorImpulse=0}};k.prototype.SolveVelocityConstraints=function(d){var h=this.m_bodyA,l=this.m_bodyB,j=h.m_linearVelocity,o=h.m_angularVelocity,q=l.m_linearVelocity,n=l.m_angularVelocity,a=0,c=0,g=0,b=0;if(this.m_enableMotor&&this.m_limitState!=I.e_equalLimits){b=this.m_motorMass*(this.m_motorSpeed-(this.m_axis.x*(q.x-j.x)+this.m_axis.y*(q.y-j.y)+this.m_a2*n-this.m_a1*o));a=this.m_motorImpulse;c=d.dt*this.m_maxMotorForce;this.m_motorImpulse=y.Clamp(this.m_motorImpulse+
-b,-c,c);b=this.m_motorImpulse-a;a=b*this.m_axis.x;c=b*this.m_axis.y;g=b*this.m_a1;b=b*this.m_a2;j.x-=this.m_invMassA*a;j.y-=this.m_invMassA*c;o-=this.m_invIA*g;q.x+=this.m_invMassB*a;q.y+=this.m_invMassB*c;n+=this.m_invIB*b}c=this.m_perp.x*(q.x-j.x)+this.m_perp.y*(q.y-j.y)+this.m_s2*n-this.m_s1*o;if(this.m_enableLimit&&this.m_limitState!=I.e_inactiveLimit){g=this.m_axis.x*(q.x-j.x)+this.m_axis.y*(q.y-j.y)+this.m_a2*n-this.m_a1*o;a=this.m_impulse.Copy();d=this.m_K.Solve(new w,-c,-g);this.m_impulse.Add(d);
-if(this.m_limitState==I.e_atLowerLimit)this.m_impulse.y=y.Max(this.m_impulse.y,0);else if(this.m_limitState==I.e_atUpperLimit)this.m_impulse.y=y.Min(this.m_impulse.y,0);c=-c-(this.m_impulse.y-a.y)*this.m_K.col2.x;g=0;g=this.m_K.col1.x!=0?c/this.m_K.col1.x+a.x:a.x;this.m_impulse.x=g;d.x=this.m_impulse.x-a.x;d.y=this.m_impulse.y-a.y;a=d.x*this.m_perp.x+d.y*this.m_axis.x;c=d.x*this.m_perp.y+d.y*this.m_axis.y;g=d.x*this.m_s1+d.y*this.m_a1;b=d.x*this.m_s2+d.y*this.m_a2}else{d=0;d=this.m_K.col1.x!=0?-c/
-this.m_K.col1.x:0;this.m_impulse.x+=d;a=d*this.m_perp.x;c=d*this.m_perp.y;g=d*this.m_s1;b=d*this.m_s2}j.x-=this.m_invMassA*a;j.y-=this.m_invMassA*c;o-=this.m_invIA*g;q.x+=this.m_invMassB*a;q.y+=this.m_invMassB*c;n+=this.m_invIB*b;h.m_linearVelocity.SetV(j);h.m_angularVelocity=o;l.m_linearVelocity.SetV(q);l.m_angularVelocity=n};k.prototype.SolvePositionConstraints=function(){var d=this.m_bodyA,h=this.m_bodyB,l=d.m_sweep.c,j=d.m_sweep.a,o=h.m_sweep.c,q=h.m_sweep.a,n,a=0,c=0,g=0,b=0,e=n=0,f=0;c=false;
-var m=0,r=G.FromAngle(j);g=G.FromAngle(q);n=r;f=this.m_localAnchor1.x-this.m_localCenterA.x;var s=this.m_localAnchor1.y-this.m_localCenterA.y;a=n.col1.x*f+n.col2.x*s;s=n.col1.y*f+n.col2.y*s;f=a;n=g;g=this.m_localAnchor2.x-this.m_localCenterB.x;b=this.m_localAnchor2.y-this.m_localCenterB.y;a=n.col1.x*g+n.col2.x*b;b=n.col1.y*g+n.col2.y*b;g=a;n=o.x+g-l.x-f;a=o.y+b-l.y-s;if(this.m_enableLimit){this.m_axis=y.MulMV(r,this.m_localXAxis1);this.m_a1=(n+f)*this.m_axis.y-(a+s)*this.m_axis.x;this.m_a2=g*this.m_axis.y-
-b*this.m_axis.x;var v=this.m_axis.x*n+this.m_axis.y*a;if(y.Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*F.b2_linearSlop){m=y.Clamp(v,-F.b2_maxLinearCorrection,F.b2_maxLinearCorrection);e=y.Abs(v);c=true}else if(v<=this.m_lowerTranslation){m=y.Clamp(v-this.m_lowerTranslation+F.b2_linearSlop,-F.b2_maxLinearCorrection,0);e=this.m_lowerTranslation-v;c=true}else if(v>=this.m_upperTranslation){m=y.Clamp(v-this.m_upperTranslation+F.b2_linearSlop,0,F.b2_maxLinearCorrection);e=v-this.m_upperTranslation;
-c=true}}this.m_perp=y.MulMV(r,this.m_localYAxis1);this.m_s1=(n+f)*this.m_perp.y-(a+s)*this.m_perp.x;this.m_s2=g*this.m_perp.y-b*this.m_perp.x;r=new w;s=this.m_perp.x*n+this.m_perp.y*a;e=y.Max(e,y.Abs(s));f=0;if(c){c=this.m_invMassA;g=this.m_invMassB;b=this.m_invIA;n=this.m_invIB;this.m_K.col1.x=c+g+b*this.m_s1*this.m_s1+n*this.m_s2*this.m_s2;this.m_K.col1.y=b*this.m_s1*this.m_a1+n*this.m_s2*this.m_a2;this.m_K.col2.x=this.m_K.col1.y;this.m_K.col2.y=c+g+b*this.m_a1*this.m_a1+n*this.m_a2*this.m_a2;this.m_K.Solve(r,
--s,-m)}else{c=this.m_invMassA;g=this.m_invMassB;b=this.m_invIA;n=this.m_invIB;m=c+g+b*this.m_s1*this.m_s1+n*this.m_s2*this.m_s2;c=0;c=m!=0?-s/m:0;r.x=c;r.y=0}m=r.x*this.m_perp.x+r.y*this.m_axis.x;c=r.x*this.m_perp.y+r.y*this.m_axis.y;s=r.x*this.m_s1+r.y*this.m_a1;r=r.x*this.m_s2+r.y*this.m_a2;l.x-=this.m_invMassA*m;l.y-=this.m_invMassA*c;j-=this.m_invIA*s;o.x+=this.m_invMassB*m;o.y+=this.m_invMassB*c;q+=this.m_invIB*r;d.m_sweep.a=j;h.m_sweep.a=q;d.SynchronizeTransform();h.SynchronizeTransform();return e<=
-F.b2_linearSlop&&f<=F.b2_angularSlop};Box2D.inherit(z,Box2D.Dynamics.Joints.b2JointDef);z.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;z.b2LineJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=new w;this.localAnchorB=new w;this.localAxisA=new w};z.prototype.b2LineJointDef=function(){this.__super.b2JointDef.call(this);this.type=I.e_lineJoint;this.localAxisA.Set(1,0);this.enableLimit=false;this.upperTranslation=this.lowerTranslation=
-0;this.enableMotor=false;this.motorSpeed=this.maxMotorForce=0};z.prototype.Initialize=function(d,h,l,j){this.bodyA=d;this.bodyB=h;this.localAnchorA=this.bodyA.GetLocalPoint(l);this.localAnchorB=this.bodyB.GetLocalPoint(l);this.localAxisA=this.bodyA.GetLocalVector(j)};Box2D.inherit(u,Box2D.Dynamics.Joints.b2Joint);u.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;u.b2MouseJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.K=new G;this.K1=new G;this.K2=new G;
-this.m_localAnchor=new w;this.m_target=new w;this.m_impulse=new w;this.m_mass=new G;this.m_C=new w};u.prototype.GetAnchorA=function(){return this.m_target};u.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor)};u.prototype.GetReactionForce=function(d){if(d===undefined)d=0;return new w(d*this.m_impulse.x,d*this.m_impulse.y)};u.prototype.GetReactionTorque=function(){return 0};u.prototype.GetTarget=function(){return this.m_target};u.prototype.SetTarget=function(d){this.m_bodyB.IsAwake()==
-false&&this.m_bodyB.SetAwake(true);this.m_target=d};u.prototype.GetMaxForce=function(){return this.m_maxForce};u.prototype.SetMaxForce=function(d){if(d===undefined)d=0;this.m_maxForce=d};u.prototype.GetFrequency=function(){return this.m_frequencyHz};u.prototype.SetFrequency=function(d){if(d===undefined)d=0;this.m_frequencyHz=d};u.prototype.GetDampingRatio=function(){return this.m_dampingRatio};u.prototype.SetDampingRatio=function(d){if(d===undefined)d=0;this.m_dampingRatio=d};u.prototype.b2MouseJoint=
-function(d){this.__super.b2Joint.call(this,d);this.m_target.SetV(d.target);var h=this.m_target.x-this.m_bodyB.m_xf.position.x,l=this.m_target.y-this.m_bodyB.m_xf.position.y,j=this.m_bodyB.m_xf.R;this.m_localAnchor.x=h*j.col1.x+l*j.col1.y;this.m_localAnchor.y=h*j.col2.x+l*j.col2.y;this.m_maxForce=d.maxForce;this.m_impulse.SetZero();this.m_frequencyHz=d.frequencyHz;this.m_dampingRatio=d.dampingRatio;this.m_gamma=this.m_beta=0};u.prototype.InitVelocityConstraints=function(d){var h=this.m_bodyB,l=h.GetMass(),
-j=2*Math.PI*this.m_frequencyHz,o=l*j*j;this.m_gamma=d.dt*(2*l*this.m_dampingRatio*j+d.dt*o);this.m_gamma=this.m_gamma!=0?1/this.m_gamma:0;this.m_beta=d.dt*o*this.m_gamma;o=h.m_xf.R;l=this.m_localAnchor.x-h.m_sweep.localCenter.x;j=this.m_localAnchor.y-h.m_sweep.localCenter.y;var q=o.col1.x*l+o.col2.x*j;j=o.col1.y*l+o.col2.y*j;l=q;o=h.m_invMass;q=h.m_invI;this.K1.col1.x=o;this.K1.col2.x=0;this.K1.col1.y=0;this.K1.col2.y=o;this.K2.col1.x=q*j*j;this.K2.col2.x=-q*l*j;this.K2.col1.y=-q*l*j;this.K2.col2.y=
-q*l*l;this.K.SetM(this.K1);this.K.AddM(this.K2);this.K.col1.x+=this.m_gamma;this.K.col2.y+=this.m_gamma;this.K.GetInverse(this.m_mass);this.m_C.x=h.m_sweep.c.x+l-this.m_target.x;this.m_C.y=h.m_sweep.c.y+j-this.m_target.y;h.m_angularVelocity*=0.98;this.m_impulse.x*=d.dtRatio;this.m_impulse.y*=d.dtRatio;h.m_linearVelocity.x+=o*this.m_impulse.x;h.m_linearVelocity.y+=o*this.m_impulse.y;h.m_angularVelocity+=q*(l*this.m_impulse.y-j*this.m_impulse.x)};u.prototype.SolveVelocityConstraints=function(d){var h=
-this.m_bodyB,l,j=0,o=0;l=h.m_xf.R;var q=this.m_localAnchor.x-h.m_sweep.localCenter.x,n=this.m_localAnchor.y-h.m_sweep.localCenter.y;j=l.col1.x*q+l.col2.x*n;n=l.col1.y*q+l.col2.y*n;q=j;j=h.m_linearVelocity.x+-h.m_angularVelocity*n;var a=h.m_linearVelocity.y+h.m_angularVelocity*q;l=this.m_mass;j=j+this.m_beta*this.m_C.x+this.m_gamma*this.m_impulse.x;o=a+this.m_beta*this.m_C.y+this.m_gamma*this.m_impulse.y;a=-(l.col1.x*j+l.col2.x*o);o=-(l.col1.y*j+l.col2.y*o);l=this.m_impulse.x;j=this.m_impulse.y;this.m_impulse.x+=
-a;this.m_impulse.y+=o;d=d.dt*this.m_maxForce;this.m_impulse.LengthSquared()>d*d&&this.m_impulse.Multiply(d/this.m_impulse.Length());a=this.m_impulse.x-l;o=this.m_impulse.y-j;h.m_linearVelocity.x+=h.m_invMass*a;h.m_linearVelocity.y+=h.m_invMass*o;h.m_angularVelocity+=h.m_invI*(q*o-n*a)};u.prototype.SolvePositionConstraints=function(){return true};Box2D.inherit(D,Box2D.Dynamics.Joints.b2JointDef);D.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;D.b2MouseJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,
-arguments);this.target=new w};D.prototype.b2MouseJointDef=function(){this.__super.b2JointDef.call(this);this.type=I.e_mouseJoint;this.maxForce=0;this.frequencyHz=5;this.dampingRatio=0.7};Box2D.inherit(H,Box2D.Dynamics.Joints.b2Joint);H.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;H.b2PrismaticJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_localAnchor1=new w;this.m_localAnchor2=new w;this.m_localXAxis1=new w;this.m_localYAxis1=new w;this.m_axis=new w;
-this.m_perp=new w;this.m_K=new K;this.m_impulse=new A};H.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};H.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};H.prototype.GetReactionForce=function(d){if(d===undefined)d=0;return new w(d*(this.m_impulse.x*this.m_perp.x+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.x),d*(this.m_impulse.x*this.m_perp.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.y))};H.prototype.GetReactionTorque=
-function(d){if(d===undefined)d=0;return d*this.m_impulse.y};H.prototype.GetJointTranslation=function(){var d=this.m_bodyA,h=this.m_bodyB,l=d.GetWorldPoint(this.m_localAnchor1),j=h.GetWorldPoint(this.m_localAnchor2);h=j.x-l.x;l=j.y-l.y;d=d.GetWorldVector(this.m_localXAxis1);return d.x*h+d.y*l};H.prototype.GetJointSpeed=function(){var d=this.m_bodyA,h=this.m_bodyB,l;l=d.m_xf.R;var j=this.m_localAnchor1.x-d.m_sweep.localCenter.x,o=this.m_localAnchor1.y-d.m_sweep.localCenter.y,q=l.col1.x*j+l.col2.x*o;
-o=l.col1.y*j+l.col2.y*o;j=q;l=h.m_xf.R;var n=this.m_localAnchor2.x-h.m_sweep.localCenter.x,a=this.m_localAnchor2.y-h.m_sweep.localCenter.y;q=l.col1.x*n+l.col2.x*a;a=l.col1.y*n+l.col2.y*a;n=q;l=h.m_sweep.c.x+n-(d.m_sweep.c.x+j);q=h.m_sweep.c.y+a-(d.m_sweep.c.y+o);var c=d.GetWorldVector(this.m_localXAxis1),g=d.m_linearVelocity,b=h.m_linearVelocity;d=d.m_angularVelocity;h=h.m_angularVelocity;return l*-d*c.y+q*d*c.x+(c.x*(b.x+-h*a-g.x- -d*o)+c.y*(b.y+h*n-g.y-d*j))};H.prototype.IsLimitEnabled=function(){return this.m_enableLimit};
-H.prototype.EnableLimit=function(d){this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_enableLimit=d};H.prototype.GetLowerLimit=function(){return this.m_lowerTranslation};H.prototype.GetUpperLimit=function(){return this.m_upperTranslation};H.prototype.SetLimits=function(d,h){if(d===undefined)d=0;if(h===undefined)h=0;this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_lowerTranslation=d;this.m_upperTranslation=h};H.prototype.IsMotorEnabled=function(){return this.m_enableMotor};
-H.prototype.EnableMotor=function(d){this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_enableMotor=d};H.prototype.SetMotorSpeed=function(d){if(d===undefined)d=0;this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_motorSpeed=d};H.prototype.GetMotorSpeed=function(){return this.m_motorSpeed};H.prototype.SetMaxMotorForce=function(d){if(d===undefined)d=0;this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_maxMotorForce=d};H.prototype.GetMotorForce=function(){return this.m_motorImpulse};
-H.prototype.b2PrismaticJoint=function(d){this.__super.b2Joint.call(this,d);this.m_localAnchor1.SetV(d.localAnchorA);this.m_localAnchor2.SetV(d.localAnchorB);this.m_localXAxis1.SetV(d.localAxisA);this.m_localYAxis1.x=-this.m_localXAxis1.y;this.m_localYAxis1.y=this.m_localXAxis1.x;this.m_refAngle=d.referenceAngle;this.m_impulse.SetZero();this.m_motorImpulse=this.m_motorMass=0;this.m_lowerTranslation=d.lowerTranslation;this.m_upperTranslation=d.upperTranslation;this.m_maxMotorForce=d.maxMotorForce;this.m_motorSpeed=
-d.motorSpeed;this.m_enableLimit=d.enableLimit;this.m_enableMotor=d.enableMotor;this.m_limitState=I.e_inactiveLimit;this.m_axis.SetZero();this.m_perp.SetZero()};H.prototype.InitVelocityConstraints=function(d){var h=this.m_bodyA,l=this.m_bodyB,j,o=0;this.m_localCenterA.SetV(h.GetLocalCenter());this.m_localCenterB.SetV(l.GetLocalCenter());var q=h.GetTransform();l.GetTransform();j=h.m_xf.R;var n=this.m_localAnchor1.x-this.m_localCenterA.x,a=this.m_localAnchor1.y-this.m_localCenterA.y;o=j.col1.x*n+j.col2.x*
-a;a=j.col1.y*n+j.col2.y*a;n=o;j=l.m_xf.R;var c=this.m_localAnchor2.x-this.m_localCenterB.x,g=this.m_localAnchor2.y-this.m_localCenterB.y;o=j.col1.x*c+j.col2.x*g;g=j.col1.y*c+j.col2.y*g;c=o;j=l.m_sweep.c.x+c-h.m_sweep.c.x-n;o=l.m_sweep.c.y+g-h.m_sweep.c.y-a;this.m_invMassA=h.m_invMass;this.m_invMassB=l.m_invMass;this.m_invIA=h.m_invI;this.m_invIB=l.m_invI;this.m_axis.SetV(y.MulMV(q.R,this.m_localXAxis1));this.m_a1=(j+n)*this.m_axis.y-(o+a)*this.m_axis.x;this.m_a2=c*this.m_axis.y-g*this.m_axis.x;this.m_motorMass=
-this.m_invMassA+this.m_invMassB+this.m_invIA*this.m_a1*this.m_a1+this.m_invIB*this.m_a2*this.m_a2;if(this.m_motorMass>Number.MIN_VALUE)this.m_motorMass=1/this.m_motorMass;this.m_perp.SetV(y.MulMV(q.R,this.m_localYAxis1));this.m_s1=(j+n)*this.m_perp.y-(o+a)*this.m_perp.x;this.m_s2=c*this.m_perp.y-g*this.m_perp.x;q=this.m_invMassA;n=this.m_invMassB;a=this.m_invIA;c=this.m_invIB;this.m_K.col1.x=q+n+a*this.m_s1*this.m_s1+c*this.m_s2*this.m_s2;this.m_K.col1.y=a*this.m_s1+c*this.m_s2;this.m_K.col1.z=a*
-this.m_s1*this.m_a1+c*this.m_s2*this.m_a2;this.m_K.col2.x=this.m_K.col1.y;this.m_K.col2.y=a+c;this.m_K.col2.z=a*this.m_a1+c*this.m_a2;this.m_K.col3.x=this.m_K.col1.z;this.m_K.col3.y=this.m_K.col2.z;this.m_K.col3.z=q+n+a*this.m_a1*this.m_a1+c*this.m_a2*this.m_a2;if(this.m_enableLimit){j=this.m_axis.x*j+this.m_axis.y*o;if(y.Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*F.b2_linearSlop)this.m_limitState=I.e_equalLimits;else if(j<=this.m_lowerTranslation){if(this.m_limitState!=I.e_atLowerLimit){this.m_limitState=
-I.e_atLowerLimit;this.m_impulse.z=0}}else if(j>=this.m_upperTranslation){if(this.m_limitState!=I.e_atUpperLimit){this.m_limitState=I.e_atUpperLimit;this.m_impulse.z=0}}else{this.m_limitState=I.e_inactiveLimit;this.m_impulse.z=0}}else this.m_limitState=I.e_inactiveLimit;if(this.m_enableMotor==false)this.m_motorImpulse=0;if(d.warmStarting){this.m_impulse.x*=d.dtRatio;this.m_impulse.y*=d.dtRatio;this.m_motorImpulse*=d.dtRatio;d=this.m_impulse.x*this.m_perp.x+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.x;
-j=this.m_impulse.x*this.m_perp.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.y;o=this.m_impulse.x*this.m_s1+this.m_impulse.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_a1;q=this.m_impulse.x*this.m_s2+this.m_impulse.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_a2;h.m_linearVelocity.x-=this.m_invMassA*d;h.m_linearVelocity.y-=this.m_invMassA*j;h.m_angularVelocity-=this.m_invIA*o;l.m_linearVelocity.x+=this.m_invMassB*d;l.m_linearVelocity.y+=this.m_invMassB*j;l.m_angularVelocity+=this.m_invIB*
-q}else{this.m_impulse.SetZero();this.m_motorImpulse=0}};H.prototype.SolveVelocityConstraints=function(d){var h=this.m_bodyA,l=this.m_bodyB,j=h.m_linearVelocity,o=h.m_angularVelocity,q=l.m_linearVelocity,n=l.m_angularVelocity,a=0,c=0,g=0,b=0;if(this.m_enableMotor&&this.m_limitState!=I.e_equalLimits){b=this.m_motorMass*(this.m_motorSpeed-(this.m_axis.x*(q.x-j.x)+this.m_axis.y*(q.y-j.y)+this.m_a2*n-this.m_a1*o));a=this.m_motorImpulse;d=d.dt*this.m_maxMotorForce;this.m_motorImpulse=y.Clamp(this.m_motorImpulse+
-b,-d,d);b=this.m_motorImpulse-a;a=b*this.m_axis.x;c=b*this.m_axis.y;g=b*this.m_a1;b=b*this.m_a2;j.x-=this.m_invMassA*a;j.y-=this.m_invMassA*c;o-=this.m_invIA*g;q.x+=this.m_invMassB*a;q.y+=this.m_invMassB*c;n+=this.m_invIB*b}g=this.m_perp.x*(q.x-j.x)+this.m_perp.y*(q.y-j.y)+this.m_s2*n-this.m_s1*o;c=n-o;if(this.m_enableLimit&&this.m_limitState!=I.e_inactiveLimit){d=this.m_axis.x*(q.x-j.x)+this.m_axis.y*(q.y-j.y)+this.m_a2*n-this.m_a1*o;a=this.m_impulse.Copy();d=this.m_K.Solve33(new A,-g,-c,-d);this.m_impulse.Add(d);
-if(this.m_limitState==I.e_atLowerLimit)this.m_impulse.z=y.Max(this.m_impulse.z,0);else if(this.m_limitState==I.e_atUpperLimit)this.m_impulse.z=y.Min(this.m_impulse.z,0);g=-g-(this.m_impulse.z-a.z)*this.m_K.col3.x;c=-c-(this.m_impulse.z-a.z)*this.m_K.col3.y;c=this.m_K.Solve22(new w,g,c);c.x+=a.x;c.y+=a.y;this.m_impulse.x=c.x;this.m_impulse.y=c.y;d.x=this.m_impulse.x-a.x;d.y=this.m_impulse.y-a.y;d.z=this.m_impulse.z-a.z;a=d.x*this.m_perp.x+d.z*this.m_axis.x;c=d.x*this.m_perp.y+d.z*this.m_axis.y;g=d.x*
-this.m_s1+d.y+d.z*this.m_a1;b=d.x*this.m_s2+d.y+d.z*this.m_a2}else{d=this.m_K.Solve22(new w,-g,-c);this.m_impulse.x+=d.x;this.m_impulse.y+=d.y;a=d.x*this.m_perp.x;c=d.x*this.m_perp.y;g=d.x*this.m_s1+d.y;b=d.x*this.m_s2+d.y}j.x-=this.m_invMassA*a;j.y-=this.m_invMassA*c;o-=this.m_invIA*g;q.x+=this.m_invMassB*a;q.y+=this.m_invMassB*c;n+=this.m_invIB*b;h.m_linearVelocity.SetV(j);h.m_angularVelocity=o;l.m_linearVelocity.SetV(q);l.m_angularVelocity=n};H.prototype.SolvePositionConstraints=function(){var d=
-this.m_bodyA,h=this.m_bodyB,l=d.m_sweep.c,j=d.m_sweep.a,o=h.m_sweep.c,q=h.m_sweep.a,n,a=0,c=0,g=0,b=a=n=0,e=0;c=false;var f=0,m=G.FromAngle(j),r=G.FromAngle(q);n=m;e=this.m_localAnchor1.x-this.m_localCenterA.x;var s=this.m_localAnchor1.y-this.m_localCenterA.y;a=n.col1.x*e+n.col2.x*s;s=n.col1.y*e+n.col2.y*s;e=a;n=r;r=this.m_localAnchor2.x-this.m_localCenterB.x;g=this.m_localAnchor2.y-this.m_localCenterB.y;a=n.col1.x*r+n.col2.x*g;g=n.col1.y*r+n.col2.y*g;r=a;n=o.x+r-l.x-e;a=o.y+g-l.y-s;if(this.m_enableLimit){this.m_axis=
-y.MulMV(m,this.m_localXAxis1);this.m_a1=(n+e)*this.m_axis.y-(a+s)*this.m_axis.x;this.m_a2=r*this.m_axis.y-g*this.m_axis.x;var v=this.m_axis.x*n+this.m_axis.y*a;if(y.Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*F.b2_linearSlop){f=y.Clamp(v,-F.b2_maxLinearCorrection,F.b2_maxLinearCorrection);b=y.Abs(v);c=true}else if(v<=this.m_lowerTranslation){f=y.Clamp(v-this.m_lowerTranslation+F.b2_linearSlop,-F.b2_maxLinearCorrection,0);b=this.m_lowerTranslation-v;c=true}else if(v>=this.m_upperTranslation){f=
-y.Clamp(v-this.m_upperTranslation+F.b2_linearSlop,0,F.b2_maxLinearCorrection);b=v-this.m_upperTranslation;c=true}}this.m_perp=y.MulMV(m,this.m_localYAxis1);this.m_s1=(n+e)*this.m_perp.y-(a+s)*this.m_perp.x;this.m_s2=r*this.m_perp.y-g*this.m_perp.x;m=new A;s=this.m_perp.x*n+this.m_perp.y*a;r=q-j-this.m_refAngle;b=y.Max(b,y.Abs(s));e=y.Abs(r);if(c){c=this.m_invMassA;g=this.m_invMassB;n=this.m_invIA;a=this.m_invIB;this.m_K.col1.x=c+g+n*this.m_s1*this.m_s1+a*this.m_s2*this.m_s2;this.m_K.col1.y=n*this.m_s1+
-a*this.m_s2;this.m_K.col1.z=n*this.m_s1*this.m_a1+a*this.m_s2*this.m_a2;this.m_K.col2.x=this.m_K.col1.y;this.m_K.col2.y=n+a;this.m_K.col2.z=n*this.m_a1+a*this.m_a2;this.m_K.col3.x=this.m_K.col1.z;this.m_K.col3.y=this.m_K.col2.z;this.m_K.col3.z=c+g+n*this.m_a1*this.m_a1+a*this.m_a2*this.m_a2;this.m_K.Solve33(m,-s,-r,-f)}else{c=this.m_invMassA;g=this.m_invMassB;n=this.m_invIA;a=this.m_invIB;f=n*this.m_s1+a*this.m_s2;v=n+a;this.m_K.col1.Set(c+g+n*this.m_s1*this.m_s1+a*this.m_s2*this.m_s2,f,0);this.m_K.col2.Set(f,
-v,0);f=this.m_K.Solve22(new w,-s,-r);m.x=f.x;m.y=f.y;m.z=0}f=m.x*this.m_perp.x+m.z*this.m_axis.x;c=m.x*this.m_perp.y+m.z*this.m_axis.y;s=m.x*this.m_s1+m.y+m.z*this.m_a1;m=m.x*this.m_s2+m.y+m.z*this.m_a2;l.x-=this.m_invMassA*f;l.y-=this.m_invMassA*c;j-=this.m_invIA*s;o.x+=this.m_invMassB*f;o.y+=this.m_invMassB*c;q+=this.m_invIB*m;d.m_sweep.a=j;h.m_sweep.a=q;d.SynchronizeTransform();h.SynchronizeTransform();return b<=F.b2_linearSlop&&e<=F.b2_angularSlop};Box2D.inherit(O,Box2D.Dynamics.Joints.b2JointDef);
-O.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;O.b2PrismaticJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=new w;this.localAnchorB=new w;this.localAxisA=new w};O.prototype.b2PrismaticJointDef=function(){this.__super.b2JointDef.call(this);this.type=I.e_prismaticJoint;this.localAxisA.Set(1,0);this.referenceAngle=0;this.enableLimit=false;this.upperTranslation=this.lowerTranslation=0;this.enableMotor=false;this.motorSpeed=this.maxMotorForce=
-0};O.prototype.Initialize=function(d,h,l,j){this.bodyA=d;this.bodyB=h;this.localAnchorA=this.bodyA.GetLocalPoint(l);this.localAnchorB=this.bodyB.GetLocalPoint(l);this.localAxisA=this.bodyA.GetLocalVector(j);this.referenceAngle=this.bodyB.GetAngle()-this.bodyA.GetAngle()};Box2D.inherit(E,Box2D.Dynamics.Joints.b2Joint);E.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;E.b2PulleyJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_groundAnchor1=new w;this.m_groundAnchor2=
-new w;this.m_localAnchor1=new w;this.m_localAnchor2=new w;this.m_u1=new w;this.m_u2=new w};E.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};E.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};E.prototype.GetReactionForce=function(d){if(d===undefined)d=0;return new w(d*this.m_impulse*this.m_u2.x,d*this.m_impulse*this.m_u2.y)};E.prototype.GetReactionTorque=function(){return 0};E.prototype.GetGroundAnchorA=function(){var d=
-this.m_ground.m_xf.position.Copy();d.Add(this.m_groundAnchor1);return d};E.prototype.GetGroundAnchorB=function(){var d=this.m_ground.m_xf.position.Copy();d.Add(this.m_groundAnchor2);return d};E.prototype.GetLength1=function(){var d=this.m_bodyA.GetWorldPoint(this.m_localAnchor1),h=d.x-(this.m_ground.m_xf.position.x+this.m_groundAnchor1.x);d=d.y-(this.m_ground.m_xf.position.y+this.m_groundAnchor1.y);return Math.sqrt(h*h+d*d)};E.prototype.GetLength2=function(){var d=this.m_bodyB.GetWorldPoint(this.m_localAnchor2),
-h=d.x-(this.m_ground.m_xf.position.x+this.m_groundAnchor2.x);d=d.y-(this.m_ground.m_xf.position.y+this.m_groundAnchor2.y);return Math.sqrt(h*h+d*d)};E.prototype.GetRatio=function(){return this.m_ratio};E.prototype.b2PulleyJoint=function(d){this.__super.b2Joint.call(this,d);this.m_ground=this.m_bodyA.m_world.m_groundBody;this.m_groundAnchor1.x=d.groundAnchorA.x-this.m_ground.m_xf.position.x;this.m_groundAnchor1.y=d.groundAnchorA.y-this.m_ground.m_xf.position.y;this.m_groundAnchor2.x=d.groundAnchorB.x-
-this.m_ground.m_xf.position.x;this.m_groundAnchor2.y=d.groundAnchorB.y-this.m_ground.m_xf.position.y;this.m_localAnchor1.SetV(d.localAnchorA);this.m_localAnchor2.SetV(d.localAnchorB);this.m_ratio=d.ratio;this.m_constant=d.lengthA+this.m_ratio*d.lengthB;this.m_maxLength1=y.Min(d.maxLengthA,this.m_constant-this.m_ratio*E.b2_minPulleyLength);this.m_maxLength2=y.Min(d.maxLengthB,(this.m_constant-E.b2_minPulleyLength)/this.m_ratio);this.m_limitImpulse2=this.m_limitImpulse1=this.m_impulse=0};E.prototype.InitVelocityConstraints=
-function(d){var h=this.m_bodyA,l=this.m_bodyB,j;j=h.m_xf.R;var o=this.m_localAnchor1.x-h.m_sweep.localCenter.x,q=this.m_localAnchor1.y-h.m_sweep.localCenter.y,n=j.col1.x*o+j.col2.x*q;q=j.col1.y*o+j.col2.y*q;o=n;j=l.m_xf.R;var a=this.m_localAnchor2.x-l.m_sweep.localCenter.x,c=this.m_localAnchor2.y-l.m_sweep.localCenter.y;n=j.col1.x*a+j.col2.x*c;c=j.col1.y*a+j.col2.y*c;a=n;j=l.m_sweep.c.x+a;n=l.m_sweep.c.y+c;var g=this.m_ground.m_xf.position.x+this.m_groundAnchor2.x,b=this.m_ground.m_xf.position.y+
-this.m_groundAnchor2.y;this.m_u1.Set(h.m_sweep.c.x+o-(this.m_ground.m_xf.position.x+this.m_groundAnchor1.x),h.m_sweep.c.y+q-(this.m_ground.m_xf.position.y+this.m_groundAnchor1.y));this.m_u2.Set(j-g,n-b);j=this.m_u1.Length();n=this.m_u2.Length();j>F.b2_linearSlop?this.m_u1.Multiply(1/j):this.m_u1.SetZero();n>F.b2_linearSlop?this.m_u2.Multiply(1/n):this.m_u2.SetZero();if(this.m_constant-j-this.m_ratio*n>0){this.m_state=I.e_inactiveLimit;this.m_impulse=0}else this.m_state=I.e_atUpperLimit;if(j<this.m_maxLength1){this.m_limitState1=
-I.e_inactiveLimit;this.m_limitImpulse1=0}else this.m_limitState1=I.e_atUpperLimit;if(n<this.m_maxLength2){this.m_limitState2=I.e_inactiveLimit;this.m_limitImpulse2=0}else this.m_limitState2=I.e_atUpperLimit;j=o*this.m_u1.y-q*this.m_u1.x;n=a*this.m_u2.y-c*this.m_u2.x;this.m_limitMass1=h.m_invMass+h.m_invI*j*j;this.m_limitMass2=l.m_invMass+l.m_invI*n*n;this.m_pulleyMass=this.m_limitMass1+this.m_ratio*this.m_ratio*this.m_limitMass2;this.m_limitMass1=1/this.m_limitMass1;this.m_limitMass2=1/this.m_limitMass2;
-this.m_pulleyMass=1/this.m_pulleyMass;if(d.warmStarting){this.m_impulse*=d.dtRatio;this.m_limitImpulse1*=d.dtRatio;this.m_limitImpulse2*=d.dtRatio;d=(-this.m_impulse-this.m_limitImpulse1)*this.m_u1.x;j=(-this.m_impulse-this.m_limitImpulse1)*this.m_u1.y;n=(-this.m_ratio*this.m_impulse-this.m_limitImpulse2)*this.m_u2.x;g=(-this.m_ratio*this.m_impulse-this.m_limitImpulse2)*this.m_u2.y;h.m_linearVelocity.x+=h.m_invMass*d;h.m_linearVelocity.y+=h.m_invMass*j;h.m_angularVelocity+=h.m_invI*(o*j-q*d);l.m_linearVelocity.x+=
-l.m_invMass*n;l.m_linearVelocity.y+=l.m_invMass*g;l.m_angularVelocity+=l.m_invI*(a*g-c*n)}else this.m_limitImpulse2=this.m_limitImpulse1=this.m_impulse=0};E.prototype.SolveVelocityConstraints=function(){var d=this.m_bodyA,h=this.m_bodyB,l;l=d.m_xf.R;var j=this.m_localAnchor1.x-d.m_sweep.localCenter.x,o=this.m_localAnchor1.y-d.m_sweep.localCenter.y,q=l.col1.x*j+l.col2.x*o;o=l.col1.y*j+l.col2.y*o;j=q;l=h.m_xf.R;var n=this.m_localAnchor2.x-h.m_sweep.localCenter.x,a=this.m_localAnchor2.y-h.m_sweep.localCenter.y;
-q=l.col1.x*n+l.col2.x*a;a=l.col1.y*n+l.col2.y*a;n=q;var c=q=l=0,g=0;l=g=l=g=c=q=l=0;if(this.m_state==I.e_atUpperLimit){l=d.m_linearVelocity.x+-d.m_angularVelocity*o;q=d.m_linearVelocity.y+d.m_angularVelocity*j;c=h.m_linearVelocity.x+-h.m_angularVelocity*a;g=h.m_linearVelocity.y+h.m_angularVelocity*n;l=-(this.m_u1.x*l+this.m_u1.y*q)-this.m_ratio*(this.m_u2.x*c+this.m_u2.y*g);g=this.m_pulleyMass*-l;l=this.m_impulse;this.m_impulse=y.Max(0,this.m_impulse+g);g=this.m_impulse-l;l=-g*this.m_u1.x;q=-g*this.m_u1.y;
-c=-this.m_ratio*g*this.m_u2.x;g=-this.m_ratio*g*this.m_u2.y;d.m_linearVelocity.x+=d.m_invMass*l;d.m_linearVelocity.y+=d.m_invMass*q;d.m_angularVelocity+=d.m_invI*(j*q-o*l);h.m_linearVelocity.x+=h.m_invMass*c;h.m_linearVelocity.y+=h.m_invMass*g;h.m_angularVelocity+=h.m_invI*(n*g-a*c)}if(this.m_limitState1==I.e_atUpperLimit){l=d.m_linearVelocity.x+-d.m_angularVelocity*o;q=d.m_linearVelocity.y+d.m_angularVelocity*j;l=-(this.m_u1.x*l+this.m_u1.y*q);g=-this.m_limitMass1*l;l=this.m_limitImpulse1;this.m_limitImpulse1=
-y.Max(0,this.m_limitImpulse1+g);g=this.m_limitImpulse1-l;l=-g*this.m_u1.x;q=-g*this.m_u1.y;d.m_linearVelocity.x+=d.m_invMass*l;d.m_linearVelocity.y+=d.m_invMass*q;d.m_angularVelocity+=d.m_invI*(j*q-o*l)}if(this.m_limitState2==I.e_atUpperLimit){c=h.m_linearVelocity.x+-h.m_angularVelocity*a;g=h.m_linearVelocity.y+h.m_angularVelocity*n;l=-(this.m_u2.x*c+this.m_u2.y*g);g=-this.m_limitMass2*l;l=this.m_limitImpulse2;this.m_limitImpulse2=y.Max(0,this.m_limitImpulse2+g);g=this.m_limitImpulse2-l;c=-g*this.m_u2.x;
-g=-g*this.m_u2.y;h.m_linearVelocity.x+=h.m_invMass*c;h.m_linearVelocity.y+=h.m_invMass*g;h.m_angularVelocity+=h.m_invI*(n*g-a*c)}};E.prototype.SolvePositionConstraints=function(){var d=this.m_bodyA,h=this.m_bodyB,l,j=this.m_ground.m_xf.position.x+this.m_groundAnchor1.x,o=this.m_ground.m_xf.position.y+this.m_groundAnchor1.y,q=this.m_ground.m_xf.position.x+this.m_groundAnchor2.x,n=this.m_ground.m_xf.position.y+this.m_groundAnchor2.y,a=0,c=0,g=0,b=0,e=l=0,f=0,m=0,r=e=m=l=e=l=0;if(this.m_state==I.e_atUpperLimit){l=
-d.m_xf.R;a=this.m_localAnchor1.x-d.m_sweep.localCenter.x;c=this.m_localAnchor1.y-d.m_sweep.localCenter.y;e=l.col1.x*a+l.col2.x*c;c=l.col1.y*a+l.col2.y*c;a=e;l=h.m_xf.R;g=this.m_localAnchor2.x-h.m_sweep.localCenter.x;b=this.m_localAnchor2.y-h.m_sweep.localCenter.y;e=l.col1.x*g+l.col2.x*b;b=l.col1.y*g+l.col2.y*b;g=e;l=d.m_sweep.c.x+a;e=d.m_sweep.c.y+c;f=h.m_sweep.c.x+g;m=h.m_sweep.c.y+b;this.m_u1.Set(l-j,e-o);this.m_u2.Set(f-q,m-n);l=this.m_u1.Length();e=this.m_u2.Length();l>F.b2_linearSlop?this.m_u1.Multiply(1/
-l):this.m_u1.SetZero();e>F.b2_linearSlop?this.m_u2.Multiply(1/e):this.m_u2.SetZero();l=this.m_constant-l-this.m_ratio*e;r=y.Max(r,-l);l=y.Clamp(l+F.b2_linearSlop,-F.b2_maxLinearCorrection,0);m=-this.m_pulleyMass*l;l=-m*this.m_u1.x;e=-m*this.m_u1.y;f=-this.m_ratio*m*this.m_u2.x;m=-this.m_ratio*m*this.m_u2.y;d.m_sweep.c.x+=d.m_invMass*l;d.m_sweep.c.y+=d.m_invMass*e;d.m_sweep.a+=d.m_invI*(a*e-c*l);h.m_sweep.c.x+=h.m_invMass*f;h.m_sweep.c.y+=h.m_invMass*m;h.m_sweep.a+=h.m_invI*(g*m-b*f);d.SynchronizeTransform();
-h.SynchronizeTransform()}if(this.m_limitState1==I.e_atUpperLimit){l=d.m_xf.R;a=this.m_localAnchor1.x-d.m_sweep.localCenter.x;c=this.m_localAnchor1.y-d.m_sweep.localCenter.y;e=l.col1.x*a+l.col2.x*c;c=l.col1.y*a+l.col2.y*c;a=e;l=d.m_sweep.c.x+a;e=d.m_sweep.c.y+c;this.m_u1.Set(l-j,e-o);l=this.m_u1.Length();if(l>F.b2_linearSlop){this.m_u1.x*=1/l;this.m_u1.y*=1/l}else this.m_u1.SetZero();l=this.m_maxLength1-l;r=y.Max(r,-l);l=y.Clamp(l+F.b2_linearSlop,-F.b2_maxLinearCorrection,0);m=-this.m_limitMass1*l;
-l=-m*this.m_u1.x;e=-m*this.m_u1.y;d.m_sweep.c.x+=d.m_invMass*l;d.m_sweep.c.y+=d.m_invMass*e;d.m_sweep.a+=d.m_invI*(a*e-c*l);d.SynchronizeTransform()}if(this.m_limitState2==I.e_atUpperLimit){l=h.m_xf.R;g=this.m_localAnchor2.x-h.m_sweep.localCenter.x;b=this.m_localAnchor2.y-h.m_sweep.localCenter.y;e=l.col1.x*g+l.col2.x*b;b=l.col1.y*g+l.col2.y*b;g=e;f=h.m_sweep.c.x+g;m=h.m_sweep.c.y+b;this.m_u2.Set(f-q,m-n);e=this.m_u2.Length();if(e>F.b2_linearSlop){this.m_u2.x*=1/e;this.m_u2.y*=1/e}else this.m_u2.SetZero();
-l=this.m_maxLength2-e;r=y.Max(r,-l);l=y.Clamp(l+F.b2_linearSlop,-F.b2_maxLinearCorrection,0);m=-this.m_limitMass2*l;f=-m*this.m_u2.x;m=-m*this.m_u2.y;h.m_sweep.c.x+=h.m_invMass*f;h.m_sweep.c.y+=h.m_invMass*m;h.m_sweep.a+=h.m_invI*(g*m-b*f);h.SynchronizeTransform()}return r<F.b2_linearSlop};Box2D.postDefs.push(function(){Box2D.Dynamics.Joints.b2PulleyJoint.b2_minPulleyLength=2});Box2D.inherit(R,Box2D.Dynamics.Joints.b2JointDef);R.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;R.b2PulleyJointDef=
-function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.groundAnchorA=new w;this.groundAnchorB=new w;this.localAnchorA=new w;this.localAnchorB=new w};R.prototype.b2PulleyJointDef=function(){this.__super.b2JointDef.call(this);this.type=I.e_pulleyJoint;this.groundAnchorA.Set(-1,1);this.groundAnchorB.Set(1,1);this.localAnchorA.Set(-1,0);this.localAnchorB.Set(1,0);this.maxLengthB=this.lengthB=this.maxLengthA=this.lengthA=0;this.ratio=1;this.collideConnected=true};R.prototype.Initialize=
-function(d,h,l,j,o,q,n){if(n===undefined)n=0;this.bodyA=d;this.bodyB=h;this.groundAnchorA.SetV(l);this.groundAnchorB.SetV(j);this.localAnchorA=this.bodyA.GetLocalPoint(o);this.localAnchorB=this.bodyB.GetLocalPoint(q);d=o.x-l.x;l=o.y-l.y;this.lengthA=Math.sqrt(d*d+l*l);l=q.x-j.x;j=q.y-j.y;this.lengthB=Math.sqrt(l*l+j*j);this.ratio=n;n=this.lengthA+this.ratio*this.lengthB;this.maxLengthA=n-this.ratio*E.b2_minPulleyLength;this.maxLengthB=(n-E.b2_minPulleyLength)/this.ratio};Box2D.inherit(N,Box2D.Dynamics.Joints.b2Joint);
-N.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;N.b2RevoluteJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.K=new G;this.K1=new G;this.K2=new G;this.K3=new G;this.impulse3=new A;this.impulse2=new w;this.reduced=new w;this.m_localAnchor1=new w;this.m_localAnchor2=new w;this.m_impulse=new A;this.m_mass=new K};N.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};N.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};
-N.prototype.GetReactionForce=function(d){if(d===undefined)d=0;return new w(d*this.m_impulse.x,d*this.m_impulse.y)};N.prototype.GetReactionTorque=function(d){if(d===undefined)d=0;return d*this.m_impulse.z};N.prototype.GetJointAngle=function(){return this.m_bodyB.m_sweep.a-this.m_bodyA.m_sweep.a-this.m_referenceAngle};N.prototype.GetJointSpeed=function(){return this.m_bodyB.m_angularVelocity-this.m_bodyA.m_angularVelocity};N.prototype.IsLimitEnabled=function(){return this.m_enableLimit};N.prototype.EnableLimit=
-function(d){this.m_enableLimit=d};N.prototype.GetLowerLimit=function(){return this.m_lowerAngle};N.prototype.GetUpperLimit=function(){return this.m_upperAngle};N.prototype.SetLimits=function(d,h){if(d===undefined)d=0;if(h===undefined)h=0;this.m_lowerAngle=d;this.m_upperAngle=h};N.prototype.IsMotorEnabled=function(){this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);return this.m_enableMotor};N.prototype.EnableMotor=function(d){this.m_enableMotor=d};N.prototype.SetMotorSpeed=function(d){if(d===
-undefined)d=0;this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_motorSpeed=d};N.prototype.GetMotorSpeed=function(){return this.m_motorSpeed};N.prototype.SetMaxMotorTorque=function(d){if(d===undefined)d=0;this.m_maxMotorTorque=d};N.prototype.GetMotorTorque=function(){return this.m_maxMotorTorque};N.prototype.b2RevoluteJoint=function(d){this.__super.b2Joint.call(this,d);this.m_localAnchor1.SetV(d.localAnchorA);this.m_localAnchor2.SetV(d.localAnchorB);this.m_referenceAngle=d.referenceAngle;
-this.m_impulse.SetZero();this.m_motorImpulse=0;this.m_lowerAngle=d.lowerAngle;this.m_upperAngle=d.upperAngle;this.m_maxMotorTorque=d.maxMotorTorque;this.m_motorSpeed=d.motorSpeed;this.m_enableLimit=d.enableLimit;this.m_enableMotor=d.enableMotor;this.m_limitState=I.e_inactiveLimit};N.prototype.InitVelocityConstraints=function(d){var h=this.m_bodyA,l=this.m_bodyB,j,o=0;j=h.m_xf.R;var q=this.m_localAnchor1.x-h.m_sweep.localCenter.x,n=this.m_localAnchor1.y-h.m_sweep.localCenter.y;o=j.col1.x*q+j.col2.x*
-n;n=j.col1.y*q+j.col2.y*n;q=o;j=l.m_xf.R;var a=this.m_localAnchor2.x-l.m_sweep.localCenter.x,c=this.m_localAnchor2.y-l.m_sweep.localCenter.y;o=j.col1.x*a+j.col2.x*c;c=j.col1.y*a+j.col2.y*c;a=o;j=h.m_invMass;o=l.m_invMass;var g=h.m_invI,b=l.m_invI;this.m_mass.col1.x=j+o+n*n*g+c*c*b;this.m_mass.col2.x=-n*q*g-c*a*b;this.m_mass.col3.x=-n*g-c*b;this.m_mass.col1.y=this.m_mass.col2.x;this.m_mass.col2.y=j+o+q*q*g+a*a*b;this.m_mass.col3.y=q*g+a*b;this.m_mass.col1.z=this.m_mass.col3.x;this.m_mass.col2.z=this.m_mass.col3.y;
-this.m_mass.col3.z=g+b;this.m_motorMass=1/(g+b);if(this.m_enableMotor==false)this.m_motorImpulse=0;if(this.m_enableLimit){var e=l.m_sweep.a-h.m_sweep.a-this.m_referenceAngle;if(y.Abs(this.m_upperAngle-this.m_lowerAngle)<2*F.b2_angularSlop)this.m_limitState=I.e_equalLimits;else if(e<=this.m_lowerAngle){if(this.m_limitState!=I.e_atLowerLimit)this.m_impulse.z=0;this.m_limitState=I.e_atLowerLimit}else if(e>=this.m_upperAngle){if(this.m_limitState!=I.e_atUpperLimit)this.m_impulse.z=0;this.m_limitState=
-I.e_atUpperLimit}else{this.m_limitState=I.e_inactiveLimit;this.m_impulse.z=0}}else this.m_limitState=I.e_inactiveLimit;if(d.warmStarting){this.m_impulse.x*=d.dtRatio;this.m_impulse.y*=d.dtRatio;this.m_motorImpulse*=d.dtRatio;d=this.m_impulse.x;e=this.m_impulse.y;h.m_linearVelocity.x-=j*d;h.m_linearVelocity.y-=j*e;h.m_angularVelocity-=g*(q*e-n*d+this.m_motorImpulse+this.m_impulse.z);l.m_linearVelocity.x+=o*d;l.m_linearVelocity.y+=o*e;l.m_angularVelocity+=b*(a*e-c*d+this.m_motorImpulse+this.m_impulse.z)}else{this.m_impulse.SetZero();
-this.m_motorImpulse=0}};N.prototype.SolveVelocityConstraints=function(d){var h=this.m_bodyA,l=this.m_bodyB,j=0,o=j=0,q=0,n=0,a=0,c=h.m_linearVelocity,g=h.m_angularVelocity,b=l.m_linearVelocity,e=l.m_angularVelocity,f=h.m_invMass,m=l.m_invMass,r=h.m_invI,s=l.m_invI;if(this.m_enableMotor&&this.m_limitState!=I.e_equalLimits){o=this.m_motorMass*-(e-g-this.m_motorSpeed);q=this.m_motorImpulse;n=d.dt*this.m_maxMotorTorque;this.m_motorImpulse=y.Clamp(this.m_motorImpulse+o,-n,n);o=this.m_motorImpulse-q;g-=
-r*o;e+=s*o}if(this.m_enableLimit&&this.m_limitState!=I.e_inactiveLimit){d=h.m_xf.R;o=this.m_localAnchor1.x-h.m_sweep.localCenter.x;q=this.m_localAnchor1.y-h.m_sweep.localCenter.y;j=d.col1.x*o+d.col2.x*q;q=d.col1.y*o+d.col2.y*q;o=j;d=l.m_xf.R;n=this.m_localAnchor2.x-l.m_sweep.localCenter.x;a=this.m_localAnchor2.y-l.m_sweep.localCenter.y;j=d.col1.x*n+d.col2.x*a;a=d.col1.y*n+d.col2.y*a;n=j;d=b.x+-e*a-c.x- -g*q;var v=b.y+e*n-c.y-g*o;this.m_mass.Solve33(this.impulse3,-d,-v,-(e-g));if(this.m_limitState==
-I.e_equalLimits)this.m_impulse.Add(this.impulse3);else if(this.m_limitState==I.e_atLowerLimit){j=this.m_impulse.z+this.impulse3.z;if(j<0){this.m_mass.Solve22(this.reduced,-d,-v);this.impulse3.x=this.reduced.x;this.impulse3.y=this.reduced.y;this.impulse3.z=-this.m_impulse.z;this.m_impulse.x+=this.reduced.x;this.m_impulse.y+=this.reduced.y;this.m_impulse.z=0}}else if(this.m_limitState==I.e_atUpperLimit){j=this.m_impulse.z+this.impulse3.z;if(j>0){this.m_mass.Solve22(this.reduced,-d,-v);this.impulse3.x=
-this.reduced.x;this.impulse3.y=this.reduced.y;this.impulse3.z=-this.m_impulse.z;this.m_impulse.x+=this.reduced.x;this.m_impulse.y+=this.reduced.y;this.m_impulse.z=0}}c.x-=f*this.impulse3.x;c.y-=f*this.impulse3.y;g-=r*(o*this.impulse3.y-q*this.impulse3.x+this.impulse3.z);b.x+=m*this.impulse3.x;b.y+=m*this.impulse3.y;e+=s*(n*this.impulse3.y-a*this.impulse3.x+this.impulse3.z)}else{d=h.m_xf.R;o=this.m_localAnchor1.x-h.m_sweep.localCenter.x;q=this.m_localAnchor1.y-h.m_sweep.localCenter.y;j=d.col1.x*o+
-d.col2.x*q;q=d.col1.y*o+d.col2.y*q;o=j;d=l.m_xf.R;n=this.m_localAnchor2.x-l.m_sweep.localCenter.x;a=this.m_localAnchor2.y-l.m_sweep.localCenter.y;j=d.col1.x*n+d.col2.x*a;a=d.col1.y*n+d.col2.y*a;n=j;this.m_mass.Solve22(this.impulse2,-(b.x+-e*a-c.x- -g*q),-(b.y+e*n-c.y-g*o));this.m_impulse.x+=this.impulse2.x;this.m_impulse.y+=this.impulse2.y;c.x-=f*this.impulse2.x;c.y-=f*this.impulse2.y;g-=r*(o*this.impulse2.y-q*this.impulse2.x);b.x+=m*this.impulse2.x;b.y+=m*this.impulse2.y;e+=s*(n*this.impulse2.y-
-a*this.impulse2.x)}h.m_linearVelocity.SetV(c);h.m_angularVelocity=g;l.m_linearVelocity.SetV(b);l.m_angularVelocity=e};N.prototype.SolvePositionConstraints=function(){var d=0,h,l=this.m_bodyA,j=this.m_bodyB,o=0,q=h=0,n=0,a=0;if(this.m_enableLimit&&this.m_limitState!=I.e_inactiveLimit){d=j.m_sweep.a-l.m_sweep.a-this.m_referenceAngle;var c=0;if(this.m_limitState==I.e_equalLimits){d=y.Clamp(d-this.m_lowerAngle,-F.b2_maxAngularCorrection,F.b2_maxAngularCorrection);c=-this.m_motorMass*d;o=y.Abs(d)}else if(this.m_limitState==
-I.e_atLowerLimit){d=d-this.m_lowerAngle;o=-d;d=y.Clamp(d+F.b2_angularSlop,-F.b2_maxAngularCorrection,0);c=-this.m_motorMass*d}else if(this.m_limitState==I.e_atUpperLimit){o=d=d-this.m_upperAngle;d=y.Clamp(d-F.b2_angularSlop,0,F.b2_maxAngularCorrection);c=-this.m_motorMass*d}l.m_sweep.a-=l.m_invI*c;j.m_sweep.a+=j.m_invI*c;l.SynchronizeTransform();j.SynchronizeTransform()}h=l.m_xf.R;c=this.m_localAnchor1.x-l.m_sweep.localCenter.x;d=this.m_localAnchor1.y-l.m_sweep.localCenter.y;q=h.col1.x*c+h.col2.x*
-d;d=h.col1.y*c+h.col2.y*d;c=q;h=j.m_xf.R;var g=this.m_localAnchor2.x-j.m_sweep.localCenter.x,b=this.m_localAnchor2.y-j.m_sweep.localCenter.y;q=h.col1.x*g+h.col2.x*b;b=h.col1.y*g+h.col2.y*b;g=q;n=j.m_sweep.c.x+g-l.m_sweep.c.x-c;a=j.m_sweep.c.y+b-l.m_sweep.c.y-d;var e=n*n+a*a;h=Math.sqrt(e);q=l.m_invMass;var f=j.m_invMass,m=l.m_invI,r=j.m_invI,s=10*F.b2_linearSlop;if(e>s*s){e=1/(q+f);n=e*-n;a=e*-a;l.m_sweep.c.x-=0.5*q*n;l.m_sweep.c.y-=0.5*q*a;j.m_sweep.c.x+=0.5*f*n;j.m_sweep.c.y+=0.5*f*a;n=j.m_sweep.c.x+
-g-l.m_sweep.c.x-c;a=j.m_sweep.c.y+b-l.m_sweep.c.y-d}this.K1.col1.x=q+f;this.K1.col2.x=0;this.K1.col1.y=0;this.K1.col2.y=q+f;this.K2.col1.x=m*d*d;this.K2.col2.x=-m*c*d;this.K2.col1.y=-m*c*d;this.K2.col2.y=m*c*c;this.K3.col1.x=r*b*b;this.K3.col2.x=-r*g*b;this.K3.col1.y=-r*g*b;this.K3.col2.y=r*g*g;this.K.SetM(this.K1);this.K.AddM(this.K2);this.K.AddM(this.K3);this.K.Solve(N.tImpulse,-n,-a);n=N.tImpulse.x;a=N.tImpulse.y;l.m_sweep.c.x-=l.m_invMass*n;l.m_sweep.c.y-=l.m_invMass*a;l.m_sweep.a-=l.m_invI*(c*
-a-d*n);j.m_sweep.c.x+=j.m_invMass*n;j.m_sweep.c.y+=j.m_invMass*a;j.m_sweep.a+=j.m_invI*(g*a-b*n);l.SynchronizeTransform();j.SynchronizeTransform();return h<=F.b2_linearSlop&&o<=F.b2_angularSlop};Box2D.postDefs.push(function(){Box2D.Dynamics.Joints.b2RevoluteJoint.tImpulse=new w});Box2D.inherit(S,Box2D.Dynamics.Joints.b2JointDef);S.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;S.b2RevoluteJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=
-new w;this.localAnchorB=new w};S.prototype.b2RevoluteJointDef=function(){this.__super.b2JointDef.call(this);this.type=I.e_revoluteJoint;this.localAnchorA.Set(0,0);this.localAnchorB.Set(0,0);this.motorSpeed=this.maxMotorTorque=this.upperAngle=this.lowerAngle=this.referenceAngle=0;this.enableMotor=this.enableLimit=false};S.prototype.Initialize=function(d,h,l){this.bodyA=d;this.bodyB=h;this.localAnchorA=this.bodyA.GetLocalPoint(l);this.localAnchorB=this.bodyB.GetLocalPoint(l);this.referenceAngle=this.bodyB.GetAngle()-
-this.bodyA.GetAngle()};Box2D.inherit(aa,Box2D.Dynamics.Joints.b2Joint);aa.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;aa.b2WeldJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_localAnchorA=new w;this.m_localAnchorB=new w;this.m_impulse=new A;this.m_mass=new K};aa.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA)};aa.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB)};aa.prototype.GetReactionForce=
-function(d){if(d===undefined)d=0;return new w(d*this.m_impulse.x,d*this.m_impulse.y)};aa.prototype.GetReactionTorque=function(d){if(d===undefined)d=0;return d*this.m_impulse.z};aa.prototype.b2WeldJoint=function(d){this.__super.b2Joint.call(this,d);this.m_localAnchorA.SetV(d.localAnchorA);this.m_localAnchorB.SetV(d.localAnchorB);this.m_referenceAngle=d.referenceAngle;this.m_impulse.SetZero();this.m_mass=new K};aa.prototype.InitVelocityConstraints=function(d){var h,l=0,j=this.m_bodyA,o=this.m_bodyB;
-h=j.m_xf.R;var q=this.m_localAnchorA.x-j.m_sweep.localCenter.x,n=this.m_localAnchorA.y-j.m_sweep.localCenter.y;l=h.col1.x*q+h.col2.x*n;n=h.col1.y*q+h.col2.y*n;q=l;h=o.m_xf.R;var a=this.m_localAnchorB.x-o.m_sweep.localCenter.x,c=this.m_localAnchorB.y-o.m_sweep.localCenter.y;l=h.col1.x*a+h.col2.x*c;c=h.col1.y*a+h.col2.y*c;a=l;h=j.m_invMass;l=o.m_invMass;var g=j.m_invI,b=o.m_invI;this.m_mass.col1.x=h+l+n*n*g+c*c*b;this.m_mass.col2.x=-n*q*g-c*a*b;this.m_mass.col3.x=-n*g-c*b;this.m_mass.col1.y=this.m_mass.col2.x;
-this.m_mass.col2.y=h+l+q*q*g+a*a*b;this.m_mass.col3.y=q*g+a*b;this.m_mass.col1.z=this.m_mass.col3.x;this.m_mass.col2.z=this.m_mass.col3.y;this.m_mass.col3.z=g+b;if(d.warmStarting){this.m_impulse.x*=d.dtRatio;this.m_impulse.y*=d.dtRatio;this.m_impulse.z*=d.dtRatio;j.m_linearVelocity.x-=h*this.m_impulse.x;j.m_linearVelocity.y-=h*this.m_impulse.y;j.m_angularVelocity-=g*(q*this.m_impulse.y-n*this.m_impulse.x+this.m_impulse.z);o.m_linearVelocity.x+=l*this.m_impulse.x;o.m_linearVelocity.y+=l*this.m_impulse.y;
-o.m_angularVelocity+=b*(a*this.m_impulse.y-c*this.m_impulse.x+this.m_impulse.z)}else this.m_impulse.SetZero()};aa.prototype.SolveVelocityConstraints=function(){var d,h=0,l=this.m_bodyA,j=this.m_bodyB,o=l.m_linearVelocity,q=l.m_angularVelocity,n=j.m_linearVelocity,a=j.m_angularVelocity,c=l.m_invMass,g=j.m_invMass,b=l.m_invI,e=j.m_invI;d=l.m_xf.R;var f=this.m_localAnchorA.x-l.m_sweep.localCenter.x,m=this.m_localAnchorA.y-l.m_sweep.localCenter.y;h=d.col1.x*f+d.col2.x*m;m=d.col1.y*f+d.col2.y*m;f=h;d=
-j.m_xf.R;var r=this.m_localAnchorB.x-j.m_sweep.localCenter.x,s=this.m_localAnchorB.y-j.m_sweep.localCenter.y;h=d.col1.x*r+d.col2.x*s;s=d.col1.y*r+d.col2.y*s;r=h;d=n.x-a*s-o.x+q*m;h=n.y+a*r-o.y-q*f;var v=a-q,t=new A;this.m_mass.Solve33(t,-d,-h,-v);this.m_impulse.Add(t);o.x-=c*t.x;o.y-=c*t.y;q-=b*(f*t.y-m*t.x+t.z);n.x+=g*t.x;n.y+=g*t.y;a+=e*(r*t.y-s*t.x+t.z);l.m_angularVelocity=q;j.m_angularVelocity=a};aa.prototype.SolvePositionConstraints=function(){var d,h=0,l=this.m_bodyA,j=this.m_bodyB;d=l.m_xf.R;
-var o=this.m_localAnchorA.x-l.m_sweep.localCenter.x,q=this.m_localAnchorA.y-l.m_sweep.localCenter.y;h=d.col1.x*o+d.col2.x*q;q=d.col1.y*o+d.col2.y*q;o=h;d=j.m_xf.R;var n=this.m_localAnchorB.x-j.m_sweep.localCenter.x,a=this.m_localAnchorB.y-j.m_sweep.localCenter.y;h=d.col1.x*n+d.col2.x*a;a=d.col1.y*n+d.col2.y*a;n=h;d=l.m_invMass;h=j.m_invMass;var c=l.m_invI,g=j.m_invI,b=j.m_sweep.c.x+n-l.m_sweep.c.x-o,e=j.m_sweep.c.y+a-l.m_sweep.c.y-q,f=j.m_sweep.a-l.m_sweep.a-this.m_referenceAngle,m=10*F.b2_linearSlop,
-r=Math.sqrt(b*b+e*e),s=y.Abs(f);if(r>m){c*=1;g*=1}this.m_mass.col1.x=d+h+q*q*c+a*a*g;this.m_mass.col2.x=-q*o*c-a*n*g;this.m_mass.col3.x=-q*c-a*g;this.m_mass.col1.y=this.m_mass.col2.x;this.m_mass.col2.y=d+h+o*o*c+n*n*g;this.m_mass.col3.y=o*c+n*g;this.m_mass.col1.z=this.m_mass.col3.x;this.m_mass.col2.z=this.m_mass.col3.y;this.m_mass.col3.z=c+g;m=new A;this.m_mass.Solve33(m,-b,-e,-f);l.m_sweep.c.x-=d*m.x;l.m_sweep.c.y-=d*m.y;l.m_sweep.a-=c*(o*m.y-q*m.x+m.z);j.m_sweep.c.x+=h*m.x;j.m_sweep.c.y+=h*m.y;
-j.m_sweep.a+=g*(n*m.y-a*m.x+m.z);l.SynchronizeTransform();j.SynchronizeTransform();return r<=F.b2_linearSlop&&s<=F.b2_angularSlop};Box2D.inherit(Z,Box2D.Dynamics.Joints.b2JointDef);Z.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;Z.b2WeldJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=new w;this.localAnchorB=new w};Z.prototype.b2WeldJointDef=function(){this.__super.b2JointDef.call(this);this.type=I.e_weldJoint;this.referenceAngle=
-0};Z.prototype.Initialize=function(d,h,l){this.bodyA=d;this.bodyB=h;this.localAnchorA.SetV(this.bodyA.GetLocalPoint(l));this.localAnchorB.SetV(this.bodyB.GetLocalPoint(l));this.referenceAngle=this.bodyB.GetAngle()-this.bodyA.GetAngle()}})();
-(function(){var F=Box2D.Dynamics.b2DebugDraw;F.b2DebugDraw=function(){this.m_xformScale=this.m_fillAlpha=this.m_alpha=this.m_lineThickness=this.m_drawScale=1;var G=this;this.m_sprite={graphics:{clear:function(){G.m_ctx.clearRect(0,0,G.m_ctx.canvas.width,G.m_ctx.canvas.height)}}}};F.prototype._color=function(G,K){return"rgba("+((G&16711680)>>16)+","+((G&65280)>>8)+","+(G&255)+","+K+")"};F.prototype.b2DebugDraw=function(){this.m_drawFlags=0};F.prototype.SetFlags=function(G){if(G===undefined)G=0;this.m_drawFlags=
-G};F.prototype.GetFlags=function(){return this.m_drawFlags};F.prototype.AppendFlags=function(G){if(G===undefined)G=0;this.m_drawFlags|=G};F.prototype.ClearFlags=function(G){if(G===undefined)G=0;this.m_drawFlags&=~G};F.prototype.SetSprite=function(G){this.m_ctx=G};F.prototype.GetSprite=function(){return this.m_ctx};F.prototype.SetDrawScale=function(G){if(G===undefined)G=0;this.m_drawScale=G};F.prototype.GetDrawScale=function(){return this.m_drawScale};F.prototype.SetLineThickness=function(G){if(G===
-undefined)G=0;this.m_lineThickness=G;this.m_ctx.strokeWidth=G};F.prototype.GetLineThickness=function(){return this.m_lineThickness};F.prototype.SetAlpha=function(G){if(G===undefined)G=0;this.m_alpha=G};F.prototype.GetAlpha=function(){return this.m_alpha};F.prototype.SetFillAlpha=function(G){if(G===undefined)G=0;this.m_fillAlpha=G};F.prototype.GetFillAlpha=function(){return this.m_fillAlpha};F.prototype.SetXFormScale=function(G){if(G===undefined)G=0;this.m_xformScale=G};F.prototype.GetXFormScale=function(){return this.m_xformScale};
-F.prototype.DrawPolygon=function(G,K,y){if(K){var w=this.m_ctx,A=this.m_drawScale;w.beginPath();w.strokeStyle=this._color(y.color,this.m_alpha);w.moveTo(G[0].x*A,G[0].y*A);for(y=1;y<K;y++)w.lineTo(G[y].x*A,G[y].y*A);w.lineTo(G[0].x*A,G[0].y*A);w.closePath();w.stroke()}};F.prototype.DrawSolidPolygon=function(G,K,y){if(K){var w=this.m_ctx,A=this.m_drawScale;w.beginPath();w.strokeStyle=this._color(y.color,this.m_alpha);w.fillStyle=this._color(y.color,this.m_fillAlpha);w.moveTo(G[0].x*A,G[0].y*A);for(y=
-1;y<K;y++)w.lineTo(G[y].x*A,G[y].y*A);w.lineTo(G[0].x*A,G[0].y*A);w.closePath();w.fill();w.stroke()}};F.prototype.DrawCircle=function(G,K,y){if(K){var w=this.m_ctx,A=this.m_drawScale;w.beginPath();w.strokeStyle=this._color(y.color,this.m_alpha);w.arc(G.x*A,G.y*A,K*A,0,Math.PI*2,true);w.closePath();w.stroke()}};F.prototype.DrawSolidCircle=function(G,K,y,w){if(K){var A=this.m_ctx,U=this.m_drawScale,p=G.x*U,B=G.y*U;A.moveTo(0,0);A.beginPath();A.strokeStyle=this._color(w.color,this.m_alpha);A.fillStyle=
-this._color(w.color,this.m_fillAlpha);A.arc(p,B,K*U,0,Math.PI*2,true);A.moveTo(p,B);A.lineTo((G.x+y.x*K)*U,(G.y+y.y*K)*U);A.closePath();A.fill();A.stroke()}};F.prototype.DrawSegment=function(G,K,y){var w=this.m_ctx,A=this.m_drawScale;w.strokeStyle=this._color(y.color,this.m_alpha);w.beginPath();w.moveTo(G.x*A,G.y*A);w.lineTo(K.x*A,K.y*A);w.closePath();w.stroke()};F.prototype.DrawTransform=function(G){var K=this.m_ctx,y=this.m_drawScale;K.beginPath();K.strokeStyle=this._color(16711680,this.m_alpha);
-K.moveTo(G.position.x*y,G.position.y*y);K.lineTo((G.position.x+this.m_xformScale*G.R.col1.x)*y,(G.position.y+this.m_xformScale*G.R.col1.y)*y);K.strokeStyle=this._color(65280,this.m_alpha);K.moveTo(G.position.x*y,G.position.y*y);K.lineTo((G.position.x+this.m_xformScale*G.R.col2.x)*y,(G.position.y+this.m_xformScale*G.R.col2.y)*y);K.closePath();K.stroke()}})();var i;for(i=0;i<Box2D.postDefs.length;++i)Box2D.postDefs[i]();delete Box2D.postDefs;
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/lib/StreamPlayer/css/streamPlayer.css
--- a/integ/js/vs/lib/StreamPlayer/css/streamPlayer.css	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,44 +0,0 @@
-.command {
-	font-size: 1em;
-	color: transparent; /* Fix for Firefox */
-	/* border-style: none; */
-	/* border-width: 0; */
-	padding: 0 0 0 16px !important; /* Fix for Internet Explorer */
-	text-align: left;
-	width: 26px;
-	height: 26px;
-	line-height: 1 !important;
-	background-image: url(../img/controls.png);
-	overflow: hidden;
-	cursor: pointer;
-}
-.play {
-	background-position: -48px 0px;
-}
-.pause {
-	background-position: -48px -24px;
-}
-.stop {
-	background-position: -72px 0px;
-}
-.fb {
-	background-position: 0px 0px;
-}
-.ff {
-	background-position: -120px 0px;
-}
-.prev {
-	background-position: -24px 0px;
-}
-.next {
-	background-position: -96px 0px;
-}
-.soundon {
-	background-position: -144px 0px;
-}
-.soundoff {
-	background-position: -144px -24px;
-}
-.disabled {
-	opacity:0.5;
-}
\ No newline at end of file
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/lib/StreamPlayer/img/controls.png
Binary file integ/js/vs/lib/StreamPlayer/img/controls.png has changed
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/lib/StreamPlayer/streamPlayer.js
--- a/integ/js/vs/lib/StreamPlayer/streamPlayer.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,230 +0,0 @@
-/**
- * StreamPlayer 0.12
- * Romain Vuillemot
- */
-var StreamPlayer = function(player, options) {
-	if(typeof(player) == 'string')
-		player = document.getElementById(player);
-
-	if(!player)
-		return;
-
-	var handle = player.getElementsByTagName('div')[0];
-	this.init(player, handle, options || {});
-	this.setup();
-};
-
-StreamPlayer.prototype.init = function(player, handle, options) {
-	this.callback = options.callback || null;	
-	this.displayUpdate = options.displayUpdate || null;
-	this.playCallback = options.playCallback || null;
-	this.pauseCallback = options.pauseCallback || null;
-	this.stopCallback = options.stopCallback || null;
-	this.updateCallback = options.updateCallback || null;	
-	this.nextCallback = options.nextCallback || null;		
-	this.previousCallback = options.previousCallback || null;		
-	this.ffCallback = options.ffCallback || null;
-	this.fbCallback = options.fbCallback || null;		
-	this.soundCallback = options.soundCallback || null;
-
-	this.refreshCallback = options.refreshCallback || this.refreshCallback;
-	this.current_time = options.current_time || null;
-	
-	this.play_mode = options.play_mode || "DATA_BY_DATA"; // "DATA_BY_TIME_INTERVAL"
-	this.read_frequency = options.read_frequency || 1000; // "DATA_BY_TIME_INTERVAL"
-	this.data_interval = options.data_interval || 1000; // "DATA_BY_TIME_INTERVAL"
-
-	this.player = player;
-	this.handle = handle;
-	this.options = options;
-	
-	this.refreshIntervalId = null;
-	this.buffer_count = 0;
-	this.buffered_data = [];
-	this.current_value = null;
-	
-	this.auto_start = this.getOption('auto_start', true);
-	this.is_playing = this.auto_start;
-
-	this.is_buffering = this.getOption('is_buffering', false);
-	this.current_speed = this.getOption('current_speed', 1000);	
-	this.buffered_pause = true;	
-	
-	this.addListeners();
-
-	this.min_speed = options.min_speed || 4000;
-	this.max_speed = options.max_speed || 100;
-
-	this.min_time = options.min_time || 0;
-	this.max_time = options.max_time || -1;
-
-	self = this;
-}
-
-StreamPlayer.prototype.addListeners = function() {
-
-	this.player.onclick = function(e) {
-		if(e.target.className.search(/(^|\s)stop(\s|$)/) != -1 && typeof(self.stopCallback) == 'function') {
-			self.stopCallback(self);
-			self.update();
-		} else if(e.target.className.search(/(^|\s)play(\s|$)/) != -1 && typeof(self.playCallback) == 'function') {
-			self.playCallback(self);
-			e.target.className = e.target.className.replace(/\s?play/g, '');
-			e.target.className += " pause";
-			self.is_buffering = false;
-			self.is_playing = !self.is_playing;
-			self.refreshIntervalId = setInterval(function () {
-				self.updateCallback(self)
-				self.update();
-			}, self.current_speed);
-		} else if(e.target.className.search(/(^|\s)pause(\s|$)/) != -1 && typeof(self.pauseCallback) == 'function') {
-			self.pauseCallback();
-			e.target.className = e.target.className.replace(/\s?pause/g, '');
-			e.target.className += " play";
-			clearInterval(self.refreshIntervalId);
-			self.is_playing = !self.is_playing;
-			self.update();
-		} else if(e.target.className.search(/(^|\s)next(\s|$)/) != -1 && typeof(self.nextCallback) == 'function') {
-			self.nextCallback(self);
-			self.update();
-		} else if(e.target.className.search(/(^|\s)prev(\s|$)/) != -1 && typeof(self.previousCallback) == 'function') {
-			self.previousCallback(self);
-			self.update();
-		} else if(e.target.className.search(/(^|\s)ff(\s|$)/) != -1 && typeof(self.ffCallback) == 'function') {
-			if(self.current_speed>self.max_speed) {
-
-				if(self.play_mode=="DATA_BY_DATA")
-					self.current_speed = self.current_speed/2 > self.max_speed ? self.current_speed/2 : self.max_speed;
-
-				if(self.is_playing) {
-					clearInterval(self.refreshIntervalId);
-					self.refreshIntervalId = setInterval(function () {
-						self.updateCallback(self);
-						self.update();
-					}, self.current_speed);
-				}
-
-				e.target.className.replace(/\s?disabled/g, '');
-				self.ffCallback();
-				document.getElementsByClassName("fb")[0].className = document.getElementsByClassName("fb")[0].className.replace(/\s?disabled/g, '');
-				document.getElementsByClassName("fb")[0].disabled = false;
-			}
-			if(self.current_speed<=self.max_speed) {
-				if(e.target.className.search(/(^|\s)disabled(\s|$)/) == -1) {
-					e.target.className += " disabled";
-					e.target.disabled = true;
-				}
-			}
-		} else if(e.target.className.search(/(^|\s)fb(\s|$)/) != -1 && typeof(self.fbCallback) == 'function') {
-			
-			if(self.current_speed<self.min_speed) {
-
-				self.current_speed = self.current_speed*2 < self.min_speed ? self.current_speed*2 : self.min_speed;
-
-				if(self.is_playing) {
-					clearInterval(self.refreshIntervalId);
-					self.refreshIntervalId = setInterval(function () {
-						self.updateCallback(self);
-						self.update();
-						return ;
-					}, self.current_speed);
-				}
-				e.target.className.replace(/\s?disabled/g, '');
-				self.fbCallback();
-				document.getElementsByClassName("ff")[0].className = document.getElementsByClassName("ff")[0].className.replace(/\s?disabled/g, '');
-				document.getElementsByClassName("ff")[0].disabled = false;
-			} 
-
-			if(self.current_speed==self.min_speed) {
-				if(e.target.className.search(/(^|\s)disabled(\s|$)/) == -1) {
-					e.target.className += " disabled";
-					e.target.disabled = true;
-				}
-			}
-		} else if(e.target.className.search(/(^|\s)soundon(\s|$)/) != -1 && typeof(self.soundCallback) == 'function') {
-			e.target.className = e.target.className.replace(/\s?soundon/g, '');
-			e.target.className += " soundoff";
-			self.soundCallback(false);
-		} else if(e.target.className.search(/(^|\s)soundoff(\s|$)/) != -1 && typeof(self.pauseCallback) == 'function') {
-			e.target.className = e.target.className.replace(/\s?soundoff/g, '');
-			e.target.className += " soundon";
-			self.soundCallback(true);
-			self.update();
-		}
-		self.refreshCallback(self);
-	}
-}
-
-StreamPlayer.prototype.setup = function() {
-	this.addListeners();
-	this.update();
-	if((self.current_speed==self.min_speed) && document.getElementsByClassName("fb").length > 1 && document.getElementsByClassName("fb")[0].className.search(/(^|\s)disabled(\s|$)/) == -1) {
-		document.getElementsByClassName("fb")[0].className += " disabled";
-		document.getElementsByClassName("fb")[0].disabled = false;
-	}
-	if((self.current_speed==self.min_speed) && document.getElementsByClassName("fb").length > 1 && document.getElementsByClassName("fb")[0].className.search(/(^|\s)disabled(\s|$)/) == -1) {
-		document.getElementsByClassName("fb")[0].className += " disabled";
-		document.getElementsByClassName("fb")[0].disabled = false;
-	}
-	if(typeof(self.current_time) == 'function' && self.current_time()==0) {
-		if(document.getElementsByClassName("prev").length>0 && document.getElementsByClassName("prev")[0].className.search(/(^|\s)disabled(\s|$)/) == -1) {
-			document.getElementsByClassName("prev")[0].className += " disabled";
-			document.getElementsByClassName("prev")[0].disabled = true;
-		}
-	} else {
-		if(document.getElementsByClassName("prev").length>0 && document.getElementsByClassName("prev")[0].className.search(/(^|\s)disabled(\s|$)/) == 1) {
-			document.getElementsByClassName("prev")[0].className.replace(/\s?disabled/g, '');
-			document.getElementsByClassName("prev")[0].disabled = false;
-		}
-	}
-}
-
-StreamPlayer.prototype.getOption = function(name, defaultValue) {
-	return this.options[name] !== undefined ? this.options[name] : defaultValue;
-}
-
-StreamPlayer.prototype.update = function() {
-	if(self.auto_start && typeof(self.updateCallback) == 'function' && self.refreshIntervalId==null) {
-		self.refreshIntervalId = setInterval(function () {
-			self.updateCallback(self);
-			self.update();
-			return ;
-		}, self.current_speed);
-	}
-	if(typeof(self.current_time) == 'function' && self.current_time()==self.min_time) {
-		if(document.getElementsByClassName("prev").length>0 && document.getElementsByClassName("prev")[0].className.search(/(^|\s)disabled(\s|$)/) == -1) {
-			document.getElementsByClassName("prev")[0].className += " disabled";
-			document.getElementsByClassName("prev")[0].disabled = true;
-		}
-	} else {
-		if(document.getElementsByClassName("prev").length>0 && document.getElementsByClassName("prev")[0].className.search(/(^|\s)disabled(\s|$)/)>0) {
-			document.getElementsByClassName("prev")[0].className = document.getElementsByClassName("prev")[0].className.replace(/\s?disabled/g, '');
-			document.getElementsByClassName("prev")[0].disabled = false;
-		}
-	}
-	if(typeof(self.current_time) == 'function' && self.current_time()==self.max_time) {
-		if(document.getElementsByClassName("next").length>0 && document.getElementsByClassName("next")[0].className.search(/(^|\s)disabled(\s|$)/) == -1) {
-			document.getElementsByClassName("next")[0].className += " disabled";
-			document.getElementsByClassName("next")[0].disabled = true;
-		}
-		if(self.is_playing) {
-			self.pauseCallback();
-			var el = document.getElementsByClassName("pause")[0];
-			el.className = el.className.replace(/\s?pause/g, '');
-			el.className += " play";
-			clearInterval(self.refreshIntervalId);
-			self.is_playing = !self.is_playing;
-			self.update();
-		}
-	} else {
-		if(document.getElementsByClassName("next").length>0 && document.getElementsByClassName("next")[0].className.search(/(^|\s)disabled(\s|$)/)>0) {
-			document.getElementsByClassName("next")[0].className = document.getElementsByClassName("next")[0].className.replace(/\s?disabled/g, '');
-			document.getElementsByClassName("next")[0].disabled = false;
-		}
-	}
-	self.refreshCallback(self);
-}
-
-StreamPlayer.prototype.refreshCallback = function() {
-	return;
-}
\ No newline at end of file
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/lib/bootstrap/css/bootstrap-responsive.css
--- a/integ/js/vs/lib/bootstrap/css/bootstrap-responsive.css	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,1109 +0,0 @@
-/*!
- * Bootstrap Responsive v2.3.0
- *
- * Copyright 2012 Twitter, Inc
- * Licensed under the Apache License v2.0
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Designed and built with all the love in the world @twitter by @mdo and @fat.
- */
-
-.clearfix {
-  *zoom: 1;
-}
-
-.clearfix:before,
-.clearfix:after {
-  display: table;
-  line-height: 0;
-  content: "";
-}
-
-.clearfix:after {
-  clear: both;
-}
-
-.hide-text {
-  font: 0/0 a;
-  color: transparent;
-  text-shadow: none;
-  background-color: transparent;
-  border: 0;
-}
-
-.input-block-level {
-  display: block;
-  width: 100%;
-  min-height: 30px;
-  -webkit-box-sizing: border-box;
-     -moz-box-sizing: border-box;
-          box-sizing: border-box;
-}
-
-@-ms-viewport {
-  width: device-width;
-}
-
-.hidden {
-  display: none;
-  visibility: hidden;
-}
-
-.visible-phone {
-  display: none !important;
-}
-
-.visible-tablet {
-  display: none !important;
-}
-
-.hidden-desktop {
-  display: none !important;
-}
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-.visible-desktop {
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-  input[class*="span"],
-  select[class*="span"],
-  textarea[class*="span"],
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-    display: block;
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-    display: inline-block;
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-    margin-left: 0;
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-  .modal {
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-    top: 20px;
-    right: 20px;
-    left: 20px;
-    width: auto;
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-  .modal.fade {
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-@media (max-width: 480px) {
-  .nav-collapse {
-    -webkit-transform: translate3d(0, 0, 0);
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-  .page-header h1 small {
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-    line-height: 20px;
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-    width: auto;
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-    text-align: left;
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-  .form-horizontal .controls {
-    margin-left: 0;
-  }
-  .form-horizontal .control-list {
-    padding-top: 0;
-  }
-  .form-horizontal .form-actions {
-    padding-right: 10px;
-    padding-left: 10px;
-  }
-  .media .pull-left,
-  .media .pull-right {
-    display: block;
-    float: none;
-    margin-bottom: 10px;
-  }
-  .media-object {
-    margin-right: 0;
-    margin-left: 0;
-  }
-  .modal {
-    top: 10px;
-    right: 10px;
-    left: 10px;
-  }
-  .modal-header .close {
-    padding: 10px;
-    margin: -10px;
-  }
-  .carousel-caption {
-    position: static;
-  }
-}
-
-@media (max-width: 979px) {
-  body {
-    padding-top: 0;
-  }
-  .navbar-fixed-top,
-  .navbar-fixed-bottom {
-    position: static;
-  }
-  .navbar-fixed-top {
-    margin-bottom: 20px;
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-  .navbar-fixed-bottom {
-    margin-top: 20px;
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-    width: auto;
-    padding: 0;
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-  .navbar .brand {
-    padding-right: 10px;
-    padding-left: 10px;
-    margin: 0 0 0 -5px;
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-    clear: both;
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-    margin: 0 0 10px;
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-    float: none;
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-    margin-bottom: 2px;
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-    display: none;
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-  .nav-collapse .nav .nav-header {
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-    text-shadow: none;
-  }
-  .nav-collapse .nav > li > a,
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-    padding: 9px 15px;
-    font-weight: bold;
-    color: #777777;
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-    padding: 4px 10px 4px;
-    font-weight: normal;
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-       -moz-border-radius: 4px;
-            border-radius: 4px;
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-  .nav-collapse .dropdown-menu li + li a {
-    margin-bottom: 2px;
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-    margin-top: 5px;
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-  .nav-collapse .dropdown-menu {
-    position: static;
-    top: auto;
-    left: auto;
-    display: none;
-    float: none;
-    max-width: none;
-    padding: 0;
-    margin: 0 15px;
-    background-color: transparent;
-    border: none;
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-            border-radius: 0;
-    -webkit-box-shadow: none;
-       -moz-box-shadow: none;
-            box-shadow: none;
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-  .nav-collapse .open > .dropdown-menu {
-    display: block;
-  }
-  .nav-collapse .dropdown-menu:before,
-  .nav-collapse .dropdown-menu:after {
-    display: none;
-  }
-  .nav-collapse .dropdown-menu .divider {
-    display: none;
-  }
-  .nav-collapse .nav > li > .dropdown-menu:before,
-  .nav-collapse .nav > li > .dropdown-menu:after {
-    display: none;
-  }
-  .nav-collapse .navbar-form,
-  .nav-collapse .navbar-search {
-    float: none;
-    padding: 10px 15px;
-    margin: 10px 0;
-    border-top: 1px solid #f2f2f2;
-    border-bottom: 1px solid #f2f2f2;
-    -webkit-box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 1px 0 rgba(255, 255, 255, 0.1);
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-            box-shadow: inset 0 1px 0 rgba(255, 255, 255, 0.1), 0 1px 0 rgba(255, 255, 255, 0.1);
-  }
-  .navbar-inverse .nav-collapse .navbar-form,
-  .navbar-inverse .nav-collapse .navbar-search {
-    border-top-color: #111111;
-    border-bottom-color: #111111;
-  }
-  .navbar .nav-collapse .nav.pull-right {
-    float: none;
-    margin-left: 0;
-  }
-  .nav-collapse,
-  .nav-collapse.collapse {
-    height: 0;
-    overflow: hidden;
-  }
-  .navbar .btn-navbar {
-    display: block;
-  }
-  .navbar-static .navbar-inner {
-    padding-right: 10px;
-    padding-left: 10px;
-  }
-}
-
-@media (min-width: 980px) {
-  .nav-collapse.collapse {
-    height: auto !important;
-    overflow: visible !important;
-  }
-}
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/lib/bootstrap/css/bootstrap-responsive.min.css
--- a/integ/js/vs/lib/bootstrap/css/bootstrap-responsive.min.css	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,9 +0,0 @@
-/*!
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- *
- * Copyright 2012 Twitter, Inc
- * Licensed under the Apache License v2.0
- * http://www.apache.org/licenses/LICENSE-2.0
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diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/lib/bootstrap/css/bootstrap.css
--- a/integ/js/vs/lib/bootstrap/css/bootstrap.css	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,6158 +0,0 @@
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diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/lib/bootstrap/css/bootstrap.min.css
--- a/integ/js/vs/lib/bootstrap/css/bootstrap.min.css	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,9 +0,0 @@
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25%,transparent 50%,rgba(255,255,255,0.15) 50%,rgba(255,255,255,0.15) 75%,transparent 75%,transparent);background-image:linear-gradient(45deg,rgba(255,255,255,0.15) 25%,transparent 25%,transparent 50%,rgba(255,255,255,0.15) 50%,rgba(255,255,255,0.15) 75%,transparent 75%,transparent)}.accordion{margin-bottom:20px}.accordion-group{margin-bottom:2px;border:1px solid #e5e5e5;-webkit-border-radius:4px;-moz-border-radius:4px;border-radius:4px}.accordion-heading{border-bottom:0}.accordion-heading .accordion-toggle{display:block;padding:8px 15px}.accordion-toggle{cursor:pointer}.accordion-inner{padding:9px 15px;border-top:1px solid #e5e5e5}.carousel{position:relative;margin-bottom:20px;line-height:1}.carousel-inner{position:relative;width:100%;overflow:hidden}.carousel-inner>.item{position:relative;display:none;-webkit-transition:.6s ease-in-out left;-moz-transition:.6s ease-in-out left;-o-transition:.6s ease-in-out left;transition:.6s ease-in-out left}.carousel-inner>.item>img,.carousel-inner>.item>a>img{display:block;line-height:1}.carousel-inner>.active,.carousel-inner>.next,.carousel-inner>.prev{display:block}.carousel-inner>.active{left:0}.carousel-inner>.next,.carousel-inner>.prev{position:absolute;top:0;width:100%}.carousel-inner>.next{left:100%}.carousel-inner>.prev{left:-100%}.carousel-inner>.next.left,.carousel-inner>.prev.right{left:0}.carousel-inner>.active.left{left:-100%}.carousel-inner>.active.right{left:100%}.carousel-control{position:absolute;top:40%;left:15px;width:40px;height:40px;margin-top:-20px;font-size:60px;font-weight:100;line-height:30px;color:#fff;text-align:center;background:#222;border:3px solid #fff;-webkit-border-radius:23px;-moz-border-radius:23px;border-radius:23px;opacity:.5;filter:alpha(opacity=50)}.carousel-control.right{right:15px;left:auto}.carousel-control:hover,.carousel-control:focus{color:#fff;text-decoration:none;opacity:.9;filter:alpha(opacity=90)}.carousel-indicators{position:absolute;top:15px;right:15px;z-index:5;margin:0;list-style:none}.carousel-indicators li{display:block;float:left;width:10px;height:10px;margin-left:5px;text-indent:-999px;background-color:#ccc;background-color:rgba(255,255,255,0.25);border-radius:5px}.carousel-indicators .active{background-color:#fff}.carousel-caption{position:absolute;right:0;bottom:0;left:0;padding:15px;background:#333;background:rgba(0,0,0,0.75)}.carousel-caption h4,.carousel-caption p{line-height:20px;color:#fff}.carousel-caption h4{margin:0 0 5px}.carousel-caption p{margin-bottom:0}.hero-unit{padding:60px;margin-bottom:30px;font-size:18px;font-weight:200;line-height:30px;color:inherit;background-color:#eee;-webkit-border-radius:6px;-moz-border-radius:6px;border-radius:6px}.hero-unit h1{margin-bottom:0;font-size:60px;line-height:1;letter-spacing:-1px;color:inherit}.hero-unit li{line-height:30px}.pull-right{float:right}.pull-left{float:left}.hide{display:none}.show{display:block}.invisible{visibility:hidden}.affix{position:fixed}
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/lib/bootstrap/img/glyphicons-halflings-white.png
Binary file integ/js/vs/lib/bootstrap/img/glyphicons-halflings-white.png has changed
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/lib/bootstrap/img/glyphicons-halflings.png
Binary file integ/js/vs/lib/bootstrap/img/glyphicons-halflings.png has changed
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/lib/bootstrap/js/bootstrap.js
--- a/integ/js/vs/lib/bootstrap/js/bootstrap.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,2268 +0,0 @@
-/* ===================================================
- * bootstrap-transition.js v2.3.0
- * http://twitter.github.com/bootstrap/javascript.html#transitions
- * ===================================================
- * Copyright 2012 Twitter, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ========================================================== */
-
-
-!function ($) {
-
-  "use strict"; // jshint ;_;
-
-
-  /* CSS TRANSITION SUPPORT (http://www.modernizr.com/)
-   * ======================================================= */
-
-  $(function () {
-
-    $.support.transition = (function () {
-
-      var transitionEnd = (function () {
-
-        var el = document.createElement('bootstrap')
-          , transEndEventNames = {
-               'WebkitTransition' : 'webkitTransitionEnd'
-            ,  'MozTransition'    : 'transitionend'
-            ,  'OTransition'      : 'oTransitionEnd otransitionend'
-            ,  'transition'       : 'transitionend'
-            }
-          , name
-
-        for (name in transEndEventNames){
-          if (el.style[name] !== undefined) {
-            return transEndEventNames[name]
-          }
-        }
-
-      }())
-
-      return transitionEnd && {
-        end: transitionEnd
-      }
-
-    })()
-
-  })
-
-}(window.jQuery);/* ==========================================================
- * bootstrap-alert.js v2.3.0
- * http://twitter.github.com/bootstrap/javascript.html#alerts
- * ==========================================================
- * Copyright 2012 Twitter, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ========================================================== */
-
-
-!function ($) {
-
-  "use strict"; // jshint ;_;
-
-
- /* ALERT CLASS DEFINITION
-  * ====================== */
-
-  var dismiss = '[data-dismiss="alert"]'
-    , Alert = function (el) {
-        $(el).on('click', dismiss, this.close)
-      }
-
-  Alert.prototype.close = function (e) {
-    var $this = $(this)
-      , selector = $this.attr('data-target')
-      , $parent
-
-    if (!selector) {
-      selector = $this.attr('href')
-      selector = selector && selector.replace(/.*(?=#[^\s]*$)/, '') //strip for ie7
-    }
-
-    $parent = $(selector)
-
-    e && e.preventDefault()
-
-    $parent.length || ($parent = $this.hasClass('alert') ? $this : $this.parent())
-
-    $parent.trigger(e = $.Event('close'))
-
-    if (e.isDefaultPrevented()) return
-
-    $parent.removeClass('in')
-
-    function removeElement() {
-      $parent
-        .trigger('closed')
-        .remove()
-    }
-
-    $.support.transition && $parent.hasClass('fade') ?
-      $parent.on($.support.transition.end, removeElement) :
-      removeElement()
-  }
-
-
- /* ALERT PLUGIN DEFINITION
-  * ======================= */
-
-  var old = $.fn.alert
-
-  $.fn.alert = function (option) {
-    return this.each(function () {
-      var $this = $(this)
-        , data = $this.data('alert')
-      if (!data) $this.data('alert', (data = new Alert(this)))
-      if (typeof option == 'string') data[option].call($this)
-    })
-  }
-
-  $.fn.alert.Constructor = Alert
-
-
- /* ALERT NO CONFLICT
-  * ================= */
-
-  $.fn.alert.noConflict = function () {
-    $.fn.alert = old
-    return this
-  }
-
-
- /* ALERT DATA-API
-  * ============== */
-
-  $(document).on('click.alert.data-api', dismiss, Alert.prototype.close)
-
-}(window.jQuery);/* ============================================================
- * bootstrap-button.js v2.3.0
- * http://twitter.github.com/bootstrap/javascript.html#buttons
- * ============================================================
- * Copyright 2012 Twitter, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============================================================ */
-
-
-!function ($) {
-
-  "use strict"; // jshint ;_;
-
-
- /* BUTTON PUBLIC CLASS DEFINITION
-  * ============================== */
-
-  var Button = function (element, options) {
-    this.$element = $(element)
-    this.options = $.extend({}, $.fn.button.defaults, options)
-  }
-
-  Button.prototype.setState = function (state) {
-    var d = 'disabled'
-      , $el = this.$element
-      , data = $el.data()
-      , val = $el.is('input') ? 'val' : 'html'
-
-    state = state + 'Text'
-    data.resetText || $el.data('resetText', $el[val]())
-
-    $el[val](data[state] || this.options[state])
-
-    // push to event loop to allow forms to submit
-    setTimeout(function () {
-      state == 'loadingText' ?
-        $el.addClass(d).attr(d, d) :
-        $el.removeClass(d).removeAttr(d)
-    }, 0)
-  }
-
-  Button.prototype.toggle = function () {
-    var $parent = this.$element.closest('[data-toggle="buttons-radio"]')
-
-    $parent && $parent
-      .find('.active')
-      .removeClass('active')
-
-    this.$element.toggleClass('active')
-  }
-
-
- /* BUTTON PLUGIN DEFINITION
-  * ======================== */
-
-  var old = $.fn.button
-
-  $.fn.button = function (option) {
-    return this.each(function () {
-      var $this = $(this)
-        , data = $this.data('button')
-        , options = typeof option == 'object' && option
-      if (!data) $this.data('button', (data = new Button(this, options)))
-      if (option == 'toggle') data.toggle()
-      else if (option) data.setState(option)
-    })
-  }
-
-  $.fn.button.defaults = {
-    loadingText: 'loading...'
-  }
-
-  $.fn.button.Constructor = Button
-
-
- /* BUTTON NO CONFLICT
-  * ================== */
-
-  $.fn.button.noConflict = function () {
-    $.fn.button = old
-    return this
-  }
-
-
- /* BUTTON DATA-API
-  * =============== */
-
-  $(document).on('click.button.data-api', '[data-toggle^=button]', function (e) {
-    var $btn = $(e.target)
-    if (!$btn.hasClass('btn')) $btn = $btn.closest('.btn')
-    $btn.button('toggle')
-  })
-
-}(window.jQuery);/* ==========================================================
- * bootstrap-carousel.js v2.3.0
- * http://twitter.github.com/bootstrap/javascript.html#carousel
- * ==========================================================
- * Copyright 2012 Twitter, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ========================================================== */
-
-
-!function ($) {
-
-  "use strict"; // jshint ;_;
-
-
- /* CAROUSEL CLASS DEFINITION
-  * ========================= */
-
-  var Carousel = function (element, options) {
-    this.$element = $(element)
-    this.$indicators = this.$element.find('.carousel-indicators')
-    this.options = options
-    this.options.pause == 'hover' && this.$element
-      .on('mouseenter', $.proxy(this.pause, this))
-      .on('mouseleave', $.proxy(this.cycle, this))
-  }
-
-  Carousel.prototype = {
-
-    cycle: function (e) {
-      if (!e) this.paused = false
-      if (this.interval) clearInterval(this.interval);
-      this.options.interval
-        && !this.paused
-        && (this.interval = setInterval($.proxy(this.next, this), this.options.interval))
-      return this
-    }
-
-  , getActiveIndex: function () {
-      this.$active = this.$element.find('.item.active')
-      this.$items = this.$active.parent().children()
-      return this.$items.index(this.$active)
-    }
-
-  , to: function (pos) {
-      var activeIndex = this.getActiveIndex()
-        , that = this
-
-      if (pos > (this.$items.length - 1) || pos < 0) return
-
-      if (this.sliding) {
-        return this.$element.one('slid', function () {
-          that.to(pos)
-        })
-      }
-
-      if (activeIndex == pos) {
-        return this.pause().cycle()
-      }
-
-      return this.slide(pos > activeIndex ? 'next' : 'prev', $(this.$items[pos]))
-    }
-
-  , pause: function (e) {
-      if (!e) this.paused = true
-      if (this.$element.find('.next, .prev').length && $.support.transition.end) {
-        this.$element.trigger($.support.transition.end)
-        this.cycle()
-      }
-      clearInterval(this.interval)
-      this.interval = null
-      return this
-    }
-
-  , next: function () {
-      if (this.sliding) return
-      return this.slide('next')
-    }
-
-  , prev: function () {
-      if (this.sliding) return
-      return this.slide('prev')
-    }
-
-  , slide: function (type, next) {
-      var $active = this.$element.find('.item.active')
-        , $next = next || $active[type]()
-        , isCycling = this.interval
-        , direction = type == 'next' ? 'left' : 'right'
-        , fallback  = type == 'next' ? 'first' : 'last'
-        , that = this
-        , e
-
-      this.sliding = true
-
-      isCycling && this.pause()
-
-      $next = $next.length ? $next : this.$element.find('.item')[fallback]()
-
-      e = $.Event('slide', {
-        relatedTarget: $next[0]
-      , direction: direction
-      })
-
-      if ($next.hasClass('active')) return
-
-      if (this.$indicators.length) {
-        this.$indicators.find('.active').removeClass('active')
-        this.$element.one('slid', function () {
-          var $nextIndicator = $(that.$indicators.children()[that.getActiveIndex()])
-          $nextIndicator && $nextIndicator.addClass('active')
-        })
-      }
-
-      if ($.support.transition && this.$element.hasClass('slide')) {
-        this.$element.trigger(e)
-        if (e.isDefaultPrevented()) return
-        $next.addClass(type)
-        $next[0].offsetWidth // force reflow
-        $active.addClass(direction)
-        $next.addClass(direction)
-        this.$element.one($.support.transition.end, function () {
-          $next.removeClass([type, direction].join(' ')).addClass('active')
-          $active.removeClass(['active', direction].join(' '))
-          that.sliding = false
-          setTimeout(function () { that.$element.trigger('slid') }, 0)
-        })
-      } else {
-        this.$element.trigger(e)
-        if (e.isDefaultPrevented()) return
-        $active.removeClass('active')
-        $next.addClass('active')
-        this.sliding = false
-        this.$element.trigger('slid')
-      }
-
-      isCycling && this.cycle()
-
-      return this
-    }
-
-  }
-
-
- /* CAROUSEL PLUGIN DEFINITION
-  * ========================== */
-
-  var old = $.fn.carousel
-
-  $.fn.carousel = function (option) {
-    return this.each(function () {
-      var $this = $(this)
-        , data = $this.data('carousel')
-        , options = $.extend({}, $.fn.carousel.defaults, typeof option == 'object' && option)
-        , action = typeof option == 'string' ? option : options.slide
-      if (!data) $this.data('carousel', (data = new Carousel(this, options)))
-      if (typeof option == 'number') data.to(option)
-      else if (action) data[action]()
-      else if (options.interval) data.pause().cycle()
-    })
-  }
-
-  $.fn.carousel.defaults = {
-    interval: 5000
-  , pause: 'hover'
-  }
-
-  $.fn.carousel.Constructor = Carousel
-
-
- /* CAROUSEL NO CONFLICT
-  * ==================== */
-
-  $.fn.carousel.noConflict = function () {
-    $.fn.carousel = old
-    return this
-  }
-
- /* CAROUSEL DATA-API
-  * ================= */
-
-  $(document).on('click.carousel.data-api', '[data-slide], [data-slide-to]', function (e) {
-    var $this = $(this), href
-      , $target = $($this.attr('data-target') || (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) //strip for ie7
-      , options = $.extend({}, $target.data(), $this.data())
-      , slideIndex
-
-    $target.carousel(options)
-
-    if (slideIndex = $this.attr('data-slide-to')) {
-      $target.data('carousel').pause().to(slideIndex).cycle()
-    }
-
-    e.preventDefault()
-  })
-
-}(window.jQuery);/* =============================================================
- * bootstrap-collapse.js v2.3.0
- * http://twitter.github.com/bootstrap/javascript.html#collapse
- * =============================================================
- * Copyright 2012 Twitter, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============================================================ */
-
-
-!function ($) {
-
-  "use strict"; // jshint ;_;
-
-
- /* COLLAPSE PUBLIC CLASS DEFINITION
-  * ================================ */
-
-  var Collapse = function (element, options) {
-    this.$element = $(element)
-    this.options = $.extend({}, $.fn.collapse.defaults, options)
-
-    if (this.options.parent) {
-      this.$parent = $(this.options.parent)
-    }
-
-    this.options.toggle && this.toggle()
-  }
-
-  Collapse.prototype = {
-
-    constructor: Collapse
-
-  , dimension: function () {
-      var hasWidth = this.$element.hasClass('width')
-      return hasWidth ? 'width' : 'height'
-    }
-
-  , show: function () {
-      var dimension
-        , scroll
-        , actives
-        , hasData
-
-      if (this.transitioning || this.$element.hasClass('in')) return
-
-      dimension = this.dimension()
-      scroll = $.camelCase(['scroll', dimension].join('-'))
-      actives = this.$parent && this.$parent.find('> .accordion-group > .in')
-
-      if (actives && actives.length) {
-        hasData = actives.data('collapse')
-        if (hasData && hasData.transitioning) return
-        actives.collapse('hide')
-        hasData || actives.data('collapse', null)
-      }
-
-      this.$element[dimension](0)
-      this.transition('addClass', $.Event('show'), 'shown')
-      $.support.transition && this.$element[dimension](this.$element[0][scroll])
-    }
-
-  , hide: function () {
-      var dimension
-      if (this.transitioning || !this.$element.hasClass('in')) return
-      dimension = this.dimension()
-      this.reset(this.$element[dimension]())
-      this.transition('removeClass', $.Event('hide'), 'hidden')
-      this.$element[dimension](0)
-    }
-
-  , reset: function (size) {
-      var dimension = this.dimension()
-
-      this.$element
-        .removeClass('collapse')
-        [dimension](size || 'auto')
-        [0].offsetWidth
-
-      this.$element[size !== null ? 'addClass' : 'removeClass']('collapse')
-
-      return this
-    }
-
-  , transition: function (method, startEvent, completeEvent) {
-      var that = this
-        , complete = function () {
-            if (startEvent.type == 'show') that.reset()
-            that.transitioning = 0
-            that.$element.trigger(completeEvent)
-          }
-
-      this.$element.trigger(startEvent)
-
-      if (startEvent.isDefaultPrevented()) return
-
-      this.transitioning = 1
-
-      this.$element[method]('in')
-
-      $.support.transition && this.$element.hasClass('collapse') ?
-        this.$element.one($.support.transition.end, complete) :
-        complete()
-    }
-
-  , toggle: function () {
-      this[this.$element.hasClass('in') ? 'hide' : 'show']()
-    }
-
-  }
-
-
- /* COLLAPSE PLUGIN DEFINITION
-  * ========================== */
-
-  var old = $.fn.collapse
-
-  $.fn.collapse = function (option) {
-    return this.each(function () {
-      var $this = $(this)
-        , data = $this.data('collapse')
-        , options = $.extend({}, $.fn.collapse.defaults, $this.data(), typeof option == 'object' && option)
-      if (!data) $this.data('collapse', (data = new Collapse(this, options)))
-      if (typeof option == 'string') data[option]()
-    })
-  }
-
-  $.fn.collapse.defaults = {
-    toggle: true
-  }
-
-  $.fn.collapse.Constructor = Collapse
-
-
- /* COLLAPSE NO CONFLICT
-  * ==================== */
-
-  $.fn.collapse.noConflict = function () {
-    $.fn.collapse = old
-    return this
-  }
-
-
- /* COLLAPSE DATA-API
-  * ================= */
-
-  $(document).on('click.collapse.data-api', '[data-toggle=collapse]', function (e) {
-    var $this = $(this), href
-      , target = $this.attr('data-target')
-        || e.preventDefault()
-        || (href = $this.attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '') //strip for ie7
-      , option = $(target).data('collapse') ? 'toggle' : $this.data()
-    $this[$(target).hasClass('in') ? 'addClass' : 'removeClass']('collapsed')
-    $(target).collapse(option)
-  })
-
-}(window.jQuery);/* ============================================================
- * bootstrap-dropdown.js v2.3.0
- * http://twitter.github.com/bootstrap/javascript.html#dropdowns
- * ============================================================
- * Copyright 2012 Twitter, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============================================================ */
-
-
-!function ($) {
-
-  "use strict"; // jshint ;_;
-
-
- /* DROPDOWN CLASS DEFINITION
-  * ========================= */
-
-  var toggle = '[data-toggle=dropdown]'
-    , Dropdown = function (element) {
-        var $el = $(element).on('click.dropdown.data-api', this.toggle)
-        $('html').on('click.dropdown.data-api', function () {
-          $el.parent().removeClass('open')
-        })
-      }
-
-  Dropdown.prototype = {
-
-    constructor: Dropdown
-
-  , toggle: function (e) {
-      var $this = $(this)
-        , $parent
-        , isActive
-
-      if ($this.is('.disabled, :disabled')) return
-
-      $parent = getParent($this)
-
-      isActive = $parent.hasClass('open')
-
-      clearMenus()
-
-      if (!isActive) {
-        $parent.toggleClass('open')
-      }
-
-      $this.focus()
-
-      return false
-    }
-
-  , keydown: function (e) {
-      var $this
-        , $items
-        , $active
-        , $parent
-        , isActive
-        , index
-
-      if (!/(38|40|27)/.test(e.keyCode)) return
-
-      $this = $(this)
-
-      e.preventDefault()
-      e.stopPropagation()
-
-      if ($this.is('.disabled, :disabled')) return
-
-      $parent = getParent($this)
-
-      isActive = $parent.hasClass('open')
-
-      if (!isActive || (isActive && e.keyCode == 27)) {
-        if (e.which == 27) $parent.find(toggle).focus()
-        return $this.click()
-      }
-
-      $items = $('[role=menu] li:not(.divider):visible a', $parent)
-
-      if (!$items.length) return
-
-      index = $items.index($items.filter(':focus'))
-
-      if (e.keyCode == 38 && index > 0) index--                                        // up
-      if (e.keyCode == 40 && index < $items.length - 1) index++                        // down
-      if (!~index) index = 0
-
-      $items
-        .eq(index)
-        .focus()
-    }
-
-  }
-
-  function clearMenus() {
-    $(toggle).each(function () {
-      getParent($(this)).removeClass('open')
-    })
-  }
-
-  function getParent($this) {
-    var selector = $this.attr('data-target')
-      , $parent
-
-    if (!selector) {
-      selector = $this.attr('href')
-      selector = selector && /#/.test(selector) && selector.replace(/.*(?=#[^\s]*$)/, '') //strip for ie7
-    }
-
-    $parent = selector && $(selector)
-
-    if (!$parent || !$parent.length) $parent = $this.parent()
-
-    return $parent
-  }
-
-
-  /* DROPDOWN PLUGIN DEFINITION
-   * ========================== */
-
-  var old = $.fn.dropdown
-
-  $.fn.dropdown = function (option) {
-    return this.each(function () {
-      var $this = $(this)
-        , data = $this.data('dropdown')
-      if (!data) $this.data('dropdown', (data = new Dropdown(this)))
-      if (typeof option == 'string') data[option].call($this)
-    })
-  }
-
-  $.fn.dropdown.Constructor = Dropdown
-
-
- /* DROPDOWN NO CONFLICT
-  * ==================== */
-
-  $.fn.dropdown.noConflict = function () {
-    $.fn.dropdown = old
-    return this
-  }
-
-
-  /* APPLY TO STANDARD DROPDOWN ELEMENTS
-   * =================================== */
-
-  $(document)
-    .on('click.dropdown.data-api', clearMenus)
-    .on('click.dropdown.data-api', '.dropdown form', function (e) { e.stopPropagation() })
-    .on('.dropdown-menu', function (e) { e.stopPropagation() })
-    .on('click.dropdown.data-api'  , toggle, Dropdown.prototype.toggle)
-    .on('keydown.dropdown.data-api', toggle + ', [role=menu]' , Dropdown.prototype.keydown)
-
-}(window.jQuery);
-/* =========================================================
- * bootstrap-modal.js v2.3.0
- * http://twitter.github.com/bootstrap/javascript.html#modals
- * =========================================================
- * Copyright 2012 Twitter, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ========================================================= */
-
-
-!function ($) {
-
-  "use strict"; // jshint ;_;
-
-
- /* MODAL CLASS DEFINITION
-  * ====================== */
-
-  var Modal = function (element, options) {
-    this.options = options
-    this.$element = $(element)
-      .delegate('[data-dismiss="modal"]', 'click.dismiss.modal', $.proxy(this.hide, this))
-    this.options.remote && this.$element.find('.modal-body').load(this.options.remote)
-  }
-
-  Modal.prototype = {
-
-      constructor: Modal
-
-    , toggle: function () {
-        return this[!this.isShown ? 'show' : 'hide']()
-      }
-
-    , show: function () {
-        var that = this
-          , e = $.Event('show')
-
-        this.$element.trigger(e)
-
-        if (this.isShown || e.isDefaultPrevented()) return
-
-        this.isShown = true
-
-        this.escape()
-
-        this.backdrop(function () {
-          var transition = $.support.transition && that.$element.hasClass('fade')
-
-          if (!that.$element.parent().length) {
-            that.$element.appendTo(document.body) //don't move modals dom position
-          }
-
-          that.$element.show()
-
-          if (transition) {
-            that.$element[0].offsetWidth // force reflow
-          }
-
-          that.$element
-            .addClass('in')
-            .attr('aria-hidden', false)
-
-          that.enforceFocus()
-
-          transition ?
-            that.$element.one($.support.transition.end, function () { that.$element.focus().trigger('shown') }) :
-            that.$element.focus().trigger('shown')
-
-        })
-      }
-
-    , hide: function (e) {
-        e && e.preventDefault()
-
-        var that = this
-
-        e = $.Event('hide')
-
-        this.$element.trigger(e)
-
-        if (!this.isShown || e.isDefaultPrevented()) return
-
-        this.isShown = false
-
-        this.escape()
-
-        $(document).off('focusin.modal')
-
-        this.$element
-          .removeClass('in')
-          .attr('aria-hidden', true)
-
-        $.support.transition && this.$element.hasClass('fade') ?
-          this.hideWithTransition() :
-          this.hideModal()
-      }
-
-    , enforceFocus: function () {
-        var that = this
-        $(document).on('focusin.modal', function (e) {
-          if (that.$element[0] !== e.target && !that.$element.has(e.target).length) {
-            that.$element.focus()
-          }
-        })
-      }
-
-    , escape: function () {
-        var that = this
-        if (this.isShown && this.options.keyboard) {
-          this.$element.on('keyup.dismiss.modal', function ( e ) {
-            e.which == 27 && that.hide()
-          })
-        } else if (!this.isShown) {
-          this.$element.off('keyup.dismiss.modal')
-        }
-      }
-
-    , hideWithTransition: function () {
-        var that = this
-          , timeout = setTimeout(function () {
-              that.$element.off($.support.transition.end)
-              that.hideModal()
-            }, 500)
-
-        this.$element.one($.support.transition.end, function () {
-          clearTimeout(timeout)
-          that.hideModal()
-        })
-      }
-
-    , hideModal: function () {
-        var that = this
-        this.$element.hide()
-        this.backdrop(function () {
-          that.removeBackdrop()
-          that.$element.trigger('hidden')
-        })
-      }
-
-    , removeBackdrop: function () {
-        this.$backdrop.remove()
-        this.$backdrop = null
-      }
-
-    , backdrop: function (callback) {
-        var that = this
-          , animate = this.$element.hasClass('fade') ? 'fade' : ''
-
-        if (this.isShown && this.options.backdrop) {
-          var doAnimate = $.support.transition && animate
-
-          this.$backdrop = $('<div class="modal-backdrop ' + animate + '" />')
-            .appendTo(document.body)
-
-          this.$backdrop.click(
-            this.options.backdrop == 'static' ?
-              $.proxy(this.$element[0].focus, this.$element[0])
-            : $.proxy(this.hide, this)
-          )
-
-          if (doAnimate) this.$backdrop[0].offsetWidth // force reflow
-
-          this.$backdrop.addClass('in')
-
-          if (!callback) return
-
-          doAnimate ?
-            this.$backdrop.one($.support.transition.end, callback) :
-            callback()
-
-        } else if (!this.isShown && this.$backdrop) {
-          this.$backdrop.removeClass('in')
-
-          $.support.transition && this.$element.hasClass('fade')?
-            this.$backdrop.one($.support.transition.end, callback) :
-            callback()
-
-        } else if (callback) {
-          callback()
-        }
-      }
-  }
-
-
- /* MODAL PLUGIN DEFINITION
-  * ======================= */
-
-  var old = $.fn.modal
-
-  $.fn.modal = function (option) {
-    return this.each(function () {
-      var $this = $(this)
-        , data = $this.data('modal')
-        , options = $.extend({}, $.fn.modal.defaults, $this.data(), typeof option == 'object' && option)
-      if (!data) $this.data('modal', (data = new Modal(this, options)))
-      if (typeof option == 'string') data[option]()
-      else if (options.show) data.show()
-    })
-  }
-
-  $.fn.modal.defaults = {
-      backdrop: true
-    , keyboard: true
-    , show: true
-  }
-
-  $.fn.modal.Constructor = Modal
-
-
- /* MODAL NO CONFLICT
-  * ================= */
-
-  $.fn.modal.noConflict = function () {
-    $.fn.modal = old
-    return this
-  }
-
-
- /* MODAL DATA-API
-  * ============== */
-
-  $(document).on('click.modal.data-api', '[data-toggle="modal"]', function (e) {
-    var $this = $(this)
-      , href = $this.attr('href')
-      , $target = $($this.attr('data-target') || (href && href.replace(/.*(?=#[^\s]+$)/, ''))) //strip for ie7
-      , option = $target.data('modal') ? 'toggle' : $.extend({ remote:!/#/.test(href) && href }, $target.data(), $this.data())
-
-    e.preventDefault()
-
-    $target
-      .modal(option)
-      .one('hide', function () {
-        $this.focus()
-      })
-  })
-
-}(window.jQuery);
-/* ===========================================================
- * bootstrap-tooltip.js v2.3.0
- * http://twitter.github.com/bootstrap/javascript.html#tooltips
- * Inspired by the original jQuery.tipsy by Jason Frame
- * ===========================================================
- * Copyright 2012 Twitter, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ========================================================== */
-
-
-!function ($) {
-
-  "use strict"; // jshint ;_;
-
-
- /* TOOLTIP PUBLIC CLASS DEFINITION
-  * =============================== */
-
-  var Tooltip = function (element, options) {
-    this.init('tooltip', element, options)
-  }
-
-  Tooltip.prototype = {
-
-    constructor: Tooltip
-
-  , init: function (type, element, options) {
-      var eventIn
-        , eventOut
-        , triggers
-        , trigger
-        , i
-
-      this.type = type
-      this.$element = $(element)
-      this.options = this.getOptions(options)
-      this.enabled = true
-
-      triggers = this.options.trigger.split(' ')
-
-      for (i = triggers.length; i--;) {
-        trigger = triggers[i]
-        if (trigger == 'click') {
-          this.$element.on('click.' + this.type, this.options.selector, $.proxy(this.toggle, this))
-        } else if (trigger != 'manual') {
-          eventIn = trigger == 'hover' ? 'mouseenter' : 'focus'
-          eventOut = trigger == 'hover' ? 'mouseleave' : 'blur'
-          this.$element.on(eventIn + '.' + this.type, this.options.selector, $.proxy(this.enter, this))
-          this.$element.on(eventOut + '.' + this.type, this.options.selector, $.proxy(this.leave, this))
-        }
-      }
-
-      this.options.selector ?
-        (this._options = $.extend({}, this.options, { trigger: 'manual', selector: '' })) :
-        this.fixTitle()
-    }
-
-  , getOptions: function (options) {
-      options = $.extend({}, $.fn[this.type].defaults, this.$element.data(), options)
-
-      if (options.delay && typeof options.delay == 'number') {
-        options.delay = {
-          show: options.delay
-        , hide: options.delay
-        }
-      }
-
-      return options
-    }
-
-  , enter: function (e) {
-      var self = $(e.currentTarget)[this.type](this._options).data(this.type)
-
-      if (!self.options.delay || !self.options.delay.show) return self.show()
-
-      clearTimeout(this.timeout)
-      self.hoverState = 'in'
-      this.timeout = setTimeout(function() {
-        if (self.hoverState == 'in') self.show()
-      }, self.options.delay.show)
-    }
-
-  , leave: function (e) {
-      var self = $(e.currentTarget)[this.type](this._options).data(this.type)
-
-      if (this.timeout) clearTimeout(this.timeout)
-      if (!self.options.delay || !self.options.delay.hide) return self.hide()
-
-      self.hoverState = 'out'
-      this.timeout = setTimeout(function() {
-        if (self.hoverState == 'out') self.hide()
-      }, self.options.delay.hide)
-    }
-
-  , show: function () {
-      var $tip
-        , pos
-        , actualWidth
-        , actualHeight
-        , placement
-        , tp
-        , e = $.Event('show')
-
-      if (this.hasContent() && this.enabled) {
-        this.$element.trigger(e)
-        if (e.isDefaultPrevented()) return
-        $tip = this.tip()
-        this.setContent()
-
-        if (this.options.animation) {
-          $tip.addClass('fade')
-        }
-
-        placement = typeof this.options.placement == 'function' ?
-          this.options.placement.call(this, $tip[0], this.$element[0]) :
-          this.options.placement
-
-        $tip
-          .detach()
-          .css({ top: 0, left: 0, display: 'block' })
-
-        this.options.container ? $tip.appendTo(this.options.container) : $tip.insertAfter(this.$element)
-
-        pos = this.getPosition()
-
-        actualWidth = $tip[0].offsetWidth
-        actualHeight = $tip[0].offsetHeight
-
-        switch (placement) {
-          case 'bottom':
-            tp = {top: pos.top + pos.height, left: pos.left + pos.width / 2 - actualWidth / 2}
-            break
-          case 'top':
-            tp = {top: pos.top - actualHeight, left: pos.left + pos.width / 2 - actualWidth / 2}
-            break
-          case 'left':
-            tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left - actualWidth}
-            break
-          case 'right':
-            tp = {top: pos.top + pos.height / 2 - actualHeight / 2, left: pos.left + pos.width}
-            break
-        }
-
-        this.applyPlacement(tp, placement)
-        this.$element.trigger('shown')
-      }
-    }
-
-  , applyPlacement: function(offset, placement){
-      var $tip = this.tip()
-        , width = $tip[0].offsetWidth
-        , height = $tip[0].offsetHeight
-        , actualWidth
-        , actualHeight
-        , delta
-        , replace
-
-      $tip
-        .offset(offset)
-        .addClass(placement)
-        .addClass('in')
-
-      actualWidth = $tip[0].offsetWidth
-      actualHeight = $tip[0].offsetHeight
-
-      if (placement == 'top' && actualHeight != height) {
-        offset.top = offset.top + height - actualHeight
-        replace = true
-      }
-
-      if (placement == 'bottom' || placement == 'top') {
-        delta = 0
-
-        if (offset.left < 0){
-          delta = offset.left * -2
-          offset.left = 0
-          $tip.offset(offset)
-          actualWidth = $tip[0].offsetWidth
-          actualHeight = $tip[0].offsetHeight
-        }
-
-        this.replaceArrow(delta - width + actualWidth, actualWidth, 'left')
-      } else {
-        this.replaceArrow(actualHeight - height, actualHeight, 'top')
-      }
-
-      if (replace) $tip.offset(offset)
-    }
-
-  , replaceArrow: function(delta, dimension, position){
-      this
-        .arrow()
-        .css(position, delta ? (50 * (1 - delta / dimension) + "%") : '')
-    }
-
-  , setContent: function () {
-      var $tip = this.tip()
-        , title = this.getTitle()
-
-      $tip.find('.tooltip-inner')[this.options.html ? 'html' : 'text'](title)
-      $tip.removeClass('fade in top bottom left right')
-    }
-
-  , hide: function () {
-      var that = this
-        , $tip = this.tip()
-        , e = $.Event('hide')
-
-      this.$element.trigger(e)
-      if (e.isDefaultPrevented()) return
-
-      $tip.removeClass('in')
-
-      function removeWithAnimation() {
-        var timeout = setTimeout(function () {
-          $tip.off($.support.transition.end).detach()
-        }, 500)
-
-        $tip.one($.support.transition.end, function () {
-          clearTimeout(timeout)
-          $tip.detach()
-        })
-      }
-
-      $.support.transition && this.$tip.hasClass('fade') ?
-        removeWithAnimation() :
-        $tip.detach()
-
-      this.$element.trigger('hidden')
-
-      return this
-    }
-
-  , fixTitle: function () {
-      var $e = this.$element
-      if ($e.attr('title') || typeof($e.attr('data-original-title')) != 'string') {
-        $e.attr('data-original-title', $e.attr('title') || '').attr('title', '')
-      }
-    }
-
-  , hasContent: function () {
-      return this.getTitle()
-    }
-
-  , getPosition: function () {
-      var el = this.$element[0]
-      return $.extend({}, (typeof el.getBoundingClientRect == 'function') ? el.getBoundingClientRect() : {
-        width: el.offsetWidth
-      , height: el.offsetHeight
-      }, this.$element.offset())
-    }
-
-  , getTitle: function () {
-      var title
-        , $e = this.$element
-        , o = this.options
-
-      title = $e.attr('data-original-title')
-        || (typeof o.title == 'function' ? o.title.call($e[0]) :  o.title)
-
-      return title
-    }
-
-  , tip: function () {
-      return this.$tip = this.$tip || $(this.options.template)
-    }
-
-  , arrow: function(){
-      return this.$arrow = this.$arrow || this.tip().find(".tooltip-arrow")
-    }
-
-  , validate: function () {
-      if (!this.$element[0].parentNode) {
-        this.hide()
-        this.$element = null
-        this.options = null
-      }
-    }
-
-  , enable: function () {
-      this.enabled = true
-    }
-
-  , disable: function () {
-      this.enabled = false
-    }
-
-  , toggleEnabled: function () {
-      this.enabled = !this.enabled
-    }
-
-  , toggle: function (e) {
-      var self = e ? $(e.currentTarget)[this.type](this._options).data(this.type) : this
-      self.tip().hasClass('in') ? self.hide() : self.show()
-    }
-
-  , destroy: function () {
-      this.hide().$element.off('.' + this.type).removeData(this.type)
-    }
-
-  }
-
-
- /* TOOLTIP PLUGIN DEFINITION
-  * ========================= */
-
-  var old = $.fn.tooltip
-
-  $.fn.tooltip = function ( option ) {
-    return this.each(function () {
-      var $this = $(this)
-        , data = $this.data('tooltip')
-        , options = typeof option == 'object' && option
-      if (!data) $this.data('tooltip', (data = new Tooltip(this, options)))
-      if (typeof option == 'string') data[option]()
-    })
-  }
-
-  $.fn.tooltip.Constructor = Tooltip
-
-  $.fn.tooltip.defaults = {
-    animation: true
-  , placement: 'top'
-  , selector: false
-  , template: '<div class="tooltip"><div class="tooltip-arrow"></div><div class="tooltip-inner"></div></div>'
-  , trigger: 'hover focus'
-  , title: ''
-  , delay: 0
-  , html: false
-  , container: false
-  }
-
-
- /* TOOLTIP NO CONFLICT
-  * =================== */
-
-  $.fn.tooltip.noConflict = function () {
-    $.fn.tooltip = old
-    return this
-  }
-
-}(window.jQuery);
-/* ===========================================================
- * bootstrap-popover.js v2.3.0
- * http://twitter.github.com/bootstrap/javascript.html#popovers
- * ===========================================================
- * Copyright 2012 Twitter, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * =========================================================== */
-
-
-!function ($) {
-
-  "use strict"; // jshint ;_;
-
-
- /* POPOVER PUBLIC CLASS DEFINITION
-  * =============================== */
-
-  var Popover = function (element, options) {
-    this.init('popover', element, options)
-  }
-
-
-  /* NOTE: POPOVER EXTENDS BOOTSTRAP-TOOLTIP.js
-     ========================================== */
-
-  Popover.prototype = $.extend({}, $.fn.tooltip.Constructor.prototype, {
-
-    constructor: Popover
-
-  , setContent: function () {
-      var $tip = this.tip()
-        , title = this.getTitle()
-        , content = this.getContent()
-
-      $tip.find('.popover-title')[this.options.html ? 'html' : 'text'](title)
-      $tip.find('.popover-content')[this.options.html ? 'html' : 'text'](content)
-
-      $tip.removeClass('fade top bottom left right in')
-    }
-
-  , hasContent: function () {
-      return this.getTitle() || this.getContent()
-    }
-
-  , getContent: function () {
-      var content
-        , $e = this.$element
-        , o = this.options
-
-      content = (typeof o.content == 'function' ? o.content.call($e[0]) :  o.content)
-        || $e.attr('data-content')
-
-      return content
-    }
-
-  , tip: function () {
-      if (!this.$tip) {
-        this.$tip = $(this.options.template)
-      }
-      return this.$tip
-    }
-
-  , destroy: function () {
-      this.hide().$element.off('.' + this.type).removeData(this.type)
-    }
-
-  })
-
-
- /* POPOVER PLUGIN DEFINITION
-  * ======================= */
-
-  var old = $.fn.popover
-
-  $.fn.popover = function (option) {
-    return this.each(function () {
-      var $this = $(this)
-        , data = $this.data('popover')
-        , options = typeof option == 'object' && option
-      if (!data) $this.data('popover', (data = new Popover(this, options)))
-      if (typeof option == 'string') data[option]()
-    })
-  }
-
-  $.fn.popover.Constructor = Popover
-
-  $.fn.popover.defaults = $.extend({} , $.fn.tooltip.defaults, {
-    placement: 'right'
-  , trigger: 'click'
-  , content: ''
-  , template: '<div class="popover"><div class="arrow"></div><h3 class="popover-title"></h3><div class="popover-content"></div></div>'
-  })
-
-
- /* POPOVER NO CONFLICT
-  * =================== */
-
-  $.fn.popover.noConflict = function () {
-    $.fn.popover = old
-    return this
-  }
-
-}(window.jQuery);
-/* =============================================================
- * bootstrap-scrollspy.js v2.3.0
- * http://twitter.github.com/bootstrap/javascript.html#scrollspy
- * =============================================================
- * Copyright 2012 Twitter, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============================================================== */
-
-
-!function ($) {
-
-  "use strict"; // jshint ;_;
-
-
- /* SCROLLSPY CLASS DEFINITION
-  * ========================== */
-
-  function ScrollSpy(element, options) {
-    var process = $.proxy(this.process, this)
-      , $element = $(element).is('body') ? $(window) : $(element)
-      , href
-    this.options = $.extend({}, $.fn.scrollspy.defaults, options)
-    this.$scrollElement = $element.on('scroll.scroll-spy.data-api', process)
-    this.selector = (this.options.target
-      || ((href = $(element).attr('href')) && href.replace(/.*(?=#[^\s]+$)/, '')) //strip for ie7
-      || '') + ' .nav li > a'
-    this.$body = $('body')
-    this.refresh()
-    this.process()
-  }
-
-  ScrollSpy.prototype = {
-
-      constructor: ScrollSpy
-
-    , refresh: function () {
-        var self = this
-          , $targets
-
-        this.offsets = $([])
-        this.targets = $([])
-
-        $targets = this.$body
-          .find(this.selector)
-          .map(function () {
-            var $el = $(this)
-              , href = $el.data('target') || $el.attr('href')
-              , $href = /^#\w/.test(href) && $(href)
-            return ( $href
-              && $href.length
-              && [[ $href.position().top + (!$.isWindow(self.$scrollElement.get(0)) && self.$scrollElement.scrollTop()), href ]] ) || null
-          })
-          .sort(function (a, b) { return a[0] - b[0] })
-          .each(function () {
-            self.offsets.push(this[0])
-            self.targets.push(this[1])
-          })
-      }
-
-    , process: function () {
-        var scrollTop = this.$scrollElement.scrollTop() + this.options.offset
-          , scrollHeight = this.$scrollElement[0].scrollHeight || this.$body[0].scrollHeight
-          , maxScroll = scrollHeight - this.$scrollElement.height()
-          , offsets = this.offsets
-          , targets = this.targets
-          , activeTarget = this.activeTarget
-          , i
-
-        if (scrollTop >= maxScroll) {
-          return activeTarget != (i = targets.last()[0])
-            && this.activate ( i )
-        }
-
-        for (i = offsets.length; i--;) {
-          activeTarget != targets[i]
-            && scrollTop >= offsets[i]
-            && (!offsets[i + 1] || scrollTop <= offsets[i + 1])
-            && this.activate( targets[i] )
-        }
-      }
-
-    , activate: function (target) {
-        var active
-          , selector
-
-        this.activeTarget = target
-
-        $(this.selector)
-          .parent('.active')
-          .removeClass('active')
-
-        selector = this.selector
-          + '[data-target="' + target + '"],'
-          + this.selector + '[href="' + target + '"]'
-
-        active = $(selector)
-          .parent('li')
-          .addClass('active')
-
-        if (active.parent('.dropdown-menu').length)  {
-          active = active.closest('li.dropdown').addClass('active')
-        }
-
-        active.trigger('activate')
-      }
-
-  }
-
-
- /* SCROLLSPY PLUGIN DEFINITION
-  * =========================== */
-
-  var old = $.fn.scrollspy
-
-  $.fn.scrollspy = function (option) {
-    return this.each(function () {
-      var $this = $(this)
-        , data = $this.data('scrollspy')
-        , options = typeof option == 'object' && option
-      if (!data) $this.data('scrollspy', (data = new ScrollSpy(this, options)))
-      if (typeof option == 'string') data[option]()
-    })
-  }
-
-  $.fn.scrollspy.Constructor = ScrollSpy
-
-  $.fn.scrollspy.defaults = {
-    offset: 10
-  }
-
-
- /* SCROLLSPY NO CONFLICT
-  * ===================== */
-
-  $.fn.scrollspy.noConflict = function () {
-    $.fn.scrollspy = old
-    return this
-  }
-
-
- /* SCROLLSPY DATA-API
-  * ================== */
-
-  $(window).on('load', function () {
-    $('[data-spy="scroll"]').each(function () {
-      var $spy = $(this)
-      $spy.scrollspy($spy.data())
-    })
-  })
-
-}(window.jQuery);/* ========================================================
- * bootstrap-tab.js v2.3.0
- * http://twitter.github.com/bootstrap/javascript.html#tabs
- * ========================================================
- * Copyright 2012 Twitter, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ======================================================== */
-
-
-!function ($) {
-
-  "use strict"; // jshint ;_;
-
-
- /* TAB CLASS DEFINITION
-  * ==================== */
-
-  var Tab = function (element) {
-    this.element = $(element)
-  }
-
-  Tab.prototype = {
-
-    constructor: Tab
-
-  , show: function () {
-      var $this = this.element
-        , $ul = $this.closest('ul:not(.dropdown-menu)')
-        , selector = $this.attr('data-target')
-        , previous
-        , $target
-        , e
-
-      if (!selector) {
-        selector = $this.attr('href')
-        selector = selector && selector.replace(/.*(?=#[^\s]*$)/, '') //strip for ie7
-      }
-
-      if ( $this.parent('li').hasClass('active') ) return
-
-      previous = $ul.find('.active:last a')[0]
-
-      e = $.Event('show', {
-        relatedTarget: previous
-      })
-
-      $this.trigger(e)
-
-      if (e.isDefaultPrevented()) return
-
-      $target = $(selector)
-
-      this.activate($this.parent('li'), $ul)
-      this.activate($target, $target.parent(), function () {
-        $this.trigger({
-          type: 'shown'
-        , relatedTarget: previous
-        })
-      })
-    }
-
-  , activate: function ( element, container, callback) {
-      var $active = container.find('> .active')
-        , transition = callback
-            && $.support.transition
-            && $active.hasClass('fade')
-
-      function next() {
-        $active
-          .removeClass('active')
-          .find('> .dropdown-menu > .active')
-          .removeClass('active')
-
-        element.addClass('active')
-
-        if (transition) {
-          element[0].offsetWidth // reflow for transition
-          element.addClass('in')
-        } else {
-          element.removeClass('fade')
-        }
-
-        if ( element.parent('.dropdown-menu') ) {
-          element.closest('li.dropdown').addClass('active')
-        }
-
-        callback && callback()
-      }
-
-      transition ?
-        $active.one($.support.transition.end, next) :
-        next()
-
-      $active.removeClass('in')
-    }
-  }
-
-
- /* TAB PLUGIN DEFINITION
-  * ===================== */
-
-  var old = $.fn.tab
-
-  $.fn.tab = function ( option ) {
-    return this.each(function () {
-      var $this = $(this)
-        , data = $this.data('tab')
-      if (!data) $this.data('tab', (data = new Tab(this)))
-      if (typeof option == 'string') data[option]()
-    })
-  }
-
-  $.fn.tab.Constructor = Tab
-
-
- /* TAB NO CONFLICT
-  * =============== */
-
-  $.fn.tab.noConflict = function () {
-    $.fn.tab = old
-    return this
-  }
-
-
- /* TAB DATA-API
-  * ============ */
-
-  $(document).on('click.tab.data-api', '[data-toggle="tab"], [data-toggle="pill"]', function (e) {
-    e.preventDefault()
-    $(this).tab('show')
-  })
-
-}(window.jQuery);/* =============================================================
- * bootstrap-typeahead.js v2.3.0
- * http://twitter.github.com/bootstrap/javascript.html#typeahead
- * =============================================================
- * Copyright 2012 Twitter, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ============================================================ */
-
-
-!function($){
-
-  "use strict"; // jshint ;_;
-
-
- /* TYPEAHEAD PUBLIC CLASS DEFINITION
-  * ================================= */
-
-  var Typeahead = function (element, options) {
-    this.$element = $(element)
-    this.options = $.extend({}, $.fn.typeahead.defaults, options)
-    this.matcher = this.options.matcher || this.matcher
-    this.sorter = this.options.sorter || this.sorter
-    this.highlighter = this.options.highlighter || this.highlighter
-    this.updater = this.options.updater || this.updater
-    this.source = this.options.source
-    this.$menu = $(this.options.menu)
-    this.shown = false
-    this.listen()
-  }
-
-  Typeahead.prototype = {
-
-    constructor: Typeahead
-
-  , select: function () {
-      var val = this.$menu.find('.active').attr('data-value')
-      this.$element
-        .val(this.updater(val))
-        .change()
-      return this.hide()
-    }
-
-  , updater: function (item) {
-      return item
-    }
-
-  , show: function () {
-      var pos = $.extend({}, this.$element.position(), {
-        height: this.$element[0].offsetHeight
-      })
-
-      this.$menu
-        .insertAfter(this.$element)
-        .css({
-          top: pos.top + pos.height
-        , left: pos.left
-        })
-        .show()
-
-      this.shown = true
-      return this
-    }
-
-  , hide: function () {
-      this.$menu.hide()
-      this.shown = false
-      return this
-    }
-
-  , lookup: function (event) {
-      var items
-
-      this.query = this.$element.val()
-
-      if (!this.query || this.query.length < this.options.minLength) {
-        return this.shown ? this.hide() : this
-      }
-
-      items = $.isFunction(this.source) ? this.source(this.query, $.proxy(this.process, this)) : this.source
-
-      return items ? this.process(items) : this
-    }
-
-  , process: function (items) {
-      var that = this
-
-      items = $.grep(items, function (item) {
-        return that.matcher(item)
-      })
-
-      items = this.sorter(items)
-
-      if (!items.length) {
-        return this.shown ? this.hide() : this
-      }
-
-      return this.render(items.slice(0, this.options.items)).show()
-    }
-
-  , matcher: function (item) {
-      return ~item.toLowerCase().indexOf(this.query.toLowerCase())
-    }
-
-  , sorter: function (items) {
-      var beginswith = []
-        , caseSensitive = []
-        , caseInsensitive = []
-        , item
-
-      while (item = items.shift()) {
-        if (!item.toLowerCase().indexOf(this.query.toLowerCase())) beginswith.push(item)
-        else if (~item.indexOf(this.query)) caseSensitive.push(item)
-        else caseInsensitive.push(item)
-      }
-
-      return beginswith.concat(caseSensitive, caseInsensitive)
-    }
-
-  , highlighter: function (item) {
-      var query = this.query.replace(/[\-\[\]{}()*+?.,\\\^$|#\s]/g, '\\$&')
-      return item.replace(new RegExp('(' + query + ')', 'ig'), function ($1, match) {
-        return '<strong>' + match + '</strong>'
-      })
-    }
-
-  , render: function (items) {
-      var that = this
-
-      items = $(items).map(function (i, item) {
-        i = $(that.options.item).attr('data-value', item)
-        i.find('a').html(that.highlighter(item))
-        return i[0]
-      })
-
-      items.first().addClass('active')
-      this.$menu.html(items)
-      return this
-    }
-
-  , next: function (event) {
-      var active = this.$menu.find('.active').removeClass('active')
-        , next = active.next()
-
-      if (!next.length) {
-        next = $(this.$menu.find('li')[0])
-      }
-
-      next.addClass('active')
-    }
-
-  , prev: function (event) {
-      var active = this.$menu.find('.active').removeClass('active')
-        , prev = active.prev()
-
-      if (!prev.length) {
-        prev = this.$menu.find('li').last()
-      }
-
-      prev.addClass('active')
-    }
-
-  , listen: function () {
-      this.$element
-        .on('focus',    $.proxy(this.focus, this))
-        .on('blur',     $.proxy(this.blur, this))
-        .on('keypress', $.proxy(this.keypress, this))
-        .on('keyup',    $.proxy(this.keyup, this))
-
-      if (this.eventSupported('keydown')) {
-        this.$element.on('keydown', $.proxy(this.keydown, this))
-      }
-
-      this.$menu
-        .on('click', $.proxy(this.click, this))
-        .on('mouseenter', 'li', $.proxy(this.mouseenter, this))
-        .on('mouseleave', 'li', $.proxy(this.mouseleave, this))
-    }
-
-  , eventSupported: function(eventName) {
-      var isSupported = eventName in this.$element
-      if (!isSupported) {
-        this.$element.setAttribute(eventName, 'return;')
-        isSupported = typeof this.$element[eventName] === 'function'
-      }
-      return isSupported
-    }
-
-  , move: function (e) {
-      if (!this.shown) return
-
-      switch(e.keyCode) {
-        case 9: // tab
-        case 13: // enter
-        case 27: // escape
-          e.preventDefault()
-          break
-
-        case 38: // up arrow
-          e.preventDefault()
-          this.prev()
-          break
-
-        case 40: // down arrow
-          e.preventDefault()
-          this.next()
-          break
-      }
-
-      e.stopPropagation()
-    }
-
-  , keydown: function (e) {
-      this.suppressKeyPressRepeat = ~$.inArray(e.keyCode, [40,38,9,13,27])
-      this.move(e)
-    }
-
-  , keypress: function (e) {
-      if (this.suppressKeyPressRepeat) return
-      this.move(e)
-    }
-
-  , keyup: function (e) {
-      switch(e.keyCode) {
-        case 40: // down arrow
-        case 38: // up arrow
-        case 16: // shift
-        case 17: // ctrl
-        case 18: // alt
-          break
-
-        case 9: // tab
-        case 13: // enter
-          if (!this.shown) return
-          this.select()
-          break
-
-        case 27: // escape
-          if (!this.shown) return
-          this.hide()
-          break
-
-        default:
-          this.lookup()
-      }
-
-      e.stopPropagation()
-      e.preventDefault()
-  }
-
-  , focus: function (e) {
-      this.focused = true
-    }
-
-  , blur: function (e) {
-      this.focused = false
-      if (!this.mousedover && this.shown) this.hide()
-    }
-
-  , click: function (e) {
-      e.stopPropagation()
-      e.preventDefault()
-      this.select()
-      this.$element.focus()
-    }
-
-  , mouseenter: function (e) {
-      this.mousedover = true
-      this.$menu.find('.active').removeClass('active')
-      $(e.currentTarget).addClass('active')
-    }
-
-  , mouseleave: function (e) {
-      this.mousedover = false
-      if (!this.focused && this.shown) this.hide()
-    }
-
-  }
-
-
-  /* TYPEAHEAD PLUGIN DEFINITION
-   * =========================== */
-
-  var old = $.fn.typeahead
-
-  $.fn.typeahead = function (option) {
-    return this.each(function () {
-      var $this = $(this)
-        , data = $this.data('typeahead')
-        , options = typeof option == 'object' && option
-      if (!data) $this.data('typeahead', (data = new Typeahead(this, options)))
-      if (typeof option == 'string') data[option]()
-    })
-  }
-
-  $.fn.typeahead.defaults = {
-    source: []
-  , items: 8
-  , menu: '<ul class="typeahead dropdown-menu"></ul>'
-  , item: '<li><a href="#"></a></li>'
-  , minLength: 1
-  }
-
-  $.fn.typeahead.Constructor = Typeahead
-
-
- /* TYPEAHEAD NO CONFLICT
-  * =================== */
-
-  $.fn.typeahead.noConflict = function () {
-    $.fn.typeahead = old
-    return this
-  }
-
-
- /* TYPEAHEAD DATA-API
-  * ================== */
-
-  $(document).on('focus.typeahead.data-api', '[data-provide="typeahead"]', function (e) {
-    var $this = $(this)
-    if ($this.data('typeahead')) return
-    $this.typeahead($this.data())
-  })
-
-}(window.jQuery);
-/* ==========================================================
- * bootstrap-affix.js v2.3.0
- * http://twitter.github.com/bootstrap/javascript.html#affix
- * ==========================================================
- * Copyright 2012 Twitter, Inc.
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- * http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- * ========================================================== */
-
-
-!function ($) {
-
-  "use strict"; // jshint ;_;
-
-
- /* AFFIX CLASS DEFINITION
-  * ====================== */
-
-  var Affix = function (element, options) {
-    this.options = $.extend({}, $.fn.affix.defaults, options)
-    this.$window = $(window)
-      .on('scroll.affix.data-api', $.proxy(this.checkPosition, this))
-      .on('click.affix.data-api',  $.proxy(function () { setTimeout($.proxy(this.checkPosition, this), 1) }, this))
-    this.$element = $(element)
-    this.checkPosition()
-  }
-
-  Affix.prototype.checkPosition = function () {
-    if (!this.$element.is(':visible')) return
-
-    var scrollHeight = $(document).height()
-      , scrollTop = this.$window.scrollTop()
-      , position = this.$element.offset()
-      , offset = this.options.offset
-      , offsetBottom = offset.bottom
-      , offsetTop = offset.top
-      , reset = 'affix affix-top affix-bottom'
-      , affix
-
-    if (typeof offset != 'object') offsetBottom = offsetTop = offset
-    if (typeof offsetTop == 'function') offsetTop = offset.top()
-    if (typeof offsetBottom == 'function') offsetBottom = offset.bottom()
-
-    affix = this.unpin != null && (scrollTop + this.unpin <= position.top) ?
-      false    : offsetBottom != null && (position.top + this.$element.height() >= scrollHeight - offsetBottom) ?
-      'bottom' : offsetTop != null && scrollTop <= offsetTop ?
-      'top'    : false
-
-    if (this.affixed === affix) return
-
-    this.affixed = affix
-    this.unpin = affix == 'bottom' ? position.top - scrollTop : null
-
-    this.$element.removeClass(reset).addClass('affix' + (affix ? '-' + affix : ''))
-  }
-
-
- /* AFFIX PLUGIN DEFINITION
-  * ======================= */
-
-  var old = $.fn.affix
-
-  $.fn.affix = function (option) {
-    return this.each(function () {
-      var $this = $(this)
-        , data = $this.data('affix')
-        , options = typeof option == 'object' && option
-      if (!data) $this.data('affix', (data = new Affix(this, options)))
-      if (typeof option == 'string') data[option]()
-    })
-  }
-
-  $.fn.affix.Constructor = Affix
-
-  $.fn.affix.defaults = {
-    offset: 0
-  }
-
-
- /* AFFIX NO CONFLICT
-  * ================= */
-
-  $.fn.affix.noConflict = function () {
-    $.fn.affix = old
-    return this
-  }
-
-
- /* AFFIX DATA-API
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-      data.offsetTop && (data.offset.top = data.offsetTop)
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\ No newline at end of file
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/lib/bootstrap/js/bootstrap.min.js
--- a/integ/js/vs/lib/bootstrap/js/bootstrap.min.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,6 +0,0 @@
-/*!
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-*/
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diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/lib/d3/d3.v2.js
--- a/integ/js/vs/lib/d3/d3.v2.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,9342 +0,0 @@
-(function(){if (!Date.now) Date.now = function() {
-  return +new Date;
-};
-try {
-  document.createElement("div").style.setProperty("opacity", 0, "");
-} catch (error) {
-  var d3_style_prototype = CSSStyleDeclaration.prototype,
-      d3_style_setProperty = d3_style_prototype.setProperty;
-  d3_style_prototype.setProperty = function(name, value, priority) {
-    d3_style_setProperty.call(this, name, value + "", priority);
-  };
-}
-d3 = {version: "2.8.1"}; // semver
-function d3_class(ctor, properties) {
-  try {
-    for (var key in properties) {
-      Object.defineProperty(ctor.prototype, key, {
-        value: properties[key],
-        enumerable: false
-      });
-    }
-  } catch (e) {
-    ctor.prototype = properties;
-  }
-}
-var d3_array = d3_arraySlice; // conversion for NodeLists
-
-function d3_arrayCopy(pseudoarray) {
-  var i = -1, n = pseudoarray.length, array = [];
-  while (++i < n) array.push(pseudoarray[i]);
-  return array;
-}
-
-function d3_arraySlice(pseudoarray) {
-  return Array.prototype.slice.call(pseudoarray);
-}
-
-try {
-  d3_array(document.documentElement.childNodes)[0].nodeType;
-} catch(e) {
-  d3_array = d3_arrayCopy;
-}
-
-var d3_arraySubclass = [].__proto__?
-
-// Until ECMAScript supports array subclassing, prototype injection works well.
-function(array, prototype) {
-  array.__proto__ = prototype;
-}:
-
-// And if your browser doesn't support __proto__, we'll use direct extension.
-function(array, prototype) {
-  for (var property in prototype) array[property] = prototype[property];
-};
-d3.map = function(object) {
-  var map = new d3_Map;
-  for (var key in object) map.set(key, object[key]);
-  return map;
-};
-
-function d3_Map() {}
-
-d3_class(d3_Map, {
-  has: function(key) {
-    return d3_map_prefix + key in this;
-  },
-  get: function(key) {
-    return this[d3_map_prefix + key];
-  },
-  set: function(key, value) {
-    return this[d3_map_prefix + key] = value;
-  },
-  remove: function(key) {
-    key = d3_map_prefix + key;
-    return key in this && delete this[key];
-  },
-  keys: function() {
-    var keys = [];
-    this.forEach(function(key) { keys.push(key); });
-    return keys;
-  },
-  values: function() {
-    var values = [];
-    this.forEach(function(key, value) { values.push(value); });
-    return values;
-  },
-  entries: function() {
-    var entries = [];
-    this.forEach(function(key, value) { entries.push({key: key, value: value}); });
-    return entries;
-  },
-  forEach: function(f) {
-    for (var key in this) {
-      if (key.charCodeAt(0) === d3_map_prefixCode) {
-        f.call(this, key.substring(1), this[key]);
-      }
-    }
-  }
-});
-
-var d3_map_prefix = "\0", // prevent collision with built-ins
-    d3_map_prefixCode = d3_map_prefix.charCodeAt(0);
-function d3_this() {
-  return this;
-}
-d3.functor = function(v) {
-  return typeof v === "function" ? v : function() { return v; };
-};
-// Copies a variable number of methods from source to target.
-d3.rebind = function(target, source) {
-  var i = 1, n = arguments.length, method;
-  while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]);
-  return target;
-};
-
-// Method is assumed to be a standard D3 getter-setter:
-// If passed with no arguments, gets the value.
-// If passed with arguments, sets the value and returns the target.
-function d3_rebind(target, source, method) {
-  return function() {
-    var value = method.apply(source, arguments);
-    return arguments.length ? target : value;
-  };
-}
-d3.ascending = function(a, b) {
-  return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
-};
-d3.descending = function(a, b) {
-  return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
-};
-d3.mean = function(array, f) {
-  var n = array.length,
-      a,
-      m = 0,
-      i = -1,
-      j = 0;
-  if (arguments.length === 1) {
-    while (++i < n) if (d3_number(a = array[i])) m += (a - m) / ++j;
-  } else {
-    while (++i < n) if (d3_number(a = f.call(array, array[i], i))) m += (a - m) / ++j;
-  }
-  return j ? m : undefined;
-};
-d3.median = function(array, f) {
-  if (arguments.length > 1) array = array.map(f);
-  array = array.filter(d3_number);
-  return array.length ? d3.quantile(array.sort(d3.ascending), .5) : undefined;
-};
-d3.min = function(array, f) {
-  var i = -1,
-      n = array.length,
-      a,
-      b;
-  if (arguments.length === 1) {
-    while (++i < n && ((a = array[i]) == null || a != a)) a = undefined;
-    while (++i < n) if ((b = array[i]) != null && a > b) a = b;
-  } else {
-    while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined;
-    while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b;
-  }
-  return a;
-};
-d3.max = function(array, f) {
-  var i = -1,
-      n = array.length,
-      a,
-      b;
-  if (arguments.length === 1) {
-    while (++i < n && ((a = array[i]) == null || a != a)) a = undefined;
-    while (++i < n) if ((b = array[i]) != null && b > a) a = b;
-  } else {
-    while (++i < n && ((a = f.call(array, array[i], i)) == null || a != a)) a = undefined;
-    while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b;
-  }
-  return a;
-};
-d3.extent = function(array, f) {
-  var i = -1,
-      n = array.length,
-      a,
-      b,
-      c;
-  if (arguments.length === 1) {
-    while (++i < n && ((a = c = array[i]) == null || a != a)) a = c = undefined;
-    while (++i < n) if ((b = array[i]) != null) {
-      if (a > b) a = b;
-      if (c < b) c = b;
-    }
-  } else {
-    while (++i < n && ((a = c = f.call(array, array[i], i)) == null || a != a)) a = undefined;
-    while (++i < n) if ((b = f.call(array, array[i], i)) != null) {
-      if (a > b) a = b;
-      if (c < b) c = b;
-    }
-  }
-  return [a, c];
-};
-d3.random = {
-  normal: function(mean, deviation) {
-    if (arguments.length < 2) deviation = 1;
-    if (arguments.length < 1) mean = 0;
-    return function() {
-      var x, y, r;
-      do {
-        x = Math.random() * 2 - 1;
-        y = Math.random() * 2 - 1;
-        r = x * x + y * y;
-      } while (!r || r > 1);
-      return mean + deviation * x * Math.sqrt(-2 * Math.log(r) / r);
-    };
-  }
-};
-function d3_number(x) {
-  return x != null && !isNaN(x);
-}
-d3.sum = function(array, f) {
-  var s = 0,
-      n = array.length,
-      a,
-      i = -1;
-
-  if (arguments.length === 1) {
-    while (++i < n) if (!isNaN(a = +array[i])) s += a;
-  } else {
-    while (++i < n) if (!isNaN(a = +f.call(array, array[i], i))) s += a;
-  }
-
-  return s;
-};
-// R-7 per <http://en.wikipedia.org/wiki/Quantile>
-d3.quantile = function(values, p) {
-  var H = (values.length - 1) * p + 1,
-      h = Math.floor(H),
-      v = values[h - 1],
-      e = H - h;
-  return e ? v + e * (values[h] - v) : v;
-};
-d3.transpose = function(matrix) {
-  return d3.zip.apply(d3, matrix);
-};
-d3.zip = function() {
-  if (!(n = arguments.length)) return [];
-  for (var i = -1, m = d3.min(arguments, d3_zipLength), zips = new Array(m); ++i < m;) {
-    for (var j = -1, n, zip = zips[i] = new Array(n); ++j < n;) {
-      zip[j] = arguments[j][i];
-    }
-  }
-  return zips;
-};
-
-function d3_zipLength(d) {
-  return d.length;
-}
-d3.bisector = function(f) {
-  return {
-    left: function(a, x, lo, hi) {
-      if (arguments.length < 3) lo = 0;
-      if (arguments.length < 4) hi = a.length;
-      while (lo < hi) {
-        var mid = lo + hi >> 1;
-        if (f.call(a, a[mid], mid) < x) lo = mid + 1;
-        else hi = mid;
-      }
-      return lo;
-    },
-    right: function(a, x, lo, hi) {
-      if (arguments.length < 3) lo = 0;
-      if (arguments.length < 4) hi = a.length;
-      while (lo < hi) {
-        var mid = lo + hi >> 1;
-        if (x < f.call(a, a[mid], mid)) hi = mid;
-        else lo = mid + 1;
-      }
-      return lo;
-    }
-  };
-};
-
-var d3_bisector = d3.bisector(function(d) { return d; });
-d3.bisectLeft = d3_bisector.left;
-d3.bisect = d3.bisectRight = d3_bisector.right;
-d3.first = function(array, f) {
-  var i = 0,
-      n = array.length,
-      a = array[0],
-      b;
-  if (arguments.length === 1) f = d3.ascending;
-  while (++i < n) {
-    if (f.call(array, a, b = array[i]) > 0) {
-      a = b;
-    }
-  }
-  return a;
-};
-d3.last = function(array, f) {
-  var i = 0,
-      n = array.length,
-      a = array[0],
-      b;
-  if (arguments.length === 1) f = d3.ascending;
-  while (++i < n) {
-    if (f.call(array, a, b = array[i]) <= 0) {
-      a = b;
-    }
-  }
-  return a;
-};
-d3.nest = function() {
-  var nest = {},
-      keys = [],
-      sortKeys = [],
-      sortValues,
-      rollup;
-
-  function map(array, depth) {
-    if (depth >= keys.length) return rollup
-        ? rollup.call(nest, array) : (sortValues
-        ? array.sort(sortValues)
-        : array);
-
-    var i = -1,
-        n = array.length,
-        key = keys[depth++],
-        keyValue,
-        object,
-        valuesByKey = new d3_Map,
-        values,
-        o = {};
-
-    while (++i < n) {
-      if (values = valuesByKey.get(keyValue = key(object = array[i]))) {
-        values.push(object);
-      } else {
-        valuesByKey.set(keyValue, [object]);
-      }
-    }
-
-    valuesByKey.forEach(function(keyValue) {
-      o[keyValue] = map(valuesByKey.get(keyValue), depth);
-    });
-
-    return o;
-  }
-
-  function entries(map, depth) {
-    if (depth >= keys.length) return map;
-
-    var a = [],
-        sortKey = sortKeys[depth++],
-        key;
-
-    for (key in map) {
-      a.push({key: key, values: entries(map[key], depth)});
-    }
-
-    if (sortKey) a.sort(function(a, b) {
-      return sortKey(a.key, b.key);
-    });
-
-    return a;
-  }
-
-  nest.map = function(array) {
-    return map(array, 0);
-  };
-
-  nest.entries = function(array) {
-    return entries(map(array, 0), 0);
-  };
-
-  nest.key = function(d) {
-    keys.push(d);
-    return nest;
-  };
-
-  // Specifies the order for the most-recently specified key.
-  // Note: only applies to entries. Map keys are unordered!
-  nest.sortKeys = function(order) {
-    sortKeys[keys.length - 1] = order;
-    return nest;
-  };
-
-  // Specifies the order for leaf values.
-  // Applies to both maps and entries array.
-  nest.sortValues = function(order) {
-    sortValues = order;
-    return nest;
-  };
-
-  nest.rollup = function(f) {
-    rollup = f;
-    return nest;
-  };
-
-  return nest;
-};
-d3.keys = function(map) {
-  var keys = [];
-  for (var key in map) keys.push(key);
-  return keys;
-};
-d3.values = function(map) {
-  var values = [];
-  for (var key in map) values.push(map[key]);
-  return values;
-};
-d3.entries = function(map) {
-  var entries = [];
-  for (var key in map) entries.push({key: key, value: map[key]});
-  return entries;
-};
-d3.permute = function(array, indexes) {
-  var permutes = [],
-      i = -1,
-      n = indexes.length;
-  while (++i < n) permutes[i] = array[indexes[i]];
-  return permutes;
-};
-d3.merge = function(arrays) {
-  return Array.prototype.concat.apply([], arrays);
-};
-d3.split = function(array, f) {
-  var arrays = [],
-      values = [],
-      value,
-      i = -1,
-      n = array.length;
-  if (arguments.length < 2) f = d3_splitter;
-  while (++i < n) {
-    if (f.call(values, value = array[i], i)) {
-      values = [];
-    } else {
-      if (!values.length) arrays.push(values);
-      values.push(value);
-    }
-  }
-  return arrays;
-};
-
-function d3_splitter(d) {
-  return d == null;
-}
-function d3_collapse(s) {
-  return s.replace(/(^\s+)|(\s+$)/g, "").replace(/\s+/g, " ");
-}
-d3.range = function(start, stop, step) {
-  if (arguments.length < 3) {
-    step = 1;
-    if (arguments.length < 2) {
-      stop = start;
-      start = 0;
-    }
-  }
-  if ((stop - start) / step === Infinity) throw new Error("infinite range");
-  var range = [],
-       k = d3_range_integerScale(Math.abs(step)),
-       i = -1,
-       j;
-  start *= k, stop *= k, step *= k;
-  if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k);
-  else while ((j = start + step * ++i) < stop) range.push(j / k);
-  return range;
-};
-
-function d3_range_integerScale(x) {
-  var k = 1;
-  while (x * k % 1) k *= 10;
-  return k;
-}
-d3.requote = function(s) {
-  return s.replace(d3_requote_re, "\\$&");
-};
-
-var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
-d3.round = function(x, n) {
-  return n
-      ? Math.round(x * (n = Math.pow(10, n))) / n
-      : Math.round(x);
-};
-d3.xhr = function(url, mime, callback) {
-  var req = new XMLHttpRequest;
-  if (arguments.length < 3) callback = mime, mime = null;
-  else if (mime && req.overrideMimeType) req.overrideMimeType(mime);
-  req.open("GET", url, true);
-  if (mime) req.setRequestHeader("Accept", mime);
-  req.onreadystatechange = function() {
-    if (req.readyState === 4) callback(req.status < 300 ? req : null);
-  };
-  req.send(null);
-};
-d3.text = function(url, mime, callback) {
-  function ready(req) {
-    callback(req && req.responseText);
-  }
-  if (arguments.length < 3) {
-    callback = mime;
-    mime = null;
-  }
-  d3.xhr(url, mime, ready);
-};
-d3.json = function(url, callback) {
-  d3.text(url, "application/json", function(text) {
-    callback(text ? JSON.parse(text) : null);
-  });
-};
-d3.html = function(url, callback) {
-  d3.text(url, "text/html", function(text) {
-    if (text != null) { // Treat empty string as valid HTML.
-      var range = document.createRange();
-      range.selectNode(document.body);
-      text = range.createContextualFragment(text);
-    }
-    callback(text);
-  });
-};
-d3.xml = function(url, mime, callback) {
-  function ready(req) {
-    callback(req && req.responseXML);
-  }
-  if (arguments.length < 3) {
-    callback = mime;
-    mime = null;
-  }
-  d3.xhr(url, mime, ready);
-};
-var d3_nsPrefix = {
-  svg: "http://www.w3.org/2000/svg",
-  xhtml: "http://www.w3.org/1999/xhtml",
-  xlink: "http://www.w3.org/1999/xlink",
-  xml: "http://www.w3.org/XML/1998/namespace",
-  xmlns: "http://www.w3.org/2000/xmlns/"
-};
-
-d3.ns = {
-  prefix: d3_nsPrefix,
-  qualify: function(name) {
-    var i = name.indexOf(":"),
-        prefix = name;
-    if (i >= 0) {
-      prefix = name.substring(0, i);
-      name = name.substring(i + 1);
-    }
-    return d3_nsPrefix.hasOwnProperty(prefix)
-        ? {space: d3_nsPrefix[prefix], local: name}
-        : name;
-  }
-};
-d3.dispatch = function() {
-  var dispatch = new d3_dispatch,
-      i = -1,
-      n = arguments.length;
-  while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
-  return dispatch;
-};
-
-function d3_dispatch() {}
-
-d3_dispatch.prototype.on = function(type, listener) {
-  var i = type.indexOf("."),
-      name = "";
-
-  // Extract optional namespace, e.g., "click.foo"
-  if (i > 0) {
-    name = type.substring(i + 1);
-    type = type.substring(0, i);
-  }
-
-  return arguments.length < 2
-      ? this[type].on(name)
-      : this[type].on(name, listener);
-};
-
-function d3_dispatch_event(dispatch) {
-  var listeners = [],
-      listenerByName = new d3_Map;
-
-  function event() {
-    var z = listeners, // defensive reference
-        i = -1,
-        n = z.length,
-        l;
-    while (++i < n) if (l = z[i].on) l.apply(this, arguments);
-    return dispatch;
-  }
-
-  event.on = function(name, listener) {
-    var l = listenerByName.get(name),
-        i;
-
-    // return the current listener, if any
-    if (arguments.length < 2) return l && l.on;
-
-    // remove the old listener, if any (with copy-on-write)
-    if (l) {
-      l.on = null;
-      listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1));
-      listenerByName.remove(name);
-    }
-
-    // add the new listener, if any
-    if (listener) listeners.push(listenerByName.set(name, {on: listener}));
-
-    return dispatch;
-  };
-
-  return event;
-}
-// TODO align
-d3.format = function(specifier) {
-  var match = d3_format_re.exec(specifier),
-      fill = match[1] || " ",
-      sign = match[3] || "",
-      zfill = match[5],
-      width = +match[6],
-      comma = match[7],
-      precision = match[8],
-      type = match[9],
-      scale = 1,
-      suffix = "",
-      integer = false;
-
-  if (precision) precision = +precision.substring(1);
-
-  if (zfill) {
-    fill = "0"; // TODO align = "=";
-    if (comma) width -= Math.floor((width - 1) / 4);
-  }
-
-  switch (type) {
-    case "n": comma = true; type = "g"; break;
-    case "%": scale = 100; suffix = "%"; type = "f"; break;
-    case "p": scale = 100; suffix = "%"; type = "r"; break;
-    case "d": integer = true; precision = 0; break;
-    case "s": scale = -1; type = "r"; break;
-  }
-
-  // If no precision is specified for r, fallback to general notation.
-  if (type == "r" && !precision) type = "g";
-
-  type = d3_format_types.get(type) || d3_format_typeDefault;
-
-  return function(value) {
-
-    // Return the empty string for floats formatted as ints.
-    if (integer && (value % 1)) return "";
-
-    // Convert negative to positive, and record the sign prefix.
-    var negative = (value < 0) && (value = -value) ? "\u2212" : sign;
-
-    // Apply the scale, computing it from the value's exponent for si format.
-    if (scale < 0) {
-      var prefix = d3.formatPrefix(value, precision);
-      value *= prefix.scale;
-      suffix = prefix.symbol;
-    } else {
-      value *= scale;
-    }
-
-    // Convert to the desired precision.
-    value = type(value, precision);
-
-    // If the fill character is 0, the sign and group is applied after the fill.
-    if (zfill) {
-      var length = value.length + negative.length;
-      if (length < width) value = new Array(width - length + 1).join(fill) + value;
-      if (comma) value = d3_format_group(value);
-      value = negative + value;
-    }
-
-    // Otherwise (e.g., space-filling), the sign and group is applied before.
-    else {
-      if (comma) value = d3_format_group(value);
-      value = negative + value;
-      var length = value.length;
-      if (length < width) value = new Array(width - length + 1).join(fill) + value;
-    }
-
-    return value + suffix;
-  };
-};
-
-// [[fill]align][sign][#][0][width][,][.precision][type]
-var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?(#)?(0)?([0-9]+)?(,)?(\.[0-9]+)?([a-zA-Z%])?/;
-
-var d3_format_types = d3.map({
-  g: function(x, p) { return x.toPrecision(p); },
-  e: function(x, p) { return x.toExponential(p); },
-  f: function(x, p) { return x.toFixed(p); },
-  r: function(x, p) { return d3.round(x, p = d3_format_precision(x, p)).toFixed(Math.max(0, Math.min(20, p))); }
-});
-
-function d3_format_precision(x, p) {
-  return p - (x ? 1 + Math.floor(Math.log(x + Math.pow(10, 1 + Math.floor(Math.log(x) / Math.LN10) - p)) / Math.LN10) : 1);
-}
-
-function d3_format_typeDefault(x) {
-  return x + "";
-}
-
-// Apply comma grouping for thousands.
-function d3_format_group(value) {
-  var i = value.lastIndexOf("."),
-      f = i >= 0 ? value.substring(i) : (i = value.length, ""),
-      t = [];
-  while (i > 0) t.push(value.substring(i -= 3, i + 3));
-  return t.reverse().join(",") + f;
-}
-var d3_formatPrefixes = ["y","z","a","f","p","n","μ","m","","k","M","G","T","P","E","Z","Y"].map(d3_formatPrefix);
-
-d3.formatPrefix = function(value, precision) {
-  var i = 0;
-  if (value) {
-    if (value < 0) value *= -1;
-    if (precision) value = d3.round(value, d3_format_precision(value, precision));
-    i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10);
-    i = Math.max(-24, Math.min(24, Math.floor((i <= 0 ? i + 1 : i - 1) / 3) * 3));
-  }
-  return d3_formatPrefixes[8 + i / 3];
-};
-
-function d3_formatPrefix(d, i) {
-  return {
-    scale: Math.pow(10, (8 - i) * 3),
-    symbol: d
-  };
-}
-
-/*
- * TERMS OF USE - EASING EQUATIONS
- *
- * Open source under the BSD License.
- *
- * Copyright 2001 Robert Penner
- * All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- *
- * - Redistributions of source code must retain the above copyright notice, this
- *   list of conditions and the following disclaimer.
- *
- * - Redistributions in binary form must reproduce the above copyright notice,
- *   this list of conditions and the following disclaimer in the documentation
- *   and/or other materials provided with the distribution.
- *
- * - Neither the name of the author nor the names of contributors may be used to
- *   endorse or promote products derived from this software without specific
- *   prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-
-var d3_ease_quad = d3_ease_poly(2),
-    d3_ease_cubic = d3_ease_poly(3),
-    d3_ease_default = function() { return d3_ease_identity; };
-
-var d3_ease = d3.map({
-  linear: d3_ease_default,
-  poly: d3_ease_poly,
-  quad: function() { return d3_ease_quad; },
-  cubic: function() { return d3_ease_cubic; },
-  sin: function() { return d3_ease_sin; },
-  exp: function() { return d3_ease_exp; },
-  circle: function() { return d3_ease_circle; },
-  elastic: d3_ease_elastic,
-  back: d3_ease_back,
-  bounce: function() { return d3_ease_bounce; }
-});
-
-var d3_ease_mode = d3.map({
-  "in": d3_ease_identity,
-  "out": d3_ease_reverse,
-  "in-out": d3_ease_reflect,
-  "out-in": function(f) { return d3_ease_reflect(d3_ease_reverse(f)); }
-});
-
-d3.ease = function(name) {
-  var i = name.indexOf("-"),
-      t = i >= 0 ? name.substring(0, i) : name,
-      m = i >= 0 ? name.substring(i + 1) : "in";
-  t = d3_ease.get(t) || d3_ease_default;
-  m = d3_ease_mode.get(m) || d3_ease_identity;
-  return d3_ease_clamp(m(t.apply(null, Array.prototype.slice.call(arguments, 1))));
-};
-
-function d3_ease_clamp(f) {
-  return function(t) {
-    return t <= 0 ? 0 : t >= 1 ? 1 : f(t);
-  };
-}
-
-function d3_ease_reverse(f) {
-  return function(t) {
-    return 1 - f(1 - t);
-  };
-}
-
-function d3_ease_reflect(f) {
-  return function(t) {
-    return .5 * (t < .5 ? f(2 * t) : (2 - f(2 - 2 * t)));
-  };
-}
-
-function d3_ease_identity(t) {
-  return t;
-}
-
-function d3_ease_poly(e) {
-  return function(t) {
-    return Math.pow(t, e);
-  };
-}
-
-function d3_ease_sin(t) {
-  return 1 - Math.cos(t * Math.PI / 2);
-}
-
-function d3_ease_exp(t) {
-  return Math.pow(2, 10 * (t - 1));
-}
-
-function d3_ease_circle(t) {
-  return 1 - Math.sqrt(1 - t * t);
-}
-
-function d3_ease_elastic(a, p) {
-  var s;
-  if (arguments.length < 2) p = 0.45;
-  if (arguments.length < 1) { a = 1; s = p / 4; }
-  else s = p / (2 * Math.PI) * Math.asin(1 / a);
-  return function(t) {
-    return 1 + a * Math.pow(2, 10 * -t) * Math.sin((t - s) * 2 * Math.PI / p);
-  };
-}
-
-function d3_ease_back(s) {
-  if (!s) s = 1.70158;
-  return function(t) {
-    return t * t * ((s + 1) * t - s);
-  };
-}
-
-function d3_ease_bounce(t) {
-  return t < 1 / 2.75 ? 7.5625 * t * t
-      : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75
-      : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375
-      : 7.5625 * (t -= 2.625 / 2.75) * t + .984375;
-}
-d3.event = null;
-
-function d3_eventCancel() {
-  d3.event.stopPropagation();
-  d3.event.preventDefault();
-}
-
-function d3_eventSource() {
-  var e = d3.event, s;
-  while (s = e.sourceEvent) e = s;
-  return e;
-}
-
-// Like d3.dispatch, but for custom events abstracting native UI events. These
-// events have a target component (such as a brush), a target element (such as
-// the svg:g element containing the brush) and the standard arguments `d` (the
-// target element's data) and `i` (the selection index of the target element).
-function d3_eventDispatch(target) {
-  var dispatch = new d3_dispatch,
-      i = 0,
-      n = arguments.length;
-
-  while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
-
-  // Creates a dispatch context for the specified `thiz` (typically, the target
-  // DOM element that received the source event) and `argumentz` (typically, the
-  // data `d` and index `i` of the target element). The returned function can be
-  // used to dispatch an event to any registered listeners; the function takes a
-  // single argument as input, being the event to dispatch. The event must have
-  // a "type" attribute which corresponds to a type registered in the
-  // constructor. This context will automatically populate the "sourceEvent" and
-  // "target" attributes of the event, as well as setting the `d3.event` global
-  // for the duration of the notification.
-  dispatch.of = function(thiz, argumentz) {
-    return function(e1) {
-      try {
-        var e0 =
-        e1.sourceEvent = d3.event;
-        e1.target = target;
-        d3.event = e1;
-        dispatch[e1.type].apply(thiz, argumentz);
-      } finally {
-        d3.event = e0;
-      }
-    };
-  };
-
-  return dispatch;
-}
-d3.interpolate = function(a, b) {
-  var i = d3.interpolators.length, f;
-  while (--i >= 0 && !(f = d3.interpolators[i](a, b)));
-  return f;
-};
-
-d3.interpolateNumber = function(a, b) {
-  b -= a;
-  return function(t) { return a + b * t; };
-};
-
-d3.interpolateRound = function(a, b) {
-  b -= a;
-  return function(t) { return Math.round(a + b * t); };
-};
-
-d3.interpolateString = function(a, b) {
-  var m, // current match
-      i, // current index
-      j, // current index (for coallescing)
-      s0 = 0, // start index of current string prefix
-      s1 = 0, // end index of current string prefix
-      s = [], // string constants and placeholders
-      q = [], // number interpolators
-      n, // q.length
-      o;
-
-  // Reset our regular expression!
-  d3_interpolate_number.lastIndex = 0;
-
-  // Find all numbers in b.
-  for (i = 0; m = d3_interpolate_number.exec(b); ++i) {
-    if (m.index) s.push(b.substring(s0, s1 = m.index));
-    q.push({i: s.length, x: m[0]});
-    s.push(null);
-    s0 = d3_interpolate_number.lastIndex;
-  }
-  if (s0 < b.length) s.push(b.substring(s0));
-
-  // Find all numbers in a.
-  for (i = 0, n = q.length; (m = d3_interpolate_number.exec(a)) && i < n; ++i) {
-    o = q[i];
-    if (o.x == m[0]) { // The numbers match, so coallesce.
-      if (o.i) {
-        if (s[o.i + 1] == null) { // This match is followed by another number.
-          s[o.i - 1] += o.x;
-          s.splice(o.i, 1);
-          for (j = i + 1; j < n; ++j) q[j].i--;
-        } else { // This match is followed by a string, so coallesce twice.
-          s[o.i - 1] += o.x + s[o.i + 1];
-          s.splice(o.i, 2);
-          for (j = i + 1; j < n; ++j) q[j].i -= 2;
-        }
-      } else {
-          if (s[o.i + 1] == null) { // This match is followed by another number.
-          s[o.i] = o.x;
-        } else { // This match is followed by a string, so coallesce twice.
-          s[o.i] = o.x + s[o.i + 1];
-          s.splice(o.i + 1, 1);
-          for (j = i + 1; j < n; ++j) q[j].i--;
-        }
-      }
-      q.splice(i, 1);
-      n--;
-      i--;
-    } else {
-      o.x = d3.interpolateNumber(parseFloat(m[0]), parseFloat(o.x));
-    }
-  }
-
-  // Remove any numbers in b not found in a.
-  while (i < n) {
-    o = q.pop();
-    if (s[o.i + 1] == null) { // This match is followed by another number.
-      s[o.i] = o.x;
-    } else { // This match is followed by a string, so coallesce twice.
-      s[o.i] = o.x + s[o.i + 1];
-      s.splice(o.i + 1, 1);
-    }
-    n--;
-  }
-
-  // Special optimization for only a single match.
-  if (s.length === 1) {
-    return s[0] == null ? q[0].x : function() { return b; };
-  }
-
-  // Otherwise, interpolate each of the numbers and rejoin the string.
-  return function(t) {
-    for (i = 0; i < n; ++i) s[(o = q[i]).i] = o.x(t);
-    return s.join("");
-  };
-};
-
-d3.interpolateTransform = function(a, b) {
-  var s = [], // string constants and placeholders
-      q = [], // number interpolators
-      n,
-      A = d3.transform(a),
-      B = d3.transform(b),
-      ta = A.translate,
-      tb = B.translate,
-      ra = A.rotate,
-      rb = B.rotate,
-      wa = A.skew,
-      wb = B.skew,
-      ka = A.scale,
-      kb = B.scale;
-
-  if (ta[0] != tb[0] || ta[1] != tb[1]) {
-    s.push("translate(", null, ",", null, ")");
-    q.push({i: 1, x: d3.interpolateNumber(ta[0], tb[0])}, {i: 3, x: d3.interpolateNumber(ta[1], tb[1])});
-  } else if (tb[0] || tb[1]) {
-    s.push("translate(" + tb + ")");
-  } else {
-    s.push("");
-  }
-
-  if (ra != rb) {
-    q.push({i: s.push(s.pop() + "rotate(", null, ")") - 2, x: d3.interpolateNumber(ra, rb)});
-  } else if (rb) {
-    s.push(s.pop() + "rotate(" + rb + ")");
-  }
-
-  if (wa != wb) {
-    q.push({i: s.push(s.pop() + "skewX(", null, ")") - 2, x: d3.interpolateNumber(wa, wb)});
-  } else if (wb) {
-    s.push(s.pop() + "skewX(" + wb + ")");
-  }
-
-  if (ka[0] != kb[0] || ka[1] != kb[1]) {
-    n = s.push(s.pop() + "scale(", null, ",", null, ")");
-    q.push({i: n - 4, x: d3.interpolateNumber(ka[0], kb[0])}, {i: n - 2, x: d3.interpolateNumber(ka[1], kb[1])});
-  } else if (kb[0] != 1 || kb[1] != 1) {
-    s.push(s.pop() + "scale(" + kb + ")");
-  }
-
-  n = q.length;
-  return function(t) {
-    var i = -1, o;
-    while (++i < n) s[(o = q[i]).i] = o.x(t);
-    return s.join("");
-  };
-};
-
-d3.interpolateRgb = function(a, b) {
-  a = d3.rgb(a);
-  b = d3.rgb(b);
-  var ar = a.r,
-      ag = a.g,
-      ab = a.b,
-      br = b.r - ar,
-      bg = b.g - ag,
-      bb = b.b - ab;
-  return function(t) {
-    return "#"
-        + d3_rgb_hex(Math.round(ar + br * t))
-        + d3_rgb_hex(Math.round(ag + bg * t))
-        + d3_rgb_hex(Math.round(ab + bb * t));
-  };
-};
-
-// interpolates HSL space, but outputs RGB string (for compatibility)
-d3.interpolateHsl = function(a, b) {
-  a = d3.hsl(a);
-  b = d3.hsl(b);
-  var h0 = a.h,
-      s0 = a.s,
-      l0 = a.l,
-      h1 = b.h - h0,
-      s1 = b.s - s0,
-      l1 = b.l - l0;
-  return function(t) {
-    return d3_hsl_rgb(h0 + h1 * t, s0 + s1 * t, l0 + l1 * t).toString();
-  };
-};
-
-d3.interpolateArray = function(a, b) {
-  var x = [],
-      c = [],
-      na = a.length,
-      nb = b.length,
-      n0 = Math.min(a.length, b.length),
-      i;
-  for (i = 0; i < n0; ++i) x.push(d3.interpolate(a[i], b[i]));
-  for (; i < na; ++i) c[i] = a[i];
-  for (; i < nb; ++i) c[i] = b[i];
-  return function(t) {
-    for (i = 0; i < n0; ++i) c[i] = x[i](t);
-    return c;
-  };
-};
-
-d3.interpolateObject = function(a, b) {
-  var i = {},
-      c = {},
-      k;
-  for (k in a) {
-    if (k in b) {
-      i[k] = d3_interpolateByName(k)(a[k], b[k]);
-    } else {
-      c[k] = a[k];
-    }
-  }
-  for (k in b) {
-    if (!(k in a)) {
-      c[k] = b[k];
-    }
-  }
-  return function(t) {
-    for (k in i) c[k] = i[k](t);
-    return c;
-  };
-}
-
-var d3_interpolate_number = /[-+]?(?:\d*\.?\d+)(?:[eE][-+]?\d+)?/g;
-
-function d3_interpolateByName(n) {
-  return n == "transform"
-      ? d3.interpolateTransform
-      : d3.interpolate;
-}
-
-d3.interpolators = [
-  d3.interpolateObject,
-  function(a, b) { return (b instanceof Array) && d3.interpolateArray(a, b); },
-  function(a, b) { return (typeof a === "string" || typeof b === "string") && d3.interpolateString(a + "", b + ""); },
-  function(a, b) { return (typeof b === "string" ? d3_rgb_names.has(b) || /^(#|rgb\(|hsl\()/.test(b) : b instanceof d3_Rgb || b instanceof d3_Hsl) && d3.interpolateRgb(a, b); },
-  function(a, b) { return !isNaN(a = +a) && !isNaN(b = +b) && d3.interpolateNumber(a, b); }
-];
-function d3_uninterpolateNumber(a, b) {
-  b = b - (a = +a) ? 1 / (b - a) : 0;
-  return function(x) { return (x - a) * b; };
-}
-
-function d3_uninterpolateClamp(a, b) {
-  b = b - (a = +a) ? 1 / (b - a) : 0;
-  return function(x) { return Math.max(0, Math.min(1, (x - a) * b)); };
-}
-d3.rgb = function(r, g, b) {
-  return arguments.length === 1
-      ? (r instanceof d3_Rgb ? d3_rgb(r.r, r.g, r.b)
-      : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb))
-      : d3_rgb(~~r, ~~g, ~~b);
-};
-
-function d3_rgb(r, g, b) {
-  return new d3_Rgb(r, g, b);
-}
-
-function d3_Rgb(r, g, b) {
-  this.r = r;
-  this.g = g;
-  this.b = b;
-}
-
-d3_Rgb.prototype.brighter = function(k) {
-  k = Math.pow(0.7, arguments.length ? k : 1);
-  var r = this.r,
-      g = this.g,
-      b = this.b,
-      i = 30;
-  if (!r && !g && !b) return d3_rgb(i, i, i);
-  if (r && r < i) r = i;
-  if (g && g < i) g = i;
-  if (b && b < i) b = i;
-  return d3_rgb(
-      Math.min(255, Math.floor(r / k)),
-      Math.min(255, Math.floor(g / k)),
-      Math.min(255, Math.floor(b / k)));
-};
-
-d3_Rgb.prototype.darker = function(k) {
-  k = Math.pow(0.7, arguments.length ? k : 1);
-  return d3_rgb(
-      Math.floor(k * this.r),
-      Math.floor(k * this.g),
-      Math.floor(k * this.b));
-};
-
-d3_Rgb.prototype.hsl = function() {
-  return d3_rgb_hsl(this.r, this.g, this.b);
-};
-
-d3_Rgb.prototype.toString = function() {
-  return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b);
-};
-
-function d3_rgb_hex(v) {
-  return v < 0x10
-      ? "0" + Math.max(0, v).toString(16)
-      : Math.min(255, v).toString(16);
-}
-
-function d3_rgb_parse(format, rgb, hsl) {
-  var r = 0, // red channel; int in [0, 255]
-      g = 0, // green channel; int in [0, 255]
-      b = 0, // blue channel; int in [0, 255]
-      m1, // CSS color specification match
-      m2, // CSS color specification type (e.g., rgb)
-      name;
-
-  /* Handle hsl, rgb. */
-  m1 = /([a-z]+)\((.*)\)/i.exec(format);
-  if (m1) {
-    m2 = m1[2].split(",");
-    switch (m1[1]) {
-      case "hsl": {
-        return hsl(
-          parseFloat(m2[0]), // degrees
-          parseFloat(m2[1]) / 100, // percentage
-          parseFloat(m2[2]) / 100 // percentage
-        );
-      }
-      case "rgb": {
-        return rgb(
-          d3_rgb_parseNumber(m2[0]),
-          d3_rgb_parseNumber(m2[1]),
-          d3_rgb_parseNumber(m2[2])
-        );
-      }
-    }
-  }
-
-  /* Named colors. */
-  if (name = d3_rgb_names.get(format)) return rgb(name.r, name.g, name.b);
-
-  /* Hexadecimal colors: #rgb and #rrggbb. */
-  if (format != null && format.charAt(0) === "#") {
-    if (format.length === 4) {
-      r = format.charAt(1); r += r;
-      g = format.charAt(2); g += g;
-      b = format.charAt(3); b += b;
-    } else if (format.length === 7) {
-      r = format.substring(1, 3);
-      g = format.substring(3, 5);
-      b = format.substring(5, 7);
-    }
-    r = parseInt(r, 16);
-    g = parseInt(g, 16);
-    b = parseInt(b, 16);
-  }
-
-  return rgb(r, g, b);
-}
-
-function d3_rgb_hsl(r, g, b) {
-  var min = Math.min(r /= 255, g /= 255, b /= 255),
-      max = Math.max(r, g, b),
-      d = max - min,
-      h,
-      s,
-      l = (max + min) / 2;
-  if (d) {
-    s = l < .5 ? d / (max + min) : d / (2 - max - min);
-    if (r == max) h = (g - b) / d + (g < b ? 6 : 0);
-    else if (g == max) h = (b - r) / d + 2;
-    else h = (r - g) / d + 4;
-    h *= 60;
-  } else {
-    s = h = 0;
-  }
-  return d3_hsl(h, s, l);
-}
-
-function d3_rgb_parseNumber(c) { // either integer or percentage
-  var f = parseFloat(c);
-  return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f;
-}
-
-var d3_rgb_names = d3.map({
-  aliceblue: "#f0f8ff",
-  antiquewhite: "#faebd7",
-  aqua: "#00ffff",
-  aquamarine: "#7fffd4",
-  azure: "#f0ffff",
-  beige: "#f5f5dc",
-  bisque: "#ffe4c4",
-  black: "#000000",
-  blanchedalmond: "#ffebcd",
-  blue: "#0000ff",
-  blueviolet: "#8a2be2",
-  brown: "#a52a2a",
-  burlywood: "#deb887",
-  cadetblue: "#5f9ea0",
-  chartreuse: "#7fff00",
-  chocolate: "#d2691e",
-  coral: "#ff7f50",
-  cornflowerblue: "#6495ed",
-  cornsilk: "#fff8dc",
-  crimson: "#dc143c",
-  cyan: "#00ffff",
-  darkblue: "#00008b",
-  darkcyan: "#008b8b",
-  darkgoldenrod: "#b8860b",
-  darkgray: "#a9a9a9",
-  darkgreen: "#006400",
-  darkgrey: "#a9a9a9",
-  darkkhaki: "#bdb76b",
-  darkmagenta: "#8b008b",
-  darkolivegreen: "#556b2f",
-  darkorange: "#ff8c00",
-  darkorchid: "#9932cc",
-  darkred: "#8b0000",
-  darksalmon: "#e9967a",
-  darkseagreen: "#8fbc8f",
-  darkslateblue: "#483d8b",
-  darkslategray: "#2f4f4f",
-  darkslategrey: "#2f4f4f",
-  darkturquoise: "#00ced1",
-  darkviolet: "#9400d3",
-  deeppink: "#ff1493",
-  deepskyblue: "#00bfff",
-  dimgray: "#696969",
-  dimgrey: "#696969",
-  dodgerblue: "#1e90ff",
-  firebrick: "#b22222",
-  floralwhite: "#fffaf0",
-  forestgreen: "#228b22",
-  fuchsia: "#ff00ff",
-  gainsboro: "#dcdcdc",
-  ghostwhite: "#f8f8ff",
-  gold: "#ffd700",
-  goldenrod: "#daa520",
-  gray: "#808080",
-  green: "#008000",
-  greenyellow: "#adff2f",
-  grey: "#808080",
-  honeydew: "#f0fff0",
-  hotpink: "#ff69b4",
-  indianred: "#cd5c5c",
-  indigo: "#4b0082",
-  ivory: "#fffff0",
-  khaki: "#f0e68c",
-  lavender: "#e6e6fa",
-  lavenderblush: "#fff0f5",
-  lawngreen: "#7cfc00",
-  lemonchiffon: "#fffacd",
-  lightblue: "#add8e6",
-  lightcoral: "#f08080",
-  lightcyan: "#e0ffff",
-  lightgoldenrodyellow: "#fafad2",
-  lightgray: "#d3d3d3",
-  lightgreen: "#90ee90",
-  lightgrey: "#d3d3d3",
-  lightpink: "#ffb6c1",
-  lightsalmon: "#ffa07a",
-  lightseagreen: "#20b2aa",
-  lightskyblue: "#87cefa",
-  lightslategray: "#778899",
-  lightslategrey: "#778899",
-  lightsteelblue: "#b0c4de",
-  lightyellow: "#ffffe0",
-  lime: "#00ff00",
-  limegreen: "#32cd32",
-  linen: "#faf0e6",
-  magenta: "#ff00ff",
-  maroon: "#800000",
-  mediumaquamarine: "#66cdaa",
-  mediumblue: "#0000cd",
-  mediumorchid: "#ba55d3",
-  mediumpurple: "#9370db",
-  mediumseagreen: "#3cb371",
-  mediumslateblue: "#7b68ee",
-  mediumspringgreen: "#00fa9a",
-  mediumturquoise: "#48d1cc",
-  mediumvioletred: "#c71585",
-  midnightblue: "#191970",
-  mintcream: "#f5fffa",
-  mistyrose: "#ffe4e1",
-  moccasin: "#ffe4b5",
-  navajowhite: "#ffdead",
-  navy: "#000080",
-  oldlace: "#fdf5e6",
-  olive: "#808000",
-  olivedrab: "#6b8e23",
-  orange: "#ffa500",
-  orangered: "#ff4500",
-  orchid: "#da70d6",
-  palegoldenrod: "#eee8aa",
-  palegreen: "#98fb98",
-  paleturquoise: "#afeeee",
-  palevioletred: "#db7093",
-  papayawhip: "#ffefd5",
-  peachpuff: "#ffdab9",
-  peru: "#cd853f",
-  pink: "#ffc0cb",
-  plum: "#dda0dd",
-  powderblue: "#b0e0e6",
-  purple: "#800080",
-  red: "#ff0000",
-  rosybrown: "#bc8f8f",
-  royalblue: "#4169e1",
-  saddlebrown: "#8b4513",
-  salmon: "#fa8072",
-  sandybrown: "#f4a460",
-  seagreen: "#2e8b57",
-  seashell: "#fff5ee",
-  sienna: "#a0522d",
-  silver: "#c0c0c0",
-  skyblue: "#87ceeb",
-  slateblue: "#6a5acd",
-  slategray: "#708090",
-  slategrey: "#708090",
-  snow: "#fffafa",
-  springgreen: "#00ff7f",
-  steelblue: "#4682b4",
-  tan: "#d2b48c",
-  teal: "#008080",
-  thistle: "#d8bfd8",
-  tomato: "#ff6347",
-  turquoise: "#40e0d0",
-  violet: "#ee82ee",
-  wheat: "#f5deb3",
-  white: "#ffffff",
-  whitesmoke: "#f5f5f5",
-  yellow: "#ffff00",
-  yellowgreen: "#9acd32"
-});
-
-d3_rgb_names.forEach(function(key, value) {
-  d3_rgb_names.set(key, d3_rgb_parse(value, d3_rgb, d3_hsl_rgb));
-});
-d3.hsl = function(h, s, l) {
-  return arguments.length === 1
-      ? (h instanceof d3_Hsl ? d3_hsl(h.h, h.s, h.l)
-      : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl))
-      : d3_hsl(+h, +s, +l);
-};
-
-function d3_hsl(h, s, l) {
-  return new d3_Hsl(h, s, l);
-}
-
-function d3_Hsl(h, s, l) {
-  this.h = h;
-  this.s = s;
-  this.l = l;
-}
-
-d3_Hsl.prototype.brighter = function(k) {
-  k = Math.pow(0.7, arguments.length ? k : 1);
-  return d3_hsl(this.h, this.s, this.l / k);
-};
-
-d3_Hsl.prototype.darker = function(k) {
-  k = Math.pow(0.7, arguments.length ? k : 1);
-  return d3_hsl(this.h, this.s, k * this.l);
-};
-
-d3_Hsl.prototype.rgb = function() {
-  return d3_hsl_rgb(this.h, this.s, this.l);
-};
-
-d3_Hsl.prototype.toString = function() {
-  return this.rgb().toString();
-};
-
-function d3_hsl_rgb(h, s, l) {
-  var m1,
-      m2;
-
-  /* Some simple corrections for h, s and l. */
-  h = h % 360; if (h < 0) h += 360;
-  s = s < 0 ? 0 : s > 1 ? 1 : s;
-  l = l < 0 ? 0 : l > 1 ? 1 : l;
-
-  /* From FvD 13.37, CSS Color Module Level 3 */
-  m2 = l <= .5 ? l * (1 + s) : l + s - l * s;
-  m1 = 2 * l - m2;
-
-  function v(h) {
-    if (h > 360) h -= 360;
-    else if (h < 0) h += 360;
-    if (h < 60) return m1 + (m2 - m1) * h / 60;
-    if (h < 180) return m2;
-    if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60;
-    return m1;
-  }
-
-  function vv(h) {
-    return Math.round(v(h) * 255);
-  }
-
-  return d3_rgb(vv(h + 120), vv(h), vv(h - 120));
-}
-function d3_selection(groups) {
-  d3_arraySubclass(groups, d3_selectionPrototype);
-  return groups;
-}
-
-var d3_select = function(s, n) { return n.querySelector(s); },
-    d3_selectAll = function(s, n) { return n.querySelectorAll(s); },
-    d3_selectRoot = document.documentElement,
-    d3_selectMatcher = d3_selectRoot.matchesSelector || d3_selectRoot.webkitMatchesSelector || d3_selectRoot.mozMatchesSelector || d3_selectRoot.msMatchesSelector || d3_selectRoot.oMatchesSelector,
-    d3_selectMatches = function(n, s) { return d3_selectMatcher.call(n, s); };
-
-// Prefer Sizzle, if available.
-if (typeof Sizzle === "function") {
-  d3_select = function(s, n) { return Sizzle(s, n)[0]; };
-  d3_selectAll = function(s, n) { return Sizzle.uniqueSort(Sizzle(s, n)); };
-  d3_selectMatches = Sizzle.matchesSelector;
-}
-
-var d3_selectionPrototype = [];
-
-d3.selection = function() {
-  return d3_selectionRoot;
-};
-
-d3.selection.prototype = d3_selectionPrototype;
-d3_selectionPrototype.select = function(selector) {
-  var subgroups = [],
-      subgroup,
-      subnode,
-      group,
-      node;
-
-  if (typeof selector !== "function") selector = d3_selection_selector(selector);
-
-  for (var j = -1, m = this.length; ++j < m;) {
-    subgroups.push(subgroup = []);
-    subgroup.parentNode = (group = this[j]).parentNode;
-    for (var i = -1, n = group.length; ++i < n;) {
-      if (node = group[i]) {
-        subgroup.push(subnode = selector.call(node, node.__data__, i));
-        if (subnode && "__data__" in node) subnode.__data__ = node.__data__;
-      } else {
-        subgroup.push(null);
-      }
-    }
-  }
-
-  return d3_selection(subgroups);
-};
-
-function d3_selection_selector(selector) {
-  return function() {
-    return d3_select(selector, this);
-  };
-}
-d3_selectionPrototype.selectAll = function(selector) {
-  var subgroups = [],
-      subgroup,
-      node;
-
-  if (typeof selector !== "function") selector = d3_selection_selectorAll(selector);
-
-  for (var j = -1, m = this.length; ++j < m;) {
-    for (var group = this[j], i = -1, n = group.length; ++i < n;) {
-      if (node = group[i]) {
-        subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i)));
-        subgroup.parentNode = node;
-      }
-    }
-  }
-
-  return d3_selection(subgroups);
-};
-
-function d3_selection_selectorAll(selector) {
-  return function() {
-    return d3_selectAll(selector, this);
-  };
-}
-d3_selectionPrototype.attr = function(name, value) {
-  name = d3.ns.qualify(name);
-
-  // If no value is specified, return the first value.
-  if (arguments.length < 2) {
-    var node = this.node();
-    return name.local
-        ? node.getAttributeNS(name.space, name.local)
-        : node.getAttribute(name);
-  }
-
-  function attrNull() {
-    this.removeAttribute(name);
-  }
-
-  function attrNullNS() {
-    this.removeAttributeNS(name.space, name.local);
-  }
-
-  function attrConstant() {
-    this.setAttribute(name, value);
-  }
-
-  function attrConstantNS() {
-    this.setAttributeNS(name.space, name.local, value);
-  }
-
-  function attrFunction() {
-    var x = value.apply(this, arguments);
-    if (x == null) this.removeAttribute(name);
-    else this.setAttribute(name, x);
-  }
-
-  function attrFunctionNS() {
-    var x = value.apply(this, arguments);
-    if (x == null) this.removeAttributeNS(name.space, name.local);
-    else this.setAttributeNS(name.space, name.local, x);
-  }
-
-  return this.each(value == null
-      ? (name.local ? attrNullNS : attrNull) : (typeof value === "function"
-      ? (name.local ? attrFunctionNS : attrFunction)
-      : (name.local ? attrConstantNS : attrConstant)));
-};
-d3_selectionPrototype.classed = function(name, value) {
-  var names = name.split(d3_selection_classedWhitespace),
-      n = names.length,
-      i = -1;
-  if (arguments.length > 1) {
-    while (++i < n) d3_selection_classed.call(this, names[i], value);
-    return this;
-  } else {
-    while (++i < n) if (!d3_selection_classed.call(this, names[i])) return false;
-    return true;
-  }
-};
-
-var d3_selection_classedWhitespace = /\s+/g;
-
-function d3_selection_classed(name, value) {
-  var re = new RegExp("(^|\\s+)" + d3.requote(name) + "(\\s+|$)", "g");
-
-  // If no value is specified, return the first value.
-  if (arguments.length < 2) {
-    var node = this.node();
-    if (c = node.classList) return c.contains(name);
-    var c = node.className;
-    re.lastIndex = 0;
-    return re.test(c.baseVal != null ? c.baseVal : c);
-  }
-
-  function classedAdd() {
-    if (c = this.classList) return c.add(name);
-    var c = this.className,
-        cb = c.baseVal != null,
-        cv = cb ? c.baseVal : c;
-    re.lastIndex = 0;
-    if (!re.test(cv)) {
-      cv = d3_collapse(cv + " " + name);
-      if (cb) c.baseVal = cv;
-      else this.className = cv;
-    }
-  }
-
-  function classedRemove() {
-    if (c = this.classList) return c.remove(name);
-    var c = this.className,
-        cb = c.baseVal != null,
-        cv = cb ? c.baseVal : c;
-    cv = d3_collapse(cv.replace(re, " "));
-    if (cb) c.baseVal = cv;
-    else this.className = cv;
-  }
-
-  function classedFunction() {
-    (value.apply(this, arguments)
-        ? classedAdd
-        : classedRemove).call(this);
-  }
-
-  return this.each(typeof value === "function"
-      ? classedFunction : value
-      ? classedAdd
-      : classedRemove);
-}
-d3_selectionPrototype.style = function(name, value, priority) {
-  if (arguments.length < 3) priority = "";
-
-  // If no value is specified, return the first value.
-  if (arguments.length < 2) return window
-      .getComputedStyle(this.node(), null)
-      .getPropertyValue(name);
-
-  function styleNull() {
-    this.style.removeProperty(name);
-  }
-
-  function styleConstant() {
-    this.style.setProperty(name, value, priority);
-  }
-
-  function styleFunction() {
-    var x = value.apply(this, arguments);
-    if (x == null) this.style.removeProperty(name);
-    else this.style.setProperty(name, x, priority);
-  }
-
-  return this.each(value == null
-      ? styleNull : (typeof value === "function"
-      ? styleFunction : styleConstant));
-};
-d3_selectionPrototype.property = function(name, value) {
-
-  // If no value is specified, return the first value.
-  if (arguments.length < 2) return this.node()[name];
-
-  function propertyNull() {
-    delete this[name];
-  }
-
-  function propertyConstant() {
-    this[name] = value;
-  }
-
-  function propertyFunction() {
-    var x = value.apply(this, arguments);
-    if (x == null) delete this[name];
-    else this[name] = x;
-  }
-
-  return this.each(value == null
-      ? propertyNull : (typeof value === "function"
-      ? propertyFunction : propertyConstant));
-};
-d3_selectionPrototype.text = function(value) {
-  return arguments.length < 1
-      ? this.node().textContent : this.each(typeof value === "function"
-      ? function() { var v = value.apply(this, arguments); this.textContent = v == null ? "" : v; } : value == null
-      ? function() { this.textContent = ""; }
-      : function() { this.textContent = value; });
-};
-d3_selectionPrototype.html = function(value) {
-  return arguments.length < 1
-      ? this.node().innerHTML : this.each(typeof value === "function"
-      ? function() { var v = value.apply(this, arguments); this.innerHTML = v == null ? "" : v; } : value == null
-      ? function() { this.innerHTML = ""; }
-      : function() { this.innerHTML = value; });
-};
-// TODO append(node)?
-// TODO append(function)?
-d3_selectionPrototype.append = function(name) {
-  name = d3.ns.qualify(name);
-
-  function append() {
-    return this.appendChild(document.createElementNS(this.namespaceURI, name));
-  }
-
-  function appendNS() {
-    return this.appendChild(document.createElementNS(name.space, name.local));
-  }
-
-  return this.select(name.local ? appendNS : append);
-};
-// TODO insert(node, function)?
-// TODO insert(function, string)?
-// TODO insert(function, function)?
-d3_selectionPrototype.insert = function(name, before) {
-  name = d3.ns.qualify(name);
-
-  function insert() {
-    return this.insertBefore(
-        document.createElementNS(this.namespaceURI, name),
-        d3_select(before, this));
-  }
-
-  function insertNS() {
-    return this.insertBefore(
-        document.createElementNS(name.space, name.local),
-        d3_select(before, this));
-  }
-
-  return this.select(name.local ? insertNS : insert);
-};
-// TODO remove(selector)?
-// TODO remove(node)?
-// TODO remove(function)?
-d3_selectionPrototype.remove = function() {
-  return this.each(function() {
-    var parent = this.parentNode;
-    if (parent) parent.removeChild(this);
-  });
-};
-d3_selectionPrototype.data = function(value, key) {
-  var i = -1,
-      n = this.length,
-      group,
-      node;
-
-  // If no value is specified, return the first value.
-  if (!arguments.length) {
-    value = new Array(n = (group = this[0]).length);
-    while (++i < n) {
-      if (node = group[i]) {
-        value[i] = node.__data__;
-      }
-    }
-    return value;
-  }
-
-  function bind(group, groupData) {
-    var i,
-        n = group.length,
-        m = groupData.length,
-        n0 = Math.min(n, m),
-        n1 = Math.max(n, m),
-        updateNodes = [],
-        enterNodes = [],
-        exitNodes = [],
-        node,
-        nodeData;
-
-    if (key) {
-      var nodeByKeyValue = new d3_Map,
-          keyValues = [],
-          keyValue,
-          j = groupData.length;
-
-      for (i = -1; ++i < n;) {
-        keyValue = key.call(node = group[i], node.__data__, i);
-        if (nodeByKeyValue.has(keyValue)) {
-          exitNodes[j++] = node; // duplicate key
-        } else {
-          nodeByKeyValue.set(keyValue, node);
-        }
-        keyValues.push(keyValue);
-      }
-
-      for (i = -1; ++i < m;) {
-        keyValue = key.call(groupData, nodeData = groupData[i], i)
-        if (nodeByKeyValue.has(keyValue)) {
-          updateNodes[i] = node = nodeByKeyValue.get(keyValue);
-          node.__data__ = nodeData;
-          enterNodes[i] = exitNodes[i] = null;
-        } else {
-          enterNodes[i] = d3_selection_dataNode(nodeData);
-          updateNodes[i] = exitNodes[i] = null;
-        }
-        nodeByKeyValue.remove(keyValue);
-      }
-
-      for (i = -1; ++i < n;) {
-        if (nodeByKeyValue.has(keyValues[i])) {
-          exitNodes[i] = group[i];
-        }
-      }
-    } else {
-      for (i = -1; ++i < n0;) {
-        node = group[i];
-        nodeData = groupData[i];
-        if (node) {
-          node.__data__ = nodeData;
-          updateNodes[i] = node;
-          enterNodes[i] = exitNodes[i] = null;
-        } else {
-          enterNodes[i] = d3_selection_dataNode(nodeData);
-          updateNodes[i] = exitNodes[i] = null;
-        }
-      }
-      for (; i < m; ++i) {
-        enterNodes[i] = d3_selection_dataNode(groupData[i]);
-        updateNodes[i] = exitNodes[i] = null;
-      }
-      for (; i < n1; ++i) {
-        exitNodes[i] = group[i];
-        enterNodes[i] = updateNodes[i] = null;
-      }
-    }
-
-    enterNodes.update
-        = updateNodes;
-
-    enterNodes.parentNode
-        = updateNodes.parentNode
-        = exitNodes.parentNode
-        = group.parentNode;
-
-    enter.push(enterNodes);
-    update.push(updateNodes);
-    exit.push(exitNodes);
-  }
-
-  var enter = d3_selection_enter([]),
-      update = d3_selection([]),
-      exit = d3_selection([]);
-
-  if (typeof value === "function") {
-    while (++i < n) {
-      bind(group = this[i], value.call(group, group.parentNode.__data__, i));
-    }
-  } else {
-    while (++i < n) {
-      bind(group = this[i], value);
-    }
-  }
-
-  update.enter = function() { return enter; };
-  update.exit = function() { return exit; };
-  return update;
-};
-
-function d3_selection_dataNode(data) {
-  return {__data__: data};
-}
-d3_selectionPrototype.datum =
-d3_selectionPrototype.map = function(value) {
-  return arguments.length < 1
-      ? this.property("__data__")
-      : this.property("__data__", value);
-};
-d3_selectionPrototype.filter = function(filter) {
-  var subgroups = [],
-      subgroup,
-      group,
-      node;
-
-  if (typeof filter !== "function") filter = d3_selection_filter(filter);
-
-  for (var j = 0, m = this.length; j < m; j++) {
-    subgroups.push(subgroup = []);
-    subgroup.parentNode = (group = this[j]).parentNode;
-    for (var i = 0, n = group.length; i < n; i++) {
-      if ((node = group[i]) && filter.call(node, node.__data__, i)) {
-        subgroup.push(node);
-      }
-    }
-  }
-
-  return d3_selection(subgroups);
-};
-
-function d3_selection_filter(selector) {
-  return function() {
-    return d3_selectMatches(this, selector);
-  };
-}
-d3_selectionPrototype.order = function() {
-  for (var j = -1, m = this.length; ++j < m;) {
-    for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0;) {
-      if (node = group[i]) {
-        if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next);
-        next = node;
-      }
-    }
-  }
-  return this;
-};
-d3_selectionPrototype.sort = function(comparator) {
-  comparator = d3_selection_sortComparator.apply(this, arguments);
-  for (var j = -1, m = this.length; ++j < m;) this[j].sort(comparator);
-  return this.order();
-};
-
-function d3_selection_sortComparator(comparator) {
-  if (!arguments.length) comparator = d3.ascending;
-  return function(a, b) {
-    return comparator(a && a.__data__, b && b.__data__);
-  };
-}
-// type can be namespaced, e.g., "click.foo"
-// listener can be null for removal
-d3_selectionPrototype.on = function(type, listener, capture) {
-  if (arguments.length < 3) capture = false;
-
-  // parse the type specifier
-  var name = "__on" + type, i = type.indexOf(".");
-  if (i > 0) type = type.substring(0, i);
-
-  // if called with only one argument, return the current listener
-  if (arguments.length < 2) return (i = this.node()[name]) && i._;
-
-  // remove the old event listener, and add the new event listener
-  return this.each(function(d, i) {
-    var node = this,
-        o = node[name];
-
-    // remove the old listener, if any (using the previously-set capture)
-    if (o) {
-      node.removeEventListener(type, o, o.$);
-      delete node[name];
-    }
-
-    // add the new listener, if any (remembering the capture flag)
-    if (listener) {
-      node.addEventListener(type, node[name] = l, l.$ = capture);
-      l._ = listener; // stash the unwrapped listener for get
-    }
-
-    // wrapped event listener that preserves i
-    function l(e) {
-      var o = d3.event; // Events can be reentrant (e.g., focus).
-      d3.event = e;
-      try {
-        listener.call(node, node.__data__, i);
-      } finally {
-        d3.event = o;
-      }
-    }
-  });
-};
-d3_selectionPrototype.each = function(callback) {
-  for (var j = -1, m = this.length; ++j < m;) {
-    for (var group = this[j], i = -1, n = group.length; ++i < n;) {
-      var node = group[i];
-      if (node) callback.call(node, node.__data__, i, j);
-    }
-  }
-  return this;
-};
-//
-// Note: assigning to the arguments array simultaneously changes the value of
-// the corresponding argument!
-//
-// TODO The `this` argument probably shouldn't be the first argument to the
-// callback, anyway, since it's redundant. However, that will require a major
-// version bump due to backwards compatibility, so I'm not changing it right
-// away.
-//
-d3_selectionPrototype.call = function(callback) {
-  callback.apply(this, (arguments[0] = this, arguments));
-  return this;
-};
-d3_selectionPrototype.empty = function() {
-  return !this.node();
-};
-d3_selectionPrototype.node = function(callback) {
-  for (var j = 0, m = this.length; j < m; j++) {
-    for (var group = this[j], i = 0, n = group.length; i < n; i++) {
-      var node = group[i];
-      if (node) return node;
-    }
-  }
-  return null;
-};
-d3_selectionPrototype.transition = function() {
-  var subgroups = [],
-      subgroup,
-      node;
-
-  for (var j = -1, m = this.length; ++j < m;) {
-    subgroups.push(subgroup = []);
-    for (var group = this[j], i = -1, n = group.length; ++i < n;) {
-      subgroup.push((node = group[i]) ? {node: node, delay: d3_transitionDelay, duration: d3_transitionDuration} : null);
-    }
-  }
-
-  return d3_transition(subgroups, d3_transitionId || ++d3_transitionNextId, Date.now());
-};
-var d3_selectionRoot = d3_selection([[document]]);
-
-d3_selectionRoot[0].parentNode = d3_selectRoot;
-
-// TODO fast singleton implementation!
-// TODO select(function)
-d3.select = function(selector) {
-  return typeof selector === "string"
-      ? d3_selectionRoot.select(selector)
-      : d3_selection([[selector]]); // assume node
-};
-
-// TODO selectAll(function)
-d3.selectAll = function(selector) {
-  return typeof selector === "string"
-      ? d3_selectionRoot.selectAll(selector)
-      : d3_selection([d3_array(selector)]); // assume node[]
-};
-function d3_selection_enter(selection) {
-  d3_arraySubclass(selection, d3_selection_enterPrototype);
-  return selection;
-}
-
-var d3_selection_enterPrototype = [];
-
-d3.selection.enter = d3_selection_enter;
-d3.selection.enter.prototype = d3_selection_enterPrototype;
-
-d3_selection_enterPrototype.append = d3_selectionPrototype.append;
-d3_selection_enterPrototype.insert = d3_selectionPrototype.insert;
-d3_selection_enterPrototype.empty = d3_selectionPrototype.empty;
-d3_selection_enterPrototype.node = d3_selectionPrototype.node;
-d3_selection_enterPrototype.select = function(selector) {
-  var subgroups = [],
-      subgroup,
-      subnode,
-      upgroup,
-      group,
-      node;
-
-  for (var j = -1, m = this.length; ++j < m;) {
-    upgroup = (group = this[j]).update;
-    subgroups.push(subgroup = []);
-    subgroup.parentNode = group.parentNode;
-    for (var i = -1, n = group.length; ++i < n;) {
-      if (node = group[i]) {
-        subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i));
-        subnode.__data__ = node.__data__;
-      } else {
-        subgroup.push(null);
-      }
-    }
-  }
-
-  return d3_selection(subgroups);
-};
-function d3_transition(groups, id, time) {
-  d3_arraySubclass(groups, d3_transitionPrototype);
-
-  var tweens = new d3_Map,
-      event = d3.dispatch("start", "end"),
-      ease = d3_transitionEase;
-
-  groups.id = id;
-
-  groups.time = time;
-
-  groups.tween = function(name, tween) {
-    if (arguments.length < 2) return tweens.get(name);
-    if (tween == null) tweens.remove(name);
-    else tweens.set(name, tween);
-    return groups;
-  };
-
-  groups.ease = function(value) {
-    if (!arguments.length) return ease;
-    ease = typeof value === "function" ? value : d3.ease.apply(d3, arguments);
-    return groups;
-  };
-
-  groups.each = function(type, listener) {
-    if (arguments.length < 2) return d3_transition_each.call(groups, type);
-    event.on(type, listener);
-    return groups;
-  };
-
-  d3.timer(function(elapsed) {
-    groups.each(function(d, i, j) {
-      var tweened = [],
-          node = this,
-          delay = groups[j][i].delay,
-          duration = groups[j][i].duration,
-          lock = node.__transition__ || (node.__transition__ = {active: 0, count: 0});
-
-      ++lock.count;
-
-      delay <= elapsed ? start(elapsed) : d3.timer(start, delay, time);
-
-      function start(elapsed) {
-        if (lock.active > id) return stop();
-        lock.active = id;
-
-        tweens.forEach(function(key, value) {
-          if (tween = value.call(node, d, i)) {
-            tweened.push(tween);
-          }
-        });
-
-        event.start.call(node, d, i);
-        if (!tick(elapsed)) d3.timer(tick, 0, time);
-        return 1;
-      }
-
-      function tick(elapsed) {
-        if (lock.active !== id) return stop();
-
-        var t = (elapsed - delay) / duration,
-            e = ease(t),
-            n = tweened.length;
-
-        while (n > 0) {
-          tweened[--n].call(node, e);
-        }
-
-        if (t >= 1) {
-          stop();
-          d3_transitionId = id;
-          event.end.call(node, d, i);
-          d3_transitionId = 0;
-          return 1;
-        }
-      }
-
-      function stop() {
-        if (!--lock.count) delete node.__transition__;
-        return 1;
-      }
-    });
-    return 1;
-  }, 0, time);
-
-  return groups;
-}
-
-var d3_transitionRemove = {};
-
-function d3_transitionNull(d, i, a) {
-  return a != "" && d3_transitionRemove;
-}
-
-function d3_transitionTween(name, b) {
-  var interpolate = d3_interpolateByName(name);
-
-  function transitionFunction(d, i, a) {
-    var v = b.call(this, d, i);
-    return v == null
-        ? a != "" && d3_transitionRemove
-        : a != v && interpolate(a, v);
-  }
-
-  function transitionString(d, i, a) {
-    return a != b && interpolate(a, b);
-  }
-
-  return typeof b === "function" ? transitionFunction
-      : b == null ? d3_transitionNull
-      : (b += "", transitionString);
-}
-
-var d3_transitionPrototype = [],
-    d3_transitionNextId = 0,
-    d3_transitionId = 0,
-    d3_transitionDefaultDelay = 0,
-    d3_transitionDefaultDuration = 250,
-    d3_transitionDefaultEase = d3.ease("cubic-in-out"),
-    d3_transitionDelay = d3_transitionDefaultDelay,
-    d3_transitionDuration = d3_transitionDefaultDuration,
-    d3_transitionEase = d3_transitionDefaultEase;
-
-d3_transitionPrototype.call = d3_selectionPrototype.call;
-
-d3.transition = function(selection) {
-  return arguments.length
-      ? (d3_transitionId ? selection.transition() : selection)
-      : d3_selectionRoot.transition();
-};
-
-d3.transition.prototype = d3_transitionPrototype;
-d3_transitionPrototype.select = function(selector) {
-  var subgroups = [],
-      subgroup,
-      subnode,
-      node;
-
-  if (typeof selector !== "function") selector = d3_selection_selector(selector);
-
-  for (var j = -1, m = this.length; ++j < m;) {
-    subgroups.push(subgroup = []);
-    for (var group = this[j], i = -1, n = group.length; ++i < n;) {
-      if ((node = group[i]) && (subnode = selector.call(node.node, node.node.__data__, i))) {
-        if ("__data__" in node.node) subnode.__data__ = node.node.__data__;
-        subgroup.push({node: subnode, delay: node.delay, duration: node.duration});
-      } else {
-        subgroup.push(null);
-      }
-    }
-  }
-
-  return d3_transition(subgroups, this.id, this.time).ease(this.ease());
-};
-d3_transitionPrototype.selectAll = function(selector) {
-  var subgroups = [],
-      subgroup,
-      subnodes,
-      node;
-
-  if (typeof selector !== "function") selector = d3_selection_selectorAll(selector);
-
-  for (var j = -1, m = this.length; ++j < m;) {
-    for (var group = this[j], i = -1, n = group.length; ++i < n;) {
-      if (node = group[i]) {
-        subnodes = selector.call(node.node, node.node.__data__, i);
-        subgroups.push(subgroup = []);
-        for (var k = -1, o = subnodes.length; ++k < o;) {
-          subgroup.push({node: subnodes[k], delay: node.delay, duration: node.duration});
-        }
-      }
-    }
-  }
-
-  return d3_transition(subgroups, this.id, this.time).ease(this.ease());
-};
-d3_transitionPrototype.attr = function(name, value) {
-  return this.attrTween(name, d3_transitionTween(name, value));
-};
-
-d3_transitionPrototype.attrTween = function(nameNS, tween) {
-  var name = d3.ns.qualify(nameNS);
-
-  function attrTween(d, i) {
-    var f = tween.call(this, d, i, this.getAttribute(name));
-    return f === d3_transitionRemove
-        ? (this.removeAttribute(name), null)
-        : f && function(t) { this.setAttribute(name, f(t)); };
-  }
-
-  function attrTweenNS(d, i) {
-    var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local));
-    return f === d3_transitionRemove
-        ? (this.removeAttributeNS(name.space, name.local), null)
-        : f && function(t) { this.setAttributeNS(name.space, name.local, f(t)); };
-  }
-
-  return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween);
-};
-d3_transitionPrototype.style = function(name, value, priority) {
-  if (arguments.length < 3) priority = "";
-  return this.styleTween(name, d3_transitionTween(name, value), priority);
-};
-
-d3_transitionPrototype.styleTween = function(name, tween, priority) {
-  if (arguments.length < 3) priority = "";
-  return this.tween("style." + name, function(d, i) {
-    var f = tween.call(this, d, i, window.getComputedStyle(this, null).getPropertyValue(name));
-    return f === d3_transitionRemove
-        ? (this.style.removeProperty(name), null)
-        : f && function(t) { this.style.setProperty(name, f(t), priority); };
-  });
-};
-d3_transitionPrototype.text = function(value) {
-  return this.tween("text", function(d, i) {
-    this.textContent = typeof value === "function"
-        ? value.call(this, d, i)
-        : value;
-  });
-};
-d3_transitionPrototype.remove = function() {
-  return this.each("end.transition", function() {
-    var p;
-    if (!this.__transition__ && (p = this.parentNode)) p.removeChild(this);
-  });
-};
-d3_transitionPrototype.delay = function(value) {
-  var groups = this;
-  return groups.each(typeof value === "function"
-      ? function(d, i, j) { groups[j][i].delay = value.apply(this, arguments) | 0; }
-      : (value = value | 0, function(d, i, j) { groups[j][i].delay = value; }));
-};
-d3_transitionPrototype.duration = function(value) {
-  var groups = this;
-  return groups.each(typeof value === "function"
-      ? function(d, i, j) { groups[j][i].duration = Math.max(1, value.apply(this, arguments) | 0); }
-      : (value = Math.max(1, value | 0), function(d, i, j) { groups[j][i].duration = value; }));
-};
-function d3_transition_each(callback) {
-  var id = d3_transitionId,
-      ease = d3_transitionEase,
-      delay = d3_transitionDelay,
-      duration = d3_transitionDuration;
-
-  d3_transitionId = this.id;
-  d3_transitionEase = this.ease();
-  for (var j = 0, m = this.length; j < m; j++) {
-    for (var group = this[j], i = 0, n = group.length; i < n; i++) {
-      var node = group[i];
-      if (node) {
-        d3_transitionDelay = this[j][i].delay;
-        d3_transitionDuration = this[j][i].duration;
-        callback.call(node = node.node, node.__data__, i, j);
-      }
-    }
-  }
-
-  d3_transitionId = id;
-  d3_transitionEase = ease;
-  d3_transitionDelay = delay;
-  d3_transitionDuration = duration;
-  return this;
-}
-d3_transitionPrototype.transition = function() {
-  return this.select(d3_this);
-};
-var d3_timer_queue = null,
-    d3_timer_interval, // is an interval (or frame) active?
-    d3_timer_timeout; // is a timeout active?
-
-// The timer will continue to fire until callback returns true.
-d3.timer = function(callback, delay, then) {
-  var found = false,
-      t0,
-      t1 = d3_timer_queue;
-
-  if (arguments.length < 3) {
-    if (arguments.length < 2) delay = 0;
-    else if (!isFinite(delay)) return;
-    then = Date.now();
-  }
-
-  // See if the callback's already in the queue.
-  while (t1) {
-    if (t1.callback === callback) {
-      t1.then = then;
-      t1.delay = delay;
-      found = true;
-      break;
-    }
-    t0 = t1;
-    t1 = t1.next;
-  }
-
-  // Otherwise, add the callback to the queue.
-  if (!found) d3_timer_queue = {
-    callback: callback,
-    then: then,
-    delay: delay,
-    next: d3_timer_queue
-  };
-
-  // Start animatin'!
-  if (!d3_timer_interval) {
-    d3_timer_timeout = clearTimeout(d3_timer_timeout);
-    d3_timer_interval = 1;
-    d3_timer_frame(d3_timer_step);
-  }
-}
-
-function d3_timer_step() {
-  var elapsed,
-      now = Date.now(),
-      t1 = d3_timer_queue;
-
-  while (t1) {
-    elapsed = now - t1.then;
-    if (elapsed >= t1.delay) t1.flush = t1.callback(elapsed);
-    t1 = t1.next;
-  }
-
-  var delay = d3_timer_flush() - now;
-  if (delay > 24) {
-    if (isFinite(delay)) {
-      clearTimeout(d3_timer_timeout);
-      d3_timer_timeout = setTimeout(d3_timer_step, delay);
-    }
-    d3_timer_interval = 0;
-  } else {
-    d3_timer_interval = 1;
-    d3_timer_frame(d3_timer_step);
-  }
-}
-
-d3.timer.flush = function() {
-  var elapsed,
-      now = Date.now(),
-      t1 = d3_timer_queue;
-
-  while (t1) {
-    elapsed = now - t1.then;
-    if (!t1.delay) t1.flush = t1.callback(elapsed);
-    t1 = t1.next;
-  }
-
-  d3_timer_flush();
-};
-
-// Flush after callbacks, to avoid concurrent queue modification.
-function d3_timer_flush() {
-  var t0 = null,
-      t1 = d3_timer_queue,
-      then = Infinity;
-  while (t1) {
-    if (t1.flush) {
-      t1 = t0 ? t0.next = t1.next : d3_timer_queue = t1.next;
-    } else {
-      then = Math.min(then, t1.then + t1.delay);
-      t1 = (t0 = t1).next;
-    }
-  }
-  return then;
-}
-
-var d3_timer_frame = window.requestAnimationFrame
-    || window.webkitRequestAnimationFrame
-    || window.mozRequestAnimationFrame
-    || window.oRequestAnimationFrame
-    || window.msRequestAnimationFrame
-    || function(callback) { setTimeout(callback, 17); };
-d3.transform = function(string) {
-  var g = document.createElementNS(d3.ns.prefix.svg, "g"),
-      identity = {a: 1, b: 0, c: 0, d: 1, e: 0, f: 0};
-  return (d3.transform = function(string) {
-    g.setAttribute("transform", string);
-    var t = g.transform.baseVal.consolidate();
-    return new d3_transform(t ? t.matrix : identity);
-  })(string);
-};
-
-// Compute x-scale and normalize the first row.
-// Compute shear and make second row orthogonal to first.
-// Compute y-scale and normalize the second row.
-// Finally, compute the rotation.
-function d3_transform(m) {
-  var r0 = [m.a, m.b],
-      r1 = [m.c, m.d],
-      kx = d3_transformNormalize(r0),
-      kz = d3_transformDot(r0, r1),
-      ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0;
-  if (r0[0] * r1[1] < r1[0] * r0[1]) {
-    r0[0] *= -1;
-    r0[1] *= -1;
-    kx *= -1;
-    kz *= -1;
-  }
-  this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_transformDegrees;
-  this.translate = [m.e, m.f];
-  this.scale = [kx, ky];
-  this.skew = ky ? Math.atan2(kz, ky) * d3_transformDegrees : 0;
-};
-
-d3_transform.prototype.toString = function() {
-  return "translate(" + this.translate
-      + ")rotate(" + this.rotate
-      + ")skewX(" + this.skew
-      + ")scale(" + this.scale
-      + ")";
-};
-
-function d3_transformDot(a, b) {
-  return a[0] * b[0] + a[1] * b[1];
-}
-
-function d3_transformNormalize(a) {
-  var k = Math.sqrt(d3_transformDot(a, a));
-  if (k) {
-    a[0] /= k;
-    a[1] /= k;
-  }
-  return k;
-}
-
-function d3_transformCombine(a, b, k) {
-  a[0] += k * b[0];
-  a[1] += k * b[1];
-  return a;
-}
-
-var d3_transformDegrees = 180 / Math.PI;
-d3.mouse = function(container) {
-  return d3_mousePoint(container, d3_eventSource());
-};
-
-// https://bugs.webkit.org/show_bug.cgi?id=44083
-var d3_mouse_bug44083 = /WebKit/.test(navigator.userAgent) ? -1 : 0;
-
-function d3_mousePoint(container, e) {
-  var svg = container.ownerSVGElement || container;
-  if (svg.createSVGPoint) {
-    var point = svg.createSVGPoint();
-    if ((d3_mouse_bug44083 < 0) && (window.scrollX || window.scrollY)) {
-      svg = d3.select(document.body)
-        .append("svg")
-          .style("position", "absolute")
-          .style("top", 0)
-          .style("left", 0);
-      var ctm = svg[0][0].getScreenCTM();
-      d3_mouse_bug44083 = !(ctm.f || ctm.e);
-      svg.remove();
-    }
-    if (d3_mouse_bug44083) {
-      point.x = e.pageX;
-      point.y = e.pageY;
-    } else {
-      point.x = e.clientX;
-      point.y = e.clientY;
-    }
-    point = point.matrixTransform(container.getScreenCTM().inverse());
-    return [point.x, point.y];
-  }
-  var rect = container.getBoundingClientRect();
-  return [e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop];
-};
-d3.touches = function(container, touches) {
-  if (arguments.length < 2) touches = d3_eventSource().touches;
-  return touches ? d3_array(touches).map(function(touch) {
-    var point = d3_mousePoint(container, touch);
-    point.identifier = touch.identifier;
-    return point;
-  }) : [];
-};
-function d3_noop() {}
-d3.scale = {};
-
-function d3_scaleExtent(domain) {
-  var start = domain[0], stop = domain[domain.length - 1];
-  return start < stop ? [start, stop] : [stop, start];
-}
-
-function d3_scaleRange(scale) {
-  return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range());
-}
-function d3_scale_nice(domain, nice) {
-  var i0 = 0,
-      i1 = domain.length - 1,
-      x0 = domain[i0],
-      x1 = domain[i1],
-      dx;
-
-  if (x1 < x0) {
-    dx = i0; i0 = i1; i1 = dx;
-    dx = x0; x0 = x1; x1 = dx;
-  }
-
-  if (dx = x1 - x0) {
-    nice = nice(dx);
-    domain[i0] = nice.floor(x0);
-    domain[i1] = nice.ceil(x1);
-  }
-
-  return domain;
-}
-
-function d3_scale_niceDefault() {
-  return Math;
-}
-d3.scale.linear = function() {
-  return d3_scale_linear([0, 1], [0, 1], d3.interpolate, false);
-};
-
-function d3_scale_linear(domain, range, interpolate, clamp) {
-  var output,
-      input;
-
-  function rescale() {
-    var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear,
-        uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber;
-    output = linear(domain, range, uninterpolate, interpolate);
-    input = linear(range, domain, uninterpolate, d3.interpolate);
-    return scale;
-  }
-
-  function scale(x) {
-    return output(x);
-  }
-
-  // Note: requires range is coercible to number!
-  scale.invert = function(y) {
-    return input(y);
-  };
-
-  scale.domain = function(x) {
-    if (!arguments.length) return domain;
-    domain = x.map(Number);
-    return rescale();
-  };
-
-  scale.range = function(x) {
-    if (!arguments.length) return range;
-    range = x;
-    return rescale();
-  };
-
-  scale.rangeRound = function(x) {
-    return scale.range(x).interpolate(d3.interpolateRound);
-  };
-
-  scale.clamp = function(x) {
-    if (!arguments.length) return clamp;
-    clamp = x;
-    return rescale();
-  };
-
-  scale.interpolate = function(x) {
-    if (!arguments.length) return interpolate;
-    interpolate = x;
-    return rescale();
-  };
-
-  scale.ticks = function(m) {
-    return d3_scale_linearTicks(domain, m);
-  };
-
-  scale.tickFormat = function(m) {
-    return d3_scale_linearTickFormat(domain, m);
-  };
-
-  scale.nice = function() {
-    d3_scale_nice(domain, d3_scale_linearNice);
-    return rescale();
-  };
-
-  scale.copy = function() {
-    return d3_scale_linear(domain, range, interpolate, clamp);
-  };
-
-  return rescale();
-}
-
-function d3_scale_linearRebind(scale, linear) {
-  return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
-}
-
-function d3_scale_linearNice(dx) {
-  dx = Math.pow(10, Math.round(Math.log(dx) / Math.LN10) - 1);
-  return {
-    floor: function(x) { return Math.floor(x / dx) * dx; },
-    ceil: function(x) { return Math.ceil(x / dx) * dx; }
-  };
-}
-
-function d3_scale_linearTickRange(domain, m) {
-  var extent = d3_scaleExtent(domain),
-      span = extent[1] - extent[0],
-      step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)),
-      err = m / span * step;
-
-  // Filter ticks to get closer to the desired count.
-  if (err <= .15) step *= 10;
-  else if (err <= .35) step *= 5;
-  else if (err <= .75) step *= 2;
-
-  // Round start and stop values to step interval.
-  extent[0] = Math.ceil(extent[0] / step) * step;
-  extent[1] = Math.floor(extent[1] / step) * step + step * .5; // inclusive
-  extent[2] = step;
-  return extent;
-}
-
-function d3_scale_linearTicks(domain, m) {
-  return d3.range.apply(d3, d3_scale_linearTickRange(domain, m));
-}
-
-function d3_scale_linearTickFormat(domain, m) {
-  return d3.format(",." + Math.max(0, -Math.floor(Math.log(d3_scale_linearTickRange(domain, m)[2]) / Math.LN10 + .01)) + "f");
-}
-function d3_scale_bilinear(domain, range, uninterpolate, interpolate) {
-  var u = uninterpolate(domain[0], domain[1]),
-      i = interpolate(range[0], range[1]);
-  return function(x) {
-    return i(u(x));
-  };
-}
-function d3_scale_polylinear(domain, range, uninterpolate, interpolate) {
-  var u = [],
-      i = [],
-      j = 0,
-      k = Math.min(domain.length, range.length) - 1;
-
-  // Handle descending domains.
-  if (domain[k] < domain[0]) {
-    domain = domain.slice().reverse();
-    range = range.slice().reverse();
-  }
-
-  while (++j <= k) {
-    u.push(uninterpolate(domain[j - 1], domain[j]));
-    i.push(interpolate(range[j - 1], range[j]));
-  }
-
-  return function(x) {
-    var j = d3.bisect(domain, x, 1, k) - 1;
-    return i[j](u[j](x));
-  };
-}
-d3.scale.log = function() {
-  return d3_scale_log(d3.scale.linear(), d3_scale_logp);
-};
-
-function d3_scale_log(linear, log) {
-  var pow = log.pow;
-
-  function scale(x) {
-    return linear(log(x));
-  }
-
-  scale.invert = function(x) {
-    return pow(linear.invert(x));
-  };
-
-  scale.domain = function(x) {
-    if (!arguments.length) return linear.domain().map(pow);
-    log = x[0] < 0 ? d3_scale_logn : d3_scale_logp;
-    pow = log.pow;
-    linear.domain(x.map(log));
-    return scale;
-  };
-
-  scale.nice = function() {
-    linear.domain(d3_scale_nice(linear.domain(), d3_scale_niceDefault));
-    return scale;
-  };
-
-  scale.ticks = function() {
-    var extent = d3_scaleExtent(linear.domain()),
-        ticks = [];
-    if (extent.every(isFinite)) {
-      var i = Math.floor(extent[0]),
-          j = Math.ceil(extent[1]),
-          u = pow(extent[0]),
-          v = pow(extent[1]);
-      if (log === d3_scale_logn) {
-        ticks.push(pow(i));
-        for (; i++ < j;) for (var k = 9; k > 0; k--) ticks.push(pow(i) * k);
-      } else {
-        for (; i < j; i++) for (var k = 1; k < 10; k++) ticks.push(pow(i) * k);
-        ticks.push(pow(i));
-      }
-      for (i = 0; ticks[i] < u; i++) {} // strip small values
-      for (j = ticks.length; ticks[j - 1] > v; j--) {} // strip big values
-      ticks = ticks.slice(i, j);
-    }
-    return ticks;
-  };
-
-  scale.tickFormat = function(n, format) {
-    if (arguments.length < 2) format = d3_scale_logFormat;
-    if (arguments.length < 1) return format;
-    var k = n / scale.ticks().length,
-        f = log === d3_scale_logn ? (e = -1e-12, Math.floor) : (e = 1e-12, Math.ceil),
-        e;
-    return function(d) {
-      return d / pow(f(log(d) + e)) < k ? format(d) : "";
-    };
-  };
-
-  scale.copy = function() {
-    return d3_scale_log(linear.copy(), log);
-  };
-
-  return d3_scale_linearRebind(scale, linear);
-}
-
-var d3_scale_logFormat = d3.format(".0e");
-
-function d3_scale_logp(x) {
-  return Math.log(x < 0 ? 0 : x) / Math.LN10;
-}
-
-function d3_scale_logn(x) {
-  return -Math.log(x > 0 ? 0 : -x) / Math.LN10;
-}
-
-d3_scale_logp.pow = function(x) {
-  return Math.pow(10, x);
-};
-
-d3_scale_logn.pow = function(x) {
-  return -Math.pow(10, -x);
-};
-d3.scale.pow = function() {
-  return d3_scale_pow(d3.scale.linear(), 1);
-};
-
-function d3_scale_pow(linear, exponent) {
-  var powp = d3_scale_powPow(exponent),
-      powb = d3_scale_powPow(1 / exponent);
-
-  function scale(x) {
-    return linear(powp(x));
-  }
-
-  scale.invert = function(x) {
-    return powb(linear.invert(x));
-  };
-
-  scale.domain = function(x) {
-    if (!arguments.length) return linear.domain().map(powb);
-    linear.domain(x.map(powp));
-    return scale;
-  };
-
-  scale.ticks = function(m) {
-    return d3_scale_linearTicks(scale.domain(), m);
-  };
-
-  scale.tickFormat = function(m) {
-    return d3_scale_linearTickFormat(scale.domain(), m);
-  };
-
-  scale.nice = function() {
-    return scale.domain(d3_scale_nice(scale.domain(), d3_scale_linearNice));
-  };
-
-  scale.exponent = function(x) {
-    if (!arguments.length) return exponent;
-    var domain = scale.domain();
-    powp = d3_scale_powPow(exponent = x);
-    powb = d3_scale_powPow(1 / exponent);
-    return scale.domain(domain);
-  };
-
-  scale.copy = function() {
-    return d3_scale_pow(linear.copy(), exponent);
-  };
-
-  return d3_scale_linearRebind(scale, linear);
-}
-
-function d3_scale_powPow(e) {
-  return function(x) {
-    return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e);
-  };
-}
-d3.scale.sqrt = function() {
-  return d3.scale.pow().exponent(.5);
-};
-d3.scale.ordinal = function() {
-  return d3_scale_ordinal([], {t: "range", x: []});
-};
-
-function d3_scale_ordinal(domain, ranger) {
-  var index,
-      range,
-      rangeBand;
-
-  function scale(x) {
-    return range[((index.get(x) || index.set(x, domain.push(x))) - 1) % range.length];
-  }
-
-  function steps(start, step) {
-    return d3.range(domain.length).map(function(i) { return start + step * i; });
-  }
-
-  scale.domain = function(x) {
-    if (!arguments.length) return domain;
-    domain = [];
-    index = new d3_Map;
-    var i = -1, n = x.length, xi;
-    while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi));
-    return scale[ranger.t](ranger.x, ranger.p);
-  };
-
-  scale.range = function(x) {
-    if (!arguments.length) return range;
-    range = x;
-    rangeBand = 0;
-    ranger = {t: "range", x: x};
-    return scale;
-  };
-
-  scale.rangePoints = function(x, padding) {
-    if (arguments.length < 2) padding = 0;
-    var start = x[0],
-        stop = x[1],
-        step = (stop - start) / (domain.length - 1 + padding);
-    range = steps(domain.length < 2 ? (start + stop) / 2 : start + step * padding / 2, step);
-    rangeBand = 0;
-    ranger = {t: "rangePoints", x: x, p: padding};
-    return scale;
-  };
-
-  scale.rangeBands = function(x, padding) {
-    if (arguments.length < 2) padding = 0;
-    var reverse = x[1] < x[0],
-        start = x[reverse - 0],
-        stop = x[1 - reverse],
-        step = (stop - start) / (domain.length + padding);
-    range = steps(start + step * padding, step);
-    if (reverse) range.reverse();
-    rangeBand = step * (1 - padding);
-    ranger = {t: "rangeBands", x: x, p: padding};
-    return scale;
-  };
-
-  scale.rangeRoundBands = function(x, padding) {
-    if (arguments.length < 2) padding = 0;
-    var reverse = x[1] < x[0],
-        start = x[reverse - 0],
-        stop = x[1 - reverse],
-        step = Math.floor((stop - start) / (domain.length + padding)),
-        error = stop - start - (domain.length - padding) * step;
-    range = steps(start + Math.round(error / 2), step);
-    if (reverse) range.reverse();
-    rangeBand = Math.round(step * (1 - padding));
-    ranger = {t: "rangeRoundBands", x: x, p: padding};
-    return scale;
-  };
-
-  scale.rangeBand = function() {
-    return rangeBand;
-  };
-
-  scale.rangeExtent = function() {
-    return d3_scaleExtent(ranger.x);
-  };
-
-  scale.copy = function() {
-    return d3_scale_ordinal(domain, ranger);
-  };
-
-  return scale.domain(domain);
-}
-/*
- * This product includes color specifications and designs developed by Cynthia
- * Brewer (http://colorbrewer.org/). See lib/colorbrewer for more information.
- */
-
-d3.scale.category10 = function() {
-  return d3.scale.ordinal().range(d3_category10);
-};
-
-d3.scale.category20 = function() {
-  return d3.scale.ordinal().range(d3_category20);
-};
-
-d3.scale.category20b = function() {
-  return d3.scale.ordinal().range(d3_category20b);
-};
-
-d3.scale.category20c = function() {
-  return d3.scale.ordinal().range(d3_category20c);
-};
-
-var d3_category10 = [
-  "#1f77b4", "#ff7f0e", "#2ca02c", "#d62728", "#9467bd",
-  "#8c564b", "#e377c2", "#7f7f7f", "#bcbd22", "#17becf"
-];
-
-var d3_category20 = [
-  "#1f77b4", "#aec7e8",
-  "#ff7f0e", "#ffbb78",
-  "#2ca02c", "#98df8a",
-  "#d62728", "#ff9896",
-  "#9467bd", "#c5b0d5",
-  "#8c564b", "#c49c94",
-  "#e377c2", "#f7b6d2",
-  "#7f7f7f", "#c7c7c7",
-  "#bcbd22", "#dbdb8d",
-  "#17becf", "#9edae5"
-];
-
-var d3_category20b = [
-  "#393b79", "#5254a3", "#6b6ecf", "#9c9ede",
-  "#637939", "#8ca252", "#b5cf6b", "#cedb9c",
-  "#8c6d31", "#bd9e39", "#e7ba52", "#e7cb94",
-  "#843c39", "#ad494a", "#d6616b", "#e7969c",
-  "#7b4173", "#a55194", "#ce6dbd", "#de9ed6"
-];
-
-var d3_category20c = [
-  "#3182bd", "#6baed6", "#9ecae1", "#c6dbef",
-  "#e6550d", "#fd8d3c", "#fdae6b", "#fdd0a2",
-  "#31a354", "#74c476", "#a1d99b", "#c7e9c0",
-  "#756bb1", "#9e9ac8", "#bcbddc", "#dadaeb",
-  "#636363", "#969696", "#bdbdbd", "#d9d9d9"
-];
-d3.scale.quantile = function() {
-  return d3_scale_quantile([], []);
-};
-
-function d3_scale_quantile(domain, range) {
-  var thresholds;
-
-  function rescale() {
-    var k = 0,
-        n = domain.length,
-        q = range.length;
-    thresholds = [];
-    while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q);
-    return scale;
-  }
-
-  function scale(x) {
-    if (isNaN(x = +x)) return NaN;
-    return range[d3.bisect(thresholds, x)];
-  }
-
-  scale.domain = function(x) {
-    if (!arguments.length) return domain;
-    domain = x.filter(function(d) { return !isNaN(d); }).sort(d3.ascending);
-    return rescale();
-  };
-
-  scale.range = function(x) {
-    if (!arguments.length) return range;
-    range = x;
-    return rescale();
-  };
-
-  scale.quantiles = function() {
-    return thresholds;
-  };
-
-  scale.copy = function() {
-    return d3_scale_quantile(domain, range); // copy on write!
-  };
-
-  return rescale();
-}
-d3.scale.quantize = function() {
-  return d3_scale_quantize(0, 1, [0, 1]);
-};
-
-function d3_scale_quantize(x0, x1, range) {
-  var kx, i;
-
-  function scale(x) {
-    return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))];
-  }
-
-  function rescale() {
-    kx = range.length / (x1 - x0);
-    i = range.length - 1;
-    return scale;
-  }
-
-  scale.domain = function(x) {
-    if (!arguments.length) return [x0, x1];
-    x0 = +x[0];
-    x1 = +x[x.length - 1];
-    return rescale();
-  };
-
-  scale.range = function(x) {
-    if (!arguments.length) return range;
-    range = x;
-    return rescale();
-  };
-
-  scale.copy = function() {
-    return d3_scale_quantize(x0, x1, range); // copy on write
-  };
-
-  return rescale();
-}
-d3.scale.identity = function() {
-  return d3_scale_identity([0, 1]);
-};
-
-function d3_scale_identity(domain) {
-
-  function identity(x) { return +x; }
-
-  identity.invert = identity;
-
-  identity.domain = identity.range = function(x) {
-    if (!arguments.length) return domain;
-    domain = x.map(identity);
-    return identity;
-  };
-
-  identity.ticks = function(m) {
-    return d3_scale_linearTicks(domain, m);
-  };
-
-  identity.tickFormat = function(m) {
-    return d3_scale_linearTickFormat(domain, m);
-  };
-
-  identity.copy = function() {
-    return d3_scale_identity(domain);
-  };
-
-  return identity;
-}
-d3.svg = {};
-d3.svg.arc = function() {
-  var innerRadius = d3_svg_arcInnerRadius,
-      outerRadius = d3_svg_arcOuterRadius,
-      startAngle = d3_svg_arcStartAngle,
-      endAngle = d3_svg_arcEndAngle;
-
-  function arc() {
-    var r0 = innerRadius.apply(this, arguments),
-        r1 = outerRadius.apply(this, arguments),
-        a0 = startAngle.apply(this, arguments) + d3_svg_arcOffset,
-        a1 = endAngle.apply(this, arguments) + d3_svg_arcOffset,
-        da = (a1 < a0 && (da = a0, a0 = a1, a1 = da), a1 - a0),
-        df = da < Math.PI ? "0" : "1",
-        c0 = Math.cos(a0),
-        s0 = Math.sin(a0),
-        c1 = Math.cos(a1),
-        s1 = Math.sin(a1);
-    return da >= d3_svg_arcMax
-      ? (r0
-      ? "M0," + r1
-      + "A" + r1 + "," + r1 + " 0 1,1 0," + (-r1)
-      + "A" + r1 + "," + r1 + " 0 1,1 0," + r1
-      + "M0," + r0
-      + "A" + r0 + "," + r0 + " 0 1,0 0," + (-r0)
-      + "A" + r0 + "," + r0 + " 0 1,0 0," + r0
-      + "Z"
-      : "M0," + r1
-      + "A" + r1 + "," + r1 + " 0 1,1 0," + (-r1)
-      + "A" + r1 + "," + r1 + " 0 1,1 0," + r1
-      + "Z")
-      : (r0
-      ? "M" + r1 * c0 + "," + r1 * s0
-      + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1
-      + "L" + r0 * c1 + "," + r0 * s1
-      + "A" + r0 + "," + r0 + " 0 " + df + ",0 " + r0 * c0 + "," + r0 * s0
-      + "Z"
-      : "M" + r1 * c0 + "," + r1 * s0
-      + "A" + r1 + "," + r1 + " 0 " + df + ",1 " + r1 * c1 + "," + r1 * s1
-      + "L0,0"
-      + "Z");
-  }
-
-  arc.innerRadius = function(v) {
-    if (!arguments.length) return innerRadius;
-    innerRadius = d3.functor(v);
-    return arc;
-  };
-
-  arc.outerRadius = function(v) {
-    if (!arguments.length) return outerRadius;
-    outerRadius = d3.functor(v);
-    return arc;
-  };
-
-  arc.startAngle = function(v) {
-    if (!arguments.length) return startAngle;
-    startAngle = d3.functor(v);
-    return arc;
-  };
-
-  arc.endAngle = function(v) {
-    if (!arguments.length) return endAngle;
-    endAngle = d3.functor(v);
-    return arc;
-  };
-
-  arc.centroid = function() {
-    var r = (innerRadius.apply(this, arguments)
-        + outerRadius.apply(this, arguments)) / 2,
-        a = (startAngle.apply(this, arguments)
-        + endAngle.apply(this, arguments)) / 2 + d3_svg_arcOffset;
-    return [Math.cos(a) * r, Math.sin(a) * r];
-  };
-
-  return arc;
-};
-
-var d3_svg_arcOffset = -Math.PI / 2,
-    d3_svg_arcMax = 2 * Math.PI - 1e-6;
-
-function d3_svg_arcInnerRadius(d) {
-  return d.innerRadius;
-}
-
-function d3_svg_arcOuterRadius(d) {
-  return d.outerRadius;
-}
-
-function d3_svg_arcStartAngle(d) {
-  return d.startAngle;
-}
-
-function d3_svg_arcEndAngle(d) {
-  return d.endAngle;
-}
-function d3_svg_line(projection) {
-  var x = d3_svg_lineX,
-      y = d3_svg_lineY,
-      interpolate = d3_svg_lineInterpolatorDefault,
-      interpolator = d3_svg_lineInterpolators.get(interpolate),
-      tension = .7;
-
-  function line(d) {
-    return d.length < 1 ? null : "M" + interpolator(projection(d3_svg_linePoints(this, d, x, y)), tension);
-  }
-
-  line.x = function(v) {
-    if (!arguments.length) return x;
-    x = v;
-    return line;
-  };
-
-  line.y = function(v) {
-    if (!arguments.length) return y;
-    y = v;
-    return line;
-  };
-
-  line.interpolate = function(v) {
-    if (!arguments.length) return interpolate;
-    if (!d3_svg_lineInterpolators.has(v += "")) v = d3_svg_lineInterpolatorDefault;
-    interpolator = d3_svg_lineInterpolators.get(interpolate = v);
-    return line;
-  };
-
-  line.tension = function(v) {
-    if (!arguments.length) return tension;
-    tension = v;
-    return line;
-  };
-
-  return line;
-}
-
-d3.svg.line = function() {
-  return d3_svg_line(Object);
-};
-
-// Converts the specified array of data into an array of points
-// (x-y tuples), by evaluating the specified `x` and `y` functions on each
-// data point. The `this` context of the evaluated functions is the specified
-// "self" object; each function is passed the current datum and index.
-function d3_svg_linePoints(self, d, x, y) {
-  var points = [],
-      i = -1,
-      n = d.length,
-      fx = typeof x === "function",
-      fy = typeof y === "function",
-      value;
-  if (fx && fy) {
-    while (++i < n) points.push([
-      x.call(self, value = d[i], i),
-      y.call(self, value, i)
-    ]);
-  } else if (fx) {
-    while (++i < n) points.push([x.call(self, d[i], i), y]);
-  } else if (fy) {
-    while (++i < n) points.push([x, y.call(self, d[i], i)]);
-  } else {
-    while (++i < n) points.push([x, y]);
-  }
-  return points;
-}
-
-// The default `x` property, which references d[0].
-function d3_svg_lineX(d) {
-  return d[0];
-}
-
-// The default `y` property, which references d[1].
-function d3_svg_lineY(d) {
-  return d[1];
-}
-
-var d3_svg_lineInterpolatorDefault = "linear";
-
-// The various interpolators supported by the `line` class.
-var d3_svg_lineInterpolators = d3.map({
-  "linear": d3_svg_lineLinear,
-  "step-before": d3_svg_lineStepBefore,
-  "step-after": d3_svg_lineStepAfter,
-  "basis": d3_svg_lineBasis,
-  "basis-open": d3_svg_lineBasisOpen,
-  "basis-closed": d3_svg_lineBasisClosed,
-  "bundle": d3_svg_lineBundle,
-  "cardinal": d3_svg_lineCardinal,
-  "cardinal-open": d3_svg_lineCardinalOpen,
-  "cardinal-closed": d3_svg_lineCardinalClosed,
-  "monotone": d3_svg_lineMonotone
-});
-
-// Linear interpolation; generates "L" commands.
-function d3_svg_lineLinear(points) {
-  var i = 0,
-      n = points.length,
-      p = points[0],
-      path = [p[0], ",", p[1]];
-  while (++i < n) path.push("L", (p = points[i])[0], ",", p[1]);
-  return path.join("");
-}
-
-// Step interpolation; generates "H" and "V" commands.
-function d3_svg_lineStepBefore(points) {
-  var i = 0,
-      n = points.length,
-      p = points[0],
-      path = [p[0], ",", p[1]];
-  while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]);
-  return path.join("");
-}
-
-// Step interpolation; generates "H" and "V" commands.
-function d3_svg_lineStepAfter(points) {
-  var i = 0,
-      n = points.length,
-      p = points[0],
-      path = [p[0], ",", p[1]];
-  while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]);
-  return path.join("");
-}
-
-// Open cardinal spline interpolation; generates "C" commands.
-function d3_svg_lineCardinalOpen(points, tension) {
-  return points.length < 4
-      ? d3_svg_lineLinear(points)
-      : points[1] + d3_svg_lineHermite(points.slice(1, points.length - 1),
-        d3_svg_lineCardinalTangents(points, tension));
-}
-
-// Closed cardinal spline interpolation; generates "C" commands.
-function d3_svg_lineCardinalClosed(points, tension) {
-  return points.length < 3
-      ? d3_svg_lineLinear(points)
-      : points[0] + d3_svg_lineHermite((points.push(points[0]), points),
-        d3_svg_lineCardinalTangents([points[points.length - 2]]
-        .concat(points, [points[1]]), tension));
-}
-
-// Cardinal spline interpolation; generates "C" commands.
-function d3_svg_lineCardinal(points, tension, closed) {
-  return points.length < 3
-      ? d3_svg_lineLinear(points)
-      : points[0] + d3_svg_lineHermite(points,
-        d3_svg_lineCardinalTangents(points, tension));
-}
-
-// Hermite spline construction; generates "C" commands.
-function d3_svg_lineHermite(points, tangents) {
-  if (tangents.length < 1
-      || (points.length != tangents.length
-      && points.length != tangents.length + 2)) {
-    return d3_svg_lineLinear(points);
-  }
-
-  var quad = points.length != tangents.length,
-      path = "",
-      p0 = points[0],
-      p = points[1],
-      t0 = tangents[0],
-      t = t0,
-      pi = 1;
-
-  if (quad) {
-    path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3)
-        + "," + p[0] + "," + p[1];
-    p0 = points[1];
-    pi = 2;
-  }
-
-  if (tangents.length > 1) {
-    t = tangents[1];
-    p = points[pi];
-    pi++;
-    path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1])
-        + "," + (p[0] - t[0]) + "," + (p[1] - t[1])
-        + "," + p[0] + "," + p[1];
-    for (var i = 2; i < tangents.length; i++, pi++) {
-      p = points[pi];
-      t = tangents[i];
-      path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1])
-          + "," + p[0] + "," + p[1];
-    }
-  }
-
-  if (quad) {
-    var lp = points[pi];
-    path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3)
-        + "," + lp[0] + "," + lp[1];
-  }
-
-  return path;
-}
-
-// Generates tangents for a cardinal spline.
-function d3_svg_lineCardinalTangents(points, tension) {
-  var tangents = [],
-      a = (1 - tension) / 2,
-      p0,
-      p1 = points[0],
-      p2 = points[1],
-      i = 1,
-      n = points.length;
-  while (++i < n) {
-    p0 = p1;
-    p1 = p2;
-    p2 = points[i];
-    tangents.push([a * (p2[0] - p0[0]), a * (p2[1] - p0[1])]);
-  }
-  return tangents;
-}
-
-// B-spline interpolation; generates "C" commands.
-function d3_svg_lineBasis(points) {
-  if (points.length < 3) return d3_svg_lineLinear(points);
-  var i = 1,
-      n = points.length,
-      pi = points[0],
-      x0 = pi[0],
-      y0 = pi[1],
-      px = [x0, x0, x0, (pi = points[1])[0]],
-      py = [y0, y0, y0, pi[1]],
-      path = [x0, ",", y0];
-  d3_svg_lineBasisBezier(path, px, py);
-  while (++i < n) {
-    pi = points[i];
-    px.shift(); px.push(pi[0]);
-    py.shift(); py.push(pi[1]);
-    d3_svg_lineBasisBezier(path, px, py);
-  }
-  i = -1;
-  while (++i < 2) {
-    px.shift(); px.push(pi[0]);
-    py.shift(); py.push(pi[1]);
-    d3_svg_lineBasisBezier(path, px, py);
-  }
-  return path.join("");
-}
-
-// Open B-spline interpolation; generates "C" commands.
-function d3_svg_lineBasisOpen(points) {
-  if (points.length < 4) return d3_svg_lineLinear(points);
-  var path = [],
-      i = -1,
-      n = points.length,
-      pi,
-      px = [0],
-      py = [0];
-  while (++i < 3) {
-    pi = points[i];
-    px.push(pi[0]);
-    py.push(pi[1]);
-  }
-  path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px)
-    + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py));
-  --i; while (++i < n) {
-    pi = points[i];
-    px.shift(); px.push(pi[0]);
-    py.shift(); py.push(pi[1]);
-    d3_svg_lineBasisBezier(path, px, py);
-  }
-  return path.join("");
-}
-
-// Closed B-spline interpolation; generates "C" commands.
-function d3_svg_lineBasisClosed(points) {
-  var path,
-      i = -1,
-      n = points.length,
-      m = n + 4,
-      pi,
-      px = [],
-      py = [];
-  while (++i < 4) {
-    pi = points[i % n];
-    px.push(pi[0]);
-    py.push(pi[1]);
-  }
-  path = [
-    d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",",
-    d3_svg_lineDot4(d3_svg_lineBasisBezier3, py)
-  ];
-  --i; while (++i < m) {
-    pi = points[i % n];
-    px.shift(); px.push(pi[0]);
-    py.shift(); py.push(pi[1]);
-    d3_svg_lineBasisBezier(path, px, py);
-  }
-  return path.join("");
-}
-
-function d3_svg_lineBundle(points, tension) {
-  var n = points.length - 1,
-      x0 = points[0][0],
-      y0 = points[0][1],
-      dx = points[n][0] - x0,
-      dy = points[n][1] - y0,
-      i = -1,
-      p,
-      t;
-  while (++i <= n) {
-    p = points[i];
-    t = i / n;
-    p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx);
-    p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy);
-  }
-  return d3_svg_lineBasis(points);
-}
-
-// Returns the dot product of the given four-element vectors.
-function d3_svg_lineDot4(a, b) {
-  return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
-}
-
-// Matrix to transform basis (b-spline) control points to bezier
-// control points. Derived from FvD 11.2.8.
-var d3_svg_lineBasisBezier1 = [0, 2/3, 1/3, 0],
-    d3_svg_lineBasisBezier2 = [0, 1/3, 2/3, 0],
-    d3_svg_lineBasisBezier3 = [0, 1/6, 2/3, 1/6];
-
-// Pushes a "C" Bézier curve onto the specified path array, given the
-// two specified four-element arrays which define the control points.
-function d3_svg_lineBasisBezier(path, x, y) {
-  path.push(
-      "C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x),
-      ",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y),
-      ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x),
-      ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y),
-      ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x),
-      ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y));
-}
-
-// Computes the slope from points p0 to p1.
-function d3_svg_lineSlope(p0, p1) {
-  return (p1[1] - p0[1]) / (p1[0] - p0[0]);
-}
-
-// Compute three-point differences for the given points.
-// http://en.wikipedia.org/wiki/Cubic_Hermite_spline#Finite_difference
-function d3_svg_lineFiniteDifferences(points) {
-  var i = 0,
-      j = points.length - 1,
-      m = [],
-      p0 = points[0],
-      p1 = points[1],
-      d = m[0] = d3_svg_lineSlope(p0, p1);
-  while (++i < j) {
-    m[i] = d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]));
-  }
-  m[i] = d;
-  return m;
-}
-
-// Interpolates the given points using Fritsch-Carlson Monotone cubic Hermite
-// interpolation. Returns an array of tangent vectors. For details, see
-// http://en.wikipedia.org/wiki/Monotone_cubic_interpolation
-function d3_svg_lineMonotoneTangents(points) {
-  var tangents = [],
-      d,
-      a,
-      b,
-      s,
-      m = d3_svg_lineFiniteDifferences(points),
-      i = -1,
-      j = points.length - 1;
-
-  // The first two steps are done by computing finite-differences:
-  // 1. Compute the slopes of the secant lines between successive points.
-  // 2. Initialize the tangents at every point as the average of the secants.
-
-  // Then, for each segment…
-  while (++i < j) {
-    d = d3_svg_lineSlope(points[i], points[i + 1]);
-
-    // 3. If two successive yk = y{k + 1} are equal (i.e., d is zero), then set
-    // mk = m{k + 1} = 0 as the spline connecting these points must be flat to
-    // preserve monotonicity. Ignore step 4 and 5 for those k.
-
-    if (Math.abs(d) < 1e-6) {
-      m[i] = m[i + 1] = 0;
-    } else {
-      // 4. Let ak = mk / dk and bk = m{k + 1} / dk.
-      a = m[i] / d;
-      b = m[i + 1] / d;
-
-      // 5. Prevent overshoot and ensure monotonicity by restricting the
-      // magnitude of vector <ak, bk> to a circle of radius 3.
-      s = a * a + b * b;
-      if (s > 9) {
-        s = d * 3 / Math.sqrt(s);
-        m[i] = s * a;
-        m[i + 1] = s * b;
-      }
-    }
-  }
-
-  // Compute the normalized tangent vector from the slopes. Note that if x is
-  // not monotonic, it's possible that the slope will be infinite, so we protect
-  // against NaN by setting the coordinate to zero.
-  i = -1; while (++i <= j) {
-    s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0])
-      / (6 * (1 + m[i] * m[i]));
-    tangents.push([s || 0, m[i] * s || 0]);
-  }
-
-  return tangents;
-}
-
-function d3_svg_lineMonotone(points) {
-  return points.length < 3
-      ? d3_svg_lineLinear(points)
-      : points[0] +
-        d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points));
-}
-d3.svg.line.radial = function() {
-  var line = d3_svg_line(d3_svg_lineRadial);
-  line.radius = line.x, delete line.x;
-  line.angle = line.y, delete line.y;
-  return line;
-};
-
-function d3_svg_lineRadial(points) {
-  var point,
-      i = -1,
-      n = points.length,
-      r,
-      a;
-  while (++i < n) {
-    point = points[i];
-    r = point[0];
-    a = point[1] + d3_svg_arcOffset;
-    point[0] = r * Math.cos(a);
-    point[1] = r * Math.sin(a);
-  }
-  return points;
-}
-function d3_svg_area(projection) {
-  var x0 = d3_svg_lineX,
-      x1 = d3_svg_lineX,
-      y0 = 0,
-      y1 = d3_svg_lineY,
-      interpolate,
-      i0,
-      i1,
-      tension = .7;
-
-  function area(d) {
-    if (d.length < 1) return null;
-    var points0 = d3_svg_linePoints(this, d, x0, y0),
-        points1 = d3_svg_linePoints(this, d, x0 === x1 ? d3_svg_areaX(points0) : x1, y0 === y1 ? d3_svg_areaY(points0) : y1);
-    return "M" + i0(projection(points1), tension)
-         + "L" + i1(projection(points0.reverse()), tension)
-         + "Z";
-  }
-
-  area.x = function(x) {
-    if (!arguments.length) return x1;
-    x0 = x1 = x;
-    return area;
-  };
-
-  area.x0 = function(x) {
-    if (!arguments.length) return x0;
-    x0 = x;
-    return area;
-  };
-
-  area.x1 = function(x) {
-    if (!arguments.length) return x1;
-    x1 = x;
-    return area;
-  };
-
-  area.y = function(y) {
-    if (!arguments.length) return y1;
-    y0 = y1 = y;
-    return area;
-  };
-
-  area.y0 = function(y) {
-    if (!arguments.length) return y0;
-    y0 = y;
-    return area;
-  };
-
-  area.y1 = function(y) {
-    if (!arguments.length) return y1;
-    y1 = y;
-    return area;
-  };
-
-  area.interpolate = function(x) {
-    if (!arguments.length) return interpolate;
-    if (!d3_svg_lineInterpolators.has(x += "")) x = d3_svg_lineInterpolatorDefault;
-    i0 = d3_svg_lineInterpolators.get(interpolate = x);
-    i1 = i0.reverse || i0;
-    return area;
-  };
-
-  area.tension = function(x) {
-    if (!arguments.length) return tension;
-    tension = x;
-    return area;
-  };
-
-  return area.interpolate("linear");
-}
-
-d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter;
-d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore;
-
-d3.svg.area = function() {
-  return d3_svg_area(Object);
-};
-
-function d3_svg_areaX(points) {
-  return function(d, i) {
-    return points[i][0];
-  };
-}
-
-function d3_svg_areaY(points) {
-  return function(d, i) {
-    return points[i][1];
-  };
-}
-d3.svg.area.radial = function() {
-  var area = d3_svg_area(d3_svg_lineRadial);
-  area.radius = area.x, delete area.x;
-  area.innerRadius = area.x0, delete area.x0;
-  area.outerRadius = area.x1, delete area.x1;
-  area.angle = area.y, delete area.y;
-  area.startAngle = area.y0, delete area.y0;
-  area.endAngle = area.y1, delete area.y1;
-  return area;
-};
-d3.svg.chord = function() {
-  var source = d3_svg_chordSource,
-      target = d3_svg_chordTarget,
-      radius = d3_svg_chordRadius,
-      startAngle = d3_svg_arcStartAngle,
-      endAngle = d3_svg_arcEndAngle;
-
-  // TODO Allow control point to be customized.
-
-  function chord(d, i) {
-    var s = subgroup(this, source, d, i),
-        t = subgroup(this, target, d, i);
-    return "M" + s.p0
-      + arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t)
-      ? curve(s.r, s.p1, s.r, s.p0)
-      : curve(s.r, s.p1, t.r, t.p0)
-      + arc(t.r, t.p1, t.a1 - t.a0)
-      + curve(t.r, t.p1, s.r, s.p0))
-      + "Z";
-  }
-
-  function subgroup(self, f, d, i) {
-    var subgroup = f.call(self, d, i),
-        r = radius.call(self, subgroup, i),
-        a0 = startAngle.call(self, subgroup, i) + d3_svg_arcOffset,
-        a1 = endAngle.call(self, subgroup, i) + d3_svg_arcOffset;
-    return {
-      r: r,
-      a0: a0,
-      a1: a1,
-      p0: [r * Math.cos(a0), r * Math.sin(a0)],
-      p1: [r * Math.cos(a1), r * Math.sin(a1)]
-    };
-  }
-
-  function equals(a, b) {
-    return a.a0 == b.a0 && a.a1 == b.a1;
-  }
-
-  function arc(r, p, a) {
-    return "A" + r + "," + r + " 0 " + +(a > Math.PI) + ",1 " + p;
-  }
-
-  function curve(r0, p0, r1, p1) {
-    return "Q 0,0 " + p1;
-  }
-
-  chord.radius = function(v) {
-    if (!arguments.length) return radius;
-    radius = d3.functor(v);
-    return chord;
-  };
-
-  chord.source = function(v) {
-    if (!arguments.length) return source;
-    source = d3.functor(v);
-    return chord;
-  };
-
-  chord.target = function(v) {
-    if (!arguments.length) return target;
-    target = d3.functor(v);
-    return chord;
-  };
-
-  chord.startAngle = function(v) {
-    if (!arguments.length) return startAngle;
-    startAngle = d3.functor(v);
-    return chord;
-  };
-
-  chord.endAngle = function(v) {
-    if (!arguments.length) return endAngle;
-    endAngle = d3.functor(v);
-    return chord;
-  };
-
-  return chord;
-};
-
-function d3_svg_chordSource(d) {
-  return d.source;
-}
-
-function d3_svg_chordTarget(d) {
-  return d.target;
-}
-
-function d3_svg_chordRadius(d) {
-  return d.radius;
-}
-
-function d3_svg_chordStartAngle(d) {
-  return d.startAngle;
-}
-
-function d3_svg_chordEndAngle(d) {
-  return d.endAngle;
-}
-d3.svg.diagonal = function() {
-  var source = d3_svg_chordSource,
-      target = d3_svg_chordTarget,
-      projection = d3_svg_diagonalProjection;
-
-  function diagonal(d, i) {
-    var p0 = source.call(this, d, i),
-        p3 = target.call(this, d, i),
-        m = (p0.y + p3.y) / 2,
-        p = [p0, {x: p0.x, y: m}, {x: p3.x, y: m}, p3];
-    p = p.map(projection);
-    return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3];
-  }
-
-  diagonal.source = function(x) {
-    if (!arguments.length) return source;
-    source = d3.functor(x);
-    return diagonal;
-  };
-
-  diagonal.target = function(x) {
-    if (!arguments.length) return target;
-    target = d3.functor(x);
-    return diagonal;
-  };
-
-  diagonal.projection = function(x) {
-    if (!arguments.length) return projection;
-    projection = x;
-    return diagonal;
-  };
-
-  return diagonal;
-};
-
-function d3_svg_diagonalProjection(d) {
-  return [d.x, d.y];
-}
-d3.svg.diagonal.radial = function() {
-  var diagonal = d3.svg.diagonal(),
-      projection = d3_svg_diagonalProjection,
-      projection_ = diagonal.projection;
-
-  diagonal.projection = function(x) {
-    return arguments.length
-        ? projection_(d3_svg_diagonalRadialProjection(projection = x))
-        : projection;
-  };
-
-  return diagonal;
-};
-
-function d3_svg_diagonalRadialProjection(projection) {
-  return function() {
-    var d = projection.apply(this, arguments),
-        r = d[0],
-        a = d[1] + d3_svg_arcOffset;
-    return [r * Math.cos(a), r * Math.sin(a)];
-  };
-}
-d3.svg.mouse = d3.mouse;
-d3.svg.touches = d3.touches;
-d3.svg.symbol = function() {
-  var type = d3_svg_symbolType,
-      size = d3_svg_symbolSize;
-
-  function symbol(d, i) {
-    return (d3_svg_symbols.get(type.call(this, d, i))
-        || d3_svg_symbolCircle)
-        (size.call(this, d, i));
-  }
-
-  symbol.type = function(x) {
-    if (!arguments.length) return type;
-    type = d3.functor(x);
-    return symbol;
-  };
-
-  // size of symbol in square pixels
-  symbol.size = function(x) {
-    if (!arguments.length) return size;
-    size = d3.functor(x);
-    return symbol;
-  };
-
-  return symbol;
-};
-
-function d3_svg_symbolSize() {
-  return 64;
-}
-
-function d3_svg_symbolType() {
-  return "circle";
-}
-
-function d3_svg_symbolCircle(size) {
-  var r = Math.sqrt(size / Math.PI);
-  return "M0," + r
-      + "A" + r + "," + r + " 0 1,1 0," + (-r)
-      + "A" + r + "," + r + " 0 1,1 0," + r
-      + "Z";
-}
-
-// TODO cross-diagonal?
-var d3_svg_symbols = d3.map({
-  "circle": d3_svg_symbolCircle,
-  "cross": function(size) {
-    var r = Math.sqrt(size / 5) / 2;
-    return "M" + -3 * r + "," + -r
-        + "H" + -r
-        + "V" + -3 * r
-        + "H" + r
-        + "V" + -r
-        + "H" + 3 * r
-        + "V" + r
-        + "H" + r
-        + "V" + 3 * r
-        + "H" + -r
-        + "V" + r
-        + "H" + -3 * r
-        + "Z";
-  },
-  "diamond": function(size) {
-    var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)),
-        rx = ry * d3_svg_symbolTan30;
-    return "M0," + -ry
-        + "L" + rx + ",0"
-        + " 0," + ry
-        + " " + -rx + ",0"
-        + "Z";
-  },
-  "square": function(size) {
-    var r = Math.sqrt(size) / 2;
-    return "M" + -r + "," + -r
-        + "L" + r + "," + -r
-        + " " + r + "," + r
-        + " " + -r + "," + r
-        + "Z";
-  },
-  "triangle-down": function(size) {
-    var rx = Math.sqrt(size / d3_svg_symbolSqrt3),
-        ry = rx * d3_svg_symbolSqrt3 / 2;
-    return "M0," + ry
-        + "L" + rx +"," + -ry
-        + " " + -rx + "," + -ry
-        + "Z";
-  },
-  "triangle-up": function(size) {
-    var rx = Math.sqrt(size / d3_svg_symbolSqrt3),
-        ry = rx * d3_svg_symbolSqrt3 / 2;
-    return "M0," + -ry
-        + "L" + rx +"," + ry
-        + " " + -rx + "," + ry
-        + "Z";
-  }
-});
-
-d3.svg.symbolTypes = d3_svg_symbols.keys();
-
-var d3_svg_symbolSqrt3 = Math.sqrt(3),
-    d3_svg_symbolTan30 = Math.tan(30 * Math.PI / 180);
-d3.svg.axis = function() {
-  var scale = d3.scale.linear(),
-      orient = "bottom",
-      tickMajorSize = 6,
-      tickMinorSize = 6,
-      tickEndSize = 6,
-      tickPadding = 3,
-      tickArguments_ = [10],
-      tickValues = null,
-      tickFormat_,
-      tickSubdivide = 0;
-
-  function axis(g) {
-    g.each(function() {
-      var g = d3.select(this);
-
-      // Ticks, or domain values for ordinal scales.
-      var ticks = tickValues == null ? (scale.ticks ? scale.ticks.apply(scale, tickArguments_) : scale.domain()) : tickValues,
-          tickFormat = tickFormat_ == null ? (scale.tickFormat ? scale.tickFormat.apply(scale, tickArguments_) : String) : tickFormat_;
-
-      // Minor ticks.
-      var subticks = d3_svg_axisSubdivide(scale, ticks, tickSubdivide),
-          subtick = g.selectAll(".minor").data(subticks, String),
-          subtickEnter = subtick.enter().insert("line", "g").attr("class", "tick minor").style("opacity", 1e-6),
-          subtickExit = d3.transition(subtick.exit()).style("opacity", 1e-6).remove(),
-          subtickUpdate = d3.transition(subtick).style("opacity", 1);
-
-      // Major ticks.
-      var tick = g.selectAll("g").data(ticks, String),
-          tickEnter = tick.enter().insert("g", "path").style("opacity", 1e-6),
-          tickExit = d3.transition(tick.exit()).style("opacity", 1e-6).remove(),
-          tickUpdate = d3.transition(tick).style("opacity", 1),
-          tickTransform;
-
-      // Domain.
-      var range = d3_scaleRange(scale),
-          path = g.selectAll(".domain").data([0]),
-          pathEnter = path.enter().append("path").attr("class", "domain"),
-          pathUpdate = d3.transition(path);
-
-      // Stash a snapshot of the new scale, and retrieve the old snapshot.
-      var scale1 = scale.copy(),
-          scale0 = this.__chart__ || scale1;
-      this.__chart__ = scale1;
-
-      tickEnter.append("line").attr("class", "tick");
-      tickEnter.append("text");
-      tickUpdate.select("text").text(tickFormat);
-
-      switch (orient) {
-        case "bottom": {
-          tickTransform = d3_svg_axisX;
-          subtickEnter.attr("y2", tickMinorSize);
-          subtickUpdate.attr("x2", 0).attr("y2", tickMinorSize);
-          tickEnter.select("line").attr("y2", tickMajorSize);
-          tickEnter.select("text").attr("y", Math.max(tickMajorSize, 0) + tickPadding);
-          tickUpdate.select("line").attr("x2", 0).attr("y2", tickMajorSize);
-          tickUpdate.select("text").attr("x", 0).attr("y", Math.max(tickMajorSize, 0) + tickPadding).attr("dy", ".71em").attr("text-anchor", "middle");
-          pathUpdate.attr("d", "M" + range[0] + "," + tickEndSize + "V0H" + range[1] + "V" + tickEndSize);
-          break;
-        }
-        case "top": {
-          tickTransform = d3_svg_axisX;
-          subtickEnter.attr("y2", -tickMinorSize);
-          subtickUpdate.attr("x2", 0).attr("y2", -tickMinorSize);
-          tickEnter.select("line").attr("y2", -tickMajorSize);
-          tickEnter.select("text").attr("y", -(Math.max(tickMajorSize, 0) + tickPadding));
-          tickUpdate.select("line").attr("x2", 0).attr("y2", -tickMajorSize);
-          tickUpdate.select("text").attr("x", 0).attr("y", -(Math.max(tickMajorSize, 0) + tickPadding)).attr("dy", "0em").attr("text-anchor", "middle");
-          pathUpdate.attr("d", "M" + range[0] + "," + -tickEndSize + "V0H" + range[1] + "V" + -tickEndSize);
-          break;
-        }
-        case "left": {
-          tickTransform = d3_svg_axisY;
-          subtickEnter.attr("x2", -tickMinorSize);
-          subtickUpdate.attr("x2", -tickMinorSize).attr("y2", 0);
-          tickEnter.select("line").attr("x2", -tickMajorSize);
-          tickEnter.select("text").attr("x", -(Math.max(tickMajorSize, 0) + tickPadding));
-          tickUpdate.select("line").attr("x2", -tickMajorSize).attr("y2", 0);
-          tickUpdate.select("text").attr("x", -(Math.max(tickMajorSize, 0) + tickPadding)).attr("y", 0).attr("dy", ".32em").attr("text-anchor", "end");
-          pathUpdate.attr("d", "M" + -tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + -tickEndSize);
-          break;
-        }
-        case "right": {
-          tickTransform = d3_svg_axisY;
-          subtickEnter.attr("x2", tickMinorSize);
-          subtickUpdate.attr("x2", tickMinorSize).attr("y2", 0);
-          tickEnter.select("line").attr("x2", tickMajorSize);
-          tickEnter.select("text").attr("x", Math.max(tickMajorSize, 0) + tickPadding);
-          tickUpdate.select("line").attr("x2", tickMajorSize).attr("y2", 0);
-          tickUpdate.select("text").attr("x", Math.max(tickMajorSize, 0) + tickPadding).attr("y", 0).attr("dy", ".32em").attr("text-anchor", "start");
-          pathUpdate.attr("d", "M" + tickEndSize + "," + range[0] + "H0V" + range[1] + "H" + tickEndSize);
-          break;
-        }
-      }
-
-      // For quantitative scales:
-      // - enter new ticks from the old scale
-      // - exit old ticks to the new scale
-      if (scale.ticks) {
-        tickEnter.call(tickTransform, scale0);
-        tickUpdate.call(tickTransform, scale1);
-        tickExit.call(tickTransform, scale1);
-        subtickEnter.call(tickTransform, scale0);
-        subtickUpdate.call(tickTransform, scale1);
-        subtickExit.call(tickTransform, scale1);
-      }
-
-      // For ordinal scales:
-      // - any entering ticks are undefined in the old scale
-      // - any exiting ticks are undefined in the new scale
-      // Therefore, we only need to transition updating ticks.
-      else {
-        var dx = scale1.rangeBand() / 2, x = function(d) { return scale1(d) + dx; };
-        tickEnter.call(tickTransform, x);
-        tickUpdate.call(tickTransform, x);
-      }
-    });
-  }
-
-  axis.scale = function(x) {
-    if (!arguments.length) return scale;
-    scale = x;
-    return axis;
-  };
-
-  axis.orient = function(x) {
-    if (!arguments.length) return orient;
-    orient = x;
-    return axis;
-  };
-
-  axis.ticks = function() {
-    if (!arguments.length) return tickArguments_;
-    tickArguments_ = arguments;
-    return axis;
-  };
-
-  axis.tickValues = function(x) {
-    if (!arguments.length) return tickValues;
-    tickValues = x;
-    return axis;
-  };
-
-  axis.tickFormat = function(x) {
-    if (!arguments.length) return tickFormat_;
-    tickFormat_ = x;
-    return axis;
-  };
-
-  axis.tickSize = function(x, y, z) {
-    if (!arguments.length) return tickMajorSize;
-    var n = arguments.length - 1;
-    tickMajorSize = +x;
-    tickMinorSize = n > 1 ? +y : tickMajorSize;
-    tickEndSize = n > 0 ? +arguments[n] : tickMajorSize;
-    return axis;
-  };
-
-  axis.tickPadding = function(x) {
-    if (!arguments.length) return tickPadding;
-    tickPadding = +x;
-    return axis;
-  };
-
-  axis.tickSubdivide = function(x) {
-    if (!arguments.length) return tickSubdivide;
-    tickSubdivide = +x;
-    return axis;
-  };
-
-  return axis;
-};
-
-function d3_svg_axisX(selection, x) {
-  selection.attr("transform", function(d) { return "translate(" + x(d) + ",0)"; });
-}
-
-function d3_svg_axisY(selection, y) {
-  selection.attr("transform", function(d) { return "translate(0," + y(d) + ")"; });
-}
-
-function d3_svg_axisSubdivide(scale, ticks, m) {
-  subticks = [];
-  if (m && ticks.length > 1) {
-    var extent = d3_scaleExtent(scale.domain()),
-        subticks,
-        i = -1,
-        n = ticks.length,
-        d = (ticks[1] - ticks[0]) / ++m,
-        j,
-        v;
-    while (++i < n) {
-      for (j = m; --j > 0;) {
-        if ((v = +ticks[i] - j * d) >= extent[0]) {
-          subticks.push(v);
-        }
-      }
-    }
-    for (--i, j = 0; ++j < m && (v = +ticks[i] + j * d) < extent[1];) {
-      subticks.push(v);
-    }
-  }
-  return subticks;
-}
-d3.svg.brush = function() {
-  var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"),
-      x = null, // x-scale, optional
-      y = null, // y-scale, optional
-      resizes = d3_svg_brushResizes[0],
-      extent = [[0, 0], [0, 0]], // [x0, y0], [x1, y1], in pixels (integers)
-      extentDomain; // the extent in data space, lazily created
-
-  function brush(g) {
-    g.each(function() {
-      var g = d3.select(this),
-          bg = g.selectAll(".background").data([0]),
-          fg = g.selectAll(".extent").data([0]),
-          tz = g.selectAll(".resize").data(resizes, String),
-          e;
-
-      // Prepare the brush container for events.
-      g
-          .style("pointer-events", "all")
-          .on("mousedown.brush", brushstart)
-          .on("touchstart.brush", brushstart);
-
-      // An invisible, mouseable area for starting a new brush.
-      bg.enter().append("rect")
-          .attr("class", "background")
-          .style("visibility", "hidden")
-          .style("cursor", "crosshair");
-
-      // The visible brush extent; style this as you like!
-      fg.enter().append("rect")
-          .attr("class", "extent")
-          .style("cursor", "move");
-
-      // More invisible rects for resizing the extent.
-      tz.enter().append("g")
-          .attr("class", function(d) { return "resize " + d; })
-          .style("cursor", function(d) { return d3_svg_brushCursor[d]; })
-        .append("rect")
-          .attr("x", function(d) { return /[ew]$/.test(d) ? -3 : null; })
-          .attr("y", function(d) { return /^[ns]/.test(d) ? -3 : null; })
-          .attr("width", 6)
-          .attr("height", 6)
-          .style("visibility", "hidden");
-
-      // Show or hide the resizers.
-      tz.style("display", brush.empty() ? "none" : null);
-
-      // Remove any superfluous resizers.
-      tz.exit().remove();
-
-      // Initialize the background to fill the defined range.
-      // If the range isn't defined, you can post-process.
-      if (x) {
-        e = d3_scaleRange(x);
-        bg.attr("x", e[0]).attr("width", e[1] - e[0]);
-        redrawX(g);
-      }
-      if (y) {
-        e = d3_scaleRange(y);
-        bg.attr("y", e[0]).attr("height", e[1] - e[0]);
-        redrawY(g);
-      }
-      redraw(g);
-    });
-  }
-
-  function redraw(g) {
-    g.selectAll(".resize").attr("transform", function(d) {
-      return "translate(" + extent[+/e$/.test(d)][0] + "," + extent[+/^s/.test(d)][1] + ")";
-    });
-  }
-
-  function redrawX(g) {
-    g.select(".extent").attr("x", extent[0][0]);
-    g.selectAll(".extent,.n>rect,.s>rect").attr("width", extent[1][0] - extent[0][0]);
-  }
-
-  function redrawY(g) {
-    g.select(".extent").attr("y", extent[0][1]);
-    g.selectAll(".extent,.e>rect,.w>rect").attr("height", extent[1][1] - extent[0][1]);
-  }
-
-  function brushstart() {
-    var target = this,
-        eventTarget = d3.select(d3.event.target),
-        event_ = event.of(target, arguments),
-        g = d3.select(target),
-        resizing = eventTarget.datum(),
-        resizingX = !/^(n|s)$/.test(resizing) && x,
-        resizingY = !/^(e|w)$/.test(resizing) && y,
-        dragging = eventTarget.classed("extent"),
-        center,
-        origin = mouse(),
-        offset;
-
-    var w = d3.select(window)
-        .on("mousemove.brush", brushmove)
-        .on("mouseup.brush", brushend)
-        .on("touchmove.brush", brushmove)
-        .on("touchend.brush", brushend)
-        .on("keydown.brush", keydown)
-        .on("keyup.brush", keyup);
-
-    // If the extent was clicked on, drag rather than brush;
-    // store the point between the mouse and extent origin instead.
-    if (dragging) {
-      origin[0] = extent[0][0] - origin[0];
-      origin[1] = extent[0][1] - origin[1];
-    }
-
-    // If a resizer was clicked on, record which side is to be resized.
-    // Also, set the origin to the opposite side.
-    else if (resizing) {
-      var ex = +/w$/.test(resizing),
-          ey = +/^n/.test(resizing);
-      offset = [extent[1 - ex][0] - origin[0], extent[1 - ey][1] - origin[1]];
-      origin[0] = extent[ex][0];
-      origin[1] = extent[ey][1];
-    }
-
-    // If the ALT key is down when starting a brush, the center is at the mouse.
-    else if (d3.event.altKey) center = origin.slice();
-
-    // Propagate the active cursor to the body for the drag duration.
-    g.style("pointer-events", "none").selectAll(".resize").style("display", null);
-    d3.select("body").style("cursor", eventTarget.style("cursor"));
-
-    // Notify listeners.
-    event_({type: "brushstart"});
-    brushmove();
-    d3_eventCancel();
-
-    function mouse() {
-      var touches = d3.event.changedTouches;
-      return touches ? d3.touches(target, touches)[0] : d3.mouse(target);
-    }
-
-    function keydown() {
-      if (d3.event.keyCode == 32) {
-        if (!dragging) {
-          center = null;
-          origin[0] -= extent[1][0];
-          origin[1] -= extent[1][1];
-          dragging = 2;
-        }
-        d3_eventCancel();
-      }
-    }
-
-    function keyup() {
-      if (d3.event.keyCode == 32 && dragging == 2) {
-        origin[0] += extent[1][0];
-        origin[1] += extent[1][1];
-        dragging = 0;
-        d3_eventCancel();
-      }
-    }
-
-    function brushmove() {
-      var point = mouse(),
-          moved = false;
-
-      // Preserve the offset for thick resizers.
-      if (offset) {
-        point[0] += offset[0];
-        point[1] += offset[1];
-      }
-
-      if (!dragging) {
-
-        // If needed, determine the center from the current extent.
-        if (d3.event.altKey) {
-          if (!center) center = [(extent[0][0] + extent[1][0]) / 2, (extent[0][1] + extent[1][1]) / 2];
-
-          // Update the origin, for when the ALT key is released.
-          origin[0] = extent[+(point[0] < center[0])][0];
-          origin[1] = extent[+(point[1] < center[1])][1];
-        }
-
-        // When the ALT key is released, we clear the center.
-        else center = null;
-      }
-
-      // Update the brush extent for each dimension.
-      if (resizingX && move1(point, x, 0)) {
-        redrawX(g);
-        moved = true;
-      }
-      if (resizingY && move1(point, y, 1)) {
-        redrawY(g);
-        moved = true;
-      }
-
-      // Final redraw and notify listeners.
-      if (moved) {
-        redraw(g);
-        event_({type: "brush", mode: dragging ? "move" : "resize"});
-      }
-    }
-
-    function move1(point, scale, i) {
-      var range = d3_scaleRange(scale),
-          r0 = range[0],
-          r1 = range[1],
-          position = origin[i],
-          size = extent[1][i] - extent[0][i],
-          min,
-          max;
-
-      // When dragging, reduce the range by the extent size and position.
-      if (dragging) {
-        r0 -= position;
-        r1 -= size + position;
-      }
-
-      // Clamp the point so that the extent fits within the range extent.
-      min = Math.max(r0, Math.min(r1, point[i]));
-
-      // Compute the new extent bounds.
-      if (dragging) {
-        max = (min += position) + size;
-      } else {
-
-        // If the ALT key is pressed, then preserve the center of the extent.
-        if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min));
-
-        // Compute the min and max of the position and point.
-        if (position < min) {
-          max = min;
-          min = position;
-        } else {
-          max = position;
-        }
-      }
-
-      // Update the stored bounds.
-      if (extent[0][i] !== min || extent[1][i] !== max) {
-        extentDomain = null;
-        extent[0][i] = min;
-        extent[1][i] = max;
-        return true;
-      }
-    }
-
-    function brushend() {
-      brushmove();
-
-      // reset the cursor styles
-      g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null);
-      d3.select("body").style("cursor", null);
-
-      w .on("mousemove.brush", null)
-        .on("mouseup.brush", null)
-        .on("touchmove.brush", null)
-        .on("touchend.brush", null)
-        .on("keydown.brush", null)
-        .on("keyup.brush", null);
-
-      event_({type: "brushend"});
-      d3_eventCancel();
-    }
-  }
-
-  brush.x = function(z) {
-    if (!arguments.length) return x;
-    x = z;
-    resizes = d3_svg_brushResizes[!x << 1 | !y]; // fore!
-    return brush;
-  };
-
-  brush.y = function(z) {
-    if (!arguments.length) return y;
-    y = z;
-    resizes = d3_svg_brushResizes[!x << 1 | !y]; // fore!
-    return brush;
-  };
-
-  brush.extent = function(z) {
-    var x0, x1, y0, y1, t;
-
-    // Invert the pixel extent to data-space.
-    if (!arguments.length) {
-      z = extentDomain || extent;
-      if (x) {
-        x0 = z[0][0], x1 = z[1][0];
-        if (!extentDomain) {
-          x0 = extent[0][0], x1 = extent[1][0];
-          if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1);
-          if (x1 < x0) t = x0, x0 = x1, x1 = t;
-        }
-      }
-      if (y) {
-        y0 = z[0][1], y1 = z[1][1];
-        if (!extentDomain) {
-          y0 = extent[0][1], y1 = extent[1][1];
-          if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1);
-          if (y1 < y0) t = y0, y0 = y1, y1 = t;
-        }
-      }
-      return x && y ? [[x0, y0], [x1, y1]] : x ? [x0, x1] : y && [y0, y1];
-    }
-
-    // Scale the data-space extent to pixels.
-    extentDomain = [[0, 0], [0, 0]];
-    if (x) {
-      x0 = z[0], x1 = z[1];
-      if (y) x0 = x0[0], x1 = x1[0];
-      extentDomain[0][0] = x0, extentDomain[1][0] = x1;
-      if (x.invert) x0 = x(x0), x1 = x(x1);
-      if (x1 < x0) t = x0, x0 = x1, x1 = t;
-      extent[0][0] = x0 | 0, extent[1][0] = x1 | 0;
-    }
-    if (y) {
-      y0 = z[0], y1 = z[1];
-      if (x) y0 = y0[1], y1 = y1[1];
-      extentDomain[0][1] = y0, extentDomain[1][1] = y1;
-      if (y.invert) y0 = y(y0), y1 = y(y1);
-      if (y1 < y0) t = y0, y0 = y1, y1 = t;
-      extent[0][1] = y0 | 0, extent[1][1] = y1 | 0;
-    }
-
-    return brush;
-  };
-
-  brush.clear = function() {
-    extentDomain = null;
-    extent[0][0] =
-    extent[0][1] =
-    extent[1][0] =
-    extent[1][1] = 0;
-    return brush;
-  };
-
-  brush.empty = function() {
-    return (x && extent[0][0] === extent[1][0])
-        || (y && extent[0][1] === extent[1][1]);
-  };
-
-  return d3.rebind(brush, event, "on");
-};
-
-var d3_svg_brushCursor = {
-  n: "ns-resize",
-  e: "ew-resize",
-  s: "ns-resize",
-  w: "ew-resize",
-  nw: "nwse-resize",
-  ne: "nesw-resize",
-  se: "nwse-resize",
-  sw: "nesw-resize"
-};
-
-var d3_svg_brushResizes = [
-  ["n", "e", "s", "w", "nw", "ne", "se", "sw"],
-  ["e", "w"],
-  ["n", "s"],
-  []
-];
-d3.behavior = {};
-// TODO Track touch points by identifier.
-
-d3.behavior.drag = function() {
-  var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"),
-      origin = null;
-
-  function drag() {
-    this.on("mousedown.drag", mousedown)
-        .on("touchstart.drag", mousedown);
-  }
-
-  function mousedown() {
-    var target = this,
-        event_ = event.of(target, arguments),
-        eventTarget = d3.event.target,
-        offset,
-        origin_ = point(),
-        moved = 0;
-
-    var w = d3.select(window)
-        .on("mousemove.drag", dragmove)
-        .on("touchmove.drag", dragmove)
-        .on("mouseup.drag", dragend, true)
-        .on("touchend.drag", dragend, true);
-
-    if (origin) {
-      offset = origin.apply(target, arguments);
-      offset = [offset.x - origin_[0], offset.y - origin_[1]];
-    } else {
-      offset = [0, 0];
-    }
-
-    event_({type: "dragstart"});
-
-    function point() {
-      var p = target.parentNode,
-          t = d3.event.changedTouches;
-      return t ? d3.touches(p, t)[0] : d3.mouse(p);
-    }
-
-    function dragmove() {
-      if (!target.parentNode) return dragend(); // target removed from DOM
-
-      var p = point(),
-          dx = p[0] - origin_[0],
-          dy = p[1] - origin_[1];
-
-      moved |= dx | dy;
-      origin_ = p;
-      d3_eventCancel();
-
-      event_({type: "drag", x: p[0] + offset[0], y: p[1] + offset[1], dx: dx, dy: dy});
-    }
-
-    function dragend() {
-      event_({type: "dragend"});
-
-      // if moved, prevent the mouseup (and possibly click) from propagating
-      if (moved) {
-        d3_eventCancel();
-        if (d3.event.target === eventTarget) w.on("click.drag", click, true);
-      }
-
-      w .on("mousemove.drag", null)
-        .on("touchmove.drag", null)
-        .on("mouseup.drag", null)
-        .on("touchend.drag", null);
-    }
-
-    // prevent the subsequent click from propagating (e.g., for anchors)
-    function click() {
-      d3_eventCancel();
-      w.on("click.drag", null);
-    }
-  }
-
-  drag.origin = function(x) {
-    if (!arguments.length) return origin;
-    origin = x;
-    return drag;
-  };
-
-  return d3.rebind(drag, event, "on");
-};
-d3.behavior.zoom = function() {
-  var translate = [0, 0],
-      translate0, // translate when we started zooming (to avoid drift)
-      scale = 1,
-      scale0, // scale when we started touching
-      scaleExtent = d3_behavior_zoomInfinity,
-      event = d3_eventDispatch(zoom, "zoom"),
-      x0,
-      x1,
-      y0,
-      y1,
-      touchtime; // time of last touchstart (to detect double-tap)
-
-  function zoom() {
-    this
-        .on("mousedown.zoom", mousedown)
-        .on("mousewheel.zoom", mousewheel)
-        .on("mousemove.zoom", mousemove)
-        .on("DOMMouseScroll.zoom", mousewheel)
-        .on("dblclick.zoom", dblclick)
-        .on("touchstart.zoom", touchstart)
-        .on("touchmove.zoom", touchmove)
-        .on("touchend.zoom", touchstart);
-  }
-
-  zoom.translate = function(x) {
-    if (!arguments.length) return translate;
-    translate = x.map(Number);
-    return zoom;
-  };
-
-  zoom.scale = function(x) {
-    if (!arguments.length) return scale;
-    scale = +x;
-    return zoom;
-  };
-
-  zoom.scaleExtent = function(x) {
-    if (!arguments.length) return scaleExtent;
-    scaleExtent = x == null ? d3_behavior_zoomInfinity : x.map(Number);
-    return zoom;
-  };
-
-  zoom.x = function(z) {
-    if (!arguments.length) return x1;
-    x1 = z;
-    x0 = z.copy();
-    return zoom;
-  };
-
-  zoom.y = function(z) {
-    if (!arguments.length) return y1;
-    y1 = z;
-    y0 = z.copy();
-    return zoom;
-  };
-
-  function location(p) {
-    return [(p[0] - translate[0]) / scale, (p[1] - translate[1]) / scale];
-  }
-
-  function point(l) {
-    return [l[0] * scale + translate[0], l[1] * scale + translate[1]];
-  }
-
-  function scaleTo(s) {
-    scale = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s));
-  }
-
-  function translateTo(p, l) {
-    l = point(l);
-    translate[0] += p[0] - l[0];
-    translate[1] += p[1] - l[1];
-  }
-
-  function dispatch(event) {
-    if (x1) x1.domain(x0.range().map(function(x) { return (x - translate[0]) / scale; }).map(x0.invert));
-    if (y1) y1.domain(y0.range().map(function(y) { return (y - translate[1]) / scale; }).map(y0.invert));
-    d3.event.preventDefault();
-    event({type: "zoom", scale: scale, translate: translate});
-  }
-
-  function mousedown() {
-    var target = this,
-        event_ = event.of(target, arguments),
-        eventTarget = d3.event.target,
-        moved = 0,
-        w = d3.select(window).on("mousemove.zoom", mousemove).on("mouseup.zoom", mouseup),
-        l = location(d3.mouse(target));
-
-    window.focus();
-    d3_eventCancel();
-
-    function mousemove() {
-      moved = 1;
-      translateTo(d3.mouse(target), l);
-      dispatch(event_);
-    }
-
-    function mouseup() {
-      if (moved) d3_eventCancel();
-      w.on("mousemove.zoom", null).on("mouseup.zoom", null);
-      if (moved && d3.event.target === eventTarget) w.on("click.zoom", click);
-    }
-
-    function click() {
-      d3_eventCancel();
-      w.on("click.zoom", null);
-    }
-  }
-
-  function mousewheel() {
-    if (!translate0) translate0 = location(d3.mouse(this));
-    scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * scale);
-    translateTo(d3.mouse(this), translate0);
-    dispatch(event.of(this, arguments));
-  }
-
-  function mousemove() {
-    translate0 = null;
-  }
-
-  function dblclick() {
-    var p = d3.mouse(this), l = location(p);
-    scaleTo(d3.event.shiftKey ? scale / 2 : scale * 2);
-    translateTo(p, l);
-    dispatch(event.of(this, arguments));
-  }
-
-  function touchstart() {
-    var touches = d3.touches(this),
-        now = Date.now();
-
-    scale0 = scale;
-    translate0 = {};
-    touches.forEach(function(t) { translate0[t.identifier] = location(t); });
-    d3_eventCancel();
-
-    if ((touches.length === 1) && (now - touchtime < 500)) { // dbltap
-      var p = touches[0], l = location(touches[0]);
-      scaleTo(scale * 2);
-      translateTo(p, l);
-      dispatch(event.of(this, arguments));
-    }
-    touchtime = now;
-  }
-
-  function touchmove() {
-    var touches = d3.touches(this),
-        p0 = touches[0],
-        l0 = translate0[p0.identifier];
-    if (p1 = touches[1]) {
-      var p1, l1 = translate0[p1.identifier];
-      p0 = [(p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2];
-      l0 = [(l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2];
-      scaleTo(d3.event.scale * scale0);
-    }
-    translateTo(p0, l0);
-    dispatch(event.of(this, arguments));
-  }
-
-  return d3.rebind(zoom, event, "on");
-};
-
-var d3_behavior_zoomDiv, // for interpreting mousewheel events
-    d3_behavior_zoomInfinity = [0, Infinity]; // default scale extent
-
-function d3_behavior_zoomDelta() {
-
-  // mousewheel events are totally broken!
-  // https://bugs.webkit.org/show_bug.cgi?id=40441
-  // not only that, but Chrome and Safari differ in re. to acceleration!
-  if (!d3_behavior_zoomDiv) {
-    d3_behavior_zoomDiv = d3.select("body").append("div")
-        .style("visibility", "hidden")
-        .style("top", 0)
-        .style("height", 0)
-        .style("width", 0)
-        .style("overflow-y", "scroll")
-      .append("div")
-        .style("height", "2000px")
-      .node().parentNode;
-  }
-
-  var e = d3.event, delta;
-  try {
-    d3_behavior_zoomDiv.scrollTop = 1000;
-    d3_behavior_zoomDiv.dispatchEvent(e);
-    delta = 1000 - d3_behavior_zoomDiv.scrollTop;
-  } catch (error) {
-    delta = e.wheelDelta || (-e.detail * 5);
-  }
-
-  return delta;
-}
-d3.layout = {};
-// Implements hierarchical edge bundling using Holten's algorithm. For each
-// input link, a path is computed that travels through the tree, up the parent
-// hierarchy to the least common ancestor, and then back down to the destination
-// node. Each path is simply an array of nodes.
-d3.layout.bundle = function() {
-  return function(links) {
-    var paths = [],
-        i = -1,
-        n = links.length;
-    while (++i < n) paths.push(d3_layout_bundlePath(links[i]));
-    return paths;
-  };
-};
-
-function d3_layout_bundlePath(link) {
-  var start = link.source,
-      end = link.target,
-      lca = d3_layout_bundleLeastCommonAncestor(start, end),
-      points = [start];
-  while (start !== lca) {
-    start = start.parent;
-    points.push(start);
-  }
-  var k = points.length;
-  while (end !== lca) {
-    points.splice(k, 0, end);
-    end = end.parent;
-  }
-  return points;
-}
-
-function d3_layout_bundleAncestors(node) {
-  var ancestors = [],
-      parent = node.parent;
-  while (parent != null) {
-    ancestors.push(node);
-    node = parent;
-    parent = parent.parent;
-  }
-  ancestors.push(node);
-  return ancestors;
-}
-
-function d3_layout_bundleLeastCommonAncestor(a, b) {
-  if (a === b) return a;
-  var aNodes = d3_layout_bundleAncestors(a),
-      bNodes = d3_layout_bundleAncestors(b),
-      aNode = aNodes.pop(),
-      bNode = bNodes.pop(),
-      sharedNode = null;
-  while (aNode === bNode) {
-    sharedNode = aNode;
-    aNode = aNodes.pop();
-    bNode = bNodes.pop();
-  }
-  return sharedNode;
-}
-d3.layout.chord = function() {
-  var chord = {},
-      chords,
-      groups,
-      matrix,
-      n,
-      padding = 0,
-      sortGroups,
-      sortSubgroups,
-      sortChords;
-
-  function relayout() {
-    var subgroups = {},
-        groupSums = [],
-        groupIndex = d3.range(n),
-        subgroupIndex = [],
-        k,
-        x,
-        x0,
-        i,
-        j;
-
-    chords = [];
-    groups = [];
-
-    // Compute the sum.
-    k = 0, i = -1; while (++i < n) {
-      x = 0, j = -1; while (++j < n) {
-        x += matrix[i][j];
-      }
-      groupSums.push(x);
-      subgroupIndex.push(d3.range(n));
-      k += x;
-    }
-
-    // Sort groups…
-    if (sortGroups) {
-      groupIndex.sort(function(a, b) {
-        return sortGroups(groupSums[a], groupSums[b]);
-      });
-    }
-
-    // Sort subgroups…
-    if (sortSubgroups) {
-      subgroupIndex.forEach(function(d, i) {
-        d.sort(function(a, b) {
-          return sortSubgroups(matrix[i][a], matrix[i][b]);
-        });
-      });
-    }
-
-    // Convert the sum to scaling factor for [0, 2pi].
-    // TODO Allow start and end angle to be specified.
-    // TODO Allow padding to be specified as percentage?
-    k = (2 * Math.PI - padding * n) / k;
-
-    // Compute the start and end angle for each group and subgroup.
-    // Note: Opera has a bug reordering object literal properties!
-    x = 0, i = -1; while (++i < n) {
-      x0 = x, j = -1; while (++j < n) {
-        var di = groupIndex[i],
-            dj = subgroupIndex[di][j],
-            v = matrix[di][dj],
-            a0 = x,
-            a1 = x += v * k;
-        subgroups[di + "-" + dj] = {
-          index: di,
-          subindex: dj,
-          startAngle: a0,
-          endAngle: a1,
-          value: v
-        };
-      }
-      groups.push({
-        index: di,
-        startAngle: x0,
-        endAngle: x,
-        value: (x - x0) / k
-      });
-      x += padding;
-    }
-
-    // Generate chords for each (non-empty) subgroup-subgroup link.
-    i = -1; while (++i < n) {
-      j = i - 1; while (++j < n) {
-        var source = subgroups[i + "-" + j],
-            target = subgroups[j + "-" + i];
-        if (source.value || target.value) {
-          chords.push(source.value < target.value
-              ? {source: target, target: source}
-              : {source: source, target: target});
-        }
-      }
-    }
-
-    if (sortChords) resort();
-  }
-
-  function resort() {
-    chords.sort(function(a, b) {
-      return sortChords(
-          (a.source.value + a.target.value) / 2,
-          (b.source.value + b.target.value) / 2);
-    });
-  }
-
-  chord.matrix = function(x) {
-    if (!arguments.length) return matrix;
-    n = (matrix = x) && matrix.length;
-    chords = groups = null;
-    return chord;
-  };
-
-  chord.padding = function(x) {
-    if (!arguments.length) return padding;
-    padding = x;
-    chords = groups = null;
-    return chord;
-  };
-
-  chord.sortGroups = function(x) {
-    if (!arguments.length) return sortGroups;
-    sortGroups = x;
-    chords = groups = null;
-    return chord;
-  };
-
-  chord.sortSubgroups = function(x) {
-    if (!arguments.length) return sortSubgroups;
-    sortSubgroups = x;
-    chords = null;
-    return chord;
-  };
-
-  chord.sortChords = function(x) {
-    if (!arguments.length) return sortChords;
-    sortChords = x;
-    if (chords) resort();
-    return chord;
-  };
-
-  chord.chords = function() {
-    if (!chords) relayout();
-    return chords;
-  };
-
-  chord.groups = function() {
-    if (!groups) relayout();
-    return groups;
-  };
-
-  return chord;
-};
-// A rudimentary force layout using Gauss-Seidel.
-d3.layout.force = function() {
-  var force = {},
-      event = d3.dispatch("start", "tick", "end"),
-      size = [1, 1],
-      drag,
-      alpha,
-      friction = .9,
-      linkDistance = d3_layout_forceLinkDistance,
-      linkStrength = d3_layout_forceLinkStrength,
-      charge = -30,
-      gravity = .1,
-      theta = .8,
-      interval,
-      nodes = [],
-      links = [],
-      distances,
-      strengths,
-      charges;
-
-  function repulse(node) {
-    return function(quad, x1, y1, x2, y2) {
-      if (quad.point !== node) {
-        var dx = quad.cx - node.x,
-            dy = quad.cy - node.y,
-            dn = 1 / Math.sqrt(dx * dx + dy * dy);
-
-        /* Barnes-Hut criterion. */
-        if ((x2 - x1) * dn < theta) {
-          var k = quad.charge * dn * dn;
-          node.px -= dx * k;
-          node.py -= dy * k;
-          return true;
-        }
-
-        if (quad.point && isFinite(dn)) {
-          var k = quad.pointCharge * dn * dn;
-          node.px -= dx * k;
-          node.py -= dy * k;
-        }
-      }
-      return !quad.charge;
-    };
-  }
-
-  force.tick = function() {
-    // simulated annealing, basically
-    if ((alpha *= .99) < .005) {
-      event.end({type: "end", alpha: alpha = 0});
-      return true;
-    }
-
-    var n = nodes.length,
-        m = links.length,
-        q,
-        i, // current index
-        o, // current object
-        s, // current source
-        t, // current target
-        l, // current distance
-        k, // current force
-        x, // x-distance
-        y; // y-distance
-
-    // gauss-seidel relaxation for links
-    for (i = 0; i < m; ++i) {
-      o = links[i];
-      s = o.source;
-      t = o.target;
-      x = t.x - s.x;
-      y = t.y - s.y;
-      if (l = (x * x + y * y)) {
-        l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l;
-        x *= l;
-        y *= l;
-        t.x -= x * (k = s.weight / (t.weight + s.weight));
-        t.y -= y * k;
-        s.x += x * (k = 1 - k);
-        s.y += y * k;
-      }
-    }
-
-    // apply gravity forces
-    if (k = alpha * gravity) {
-      x = size[0] / 2;
-      y = size[1] / 2;
-      i = -1; if (k) while (++i < n) {
-        o = nodes[i];
-        o.x += (x - o.x) * k;
-        o.y += (y - o.y) * k;
-      }
-    }
-
-    // compute quadtree center of mass and apply charge forces
-    if (charge) {
-      d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges);
-      i = -1; while (++i < n) {
-        if (!(o = nodes[i]).fixed) {
-          q.visit(repulse(o));
-        }
-      }
-    }
-
-    // position verlet integration
-    i = -1; while (++i < n) {
-      o = nodes[i];
-      if (o.fixed) {
-        o.x = o.px;
-        o.y = o.py;
-      } else {
-        o.x -= (o.px - (o.px = o.x)) * friction;
-        o.y -= (o.py - (o.py = o.y)) * friction;
-      }
-    }
-
-    event.tick({type: "tick", alpha: alpha});
-  };
-
-  force.nodes = function(x) {
-    if (!arguments.length) return nodes;
-    nodes = x;
-    return force;
-  };
-
-  force.links = function(x) {
-    if (!arguments.length) return links;
-    links = x;
-    return force;
-  };
-
-  force.size = function(x) {
-    if (!arguments.length) return size;
-    size = x;
-    return force;
-  };
-
-  force.linkDistance = function(x) {
-    if (!arguments.length) return linkDistance;
-    linkDistance = d3.functor(x);
-    return force;
-  };
-
-  // For backwards-compatibility.
-  force.distance = force.linkDistance;
-
-  force.linkStrength = function(x) {
-    if (!arguments.length) return linkStrength;
-    linkStrength = d3.functor(x);
-    return force;
-  };
-
-  force.friction = function(x) {
-    if (!arguments.length) return friction;
-    friction = x;
-    return force;
-  };
-
-  force.charge = function(x) {
-    if (!arguments.length) return charge;
-    charge = typeof x === "function" ? x : +x;
-    return force;
-  };
-
-  force.gravity = function(x) {
-    if (!arguments.length) return gravity;
-    gravity = x;
-    return force;
-  };
-
-  force.theta = function(x) {
-    if (!arguments.length) return theta;
-    theta = x;
-    return force;
-  };
-
-  force.alpha = function(x) {
-    if (!arguments.length) return alpha;
-
-    if (alpha) { // if we're already running
-      if (x > 0) alpha = x; // we might keep it hot
-      else alpha = 0; // or, next tick will dispatch "end"
-    } else if (x > 0) { // otherwise, fire it up!
-      event.start({type: "start", alpha: alpha = x});
-      d3.timer(force.tick);
-    }
-
-    return force;
-  };
-
-  force.start = function() {
-    var i,
-        j,
-        n = nodes.length,
-        m = links.length,
-        w = size[0],
-        h = size[1],
-        neighbors,
-        o;
-
-    for (i = 0; i < n; ++i) {
-      (o = nodes[i]).index = i;
-      o.weight = 0;
-    }
-
-    distances = [];
-    strengths = [];
-    for (i = 0; i < m; ++i) {
-      o = links[i];
-      if (typeof o.source == "number") o.source = nodes[o.source];
-      if (typeof o.target == "number") o.target = nodes[o.target];
-      distances[i] = linkDistance.call(this, o, i);
-      strengths[i] = linkStrength.call(this, o, i);
-      ++o.source.weight;
-      ++o.target.weight;
-    }
-
-    for (i = 0; i < n; ++i) {
-      o = nodes[i];
-      if (isNaN(o.x)) o.x = position("x", w);
-      if (isNaN(o.y)) o.y = position("y", h);
-      if (isNaN(o.px)) o.px = o.x;
-      if (isNaN(o.py)) o.py = o.y;
-    }
-
-    charges = [];
-    if (typeof charge === "function") {
-      for (i = 0; i < n; ++i) {
-        charges[i] = +charge.call(this, nodes[i], i);
-      }
-    } else {
-      for (i = 0; i < n; ++i) {
-        charges[i] = charge;
-      }
-    }
-
-    // initialize node position based on first neighbor
-    function position(dimension, size) {
-      var neighbors = neighbor(i),
-          j = -1,
-          m = neighbors.length,
-          x;
-      while (++j < m) if (!isNaN(x = neighbors[j][dimension])) return x;
-      return Math.random() * size;
-    }
-
-    // initialize neighbors lazily
-    function neighbor() {
-      if (!neighbors) {
-        neighbors = [];
-        for (j = 0; j < n; ++j) {
-          neighbors[j] = [];
-        }
-        for (j = 0; j < m; ++j) {
-          var o = links[j];
-          neighbors[o.source.index].push(o.target);
-          neighbors[o.target.index].push(o.source);
-        }
-      }
-      return neighbors[i];
-    }
-
-    return force.resume();
-  };
-
-  force.resume = function() {
-    return force.alpha(.1);
-  };
-
-  force.stop = function() {
-    return force.alpha(0);
-  };
-
-  // use `node.call(force.drag)` to make nodes draggable
-  force.drag = function() {
-    if (!drag) drag = d3.behavior.drag()
-        .origin(Object)
-        .on("dragstart", dragstart)
-        .on("drag", d3_layout_forceDrag)
-        .on("dragend", d3_layout_forceDragEnd);
-
-    this.on("mouseover.force", d3_layout_forceDragOver)
-        .on("mouseout.force", d3_layout_forceDragOut)
-        .call(drag);
-  };
-
-  function dragstart(d) {
-    d3_layout_forceDragOver(d3_layout_forceDragNode = d);
-    d3_layout_forceDragForce = force;
-  }
-
-  return d3.rebind(force, event, "on");
-};
-
-var d3_layout_forceDragForce,
-    d3_layout_forceDragNode;
-
-function d3_layout_forceDragOver(d) {
-  d.fixed |= 2;
-}
-
-function d3_layout_forceDragOut(d) {
-  if (d !== d3_layout_forceDragNode) d.fixed &= 1;
-}
-
-function d3_layout_forceDragEnd() {
-  d3_layout_forceDragNode.fixed &= 1;
-  d3_layout_forceDragForce = d3_layout_forceDragNode = null;
-}
-
-function d3_layout_forceDrag() {
-  d3_layout_forceDragNode.px = d3.event.x;
-  d3_layout_forceDragNode.py = d3.event.y;
-  d3_layout_forceDragForce.resume(); // restart annealing
-}
-
-function d3_layout_forceAccumulate(quad, alpha, charges) {
-  var cx = 0,
-      cy = 0;
-  quad.charge = 0;
-  if (!quad.leaf) {
-    var nodes = quad.nodes,
-        n = nodes.length,
-        i = -1,
-        c;
-    while (++i < n) {
-      c = nodes[i];
-      if (c == null) continue;
-      d3_layout_forceAccumulate(c, alpha, charges);
-      quad.charge += c.charge;
-      cx += c.charge * c.cx;
-      cy += c.charge * c.cy;
-    }
-  }
-  if (quad.point) {
-    // jitter internal nodes that are coincident
-    if (!quad.leaf) {
-      quad.point.x += Math.random() - .5;
-      quad.point.y += Math.random() - .5;
-    }
-    var k = alpha * charges[quad.point.index];
-    quad.charge += quad.pointCharge = k;
-    cx += k * quad.point.x;
-    cy += k * quad.point.y;
-  }
-  quad.cx = cx / quad.charge;
-  quad.cy = cy / quad.charge;
-}
-
-function d3_layout_forceLinkDistance(link) {
-  return 20;
-}
-
-function d3_layout_forceLinkStrength(link) {
-  return 1;
-}
-d3.layout.partition = function() {
-  var hierarchy = d3.layout.hierarchy(),
-      size = [1, 1]; // width, height
-
-  function position(node, x, dx, dy) {
-    var children = node.children;
-    node.x = x;
-    node.y = node.depth * dy;
-    node.dx = dx;
-    node.dy = dy;
-    if (children && (n = children.length)) {
-      var i = -1,
-          n,
-          c,
-          d;
-      dx = node.value ? dx / node.value : 0;
-      while (++i < n) {
-        position(c = children[i], x, d = c.value * dx, dy);
-        x += d;
-      }
-    }
-  }
-
-  function depth(node) {
-    var children = node.children,
-        d = 0;
-    if (children && (n = children.length)) {
-      var i = -1,
-          n;
-      while (++i < n) d = Math.max(d, depth(children[i]));
-    }
-    return 1 + d;
-  }
-
-  function partition(d, i) {
-    var nodes = hierarchy.call(this, d, i);
-    position(nodes[0], 0, size[0], size[1] / depth(nodes[0]));
-    return nodes;
-  }
-
-  partition.size = function(x) {
-    if (!arguments.length) return size;
-    size = x;
-    return partition;
-  };
-
-  return d3_layout_hierarchyRebind(partition, hierarchy);
-};
-d3.layout.pie = function() {
-  var value = Number,
-      sort = d3_layout_pieSortByValue,
-      startAngle = 0,
-      endAngle = 2 * Math.PI;
-
-  function pie(data, i) {
-
-    // Compute the numeric values for each data element.
-    var values = data.map(function(d, i) { return +value.call(pie, d, i); });
-
-    // Compute the start angle.
-    var a = +(typeof startAngle === "function"
-        ? startAngle.apply(this, arguments)
-        : startAngle);
-
-    // Compute the angular scale factor: from value to radians.
-    var k = ((typeof endAngle === "function"
-        ? endAngle.apply(this, arguments)
-        : endAngle) - startAngle)
-        / d3.sum(values);
-
-    // Optionally sort the data.
-    var index = d3.range(data.length);
-    if (sort != null) index.sort(sort === d3_layout_pieSortByValue
-        ? function(i, j) { return values[j] - values[i]; }
-        : function(i, j) { return sort(data[i], data[j]); });
-
-    // Compute the arcs!
-    // They are stored in the original data's order.
-    var arcs = [];
-    index.forEach(function(i) {
-      arcs[i] = {
-        data: data[i],
-        value: d = values[i],
-        startAngle: a,
-        endAngle: a += d * k
-      };
-    });
-    return arcs;
-  }
-
-  /**
-   * Specifies the value function *x*, which returns a nonnegative numeric value
-   * for each datum. The default value function is `Number`. The value function
-   * is passed two arguments: the current datum and the current index.
-   */
-  pie.value = function(x) {
-    if (!arguments.length) return value;
-    value = x;
-    return pie;
-  };
-
-  /**
-   * Specifies a sort comparison operator *x*. The comparator is passed two data
-   * elements from the data array, a and b; it returns a negative value if a is
-   * less than b, a positive value if a is greater than b, and zero if a equals
-   * b.
-   */
-  pie.sort = function(x) {
-    if (!arguments.length) return sort;
-    sort = x;
-    return pie;
-  };
-
-  /**
-   * Specifies the overall start angle of the pie chart. Defaults to 0. The
-   * start angle can be specified either as a constant or as a function; in the
-   * case of a function, it is evaluated once per array (as opposed to per
-   * element).
-   */
-  pie.startAngle = function(x) {
-    if (!arguments.length) return startAngle;
-    startAngle = x;
-    return pie;
-  };
-
-  /**
-   * Specifies the overall end angle of the pie chart. Defaults to 2π. The
-   * end angle can be specified either as a constant or as a function; in the
-   * case of a function, it is evaluated once per array (as opposed to per
-   * element).
-   */
-  pie.endAngle = function(x) {
-    if (!arguments.length) return endAngle;
-    endAngle = x;
-    return pie;
-  };
-
-  return pie;
-};
-
-var d3_layout_pieSortByValue = {};
-// data is two-dimensional array of x,y; we populate y0
-d3.layout.stack = function() {
-  var values = Object,
-      order = d3_layout_stackOrderDefault,
-      offset = d3_layout_stackOffsetZero,
-      out = d3_layout_stackOut,
-      x = d3_layout_stackX,
-      y = d3_layout_stackY;
-
-  function stack(data, index) {
-
-    // Convert series to canonical two-dimensional representation.
-    var series = data.map(function(d, i) {
-      return values.call(stack, d, i);
-    });
-
-    // Convert each series to canonical [[x,y]] representation.
-    var points = series.map(function(d, i) {
-      return d.map(function(v, i) {
-        return [x.call(stack, v, i), y.call(stack, v, i)];
-      });
-    });
-
-    // Compute the order of series, and permute them.
-    var orders = order.call(stack, points, index);
-    series = d3.permute(series, orders);
-    points = d3.permute(points, orders);
-
-    // Compute the baseline…
-    var offsets = offset.call(stack, points, index);
-
-    // And propagate it to other series.
-    var n = series.length,
-        m = series[0].length,
-        i,
-        j,
-        o;
-    for (j = 0; j < m; ++j) {
-      out.call(stack, series[0][j], o = offsets[j], points[0][j][1]);
-      for (i = 1; i < n; ++i) {
-        out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]);
-      }
-    }
-
-    return data;
-  }
-
-  stack.values = function(x) {
-    if (!arguments.length) return values;
-    values = x;
-    return stack;
-  };
-
-  stack.order = function(x) {
-    if (!arguments.length) return order;
-    order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault;
-    return stack;
-  };
-
-  stack.offset = function(x) {
-    if (!arguments.length) return offset;
-    offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero;
-    return stack;
-  };
-
-  stack.x = function(z) {
-    if (!arguments.length) return x;
-    x = z;
-    return stack;
-  };
-
-  stack.y = function(z) {
-    if (!arguments.length) return y;
-    y = z;
-    return stack;
-  };
-
-  stack.out = function(z) {
-    if (!arguments.length) return out;
-    out = z;
-    return stack;
-  };
-
-  return stack;
-}
-
-function d3_layout_stackX(d) {
-  return d.x;
-}
-
-function d3_layout_stackY(d) {
-  return d.y;
-}
-
-function d3_layout_stackOut(d, y0, y) {
-  d.y0 = y0;
-  d.y = y;
-}
-
-var d3_layout_stackOrders = d3.map({
-
-  "inside-out": function(data) {
-    var n = data.length,
-        i,
-        j,
-        max = data.map(d3_layout_stackMaxIndex),
-        sums = data.map(d3_layout_stackReduceSum),
-        index = d3.range(n).sort(function(a, b) { return max[a] - max[b]; }),
-        top = 0,
-        bottom = 0,
-        tops = [],
-        bottoms = [];
-    for (i = 0; i < n; ++i) {
-      j = index[i];
-      if (top < bottom) {
-        top += sums[j];
-        tops.push(j);
-      } else {
-        bottom += sums[j];
-        bottoms.push(j);
-      }
-    }
-    return bottoms.reverse().concat(tops);
-  },
-
-  "reverse": function(data) {
-    return d3.range(data.length).reverse();
-  },
-
-  "default": d3_layout_stackOrderDefault
-
-});
-
-var d3_layout_stackOffsets = d3.map({
-
-  "silhouette": function(data) {
-    var n = data.length,
-        m = data[0].length,
-        sums = [],
-        max = 0,
-        i,
-        j,
-        o,
-        y0 = [];
-    for (j = 0; j < m; ++j) {
-      for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
-      if (o > max) max = o;
-      sums.push(o);
-    }
-    for (j = 0; j < m; ++j) {
-      y0[j] = (max - sums[j]) / 2;
-    }
-    return y0;
-  },
-
-  "wiggle": function(data) {
-    var n = data.length,
-        x = data[0],
-        m = x.length,
-        max = 0,
-        i,
-        j,
-        k,
-        s1,
-        s2,
-        s3,
-        dx,
-        o,
-        o0,
-        y0 = [];
-    y0[0] = o = o0 = 0;
-    for (j = 1; j < m; ++j) {
-      for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1];
-      for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) {
-        for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) {
-          s3 += (data[k][j][1] - data[k][j - 1][1]) / dx;
-        }
-        s2 += s3 * data[i][j][1];
-      }
-      y0[j] = o -= s1 ? s2 / s1 * dx : 0;
-      if (o < o0) o0 = o;
-    }
-    for (j = 0; j < m; ++j) y0[j] -= o0;
-    return y0;
-  },
-
-  "expand": function(data) {
-    var n = data.length,
-        m = data[0].length,
-        k = 1 / n,
-        i,
-        j,
-        o,
-        y0 = [];
-    for (j = 0; j < m; ++j) {
-      for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
-      if (o) for (i = 0; i < n; i++) data[i][j][1] /= o;
-      else for (i = 0; i < n; i++) data[i][j][1] = k;
-    }
-    for (j = 0; j < m; ++j) y0[j] = 0;
-    return y0;
-  },
-
-  "zero": d3_layout_stackOffsetZero
-
-});
-
-function d3_layout_stackOrderDefault(data) {
-  return d3.range(data.length);
-}
-
-function d3_layout_stackOffsetZero(data) {
-  var j = -1,
-      m = data[0].length,
-      y0 = [];
-  while (++j < m) y0[j] = 0;
-  return y0;
-}
-
-function d3_layout_stackMaxIndex(array) {
-  var i = 1,
-      j = 0,
-      v = array[0][1],
-      k,
-      n = array.length;
-  for (; i < n; ++i) {
-    if ((k = array[i][1]) > v) {
-      j = i;
-      v = k;
-    }
-  }
-  return j;
-}
-
-function d3_layout_stackReduceSum(d) {
-  return d.reduce(d3_layout_stackSum, 0);
-}
-
-function d3_layout_stackSum(p, d) {
-  return p + d[1];
-}
-d3.layout.histogram = function() {
-  var frequency = true,
-      valuer = Number,
-      ranger = d3_layout_histogramRange,
-      binner = d3_layout_histogramBinSturges;
-
-  function histogram(data, i) {
-    var bins = [],
-        values = data.map(valuer, this),
-        range = ranger.call(this, values, i),
-        thresholds = binner.call(this, range, values, i),
-        bin,
-        i = -1,
-        n = values.length,
-        m = thresholds.length - 1,
-        k = frequency ? 1 : 1 / n,
-        x;
-
-    // Initialize the bins.
-    while (++i < m) {
-      bin = bins[i] = [];
-      bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]);
-      bin.y = 0;
-    }
-
-    // Fill the bins, ignoring values outside the range.
-    i = -1; while(++i < n) {
-      x = values[i];
-      if ((x >= range[0]) && (x <= range[1])) {
-        bin = bins[d3.bisect(thresholds, x, 1, m) - 1];
-        bin.y += k;
-        bin.push(data[i]);
-      }
-    }
-
-    return bins;
-  }
-
-  // Specifies how to extract a value from the associated data. The default
-  // value function is `Number`, which is equivalent to the identity function.
-  histogram.value = function(x) {
-    if (!arguments.length) return valuer;
-    valuer = x;
-    return histogram;
-  };
-
-  // Specifies the range of the histogram. Values outside the specified range
-  // will be ignored. The argument `x` may be specified either as a two-element
-  // array representing the minimum and maximum value of the range, or as a
-  // function that returns the range given the array of values and the current
-  // index `i`. The default range is the extent (minimum and maximum) of the
-  // values.
-  histogram.range = function(x) {
-    if (!arguments.length) return ranger;
-    ranger = d3.functor(x);
-    return histogram;
-  };
-
-  // Specifies how to bin values in the histogram. The argument `x` may be
-  // specified as a number, in which case the range of values will be split
-  // uniformly into the given number of bins. Or, `x` may be an array of
-  // threshold values, defining the bins; the specified array must contain the
-  // rightmost (upper) value, thus specifying n + 1 values for n bins. Or, `x`
-  // may be a function which is evaluated, being passed the range, the array of
-  // values, and the current index `i`, returning an array of thresholds. The
-  // default bin function will divide the values into uniform bins using
-  // Sturges' formula.
-  histogram.bins = function(x) {
-    if (!arguments.length) return binner;
-    binner = typeof x === "number"
-        ? function(range) { return d3_layout_histogramBinFixed(range, x); }
-        : d3.functor(x);
-    return histogram;
-  };
-
-  // Specifies whether the histogram's `y` value is a count (frequency) or a
-  // probability (density). The default value is true.
-  histogram.frequency = function(x) {
-    if (!arguments.length) return frequency;
-    frequency = !!x;
-    return histogram;
-  };
-
-  return histogram;
-};
-
-function d3_layout_histogramBinSturges(range, values) {
-  return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1));
-}
-
-function d3_layout_histogramBinFixed(range, n) {
-  var x = -1,
-      b = +range[0],
-      m = (range[1] - b) / n,
-      f = [];
-  while (++x <= n) f[x] = m * x + b;
-  return f;
-}
-
-function d3_layout_histogramRange(values) {
-  return [d3.min(values), d3.max(values)];
-}
-d3.layout.hierarchy = function() {
-  var sort = d3_layout_hierarchySort,
-      children = d3_layout_hierarchyChildren,
-      value = d3_layout_hierarchyValue;
-
-  // Recursively compute the node depth and value.
-  // Also converts the data representation into a standard hierarchy structure.
-  function recurse(data, depth, nodes) {
-    var childs = children.call(hierarchy, data, depth),
-        node = d3_layout_hierarchyInline ? data : {data: data};
-    node.depth = depth;
-    nodes.push(node);
-    if (childs && (n = childs.length)) {
-      var i = -1,
-          n,
-          c = node.children = [],
-          v = 0,
-          j = depth + 1;
-      while (++i < n) {
-        d = recurse(childs[i], j, nodes);
-        d.parent = node;
-        c.push(d);
-        v += d.value;
-      }
-      if (sort) c.sort(sort);
-      if (value) node.value = v;
-    } else if (value) {
-      node.value = +value.call(hierarchy, data, depth) || 0;
-    }
-    return node;
-  }
-
-  // Recursively re-evaluates the node value.
-  function revalue(node, depth) {
-    var children = node.children,
-        v = 0;
-    if (children && (n = children.length)) {
-      var i = -1,
-          n,
-          j = depth + 1;
-      while (++i < n) v += revalue(children[i], j);
-    } else if (value) {
-      v = +value.call(hierarchy, d3_layout_hierarchyInline ? node : node.data, depth) || 0;
-    }
-    if (value) node.value = v;
-    return v;
-  }
-
-  function hierarchy(d) {
-    var nodes = [];
-    recurse(d, 0, nodes);
-    return nodes;
-  }
-
-  hierarchy.sort = function(x) {
-    if (!arguments.length) return sort;
-    sort = x;
-    return hierarchy;
-  };
-
-  hierarchy.children = function(x) {
-    if (!arguments.length) return children;
-    children = x;
-    return hierarchy;
-  };
-
-  hierarchy.value = function(x) {
-    if (!arguments.length) return value;
-    value = x;
-    return hierarchy;
-  };
-
-  // Re-evaluates the `value` property for the specified hierarchy.
-  hierarchy.revalue = function(root) {
-    revalue(root, 0);
-    return root;
-  };
-
-  return hierarchy;
-};
-
-// A method assignment helper for hierarchy subclasses.
-function d3_layout_hierarchyRebind(object, hierarchy) {
-  d3.rebind(object, hierarchy, "sort", "children", "value");
-
-  // Add an alias for links, for convenience.
-  object.links = d3_layout_hierarchyLinks;
-
-  // If the new API is used, enabling inlining.
-  object.nodes = function(d) {
-    d3_layout_hierarchyInline = true;
-    return (object.nodes = object)(d);
-  };
-
-  return object;
-}
-
-function d3_layout_hierarchyChildren(d) {
-  return d.children;
-}
-
-function d3_layout_hierarchyValue(d) {
-  return d.value;
-}
-
-function d3_layout_hierarchySort(a, b) {
-  return b.value - a.value;
-}
-
-// Returns an array source+target objects for the specified nodes.
-function d3_layout_hierarchyLinks(nodes) {
-  return d3.merge(nodes.map(function(parent) {
-    return (parent.children || []).map(function(child) {
-      return {source: parent, target: child};
-    });
-  }));
-}
-
-// For backwards-compatibility, don't enable inlining by default.
-var d3_layout_hierarchyInline = false;
-d3.layout.pack = function() {
-  var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort),
-      size = [1, 1];
-
-  function pack(d, i) {
-    var nodes = hierarchy.call(this, d, i),
-        root = nodes[0];
-
-    // Recursively compute the layout.
-    root.x = 0;
-    root.y = 0;
-    d3_layout_packTree(root);
-
-    // Scale the layout to fit the requested size.
-    var w = size[0],
-        h = size[1],
-        k = 1 / Math.max(2 * root.r / w, 2 * root.r / h);
-    d3_layout_packTransform(root, w / 2, h / 2, k);
-
-    return nodes;
-  }
-
-  pack.size = function(x) {
-    if (!arguments.length) return size;
-    size = x;
-    return pack;
-  };
-
-  return d3_layout_hierarchyRebind(pack, hierarchy);
-};
-
-function d3_layout_packSort(a, b) {
-  return a.value - b.value;
-}
-
-function d3_layout_packInsert(a, b) {
-  var c = a._pack_next;
-  a._pack_next = b;
-  b._pack_prev = a;
-  b._pack_next = c;
-  c._pack_prev = b;
-}
-
-function d3_layout_packSplice(a, b) {
-  a._pack_next = b;
-  b._pack_prev = a;
-}
-
-function d3_layout_packIntersects(a, b) {
-  var dx = b.x - a.x,
-      dy = b.y - a.y,
-      dr = a.r + b.r;
-  return dr * dr - dx * dx - dy * dy > .001; // within epsilon
-}
-
-function d3_layout_packCircle(nodes) {
-  var xMin = Infinity,
-      xMax = -Infinity,
-      yMin = Infinity,
-      yMax = -Infinity,
-      n = nodes.length,
-      a, b, c, j, k;
-
-  function bound(node) {
-    xMin = Math.min(node.x - node.r, xMin);
-    xMax = Math.max(node.x + node.r, xMax);
-    yMin = Math.min(node.y - node.r, yMin);
-    yMax = Math.max(node.y + node.r, yMax);
-  }
-
-  // Create node links.
-  nodes.forEach(d3_layout_packLink);
-
-  // Create first node.
-  a = nodes[0];
-  a.x = -a.r;
-  a.y = 0;
-  bound(a);
-
-  // Create second node.
-  if (n > 1) {
-    b = nodes[1];
-    b.x = b.r;
-    b.y = 0;
-    bound(b);
-
-    // Create third node and build chain.
-    if (n > 2) {
-      c = nodes[2];
-      d3_layout_packPlace(a, b, c);
-      bound(c);
-      d3_layout_packInsert(a, c);
-      a._pack_prev = c;
-      d3_layout_packInsert(c, b);
-      b = a._pack_next;
-
-      // Now iterate through the rest.
-      for (var i = 3; i < n; i++) {
-        d3_layout_packPlace(a, b, c = nodes[i]);
-
-        // Search for the closest intersection.
-        var isect = 0, s1 = 1, s2 = 1;
-        for (j = b._pack_next; j !== b; j = j._pack_next, s1++) {
-          if (d3_layout_packIntersects(j, c)) {
-            isect = 1;
-            break;
-          }
-        }
-        if (isect == 1) {
-          for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) {
-            if (d3_layout_packIntersects(k, c)) {
-              break;
-            }
-          }
-        }
-
-        // Update node chain.
-        if (isect) {
-          if (s1 < s2 || (s1 == s2 && b.r < a.r)) d3_layout_packSplice(a, b = j);
-          else d3_layout_packSplice(a = k, b);
-          i--;
-        } else {
-          d3_layout_packInsert(a, c);
-          b = c;
-          bound(c);
-        }
-      }
-    }
-  }
-
-  // Re-center the circles and return the encompassing radius.
-  var cx = (xMin + xMax) / 2,
-      cy = (yMin + yMax) / 2,
-      cr = 0;
-  for (var i = 0; i < n; i++) {
-    var node = nodes[i];
-    node.x -= cx;
-    node.y -= cy;
-    cr = Math.max(cr, node.r + Math.sqrt(node.x * node.x + node.y * node.y));
-  }
-
-  // Remove node links.
-  nodes.forEach(d3_layout_packUnlink);
-
-  return cr;
-}
-
-function d3_layout_packLink(node) {
-  node._pack_next = node._pack_prev = node;
-}
-
-function d3_layout_packUnlink(node) {
-  delete node._pack_next;
-  delete node._pack_prev;
-}
-
-function d3_layout_packTree(node) {
-  var children = node.children;
-  if (children && children.length) {
-    children.forEach(d3_layout_packTree);
-    node.r = d3_layout_packCircle(children);
-  } else {
-    node.r = Math.sqrt(node.value);
-  }
-}
-
-function d3_layout_packTransform(node, x, y, k) {
-  var children = node.children;
-  node.x = (x += k * node.x);
-  node.y = (y += k * node.y);
-  node.r *= k;
-  if (children) {
-    var i = -1, n = children.length;
-    while (++i < n) d3_layout_packTransform(children[i], x, y, k);
-  }
-}
-
-function d3_layout_packPlace(a, b, c) {
-  var db = a.r + c.r,
-      dx = b.x - a.x,
-      dy = b.y - a.y;
-  if (db && (dx || dy)) {
-    var da = b.r + c.r,
-        dc = Math.sqrt(dx * dx + dy * dy),
-        cos = Math.max(-1, Math.min(1, (db * db + dc * dc - da * da) / (2 * db * dc))),
-        theta = Math.acos(cos),
-        x = cos * (db /= dc),
-        y = Math.sin(theta) * db;
-    c.x = a.x + x * dx + y * dy;
-    c.y = a.y + x * dy - y * dx;
-  } else {
-    c.x = a.x + db;
-    c.y = a.y;
-  }
-}
-// Implements a hierarchical layout using the cluster (or dendrogram)
-// algorithm.
-d3.layout.cluster = function() {
-  var hierarchy = d3.layout.hierarchy().sort(null).value(null),
-      separation = d3_layout_treeSeparation,
-      size = [1, 1]; // width, height
-
-  function cluster(d, i) {
-    var nodes = hierarchy.call(this, d, i),
-        root = nodes[0],
-        previousNode,
-        x = 0,
-        kx,
-        ky;
-
-    // First walk, computing the initial x & y values.
-    d3_layout_treeVisitAfter(root, function(node) {
-      var children = node.children;
-      if (children && children.length) {
-        node.x = d3_layout_clusterX(children);
-        node.y = d3_layout_clusterY(children);
-      } else {
-        node.x = previousNode ? x += separation(node, previousNode) : 0;
-        node.y = 0;
-        previousNode = node;
-      }
-    });
-
-    // Compute the left-most, right-most, and depth-most nodes for extents.
-    var left = d3_layout_clusterLeft(root),
-        right = d3_layout_clusterRight(root),
-        x0 = left.x - separation(left, right) / 2,
-        x1 = right.x + separation(right, left) / 2;
-
-    // Second walk, normalizing x & y to the desired size.
-    d3_layout_treeVisitAfter(root, function(node) {
-      node.x = (node.x - x0) / (x1 - x0) * size[0];
-      node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1];
-    });
-
-    return nodes;
-  }
-
-  cluster.separation = function(x) {
-    if (!arguments.length) return separation;
-    separation = x;
-    return cluster;
-  };
-
-  cluster.size = function(x) {
-    if (!arguments.length) return size;
-    size = x;
-    return cluster;
-  };
-
-  return d3_layout_hierarchyRebind(cluster, hierarchy);
-};
-
-function d3_layout_clusterY(children) {
-  return 1 + d3.max(children, function(child) {
-    return child.y;
-  });
-}
-
-function d3_layout_clusterX(children) {
-  return children.reduce(function(x, child) {
-    return x + child.x;
-  }, 0) / children.length;
-}
-
-function d3_layout_clusterLeft(node) {
-  var children = node.children;
-  return children && children.length ? d3_layout_clusterLeft(children[0]) : node;
-}
-
-function d3_layout_clusterRight(node) {
-  var children = node.children, n;
-  return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node;
-}
-// Node-link tree diagram using the Reingold-Tilford "tidy" algorithm
-d3.layout.tree = function() {
-  var hierarchy = d3.layout.hierarchy().sort(null).value(null),
-      separation = d3_layout_treeSeparation,
-      size = [1, 1]; // width, height
-
-  function tree(d, i) {
-    var nodes = hierarchy.call(this, d, i),
-        root = nodes[0];
-
-    function firstWalk(node, previousSibling) {
-      var children = node.children,
-          layout = node._tree;
-      if (children && (n = children.length)) {
-        var n,
-            firstChild = children[0],
-            previousChild,
-            ancestor = firstChild,
-            child,
-            i = -1;
-        while (++i < n) {
-          child = children[i];
-          firstWalk(child, previousChild);
-          ancestor = apportion(child, previousChild, ancestor);
-          previousChild = child;
-        }
-        d3_layout_treeShift(node);
-        var midpoint = .5 * (firstChild._tree.prelim + child._tree.prelim);
-        if (previousSibling) {
-          layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling);
-          layout.mod = layout.prelim - midpoint;
-        } else {
-          layout.prelim = midpoint;
-        }
-      } else {
-        if (previousSibling) {
-          layout.prelim = previousSibling._tree.prelim + separation(node, previousSibling);
-        }
-      }
-    }
-
-    function secondWalk(node, x) {
-      node.x = node._tree.prelim + x;
-      var children = node.children;
-      if (children && (n = children.length)) {
-        var i = -1,
-            n;
-        x += node._tree.mod;
-        while (++i < n) {
-          secondWalk(children[i], x);
-        }
-      }
-    }
-
-    function apportion(node, previousSibling, ancestor) {
-      if (previousSibling) {
-        var vip = node,
-            vop = node,
-            vim = previousSibling,
-            vom = node.parent.children[0],
-            sip = vip._tree.mod,
-            sop = vop._tree.mod,
-            sim = vim._tree.mod,
-            som = vom._tree.mod,
-            shift;
-        while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) {
-          vom = d3_layout_treeLeft(vom);
-          vop = d3_layout_treeRight(vop);
-          vop._tree.ancestor = node;
-          shift = vim._tree.prelim + sim - vip._tree.prelim - sip + separation(vim, vip);
-          if (shift > 0) {
-            d3_layout_treeMove(d3_layout_treeAncestor(vim, node, ancestor), node, shift);
-            sip += shift;
-            sop += shift;
-          }
-          sim += vim._tree.mod;
-          sip += vip._tree.mod;
-          som += vom._tree.mod;
-          sop += vop._tree.mod;
-        }
-        if (vim && !d3_layout_treeRight(vop)) {
-          vop._tree.thread = vim;
-          vop._tree.mod += sim - sop;
-        }
-        if (vip && !d3_layout_treeLeft(vom)) {
-          vom._tree.thread = vip;
-          vom._tree.mod += sip - som;
-          ancestor = node;
-        }
-      }
-      return ancestor;
-    }
-
-    // Initialize temporary layout variables.
-    d3_layout_treeVisitAfter(root, function(node, previousSibling) {
-      node._tree = {
-        ancestor: node,
-        prelim: 0,
-        mod: 0,
-        change: 0,
-        shift: 0,
-        number: previousSibling ? previousSibling._tree.number + 1 : 0
-      };
-    });
-
-    // Compute the layout using Buchheim et al.'s algorithm.
-    firstWalk(root);
-    secondWalk(root, -root._tree.prelim);
-
-    // Compute the left-most, right-most, and depth-most nodes for extents.
-    var left = d3_layout_treeSearch(root, d3_layout_treeLeftmost),
-        right = d3_layout_treeSearch(root, d3_layout_treeRightmost),
-        deep = d3_layout_treeSearch(root, d3_layout_treeDeepest),
-        x0 = left.x - separation(left, right) / 2,
-        x1 = right.x + separation(right, left) / 2,
-        y1 = deep.depth || 1;
-
-    // Clear temporary layout variables; transform x and y.
-    d3_layout_treeVisitAfter(root, function(node) {
-      node.x = (node.x - x0) / (x1 - x0) * size[0];
-      node.y = node.depth / y1 * size[1];
-      delete node._tree;
-    });
-
-    return nodes;
-  }
-
-  tree.separation = function(x) {
-    if (!arguments.length) return separation;
-    separation = x;
-    return tree;
-  };
-
-  tree.size = function(x) {
-    if (!arguments.length) return size;
-    size = x;
-    return tree;
-  };
-
-  return d3_layout_hierarchyRebind(tree, hierarchy);
-};
-
-function d3_layout_treeSeparation(a, b) {
-  return a.parent == b.parent ? 1 : 2;
-}
-
-// function d3_layout_treeSeparationRadial(a, b) {
-//   return (a.parent == b.parent ? 1 : 2) / a.depth;
-// }
-
-function d3_layout_treeLeft(node) {
-  var children = node.children;
-  return children && children.length ? children[0] : node._tree.thread;
-}
-
-function d3_layout_treeRight(node) {
-  var children = node.children,
-      n;
-  return children && (n = children.length) ? children[n - 1] : node._tree.thread;
-}
-
-function d3_layout_treeSearch(node, compare) {
-  var children = node.children;
-  if (children && (n = children.length)) {
-    var child,
-        n,
-        i = -1;
-    while (++i < n) {
-      if (compare(child = d3_layout_treeSearch(children[i], compare), node) > 0) {
-        node = child;
-      }
-    }
-  }
-  return node;
-}
-
-function d3_layout_treeRightmost(a, b) {
-  return a.x - b.x;
-}
-
-function d3_layout_treeLeftmost(a, b) {
-  return b.x - a.x;
-}
-
-function d3_layout_treeDeepest(a, b) {
-  return a.depth - b.depth;
-}
-
-function d3_layout_treeVisitAfter(node, callback) {
-  function visit(node, previousSibling) {
-    var children = node.children;
-    if (children && (n = children.length)) {
-      var child,
-          previousChild = null,
-          i = -1,
-          n;
-      while (++i < n) {
-        child = children[i];
-        visit(child, previousChild);
-        previousChild = child;
-      }
-    }
-    callback(node, previousSibling);
-  }
-  visit(node, null);
-}
-
-function d3_layout_treeShift(node) {
-  var shift = 0,
-      change = 0,
-      children = node.children,
-      i = children.length,
-      child;
-  while (--i >= 0) {
-    child = children[i]._tree;
-    child.prelim += shift;
-    child.mod += shift;
-    shift += child.shift + (change += child.change);
-  }
-}
-
-function d3_layout_treeMove(ancestor, node, shift) {
-  ancestor = ancestor._tree;
-  node = node._tree;
-  var change = shift / (node.number - ancestor.number);
-  ancestor.change += change;
-  node.change -= change;
-  node.shift += shift;
-  node.prelim += shift;
-  node.mod += shift;
-}
-
-function d3_layout_treeAncestor(vim, node, ancestor) {
-  return vim._tree.ancestor.parent == node.parent
-      ? vim._tree.ancestor
-      : ancestor;
-}
-// Squarified Treemaps by Mark Bruls, Kees Huizing, and Jarke J. van Wijk
-// Modified to support a target aspect ratio by Jeff Heer
-d3.layout.treemap = function() {
-  var hierarchy = d3.layout.hierarchy(),
-      round = Math.round,
-      size = [1, 1], // width, height
-      padding = null,
-      pad = d3_layout_treemapPadNull,
-      sticky = false,
-      stickies,
-      ratio = 0.5 * (1 + Math.sqrt(5)); // golden ratio
-
-  // Compute the area for each child based on value & scale.
-  function scale(children, k) {
-    var i = -1,
-        n = children.length,
-        child,
-        area;
-    while (++i < n) {
-      area = (child = children[i]).value * (k < 0 ? 0 : k);
-      child.area = isNaN(area) || area <= 0 ? 0 : area;
-    }
-  }
-
-  // Recursively arranges the specified node's children into squarified rows.
-  function squarify(node) {
-    var children = node.children;
-    if (children && children.length) {
-      var rect = pad(node),
-          row = [],
-          remaining = children.slice(), // copy-on-write
-          child,
-          best = Infinity, // the best row score so far
-          score, // the current row score
-          u = Math.min(rect.dx, rect.dy), // initial orientation
-          n;
-      scale(remaining, rect.dx * rect.dy / node.value);
-      row.area = 0;
-      while ((n = remaining.length) > 0) {
-        row.push(child = remaining[n - 1]);
-        row.area += child.area;
-        if ((score = worst(row, u)) <= best) { // continue with this orientation
-          remaining.pop();
-          best = score;
-        } else { // abort, and try a different orientation
-          row.area -= row.pop().area;
-          position(row, u, rect, false);
-          u = Math.min(rect.dx, rect.dy);
-          row.length = row.area = 0;
-          best = Infinity;
-        }
-      }
-      if (row.length) {
-        position(row, u, rect, true);
-        row.length = row.area = 0;
-      }
-      children.forEach(squarify);
-    }
-  }
-
-  // Recursively resizes the specified node's children into existing rows.
-  // Preserves the existing layout!
-  function stickify(node) {
-    var children = node.children;
-    if (children && children.length) {
-      var rect = pad(node),
-          remaining = children.slice(), // copy-on-write
-          child,
-          row = [];
-      scale(remaining, rect.dx * rect.dy / node.value);
-      row.area = 0;
-      while (child = remaining.pop()) {
-        row.push(child);
-        row.area += child.area;
-        if (child.z != null) {
-          position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length);
-          row.length = row.area = 0;
-        }
-      }
-      children.forEach(stickify);
-    }
-  }
-
-  // Computes the score for the specified row, as the worst aspect ratio.
-  function worst(row, u) {
-    var s = row.area,
-        r,
-        rmax = 0,
-        rmin = Infinity,
-        i = -1,
-        n = row.length;
-    while (++i < n) {
-      if (!(r = row[i].area)) continue;
-      if (r < rmin) rmin = r;
-      if (r > rmax) rmax = r;
-    }
-    s *= s;
-    u *= u;
-    return s
-        ? Math.max((u * rmax * ratio) / s, s / (u * rmin * ratio))
-        : Infinity;
-  }
-
-  // Positions the specified row of nodes. Modifies `rect`.
-  function position(row, u, rect, flush) {
-    var i = -1,
-        n = row.length,
-        x = rect.x,
-        y = rect.y,
-        v = u ? round(row.area / u) : 0,
-        o;
-    if (u == rect.dx) { // horizontal subdivision
-      if (flush || v > rect.dy) v = rect.dy; // over+underflow
-      while (++i < n) {
-        o = row[i];
-        o.x = x;
-        o.y = y;
-        o.dy = v;
-        x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0);
-      }
-      o.z = true;
-      o.dx += rect.x + rect.dx - x; // rounding error
-      rect.y += v;
-      rect.dy -= v;
-    } else { // vertical subdivision
-      if (flush || v > rect.dx) v = rect.dx; // over+underflow
-      while (++i < n) {
-        o = row[i];
-        o.x = x;
-        o.y = y;
-        o.dx = v;
-        y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0);
-      }
-      o.z = false;
-      o.dy += rect.y + rect.dy - y; // rounding error
-      rect.x += v;
-      rect.dx -= v;
-    }
-  }
-
-  function treemap(d) {
-    var nodes = stickies || hierarchy(d),
-        root = nodes[0];
-    root.x = 0;
-    root.y = 0;
-    root.dx = size[0];
-    root.dy = size[1];
-    if (stickies) hierarchy.revalue(root);
-    scale([root], root.dx * root.dy / root.value);
-    (stickies ? stickify : squarify)(root);
-    if (sticky) stickies = nodes;
-    return nodes;
-  }
-
-  treemap.size = function(x) {
-    if (!arguments.length) return size;
-    size = x;
-    return treemap;
-  };
-
-  treemap.padding = function(x) {
-    if (!arguments.length) return padding;
-
-    function padFunction(node) {
-      var p = x.call(treemap, node, node.depth);
-      return p == null
-          ? d3_layout_treemapPadNull(node)
-          : d3_layout_treemapPad(node, typeof p === "number" ? [p, p, p, p] : p);
-    }
-
-    function padConstant(node) {
-      return d3_layout_treemapPad(node, x);
-    }
-
-    var type;
-    pad = (padding = x) == null ? d3_layout_treemapPadNull
-        : (type = typeof x) === "function" ? padFunction
-        : type === "number" ? (x = [x, x, x, x], padConstant)
-        : padConstant;
-    return treemap;
-  };
-
-  treemap.round = function(x) {
-    if (!arguments.length) return round != Number;
-    round = x ? Math.round : Number;
-    return treemap;
-  };
-
-  treemap.sticky = function(x) {
-    if (!arguments.length) return sticky;
-    sticky = x;
-    stickies = null;
-    return treemap;
-  };
-
-  treemap.ratio = function(x) {
-    if (!arguments.length) return ratio;
-    ratio = x;
-    return treemap;
-  };
-
-  return d3_layout_hierarchyRebind(treemap, hierarchy);
-};
-
-function d3_layout_treemapPadNull(node) {
-  return {x: node.x, y: node.y, dx: node.dx, dy: node.dy};
-}
-
-function d3_layout_treemapPad(node, padding) {
-  var x = node.x + padding[3],
-      y = node.y + padding[0],
-      dx = node.dx - padding[1] - padding[3],
-      dy = node.dy - padding[0] - padding[2];
-  if (dx < 0) { x += dx / 2; dx = 0; }
-  if (dy < 0) { y += dy / 2; dy = 0; }
-  return {x: x, y: y, dx: dx, dy: dy};
-}
-d3.csv = function(url, callback) {
-  d3.text(url, "text/csv", function(text) {
-    callback(text && d3.csv.parse(text));
-  });
-};
-d3.csv.parse = function(text) {
-  var header;
-  return d3.csv.parseRows(text, function(row, i) {
-    if (i) {
-      var o = {}, j = -1, m = header.length;
-      while (++j < m) o[header[j]] = row[j];
-      return o;
-    } else {
-      header = row;
-      return null;
-    }
-  });
-};
-
-d3.csv.parseRows = function(text, f) {
-  var EOL = {}, // sentinel value for end-of-line
-      EOF = {}, // sentinel value for end-of-file
-      rows = [], // output rows
-      re = /\r\n|[,\r\n]/g, // field separator regex
-      n = 0, // the current line number
-      t, // the current token
-      eol; // is the current token followed by EOL?
-
-  re.lastIndex = 0; // work-around bug in FF 3.6
-
-  /** @private Returns the next token. */
-  function token() {
-    if (re.lastIndex >= text.length) return EOF; // special case: end of file
-    if (eol) { eol = false; return EOL; } // special case: end of line
-
-    // special case: quotes
-    var j = re.lastIndex;
-    if (text.charCodeAt(j) === 34) {
-      var i = j;
-      while (i++ < text.length) {
-        if (text.charCodeAt(i) === 34) {
-          if (text.charCodeAt(i + 1) !== 34) break;
-          i++;
-        }
-      }
-      re.lastIndex = i + 2;
-      var c = text.charCodeAt(i + 1);
-      if (c === 13) {
-        eol = true;
-        if (text.charCodeAt(i + 2) === 10) re.lastIndex++;
-      } else if (c === 10) {
-        eol = true;
-      }
-      return text.substring(j + 1, i).replace(/""/g, "\"");
-    }
-
-    // common case
-    var m = re.exec(text);
-    if (m) {
-      eol = m[0].charCodeAt(0) !== 44;
-      return text.substring(j, m.index);
-    }
-    re.lastIndex = text.length;
-    return text.substring(j);
-  }
-
-  while ((t = token()) !== EOF) {
-    var a = [];
-    while ((t !== EOL) && (t !== EOF)) {
-      a.push(t);
-      t = token();
-    }
-    if (f && !(a = f(a, n++))) continue;
-    rows.push(a);
-  }
-
-  return rows;
-};
-d3.csv.format = function(rows) {
-  return rows.map(d3_csv_formatRow).join("\n");
-};
-
-function d3_csv_formatRow(row) {
-  return row.map(d3_csv_formatValue).join(",");
-}
-
-function d3_csv_formatValue(text) {
-  return /[",\n]/.test(text)
-      ? "\"" + text.replace(/\"/g, "\"\"") + "\""
-      : text;
-}
-d3.geo = {};
-
-var d3_geo_radians = Math.PI / 180;
-// TODO clip input coordinates on opposite hemisphere
-d3.geo.azimuthal = function() {
-  var mode = "orthographic", // or stereographic, gnomonic, equidistant or equalarea
-      origin,
-      scale = 200,
-      translate = [480, 250],
-      x0,
-      y0,
-      cy0,
-      sy0;
-
-  function azimuthal(coordinates) {
-    var x1 = coordinates[0] * d3_geo_radians - x0,
-        y1 = coordinates[1] * d3_geo_radians,
-        cx1 = Math.cos(x1),
-        sx1 = Math.sin(x1),
-        cy1 = Math.cos(y1),
-        sy1 = Math.sin(y1),
-        cc = mode !== "orthographic" ? sy0 * sy1 + cy0 * cy1 * cx1 : null,
-        c,
-        k = mode === "stereographic" ? 1 / (1 + cc)
-          : mode === "gnomonic" ? 1 / cc
-          : mode === "equidistant" ? (c = Math.acos(cc), c ? c / Math.sin(c) : 0)
-          : mode === "equalarea" ? Math.sqrt(2 / (1 + cc))
-          : 1,
-        x = k * cy1 * sx1,
-        y = k * (sy0 * cy1 * cx1 - cy0 * sy1);
-    return [
-      scale * x + translate[0],
-      scale * y + translate[1]
-    ];
-  }
-
-  azimuthal.invert = function(coordinates) {
-    var x = (coordinates[0] - translate[0]) / scale,
-        y = (coordinates[1] - translate[1]) / scale,
-        p = Math.sqrt(x * x + y * y),
-        c = mode === "stereographic" ? 2 * Math.atan(p)
-          : mode === "gnomonic" ? Math.atan(p)
-          : mode === "equidistant" ? p
-          : mode === "equalarea" ? 2 * Math.asin(.5 * p)
-          : Math.asin(p),
-        sc = Math.sin(c),
-        cc = Math.cos(c);
-    return [
-      (x0 + Math.atan2(x * sc, p * cy0 * cc + y * sy0 * sc)) / d3_geo_radians,
-      Math.asin(cc * sy0 - (p ? (y * sc * cy0) / p : 0)) / d3_geo_radians
-    ];
-  };
-
-  azimuthal.mode = function(x) {
-    if (!arguments.length) return mode;
-    mode = x + "";
-    return azimuthal;
-  };
-
-  azimuthal.origin = function(x) {
-    if (!arguments.length) return origin;
-    origin = x;
-    x0 = origin[0] * d3_geo_radians;
-    y0 = origin[1] * d3_geo_radians;
-    cy0 = Math.cos(y0);
-    sy0 = Math.sin(y0);
-    return azimuthal;
-  };
-
-  azimuthal.scale = function(x) {
-    if (!arguments.length) return scale;
-    scale = +x;
-    return azimuthal;
-  };
-
-  azimuthal.translate = function(x) {
-    if (!arguments.length) return translate;
-    translate = [+x[0], +x[1]];
-    return azimuthal;
-  };
-
-  return azimuthal.origin([0, 0]);
-};
-// Derived from Tom Carden's Albers implementation for Protovis.
-// http://gist.github.com/476238
-// http://mathworld.wolfram.com/AlbersEqual-AreaConicProjection.html
-
-d3.geo.albers = function() {
-  var origin = [-98, 38],
-      parallels = [29.5, 45.5],
-      scale = 1000,
-      translate = [480, 250],
-      lng0, // d3_geo_radians * origin[0]
-      n,
-      C,
-      p0;
-
-  function albers(coordinates) {
-    var t = n * (d3_geo_radians * coordinates[0] - lng0),
-        p = Math.sqrt(C - 2 * n * Math.sin(d3_geo_radians * coordinates[1])) / n;
-    return [
-      scale * p * Math.sin(t) + translate[0],
-      scale * (p * Math.cos(t) - p0) + translate[1]
-    ];
-  }
-
-  albers.invert = function(coordinates) {
-    var x = (coordinates[0] - translate[0]) / scale,
-        y = (coordinates[1] - translate[1]) / scale,
-        p0y = p0 + y,
-        t = Math.atan2(x, p0y),
-        p = Math.sqrt(x * x + p0y * p0y);
-    return [
-      (lng0 + t / n) / d3_geo_radians,
-      Math.asin((C - p * p * n * n) / (2 * n)) / d3_geo_radians
-    ];
-  };
-
-  function reload() {
-    var phi1 = d3_geo_radians * parallels[0],
-        phi2 = d3_geo_radians * parallels[1],
-        lat0 = d3_geo_radians * origin[1],
-        s = Math.sin(phi1),
-        c = Math.cos(phi1);
-    lng0 = d3_geo_radians * origin[0];
-    n = .5 * (s + Math.sin(phi2));
-    C = c * c + 2 * n * s;
-    p0 = Math.sqrt(C - 2 * n * Math.sin(lat0)) / n;
-    return albers;
-  }
-
-  albers.origin = function(x) {
-    if (!arguments.length) return origin;
-    origin = [+x[0], +x[1]];
-    return reload();
-  };
-
-  albers.parallels = function(x) {
-    if (!arguments.length) return parallels;
-    parallels = [+x[0], +x[1]];
-    return reload();
-  };
-
-  albers.scale = function(x) {
-    if (!arguments.length) return scale;
-    scale = +x;
-    return albers;
-  };
-
-  albers.translate = function(x) {
-    if (!arguments.length) return translate;
-    translate = [+x[0], +x[1]];
-    return albers;
-  };
-
-  return reload();
-};
-
-// A composite projection for the United States, 960x500. The set of standard
-// parallels for each region comes from USGS, which is published here:
-// http://egsc.usgs.gov/isb/pubs/MapProjections/projections.html#albers
-// TODO allow the composite projection to be rescaled?
-d3.geo.albersUsa = function() {
-  var lower48 = d3.geo.albers();
-
-  var alaska = d3.geo.albers()
-      .origin([-160, 60])
-      .parallels([55, 65]);
-
-  var hawaii = d3.geo.albers()
-      .origin([-160, 20])
-      .parallels([8, 18]);
-
-  var puertoRico = d3.geo.albers()
-      .origin([-60, 10])
-      .parallels([8, 18]);
-
-  function albersUsa(coordinates) {
-    var lon = coordinates[0],
-        lat = coordinates[1];
-    return (lat > 50 ? alaska
-        : lon < -140 ? hawaii
-        : lat < 21 ? puertoRico
-        : lower48)(coordinates);
-  }
-
-  albersUsa.scale = function(x) {
-    if (!arguments.length) return lower48.scale();
-    lower48.scale(x);
-    alaska.scale(x * .6);
-    hawaii.scale(x);
-    puertoRico.scale(x * 1.5);
-    return albersUsa.translate(lower48.translate());
-  };
-
-  albersUsa.translate = function(x) {
-    if (!arguments.length) return lower48.translate();
-    var dz = lower48.scale() / 1000,
-        dx = x[0],
-        dy = x[1];
-    lower48.translate(x);
-    alaska.translate([dx - 400 * dz, dy + 170 * dz]);
-    hawaii.translate([dx - 190 * dz, dy + 200 * dz]);
-    puertoRico.translate([dx + 580 * dz, dy + 430 * dz]);
-    return albersUsa;
-  };
-
-  return albersUsa.scale(lower48.scale());
-};
-d3.geo.bonne = function() {
-  var scale = 200,
-      translate = [480, 250],
-      x0, // origin longitude in radians
-      y0, // origin latitude in radians
-      y1, // parallel latitude in radians
-      c1; // cot(y1)
-
-  function bonne(coordinates) {
-    var x = coordinates[0] * d3_geo_radians - x0,
-        y = coordinates[1] * d3_geo_radians - y0;
-    if (y1) {
-      var p = c1 + y1 - y, E = x * Math.cos(y) / p;
-      x = p * Math.sin(E);
-      y = p * Math.cos(E) - c1;
-    } else {
-      x *= Math.cos(y);
-      y *= -1;
-    }
-    return [
-      scale * x + translate[0],
-      scale * y + translate[1]
-    ];
-  }
-
-  bonne.invert = function(coordinates) {
-    var x = (coordinates[0] - translate[0]) / scale,
-        y = (coordinates[1] - translate[1]) / scale;
-    if (y1) {
-      var c = c1 + y, p = Math.sqrt(x * x + c * c);
-      y = c1 + y1 - p;
-      x = x0 + p * Math.atan2(x, c) / Math.cos(y);
-    } else {
-      y *= -1;
-      x /= Math.cos(y);
-    }
-    return [
-      x / d3_geo_radians,
-      y / d3_geo_radians
-    ];
-  };
-
-  // 90° for Werner, 0° for Sinusoidal
-  bonne.parallel = function(x) {
-    if (!arguments.length) return y1 / d3_geo_radians;
-    c1 = 1 / Math.tan(y1 = x * d3_geo_radians);
-    return bonne;
-  };
-
-  bonne.origin = function(x) {
-    if (!arguments.length) return [x0 / d3_geo_radians, y0 / d3_geo_radians];
-    x0 = x[0] * d3_geo_radians;
-    y0 = x[1] * d3_geo_radians;
-    return bonne;
-  };
-
-  bonne.scale = function(x) {
-    if (!arguments.length) return scale;
-    scale = +x;
-    return bonne;
-  };
-
-  bonne.translate = function(x) {
-    if (!arguments.length) return translate;
-    translate = [+x[0], +x[1]];
-    return bonne;
-  };
-
-  return bonne.origin([0, 0]).parallel(45);
-};
-d3.geo.equirectangular = function() {
-  var scale = 500,
-      translate = [480, 250];
-
-  function equirectangular(coordinates) {
-    var x = coordinates[0] / 360,
-        y = -coordinates[1] / 360;
-    return [
-      scale * x + translate[0],
-      scale * y + translate[1]
-    ];
-  }
-
-  equirectangular.invert = function(coordinates) {
-    var x = (coordinates[0] - translate[0]) / scale,
-        y = (coordinates[1] - translate[1]) / scale;
-    return [
-      360 * x,
-      -360 * y
-    ];
-  };
-
-  equirectangular.scale = function(x) {
-    if (!arguments.length) return scale;
-    scale = +x;
-    return equirectangular;
-  };
-
-  equirectangular.translate = function(x) {
-    if (!arguments.length) return translate;
-    translate = [+x[0], +x[1]];
-    return equirectangular;
-  };
-
-  return equirectangular;
-};
-d3.geo.mercator = function() {
-  var scale = 500,
-      translate = [480, 250];
-
-  function mercator(coordinates) {
-    var x = coordinates[0] / 360,
-        y = -(Math.log(Math.tan(Math.PI / 4 + coordinates[1] * d3_geo_radians / 2)) / d3_geo_radians) / 360;
-    return [
-      scale * x + translate[0],
-      scale * Math.max(-.5, Math.min(.5, y)) + translate[1]
-    ];
-  }
-
-  mercator.invert = function(coordinates) {
-    var x = (coordinates[0] - translate[0]) / scale,
-        y = (coordinates[1] - translate[1]) / scale;
-    return [
-      360 * x,
-      2 * Math.atan(Math.exp(-360 * y * d3_geo_radians)) / d3_geo_radians - 90
-    ];
-  };
-
-  mercator.scale = function(x) {
-    if (!arguments.length) return scale;
-    scale = +x;
-    return mercator;
-  };
-
-  mercator.translate = function(x) {
-    if (!arguments.length) return translate;
-    translate = [+x[0], +x[1]];
-    return mercator;
-  };
-
-  return mercator;
-};
-function d3_geo_type(types, defaultValue) {
-  return function(object) {
-    return object && types.hasOwnProperty(object.type) ? types[object.type](object) : defaultValue;
-  };
-}
-/**
- * Returns a function that, given a GeoJSON object (e.g., a feature), returns
- * the corresponding SVG path. The function can be customized by overriding the
- * projection. Point features are mapped to circles with a default radius of
- * 4.5px; the radius can be specified either as a constant or a function that
- * is evaluated per object.
- */
-d3.geo.path = function() {
-  var pointRadius = 4.5,
-      pointCircle = d3_path_circle(pointRadius),
-      projection = d3.geo.albersUsa();
-
-  function path(d, i) {
-    if (typeof pointRadius === "function") {
-      pointCircle = d3_path_circle(pointRadius.apply(this, arguments));
-    }
-    return pathType(d) || null;
-  }
-
-  function project(coordinates) {
-    return projection(coordinates).join(",");
-  }
-
-  var pathType = d3_geo_type({
-
-    FeatureCollection: function(o) {
-      var path = [],
-          features = o.features,
-          i = -1, // features.index
-          n = features.length;
-      while (++i < n) path.push(pathType(features[i].geometry));
-      return path.join("");
-    },
-
-    Feature: function(o) {
-      return pathType(o.geometry);
-    },
-
-    Point: function(o) {
-      return "M" + project(o.coordinates) + pointCircle;
-    },
-
-    MultiPoint: function(o) {
-      var path = [],
-          coordinates = o.coordinates,
-          i = -1, // coordinates.index
-          n = coordinates.length;
-      while (++i < n) path.push("M", project(coordinates[i]), pointCircle);
-      return path.join("");
-    },
-
-    LineString: function(o) {
-      var path = ["M"],
-          coordinates = o.coordinates,
-          i = -1, // coordinates.index
-          n = coordinates.length;
-      while (++i < n) path.push(project(coordinates[i]), "L");
-      path.pop();
-      return path.join("");
-    },
-
-    MultiLineString: function(o) {
-      var path = [],
-          coordinates = o.coordinates,
-          i = -1, // coordinates.index
-          n = coordinates.length,
-          subcoordinates, // coordinates[i]
-          j, // subcoordinates.index
-          m; // subcoordinates.length
-      while (++i < n) {
-        subcoordinates = coordinates[i];
-        j = -1;
-        m = subcoordinates.length;
-        path.push("M");
-        while (++j < m) path.push(project(subcoordinates[j]), "L");
-        path.pop();
-      }
-      return path.join("");
-    },
-
-    Polygon: function(o) {
-      var path = [],
-          coordinates = o.coordinates,
-          i = -1, // coordinates.index
-          n = coordinates.length,
-          subcoordinates, // coordinates[i]
-          j, // subcoordinates.index
-          m; // subcoordinates.length
-      while (++i < n) {
-        subcoordinates = coordinates[i];
-        j = -1;
-        if ((m = subcoordinates.length - 1) > 0) {
-          path.push("M");
-          while (++j < m) path.push(project(subcoordinates[j]), "L");
-          path[path.length - 1] = "Z";
-        }
-      }
-      return path.join("");
-    },
-
-    MultiPolygon: function(o) {
-      var path = [],
-          coordinates = o.coordinates,
-          i = -1, // coordinates index
-          n = coordinates.length,
-          subcoordinates, // coordinates[i]
-          j, // subcoordinates index
-          m, // subcoordinates.length
-          subsubcoordinates, // subcoordinates[j]
-          k, // subsubcoordinates index
-          p; // subsubcoordinates.length
-      while (++i < n) {
-        subcoordinates = coordinates[i];
-        j = -1;
-        m = subcoordinates.length;
-        while (++j < m) {
-          subsubcoordinates = subcoordinates[j];
-          k = -1;
-          if ((p = subsubcoordinates.length - 1) > 0) {
-            path.push("M");
-            while (++k < p) path.push(project(subsubcoordinates[k]), "L");
-            path[path.length - 1] = "Z";
-          }
-        }
-      }
-      return path.join("");
-    },
-
-    GeometryCollection: function(o) {
-      var path = [],
-          geometries = o.geometries,
-          i = -1, // geometries index
-          n = geometries.length;
-      while (++i < n) path.push(pathType(geometries[i]));
-      return path.join("");
-    }
-
-  });
-
-  var areaType = path.area = d3_geo_type({
-
-    FeatureCollection: function(o) {
-      var area = 0,
-          features = o.features,
-          i = -1, // features.index
-          n = features.length;
-      while (++i < n) area += areaType(features[i]);
-      return area;
-    },
-
-    Feature: function(o) {
-      return areaType(o.geometry);
-    },
-
-    Polygon: function(o) {
-      return polygonArea(o.coordinates);
-    },
-
-    MultiPolygon: function(o) {
-      var sum = 0,
-          coordinates = o.coordinates,
-          i = -1, // coordinates index
-          n = coordinates.length;
-      while (++i < n) sum += polygonArea(coordinates[i]);
-      return sum;
-    },
-
-    GeometryCollection: function(o) {
-      var sum = 0,
-          geometries = o.geometries,
-          i = -1, // geometries index
-          n = geometries.length;
-      while (++i < n) sum += areaType(geometries[i]);
-      return sum;
-    }
-
-  }, 0);
-
-  function polygonArea(coordinates) {
-    var sum = area(coordinates[0]), // exterior ring
-        i = 0, // coordinates.index
-        n = coordinates.length;
-    while (++i < n) sum -= area(coordinates[i]); // holes
-    return sum;
-  }
-
-  function polygonCentroid(coordinates) {
-    var polygon = d3.geom.polygon(coordinates[0].map(projection)), // exterior ring
-        area = polygon.area(),
-        centroid = polygon.centroid(area < 0 ? (area *= -1, 1) : -1),
-        x = centroid[0],
-        y = centroid[1],
-        z = area,
-        i = 0, // coordinates index
-        n = coordinates.length;
-    while (++i < n) {
-      polygon = d3.geom.polygon(coordinates[i].map(projection)); // holes
-      area = polygon.area();
-      centroid = polygon.centroid(area < 0 ? (area *= -1, 1) : -1);
-      x -= centroid[0];
-      y -= centroid[1];
-      z -= area;
-    }
-    return [x, y, 6 * z]; // weighted centroid
-  }
-
-  var centroidType = path.centroid = d3_geo_type({
-
-    // TODO FeatureCollection
-    // TODO Point
-    // TODO MultiPoint
-    // TODO LineString
-    // TODO MultiLineString
-    // TODO GeometryCollection
-
-    Feature: function(o) {
-      return centroidType(o.geometry);
-    },
-
-    Polygon: function(o) {
-      var centroid = polygonCentroid(o.coordinates);
-      return [centroid[0] / centroid[2], centroid[1] / centroid[2]];
-    },
-
-    MultiPolygon: function(o) {
-      var area = 0,
-          coordinates = o.coordinates,
-          centroid,
-          x = 0,
-          y = 0,
-          z = 0,
-          i = -1, // coordinates index
-          n = coordinates.length;
-      while (++i < n) {
-        centroid = polygonCentroid(coordinates[i]);
-        x += centroid[0];
-        y += centroid[1];
-        z += centroid[2];
-      }
-      return [x / z, y / z];
-    }
-
-  });
-
-  function area(coordinates) {
-    return Math.abs(d3.geom.polygon(coordinates.map(projection)).area());
-  }
-
-  path.projection = function(x) {
-    projection = x;
-    return path;
-  };
-
-  path.pointRadius = function(x) {
-    if (typeof x === "function") pointRadius = x;
-    else {
-      pointRadius = +x;
-      pointCircle = d3_path_circle(pointRadius);
-    }
-    return path;
-  };
-
-  return path;
-};
-
-function d3_path_circle(radius) {
-  return "m0," + radius
-      + "a" + radius + "," + radius + " 0 1,1 0," + (-2 * radius)
-      + "a" + radius + "," + radius + " 0 1,1 0," + (+2 * radius)
-      + "z";
-}
-/**
- * Given a GeoJSON object, returns the corresponding bounding box. The bounding
- * box is represented by a two-dimensional array: [[left, bottom], [right,
- * top]], where left is the minimum longitude, bottom is the minimum latitude,
- * right is maximum longitude, and top is the maximum latitude.
- */
-d3.geo.bounds = function(feature) {
-  var left = Infinity,
-      bottom = Infinity,
-      right = -Infinity,
-      top = -Infinity;
-  d3_geo_bounds(feature, function(x, y) {
-    if (x < left) left = x;
-    if (x > right) right = x;
-    if (y < bottom) bottom = y;
-    if (y > top) top = y;
-  });
-  return [[left, bottom], [right, top]];
-};
-
-function d3_geo_bounds(o, f) {
-  if (d3_geo_boundsTypes.hasOwnProperty(o.type)) d3_geo_boundsTypes[o.type](o, f);
-}
-
-var d3_geo_boundsTypes = {
-  Feature: d3_geo_boundsFeature,
-  FeatureCollection: d3_geo_boundsFeatureCollection,
-  GeometryCollection: d3_geo_boundsGeometryCollection,
-  LineString: d3_geo_boundsLineString,
-  MultiLineString: d3_geo_boundsMultiLineString,
-  MultiPoint: d3_geo_boundsLineString,
-  MultiPolygon: d3_geo_boundsMultiPolygon,
-  Point: d3_geo_boundsPoint,
-  Polygon: d3_geo_boundsPolygon
-};
-
-function d3_geo_boundsFeature(o, f) {
-  d3_geo_bounds(o.geometry, f);
-}
-
-function d3_geo_boundsFeatureCollection(o, f) {
-  for (var a = o.features, i = 0, n = a.length; i < n; i++) {
-    d3_geo_bounds(a[i].geometry, f);
-  }
-}
-
-function d3_geo_boundsGeometryCollection(o, f) {
-  for (var a = o.geometries, i = 0, n = a.length; i < n; i++) {
-    d3_geo_bounds(a[i], f);
-  }
-}
-
-function d3_geo_boundsLineString(o, f) {
-  for (var a = o.coordinates, i = 0, n = a.length; i < n; i++) {
-    f.apply(null, a[i]);
-  }
-}
-
-function d3_geo_boundsMultiLineString(o, f) {
-  for (var a = o.coordinates, i = 0, n = a.length; i < n; i++) {
-    for (var b = a[i], j = 0, m = b.length; j < m; j++) {
-      f.apply(null, b[j]);
-    }
-  }
-}
-
-function d3_geo_boundsMultiPolygon(o, f) {
-  for (var a = o.coordinates, i = 0, n = a.length; i < n; i++) {
-    for (var b = a[i][0], j = 0, m = b.length; j < m; j++) {
-      f.apply(null, b[j]);
-    }
-  }
-}
-
-function d3_geo_boundsPoint(o, f) {
-  f.apply(null, o.coordinates);
-}
-
-function d3_geo_boundsPolygon(o, f) {
-  for (var a = o.coordinates[0], i = 0, n = a.length; i < n; i++) {
-    f.apply(null, a[i]);
-  }
-}
-// TODO breakAtDateLine?
-
-d3.geo.circle = function() {
-  var origin = [0, 0],
-      degrees = 90 - 1e-2,
-      radians = degrees * d3_geo_radians,
-      arc = d3.geo.greatArc().target(Object);
-
-  function circle() {
-    // TODO render a circle as a Polygon
-  }
-
-  function visible(point) {
-    return arc.distance(point) < radians;
-  }
-
-  circle.clip = function(d) {
-    arc.source(typeof origin === "function" ? origin.apply(this, arguments) : origin);
-    return clipType(d);
-  };
-
-  var clipType = d3_geo_type({
-
-    FeatureCollection: function(o) {
-      var features = o.features.map(clipType).filter(Object);
-      return features && (o = Object.create(o), o.features = features, o);
-    },
-
-    Feature: function(o) {
-      var geometry = clipType(o.geometry);
-      return geometry && (o = Object.create(o), o.geometry = geometry, o);
-    },
-
-    Point: function(o) {
-      return visible(o.coordinates) && o;
-    },
-
-    MultiPoint: function(o) {
-      var coordinates = o.coordinates.filter(visible);
-      return coordinates.length && {
-        type: o.type,
-        coordinates: coordinates
-      };
-    },
-
-    LineString: function(o) {
-      var coordinates = clip(o.coordinates);
-      return coordinates.length && (o = Object.create(o), o.coordinates = coordinates, o);
-    },
-
-    MultiLineString: function(o) {
-      var coordinates = o.coordinates.map(clip).filter(function(d) { return d.length; });
-      return coordinates.length && (o = Object.create(o), o.coordinates = coordinates, o);
-    },
-
-    Polygon: function(o) {
-      var coordinates = o.coordinates.map(clip);
-      return coordinates[0].length && (o = Object.create(o), o.coordinates = coordinates, o);
-    },
-
-    MultiPolygon: function(o) {
-      var coordinates = o.coordinates.map(function(d) { return d.map(clip); }).filter(function(d) { return d[0].length; });
-      return coordinates.length && (o = Object.create(o), o.coordinates = coordinates, o);
-    },
-
-    GeometryCollection: function(o) {
-      var geometries = o.geometries.map(clipType).filter(Object);
-      return geometries.length && (o = Object.create(o), o.geometries = geometries, o);
-    }
-
-  });
-
-  function clip(coordinates) {
-    var i = -1,
-        n = coordinates.length,
-        clipped = [],
-        p0,
-        p1,
-        p2,
-        d0,
-        d1;
-
-    while (++i < n) {
-      d1 = arc.distance(p2 = coordinates[i]);
-      if (d1 < radians) {
-        if (p1) clipped.push(d3_geo_greatArcInterpolate(p1, p2)((d0 - radians) / (d0 - d1)));
-        clipped.push(p2);
-        p0 = p1 = null;
-      } else {
-        p1 = p2;
-        if (!p0 && clipped.length) {
-          clipped.push(d3_geo_greatArcInterpolate(clipped[clipped.length - 1], p1)((radians - d0) / (d1 - d0)));
-          p0 = p1;
-        }
-      }
-      d0 = d1;
-    }
-
-    if (p1 && clipped.length) {
-      d1 = arc.distance(p2 = clipped[0]);
-      clipped.push(d3_geo_greatArcInterpolate(p1, p2)((d0 - radians) / (d0 - d1)));
-    }
-
-    return resample(clipped);
-  }
-
-  // Resample coordinates, creating great arcs between each.
-  function resample(coordinates) {
-    var i = 0,
-        n = coordinates.length,
-        j,
-        m,
-        resampled = n ? [coordinates[0]] : coordinates,
-        resamples,
-        origin = arc.source();
-
-    while (++i < n) {
-      resamples = arc.source(coordinates[i - 1])(coordinates[i]).coordinates;
-      for (j = 0, m = resamples.length; ++j < m;) resampled.push(resamples[j]);
-    }
-
-    arc.source(origin);
-    return resampled;
-  }
-
-  circle.origin = function(x) {
-    if (!arguments.length) return origin;
-    origin = x;
-    return circle;
-  };
-
-  circle.angle = function(x) {
-    if (!arguments.length) return degrees;
-    radians = (degrees = +x) * d3_geo_radians;
-    return circle;
-  };
-
-  // Precision is specified in degrees.
-  circle.precision = function(x) {
-    if (!arguments.length) return arc.precision();
-    arc.precision(x);
-    return circle;
-  };
-
-  return circle;
-}
-d3.geo.greatArc = function() {
-  var source = d3_geo_greatArcSource,
-      target = d3_geo_greatArcTarget,
-      precision = 6 * d3_geo_radians;
-
-  function greatArc() {
-    var a = typeof source === "function" ? source.apply(this, arguments) : source,
-        b = typeof target === "function" ? target.apply(this, arguments) : target,
-        i = d3_geo_greatArcInterpolate(a, b),
-        dt = precision / i.d,
-        t = 0,
-        coordinates = [a];
-    while ((t += dt) < 1) coordinates.push(i(t));
-    coordinates.push(b);
-    return {
-      type: "LineString",
-      coordinates: coordinates
-    };
-  }
-
-  // Length returned in radians; multiply by radius for distance.
-  greatArc.distance = function() {
-    var a = typeof source === "function" ? source.apply(this, arguments) : source,
-        b = typeof target === "function" ? target.apply(this, arguments) : target;
-     return d3_geo_greatArcInterpolate(a, b).d;
-  };
-
-  greatArc.source = function(x) {
-    if (!arguments.length) return source;
-    source = x;
-    return greatArc;
-  };
-
-  greatArc.target = function(x) {
-    if (!arguments.length) return target;
-    target = x;
-    return greatArc;
-  };
-
-  // Precision is specified in degrees.
-  greatArc.precision = function(x) {
-    if (!arguments.length) return precision / d3_geo_radians;
-    precision = x * d3_geo_radians;
-    return greatArc;
-  };
-
-  return greatArc;
-};
-
-function d3_geo_greatArcSource(d) {
-  return d.source;
-}
-
-function d3_geo_greatArcTarget(d) {
-  return d.target;
-}
-
-function d3_geo_greatArcInterpolate(a, b) {
-  var x0 = a[0] * d3_geo_radians, cx0 = Math.cos(x0), sx0 = Math.sin(x0),
-      y0 = a[1] * d3_geo_radians, cy0 = Math.cos(y0), sy0 = Math.sin(y0),
-      x1 = b[0] * d3_geo_radians, cx1 = Math.cos(x1), sx1 = Math.sin(x1),
-      y1 = b[1] * d3_geo_radians, cy1 = Math.cos(y1), sy1 = Math.sin(y1),
-      d = interpolate.d = Math.acos(Math.max(-1, Math.min(1, sy0 * sy1 + cy0 * cy1 * Math.cos(x1 - x0)))),
-      sd = Math.sin(d);
-
-  // From http://williams.best.vwh.net/avform.htm#Intermediate
-  function interpolate(t) {
-    var A = Math.sin(d - (t *= d)) / sd,
-        B = Math.sin(t) / sd,
-        x = A * cy0 * cx0 + B * cy1 * cx1,
-        y = A * cy0 * sx0 + B * cy1 * sx1,
-        z = A * sy0       + B * sy1;
-    return [
-      Math.atan2(y, x) / d3_geo_radians,
-      Math.atan2(z, Math.sqrt(x * x + y * y)) / d3_geo_radians
-    ];
-  }
-
-  return interpolate;
-}
-d3.geo.greatCircle = d3.geo.circle;
-d3.geom = {};
-/**
- * Computes a contour for a given input grid function using the <a
- * href="http://en.wikipedia.org/wiki/Marching_squares">marching
- * squares</a> algorithm. Returns the contour polygon as an array of points.
- *
- * @param grid a two-input function(x, y) that returns true for values
- * inside the contour and false for values outside the contour.
- * @param start an optional starting point [x, y] on the grid.
- * @returns polygon [[x1, y1], [x2, y2], …]
- */
-d3.geom.contour = function(grid, start) {
-  var s = start || d3_geom_contourStart(grid), // starting point
-      c = [],    // contour polygon
-      x = s[0],  // current x position
-      y = s[1],  // current y position
-      dx = 0,    // next x direction
-      dy = 0,    // next y direction
-      pdx = NaN, // previous x direction
-      pdy = NaN, // previous y direction
-      i = 0;
-
-  do {
-    // determine marching squares index
-    i = 0;
-    if (grid(x-1, y-1)) i += 1;
-    if (grid(x,   y-1)) i += 2;
-    if (grid(x-1, y  )) i += 4;
-    if (grid(x,   y  )) i += 8;
-
-    // determine next direction
-    if (i === 6) {
-      dx = pdy === -1 ? -1 : 1;
-      dy = 0;
-    } else if (i === 9) {
-      dx = 0;
-      dy = pdx === 1 ? -1 : 1;
-    } else {
-      dx = d3_geom_contourDx[i];
-      dy = d3_geom_contourDy[i];
-    }
-
-    // update contour polygon
-    if (dx != pdx && dy != pdy) {
-      c.push([x, y]);
-      pdx = dx;
-      pdy = dy;
-    }
-
-    x += dx;
-    y += dy;
-  } while (s[0] != x || s[1] != y);
-
-  return c;
-};
-
-// lookup tables for marching directions
-var d3_geom_contourDx = [1, 0, 1, 1,-1, 0,-1, 1,0, 0,0,0,-1, 0,-1,NaN],
-    d3_geom_contourDy = [0,-1, 0, 0, 0,-1, 0, 0,1,-1,1,1, 0,-1, 0,NaN];
-
-function d3_geom_contourStart(grid) {
-  var x = 0,
-      y = 0;
-
-  // search for a starting point; begin at origin
-  // and proceed along outward-expanding diagonals
-  while (true) {
-    if (grid(x,y)) {
-      return [x,y];
-    }
-    if (x === 0) {
-      x = y + 1;
-      y = 0;
-    } else {
-      x = x - 1;
-      y = y + 1;
-    }
-  }
-}
-/**
- * Computes the 2D convex hull of a set of points using Graham's scanning
- * algorithm. The algorithm has been implemented as described in Cormen,
- * Leiserson, and Rivest's Introduction to Algorithms. The running time of
- * this algorithm is O(n log n), where n is the number of input points.
- *
- * @param vertices [[x1, y1], [x2, y2], …]
- * @returns polygon [[x1, y1], [x2, y2], …]
- */
-d3.geom.hull = function(vertices) {
-  if (vertices.length < 3) return [];
-
-  var len = vertices.length,
-      plen = len - 1,
-      points = [],
-      stack = [],
-      i, j, h = 0, x1, y1, x2, y2, u, v, a, sp;
-
-  // find the starting ref point: leftmost point with the minimum y coord
-  for (i=1; i<len; ++i) {
-    if (vertices[i][1] < vertices[h][1]) {
-      h = i;
-    } else if (vertices[i][1] == vertices[h][1]) {
-      h = (vertices[i][0] < vertices[h][0] ? i : h);
-    }
-  }
-
-  // calculate polar angles from ref point and sort
-  for (i=0; i<len; ++i) {
-    if (i === h) continue;
-    y1 = vertices[i][1] - vertices[h][1];
-    x1 = vertices[i][0] - vertices[h][0];
-    points.push({angle: Math.atan2(y1, x1), index: i});
-  }
-  points.sort(function(a, b) { return a.angle - b.angle; });
-
-  // toss out duplicate angles
-  a = points[0].angle;
-  v = points[0].index;
-  u = 0;
-  for (i=1; i<plen; ++i) {
-    j = points[i].index;
-    if (a == points[i].angle) {
-      // keep angle for point most distant from the reference
-      x1 = vertices[v][0] - vertices[h][0];
-      y1 = vertices[v][1] - vertices[h][1];
-      x2 = vertices[j][0] - vertices[h][0];
-      y2 = vertices[j][1] - vertices[h][1];
-      if ((x1*x1 + y1*y1) >= (x2*x2 + y2*y2)) {
-        points[i].index = -1;
-      } else {
-        points[u].index = -1;
-        a = points[i].angle;
-        u = i;
-        v = j;
-      }
-    } else {
-      a = points[i].angle;
-      u = i;
-      v = j;
-    }
-  }
-
-  // initialize the stack
-  stack.push(h);
-  for (i=0, j=0; i<2; ++j) {
-    if (points[j].index !== -1) {
-      stack.push(points[j].index);
-      i++;
-    }
-  }
-  sp = stack.length;
-
-  // do graham's scan
-  for (; j<plen; ++j) {
-    if (points[j].index === -1) continue; // skip tossed out points
-    while (!d3_geom_hullCCW(stack[sp-2], stack[sp-1], points[j].index, vertices)) {
-      --sp;
-    }
-    stack[sp++] = points[j].index;
-  }
-
-  // construct the hull
-  var poly = [];
-  for (i=0; i<sp; ++i) {
-    poly.push(vertices[stack[i]]);
-  }
-  return poly;
-}
-
-// are three points in counter-clockwise order?
-function d3_geom_hullCCW(i1, i2, i3, v) {
-  var t, a, b, c, d, e, f;
-  t = v[i1]; a = t[0]; b = t[1];
-  t = v[i2]; c = t[0]; d = t[1];
-  t = v[i3]; e = t[0]; f = t[1];
-  return ((f-b)*(c-a) - (d-b)*(e-a)) > 0;
-}
-// Note: requires coordinates to be counterclockwise and convex!
-d3.geom.polygon = function(coordinates) {
-
-  coordinates.area = function() {
-    var i = 0,
-        n = coordinates.length,
-        a = coordinates[n - 1][0] * coordinates[0][1],
-        b = coordinates[n - 1][1] * coordinates[0][0];
-    while (++i < n) {
-      a += coordinates[i - 1][0] * coordinates[i][1];
-      b += coordinates[i - 1][1] * coordinates[i][0];
-    }
-    return (b - a) * .5;
-  };
-
-  coordinates.centroid = function(k) {
-    var i = -1,
-        n = coordinates.length,
-        x = 0,
-        y = 0,
-        a,
-        b = coordinates[n - 1],
-        c;
-    if (!arguments.length) k = -1 / (6 * coordinates.area());
-    while (++i < n) {
-      a = b;
-      b = coordinates[i];
-      c = a[0] * b[1] - b[0] * a[1];
-      x += (a[0] + b[0]) * c;
-      y += (a[1] + b[1]) * c;
-    }
-    return [x * k, y * k];
-  };
-
-  // The Sutherland-Hodgman clipping algorithm.
-  coordinates.clip = function(subject) {
-    var input,
-        i = -1,
-        n = coordinates.length,
-        j,
-        m,
-        a = coordinates[n - 1],
-        b,
-        c,
-        d;
-    while (++i < n) {
-      input = subject.slice();
-      subject.length = 0;
-      b = coordinates[i];
-      c = input[(m = input.length) - 1];
-      j = -1;
-      while (++j < m) {
-        d = input[j];
-        if (d3_geom_polygonInside(d, a, b)) {
-          if (!d3_geom_polygonInside(c, a, b)) {
-            subject.push(d3_geom_polygonIntersect(c, d, a, b));
-          }
-          subject.push(d);
-        } else if (d3_geom_polygonInside(c, a, b)) {
-          subject.push(d3_geom_polygonIntersect(c, d, a, b));
-        }
-        c = d;
-      }
-      a = b;
-    }
-    return subject;
-  };
-
-  return coordinates;
-};
-
-function d3_geom_polygonInside(p, a, b) {
-  return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]);
-}
-
-// Intersect two infinite lines cd and ab.
-function d3_geom_polygonIntersect(c, d, a, b) {
-  var x1 = c[0], x2 = d[0], x3 = a[0], x4 = b[0],
-      y1 = c[1], y2 = d[1], y3 = a[1], y4 = b[1],
-      x13 = x1 - x3,
-      x21 = x2 - x1,
-      x43 = x4 - x3,
-      y13 = y1 - y3,
-      y21 = y2 - y1,
-      y43 = y4 - y3,
-      ua = (x43 * y13 - y43 * x13) / (y43 * x21 - x43 * y21);
-  return [x1 + ua * x21, y1 + ua * y21];
-}
-// Adapted from Nicolas Garcia Belmonte's JIT implementation:
-// http://blog.thejit.org/2010/02/12/voronoi-tessellation/
-// http://blog.thejit.org/assets/voronoijs/voronoi.js
-// See lib/jit/LICENSE for details.
-
-// Notes:
-//
-// This implementation does not clip the returned polygons, so if you want to
-// clip them to a particular shape you will need to do that either in SVG or by
-// post-processing with d3.geom.polygon's clip method.
-//
-// If any vertices are coincident or have NaN positions, the behavior of this
-// method is undefined. Most likely invalid polygons will be returned. You
-// should filter invalid points, and consolidate coincident points, before
-// computing the tessellation.
-
-/**
- * @param vertices [[x1, y1], [x2, y2], …]
- * @returns polygons [[[x1, y1], [x2, y2], …], …]
- */
-d3.geom.voronoi = function(vertices) {
-  var polygons = vertices.map(function() { return []; });
-
-  d3_voronoi_tessellate(vertices, function(e) {
-    var s1,
-        s2,
-        x1,
-        x2,
-        y1,
-        y2;
-    if (e.a === 1 && e.b >= 0) {
-      s1 = e.ep.r;
-      s2 = e.ep.l;
-    } else {
-      s1 = e.ep.l;
-      s2 = e.ep.r;
-    }
-    if (e.a === 1) {
-      y1 = s1 ? s1.y : -1e6;
-      x1 = e.c - e.b * y1;
-      y2 = s2 ? s2.y : 1e6;
-      x2 = e.c - e.b * y2;
-    } else {
-      x1 = s1 ? s1.x : -1e6;
-      y1 = e.c - e.a * x1;
-      x2 = s2 ? s2.x : 1e6;
-      y2 = e.c - e.a * x2;
-    }
-    var v1 = [x1, y1],
-        v2 = [x2, y2];
-    polygons[e.region.l.index].push(v1, v2);
-    polygons[e.region.r.index].push(v1, v2);
-  });
-
-  // Reconnect the polygon segments into counterclockwise loops.
-  return polygons.map(function(polygon, i) {
-    var cx = vertices[i][0],
-        cy = vertices[i][1];
-    polygon.forEach(function(v) {
-      v.angle = Math.atan2(v[0] - cx, v[1] - cy);
-    });
-    return polygon.sort(function(a, b) {
-      return a.angle - b.angle;
-    }).filter(function(d, i) {
-      return !i || (d.angle - polygon[i - 1].angle > 1e-10);
-    });
-  });
-};
-
-var d3_voronoi_opposite = {"l": "r", "r": "l"};
-
-function d3_voronoi_tessellate(vertices, callback) {
-
-  var Sites = {
-    list: vertices
-      .map(function(v, i) {
-        return {
-          index: i,
-          x: v[0],
-          y: v[1]
-        };
-      })
-      .sort(function(a, b) {
-        return a.y < b.y ? -1
-          : a.y > b.y ? 1
-          : a.x < b.x ? -1
-          : a.x > b.x ? 1
-          : 0;
-      }),
-    bottomSite: null
-  };
-
-  var EdgeList = {
-    list: [],
-    leftEnd: null,
-    rightEnd: null,
-
-    init: function() {
-      EdgeList.leftEnd = EdgeList.createHalfEdge(null, "l");
-      EdgeList.rightEnd = EdgeList.createHalfEdge(null, "l");
-      EdgeList.leftEnd.r = EdgeList.rightEnd;
-      EdgeList.rightEnd.l = EdgeList.leftEnd;
-      EdgeList.list.unshift(EdgeList.leftEnd, EdgeList.rightEnd);
-    },
-
-    createHalfEdge: function(edge, side) {
-      return {
-        edge: edge,
-        side: side,
-        vertex: null,
-        "l": null,
-        "r": null
-      };
-    },
-
-    insert: function(lb, he) {
-      he.l = lb;
-      he.r = lb.r;
-      lb.r.l = he;
-      lb.r = he;
-    },
-
-    leftBound: function(p) {
-      var he = EdgeList.leftEnd;
-      do {
-        he = he.r;
-      } while (he != EdgeList.rightEnd && Geom.rightOf(he, p));
-      he = he.l;
-      return he;
-    },
-
-    del: function(he) {
-      he.l.r = he.r;
-      he.r.l = he.l;
-      he.edge = null;
-    },
-
-    right: function(he) {
-      return he.r;
-    },
-
-    left: function(he) {
-      return he.l;
-    },
-
-    leftRegion: function(he) {
-      return he.edge == null
-          ? Sites.bottomSite
-          : he.edge.region[he.side];
-    },
-
-    rightRegion: function(he) {
-      return he.edge == null
-          ? Sites.bottomSite
-          : he.edge.region[d3_voronoi_opposite[he.side]];
-    }
-  };
-
-  var Geom = {
-
-    bisect: function(s1, s2) {
-      var newEdge = {
-        region: {"l": s1, "r": s2},
-        ep: {"l": null, "r": null}
-      };
-
-      var dx = s2.x - s1.x,
-          dy = s2.y - s1.y,
-          adx = dx > 0 ? dx : -dx,
-          ady = dy > 0 ? dy : -dy;
-
-      newEdge.c = s1.x * dx + s1.y * dy
-          + (dx * dx + dy * dy) * .5;
-
-      if (adx > ady) {
-        newEdge.a = 1;
-        newEdge.b = dy / dx;
-        newEdge.c /= dx;
-      } else {
-        newEdge.b = 1;
-        newEdge.a = dx / dy;
-        newEdge.c /= dy;
-      }
-
-      return newEdge;
-    },
-
-    intersect: function(el1, el2) {
-      var e1 = el1.edge,
-          e2 = el2.edge;
-      if (!e1 || !e2 || (e1.region.r == e2.region.r)) {
-        return null;
-      }
-      var d = (e1.a * e2.b) - (e1.b * e2.a);
-      if (Math.abs(d) < 1e-10) {
-        return null;
-      }
-      var xint = (e1.c * e2.b - e2.c * e1.b) / d,
-          yint = (e2.c * e1.a - e1.c * e2.a) / d,
-          e1r = e1.region.r,
-          e2r = e2.region.r,
-          el,
-          e;
-      if ((e1r.y < e2r.y) ||
-         (e1r.y == e2r.y && e1r.x < e2r.x)) {
-        el = el1;
-        e = e1;
-      } else {
-        el = el2;
-        e = e2;
-      }
-      var rightOfSite = (xint >= e.region.r.x);
-      if ((rightOfSite && (el.side === "l")) ||
-        (!rightOfSite && (el.side === "r"))) {
-        return null;
-      }
-      return {
-        x: xint,
-        y: yint
-      };
-    },
-
-    rightOf: function(he, p) {
-      var e = he.edge,
-          topsite = e.region.r,
-          rightOfSite = (p.x > topsite.x);
-
-      if (rightOfSite && (he.side === "l")) {
-        return 1;
-      }
-      if (!rightOfSite && (he.side === "r")) {
-        return 0;
-      }
-      if (e.a === 1) {
-        var dyp = p.y - topsite.y,
-            dxp = p.x - topsite.x,
-            fast = 0,
-            above = 0;
-
-        if ((!rightOfSite && (e.b < 0)) ||
-          (rightOfSite && (e.b >= 0))) {
-          above = fast = (dyp >= e.b * dxp);
-        } else {
-          above = ((p.x + p.y * e.b) > e.c);
-          if (e.b < 0) {
-            above = !above;
-          }
-          if (!above) {
-            fast = 1;
-          }
-        }
-        if (!fast) {
-          var dxs = topsite.x - e.region.l.x;
-          above = (e.b * (dxp * dxp - dyp * dyp)) <
-            (dxs * dyp * (1 + 2 * dxp / dxs + e.b * e.b));
-
-          if (e.b < 0) {
-            above = !above;
-          }
-        }
-      } else /* e.b == 1 */ {
-        var yl = e.c - e.a * p.x,
-            t1 = p.y - yl,
-            t2 = p.x - topsite.x,
-            t3 = yl - topsite.y;
-
-        above = (t1 * t1) > (t2 * t2 + t3 * t3);
-      }
-      return he.side === "l" ? above : !above;
-    },
-
-    endPoint: function(edge, side, site) {
-      edge.ep[side] = site;
-      if (!edge.ep[d3_voronoi_opposite[side]]) return;
-      callback(edge);
-    },
-
-    distance: function(s, t) {
-      var dx = s.x - t.x,
-          dy = s.y - t.y;
-      return Math.sqrt(dx * dx + dy * dy);
-    }
-  };
-
-  var EventQueue = {
-    list: [],
-
-    insert: function(he, site, offset) {
-      he.vertex = site;
-      he.ystar = site.y + offset;
-      for (var i=0, list=EventQueue.list, l=list.length; i<l; i++) {
-        var next = list[i];
-        if (he.ystar > next.ystar ||
-          (he.ystar == next.ystar &&
-          site.x > next.vertex.x)) {
-          continue;
-        } else {
-          break;
-        }
-      }
-      list.splice(i, 0, he);
-    },
-
-    del: function(he) {
-      for (var i=0, ls=EventQueue.list, l=ls.length; i<l && (ls[i] != he); ++i) {}
-      ls.splice(i, 1);
-    },
-
-    empty: function() { return EventQueue.list.length === 0; },
-
-    nextEvent: function(he) {
-      for (var i=0, ls=EventQueue.list, l=ls.length; i<l; ++i) {
-        if (ls[i] == he) return ls[i+1];
-      }
-      return null;
-    },
-
-    min: function() {
-      var elem = EventQueue.list[0];
-      return {
-        x: elem.vertex.x,
-        y: elem.ystar
-      };
-    },
-
-    extractMin: function() {
-      return EventQueue.list.shift();
-    }
-  };
-
-  EdgeList.init();
-  Sites.bottomSite = Sites.list.shift();
-
-  var newSite = Sites.list.shift(), newIntStar;
-  var lbnd, rbnd, llbnd, rrbnd, bisector;
-  var bot, top, temp, p, v;
-  var e, pm;
-
-  while (true) {
-    if (!EventQueue.empty()) {
-      newIntStar = EventQueue.min();
-    }
-    if (newSite && (EventQueue.empty()
-      || newSite.y < newIntStar.y
-      || (newSite.y == newIntStar.y
-      && newSite.x < newIntStar.x))) { //new site is smallest
-      lbnd = EdgeList.leftBound(newSite);
-      rbnd = EdgeList.right(lbnd);
-      bot = EdgeList.rightRegion(lbnd);
-      e = Geom.bisect(bot, newSite);
-      bisector = EdgeList.createHalfEdge(e, "l");
-      EdgeList.insert(lbnd, bisector);
-      p = Geom.intersect(lbnd, bisector);
-      if (p) {
-        EventQueue.del(lbnd);
-        EventQueue.insert(lbnd, p, Geom.distance(p, newSite));
-      }
-      lbnd = bisector;
-      bisector = EdgeList.createHalfEdge(e, "r");
-      EdgeList.insert(lbnd, bisector);
-      p = Geom.intersect(bisector, rbnd);
-      if (p) {
-        EventQueue.insert(bisector, p, Geom.distance(p, newSite));
-      }
-      newSite = Sites.list.shift();
-    } else if (!EventQueue.empty()) { //intersection is smallest
-      lbnd = EventQueue.extractMin();
-      llbnd = EdgeList.left(lbnd);
-      rbnd = EdgeList.right(lbnd);
-      rrbnd = EdgeList.right(rbnd);
-      bot = EdgeList.leftRegion(lbnd);
-      top = EdgeList.rightRegion(rbnd);
-      v = lbnd.vertex;
-      Geom.endPoint(lbnd.edge, lbnd.side, v);
-      Geom.endPoint(rbnd.edge, rbnd.side, v);
-      EdgeList.del(lbnd);
-      EventQueue.del(rbnd);
-      EdgeList.del(rbnd);
-      pm = "l";
-      if (bot.y > top.y) {
-        temp = bot;
-        bot = top;
-        top = temp;
-        pm = "r";
-      }
-      e = Geom.bisect(bot, top);
-      bisector = EdgeList.createHalfEdge(e, pm);
-      EdgeList.insert(llbnd, bisector);
-      Geom.endPoint(e, d3_voronoi_opposite[pm], v);
-      p = Geom.intersect(llbnd, bisector);
-      if (p) {
-        EventQueue.del(llbnd);
-        EventQueue.insert(llbnd, p, Geom.distance(p, bot));
-      }
-      p = Geom.intersect(bisector, rrbnd);
-      if (p) {
-        EventQueue.insert(bisector, p, Geom.distance(p, bot));
-      }
-    } else {
-      break;
-    }
-  }//end while
-
-  for (lbnd = EdgeList.right(EdgeList.leftEnd);
-      lbnd != EdgeList.rightEnd;
-      lbnd = EdgeList.right(lbnd)) {
-    callback(lbnd.edge);
-  }
-}
-/**
-* @param vertices [[x1, y1], [x2, y2], …]
-* @returns triangles [[[x1, y1], [x2, y2], [x3, y3]], …]
- */
-d3.geom.delaunay = function(vertices) {
-  var edges = vertices.map(function() { return []; }),
-      triangles = [];
-
-  // Use the Voronoi tessellation to determine Delaunay edges.
-  d3_voronoi_tessellate(vertices, function(e) {
-    edges[e.region.l.index].push(vertices[e.region.r.index]);
-  });
-
-  // Reconnect the edges into counterclockwise triangles.
-  edges.forEach(function(edge, i) {
-    var v = vertices[i],
-        cx = v[0],
-        cy = v[1];
-    edge.forEach(function(v) {
-      v.angle = Math.atan2(v[0] - cx, v[1] - cy);
-    });
-    edge.sort(function(a, b) {
-      return a.angle - b.angle;
-    });
-    for (var j = 0, m = edge.length - 1; j < m; j++) {
-      triangles.push([v, edge[j], edge[j + 1]]);
-    }
-  });
-
-  return triangles;
-};
-// Constructs a new quadtree for the specified array of points. A quadtree is a
-// two-dimensional recursive spatial subdivision. This implementation uses
-// square partitions, dividing each square into four equally-sized squares. Each
-// point exists in a unique node; if multiple points are in the same position,
-// some points may be stored on internal nodes rather than leaf nodes. Quadtrees
-// can be used to accelerate various spatial operations, such as the Barnes-Hut
-// approximation for computing n-body forces, or collision detection.
-d3.geom.quadtree = function(points, x1, y1, x2, y2) {
-  var p,
-      i = -1,
-      n = points.length;
-
-  // Type conversion for deprecated API.
-  if (n && isNaN(points[0].x)) points = points.map(d3_geom_quadtreePoint);
-
-  // Allow bounds to be specified explicitly.
-  if (arguments.length < 5) {
-    if (arguments.length === 3) {
-      y2 = x2 = y1;
-      y1 = x1;
-    } else {
-      x1 = y1 = Infinity;
-      x2 = y2 = -Infinity;
-
-      // Compute bounds.
-      while (++i < n) {
-        p = points[i];
-        if (p.x < x1) x1 = p.x;
-        if (p.y < y1) y1 = p.y;
-        if (p.x > x2) x2 = p.x;
-        if (p.y > y2) y2 = p.y;
-      }
-
-      // Squarify the bounds.
-      var dx = x2 - x1,
-          dy = y2 - y1;
-      if (dx > dy) y2 = y1 + dx;
-      else x2 = x1 + dy;
-    }
-  }
-
-  // Recursively inserts the specified point p at the node n or one of its
-  // descendants. The bounds are defined by [x1, x2] and [y1, y2].
-  function insert(n, p, x1, y1, x2, y2) {
-    if (isNaN(p.x) || isNaN(p.y)) return; // ignore invalid points
-    if (n.leaf) {
-      var v = n.point;
-      if (v) {
-        // If the point at this leaf node is at the same position as the new
-        // point we are adding, we leave the point associated with the
-        // internal node while adding the new point to a child node. This
-        // avoids infinite recursion.
-        if ((Math.abs(v.x - p.x) + Math.abs(v.y - p.y)) < .01) {
-          insertChild(n, p, x1, y1, x2, y2);
-        } else {
-          n.point = null;
-          insertChild(n, v, x1, y1, x2, y2);
-          insertChild(n, p, x1, y1, x2, y2);
-        }
-      } else {
-        n.point = p;
-      }
-    } else {
-      insertChild(n, p, x1, y1, x2, y2);
-    }
-  }
-
-  // Recursively inserts the specified point p into a descendant of node n. The
-  // bounds are defined by [x1, x2] and [y1, y2].
-  function insertChild(n, p, x1, y1, x2, y2) {
-    // Compute the split point, and the quadrant in which to insert p.
-    var sx = (x1 + x2) * .5,
-        sy = (y1 + y2) * .5,
-        right = p.x >= sx,
-        bottom = p.y >= sy,
-        i = (bottom << 1) + right;
-
-    // Recursively insert into the child node.
-    n.leaf = false;
-    n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode());
-
-    // Update the bounds as we recurse.
-    if (right) x1 = sx; else x2 = sx;
-    if (bottom) y1 = sy; else y2 = sy;
-    insert(n, p, x1, y1, x2, y2);
-  }
-
-  // Create the root node.
-  var root = d3_geom_quadtreeNode();
-
-  root.add = function(p) {
-    insert(root, p, x1, y1, x2, y2);
-  };
-
-  root.visit = function(f) {
-    d3_geom_quadtreeVisit(f, root, x1, y1, x2, y2);
-  };
-
-  // Insert all points.
-  points.forEach(root.add);
-  return root;
-};
-
-function d3_geom_quadtreeNode() {
-  return {
-    leaf: true,
-    nodes: [],
-    point: null
-  };
-}
-
-function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) {
-  if (!f(node, x1, y1, x2, y2)) {
-    var sx = (x1 + x2) * .5,
-        sy = (y1 + y2) * .5,
-        children = node.nodes;
-    if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy);
-    if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy);
-    if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2);
-    if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2);
-  }
-}
-
-function d3_geom_quadtreePoint(p) {
-  return {
-    x: p[0],
-    y: p[1]
-  };
-}
-d3.time = {};
-
-var d3_time = Date;
-
-function d3_time_utc() {
-  this._ = new Date(arguments.length > 1
-      ? Date.UTC.apply(this, arguments)
-      : arguments[0]);
-}
-
-d3_time_utc.prototype = {
-  getDate: function() { return this._.getUTCDate(); },
-  getDay: function() { return this._.getUTCDay(); },
-  getFullYear: function() { return this._.getUTCFullYear(); },
-  getHours: function() { return this._.getUTCHours(); },
-  getMilliseconds: function() { return this._.getUTCMilliseconds(); },
-  getMinutes: function() { return this._.getUTCMinutes(); },
-  getMonth: function() { return this._.getUTCMonth(); },
-  getSeconds: function() { return this._.getUTCSeconds(); },
-  getTime: function() { return this._.getTime(); },
-  getTimezoneOffset: function() { return 0; },
-  valueOf: function() { return this._.valueOf(); },
-  setDate: function() { d3_time_prototype.setUTCDate.apply(this._, arguments); },
-  setDay: function() { d3_time_prototype.setUTCDay.apply(this._, arguments); },
-  setFullYear: function() { d3_time_prototype.setUTCFullYear.apply(this._, arguments); },
-  setHours: function() { d3_time_prototype.setUTCHours.apply(this._, arguments); },
-  setMilliseconds: function() { d3_time_prototype.setUTCMilliseconds.apply(this._, arguments); },
-  setMinutes: function() { d3_time_prototype.setUTCMinutes.apply(this._, arguments); },
-  setMonth: function() { d3_time_prototype.setUTCMonth.apply(this._, arguments); },
-  setSeconds: function() { d3_time_prototype.setUTCSeconds.apply(this._, arguments); },
-  setTime: function() { d3_time_prototype.setTime.apply(this._, arguments); }
-};
-
-var d3_time_prototype = Date.prototype;
-d3.time.format = function(template) {
-  var n = template.length;
-
-  function format(date) {
-    var string = [],
-        i = -1,
-        j = 0,
-        c,
-        f;
-    while (++i < n) {
-      if (template.charCodeAt(i) == 37) {
-        string.push(
-            template.substring(j, i),
-            (f = d3_time_formats[c = template.charAt(++i)])
-            ? f(date) : c);
-        j = i + 1;
-      }
-    }
-    string.push(template.substring(j, i));
-    return string.join("");
-  }
-
-  format.parse = function(string) {
-    var d = {y: 1900, m: 0, d: 1, H: 0, M: 0, S: 0, L: 0},
-        i = d3_time_parse(d, template, string, 0);
-    if (i != string.length) return null;
-
-    // The am-pm flag is 0 for AM, and 1 for PM.
-    if ("p" in d) d.H = d.H % 12 + d.p * 12;
-
-    var date = new d3_time();
-    date.setFullYear(d.y, d.m, d.d);
-    date.setHours(d.H, d.M, d.S, d.L);
-    return date;
-  };
-
-  format.toString = function() {
-    return template;
-  };
-
-  return format;
-};
-
-function d3_time_parse(date, template, string, j) {
-  var c,
-      p,
-      i = 0,
-      n = template.length,
-      m = string.length;
-  while (i < n) {
-    if (j >= m) return -1;
-    c = template.charCodeAt(i++);
-    if (c == 37) {
-      p = d3_time_parsers[template.charAt(i++)];
-      if (!p || ((j = p(date, string, j)) < 0)) return -1;
-    } else if (c != string.charCodeAt(j++)) {
-      return -1;
-    }
-  }
-  return j;
-}
-
-var d3_time_zfill2 = d3.format("02d"),
-    d3_time_zfill3 = d3.format("03d"),
-    d3_time_zfill4 = d3.format("04d"),
-    d3_time_sfill2 = d3.format("2d");
-
-var d3_time_formats = {
-  a: function(d) { return d3_time_weekdays[d.getDay()].substring(0, 3); },
-  A: function(d) { return d3_time_weekdays[d.getDay()]; },
-  b: function(d) { return d3_time_months[d.getMonth()].substring(0, 3); },
-  B: function(d) { return d3_time_months[d.getMonth()]; },
-  c: d3.time.format("%a %b %e %H:%M:%S %Y"),
-  d: function(d) { return d3_time_zfill2(d.getDate()); },
-  e: function(d) { return d3_time_sfill2(d.getDate()); },
-  H: function(d) { return d3_time_zfill2(d.getHours()); },
-  I: function(d) { return d3_time_zfill2(d.getHours() % 12 || 12); },
-  j: function(d) { return d3_time_zfill3(1 + d3.time.dayOfYear(d)); },
-  L: function(d) { return d3_time_zfill3(d.getMilliseconds()); },
-  m: function(d) { return d3_time_zfill2(d.getMonth() + 1); },
-  M: function(d) { return d3_time_zfill2(d.getMinutes()); },
-  p: function(d) { return d.getHours() >= 12 ? "PM" : "AM"; },
-  S: function(d) { return d3_time_zfill2(d.getSeconds()); },
-  U: function(d) { return d3_time_zfill2(d3.time.sundayOfYear(d)); },
-  w: function(d) { return d.getDay(); },
-  W: function(d) { return d3_time_zfill2(d3.time.mondayOfYear(d)); },
-  x: d3.time.format("%m/%d/%y"),
-  X: d3.time.format("%H:%M:%S"),
-  y: function(d) { return d3_time_zfill2(d.getFullYear() % 100); },
-  Y: function(d) { return d3_time_zfill4(d.getFullYear() % 10000); },
-  Z: d3_time_zone,
-  "%": function(d) { return "%"; }
-};
-
-var d3_time_parsers = {
-  a: d3_time_parseWeekdayAbbrev,
-  A: d3_time_parseWeekday,
-  b: d3_time_parseMonthAbbrev,
-  B: d3_time_parseMonth,
-  c: d3_time_parseLocaleFull,
-  d: d3_time_parseDay,
-  e: d3_time_parseDay,
-  H: d3_time_parseHour24,
-  I: d3_time_parseHour24,
-  // j: function(d, s, i) { /*TODO day of year [001,366] */ return i; },
-  L: d3_time_parseMilliseconds,
-  m: d3_time_parseMonthNumber,
-  M: d3_time_parseMinutes,
-  p: d3_time_parseAmPm,
-  S: d3_time_parseSeconds,
-  // U: function(d, s, i) { /*TODO week number (sunday) [00,53] */ return i; },
-  // w: function(d, s, i) { /*TODO weekday [0,6] */ return i; },
-  // W: function(d, s, i) { /*TODO week number (monday) [00,53] */ return i; },
-  x: d3_time_parseLocaleDate,
-  X: d3_time_parseLocaleTime,
-  y: d3_time_parseYear,
-  Y: d3_time_parseFullYear
-  // ,
-  // Z: function(d, s, i) { /*TODO time zone */ return i; },
-  // "%": function(d, s, i) { /*TODO literal % */ return i; }
-};
-
-// Note: weekday is validated, but does not set the date.
-function d3_time_parseWeekdayAbbrev(date, string, i) {
-  return d3_time_weekdayAbbrevRe.test(string.substring(i, i += 3)) ? i : -1;
-}
-
-// Note: weekday is validated, but does not set the date.
-function d3_time_parseWeekday(date, string, i) {
-  d3_time_weekdayRe.lastIndex = 0;
-  var n = d3_time_weekdayRe.exec(string.substring(i, i + 10));
-  return n ? i += n[0].length : -1;
-}
-
-var d3_time_weekdayAbbrevRe = /^(?:sun|mon|tue|wed|thu|fri|sat)/i,
-    d3_time_weekdayRe = /^(?:Sunday|Monday|Tuesday|Wednesday|Thursday|Friday|Saturday)/i;
-    d3_time_weekdays = ["Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday"];
-
-function d3_time_parseMonthAbbrev(date, string, i) {
-  var n = d3_time_monthAbbrevLookup.get(string.substring(i, i += 3).toLowerCase());
-  return n == null ? -1 : (date.m = n, i);
-}
-
-var d3_time_monthAbbrevLookup = d3.map({
-  jan: 0,
-  feb: 1,
-  mar: 2,
-  apr: 3,
-  may: 4,
-  jun: 5,
-  jul: 6,
-  aug: 7,
-  sep: 8,
-  oct: 9,
-  nov: 10,
-  dec: 11
-});
-
-function d3_time_parseMonth(date, string, i) {
-  d3_time_monthRe.lastIndex = 0;
-  var n = d3_time_monthRe.exec(string.substring(i, i + 12));
-  return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i += n[0].length) : -1;
-}
-
-var d3_time_monthRe = /^(?:January|February|March|April|May|June|July|August|September|October|November|December)/ig;
-
-var d3_time_monthLookup = d3.map({
-  january: 0,
-  february: 1,
-  march: 2,
-  april: 3,
-  may: 4,
-  june: 5,
-  july: 6,
-  august: 7,
-  september: 8,
-  october: 9,
-  november: 10,
-  december: 11
-});
-
-var d3_time_months = [
-  "January",
-  "February",
-  "March",
-  "April",
-  "May",
-  "June",
-  "July",
-  "August",
-  "September",
-  "October",
-  "November",
-  "December"
-];
-
-function d3_time_parseLocaleFull(date, string, i) {
-  return d3_time_parse(date, d3_time_formats.c.toString(), string, i);
-}
-
-function d3_time_parseLocaleDate(date, string, i) {
-  return d3_time_parse(date, d3_time_formats.x.toString(), string, i);
-}
-
-function d3_time_parseLocaleTime(date, string, i) {
-  return d3_time_parse(date, d3_time_formats.X.toString(), string, i);
-}
-
-function d3_time_parseFullYear(date, string, i) {
-  d3_time_numberRe.lastIndex = 0;
-  var n = d3_time_numberRe.exec(string.substring(i, i + 4));
-  return n ? (date.y = +n[0], i += n[0].length) : -1;
-}
-
-function d3_time_parseYear(date, string, i) {
-  d3_time_numberRe.lastIndex = 0;
-  var n = d3_time_numberRe.exec(string.substring(i, i + 2));
-  return n ? (date.y = d3_time_century() + +n[0], i += n[0].length) : -1;
-}
-
-function d3_time_century() {
-  return ~~(new Date().getFullYear() / 1000) * 1000;
-}
-
-function d3_time_parseMonthNumber(date, string, i) {
-  d3_time_numberRe.lastIndex = 0;
-  var n = d3_time_numberRe.exec(string.substring(i, i + 2));
-  return n ? (date.m = n[0] - 1, i += n[0].length) : -1;
-}
-
-function d3_time_parseDay(date, string, i) {
-  d3_time_numberRe.lastIndex = 0;
-  var n = d3_time_numberRe.exec(string.substring(i, i + 2));
-  return n ? (date.d = +n[0], i += n[0].length) : -1;
-}
-
-// Note: we don't validate that the hour is in the range [0,23] or [1,12].
-function d3_time_parseHour24(date, string, i) {
-  d3_time_numberRe.lastIndex = 0;
-  var n = d3_time_numberRe.exec(string.substring(i, i + 2));
-  return n ? (date.H = +n[0], i += n[0].length) : -1;
-}
-
-function d3_time_parseMinutes(date, string, i) {
-  d3_time_numberRe.lastIndex = 0;
-  var n = d3_time_numberRe.exec(string.substring(i, i + 2));
-  return n ? (date.M = +n[0], i += n[0].length) : -1;
-}
-
-function d3_time_parseSeconds(date, string, i) {
-  d3_time_numberRe.lastIndex = 0;
-  var n = d3_time_numberRe.exec(string.substring(i, i + 2));
-  return n ? (date.S = +n[0], i += n[0].length) : -1;
-}
-
-function d3_time_parseMilliseconds(date, string, i) {
-  d3_time_numberRe.lastIndex = 0;
-  var n = d3_time_numberRe.exec(string.substring(i, i + 3));
-  return n ? (date.L = +n[0], i += n[0].length) : -1;
-}
-
-// Note: we don't look at the next directive.
-var d3_time_numberRe = /\s*\d+/;
-
-function d3_time_parseAmPm(date, string, i) {
-  var n = d3_time_amPmLookup.get(string.substring(i, i += 2).toLowerCase());
-  return n == null ? -1 : (date.p = n, i);
-}
-
-var d3_time_amPmLookup = d3.map({
-  am: 0,
-  pm: 1
-});
-
-// TODO table of time zone offset names?
-function d3_time_zone(d) {
-  var z = d.getTimezoneOffset(),
-      zs = z > 0 ? "-" : "+",
-      zh = ~~(Math.abs(z) / 60),
-      zm = Math.abs(z) % 60;
-  return zs + d3_time_zfill2(zh) + d3_time_zfill2(zm);
-}
-d3.time.format.utc = function(template) {
-  var local = d3.time.format(template);
-
-  function format(date) {
-    try {
-      d3_time = d3_time_utc;
-      var utc = new d3_time();
-      utc._ = date;
-      return local(utc);
-    } finally {
-      d3_time = Date;
-    }
-  }
-
-  format.parse = function(string) {
-    try {
-      d3_time = d3_time_utc;
-      var date = local.parse(string);
-      return date && date._;
-    } finally {
-      d3_time = Date;
-    }
-  };
-
-  format.toString = local.toString;
-
-  return format;
-};
-var d3_time_formatIso = d3.time.format.utc("%Y-%m-%dT%H:%M:%S.%LZ");
-
-d3.time.format.iso = Date.prototype.toISOString ? d3_time_formatIsoNative : d3_time_formatIso;
-
-function d3_time_formatIsoNative(date) {
-  return date.toISOString();
-}
-
-d3_time_formatIsoNative.parse = function(string) {
-  return new Date(string);
-};
-
-d3_time_formatIsoNative.toString = d3_time_formatIso.toString;
-function d3_time_interval(local, step, number) {
-
-  function round(date) {
-    var d0 = local(date), d1 = offset(d0, 1);
-    return date - d0 < d1 - date ? d0 : d1;
-  }
-
-  function ceil(date) {
-    step(date = local(new d3_time(date - 1)), 1);
-    return date;
-  }
-
-  function offset(date, k) {
-    step(date = new d3_time(+date), k);
-    return date;
-  }
-
-  function range(t0, t1, dt) {
-    var time = ceil(t0), times = [];
-    if (dt > 1) {
-      while (time < t1) {
-        if (!(number(time) % dt)) times.push(new Date(+time));
-        step(time, 1);
-      }
-    } else {
-      while (time < t1) times.push(new Date(+time)), step(time, 1);
-    }
-    return times;
-  }
-
-  function range_utc(t0, t1, dt) {
-    try {
-      d3_time = d3_time_utc;
-      var utc = new d3_time_utc();
-      utc._ = t0;
-      return range(utc, t1, dt);
-    } finally {
-      d3_time = Date;
-    }
-  }
-
-  local.floor = local;
-  local.round = round;
-  local.ceil = ceil;
-  local.offset = offset;
-  local.range = range;
-
-  var utc = local.utc = d3_time_interval_utc(local);
-  utc.floor = utc;
-  utc.round = d3_time_interval_utc(round);
-  utc.ceil = d3_time_interval_utc(ceil);
-  utc.offset = d3_time_interval_utc(offset);
-  utc.range = range_utc;
-
-  return local;
-}
-
-function d3_time_interval_utc(method) {
-  return function(date, k) {
-    try {
-      d3_time = d3_time_utc;
-      var utc = new d3_time_utc();
-      utc._ = date;
-      return method(utc, k)._;
-    } finally {
-      d3_time = Date;
-    }
-  };
-}
-d3.time.second = d3_time_interval(function(date) {
-  return new d3_time(Math.floor(date / 1e3) * 1e3);
-}, function(date, offset) {
-  date.setTime(date.getTime() + Math.floor(offset) * 1e3); // DST breaks setSeconds
-}, function(date) {
-  return date.getSeconds();
-});
-
-d3.time.seconds = d3.time.second.range;
-d3.time.seconds.utc = d3.time.second.utc.range;
-d3.time.minute = d3_time_interval(function(date) {
-  return new d3_time(Math.floor(date / 6e4) * 6e4);
-}, function(date, offset) {
-  date.setTime(date.getTime() + Math.floor(offset) * 6e4); // DST breaks setMinutes
-}, function(date) {
-  return date.getMinutes();
-});
-
-d3.time.minutes = d3.time.minute.range;
-d3.time.minutes.utc = d3.time.minute.utc.range;
-d3.time.hour = d3_time_interval(function(date) {
-  var timezone = date.getTimezoneOffset() / 60;
-  return new d3_time((Math.floor(date / 36e5 - timezone) + timezone) * 36e5);
-}, function(date, offset) {
-  date.setTime(date.getTime() + Math.floor(offset) * 36e5); // DST breaks setHours
-}, function(date) {
-  return date.getHours();
-});
-
-d3.time.hours = d3.time.hour.range;
-d3.time.hours.utc = d3.time.hour.utc.range;
-d3.time.day = d3_time_interval(function(date) {
-  return new d3_time(date.getFullYear(), date.getMonth(), date.getDate());
-}, function(date, offset) {
-  date.setDate(date.getDate() + offset);
-}, function(date) {
-  return date.getDate() - 1;
-});
-
-d3.time.days = d3.time.day.range;
-d3.time.days.utc = d3.time.day.utc.range;
-
-d3.time.dayOfYear = function(date) {
-  var year = d3.time.year(date);
-  return Math.floor((date - year) / 864e5 - (date.getTimezoneOffset() - year.getTimezoneOffset()) / 1440);
-};
-d3_time_weekdays.forEach(function(day, i) {
-  day = day.toLowerCase();
-  i = 7 - i;
-
-  var interval = d3.time[day] = d3_time_interval(function(date) {
-    (date = d3.time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7);
-    return date;
-  }, function(date, offset) {
-    date.setDate(date.getDate() + Math.floor(offset) * 7);
-  }, function(date) {
-    var day = d3.time.year(date).getDay();
-    return Math.floor((d3.time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i);
-  });
-
-  d3.time[day + "s"] = interval.range;
-  d3.time[day + "s"].utc = interval.utc.range;
-
-  d3.time[day + "OfYear"] = function(date) {
-    var day = d3.time.year(date).getDay();
-    return Math.floor((d3.time.dayOfYear(date) + (day + i) % 7) / 7);
-  };
-});
-
-d3.time.week = d3.time.sunday;
-d3.time.weeks = d3.time.sunday.range;
-d3.time.weeks.utc = d3.time.sunday.utc.range;
-d3.time.weekOfYear = d3.time.sundayOfYear;
-d3.time.month = d3_time_interval(function(date) {
-  return new d3_time(date.getFullYear(), date.getMonth(), 1);
-}, function(date, offset) {
-  date.setMonth(date.getMonth() + offset);
-}, function(date) {
-  return date.getMonth();
-});
-
-d3.time.months = d3.time.month.range;
-d3.time.months.utc = d3.time.month.utc.range;
-d3.time.year = d3_time_interval(function(date) {
-  return new d3_time(date.getFullYear(), 0, 1);
-}, function(date, offset) {
-  date.setFullYear(date.getFullYear() + offset);
-}, function(date) {
-  return date.getFullYear();
-});
-
-d3.time.years = d3.time.year.range;
-d3.time.years.utc = d3.time.year.utc.range;
-function d3_time_scale(linear, methods, format) {
-
-  function scale(x) {
-    return linear(x);
-  }
-
-  scale.invert = function(x) {
-    return d3_time_scaleDate(linear.invert(x));
-  };
-
-  scale.domain = function(x) {
-    if (!arguments.length) return linear.domain().map(d3_time_scaleDate);
-    linear.domain(x);
-    return scale;
-  };
-
-  scale.nice = function(m) {
-    var extent = d3_time_scaleExtent(scale.domain());
-    return scale.domain([m.floor(extent[0]), m.ceil(extent[1])]);
-  };
-
-  scale.ticks = function(m, k) {
-    var extent = d3_time_scaleExtent(scale.domain());
-    if (typeof m !== "function") {
-      var span = extent[1] - extent[0],
-          target = span / m,
-          i = d3.bisect(d3_time_scaleSteps, target);
-      if (i == d3_time_scaleSteps.length) return methods.year(extent, m);
-      if (!i) return linear.ticks(m).map(d3_time_scaleDate);
-      if (Math.log(target / d3_time_scaleSteps[i - 1]) < Math.log(d3_time_scaleSteps[i] / target)) --i;
-      m = methods[i];
-      k = m[1];
-      m = m[0].range;
-    }
-    return m(extent[0], new Date(+extent[1] + 1), k); // inclusive upper bound
-  };
-
-  scale.tickFormat = function() {
-    return format;
-  };
-
-  scale.copy = function() {
-    return d3_time_scale(linear.copy(), methods, format);
-  };
-
-  // TOOD expose d3_scale_linear_rebind?
-  return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
-}
-
-// TODO expose d3_scaleExtent?
-function d3_time_scaleExtent(domain) {
-  var start = domain[0], stop = domain[domain.length - 1];
-  return start < stop ? [start, stop] : [stop, start];
-}
-
-function d3_time_scaleDate(t) {
-  return new Date(t);
-}
-
-function d3_time_scaleFormat(formats) {
-  return function(date) {
-    var i = formats.length - 1, f = formats[i];
-    while (!f[1](date)) f = formats[--i];
-    return f[0](date);
-  };
-}
-
-function d3_time_scaleSetYear(y) {
-  var d = new Date(y, 0, 1);
-  d.setFullYear(y); // Y2K fail
-  return d;
-}
-
-function d3_time_scaleGetYear(d) {
-  var y = d.getFullYear(),
-      d0 = d3_time_scaleSetYear(y),
-      d1 = d3_time_scaleSetYear(y + 1);
-  return y + (d - d0) / (d1 - d0);
-}
-
-var d3_time_scaleSteps = [
-  1e3,    // 1-second
-  5e3,    // 5-second
-  15e3,   // 15-second
-  3e4,    // 30-second
-  6e4,    // 1-minute
-  3e5,    // 5-minute
-  9e5,    // 15-minute
-  18e5,   // 30-minute
-  36e5,   // 1-hour
-  108e5,  // 3-hour
-  216e5,  // 6-hour
-  432e5,  // 12-hour
-  864e5,  // 1-day
-  1728e5, // 2-day
-  6048e5, // 1-week
-  2592e6, // 1-month
-  7776e6, // 3-month
-  31536e6 // 1-year
-];
-
-var d3_time_scaleLocalMethods = [
-  [d3.time.second, 1],
-  [d3.time.second, 5],
-  [d3.time.second, 15],
-  [d3.time.second, 30],
-  [d3.time.minute, 1],
-  [d3.time.minute, 5],
-  [d3.time.minute, 15],
-  [d3.time.minute, 30],
-  [d3.time.hour, 1],
-  [d3.time.hour, 3],
-  [d3.time.hour, 6],
-  [d3.time.hour, 12],
-  [d3.time.day, 1],
-  [d3.time.day, 2],
-  [d3.time.week, 1],
-  [d3.time.month, 1],
-  [d3.time.month, 3],
-  [d3.time.year, 1]
-];
-
-var d3_time_scaleLocalFormats = [
-  [d3.time.format("%Y"), function(d) { return true; }],
-  [d3.time.format("%B"), function(d) { return d.getMonth(); }],
-  [d3.time.format("%b %d"), function(d) { return d.getDate() != 1; }],
-  [d3.time.format("%a %d"), function(d) { return d.getDay() && d.getDate() != 1; }],
-  [d3.time.format("%I %p"), function(d) { return d.getHours(); }],
-  [d3.time.format("%I:%M"), function(d) { return d.getMinutes(); }],
-  [d3.time.format(":%S"), function(d) { return d.getSeconds(); }],
-  [d3.time.format(".%L"), function(d) { return d.getMilliseconds(); }]
-];
-
-var d3_time_scaleLinear = d3.scale.linear(),
-    d3_time_scaleLocalFormat = d3_time_scaleFormat(d3_time_scaleLocalFormats);
-
-d3_time_scaleLocalMethods.year = function(extent, m) {
-  return d3_time_scaleLinear.domain(extent.map(d3_time_scaleGetYear)).ticks(m).map(d3_time_scaleSetYear);
-};
-
-d3.time.scale = function() {
-  return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat);
-};
-var d3_time_scaleUTCMethods = d3_time_scaleLocalMethods.map(function(m) {
-  return [m[0].utc, m[1]];
-});
-
-var d3_time_scaleUTCFormats = [
-  [d3.time.format.utc("%Y"), function(d) { return true; }],
-  [d3.time.format.utc("%B"), function(d) { return d.getUTCMonth(); }],
-  [d3.time.format.utc("%b %d"), function(d) { return d.getUTCDate() != 1; }],
-  [d3.time.format.utc("%a %d"), function(d) { return d.getUTCDay() && d.getUTCDate() != 1; }],
-  [d3.time.format.utc("%I %p"), function(d) { return d.getUTCHours(); }],
-  [d3.time.format.utc("%I:%M"), function(d) { return d.getUTCMinutes(); }],
-  [d3.time.format.utc(":%S"), function(d) { return d.getUTCSeconds(); }],
-  [d3.time.format.utc(".%L"), function(d) { return d.getUTCMilliseconds(); }]
-];
-
-var d3_time_scaleUTCFormat = d3_time_scaleFormat(d3_time_scaleUTCFormats);
-
-function d3_time_scaleUTCSetYear(y) {
-  var d = new Date(Date.UTC(y, 0, 1));
-  d.setUTCFullYear(y); // Y2K fail
-  return d;
-}
-
-function d3_time_scaleUTCGetYear(d) {
-  var y = d.getUTCFullYear(),
-      d0 = d3_time_scaleUTCSetYear(y),
-      d1 = d3_time_scaleUTCSetYear(y + 1);
-  return y + (d - d0) / (d1 - d0);
-}
-
-d3_time_scaleUTCMethods.year = function(extent, m) {
-  return d3_time_scaleLinear.domain(extent.map(d3_time_scaleUTCGetYear)).ticks(m).map(d3_time_scaleUTCSetYear);
-};
-
-d3.time.scale.utc = function() {
-  return d3_time_scale(d3.scale.linear(), d3_time_scaleUTCMethods, d3_time_scaleUTCFormat);
-};
-})();
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/lib/highlight.v0.min.js
--- a/integ/js/vs/lib/highlight.v0.min.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,34 +0,0 @@
-/*
-
-Copyright 2006, Ivan Sagalaev.
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without modification,
-are permitted provided that the following conditions are met:
-
-* Redistributions of source code must retain the above copyright notice, this
-  list of conditions and the following disclaimer.
-
-* Redistributions in binary form must reproduce the above copyright notice, this
-  list of conditions and the following disclaimer in the documentation and/or
-  other materials provided with the distribution.
-
-* Neither the name of highlight.js nor the names of its contributors may be used
-  to endorse or promote products derived from this software without specific
-  prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS "AS IS" AND ANY
-EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
-WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
-DISCLAIMED. IN NO EVENT SHALL THE REGENTS AND CONTRIBUTORS BE LIABLE FOR ANY
-DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
-(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
-ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
-SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-
-*/
-var hljs=new function(){function m(p){return p.replace(/&/gm,"&amp;").replace(/</gm,"&lt;")}function c(r,q,p){return RegExp(q,"m"+(r.cI?"i":"")+(p?"g":""))}function j(r){for(var p=0;p<r.childNodes.length;p++){var q=r.childNodes[p];if(q.nodeName=="CODE"){return q}if(!(q.nodeType==3&&q.nodeValue.match(/\s+/))){break}}}function g(t,s){var r="";for(var q=0;q<t.childNodes.length;q++){if(t.childNodes[q].nodeType==3){var p=t.childNodes[q].nodeValue;if(s){p=p.replace(/\n/g,"")}r+=p}else{if(t.childNodes[q].nodeName=="BR"){r+="\n"}else{r+=g(t.childNodes[q])}}}if(/MSIE [678]/.test(navigator.userAgent)){r=r.replace(/\r/g,"\n")}return r}function a(s){var q=s.className.split(/\s+/);q=q.concat(s.parentNode.className.split(/\s+/));for(var p=0;p<q.length;p++){var r=q[p].replace(/^language-/,"");if(d[r]||r=="no-highlight"){return r}}}function b(p){var q=[];(function(s,t){for(var 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diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/lib/jQuery/jquery-1.4.2.min.js
--- a/integ/js/vs/lib/jQuery/jquery-1.4.2.min.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
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diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/min/vs.0.1-min.js
--- a/integ/js/vs/min/vs.0.1-min.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,35 +0,0 @@
-/*
- * Visual Sedimentation Library v0.01
- * http://www.visualsedimentation.org/
- *
- * Copyright 2013, Samuel Huron & Romain Vuillemont
- * Licensed under the CeCILL-B or GPL Version 2 licenses.
- * http://jquery.org/license
- *
- *
- *
- *
- *
- * Includes jquery.js
- * http://jquery.com/
- * Copyright 2010, John Resig
- * Released under Dual licensed under the MIT or GPL Version 2 licenses.
- * 
- * Includes d3.js
- * http://d3js.org/
- * Copyright 2012, Michael Bostock
- * Released under BSD licenses.
- * 
- * Includes Box2DWeb
- * http://www.gphysics.com
- * Copyright 2006, Erin Catto 
- * Released under zlib License.
- * 
- * Includes Sizzle.js
- * http://sizzlejs.com/
- * Copyright 2010, The Dojo Foundation
- * Released under the MIT, BSD, and GPL Licenses.
- *
- * Date: Tue Jan 01 14:25:48 2010 -0500
- */
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Bf(){Bf.b2FilterData.apply(this,arguments)}function BB(){BB.b2Fixture.apply(this,arguments);this.constructor===BB&&this.b2Fixture.apply(this,arguments)}function Ag(){Ag.b2FixtureDef.apply(this,arguments);this.constructor===Ag&&this.b2FixtureDef.apply(this,arguments)}function AK(){AK.b2Island.apply(this,arguments);this.constructor===AK&&this.b2Island.apply(this,arguments)}function AE(){AE.b2TimeStep.apply(this,arguments)}function AC(){AC.b2World.apply(this,arguments);this.constructor===AC&&this.b2World.apply(this,arguments)}function Bn(){Bn.b2CircleContact.apply(this,arguments)}function Bk(){Bk.b2Contact.apply(this,arguments);this.constructor===Bk&&this.b2Contact.apply(this,arguments)}function Bb(){Bb.b2ContactConstraint.apply(this,arguments);this.constructor===Bb&&this.b2ContactConstraint.apply(this,arguments)}function Be(){Be.b2ContactConstraintPoint.apply(this,arguments)}function BR(){BR.b2ContactEdge.apply(this,arguments)}function BI(){BI.b2ContactFactory.apply(this,arguments);this.constructor===BI&&this.b2ContactFactory.apply(this,arguments)}function Au(){Au.b2ContactRegister.apply(this,arguments)}function AO(){AO.b2ContactResult.apply(this,arguments)}function Al(){Al.b2ContactSolver.apply(this,arguments);this.constructor===Al&&this.b2ContactSolver.apply(this,arguments)}function AG(){AG.b2EdgeAndCircleContact.apply(this,arguments)}function AL(){AL.b2NullContact.apply(this,arguments);this.constructor===AL&&this.b2NullContact.apply(this,arguments)}function Bp(){Bp.b2PolyAndCircleContact.apply(this,arguments)}function Bh(){Bh.b2PolyAndEdgeContact.apply(this,arguments)}function BW(){BW.b2PolygonContact.apply(this,arguments)}function AD(){AD.b2PositionSolverManifold.apply(this,arguments);this.constructor===AD&&this.b2PositionSolverManifold.apply(this,arguments)}function Ay(){Ay.b2BuoyancyController.apply(this,arguments)}function AQ(){AQ.b2ConstantAccelController.apply(this,arguments)}function AI(){AI.b2ConstantForceController.apply(this,arguments)}function AB(){AB.b2Controller.apply(this,arguments)}function Bj(){Bj.b2ControllerEdge.apply(this,arguments)}function BY(){BY.b2GravityController.apply(this,arguments)}function A0(){A0.b2TensorDampingController.apply(this,arguments)}function Bm(){Bm.b2DistanceJoint.apply(this,arguments);this.constructor===Bm&&this.b2DistanceJoint.apply(this,arguments)}function Bd(){Bd.b2DistanceJointDef.apply(this,arguments);this.constructor===Bd&&this.b2DistanceJointDef.apply(this,arguments)}function BO(){BO.b2FrictionJoint.apply(this,arguments);this.constructor===BO&&this.b2FrictionJoint.apply(this,arguments)}function Ar(){Ar.b2FrictionJointDef.apply(this,arguments);this.constructor===Ar&&this.b2FrictionJointDef.apply(this,arguments)}function AN(){AN.b2GearJoint.apply(this,arguments);this.constructor===AN&&this.b2GearJoint.apply(this,arguments)}function AF(){AF.b2GearJointDef.apply(this,arguments);this.constructor===AF&&this.b2GearJointDef.apply(this,arguments)}function AT(){AT.b2Jacobian.apply(this,arguments)}function Bo(){Bo.b2Joint.apply(this,arguments);this.constructor===Bo&&this.b2Joint.apply(this,arguments)}function Bg(){Bg.b2JointDef.apply(this,arguments);this.constructor===Bg&&this.b2JointDef.apply(this,arguments)}function AJ(){AJ.b2JointEdge.apply(this,arguments)}function BV(){BV.b2LineJoint.apply(this,arguments);this.constructor===BV&&this.b2LineJoint.apply(this,arguments)}function Ax(){Ax.b2LineJointDef.apply(this,arguments);this.constructor===Ax&&this.b2LineJointDef.apply(this,arguments)}function AP(){AP.b2MouseJoint.apply(this,arguments);this.constructor===AP&&this.b2MouseJoint.apply(this,arguments)}function AH(){AH.b2MouseJointDef.apply(this,arguments);this.constructor===AH&&this.b2MouseJointDef.apply(this,arguments)}function AA(){AA.b2PrismaticJoint.apply(this,arguments);this.constructor===AA&&this.b2PrismaticJoint.apply(this,arguments)}function Bi(){Bi.b2PrismaticJointDef.apply(this,arguments);this.constructor===Bi&&this.b2PrismaticJointDef.apply(this,arguments)}function BX(){BX.b2PulleyJoint.apply(this,arguments);this.constructor===BX&&this.b2PulleyJoint.apply(this,arguments)}function Bl(){Bl.b2PulleyJointDef.apply(this,arguments);this.constructor===Bl&&this.b2PulleyJointDef.apply(this,arguments)}function Bc(){Bc.b2RevoluteJoint.apply(this,arguments);this.constructor===Bc&&this.b2RevoluteJoint.apply(this,arguments)}function BJ(){BJ.b2RevoluteJointDef.apply(this,arguments);this.constructor===BJ&&this.b2RevoluteJointDef.apply(this,arguments)}function Am(){Am.b2WeldJoint.apply(this,arguments);this.constructor===Am&&this.b2WeldJoint.apply(this,arguments)}function AM(){AM.b2WeldJointDef.apply(this,arguments);this.constructor===AM&&this.b2WeldJointDef.apply(this,arguments)}Box2D.Collision.IBroadPhase="Box2D.Collision.IBroadPhase";Box2D.Collision.b2AABB=BN;Box2D.Collision.b2Bound=BM;Box2D.Collision.b2BoundValues=BG;Box2D.Collision.b2Collision=AS;Box2D.Collision.b2ContactID=AV;Box2D.Collision.b2ContactPoint=BU;Box2D.Collision.b2Distance=A5;Box2D.Collision.b2DistanceInput=Ad;Box2D.Collision.b2DistanceOutput=BT;Box2D.Collision.b2DistanceProxy=A9;Box2D.Collision.b2DynamicTree=A4;Box2D.Collision.b2DynamicTreeBroadPhase=BE;Box2D.Collision.b2DynamicTreeNode=BF;Box2D.Collision.b2DynamicTreePair=BK;Box2D.Collision.b2Manifold=A3;Box2D.Collision.b2ManifoldPoint=A1;Box2D.Collision.b2Point=Aj;Box2D.Collision.b2RayCastInput=AR;Box2D.Collision.b2RayCastOutput=AX;Box2D.Collision.b2Segment=BQ;Box2D.Collision.b2SeparationFunction=BL;Box2D.Collision.b2Simplex=BC;Box2D.Collision.b2SimplexCache=BP;Box2D.Collision.b2SimplexVertex=A8;Box2D.Collision.b2TimeOfImpact=BD;Box2D.Collision.b2TOIInput=A7;Box2D.Collision.b2WorldManifold=BZ;Box2D.Collision.ClipVertex=Az;Box2D.Collision.Features=As;Box2D.Collision.Shapes.b2CircleShape=An;Box2D.Collision.Shapes.b2EdgeChainDef=Ai;Box2D.Collision.Shapes.b2EdgeShape=Ak;Box2D.Collision.Shapes.b2MassData=Ae;Box2D.Collision.Shapes.b2PolygonShape=Ac;Box2D.Collision.Shapes.b2Shape=Af;Box2D.Common.b2internal="Box2D.Common.b2internal";Box2D.Common.b2Color=Aw;Box2D.Common.b2Settings=At;Box2D.Common.Math.b2Mat22=Ao;Box2D.Common.Math.b2Mat33=Av;Box2D.Common.Math.b2Math=Aq;Box2D.Common.Math.b2Sweep=Ap;Box2D.Common.Math.b2Transform=Ah;Box2D.Common.Math.b2Vec2=Ab;Box2D.Common.Math.b2Vec3=AZ;Box2D.Dynamics.b2Body=AW;Box2D.Dynamics.b2BodyDef=AY;Box2D.Dynamics.b2ContactFilter=AU;Box2D.Dynamics.b2ContactImpulse=BS;Box2D.Dynamics.b2ContactListener=BH;Box2D.Dynamics.b2ContactManager=A6;Box2D.Dynamics.b2DebugDraw=BA;Box2D.Dynamics.b2DestructionListener=A2;Box2D.Dynamics.b2FilterData=Bf;Box2D.Dynamics.b2Fixture=BB;Box2D.Dynamics.b2FixtureDef=Ag;Box2D.Dynamics.b2Island=AK;Box2D.Dynamics.b2TimeStep=AE;Box2D.Dynamics.b2World=AC;Box2D.Dynamics.Contacts.b2CircleContact=Bn;Box2D.Dynamics.Contacts.b2Contact=Bk;Box2D.Dynamics.Contacts.b2ContactConstraint=Bb;Box2D.Dynamics.Contacts.b2ContactConstraintPoint=Be;Box2D.Dynamics.Contacts.b2ContactEdge=BR;Box2D.Dynamics.Contacts.b2ContactFactory=BI;Box2D.Dynamics.Contacts.b2ContactRegister=Au;Box2D.Dynamics.Contacts.b2ContactResult=AO;Box2D.Dynamics.Contacts.b2ContactSolver=Al;Box2D.Dynamics.Contacts.b2EdgeAndCircleContact=AG;Box2D.Dynamics.Contacts.b2NullContact=AL;Box2D.Dynamics.Contacts.b2PolyAndCircleContact=Bp;Box2D.Dynamics.Contacts.b2PolyAndEdgeContact=Bh;Box2D.Dynamics.Contacts.b2PolygonContact=BW;Box2D.Dynamics.Contacts.b2PositionSolverManifold=AD;Box2D.Dynamics.Controllers.b2BuoyancyController=Ay;Box2D.Dynamics.Controllers.b2ConstantAccelController=AQ;Box2D.Dynamics.Controllers.b2ConstantForceController=AI;Box2D.Dynamics.Controllers.b2Controller=AB;Box2D.Dynamics.Controllers.b2ControllerEdge=Bj;Box2D.Dynamics.Controllers.b2GravityController=BY;Box2D.Dynamics.Controllers.b2TensorDampingController=A0;Box2D.Dynamics.Joints.b2DistanceJoint=Bm;Box2D.Dynamics.Joints.b2DistanceJointDef=Bd;Box2D.Dynamics.Joints.b2FrictionJoint=BO;Box2D.Dynamics.Joints.b2FrictionJointDef=Ar;Box2D.Dynamics.Joints.b2GearJoint=AN;Box2D.Dynamics.Joints.b2GearJointDef=AF;Box2D.Dynamics.Joints.b2Jacobian=AT;Box2D.Dynamics.Joints.b2Joint=Bo;Box2D.Dynamics.Joints.b2JointDef=Bg;Box2D.Dynamics.Joints.b2JointEdge=AJ;Box2D.Dynamics.Joints.b2LineJoint=BV;Box2D.Dynamics.Joints.b2LineJointDef=Ax;Box2D.Dynamics.Joints.b2MouseJoint=AP;Box2D.Dynamics.Joints.b2MouseJointDef=AH;Box2D.Dynamics.Joints.b2PrismaticJoint=AA;Box2D.Dynamics.Joints.b2PrismaticJointDef=Bi;Box2D.Dynamics.Joints.b2PulleyJoint=BX;Box2D.Dynamics.Joints.b2PulleyJointDef=Bl;Box2D.Dynamics.Joints.b2RevoluteJoint=Bc;Box2D.Dynamics.Joints.b2RevoluteJointDef=BJ;Box2D.Dynamics.Joints.b2WeldJoint=Am;Box2D.Dynamics.Joints.b2WeldJointDef=AM})();Box2D.postDefs=[];(function(){var AD=Box2D.Collision.Shapes.b2CircleShape,AC=Box2D.Collision.Shapes.b2PolygonShape,x=Box2D.Collision.Shapes.b2Shape,AK=Box2D.Common.b2Settings,AL=Box2D.Common.Math.b2Math,AH=Box2D.Common.Math.b2Sweep,X=Box2D.Common.Math.b2Transform,AO=Box2D.Common.Math.b2Vec2,AG=Box2D.Collision.b2AABB,f=Box2D.Collision.b2Bound,T=Box2D.Collision.b2BoundValues,s=Box2D.Collision.b2Collision,t=Box2D.Collision.b2ContactID,AA=Box2D.Collision.b2ContactPoint,P=Box2D.Collision.b2Distance,J=Box2D.Collision.b2DistanceInput,AS=Box2D.Collision.b2DistanceOutput,AJ=Box2D.Collision.b2DistanceProxy,AM=Box2D.Collision.b2DynamicTree,AF=Box2D.Collision.b2DynamicTreeBroadPhase,AB=Box2D.Collision.b2DynamicTreeNode,m=Box2D.Collision.b2DynamicTreePair,AE=Box2D.Collision.b2Manifold,e=Box2D.Collision.b2ManifoldPoint,r=Box2D.Collision.b2Point,b=Box2D.Collision.b2RayCastInput,AI=Box2D.Collision.b2RayCastOutput,C=Box2D.Collision.b2Segment,AW=Box2D.Collision.b2SeparationFunction,AU=Box2D.Collision.b2Simplex,AR=Box2D.Collision.b2SimplexCache,AT=Box2D.Collision.b2SimplexVertex,AP=Box2D.Collision.b2TimeOfImpact,AN=Box2D.Collision.b2TOIInput,AQ=Box2D.Collision.b2WorldManifold,AY=Box2D.Collision.ClipVertex,AX=Box2D.Collision.Features,AV=Box2D.Collision.IBroadPhase;AG.b2AABB=function(){this.lowerBound=new AO;this.upperBound=new AO};AG.prototype.IsValid=function(){var A=this.upperBound.y-this.lowerBound.y;return A=(A=this.upperBound.x-this.lowerBound.x>=0&&A>=0)&&this.lowerBound.IsValid()&&this.upperBound.IsValid()};AG.prototype.GetCenter=function(){return new AO((this.lowerBound.x+this.upperBound.x)/2,(this.lowerBound.y+this.upperBound.y)/2)};AG.prototype.GetExtents=function(){return new AO((this.upperBound.x-this.lowerBound.x)/2,(this.upperBound.y-this.lowerBound.y)/2)};AG.prototype.Contains=function(A){var B=true;return B=(B=(B=(B=B&&this.lowerBound.x<=A.lowerBound.x)&&this.lowerBound.y<=A.lowerBound.y)&&A.upperBound.x<=this.upperBound.x)&&A.upperBound.y<=this.upperBound.y};AG.prototype.RayCast=function(I,H){var G=-Number.MAX_VALUE,D=Number.MAX_VALUE,A=H.p1.x,O=H.p1.y,M=H.p2.x-H.p1.x,N=H.p2.y-H.p1.y,L=Math.abs(N),B=I.normal,K=0,E=0,F=K=0;F=0;if(Math.abs(M)<Number.MIN_VALUE){if(A<this.lowerBound.x||this.upperBound.x<A){return false}}else{K=1/M;E=(this.lowerBound.x-A)*K;K=(this.upperBound.x-A)*K;F=-1;if(E>K){F=E;E=K;K=F;F=1}if(E>G){B.x=F;B.y=0;G=E}D=Math.min(D,K);if(G>D){return false}}if(L<Number.MIN_VALUE){if(O<this.lowerBound.y||this.upperBound.y<O){return false}}else{K=1/N;E=(this.lowerBound.y-O)*K;K=(this.upperBound.y-O)*K;F=-1;if(E>K){F=E;E=K;K=F;F=1}if(E>G){B.y=F;B.x=0;G=E}D=Math.min(D,K);if(G>D){return false}}I.fraction=G;return true};AG.prototype.TestOverlap=function(A){var D=A.lowerBound.y-this.upperBound.y,B=this.lowerBound.y-A.upperBound.y;if(A.lowerBound.x-this.upperBound.x>0||D>0){return false}if(this.lowerBound.x-A.upperBound.x>0||B>0){return false}return true};AG.Combine=function(A,D){var B=new AG;B.Combine(A,D);return B};AG.prototype.Combine=function(A,B){this.lowerBound.x=Math.min(A.lowerBound.x,B.lowerBound.x);this.lowerBound.y=Math.min(A.lowerBound.y,B.lowerBound.y);this.upperBound.x=Math.max(A.upperBound.x,B.upperBound.x);this.upperBound.y=Math.max(A.upperBound.y,B.upperBound.y)};f.b2Bound=function(){};f.prototype.IsLower=function(){return(this.value&1)==0};f.prototype.IsUpper=function(){return(this.value&1)==1};f.prototype.Swap=function(B){var E=this.value,D=this.proxy,A=this.stabbingCount;this.value=B.value;this.proxy=B.proxy;this.stabbingCount=B.stabbingCount;B.value=E;B.proxy=D;B.stabbingCount=A};T.b2BoundValues=function(){};T.prototype.b2BoundValues=function(){this.lowerValues=new Vector_a2j_Number;this.lowerValues[0]=0;this.lowerValues[1]=0;this.upperValues=new Vector_a2j_Number;this.upperValues[0]=0;this.upperValues[1]=0};s.b2Collision=function(){};s.ClipSegmentToLine=function(F,E,D,B){if(B===undefined){B=0}var A,K=0;A=E[0];var H=A.v;A=E[1];var I=A.v,G=D.x*H.x+D.y*H.y-B;A=D.x*I.x+D.y*I.y-B;G<=0&&F[K++].Set(E[0]);A<=0&&F[K++].Set(E[1]);if(G*A<0){D=G/(G-A);A=F[K];A=A.v;A.x=H.x+D*(I.x-H.x);A.y=H.y+D*(I.y-H.y);A=F[K];A.id=(G>0?E[0]:E[1]).id;++K}return K};s.EdgeSeparation=function(K,I,H,E,A){if(H===undefined){H=0}parseInt(K.m_vertexCount);var Q=K.m_vertices;K=K.m_normals;var N=parseInt(E.m_vertexCount),O=E.m_vertices,M,B;M=I.R;B=K[H];K=M.col1.x*B.x+M.col2.x*B.y;E=M.col1.y*B.x+M.col2.y*B.y;M=A.R;var L=M.col1.x*K+M.col1.y*E;M=M.col2.x*K+M.col2.y*E;for(var F=0,G=Number.MAX_VALUE,D=0;D<N;++D){B=O[D];B=B.x*L+B.y*M;if(B<G){G=B;F=D}}B=Q[H];M=I.R;H=I.position.x+(M.col1.x*B.x+M.col2.x*B.y);I=I.position.y+(M.col1.y*B.x+M.col2.y*B.y);B=O[F];M=A.R;Q=A.position.x+(M.col1.x*B.x+M.col2.x*B.y);A=A.position.y+(M.col1.y*B.x+M.col2.y*B.y);Q-=H;A-=I;return Q*K+A*E};s.FindMaxSeparation=function(L,K,I,E,A){var R=parseInt(K.m_vertexCount),O=K.m_normals,Q,N;N=A.R;Q=E.m_centroid;var B=A.position.x+(N.col1.x*Q.x+N.col2.x*Q.y),M=A.position.y+(N.col1.y*Q.x+N.col2.y*Q.y);N=I.R;Q=K.m_centroid;B-=I.position.x+(N.col1.x*Q.x+N.col2.x*Q.y);M-=I.position.y+(N.col1.y*Q.x+N.col2.y*Q.y);N=B*I.R.col1.x+M*I.R.col1.y;M=B*I.R.col2.x+M*I.R.col2.y;B=0;for(var F=-Number.MAX_VALUE,H=0;H<R;++H){Q=O[H];Q=Q.x*N+Q.y*M;if(Q>F){F=Q;B=H}}O=s.EdgeSeparation(K,I,B,E,A);Q=parseInt(B-1>=0?B-1:R-1);N=s.EdgeSeparation(K,I,Q,E,A);M=parseInt(B+1<R?B+1:0);F=s.EdgeSeparation(K,I,M,E,A);var D=H=0,G=0;if(N>O&&N>F){G=-1;H=Q;D=N}else{if(F>O){G=1;H=M;D=F}else{L[0]=B;return O}}for(;;){B=G==-1?H-1>=0?H-1:R-1:H+1<R?H+1:0;O=s.EdgeSeparation(K,I,B,E,A);if(O>D){H=B;D=O}else{break}}L[0]=H;return D};s.FindIncidentEdge=function(H,G,F,D,A,N){if(D===undefined){D=0}parseInt(G.m_vertexCount);var L=G.m_normals,M=parseInt(A.m_vertexCount);G=A.m_vertices;A=A.m_normals;var K;K=F.R;F=L[D];L=K.col1.x*F.x+K.col2.x*F.y;var B=K.col1.y*F.x+K.col2.y*F.y;K=N.R;F=K.col1.x*L+K.col1.y*B;B=K.col2.x*L+K.col2.y*B;L=F;K=0;for(var I=Number.MAX_VALUE,E=0;E<M;++E){F=A[E];F=L*F.x+B*F.y;if(F<I){I=F;K=E}}A=parseInt(K);L=parseInt(A+1<M?A+1:0);M=H[0];F=G[A];K=N.R;M.v.x=N.position.x+(K.col1.x*F.x+K.col2.x*F.y);M.v.y=N.position.y+(K.col1.y*F.x+K.col2.y*F.y);M.id.features.referenceEdge=D;M.id.features.incidentEdge=A;M.id.features.incidentVertex=0;M=H[1];F=G[L];K=N.R;M.v.x=N.position.x+(K.col1.x*F.x+K.col2.x*F.y);M.v.y=N.position.y+(K.col1.y*F.x+K.col2.y*F.y);M.id.features.referenceEdge=D;M.id.features.incidentEdge=L;M.id.features.incidentVertex=1};s.MakeClipPointVector=function(){var A=new Vector(2);A[0]=new AY;A[1]=new AY;return A};s.CollidePolygons=function(M,K,I,E,A){var S;M.m_pointCount=0;var Q=K.m_radius+E.m_radius;S=0;s.s_edgeAO[0]=S;var R=s.FindMaxSeparation(s.s_edgeAO,K,I,E,A);S=s.s_edgeAO[0];if(!(R>Q)){var O=0;s.s_edgeBO[0]=O;var B=s.FindMaxSeparation(s.s_edgeBO,E,A,K,I);O=s.s_edgeBO[0];if(!(B>Q)){var N=0,F=0;if(B>0.98*R+0.001){R=E;E=K;K=A;I=I;N=O;M.m_type=AE.e_faceB;F=1}else{R=K;E=E;K=I;I=A;N=S;M.m_type=AE.e_faceA;F=0}S=s.s_incidentEdge;s.FindIncidentEdge(S,R,K,N,E,I);O=parseInt(R.m_vertexCount);A=R.m_vertices;R=A[N];var H;H=N+1<O?A[parseInt(N+1)]:A[0];N=s.s_localTangent;N.Set(H.x-R.x,H.y-R.y);N.Normalize();A=s.s_localNormal;A.x=N.y;A.y=-N.x;E=s.s_planePoint;E.Set(0.5*(R.x+H.x),0.5*(R.y+H.y));B=s.s_tangent;O=K.R;B.x=O.col1.x*N.x+O.col2.x*N.y;B.y=O.col1.y*N.x+O.col2.y*N.y;var D=s.s_tangent2;D.x=-B.x;D.y=-B.y;N=s.s_normal;N.x=B.y;N.y=-B.x;var G=s.s_v11,L=s.s_v12;G.x=K.position.x+(O.col1.x*R.x+O.col2.x*R.y);G.y=K.position.y+(O.col1.y*R.x+O.col2.y*R.y);L.x=K.position.x+(O.col1.x*H.x+O.col2.x*H.y);L.y=K.position.y+(O.col1.y*H.x+O.col2.y*H.y);K=N.x*G.x+N.y*G.y;O=B.x*L.x+B.y*L.y+Q;H=s.s_clipPoints1;R=s.s_clipPoints2;L=0;L=s.ClipSegmentToLine(H,S,D,-B.x*G.x-B.y*G.y+Q);if(!(L<2)){L=s.ClipSegmentToLine(R,H,B,O);if(!(L<2)){M.m_localPlaneNormal.SetV(A);M.m_localPoint.SetV(E);for(E=A=0;E<AK.b2_maxManifoldPoints;++E){S=R[E];if(N.x*S.v.x+N.y*S.v.y-K<=Q){B=M.m_points[A];O=I.R;D=S.v.x-I.position.x;G=S.v.y-I.position.y;B.m_localPoint.x=D*O.col1.x+G*O.col1.y;B.m_localPoint.y=D*O.col2.x+G*O.col2.y;B.m_id.Set(S.id);B.m_id.features.flip=F;++A}}M.m_pointCount=A}}}}};s.CollideCircles=function(B,I,H,A,G){B.m_pointCount=0;var F,D;F=H.R;D=I.m_p;var E=H.position.x+(F.col1.x*D.x+F.col2.x*D.y);H=H.position.y+(F.col1.y*D.x+F.col2.y*D.y);F=G.R;D=A.m_p;E=G.position.x+(F.col1.x*D.x+F.col2.x*D.y)-E;G=G.position.y+(F.col1.y*D.x+F.col2.y*D.y)-H;F=I.m_radius+A.m_radius;if(!(E*E+G*G>F*F)){B.m_type=AE.e_circles;B.m_localPoint.SetV(I.m_p);B.m_localPlaneNormal.SetZero();B.m_pointCount=1;B.m_points[0].m_localPoint.SetV(A.m_p);B.m_points[0].m_id.key=0}};s.CollidePolygonAndCircle=function(K,I,H,E,A){var Q=K.m_pointCount=0,N=0,O,M;M=A.R;O=E.m_p;var B=A.position.y+(M.col1.y*O.x+M.col2.y*O.y);Q=A.position.x+(M.col1.x*O.x+M.col2.x*O.y)-H.position.x;N=B-H.position.y;M=H.R;H=Q*M.col1.x+N*M.col1.y;M=Q*M.col2.x+N*M.col2.y;var L=0;B=-Number.MAX_VALUE;A=I.m_radius+E.m_radius;var F=parseInt(I.m_vertexCount),G=I.m_vertices;I=I.m_normals;for(var D=0;D<F;++D){O=G[D];Q=H-O.x;N=M-O.y;O=I[D];Q=O.x*Q+O.y*N;if(Q>A){return}if(Q>B){B=Q;L=D}}Q=parseInt(L);N=parseInt(Q+1<F?Q+1:0);O=G[Q];G=G[N];if(B<Number.MIN_VALUE){K.m_pointCount=1;K.m_type=AE.e_faceA;K.m_localPlaneNormal.SetV(I[L]);K.m_localPoint.x=0.5*(O.x+G.x);K.m_localPoint.y=0.5*(O.y+G.y)}else{B=(H-G.x)*(O.x-G.x)+(M-G.y)*(O.y-G.y);if((H-O.x)*(G.x-O.x)+(M-O.y)*(G.y-O.y)<=0){if((H-O.x)*(H-O.x)+(M-O.y)*(M-O.y)>A*A){return}K.m_pointCount=1;K.m_type=AE.e_faceA;K.m_localPlaneNormal.x=H-O.x;K.m_localPlaneNormal.y=M-O.y;K.m_localPlaneNormal.Normalize();K.m_localPoint.SetV(O)}else{if(B<=0){if((H-G.x)*(H-G.x)+(M-G.y)*(M-G.y)>A*A){return}K.m_pointCount=1;K.m_type=AE.e_faceA;K.m_localPlaneNormal.x=H-G.x;K.m_localPlaneNormal.y=M-G.y;K.m_localPlaneNormal.Normalize();K.m_localPoint.SetV(G)}else{L=0.5*(O.x+G.x);O=0.5*(O.y+G.y);B=(H-L)*I[Q].x+(M-O)*I[Q].y;if(B>A){return}K.m_pointCount=1;K.m_type=AE.e_faceA;K.m_localPlaneNormal.x=I[Q].x;K.m_localPlaneNormal.y=I[Q].y;K.m_localPlaneNormal.Normalize();K.m_localPoint.Set(L,O)}}}K.m_points[0].m_localPoint.SetV(E.m_p);K.m_points[0].m_id.key=0};s.TestOverlap=function(B,H){var G=H.lowerBound,A=B.upperBound,F=G.x-A.x,E=G.y-A.y;G=B.lowerBound;A=H.upperBound;var D=G.y-A.y;if(F>0||E>0){return false}if(G.x-A.x>0||D>0){return false}return true};Box2D.postDefs.push(function(){Box2D.Collision.b2Collision.s_incidentEdge=s.MakeClipPointVector();Box2D.Collision.b2Collision.s_clipPoints1=s.MakeClipPointVector();Box2D.Collision.b2Collision.s_clipPoints2=s.MakeClipPointVector();Box2D.Collision.b2Collision.s_edgeAO=new Vector_a2j_Number(1);Box2D.Collision.b2Collision.s_edgeBO=new Vector_a2j_Number(1);Box2D.Collision.b2Collision.s_localTangent=new AO;Box2D.Collision.b2Collision.s_localNormal=new AO;Box2D.Collision.b2Collision.s_planePoint=new AO;Box2D.Collision.b2Collision.s_normal=new AO;Box2D.Collision.b2Collision.s_tangent=new AO;Box2D.Collision.b2Collision.s_tangent2=new AO;Box2D.Collision.b2Collision.s_v11=new AO;Box2D.Collision.b2Collision.s_v12=new AO;Box2D.Collision.b2Collision.b2CollidePolyTempVec=new AO;Box2D.Collision.b2Collision.b2_nullFeature=255});t.b2ContactID=function(){this.features=new AX};t.prototype.b2ContactID=function(){this.features._m_id=this};t.prototype.Set=function(A){this.key=A._key};t.prototype.Copy=function(){var A=new t;A.key=this.key;return A};Object.defineProperty(t.prototype,"key",{enumerable:false,configurable:true,get:function(){return this._key}});Object.defineProperty(t.prototype,"key",{enumerable:false,configurable:true,set:function(A){if(A===undefined){A=0}this._key=A;this.features._referenceEdge=this._key&255;this.features._incidentEdge=(this._key&65280)>>8&255;this.features._incidentVertex=(this._key&16711680)>>16&255;this.features._flip=(this._key&4278190080)>>24&255}});AA.b2ContactPoint=function(){this.position=new AO;this.velocity=new AO;this.normal=new AO;this.id=new t};P.b2Distance=function(){};P.Distance=function(M,K,I){++P.b2_gjkCalls;var E=I.proxyA,A=I.proxyB,S=I.transformA,Q=I.transformB,R=P.s_simplex;R.ReadCache(K,E,S,A,Q);var O=R.m_vertices,B=P.s_saveA,N=P.s_saveB,F=0;R.GetClosestPoint().LengthSquared();for(var H=0,D,G=0;G<20;){F=R.m_count;for(H=0;H<F;H++){B[H]=O[H].indexA;N[H]=O[H].indexB}switch(R.m_count){case 1:break;case 2:R.Solve2();break;case 3:R.Solve3();break;default:AK.b2Assert(false)}if(R.m_count==3){break}D=R.GetClosestPoint();D.LengthSquared();H=R.GetSearchDirection();if(H.LengthSquared()<Number.MIN_VALUE*Number.MIN_VALUE){break}D=O[R.m_count];D.indexA=E.GetSupport(AL.MulTMV(S.R,H.GetNegative()));D.wA=AL.MulX(S,E.GetVertex(D.indexA));D.indexB=A.GetSupport(AL.MulTMV(Q.R,H));D.wB=AL.MulX(Q,A.GetVertex(D.indexB));D.w=AL.SubtractVV(D.wB,D.wA);++G;++P.b2_gjkIters;var L=false;for(H=0;H<F;H++){if(D.indexA==B[H]&&D.indexB==N[H]){L=true;break}}if(L){break}++R.m_count}P.b2_gjkMaxIters=AL.Max(P.b2_gjkMaxIters,G);R.GetWitnessPoints(M.pointA,M.pointB);M.distance=AL.SubtractVV(M.pointA,M.pointB).Length();M.iterations=G;R.WriteCache(K);if(I.useRadii){K=E.m_radius;A=A.m_radius;if(M.distance>K+A&&M.distance>Number.MIN_VALUE){M.distance-=K+A;I=AL.SubtractVV(M.pointB,M.pointA);I.Normalize();M.pointA.x+=K*I.x;M.pointA.y+=K*I.y;M.pointB.x-=A*I.x;M.pointB.y-=A*I.y}else{D=new AO;D.x=0.5*(M.pointA.x+M.pointB.x);D.y=0.5*(M.pointA.y+M.pointB.y);M.pointA.x=M.pointB.x=D.x;M.pointA.y=M.pointB.y=D.y;M.distance=0}}};Box2D.postDefs.push(function(){Box2D.Collision.b2Distance.s_simplex=new AU;Box2D.Collision.b2Distance.s_saveA=new Vector_a2j_Number(3);Box2D.Collision.b2Distance.s_saveB=new Vector_a2j_Number(3)});J.b2DistanceInput=function(){};AS.b2DistanceOutput=function(){this.pointA=new AO;this.pointB=new AO};AJ.b2DistanceProxy=function(){};AJ.prototype.Set=function(A){switch(A.GetType()){case x.e_circleShape:A=A instanceof AD?A:null;this.m_vertices=new Vector(1,true);this.m_vertices[0]=A.m_p;this.m_count=1;this.m_radius=A.m_radius;break;case x.e_polygonShape:A=A instanceof AC?A:null;this.m_vertices=A.m_vertices;this.m_count=A.m_vertexCount;this.m_radius=A.m_radius;break;default:AK.b2Assert(false)}};AJ.prototype.GetSupport=function(B){for(var F=0,E=this.m_vertices[0].x*B.x+this.m_vertices[0].y*B.y,A=1;A<this.m_count;++A){var D=this.m_vertices[A].x*B.x+this.m_vertices[A].y*B.y;if(D>E){F=A;E=D}}return F};AJ.prototype.GetSupportVertex=function(B){for(var F=0,E=this.m_vertices[0].x*B.x+this.m_vertices[0].y*B.y,A=1;A<this.m_count;++A){var D=this.m_vertices[A].x*B.x+this.m_vertices[A].y*B.y;if(D>E){F=A;E=D}}return this.m_vertices[F]};AJ.prototype.GetVertexCount=function(){return this.m_count};AJ.prototype.GetVertex=function(A){if(A===undefined){A=0}AK.b2Assert(0<=A&&A<this.m_count);return this.m_vertices[A]};AM.b2DynamicTree=function(){};AM.prototype.b2DynamicTree=function(){this.m_freeList=this.m_root=null;this.m_insertionCount=this.m_path=0};AM.prototype.CreateProxy=function(B,F){var E=this.AllocateNode(),A=AK.b2_aabbExtension,D=AK.b2_aabbExtension;E.aabb.lowerBound.x=B.lowerBound.x-A;E.aabb.lowerBound.y=B.lowerBound.y-D;E.aabb.upperBound.x=B.upperBound.x+A;E.aabb.upperBound.y=B.upperBound.y+D;E.userData=F;this.InsertLeaf(E);return E};AM.prototype.DestroyProxy=function(A){this.RemoveLeaf(A);this.FreeNode(A)};AM.prototype.MoveProxy=function(B,E,D){AK.b2Assert(B.IsLeaf());if(B.aabb.Contains(E)){return false}this.RemoveLeaf(B);var A=AK.b2_aabbExtension+AK.b2_aabbMultiplier*(D.x>0?D.x:-D.x);D=AK.b2_aabbExtension+AK.b2_aabbMultiplier*(D.y>0?D.y:-D.y);B.aabb.lowerBound.x=E.lowerBound.x-A;B.aabb.lowerBound.y=E.lowerBound.y-D;B.aabb.upperBound.x=E.upperBound.x+A;B.aabb.upperBound.y=E.upperBound.y+D;this.InsertLeaf(B);return true};AM.prototype.Rebalance=function(B){if(B===undefined){B=0}if(this.m_root!=null){for(var E=0;E<B;E++){for(var D=this.m_root,A=0;D.IsLeaf()==false;){D=this.m_path>>A&1?D.child2:D.child1;A=A+1&31}++this.m_path;this.RemoveLeaf(D);this.InsertLeaf(D)}}};AM.prototype.GetFatAABB=function(A){return A.aabb};AM.prototype.GetUserData=function(A){return A.userData};AM.prototype.Query=function(B,F){if(this.m_root!=null){var E=new Vector,A=0;for(E[A++]=this.m_root;A>0;){var D=E[--A];if(D.aabb.TestOverlap(F)){if(D.IsLeaf()){if(!B(D)){break}}else{E[A++]=D.child1;E[A++]=D.child2}}}}};AM.prototype.RayCast=function(H,G){if(this.m_root!=null){var F=G.p1,D=G.p2,A=AL.SubtractVV(F,D);A.Normalize();A=AL.CrossFV(1,A);var N=AL.AbsV(A),L=G.maxFraction,M=new AG,K=0,B=0;K=F.x+L*(D.x-F.x);B=F.y+L*(D.y-F.y);M.lowerBound.x=Math.min(F.x,K);M.lowerBound.y=Math.min(F.y,B);M.upperBound.x=Math.max(F.x,K);M.upperBound.y=Math.max(F.y,B);var I=new Vector,E=0;for(I[E++]=this.m_root;E>0;){L=I[--E];if(L.aabb.TestOverlap(M)!=false){K=L.aabb.GetCenter();B=L.aabb.GetExtents();if(!(Math.abs(A.x*(F.x-K.x)+A.y*(F.y-K.y))-N.x*B.x-N.y*B.y>0)){if(L.IsLeaf()){K=new b;K.p1=G.p1;K.p2=G.p2;K.maxFraction=G.maxFraction;L=H(K,L);if(L==0){break}if(L>0){K=F.x+L*(D.x-F.x);B=F.y+L*(D.y-F.y);M.lowerBound.x=Math.min(F.x,K);M.lowerBound.y=Math.min(F.y,B);M.upperBound.x=Math.max(F.x,K);M.upperBound.y=Math.max(F.y,B)}}else{I[E++]=L.child1;I[E++]=L.child2}}}}}};AM.prototype.AllocateNode=function(){if(this.m_freeList){var A=this.m_freeList;this.m_freeList=A.parent;A.parent=null;A.child1=null;A.child2=null;return A}return new AB};AM.prototype.FreeNode=function(A){A.parent=this.m_freeList;this.m_freeList=A};AM.prototype.InsertLeaf=function(B){++this.m_insertionCount;if(this.m_root==null){this.m_root=B;this.m_root.parent=null}else{var E=B.aabb.GetCenter(),D=this.m_root;if(D.IsLeaf()==false){do{var A=D.child1;D=D.child2;D=Math.abs((A.aabb.lowerBound.x+A.aabb.upperBound.x)/2-E.x)+Math.abs((A.aabb.lowerBound.y+A.aabb.upperBound.y)/2-E.y)<Math.abs((D.aabb.lowerBound.x+D.aabb.upperBound.x)/2-E.x)+Math.abs((D.aabb.lowerBound.y+D.aabb.upperBound.y)/2-E.y)?A:D}while(D.IsLeaf()==false)}E=D.parent;A=this.AllocateNode();A.parent=E;A.userData=null;A.aabb.Combine(B.aabb,D.aabb);if(E){if(D.parent.child1==D){E.child1=A}else{E.child2=A}A.child1=D;A.child2=B;D.parent=A;B.parent=A;do{if(E.aabb.Contains(A.aabb)){break}E.aabb.Combine(E.child1.aabb,E.child2.aabb);A=E;E=E.parent}while(E)}else{A.child1=D;A.child2=B;D.parent=A;this.m_root=B.parent=A}}};AM.prototype.RemoveLeaf=function(A){if(A==this.m_root){this.m_root=null}else{var D=A.parent,B=D.parent;A=D.child1==A?D.child2:D.child1;if(B){if(B.child1==D){B.child1=A}else{B.child2=A}A.parent=B;for(this.FreeNode(D);B;){D=B.aabb;B.aabb=AG.Combine(B.child1.aabb,B.child2.aabb);if(D.Contains(B.aabb)){break}B=B.parent}}else{this.m_root=A;A.parent=null;this.FreeNode(D)}}};AF.b2DynamicTreeBroadPhase=function(){this.m_tree=new AM;this.m_moveBuffer=new Vector;this.m_pairBuffer=new Vector;this.m_pairCount=0};AF.prototype.CreateProxy=function(A,D){var B=this.m_tree.CreateProxy(A,D);++this.m_proxyCount;this.BufferMove(B);return B};AF.prototype.DestroyProxy=function(A){this.UnBufferMove(A);--this.m_proxyCount;this.m_tree.DestroyProxy(A)};AF.prototype.MoveProxy=function(A,D,B){this.m_tree.MoveProxy(A,D,B)&&this.BufferMove(A)};AF.prototype.TestOverlap=function(B,E){var D=this.m_tree.GetFatAABB(B),A=this.m_tree.GetFatAABB(E);return D.TestOverlap(A)};AF.prototype.GetUserData=function(A){return this.m_tree.GetUserData(A)};AF.prototype.GetFatAABB=function(A){return this.m_tree.GetFatAABB(A)};AF.prototype.GetProxyCount=function(){return this.m_proxyCount};AF.prototype.UpdatePairs=function(B){var H=this;var G=H.m_pairCount=0,A;for(G=0;G<H.m_moveBuffer.length;++G){A=H.m_moveBuffer[G];var F=H.m_tree.GetFatAABB(A);H.m_tree.Query(function(K){if(K==A){return true}if(H.m_pairCount==H.m_pairBuffer.length){H.m_pairBuffer[H.m_pairCount]=new m}var I=H.m_pairBuffer[H.m_pairCount];I.proxyA=K<A?K:A;I.proxyB=K>=A?K:A;++H.m_pairCount;return true},F)}for(G=H.m_moveBuffer.length=0;G<H.m_pairCount;){F=H.m_pairBuffer[G];var E=H.m_tree.GetUserData(F.proxyA),D=H.m_tree.GetUserData(F.proxyB);B(E,D);for(++G;G<H.m_pairCount;){E=H.m_pairBuffer[G];if(E.proxyA!=F.proxyA||E.proxyB!=F.proxyB){break}++G}}};AF.prototype.Query=function(A,B){this.m_tree.Query(A,B)};AF.prototype.RayCast=function(A,B){this.m_tree.RayCast(A,B)};AF.prototype.Validate=function(){};AF.prototype.Rebalance=function(A){if(A===undefined){A=0}this.m_tree.Rebalance(A)};AF.prototype.BufferMove=function(A){this.m_moveBuffer[this.m_moveBuffer.length]=A};AF.prototype.UnBufferMove=function(A){this.m_moveBuffer.splice(parseInt(this.m_moveBuffer.indexOf(A)),1)};AF.prototype.ComparePairs=function(){return 0};AF.__implements={};AF.__implements[AV]=true;AB.b2DynamicTreeNode=function(){this.aabb=new AG};AB.prototype.IsLeaf=function(){return this.child1==null};m.b2DynamicTreePair=function(){};AE.b2Manifold=function(){this.m_pointCount=0};AE.prototype.b2Manifold=function(){this.m_points=new Vector(AK.b2_maxManifoldPoints);for(var A=0;A<AK.b2_maxManifoldPoints;A++){this.m_points[A]=new e}this.m_localPlaneNormal=new AO;this.m_localPoint=new AO};AE.prototype.Reset=function(){for(var A=0;A<AK.b2_maxManifoldPoints;A++){(this.m_points[A] instanceof e?this.m_points[A]:null).Reset()}this.m_localPlaneNormal.SetZero();this.m_localPoint.SetZero();this.m_pointCount=this.m_type=0};AE.prototype.Set=function(A){this.m_pointCount=A.m_pointCount;for(var B=0;B<AK.b2_maxManifoldPoints;B++){(this.m_points[B] instanceof e?this.m_points[B]:null).Set(A.m_points[B])}this.m_localPlaneNormal.SetV(A.m_localPlaneNormal);this.m_localPoint.SetV(A.m_localPoint);this.m_type=A.m_type};AE.prototype.Copy=function(){var A=new AE;A.Set(this);return A};Box2D.postDefs.push(function(){Box2D.Collision.b2Manifold.e_circles=1;Box2D.Collision.b2Manifold.e_faceA=2;Box2D.Collision.b2Manifold.e_faceB=4});e.b2ManifoldPoint=function(){this.m_localPoint=new AO;this.m_id=new t};e.prototype.b2ManifoldPoint=function(){this.Reset()};e.prototype.Reset=function(){this.m_localPoint.SetZero();this.m_tangentImpulse=this.m_normalImpulse=0;this.m_id.key=0};e.prototype.Set=function(A){this.m_localPoint.SetV(A.m_localPoint);this.m_normalImpulse=A.m_normalImpulse;this.m_tangentImpulse=A.m_tangentImpulse;this.m_id.Set(A.m_id)};r.b2Point=function(){this.p=new AO};r.prototype.Support=function(){return this.p};r.prototype.GetFirstVertex=function(){return this.p};b.b2RayCastInput=function(){this.p1=new AO;this.p2=new AO};b.prototype.b2RayCastInput=function(A,D,B){if(A===undefined){A=null}if(D===undefined){D=null}if(B===undefined){B=1}A&&this.p1.SetV(A);D&&this.p2.SetV(D);this.maxFraction=B};AI.b2RayCastOutput=function(){this.normal=new AO};C.b2Segment=function(){this.p1=new AO;this.p2=new AO};C.prototype.TestSegment=function(H,G,F,D){if(D===undefined){D=0}var A=F.p1,N=F.p2.x-A.x,L=F.p2.y-A.y;F=this.p2.y-this.p1.y;var M=-(this.p2.x-this.p1.x),K=100*Number.MIN_VALUE,B=-(N*F+L*M);if(B>K){var I=A.x-this.p1.x,E=A.y-this.p1.y;A=I*F+E*M;if(0<=A&&A<=D*B){D=-N*E+L*I;if(-K*B<=D&&D<=B*(1+K)){A/=B;D=Math.sqrt(F*F+M*M);F/=D;M/=D;H[0]=A;G.Set(F,M);return true}}}return false};C.prototype.Extend=function(A){this.ExtendForward(A);this.ExtendBackward(A)};C.prototype.ExtendForward=function(A){var D=this.p2.x-this.p1.x,B=this.p2.y-this.p1.y;A=Math.min(D>0?(A.upperBound.x-this.p1.x)/D:D<0?(A.lowerBound.x-this.p1.x)/D:Number.POSITIVE_INFINITY,B>0?(A.upperBound.y-this.p1.y)/B:B<0?(A.lowerBound.y-this.p1.y)/B:Number.POSITIVE_INFINITY);this.p2.x=this.p1.x+D*A;this.p2.y=this.p1.y+B*A};C.prototype.ExtendBackward=function(A){var D=-this.p2.x+this.p1.x,B=-this.p2.y+this.p1.y;A=Math.min(D>0?(A.upperBound.x-this.p2.x)/D:D<0?(A.lowerBound.x-this.p2.x)/D:Number.POSITIVE_INFINITY,B>0?(A.upperBound.y-this.p2.y)/B:B<0?(A.lowerBound.y-this.p2.y)/B:Number.POSITIVE_INFINITY);this.p1.x=this.p2.x+D*A;this.p1.y=this.p2.y+B*A};AW.b2SeparationFunction=function(){this.m_localPoint=new AO;this.m_axis=new AO};AW.prototype.Initialize=function(H,G,F,D,A){this.m_proxyA=G;this.m_proxyB=D;var N=parseInt(H.count);AK.b2Assert(0<N&&N<3);var L,M,K,B,I=B=K=D=G=0,E=0;I=0;if(N==1){this.m_type=AW.e_points;L=this.m_proxyA.GetVertex(H.indexA[0]);M=this.m_proxyB.GetVertex(H.indexB[0]);N=L;H=F.R;G=F.position.x+(H.col1.x*N.x+H.col2.x*N.y);D=F.position.y+(H.col1.y*N.x+H.col2.y*N.y);N=M;H=A.R;K=A.position.x+(H.col1.x*N.x+H.col2.x*N.y);B=A.position.y+(H.col1.y*N.x+H.col2.y*N.y);this.m_axis.x=K-G;this.m_axis.y=B-D;this.m_axis.Normalize()}else{if(H.indexB[0]==H.indexB[1]){this.m_type=AW.e_faceA;G=this.m_proxyA.GetVertex(H.indexA[0]);D=this.m_proxyA.GetVertex(H.indexA[1]);M=this.m_proxyB.GetVertex(H.indexB[0]);this.m_localPoint.x=0.5*(G.x+D.x);this.m_localPoint.y=0.5*(G.y+D.y);this.m_axis=AL.CrossVF(AL.SubtractVV(D,G),1);this.m_axis.Normalize();N=this.m_axis;H=F.R;I=H.col1.x*N.x+H.col2.x*N.y;E=H.col1.y*N.x+H.col2.y*N.y;N=this.m_localPoint;H=F.R;G=F.position.x+(H.col1.x*N.x+H.col2.x*N.y);D=F.position.y+(H.col1.y*N.x+H.col2.y*N.y);N=M;H=A.R;K=A.position.x+(H.col1.x*N.x+H.col2.x*N.y);B=A.position.y+(H.col1.y*N.x+H.col2.y*N.y);I=(K-G)*I+(B-D)*E}else{if(H.indexA[0]==H.indexA[0]){this.m_type=AW.e_faceB;K=this.m_proxyB.GetVertex(H.indexB[0]);B=this.m_proxyB.GetVertex(H.indexB[1]);L=this.m_proxyA.GetVertex(H.indexA[0]);this.m_localPoint.x=0.5*(K.x+B.x);this.m_localPoint.y=0.5*(K.y+B.y);this.m_axis=AL.CrossVF(AL.SubtractVV(B,K),1);this.m_axis.Normalize();N=this.m_axis;H=A.R;I=H.col1.x*N.x+H.col2.x*N.y;E=H.col1.y*N.x+H.col2.y*N.y;N=this.m_localPoint;H=A.R;K=A.position.x+(H.col1.x*N.x+H.col2.x*N.y);B=A.position.y+(H.col1.y*N.x+H.col2.y*N.y);N=L;H=F.R;G=F.position.x+(H.col1.x*N.x+H.col2.x*N.y);D=F.position.y+(H.col1.y*N.x+H.col2.y*N.y);I=(G-K)*I+(D-B)*E}else{G=this.m_proxyA.GetVertex(H.indexA[0]);D=this.m_proxyA.GetVertex(H.indexA[1]);K=this.m_proxyB.GetVertex(H.indexB[0]);B=this.m_proxyB.GetVertex(H.indexB[1]);AL.MulX(F,L);L=AL.MulMV(F.R,AL.SubtractVV(D,G));AL.MulX(A,M);I=AL.MulMV(A.R,AL.SubtractVV(B,K));A=L.x*L.x+L.y*L.y;M=I.x*I.x+I.y*I.y;H=AL.SubtractVV(I,L);F=L.x*H.x+L.y*H.y;H=I.x*H.x+I.y*H.y;L=L.x*I.x+L.y*I.y;E=A*M-L*L;I=0;if(E!=0){I=AL.Clamp((L*H-F*M)/E,0,1)}if((L*I+H)/M<0){I=AL.Clamp((L-F)/A,0,1)}L=new AO;L.x=G.x+I*(D.x-G.x);L.y=G.y+I*(D.y-G.y);M=new AO;M.x=K.x+I*(B.x-K.x);M.y=K.y+I*(B.y-K.y);if(I==0||I==1){this.m_type=AW.e_faceB;this.m_axis=AL.CrossVF(AL.SubtractVV(B,K),1);this.m_axis.Normalize();this.m_localPoint=M}else{this.m_type=AW.e_faceA;this.m_axis=AL.CrossVF(AL.SubtractVV(D,G),1);this.m_localPoint=L}}}I<0&&this.m_axis.NegativeSelf()}};AW.prototype.Evaluate=function(B,F){var E,A,D=0;switch(this.m_type){case AW.e_points:E=AL.MulTMV(B.R,this.m_axis);A=AL.MulTMV(F.R,this.m_axis.GetNegative());E=this.m_proxyA.GetSupportVertex(E);A=this.m_proxyB.GetSupportVertex(A);E=AL.MulX(B,E);A=AL.MulX(F,A);return D=(A.x-E.x)*this.m_axis.x+(A.y-E.y)*this.m_axis.y;case AW.e_faceA:D=AL.MulMV(B.R,this.m_axis);E=AL.MulX(B,this.m_localPoint);A=AL.MulTMV(F.R,D.GetNegative());A=this.m_proxyB.GetSupportVertex(A);A=AL.MulX(F,A);return D=(A.x-E.x)*D.x+(A.y-E.y)*D.y;case AW.e_faceB:D=AL.MulMV(F.R,this.m_axis);A=AL.MulX(F,this.m_localPoint);E=AL.MulTMV(B.R,D.GetNegative());E=this.m_proxyA.GetSupportVertex(E);E=AL.MulX(B,E);return D=(E.x-A.x)*D.x+(E.y-A.y)*D.y;default:AK.b2Assert(false);return 0}};Box2D.postDefs.push(function(){Box2D.Collision.b2SeparationFunction.e_points=1;Box2D.Collision.b2SeparationFunction.e_faceA=2;Box2D.Collision.b2SeparationFunction.e_faceB=4});AU.b2Simplex=function(){this.m_v1=new AT;this.m_v2=new AT;this.m_v3=new AT;this.m_vertices=new Vector(3)};AU.prototype.b2Simplex=function(){this.m_vertices[0]=this.m_v1;this.m_vertices[1]=this.m_v2;this.m_vertices[2]=this.m_v3};AU.prototype.ReadCache=function(G,F,E,D,A){AK.b2Assert(0<=G.count&&G.count<=3);var L,I;this.m_count=G.count;for(var K=this.m_vertices,H=0;H<this.m_count;H++){var B=K[H];B.indexA=G.indexA[H];B.indexB=G.indexB[H];L=F.GetVertex(B.indexA);I=D.GetVertex(B.indexB);B.wA=AL.MulX(E,L);B.wB=AL.MulX(A,I);B.w=AL.SubtractVV(B.wB,B.wA);B.a=0}if(this.m_count>1){G=G.metric;L=this.GetMetric();if(L<0.5*G||2*G<L||L<Number.MIN_VALUE){this.m_count=0}}if(this.m_count==0){B=K[0];B.indexA=0;B.indexB=0;L=F.GetVertex(0);I=D.GetVertex(0);B.wA=AL.MulX(E,L);B.wB=AL.MulX(A,I);B.w=AL.SubtractVV(B.wB,B.wA);this.m_count=1}};AU.prototype.WriteCache=function(A){A.metric=this.GetMetric();A.count=Box2D.parseUInt(this.m_count);for(var D=this.m_vertices,B=0;B<this.m_count;B++){A.indexA[B]=Box2D.parseUInt(D[B].indexA);A.indexB[B]=Box2D.parseUInt(D[B].indexB)}};AU.prototype.GetSearchDirection=function(){switch(this.m_count){case 1:return this.m_v1.w.GetNegative();case 2:var A=AL.SubtractVV(this.m_v2.w,this.m_v1.w);return AL.CrossVV(A,this.m_v1.w.GetNegative())>0?AL.CrossFV(1,A):AL.CrossVF(A,1);default:AK.b2Assert(false);return new AO}};AU.prototype.GetClosestPoint=function(){switch(this.m_count){case 0:AK.b2Assert(false);return new AO;case 1:return this.m_v1.w;case 2:return new AO(this.m_v1.a*this.m_v1.w.x+this.m_v2.a*this.m_v2.w.x,this.m_v1.a*this.m_v1.w.y+this.m_v2.a*this.m_v2.w.y);default:AK.b2Assert(false);return new AO}};AU.prototype.GetWitnessPoints=function(A,B){switch(this.m_count){case 0:AK.b2Assert(false);break;case 1:A.SetV(this.m_v1.wA);B.SetV(this.m_v1.wB);break;case 2:A.x=this.m_v1.a*this.m_v1.wA.x+this.m_v2.a*this.m_v2.wA.x;A.y=this.m_v1.a*this.m_v1.wA.y+this.m_v2.a*this.m_v2.wA.y;B.x=this.m_v1.a*this.m_v1.wB.x+this.m_v2.a*this.m_v2.wB.x;B.y=this.m_v1.a*this.m_v1.wB.y+this.m_v2.a*this.m_v2.wB.y;break;case 3:B.x=A.x=this.m_v1.a*this.m_v1.wA.x+this.m_v2.a*this.m_v2.wA.x+this.m_v3.a*this.m_v3.wA.x;B.y=A.y=this.m_v1.a*this.m_v1.wA.y+this.m_v2.a*this.m_v2.wA.y+this.m_v3.a*this.m_v3.wA.y;break;default:AK.b2Assert(false)}};AU.prototype.GetMetric=function(){switch(this.m_count){case 0:AK.b2Assert(false);return 0;case 1:return 0;case 2:return AL.SubtractVV(this.m_v1.w,this.m_v2.w).Length();case 3:return AL.CrossVV(AL.SubtractVV(this.m_v2.w,this.m_v1.w),AL.SubtractVV(this.m_v3.w,this.m_v1.w));default:AK.b2Assert(false);return 0}};AU.prototype.Solve2=function(){var A=this.m_v1.w,D=this.m_v2.w,B=AL.SubtractVV(D,A);A=-(A.x*B.x+A.y*B.y);if(A<=0){this.m_count=this.m_v1.a=1}else{D=D.x*B.x+D.y*B.y;if(D<=0){this.m_count=this.m_v2.a=1;this.m_v1.Set(this.m_v2)}else{B=1/(D+A);this.m_v1.a=D*B;this.m_v2.a=A*B;this.m_count=2}}};AU.prototype.Solve3=function(){var G=this.m_v1.w,F=this.m_v2.w,E=this.m_v3.w,D=AL.SubtractVV(F,G),A=AL.Dot(G,D),M=AL.Dot(F,D);A=-A;var K=AL.SubtractVV(E,G),L=AL.Dot(G,K),I=AL.Dot(E,K);L=-L;var B=AL.SubtractVV(E,F),H=AL.Dot(F,B);B=AL.Dot(E,B);H=-H;K=AL.CrossVV(D,K);D=K*AL.CrossVV(F,E);E=K*AL.CrossVV(E,G);G=K*AL.CrossVV(G,F);if(A<=0&&L<=0){this.m_count=this.m_v1.a=1}else{if(M>0&&A>0&&G<=0){I=1/(M+A);this.m_v1.a=M*I;this.m_v2.a=A*I;this.m_count=2}else{if(I>0&&L>0&&E<=0){M=1/(I+L);this.m_v1.a=I*M;this.m_v3.a=L*M;this.m_count=2;this.m_v2.Set(this.m_v3)}else{if(M<=0&&H<=0){this.m_count=this.m_v2.a=1;this.m_v1.Set(this.m_v2)}else{if(I<=0&&B<=0){this.m_count=this.m_v3.a=1;this.m_v1.Set(this.m_v3)}else{if(B>0&&H>0&&D<=0){M=1/(B+H);this.m_v2.a=B*M;this.m_v3.a=H*M;this.m_count=2;this.m_v1.Set(this.m_v3)}else{M=1/(D+E+G);this.m_v1.a=D*M;this.m_v2.a=E*M;this.m_v3.a=G*M;this.m_count=3}}}}}}};AR.b2SimplexCache=function(){this.indexA=new Vector_a2j_Number(3);this.indexB=new Vector_a2j_Number(3)};AT.b2SimplexVertex=function(){};AT.prototype.Set=function(A){this.wA.SetV(A.wA);this.wB.SetV(A.wB);this.w.SetV(A.w);this.a=A.a;this.indexA=A.indexA;this.indexB=A.indexB};AP.b2TimeOfImpact=function(){};AP.TimeOfImpact=function(N){++AP.b2_toiCalls;var L=N.proxyA,K=N.proxyB,E=N.sweepA,A=N.sweepB;AK.b2Assert(E.t0==A.t0);AK.b2Assert(1-E.t0>Number.MIN_VALUE);var U=L.m_radius+K.m_radius;N=N.tolerance;var R=0,S=0,Q=0;AP.s_cache.count=0;for(AP.s_distanceInput.useRadii=false;;){E.GetTransform(AP.s_xfA,R);A.GetTransform(AP.s_xfB,R);AP.s_distanceInput.proxyA=L;AP.s_distanceInput.proxyB=K;AP.s_distanceInput.transformA=AP.s_xfA;AP.s_distanceInput.transformB=AP.s_xfB;P.Distance(AP.s_distanceOutput,AP.s_cache,AP.s_distanceInput);if(AP.s_distanceOutput.distance<=0){R=1;break}AP.s_fcn.Initialize(AP.s_cache,L,AP.s_xfA,K,AP.s_xfB);var B=AP.s_fcn.Evaluate(AP.s_xfA,AP.s_xfB);if(B<=0){R=1;break}if(S==0){Q=B>U?AL.Max(U-N,0.75*U):AL.Max(B-N,0.02*U)}if(B-Q<0.5*N){if(S==0){R=1;break}break}var O=R,G=R,I=1;B=B;E.GetTransform(AP.s_xfA,I);A.GetTransform(AP.s_xfB,I);var D=AP.s_fcn.Evaluate(AP.s_xfA,AP.s_xfB);if(D>=Q){R=1;break}for(var H=0;;){var M=0;M=H&1?G+(Q-B)*(I-G)/(D-B):0.5*(G+I);E.GetTransform(AP.s_xfA,M);A.GetTransform(AP.s_xfB,M);var F=AP.s_fcn.Evaluate(AP.s_xfA,AP.s_xfB);if(AL.Abs(F-Q)<0.025*N){O=M;break}if(F>Q){G=M;B=F}else{I=M;D=F}++H;++AP.b2_toiRootIters;if(H==50){break}}AP.b2_toiMaxRootIters=AL.Max(AP.b2_toiMaxRootIters,H);if(O<(1+100*Number.MIN_VALUE)*R){break}R=O;S++;++AP.b2_toiIters;if(S==1000){break}}AP.b2_toiMaxIters=AL.Max(AP.b2_toiMaxIters,S);return R};Box2D.postDefs.push(function(){Box2D.Collision.b2TimeOfImpact.b2_toiCalls=0;Box2D.Collision.b2TimeOfImpact.b2_toiIters=0;Box2D.Collision.b2TimeOfImpact.b2_toiMaxIters=0;Box2D.Collision.b2TimeOfImpact.b2_toiRootIters=0;Box2D.Collision.b2TimeOfImpact.b2_toiMaxRootIters=0;Box2D.Collision.b2TimeOfImpact.s_cache=new AR;Box2D.Collision.b2TimeOfImpact.s_distanceInput=new J;Box2D.Collision.b2TimeOfImpact.s_xfA=new X;Box2D.Collision.b2TimeOfImpact.s_xfB=new X;Box2D.Collision.b2TimeOfImpact.s_fcn=new AW;Box2D.Collision.b2TimeOfImpact.s_distanceOutput=new AS});AN.b2TOIInput=function(){this.proxyA=new AJ;this.proxyB=new AJ;this.sweepA=new AH;this.sweepB=new AH};AQ.b2WorldManifold=function(){this.m_normal=new AO};AQ.prototype.b2WorldManifold=function(){this.m_points=new Vector(AK.b2_maxManifoldPoints);for(var A=0;A<AK.b2_maxManifoldPoints;A++){this.m_points[A]=new AO}};AQ.prototype.Initialize=function(I,H,G,D,A){if(G===undefined){G=0}if(A===undefined){A=0}if(I.m_pointCount!=0){var O=0,M,N,L=0,B=0,K=0,E=0,F=0;M=0;switch(I.m_type){case AE.e_circles:N=H.R;M=I.m_localPoint;O=H.position.x+N.col1.x*M.x+N.col2.x*M.y;H=H.position.y+N.col1.y*M.x+N.col2.y*M.y;N=D.R;M=I.m_points[0].m_localPoint;I=D.position.x+N.col1.x*M.x+N.col2.x*M.y;D=D.position.y+N.col1.y*M.x+N.col2.y*M.y;M=I-O;N=D-H;L=M*M+N*N;if(L>Number.MIN_VALUE*Number.MIN_VALUE){L=Math.sqrt(L);this.m_normal.x=M/L;this.m_normal.y=N/L}else{this.m_normal.x=1;this.m_normal.y=0}M=H+G*this.m_normal.y;D=D-A*this.m_normal.y;this.m_points[0].x=0.5*(O+G*this.m_normal.x+(I-A*this.m_normal.x));this.m_points[0].y=0.5*(M+D);break;case AE.e_faceA:N=H.R;M=I.m_localPlaneNormal;L=N.col1.x*M.x+N.col2.x*M.y;B=N.col1.y*M.x+N.col2.y*M.y;N=H.R;M=I.m_localPoint;K=H.position.x+N.col1.x*M.x+N.col2.x*M.y;E=H.position.y+N.col1.y*M.x+N.col2.y*M.y;this.m_normal.x=L;this.m_normal.y=B;for(O=0;O<I.m_pointCount;O++){N=D.R;M=I.m_points[O].m_localPoint;F=D.position.x+N.col1.x*M.x+N.col2.x*M.y;M=D.position.y+N.col1.y*M.x+N.col2.y*M.y;this.m_points[O].x=F+0.5*(G-(F-K)*L-(M-E)*B-A)*L;this.m_points[O].y=M+0.5*(G-(F-K)*L-(M-E)*B-A)*B}break;case AE.e_faceB:N=D.R;M=I.m_localPlaneNormal;L=N.col1.x*M.x+N.col2.x*M.y;B=N.col1.y*M.x+N.col2.y*M.y;N=D.R;M=I.m_localPoint;K=D.position.x+N.col1.x*M.x+N.col2.x*M.y;E=D.position.y+N.col1.y*M.x+N.col2.y*M.y;this.m_normal.x=-L;this.m_normal.y=-B;for(O=0;O<I.m_pointCount;O++){N=H.R;M=I.m_points[O].m_localPoint;F=H.position.x+N.col1.x*M.x+N.col2.x*M.y;M=H.position.y+N.col1.y*M.x+N.col2.y*M.y;this.m_points[O].x=F+0.5*(A-(F-K)*L-(M-E)*B-G)*L;this.m_points[O].y=M+0.5*(A-(F-K)*L-(M-E)*B-G)*B}}}};AY.ClipVertex=function(){this.v=new AO;this.id=new t};AY.prototype.Set=function(A){this.v.SetV(A.v);this.id.Set(A.id)};AX.Features=function(){};Object.defineProperty(AX.prototype,"referenceEdge",{enumerable:false,configurable:true,get:function(){return this._referenceEdge}});Object.defineProperty(AX.prototype,"referenceEdge",{enumerable:false,configurable:true,set:function(A){if(A===undefined){A=0}this._referenceEdge=A;this._m_id._key=this._m_id._key&4294967040|this._referenceEdge&255}});Object.defineProperty(AX.prototype,"incidentEdge",{enumerable:false,configurable:true,get:function(){return this._incidentEdge}});Object.defineProperty(AX.prototype,"incidentEdge",{enumerable:false,configurable:true,set:function(A){if(A===undefined){A=0}this._incidentEdge=A;this._m_id._key=this._m_id._key&4294902015|this._incidentEdge<<8&65280}});Object.defineProperty(AX.prototype,"incidentVertex",{enumerable:false,configurable:true,get:function(){return this._incidentVertex}});Object.defineProperty(AX.prototype,"incidentVertex",{enumerable:false,configurable:true,set:function(A){if(A===undefined){A=0}this._incidentVertex=A;this._m_id._key=this._m_id._key&4278255615|this._incidentVertex<<16&16711680}});Object.defineProperty(AX.prototype,"flip",{enumerable:false,configurable:true,get:function(){return this._flip}});Object.defineProperty(AX.prototype,"flip",{enumerable:false,configurable:true,set:function(A){if(A===undefined){A=0}this._flip=A;this._m_id._key=this._m_id._key&16777215|this._flip<<24&4278190080}})})();(function(){var f=Box2D.Common.b2Settings,e=Box2D.Collision.Shapes.b2CircleShape,X=Box2D.Collision.Shapes.b2EdgeChainDef,T=Box2D.Collision.Shapes.b2EdgeShape,b=Box2D.Collision.Shapes.b2MassData,H=Box2D.Collision.Shapes.b2PolygonShape,O=Box2D.Collision.Shapes.b2Shape,E=Box2D.Common.Math.b2Mat22,D=Box2D.Common.Math.b2Math,P=Box2D.Common.Math.b2Transform,N=Box2D.Common.Math.b2Vec2,R=Box2D.Collision.b2Distance,S=Box2D.Collision.b2DistanceInput,Z=Box2D.Collision.b2DistanceOutput,J=Box2D.Collision.b2DistanceProxy,C=Box2D.Collision.b2SimplexCache;Box2D.inherit(e,Box2D.Collision.Shapes.b2Shape);e.prototype.__super=Box2D.Collision.Shapes.b2Shape.prototype;e.b2CircleShape=function(){Box2D.Collision.Shapes.b2Shape.b2Shape.apply(this,arguments);this.m_p=new N};e.prototype.Copy=function(){var A=new e;A.Set(this);return A};e.prototype.Set=function(A){this.__super.Set.call(this,A);if(Box2D.is(A,e)){this.m_p.SetV((A instanceof e?A:null).m_p)}};e.prototype.TestPoint=function(A,G){var B=A.R,F=A.position.x+(B.col1.x*this.m_p.x+B.col2.x*this.m_p.y);B=A.position.y+(B.col1.y*this.m_p.x+B.col2.y*this.m_p.y);F=G.x-F;B=G.y-B;return F*F+B*B<=this.m_radius*this.m_radius};e.prototype.RayCast=function(B,K,M){var A=M.R,L=K.p1.x-(M.position.x+(A.col1.x*this.m_p.x+A.col2.x*this.m_p.y));M=K.p1.y-(M.position.y+(A.col1.y*this.m_p.x+A.col2.y*this.m_p.y));A=K.p2.x-K.p1.x;var G=K.p2.y-K.p1.y,Q=L*A+M*G,F=A*A+G*G,I=Q*Q-F*(L*L+M*M-this.m_radius*this.m_radius);if(I<0||F<Number.MIN_VALUE){return false}Q=-(Q+Math.sqrt(I));if(0<=Q&&Q<=K.maxFraction*F){Q/=F;B.fraction=Q;B.normal.x=L+Q*A;B.normal.y=M+Q*G;B.normal.Normalize();return true}return false};e.prototype.ComputeAABB=function(A,G){var B=G.R,F=G.position.x+(B.col1.x*this.m_p.x+B.col2.x*this.m_p.y);B=G.position.y+(B.col1.y*this.m_p.x+B.col2.y*this.m_p.y);A.lowerBound.Set(F-this.m_radius,B-this.m_radius);A.upperBound.Set(F+this.m_radius,B+this.m_radius)};e.prototype.ComputeMass=function(A,B){if(B===undefined){B=0}A.mass=B*f.b2_pi*this.m_radius*this.m_radius;A.center.SetV(this.m_p);A.I=A.mass*(0.5*this.m_radius*this.m_radius+(this.m_p.x*this.m_p.x+this.m_p.y*this.m_p.y))};e.prototype.ComputeSubmergedArea=function(A,K,B,I){if(K===undefined){K=0}B=D.MulX(B,this.m_p);var F=-(D.Dot(A,B)-K);if(F<-this.m_radius+Number.MIN_VALUE){return 0}if(F>this.m_radius){I.SetV(B);return Math.PI*this.m_radius*this.m_radius}K=this.m_radius*this.m_radius;var G=F*F;F=K*(Math.asin(F/this.m_radius)+Math.PI/2)+F*Math.sqrt(K-G);K=-2/3*Math.pow(K-G,1.5)/F;I.x=B.x+A.x*K;I.y=B.y+A.y*K;return F};e.prototype.GetLocalPosition=function(){return this.m_p};e.prototype.SetLocalPosition=function(A){this.m_p.SetV(A)};e.prototype.GetRadius=function(){return this.m_radius};e.prototype.SetRadius=function(A){if(A===undefined){A=0}this.m_radius=A};e.prototype.b2CircleShape=function(A){if(A===undefined){A=0}this.__super.b2Shape.call(this);this.m_type=O.e_circleShape;this.m_radius=A};X.b2EdgeChainDef=function(){};X.prototype.b2EdgeChainDef=function(){this.vertexCount=0;this.isALoop=true;this.vertices=[]};Box2D.inherit(T,Box2D.Collision.Shapes.b2Shape);T.prototype.__super=Box2D.Collision.Shapes.b2Shape.prototype;T.b2EdgeShape=function(){Box2D.Collision.Shapes.b2Shape.b2Shape.apply(this,arguments);this.s_supportVec=new N;this.m_v1=new N;this.m_v2=new N;this.m_coreV1=new N;this.m_coreV2=new N;this.m_normal=new N;this.m_direction=new N;this.m_cornerDir1=new N;this.m_cornerDir2=new N};T.prototype.TestPoint=function(){return false};T.prototype.RayCast=function(F,M,U){var B,Q=M.p2.x-M.p1.x,K=M.p2.y-M.p1.y;B=U.R;var V=U.position.x+(B.col1.x*this.m_v1.x+B.col2.x*this.m_v1.y),I=U.position.y+(B.col1.y*this.m_v1.x+B.col2.y*this.m_v1.y),L=U.position.y+(B.col1.y*this.m_v2.x+B.col2.y*this.m_v2.y)-I;U=-(U.position.x+(B.col1.x*this.m_v2.x+B.col2.x*this.m_v2.y)-V);B=100*Number.MIN_VALUE;var G=-(Q*L+K*U);if(G>B){V=M.p1.x-V;var A=M.p1.y-I;I=V*L+A*U;if(0<=I&&I<=M.maxFraction*G){M=-Q*A+K*V;if(-B*G<=M&&M<=G*(1+B)){I/=G;F.fraction=I;M=Math.sqrt(L*L+U*U);F.normal.x=L/M;F.normal.y=U/M;return true}}}return false};T.prototype.ComputeAABB=function(A,K){var B=K.R,I=K.position.x+(B.col1.x*this.m_v1.x+B.col2.x*this.m_v1.y),F=K.position.y+(B.col1.y*this.m_v1.x+B.col2.y*this.m_v1.y),G=K.position.x+(B.col1.x*this.m_v2.x+B.col2.x*this.m_v2.y);B=K.position.y+(B.col1.y*this.m_v2.x+B.col2.y*this.m_v2.y);if(I<G){A.lowerBound.x=I;A.upperBound.x=G}else{A.lowerBound.x=G;A.upperBound.x=I}if(F<B){A.lowerBound.y=F;A.upperBound.y=B}else{A.lowerBound.y=B;A.upperBound.y=F}};T.prototype.ComputeMass=function(A){A.mass=0;A.center.SetV(this.m_v1);A.I=0};T.prototype.ComputeSubmergedArea=function(A,L,B,K){if(L===undefined){L=0}var F=new N(A.x*L,A.y*L),I=D.MulX(B,this.m_v1);B=D.MulX(B,this.m_v2);var G=D.Dot(A,I)-L;A=D.Dot(A,B)-L;if(G>0){if(A>0){return 0}else{I.x=-A/(G-A)*I.x+G/(G-A)*B.x;I.y=-A/(G-A)*I.y+G/(G-A)*B.y}}else{if(A>0){B.x=-A/(G-A)*I.x+G/(G-A)*B.x;B.y=-A/(G-A)*I.y+G/(G-A)*B.y}}K.x=(F.x+I.x+B.x)/3;K.y=(F.y+I.y+B.y)/3;return 0.5*((I.x-F.x)*(B.y-F.y)-(I.y-F.y)*(B.x-F.x))};T.prototype.GetLength=function(){return this.m_length};T.prototype.GetVertex1=function(){return this.m_v1};T.prototype.GetVertex2=function(){return this.m_v2};T.prototype.GetCoreVertex1=function(){return this.m_coreV1};T.prototype.GetCoreVertex2=function(){return this.m_coreV2};T.prototype.GetNormalVector=function(){return this.m_normal};T.prototype.GetDirectionVector=function(){return this.m_direction};T.prototype.GetCorner1Vector=function(){return this.m_cornerDir1};T.prototype.GetCorner2Vector=function(){return this.m_cornerDir2};T.prototype.Corner1IsConvex=function(){return this.m_cornerConvex1};T.prototype.Corner2IsConvex=function(){return this.m_cornerConvex2};T.prototype.GetFirstVertex=function(A){var B=A.R;return new N(A.position.x+(B.col1.x*this.m_coreV1.x+B.col2.x*this.m_coreV1.y),A.position.y+(B.col1.y*this.m_coreV1.x+B.col2.y*this.m_coreV1.y))};T.prototype.GetNextEdge=function(){return this.m_nextEdge};T.prototype.GetPrevEdge=function(){return this.m_prevEdge};T.prototype.Support=function(A,L,B){if(L===undefined){L=0}if(B===undefined){B=0}var K=A.R,F=A.position.x+(K.col1.x*this.m_coreV1.x+K.col2.x*this.m_coreV1.y),I=A.position.y+(K.col1.y*this.m_coreV1.x+K.col2.y*this.m_coreV1.y),G=A.position.x+(K.col1.x*this.m_coreV2.x+K.col2.x*this.m_coreV2.y);A=A.position.y+(K.col1.y*this.m_coreV2.x+K.col2.y*this.m_coreV2.y);if(F*L+I*B>G*L+A*B){this.s_supportVec.x=F;this.s_supportVec.y=I}else{this.s_supportVec.x=G;this.s_supportVec.y=A}return this.s_supportVec};T.prototype.b2EdgeShape=function(A,B){this.__super.b2Shape.call(this);this.m_type=O.e_edgeShape;this.m_nextEdge=this.m_prevEdge=null;this.m_v1=A;this.m_v2=B;this.m_direction.Set(this.m_v2.x-this.m_v1.x,this.m_v2.y-this.m_v1.y);this.m_length=this.m_direction.Normalize();this.m_normal.Set(this.m_direction.y,-this.m_direction.x);this.m_coreV1.Set(-f.b2_toiSlop*(this.m_normal.x-this.m_direction.x)+this.m_v1.x,-f.b2_toiSlop*(this.m_normal.y-this.m_direction.y)+this.m_v1.y);this.m_coreV2.Set(-f.b2_toiSlop*(this.m_normal.x+this.m_direction.x)+this.m_v2.x,-f.b2_toiSlop*(this.m_normal.y+this.m_direction.y)+this.m_v2.y);this.m_cornerDir1=this.m_normal;this.m_cornerDir2.Set(-this.m_normal.x,-this.m_normal.y)};T.prototype.SetPrevEdge=function(A,G,B,F){this.m_prevEdge=A;this.m_coreV1=G;this.m_cornerDir1=B;this.m_cornerConvex1=F};T.prototype.SetNextEdge=function(A,G,B,F){this.m_nextEdge=A;this.m_coreV2=G;this.m_cornerDir2=B;this.m_cornerConvex2=F};b.b2MassData=function(){this.mass=0;this.center=new N(0,0);this.I=0};Box2D.inherit(H,Box2D.Collision.Shapes.b2Shape);H.prototype.__super=Box2D.Collision.Shapes.b2Shape.prototype;H.b2PolygonShape=function(){Box2D.Collision.Shapes.b2Shape.b2Shape.apply(this,arguments)};H.prototype.Copy=function(){var A=new H;A.Set(this);return A};H.prototype.Set=function(A){this.__super.Set.call(this,A);if(Box2D.is(A,H)){A=A instanceof H?A:null;this.m_centroid.SetV(A.m_centroid);this.m_vertexCount=A.m_vertexCount;this.Reserve(this.m_vertexCount);for(var B=0;B<this.m_vertexCount;B++){this.m_vertices[B].SetV(A.m_vertices[B]);this.m_normals[B].SetV(A.m_normals[B])}}};H.prototype.SetAsArray=function(A,I){if(I===undefined){I=0}var B=new Vector,G=0,F;for(G=0;G<A.length;++G){F=A[G];B.push(F)}this.SetAsVector(B,I)};H.AsArray=function(A,F){if(F===undefined){F=0}var B=new H;B.SetAsArray(A,F);return B};H.prototype.SetAsVector=function(A,I){if(I===undefined){I=0}if(I==0){I=A.length}f.b2Assert(2<=I);this.m_vertexCount=I;this.Reserve(I);var B=0;for(B=0;B<this.m_vertexCount;B++){this.m_vertices[B].SetV(A[B])}for(B=0;B<this.m_vertexCount;++B){var G=parseInt(B),F=parseInt(B+1<this.m_vertexCount?B+1:0);G=D.SubtractVV(this.m_vertices[F],this.m_vertices[G]);f.b2Assert(G.LengthSquared()>Number.MIN_VALUE);this.m_normals[B].SetV(D.CrossVF(G,1));this.m_normals[B].Normalize()}this.m_centroid=H.ComputeCentroid(this.m_vertices,this.m_vertexCount)};H.AsVector=function(A,F){if(F===undefined){F=0}var B=new H;B.SetAsVector(A,F);return B};H.prototype.SetAsBox=function(A,B){if(A===undefined){A=0}if(B===undefined){B=0}this.m_vertexCount=4;this.Reserve(4);this.m_vertices[0].Set(-A,-B);this.m_vertices[1].Set(A,-B);this.m_vertices[2].Set(A,B);this.m_vertices[3].Set(-A,B);this.m_normals[0].Set(0,-1);this.m_normals[1].Set(1,0);this.m_normals[2].Set(0,1);this.m_normals[3].Set(-1,0);this.m_centroid.SetZero()};H.AsBox=function(A,F){if(A===undefined){A=0}if(F===undefined){F=0}var B=new H;B.SetAsBox(A,F);return B};H.prototype.SetAsOrientedBox=function(A,G,B,F){if(A===undefined){A=0}if(G===undefined){G=0}if(B===undefined){B=null}if(F===undefined){F=0}this.m_vertexCount=4;this.Reserve(4);this.m_vertices[0].Set(-A,-G);this.m_vertices[1].Set(A,-G);this.m_vertices[2].Set(A,G);this.m_vertices[3].Set(-A,G);this.m_normals[0].Set(0,-1);this.m_normals[1].Set(1,0);this.m_normals[2].Set(0,1);this.m_normals[3].Set(-1,0);this.m_centroid=B;A=new P;A.position=B;A.R.Set(F);for(B=0;B<this.m_vertexCount;++B){this.m_vertices[B]=D.MulX(A,this.m_vertices[B]);this.m_normals[B]=D.MulMV(A.R,this.m_normals[B])}};H.AsOrientedBox=function(A,I,B,G){if(A===undefined){A=0}if(I===undefined){I=0}if(B===undefined){B=null}if(G===undefined){G=0}var F=new H;F.SetAsOrientedBox(A,I,B,G);return F};H.prototype.SetAsEdge=function(A,B){this.m_vertexCount=2;this.Reserve(2);this.m_vertices[0].SetV(A);this.m_vertices[1].SetV(B);this.m_centroid.x=0.5*(A.x+B.x);this.m_centroid.y=0.5*(A.y+B.y);this.m_normals[0]=D.CrossVF(D.SubtractVV(B,A),1);this.m_normals[0].Normalize();this.m_normals[1].x=-this.m_normals[0].x;this.m_normals[1].y=-this.m_normals[0].y};H.AsEdge=function(A,F){var B=new H;B.SetAsEdge(A,F);return B};H.prototype.TestPoint=function(A,M){var B;B=A.R;for(var L=M.x-A.position.x,F=M.y-A.position.y,K=L*B.col1.x+F*B.col1.y,I=L*B.col2.x+F*B.col2.y,G=0;G<this.m_vertexCount;++G){B=this.m_vertices[G];L=K-B.x;F=I-B.y;B=this.m_normals[G];if(B.x*L+B.y*F>0){return false}}return true};H.prototype.RayCast=function(G,U,W){var B=0,V=U.maxFraction,L=0,Y=0,K,M;L=U.p1.x-W.position.x;Y=U.p1.y-W.position.y;K=W.R;var I=L*K.col1.x+Y*K.col1.y,A=L*K.col2.x+Y*K.col2.y;L=U.p2.x-W.position.x;Y=U.p2.y-W.position.y;K=W.R;U=L*K.col1.x+Y*K.col1.y-I;K=L*K.col2.x+Y*K.col2.y-A;for(var F=parseInt(-1),Q=0;Q<this.m_vertexCount;++Q){M=this.m_vertices[Q];L=M.x-I;Y=M.y-A;M=this.m_normals[Q];L=M.x*L+M.y*Y;Y=M.x*U+M.y*K;if(Y==0){if(L<0){return false}}else{if(Y<0&&L<B*Y){B=L/Y;F=Q}else{if(Y>0&&L<V*Y){V=L/Y}}}if(V<B-Number.MIN_VALUE){return false}}if(F>=0){G.fraction=B;K=W.R;M=this.m_normals[F];G.normal.x=K.col1.x*M.x+K.col2.x*M.y;G.normal.y=K.col1.y*M.x+K.col2.y*M.y;return true}return false};H.prototype.ComputeAABB=function(B,L){for(var Q=L.R,A=this.m_vertices[0],M=L.position.x+(Q.col1.x*A.x+Q.col2.x*A.y),I=L.position.y+(Q.col1.y*A.x+Q.col2.y*A.y),U=M,G=I,K=1;K<this.m_vertexCount;++K){A=this.m_vertices[K];var F=L.position.x+(Q.col1.x*A.x+Q.col2.x*A.y);A=L.position.y+(Q.col1.y*A.x+Q.col2.y*A.y);M=M<F?M:F;I=I<A?I:A;U=U>F?U:F;G=G>A?G:A}B.lowerBound.x=M-this.m_radius;B.lowerBound.y=I-this.m_radius;B.upperBound.x=U+this.m_radius;B.upperBound.y=G+this.m_radius};H.prototype.ComputeMass=function(I,Y){if(Y===undefined){Y=0}if(this.m_vertexCount==2){I.center.x=0.5*(this.m_vertices[0].x+this.m_vertices[1].x);I.center.y=0.5*(this.m_vertices[0].y+this.m_vertices[1].y);I.mass=0;I.I=0}else{for(var m=0,B=0,g=0,U=0,n=1/3,M=0;M<this.m_vertexCount;++M){var V=this.m_vertices[M],L=M+1<this.m_vertexCount?this.m_vertices[parseInt(M+1)]:this.m_vertices[0],A=V.x-0,F=V.y-0,W=L.x-0,Q=L.y-0,G=A*Q-F*W,K=0.5*G;g+=K;m+=K*n*(0+V.x+L.x);B+=K*n*(0+V.y+L.y);V=A;F=F;W=W;Q=Q;U+=G*(n*(0.25*(V*V+W*V+W*W)+(0*V+0*W))+0+(n*(0.25*(F*F+Q*F+Q*Q)+(0*F+0*Q))+0))}I.mass=Y*g;m*=1/g;B*=1/g;I.center.Set(m,B);I.I=Y*U}};H.prototype.ComputeSubmergedArea=function(F,M,U,B){if(M===undefined){M=0}var Q=D.MulTMV(U.R,F),K=M-D.Dot(F,U.position),V=new Vector_a2j_Number,I=0,L=parseInt(-1);M=parseInt(-1);var G=false;for(F=F=0;F<this.m_vertexCount;++F){V[F]=D.Dot(Q,this.m_vertices[F])-K;var A=V[F]<-Number.MIN_VALUE;if(F>0){if(A){if(!G){L=F-1;I++}}else{if(G){M=F-1;I++}}}G=A}switch(I){case 0:if(G){F=new b;this.ComputeMass(F,1);B.SetV(D.MulX(U,F.center));return F.mass}else{return 0}case 1:if(L==-1){L=this.m_vertexCount-1}else{M=this.m_vertexCount-1}}F=parseInt((L+1)%this.m_vertexCount);Q=parseInt((M+1)%this.m_vertexCount);K=(0-V[L])/(V[F]-V[L]);V=(0-V[M])/(V[Q]-V[M]);L=new N(this.m_vertices[L].x*(1-K)+this.m_vertices[F].x*K,this.m_vertices[L].y*(1-K)+this.m_vertices[F].y*K);M=new N(this.m_vertices[M].x*(1-V)+this.m_vertices[Q].x*V,this.m_vertices[M].y*(1-V)+this.m_vertices[Q].y*V);V=0;K=new N;I=this.m_vertices[F];for(F=F;F!=Q;){F=(F+1)%this.m_vertexCount;G=F==Q?M:this.m_vertices[F];A=0.5*((I.x-L.x)*(G.y-L.y)-(I.y-L.y)*(G.x-L.x));V+=A;K.x+=A*(L.x+I.x+G.x)/3;K.y+=A*(L.y+I.y+G.y)/3;I=G}K.Multiply(1/V);B.SetV(D.MulX(U,K));return V};H.prototype.GetVertexCount=function(){return this.m_vertexCount};H.prototype.GetVertices=function(){return this.m_vertices};H.prototype.GetNormals=function(){return this.m_normals};H.prototype.GetSupport=function(A){for(var I=0,B=this.m_vertices[0].x*A.x+this.m_vertices[0].y*A.y,G=1;G<this.m_vertexCount;++G){var F=this.m_vertices[G].x*A.x+this.m_vertices[G].y*A.y;if(F>B){I=G;B=F}}return I};H.prototype.GetSupportVertex=function(A){for(var I=0,B=this.m_vertices[0].x*A.x+this.m_vertices[0].y*A.y,G=1;G<this.m_vertexCount;++G){var F=this.m_vertices[G].x*A.x+this.m_vertices[G].y*A.y;if(F>B){I=G;B=F}}return this.m_vertices[I]};H.prototype.Validate=function(){return false};H.prototype.b2PolygonShape=function(){this.__super.b2Shape.call(this);this.m_type=O.e_polygonShape;this.m_centroid=new N;this.m_vertices=new Vector;this.m_normals=new Vector};H.prototype.Reserve=function(A){if(A===undefined){A=0}for(var B=parseInt(this.m_vertices.length);B<A;B++){this.m_vertices[B]=new N;this.m_normals[B]=new N}};H.ComputeCentroid=function(B,K){if(K===undefined){K=0}for(var M=new N,A=0,L=1/3,G=0;G<K;++G){var Q=B[G],F=G+1<K?B[parseInt(G+1)]:B[0],I=0.5*((Q.x-0)*(F.y-0)-(Q.y-0)*(F.x-0));A+=I;M.x+=I*L*(0+Q.x+F.x);M.y+=I*L*(0+Q.y+F.y)}M.x*=1/A;M.y*=1/A;return M};H.ComputeOBB=function(g,K,M){if(M===undefined){M=0}var U=0,L=new Vector(M+1);for(U=0;U<M;++U){L[U]=K[U]}L[M]=L[0];K=Number.MAX_VALUE;for(U=1;U<=M;++U){var G=L[parseInt(U-1)],Q=L[U].x-G.x,F=L[U].y-G.y,I=Math.sqrt(Q*Q+F*F);Q/=I;F/=I;for(var B=-F,r=Q,A=I=Number.MAX_VALUE,p=-Number.MAX_VALUE,n=-Number.MAX_VALUE,Y=0;Y<M;++Y){var m=L[Y].x-G.x,W=L[Y].y-G.y,V=Q*m+F*W;m=B*m+r*W;if(V<I){I=V}if(m<A){A=m}if(V>p){p=V}if(m>n){n=m}}Y=(p-I)*(n-A);if(Y<0.95*K){K=Y;g.R.col1.x=Q;g.R.col1.y=F;g.R.col2.x=B;g.R.col2.y=r;Q=0.5*(I+p);F=0.5*(A+n);B=g.R;g.center.x=G.x+(B.col1.x*Q+B.col2.x*F);g.center.y=G.y+(B.col1.y*Q+B.col2.y*F);g.extents.x=0.5*(p-I);g.extents.y=0.5*(n-A)}}};Box2D.postDefs.push(function(){Box2D.Collision.Shapes.b2PolygonShape.s_mat=new E});O.b2Shape=function(){};O.prototype.Copy=function(){return null};O.prototype.Set=function(A){this.m_radius=A.m_radius};O.prototype.GetType=function(){return this.m_type};O.prototype.TestPoint=function(){return false};O.prototype.RayCast=function(){return false};O.prototype.ComputeAABB=function(){};O.prototype.ComputeMass=function(){};O.prototype.ComputeSubmergedArea=function(){return 0};O.TestOverlap=function(A,I,B,G){var F=new S;F.proxyA=new J;F.proxyA.Set(A);F.proxyB=new J;F.proxyB.Set(B);F.transformA=I;F.transformB=G;F.useRadii=true;A=new C;A.count=0;I=new Z;R.Distance(I,A,F);return I.distance<10*Number.MIN_VALUE};O.prototype.b2Shape=function(){this.m_type=O.e_unknownShape;this.m_radius=f.b2_linearSlop};Box2D.postDefs.push(function(){Box2D.Collision.Shapes.b2Shape.e_unknownShape=parseInt(-1);Box2D.Collision.Shapes.b2Shape.e_circleShape=0;Box2D.Collision.Shapes.b2Shape.e_polygonShape=1;Box2D.Collision.Shapes.b2Shape.e_edgeShape=2;Box2D.Collision.Shapes.b2Shape.e_shapeTypeCount=3;Box2D.Collision.Shapes.b2Shape.e_hitCollide=1;Box2D.Collision.Shapes.b2Shape.e_missCollide=0;Box2D.Collision.Shapes.b2Shape.e_startsInsideCollide=parseInt(-1)})})();(function(){var C=Box2D.Common.b2Color,B=Box2D.Common.b2Settings,A=Box2D.Common.Math.b2Math;C.b2Color=function(){this._b=this._g=this._r=0};C.prototype.b2Color=function(F,E,D){if(F===undefined){F=0}if(E===undefined){E=0}if(D===undefined){D=0}this._r=Box2D.parseUInt(255*A.Clamp(F,0,1));this._g=Box2D.parseUInt(255*A.Clamp(E,0,1));this._b=Box2D.parseUInt(255*A.Clamp(D,0,1))};C.prototype.Set=function(F,E,D){if(F===undefined){F=0}if(E===undefined){E=0}if(D===undefined){D=0}this._r=Box2D.parseUInt(255*A.Clamp(F,0,1));this._g=Box2D.parseUInt(255*A.Clamp(E,0,1));this._b=Box2D.parseUInt(255*A.Clamp(D,0,1))};Object.defineProperty(C.prototype,"r",{enumerable:false,configurable:true,set:function(D){if(D===undefined){D=0}this._r=Box2D.parseUInt(255*A.Clamp(D,0,1))}});Object.defineProperty(C.prototype,"g",{enumerable:false,configurable:true,set:function(D){if(D===undefined){D=0}this._g=Box2D.parseUInt(255*A.Clamp(D,0,1))}});Object.defineProperty(C.prototype,"b",{enumerable:false,configurable:true,set:function(D){if(D===undefined){D=0}this._b=Box2D.parseUInt(255*A.Clamp(D,0,1))}});Object.defineProperty(C.prototype,"color",{enumerable:false,configurable:true,get:function(){return this._r<<16|this._g<<8|this._b}});B.b2Settings=function(){};B.b2MixFriction=function(E,D){if(E===undefined){E=0}if(D===undefined){D=0}return Math.sqrt(E*D)};B.b2MixRestitution=function(E,D){if(E===undefined){E=0}if(D===undefined){D=0}return E>D?E:D};B.b2Assert=function(D){if(!D){throw"Assertion Failed"}};Box2D.postDefs.push(function(){Box2D.Common.b2Settings.VERSION="2.1alpha";Box2D.Common.b2Settings.USHRT_MAX=65535;Box2D.Common.b2Settings.b2_pi=Math.PI;Box2D.Common.b2Settings.b2_maxManifoldPoints=2;Box2D.Common.b2Settings.b2_aabbExtension=0.1;Box2D.Common.b2Settings.b2_aabbMultiplier=2;Box2D.Common.b2Settings.b2_polygonRadius=2*B.b2_linearSlop;Box2D.Common.b2Settings.b2_linearSlop=0.005;Box2D.Common.b2Settings.b2_angularSlop=2/180*B.b2_pi;Box2D.Common.b2Settings.b2_toiSlop=8*B.b2_linearSlop;Box2D.Common.b2Settings.b2_maxTOIContactsPerIsland=32;Box2D.Common.b2Settings.b2_maxTOIJointsPerIsland=32;Box2D.Common.b2Settings.b2_velocityThreshold=1;Box2D.Common.b2Settings.b2_maxLinearCorrection=0.2;Box2D.Common.b2Settings.b2_maxAngularCorrection=8/180*B.b2_pi;Box2D.Common.b2Settings.b2_maxTranslation=2;Box2D.Common.b2Settings.b2_maxTranslationSquared=B.b2_maxTranslation*B.b2_maxTranslation;Box2D.Common.b2Settings.b2_maxRotation=0.5*B.b2_pi;Box2D.Common.b2Settings.b2_maxRotationSquared=B.b2_maxRotation*B.b2_maxRotation;Box2D.Common.b2Settings.b2_contactBaumgarte=0.2;Box2D.Common.b2Settings.b2_timeToSleep=0.5;Box2D.Common.b2Settings.b2_linearSleepTolerance=0.01;Box2D.Common.b2Settings.b2_angularSleepTolerance=2/180*B.b2_pi})})();(function(){var I=Box2D.Common.Math.b2Mat22,H=Box2D.Common.Math.b2Mat33,D=Box2D.Common.Math.b2Math,J=Box2D.Common.Math.b2Sweep,C=Box2D.Common.Math.b2Transform,B=Box2D.Common.Math.b2Vec2,E=Box2D.Common.Math.b2Vec3;I.b2Mat22=function(){this.col1=new B;this.col2=new B};I.prototype.b2Mat22=function(){this.SetIdentity()};I.FromAngle=function(A){if(A===undefined){A=0}var F=new I;F.Set(A);return F};I.FromVV=function(F,G){var A=new I;A.SetVV(F,G);return A};I.prototype.Set=function(A){if(A===undefined){A=0}var F=Math.cos(A);A=Math.sin(A);this.col1.x=F;this.col2.x=-A;this.col1.y=A;this.col2.y=F};I.prototype.SetVV=function(A,F){this.col1.SetV(A);this.col2.SetV(F)};I.prototype.Copy=function(){var A=new I;A.SetM(this);return A};I.prototype.SetM=function(A){this.col1.SetV(A.col1);this.col2.SetV(A.col2)};I.prototype.AddM=function(A){this.col1.x+=A.col1.x;this.col1.y+=A.col1.y;this.col2.x+=A.col2.x;this.col2.y+=A.col2.y};I.prototype.SetIdentity=function(){this.col1.x=1;this.col2.x=0;this.col1.y=0;this.col2.y=1};I.prototype.SetZero=function(){this.col1.x=0;this.col2.x=0;this.col1.y=0;this.col2.y=0};I.prototype.GetAngle=function(){return Math.atan2(this.col1.y,this.col1.x)};I.prototype.GetInverse=function(K){var O=this.col1.x,G=this.col2.x,F=this.col1.y,N=this.col2.y,A=O*N-G*F;if(A!=0){A=1/A}K.col1.x=A*N;K.col2.x=-A*G;K.col1.y=-A*F;K.col2.y=A*O;return K};I.prototype.Solve=function(O,R,N){if(R===undefined){R=0}if(N===undefined){N=0}var G=this.col1.x,P=this.col2.x,F=this.col1.y,K=this.col2.y,A=G*K-P*F;if(A!=0){A=1/A}O.x=A*(K*R-P*N);O.y=A*(G*N-F*R);return O};I.prototype.Abs=function(){this.col1.Abs();this.col2.Abs()};H.b2Mat33=function(){this.col1=new E;this.col2=new E;this.col3=new E};H.prototype.b2Mat33=function(F,G,A){if(F===undefined){F=null}if(G===undefined){G=null}if(A===undefined){A=null}if(!F&&!G&&!A){this.col1.SetZero();this.col2.SetZero();this.col3.SetZero()}else{this.col1.SetV(F);this.col2.SetV(G);this.col3.SetV(A)}};H.prototype.SetVVV=function(F,G,A){this.col1.SetV(F);this.col2.SetV(G);this.col3.SetV(A)};H.prototype.Copy=function(){return new H(this.col1,this.col2,this.col3)};H.prototype.SetM=function(A){this.col1.SetV(A.col1);this.col2.SetV(A.col2);this.col3.SetV(A.col3)};H.prototype.AddM=function(A){this.col1.x+=A.col1.x;this.col1.y+=A.col1.y;this.col1.z+=A.col1.z;this.col2.x+=A.col2.x;this.col2.y+=A.col2.y;this.col2.z+=A.col2.z;this.col3.x+=A.col3.x;this.col3.y+=A.col3.y;this.col3.z+=A.col3.z};H.prototype.SetIdentity=function(){this.col1.x=1;this.col2.x=0;this.col3.x=0;this.col1.y=0;this.col2.y=1;this.col3.y=0;this.col1.z=0;this.col2.z=0;this.col3.z=1};H.prototype.SetZero=function(){this.col1.x=0;this.col2.x=0;this.col3.x=0;this.col1.y=0;this.col2.y=0;this.col3.y=0;this.col1.z=0;this.col2.z=0;this.col3.z=0};H.prototype.Solve22=function(O,R,N){if(R===undefined){R=0}if(N===undefined){N=0}var G=this.col1.x,P=this.col2.x,F=this.col1.y,K=this.col2.y,A=G*K-P*F;if(A!=0){A=1/A}O.x=A*(K*R-P*N);O.y=A*(G*N-F*R);return O};H.prototype.Solve33=function(K,G,R,O){if(G===undefined){G=0}if(R===undefined){R=0}if(O===undefined){O=0}var S=this.col1.x,U=this.col1.y,X=this.col1.z,N=this.col2.x,F=this.col2.y,P=this.col2.z,T=this.col3.x,b=this.col3.y,A=this.col3.z,Z=S*(F*A-P*b)+U*(P*T-N*A)+X*(N*b-F*T);if(Z!=0){Z=1/Z}K.x=Z*(G*(F*A-P*b)+R*(P*T-N*A)+O*(N*b-F*T));K.y=Z*(S*(R*A-O*b)+U*(O*T-G*A)+X*(G*b-R*T));K.z=Z*(S*(F*O-P*R)+U*(P*G-N*O)+X*(N*R-F*G));return K};D.b2Math=function(){};D.IsValid=function(A){if(A===undefined){A=0}return isFinite(A)};D.Dot=function(A,F){return A.x*F.x+A.y*F.y};D.CrossVV=function(A,F){return A.x*F.y-A.y*F.x};D.CrossVF=function(A,F){if(F===undefined){F=0}return new B(F*A.y,-F*A.x)};D.CrossFV=function(A,F){if(A===undefined){A=0}return new B(-A*F.y,A*F.x)};D.MulMV=function(A,F){return new B(A.col1.x*F.x+A.col2.x*F.y,A.col1.y*F.x+A.col2.y*F.y)};D.MulTMV=function(A,F){return new B(D.Dot(F,A.col1),D.Dot(F,A.col2))};D.MulX=function(F,G){var A=D.MulMV(F.R,G);A.x+=F.position.x;A.y+=F.position.y;return A};D.MulXT=function(G,K){var F=D.SubtractVV(K,G.position),A=F.x*G.R.col1.x+F.y*G.R.col1.y;F.y=F.x*G.R.col2.x+F.y*G.R.col2.y;F.x=A;return F};D.AddVV=function(A,F){return new B(A.x+F.x,A.y+F.y)};D.SubtractVV=function(A,F){return new B(A.x-F.x,A.y-F.y)};D.Distance=function(G,K){var F=G.x-K.x,A=G.y-K.y;return Math.sqrt(F*F+A*A)};D.DistanceSquared=function(G,K){var F=G.x-K.x,A=G.y-K.y;return F*F+A*A};D.MulFV=function(A,F){if(A===undefined){A=0}return new B(A*F.x,A*F.y)};D.AddMM=function(A,F){return I.FromVV(D.AddVV(A.col1,F.col1),D.AddVV(A.col2,F.col2))};D.MulMM=function(A,F){return I.FromVV(D.MulMV(A,F.col1),D.MulMV(A,F.col2))};D.MulTMM=function(G,K){var F=new B(D.Dot(G.col1,K.col1),D.Dot(G.col2,K.col1)),A=new B(D.Dot(G.col1,K.col2),D.Dot(G.col2,K.col2));return I.FromVV(F,A)};D.Abs=function(A){if(A===undefined){A=0}return A>0?A:-A};D.AbsV=function(A){return new B(D.Abs(A.x),D.Abs(A.y))};D.AbsM=function(A){return I.FromVV(D.AbsV(A.col1),D.AbsV(A.col2))};D.Min=function(A,F){if(A===undefined){A=0}if(F===undefined){F=0}return A<F?A:F};D.MinV=function(A,F){return new B(D.Min(A.x,F.x),D.Min(A.y,F.y))};D.Max=function(A,F){if(A===undefined){A=0}if(F===undefined){F=0}return A>F?A:F};D.MaxV=function(A,F){return new B(D.Max(A.x,F.x),D.Max(A.y,F.y))};D.Clamp=function(F,G,A){if(F===undefined){F=0}if(G===undefined){G=0}if(A===undefined){A=0}return F<G?G:F>A?A:F};D.ClampV=function(F,G,A){return D.MaxV(G,D.MinV(F,A))};D.Swap=function(F,G){var A=F[0];F[0]=G[0];G[0]=A};D.Random=function(){return Math.random()*2-1};D.RandomRange=function(F,G){if(F===undefined){F=0}if(G===undefined){G=0}var A=Math.random();return A=(G-F)*A+F};D.NextPowerOfTwo=function(A){if(A===undefined){A=0}A|=A>>1&2147483647;A|=A>>2&1073741823;A|=A>>4&268435455;A|=A>>8&16777215;A|=A>>16&65535;return A+1};D.IsPowerOfTwo=function(A){if(A===undefined){A=0}return A>0&&(A&A-1)==0};Box2D.postDefs.push(function(){Box2D.Common.Math.b2Math.b2Vec2_zero=new B(0,0);Box2D.Common.Math.b2Math.b2Mat22_identity=I.FromVV(new B(1,0),new B(0,1));Box2D.Common.Math.b2Math.b2Transform_identity=new C(D.b2Vec2_zero,D.b2Mat22_identity)});J.b2Sweep=function(){this.localCenter=new B;this.c0=new B;this.c=new B};J.prototype.Set=function(A){this.localCenter.SetV(A.localCenter);this.c0.SetV(A.c0);this.c.SetV(A.c);this.a0=A.a0;this.a=A.a;this.t0=A.t0};J.prototype.Copy=function(){var A=new J;A.localCenter.SetV(this.localCenter);A.c0.SetV(this.c0);A.c.SetV(this.c);A.a0=this.a0;A.a=this.a;A.t0=this.t0;return A};J.prototype.GetTransform=function(F,G){if(G===undefined){G=0}F.position.x=(1-G)*this.c0.x+G*this.c.x;F.position.y=(1-G)*this.c0.y+G*this.c.y;F.R.Set((1-G)*this.a0+G*this.a);var A=F.R;F.position.x-=A.col1.x*this.localCenter.x+A.col2.x*this.localCenter.y;F.position.y-=A.col1.y*this.localCenter.x+A.col2.y*this.localCenter.y};J.prototype.Advance=function(A){if(A===undefined){A=0}if(this.t0<A&&1-this.t0>Number.MIN_VALUE){var F=(A-this.t0)/(1-this.t0);this.c0.x=(1-F)*this.c0.x+F*this.c.x;this.c0.y=(1-F)*this.c0.y+F*this.c.y;this.a0=(1-F)*this.a0+F*this.a;this.t0=A}};C.b2Transform=function(){this.position=new B;this.R=new I};C.prototype.b2Transform=function(A,F){if(A===undefined){A=null}if(F===undefined){F=null}if(A){this.position.SetV(A);this.R.SetM(F)}};C.prototype.Initialize=function(A,F){this.position.SetV(A);this.R.SetM(F)};C.prototype.SetIdentity=function(){this.position.SetZero();this.R.SetIdentity()};C.prototype.Set=function(A){this.position.SetV(A.position);this.R.SetM(A.R)};C.prototype.GetAngle=function(){return Math.atan2(this.R.col1.y,this.R.col1.x)};B.b2Vec2=function(){};B.prototype.b2Vec2=function(A,F){if(A===undefined){A=0}if(F===undefined){F=0}this.x=A;this.y=F};B.prototype.SetZero=function(){this.y=this.x=0};B.prototype.Set=function(A,F){if(A===undefined){A=0}if(F===undefined){F=0}this.x=A;this.y=F};B.prototype.SetV=function(A){this.x=A.x;this.y=A.y};B.prototype.GetNegative=function(){return new B(-this.x,-this.y)};B.prototype.NegativeSelf=function(){this.x=-this.x;this.y=-this.y};B.Make=function(A,F){if(A===undefined){A=0}if(F===undefined){F=0}return new B(A,F)};B.prototype.Copy=function(){return new B(this.x,this.y)};B.prototype.Add=function(A){this.x+=A.x;this.y+=A.y};B.prototype.Subtract=function(A){this.x-=A.x;this.y-=A.y};B.prototype.Multiply=function(A){if(A===undefined){A=0}this.x*=A;this.y*=A};B.prototype.MulM=function(A){var F=this.x;this.x=A.col1.x*F+A.col2.x*this.y;this.y=A.col1.y*F+A.col2.y*this.y};B.prototype.MulTM=function(A){var F=D.Dot(this,A.col1);this.y=D.Dot(this,A.col2);this.x=F};B.prototype.CrossVF=function(A){if(A===undefined){A=0}var F=this.x;this.x=A*this.y;this.y=-A*F};B.prototype.CrossFV=function(A){if(A===undefined){A=0}var F=this.x;this.x=-A*this.y;this.y=A*F};B.prototype.MinV=function(A){this.x=this.x<A.x?this.x:A.x;this.y=this.y<A.y?this.y:A.y};B.prototype.MaxV=function(A){this.x=this.x>A.x?this.x:A.x;this.y=this.y>A.y?this.y:A.y};B.prototype.Abs=function(){if(this.x<0){this.x=-this.x}if(this.y<0){this.y=-this.y}};B.prototype.Length=function(){return Math.sqrt(this.x*this.x+this.y*this.y)};B.prototype.LengthSquared=function(){return this.x*this.x+this.y*this.y};B.prototype.Normalize=function(){var A=Math.sqrt(this.x*this.x+this.y*this.y);if(A<Number.MIN_VALUE){return 0}var F=1/A;this.x*=F;this.y*=F;return A};B.prototype.IsValid=function(){return D.IsValid(this.x)&&D.IsValid(this.y)};E.b2Vec3=function(){};E.prototype.b2Vec3=function(F,G,A){if(F===undefined){F=0}if(G===undefined){G=0}if(A===undefined){A=0}this.x=F;this.y=G;this.z=A};E.prototype.SetZero=function(){this.x=this.y=this.z=0};E.prototype.Set=function(F,G,A){if(F===undefined){F=0}if(G===undefined){G=0}if(A===undefined){A=0}this.x=F;this.y=G;this.z=A};E.prototype.SetV=function(A){this.x=A.x;this.y=A.y;this.z=A.z};E.prototype.GetNegative=function(){return new E(-this.x,-this.y,-this.z)};E.prototype.NegativeSelf=function(){this.x=-this.x;this.y=-this.y;this.z=-this.z};E.prototype.Copy=function(){return new E(this.x,this.y,this.z)};E.prototype.Add=function(A){this.x+=A.x;this.y+=A.y;this.z+=A.z};E.prototype.Subtract=function(A){this.x-=A.x;this.y-=A.y;this.z-=A.z};E.prototype.Multiply=function(A){if(A===undefined){A=0}this.x*=A;this.y*=A;this.z*=A}})();(function(){var AG=Box2D.Common.Math.b2Math,AE=Box2D.Common.Math.b2Sweep,x=Box2D.Common.Math.b2Transform,AA=Box2D.Common.Math.b2Vec2,AD=Box2D.Common.b2Color,AL=Box2D.Common.b2Settings,X=Box2D.Collision.b2AABB,AM=Box2D.Collision.b2ContactPoint,AK=Box2D.Collision.b2DynamicTreeBroadPhase,f=Box2D.Collision.b2RayCastInput,T=Box2D.Collision.b2RayCastOutput,r=Box2D.Collision.Shapes.b2CircleShape,s=Box2D.Collision.Shapes.b2EdgeShape,AB=Box2D.Collision.Shapes.b2MassData,P=Box2D.Collision.Shapes.b2PolygonShape,J=Box2D.Collision.Shapes.b2Shape,AQ=Box2D.Dynamics.b2Body,t=Box2D.Dynamics.b2BodyDef,AF=Box2D.Dynamics.b2ContactFilter,AI=Box2D.Dynamics.b2ContactImpulse,AC=Box2D.Dynamics.b2ContactListener,g=Box2D.Dynamics.b2ContactManager,AH=Box2D.Dynamics.b2DebugDraw,e=Box2D.Dynamics.b2DestructionListener,m=Box2D.Dynamics.b2FilterData,b=Box2D.Dynamics.b2Fixture,AU=Box2D.Dynamics.b2FixtureDef,C=Box2D.Dynamics.b2Island,AT=Box2D.Dynamics.b2TimeStep,AS=Box2D.Dynamics.b2World,AP=Box2D.Dynamics.Contacts.b2Contact,AR=Box2D.Dynamics.Contacts.b2ContactFactory,AN=Box2D.Dynamics.Contacts.b2ContactSolver,AJ=Box2D.Dynamics.Joints.b2Joint,AO=Box2D.Dynamics.Joints.b2PulleyJoint;AQ.b2Body=function(){this.m_xf=new x;this.m_sweep=new AE;this.m_linearVelocity=new AA;this.m_force=new AA};AQ.prototype.connectEdges=function(B,G,D){if(D===undefined){D=0}var A=Math.atan2(G.GetDirectionVector().y,G.GetDirectionVector().x);D=AG.MulFV(Math.tan((A-D)*0.5),G.GetDirectionVector());D=AG.SubtractVV(D,G.GetNormalVector());D=AG.MulFV(AL.b2_toiSlop,D);D=AG.AddVV(D,G.GetVertex1());var F=AG.AddVV(B.GetDirectionVector(),G.GetDirectionVector());F.Normalize();var E=AG.Dot(B.GetDirectionVector(),G.GetNormalVector())>0;B.SetNextEdge(G,D,F,E);G.SetPrevEdge(B,D,F,E);return A};AQ.prototype.CreateFixture=function(A){if(this.m_world.IsLocked()==true){return null}var B=new b;B.Create(this,this.m_xf,A);this.m_flags&AQ.e_activeFlag&&B.CreateProxy(this.m_world.m_contactManager.m_broadPhase,this.m_xf);B.m_next=this.m_fixtureList;this.m_fixtureList=B;++this.m_fixtureCount;B.m_body=this;B.m_density>0&&this.ResetMassData();this.m_world.m_flags|=AS.e_newFixture;return B};AQ.prototype.CreateFixture2=function(A,D){if(D===undefined){D=0}var B=new AU;B.shape=A;B.density=D;return this.CreateFixture(B)};AQ.prototype.DestroyFixture=function(B){if(this.m_world.IsLocked()!=true){for(var F=this.m_fixtureList,D=null;F!=null;){if(F==B){if(D){D.m_next=B.m_next}else{this.m_fixtureList=B.m_next}break}D=F;F=F.m_next}for(F=this.m_contactList;F;){D=F.contact;F=F.next;var A=D.GetFixtureA(),E=D.GetFixtureB();if(B==A||B==E){this.m_world.m_contactManager.Destroy(D)}}this.m_flags&AQ.e_activeFlag&&B.DestroyProxy(this.m_world.m_contactManager.m_broadPhase);B.Destroy();B.m_body=null;B.m_next=null;--this.m_fixtureCount;this.ResetMassData()}};AQ.prototype.SetPositionAndAngle=function(B,E){if(E===undefined){E=0}var D;if(this.m_world.IsLocked()!=true){this.m_xf.R.Set(E);this.m_xf.position.SetV(B);D=this.m_xf.R;var A=this.m_sweep.localCenter;this.m_sweep.c.x=D.col1.x*A.x+D.col2.x*A.y;this.m_sweep.c.y=D.col1.y*A.x+D.col2.y*A.y;this.m_sweep.c.x+=this.m_xf.position.x;this.m_sweep.c.y+=this.m_xf.position.y;this.m_sweep.c0.SetV(this.m_sweep.c);this.m_sweep.a0=this.m_sweep.a=E;A=this.m_world.m_contactManager.m_broadPhase;for(D=this.m_fixtureList;D;D=D.m_next){D.Synchronize(A,this.m_xf,this.m_xf)}this.m_world.m_contactManager.FindNewContacts()}};AQ.prototype.SetTransform=function(A){this.SetPositionAndAngle(A.position,A.GetAngle())};AQ.prototype.GetTransform=function(){return this.m_xf};AQ.prototype.GetPosition=function(){return this.m_xf.position};AQ.prototype.SetPosition=function(A){this.SetPositionAndAngle(A,this.GetAngle())};AQ.prototype.GetAngle=function(){return this.m_sweep.a};AQ.prototype.SetAngle=function(A){if(A===undefined){A=0}this.SetPositionAndAngle(this.GetPosition(),A)};AQ.prototype.GetWorldCenter=function(){return this.m_sweep.c};AQ.prototype.GetLocalCenter=function(){return this.m_sweep.localCenter};AQ.prototype.SetLinearVelocity=function(A){this.m_type!=AQ.b2_staticBody&&this.m_linearVelocity.SetV(A)};AQ.prototype.GetLinearVelocity=function(){return this.m_linearVelocity};AQ.prototype.SetAngularVelocity=function(A){if(A===undefined){A=0}if(this.m_type!=AQ.b2_staticBody){this.m_angularVelocity=A}};AQ.prototype.GetAngularVelocity=function(){return this.m_angularVelocity};AQ.prototype.GetDefinition=function(){var A=new t;A.type=this.GetType();A.allowSleep=(this.m_flags&AQ.e_allowSleepFlag)==AQ.e_allowSleepFlag;A.angle=this.GetAngle();A.angularDamping=this.m_angularDamping;A.angularVelocity=this.m_angularVelocity;A.fixedRotation=(this.m_flags&AQ.e_fixedRotationFlag)==AQ.e_fixedRotationFlag;A.bullet=(this.m_flags&AQ.e_bulletFlag)==AQ.e_bulletFlag;A.awake=(this.m_flags&AQ.e_awakeFlag)==AQ.e_awakeFlag;A.linearDamping=this.m_linearDamping;A.linearVelocity.SetV(this.GetLinearVelocity());A.position=this.GetPosition();A.userData=this.GetUserData();return A};AQ.prototype.ApplyForce=function(A,B){if(this.m_type==AQ.b2_dynamicBody){this.IsAwake()==false&&this.SetAwake(true);this.m_force.x+=A.x;this.m_force.y+=A.y;this.m_torque+=(B.x-this.m_sweep.c.x)*A.y-(B.y-this.m_sweep.c.y)*A.x}};AQ.prototype.ApplyTorque=function(A){if(A===undefined){A=0}if(this.m_type==AQ.b2_dynamicBody){this.IsAwake()==false&&this.SetAwake(true);this.m_torque+=A}};AQ.prototype.ApplyImpulse=function(A,B){if(this.m_type==AQ.b2_dynamicBody){this.IsAwake()==false&&this.SetAwake(true);this.m_linearVelocity.x+=this.m_invMass*A.x;this.m_linearVelocity.y+=this.m_invMass*A.y;this.m_angularVelocity+=this.m_invI*((B.x-this.m_sweep.c.x)*A.y-(B.y-this.m_sweep.c.y)*A.x)}};AQ.prototype.Split=function(D){for(var I=this.GetLinearVelocity().Copy(),F=this.GetAngularVelocity(),B=this.GetWorldCenter(),H=this.m_world.CreateBody(this.GetDefinition()),G,A=this.m_fixtureList;A;){if(D(A)){var E=A.m_next;if(G){G.m_next=E}else{this.m_fixtureList=E}this.m_fixtureCount--;A.m_next=H.m_fixtureList;H.m_fixtureList=A;H.m_fixtureCount++;A.m_body=H;A=E}else{G=A;A=A.m_next}}this.ResetMassData();H.ResetMassData();G=this.GetWorldCenter();D=H.GetWorldCenter();G=AG.AddVV(I,AG.CrossFV(F,AG.SubtractVV(G,B)));I=AG.AddVV(I,AG.CrossFV(F,AG.SubtractVV(D,B)));this.SetLinearVelocity(G);H.SetLinearVelocity(I);this.SetAngularVelocity(F);H.SetAngularVelocity(F);this.SynchronizeFixtures();H.SynchronizeFixtures();return H};AQ.prototype.Merge=function(B){var F;for(F=B.m_fixtureList;F;){var D=F.m_next;B.m_fixtureCount--;F.m_next=this.m_fixtureList;this.m_fixtureList=F;this.m_fixtureCount++;F.m_body=E;F=D}A.m_fixtureCount=0;var A=this,E=B;A.GetWorldCenter();E.GetWorldCenter();A.GetLinearVelocity().Copy();E.GetLinearVelocity().Copy();A.GetAngularVelocity();E.GetAngularVelocity();A.ResetMassData();this.SynchronizeFixtures()};AQ.prototype.GetMass=function(){return this.m_mass};AQ.prototype.GetInertia=function(){return this.m_I};AQ.prototype.GetMassData=function(A){A.mass=this.m_mass;A.I=this.m_I;A.center.SetV(this.m_sweep.localCenter)};AQ.prototype.SetMassData=function(A){AL.b2Assert(this.m_world.IsLocked()==false);if(this.m_world.IsLocked()!=true){if(this.m_type==AQ.b2_dynamicBody){this.m_invI=this.m_I=this.m_invMass=0;this.m_mass=A.mass;if(this.m_mass<=0){this.m_mass=1}this.m_invMass=1/this.m_mass;if(A.I>0&&(this.m_flags&AQ.e_fixedRotationFlag)==0){this.m_I=A.I-this.m_mass*(A.center.x*A.center.x+A.center.y*A.center.y);this.m_invI=1/this.m_I}var B=this.m_sweep.c.Copy();this.m_sweep.localCenter.SetV(A.center);this.m_sweep.c0.SetV(AG.MulX(this.m_xf,this.m_sweep.localCenter));this.m_sweep.c.SetV(this.m_sweep.c0);this.m_linearVelocity.x+=this.m_angularVelocity*-(this.m_sweep.c.y-B.y);this.m_linearVelocity.y+=this.m_angularVelocity*+(this.m_sweep.c.x-B.x)}}};AQ.prototype.ResetMassData=function(){this.m_invI=this.m_I=this.m_invMass=this.m_mass=0;this.m_sweep.localCenter.SetZero();if(!(this.m_type==AQ.b2_staticBody||this.m_type==AQ.b2_kinematicBody)){for(var A=AA.Make(0,0),D=this.m_fixtureList;D;D=D.m_next){if(D.m_density!=0){var B=D.GetMassData();this.m_mass+=B.mass;A.x+=B.center.x*B.mass;A.y+=B.center.y*B.mass;this.m_I+=B.I}}if(this.m_mass>0){this.m_invMass=1/this.m_mass;A.x*=this.m_invMass;A.y*=this.m_invMass}else{this.m_invMass=this.m_mass=1}if(this.m_I>0&&(this.m_flags&AQ.e_fixedRotationFlag)==0){this.m_I-=this.m_mass*(A.x*A.x+A.y*A.y);this.m_I*=this.m_inertiaScale;AL.b2Assert(this.m_I>0);this.m_invI=1/this.m_I}else{this.m_invI=this.m_I=0}D=this.m_sweep.c.Copy();this.m_sweep.localCenter.SetV(A);this.m_sweep.c0.SetV(AG.MulX(this.m_xf,this.m_sweep.localCenter));this.m_sweep.c.SetV(this.m_sweep.c0);this.m_linearVelocity.x+=this.m_angularVelocity*-(this.m_sweep.c.y-D.y);this.m_linearVelocity.y+=this.m_angularVelocity*+(this.m_sweep.c.x-D.x)}};AQ.prototype.GetWorldPoint=function(A){var B=this.m_xf.R;A=new AA(B.col1.x*A.x+B.col2.x*A.y,B.col1.y*A.x+B.col2.y*A.y);A.x+=this.m_xf.position.x;A.y+=this.m_xf.position.y;return A};AQ.prototype.GetWorldVector=function(A){return AG.MulMV(this.m_xf.R,A)};AQ.prototype.GetLocalPoint=function(A){return AG.MulXT(this.m_xf,A)};AQ.prototype.GetLocalVector=function(A){return AG.MulTMV(this.m_xf.R,A)};AQ.prototype.GetLinearVelocityFromWorldPoint=function(A){return new AA(this.m_linearVelocity.x-this.m_angularVelocity*(A.y-this.m_sweep.c.y),this.m_linearVelocity.y+this.m_angularVelocity*(A.x-this.m_sweep.c.x))};AQ.prototype.GetLinearVelocityFromLocalPoint=function(A){var B=this.m_xf.R;A=new AA(B.col1.x*A.x+B.col2.x*A.y,B.col1.y*A.x+B.col2.y*A.y);A.x+=this.m_xf.position.x;A.y+=this.m_xf.position.y;return new AA(this.m_linearVelocity.x-this.m_angularVelocity*(A.y-this.m_sweep.c.y),this.m_linearVelocity.y+this.m_angularVelocity*(A.x-this.m_sweep.c.x))};AQ.prototype.GetLinearDamping=function(){return this.m_linearDamping};AQ.prototype.SetLinearDamping=function(A){if(A===undefined){A=0}this.m_linearDamping=A};AQ.prototype.GetAngularDamping=function(){return this.m_angularDamping};AQ.prototype.SetAngularDamping=function(A){if(A===undefined){A=0}this.m_angularDamping=A};AQ.prototype.SetType=function(A){if(A===undefined){A=0}if(this.m_type!=A){this.m_type=A;this.ResetMassData();if(this.m_type==AQ.b2_staticBody){this.m_linearVelocity.SetZero();this.m_angularVelocity=0}this.SetAwake(true);this.m_force.SetZero();this.m_torque=0;for(A=this.m_contactList;A;A=A.next){A.contact.FlagForFiltering()}}};AQ.prototype.GetType=function(){return this.m_type};AQ.prototype.SetBullet=function(A){if(A){this.m_flags|=AQ.e_bulletFlag}else{this.m_flags&=~AQ.e_bulletFlag}};AQ.prototype.IsBullet=function(){return(this.m_flags&AQ.e_bulletFlag)==AQ.e_bulletFlag};AQ.prototype.SetSleepingAllowed=function(A){if(A){this.m_flags|=AQ.e_allowSleepFlag}else{this.m_flags&=~AQ.e_allowSleepFlag;this.SetAwake(true)}};AQ.prototype.SetAwake=function(A){if(A){this.m_flags|=AQ.e_awakeFlag;this.m_sleepTime=0}else{this.m_flags&=~AQ.e_awakeFlag;this.m_sleepTime=0;this.m_linearVelocity.SetZero();this.m_angularVelocity=0;this.m_force.SetZero();this.m_torque=0}};AQ.prototype.IsAwake=function(){return(this.m_flags&AQ.e_awakeFlag)==AQ.e_awakeFlag};AQ.prototype.SetFixedRotation=function(A){if(A){this.m_flags|=AQ.e_fixedRotationFlag}else{this.m_flags&=~AQ.e_fixedRotationFlag}this.ResetMassData()};AQ.prototype.IsFixedRotation=function(){return(this.m_flags&AQ.e_fixedRotationFlag)==AQ.e_fixedRotationFlag};AQ.prototype.SetActive=function(A){if(A!=this.IsActive()){var B;if(A){this.m_flags|=AQ.e_activeFlag;A=this.m_world.m_contactManager.m_broadPhase;for(B=this.m_fixtureList;B;B=B.m_next){B.CreateProxy(A,this.m_xf)}}else{this.m_flags&=~AQ.e_activeFlag;A=this.m_world.m_contactManager.m_broadPhase;for(B=this.m_fixtureList;B;B=B.m_next){B.DestroyProxy(A)}for(A=this.m_contactList;A;){B=A;A=A.next;this.m_world.m_contactManager.Destroy(B.contact)}this.m_contactList=null}}};AQ.prototype.IsActive=function(){return(this.m_flags&AQ.e_activeFlag)==AQ.e_activeFlag};AQ.prototype.IsSleepingAllowed=function(){return(this.m_flags&AQ.e_allowSleepFlag)==AQ.e_allowSleepFlag};AQ.prototype.GetFixtureList=function(){return this.m_fixtureList};AQ.prototype.GetJointList=function(){return this.m_jointList};AQ.prototype.GetControllerList=function(){return this.m_controllerList};AQ.prototype.GetContactList=function(){return this.m_contactList};AQ.prototype.GetNext=function(){return this.m_next};AQ.prototype.GetUserData=function(){return this.m_userData};AQ.prototype.SetUserData=function(A){this.m_userData=A};AQ.prototype.GetWorld=function(){return this.m_world};AQ.prototype.b2Body=function(B,E){this.m_flags=0;if(B.bullet){this.m_flags|=AQ.e_bulletFlag}if(B.fixedRotation){this.m_flags|=AQ.e_fixedRotationFlag}if(B.allowSleep){this.m_flags|=AQ.e_allowSleepFlag}if(B.awake){this.m_flags|=AQ.e_awakeFlag}if(B.active){this.m_flags|=AQ.e_activeFlag}this.m_world=E;this.m_xf.position.SetV(B.position);this.m_xf.R.Set(B.angle);this.m_sweep.localCenter.SetZero();this.m_sweep.t0=1;this.m_sweep.a0=this.m_sweep.a=B.angle;var D=this.m_xf.R,A=this.m_sweep.localCenter;this.m_sweep.c.x=D.col1.x*A.x+D.col2.x*A.y;this.m_sweep.c.y=D.col1.y*A.x+D.col2.y*A.y;this.m_sweep.c.x+=this.m_xf.position.x;this.m_sweep.c.y+=this.m_xf.position.y;this.m_sweep.c0.SetV(this.m_sweep.c);this.m_contactList=this.m_controllerList=this.m_jointList=null;this.m_controllerCount=0;this.m_next=this.m_prev=null;this.m_linearVelocity.SetV(B.linearVelocity);this.m_angularVelocity=B.angularVelocity;this.m_linearDamping=B.linearDamping;this.m_angularDamping=B.angularDamping;this.m_force.Set(0,0);this.m_sleepTime=this.m_torque=0;this.m_type=B.type;if(this.m_type==AQ.b2_dynamicBody){this.m_invMass=this.m_mass=1}else{this.m_invMass=this.m_mass=0}this.m_invI=this.m_I=0;this.m_inertiaScale=B.inertiaScale;this.m_userData=B.userData;this.m_fixtureList=null;this.m_fixtureCount=0};AQ.prototype.SynchronizeFixtures=function(){var A=AQ.s_xf1;A.R.Set(this.m_sweep.a0);var D=A.R,B=this.m_sweep.localCenter;A.position.x=this.m_sweep.c0.x-(D.col1.x*B.x+D.col2.x*B.y);A.position.y=this.m_sweep.c0.y-(D.col1.y*B.x+D.col2.y*B.y);B=this.m_world.m_contactManager.m_broadPhase;for(D=this.m_fixtureList;D;D=D.m_next){D.Synchronize(B,A,this.m_xf)}};AQ.prototype.SynchronizeTransform=function(){this.m_xf.R.Set(this.m_sweep.a);var A=this.m_xf.R,B=this.m_sweep.localCenter;this.m_xf.position.x=this.m_sweep.c.x-(A.col1.x*B.x+A.col2.x*B.y);this.m_xf.position.y=this.m_sweep.c.y-(A.col1.y*B.x+A.col2.y*B.y)};AQ.prototype.ShouldCollide=function(A){if(this.m_type!=AQ.b2_dynamicBody&&A.m_type!=AQ.b2_dynamicBody){return false}for(var B=this.m_jointList;B;B=B.next){if(B.other==A){if(B.joint.m_collideConnected==false){return false}}}return true};AQ.prototype.Advance=function(A){if(A===undefined){A=0}this.m_sweep.Advance(A);this.m_sweep.c.SetV(this.m_sweep.c0);this.m_sweep.a=this.m_sweep.a0;this.SynchronizeTransform()};Box2D.postDefs.push(function(){Box2D.Dynamics.b2Body.s_xf1=new x;Box2D.Dynamics.b2Body.e_islandFlag=1;Box2D.Dynamics.b2Body.e_awakeFlag=2;Box2D.Dynamics.b2Body.e_allowSleepFlag=4;Box2D.Dynamics.b2Body.e_bulletFlag=8;Box2D.Dynamics.b2Body.e_fixedRotationFlag=16;Box2D.Dynamics.b2Body.e_activeFlag=32;Box2D.Dynamics.b2Body.b2_staticBody=0;Box2D.Dynamics.b2Body.b2_kinematicBody=1;Box2D.Dynamics.b2Body.b2_dynamicBody=2});t.b2BodyDef=function(){this.position=new AA;this.linearVelocity=new AA};t.prototype.b2BodyDef=function(){this.userData=null;this.position.Set(0,0);this.angle=0;this.linearVelocity.Set(0,0);this.angularDamping=this.linearDamping=this.angularVelocity=0;this.awake=this.allowSleep=true;this.bullet=this.fixedRotation=false;this.type=AQ.b2_staticBody;this.active=true;this.inertiaScale=1};AF.b2ContactFilter=function(){};AF.prototype.ShouldCollide=function(B,E){var D=B.GetFilterData(),A=E.GetFilterData();if(D.groupIndex==A.groupIndex&&D.groupIndex!=0){return D.groupIndex>0}return(D.maskBits&A.categoryBits)!=0&&(D.categoryBits&A.maskBits)!=0};AF.prototype.RayCollide=function(A,B){if(!A){return true}return this.ShouldCollide(A instanceof b?A:null,B)};Box2D.postDefs.push(function(){Box2D.Dynamics.b2ContactFilter.b2_defaultFilter=new AF});AI.b2ContactImpulse=function(){this.normalImpulses=new Vector_a2j_Number(AL.b2_maxManifoldPoints);this.tangentImpulses=new Vector_a2j_Number(AL.b2_maxManifoldPoints)};AC.b2ContactListener=function(){};AC.prototype.BeginContact=function(){};AC.prototype.EndContact=function(){};AC.prototype.PreSolve=function(){};AC.prototype.PostSolve=function(){};Box2D.postDefs.push(function(){Box2D.Dynamics.b2ContactListener.b2_defaultListener=new AC});g.b2ContactManager=function(){};g.prototype.b2ContactManager=function(){this.m_world=null;this.m_contactCount=0;this.m_contactFilter=AF.b2_defaultFilter;this.m_contactListener=AC.b2_defaultListener;this.m_contactFactory=new AR(this.m_allocator);this.m_broadPhase=new AK};g.prototype.AddPair=function(I,G){var D=I instanceof b?I:null,H=G instanceof b?G:null,F=D.GetBody(),E=H.GetBody();if(F!=E){for(var B=E.GetContactList();B;){if(B.other==F){var A=B.contact.GetFixtureA(),K=B.contact.GetFixtureB();if(A==D&&K==H){return}if(A==H&&K==D){return}}B=B.next}if(E.ShouldCollide(F)!=false){if(this.m_contactFilter.ShouldCollide(D,H)!=false){B=this.m_contactFactory.Create(D,H);D=B.GetFixtureA();H=B.GetFixtureB();F=D.m_body;E=H.m_body;B.m_prev=null;B.m_next=this.m_world.m_contactList;if(this.m_world.m_contactList!=null){this.m_world.m_contactList.m_prev=B}this.m_world.m_contactList=B;B.m_nodeA.contact=B;B.m_nodeA.other=E;B.m_nodeA.prev=null;B.m_nodeA.next=F.m_contactList;if(F.m_contactList!=null){F.m_contactList.prev=B.m_nodeA}F.m_contactList=B.m_nodeA;B.m_nodeB.contact=B;B.m_nodeB.other=F;B.m_nodeB.prev=null;B.m_nodeB.next=E.m_contactList;if(E.m_contactList!=null){E.m_contactList.prev=B.m_nodeB}E.m_contactList=B.m_nodeB;++this.m_world.m_contactCount}}}};g.prototype.FindNewContacts=function(){this.m_broadPhase.UpdatePairs(Box2D.generateCallback(this,this.AddPair))};g.prototype.Destroy=function(A){var D=A.GetFixtureA(),B=A.GetFixtureB();D=D.GetBody();B=B.GetBody();A.IsTouching()&&this.m_contactListener.EndContact(A);if(A.m_prev){A.m_prev.m_next=A.m_next}if(A.m_next){A.m_next.m_prev=A.m_prev}if(A==this.m_world.m_contactList){this.m_world.m_contactList=A.m_next}if(A.m_nodeA.prev){A.m_nodeA.prev.next=A.m_nodeA.next}if(A.m_nodeA.next){A.m_nodeA.next.prev=A.m_nodeA.prev}if(A.m_nodeA==D.m_contactList){D.m_contactList=A.m_nodeA.next}if(A.m_nodeB.prev){A.m_nodeB.prev.next=A.m_nodeB.next}if(A.m_nodeB.next){A.m_nodeB.next.prev=A.m_nodeB.prev}if(A.m_nodeB==B.m_contactList){B.m_contactList=A.m_nodeB.next}this.m_contactFactory.Destroy(A);--this.m_contactCount};g.prototype.Collide=function(){for(var B=this.m_world.m_contactList;B;){var F=B.GetFixtureA(),D=B.GetFixtureB(),A=F.GetBody(),E=D.GetBody();if(A.IsAwake()==false&&E.IsAwake()==false){B=B.GetNext()}else{if(B.m_flags&AP.e_filterFlag){if(E.ShouldCollide(A)==false){F=B;B=F.GetNext();this.Destroy(F);continue}if(this.m_contactFilter.ShouldCollide(F,D)==false){F=B;B=F.GetNext();this.Destroy(F);continue}B.m_flags&=~AP.e_filterFlag}if(this.m_broadPhase.TestOverlap(F.m_proxy,D.m_proxy)==false){F=B;B=F.GetNext();this.Destroy(F)}else{B.Update(this.m_contactListener);B=B.GetNext()}}}};Box2D.postDefs.push(function(){Box2D.Dynamics.b2ContactManager.s_evalCP=new AM});AH.b2DebugDraw=function(){};AH.prototype.b2DebugDraw=function(){};AH.prototype.SetFlags=function(){};AH.prototype.GetFlags=function(){};AH.prototype.AppendFlags=function(){};AH.prototype.ClearFlags=function(){};AH.prototype.SetSprite=function(){};AH.prototype.GetSprite=function(){};AH.prototype.SetDrawScale=function(){};AH.prototype.GetDrawScale=function(){};AH.prototype.SetLineThickness=function(){};AH.prototype.GetLineThickness=function(){};AH.prototype.SetAlpha=function(){};AH.prototype.GetAlpha=function(){};AH.prototype.SetFillAlpha=function(){};AH.prototype.GetFillAlpha=function(){};AH.prototype.SetXFormScale=function(){};AH.prototype.GetXFormScale=function(){};AH.prototype.DrawPolygon=function(){};AH.prototype.DrawSolidPolygon=function(){};AH.prototype.DrawCircle=function(){};AH.prototype.DrawSolidCircle=function(){};AH.prototype.DrawSegment=function(){};AH.prototype.DrawTransform=function(){};Box2D.postDefs.push(function(){Box2D.Dynamics.b2DebugDraw.e_shapeBit=1;Box2D.Dynamics.b2DebugDraw.e_jointBit=2;Box2D.Dynamics.b2DebugDraw.e_aabbBit=4;Box2D.Dynamics.b2DebugDraw.e_pairBit=8;Box2D.Dynamics.b2DebugDraw.e_centerOfMassBit=16;Box2D.Dynamics.b2DebugDraw.e_controllerBit=32});e.b2DestructionListener=function(){};e.prototype.SayGoodbyeJoint=function(){};e.prototype.SayGoodbyeFixture=function(){};m.b2FilterData=function(){this.categoryBits=1;this.maskBits=65535;this.groupIndex=0};m.prototype.Copy=function(){var A=new m;A.categoryBits=this.categoryBits;A.maskBits=this.maskBits;A.groupIndex=this.groupIndex;return A};b.b2Fixture=function(){this.m_filter=new m};b.prototype.GetType=function(){return this.m_shape.GetType()};b.prototype.GetShape=function(){return this.m_shape};b.prototype.SetSensor=function(B){if(this.m_isSensor!=B){this.m_isSensor=B;if(this.m_body!=null){for(B=this.m_body.GetContactList();B;){var E=B.contact,D=E.GetFixtureA(),A=E.GetFixtureB();if(D==this||A==this){E.SetSensor(D.IsSensor()||A.IsSensor())}B=B.next}}}};b.prototype.IsSensor=function(){return this.m_isSensor};b.prototype.SetFilterData=function(B){this.m_filter=B.Copy();if(!this.m_body){for(B=this.m_body.GetContactList();B;){var E=B.contact,D=E.GetFixtureA(),A=E.GetFixtureB();if(D==this||A==this){E.FlagForFiltering()}B=B.next}}};b.prototype.GetFilterData=function(){return this.m_filter.Copy()};b.prototype.GetBody=function(){return this.m_body};b.prototype.GetNext=function(){return this.m_next};b.prototype.GetUserData=function(){return this.m_userData};b.prototype.SetUserData=function(A){this.m_userData=A};b.prototype.TestPoint=function(A){return this.m_shape.TestPoint(this.m_body.GetTransform(),A)};b.prototype.RayCast=function(A,B){return this.m_shape.RayCast(A,B,this.m_body.GetTransform())};b.prototype.GetMassData=function(A){if(A===undefined){A=null}if(A==null){A=new AB}this.m_shape.ComputeMass(A,this.m_density);return A};b.prototype.SetDensity=function(A){if(A===undefined){A=0}this.m_density=A};b.prototype.GetDensity=function(){return this.m_density};b.prototype.GetFriction=function(){return this.m_friction};b.prototype.SetFriction=function(A){if(A===undefined){A=0}this.m_friction=A};b.prototype.GetRestitution=function(){return this.m_restitution};b.prototype.SetRestitution=function(A){if(A===undefined){A=0}this.m_restitution=A};b.prototype.GetAABB=function(){return this.m_aabb};b.prototype.b2Fixture=function(){this.m_aabb=new X;this.m_shape=this.m_next=this.m_body=this.m_userData=null;this.m_restitution=this.m_friction=this.m_density=0};b.prototype.Create=function(A,D,B){this.m_userData=B.userData;this.m_friction=B.friction;this.m_restitution=B.restitution;this.m_body=A;this.m_next=null;this.m_filter=B.filter.Copy();this.m_isSensor=B.isSensor;this.m_shape=B.shape.Copy();this.m_density=B.density};b.prototype.Destroy=function(){this.m_shape=null};b.prototype.CreateProxy=function(A,B){this.m_shape.ComputeAABB(this.m_aabb,B);this.m_proxy=A.CreateProxy(this.m_aabb,this)};b.prototype.DestroyProxy=function(A){if(this.m_proxy!=null){A.DestroyProxy(this.m_proxy);this.m_proxy=null}};b.prototype.Synchronize=function(B,F,D){if(this.m_proxy){var A=new X,E=new X;this.m_shape.ComputeAABB(A,F);this.m_shape.ComputeAABB(E,D);this.m_aabb.Combine(A,E);F=AG.SubtractVV(D.position,F.position);B.MoveProxy(this.m_proxy,this.m_aabb,F)}};AU.b2FixtureDef=function(){this.filter=new m};AU.prototype.b2FixtureDef=function(){this.userData=this.shape=null;this.friction=0.2;this.density=this.restitution=0;this.filter.categoryBits=1;this.filter.maskBits=65535;this.filter.groupIndex=0;this.isSensor=false};C.b2Island=function(){};C.prototype.b2Island=function(){this.m_bodies=new Vector;this.m_contacts=new Vector;this.m_joints=new Vector};C.prototype.Initialize=function(D,H,E,B,G,F){if(D===undefined){D=0}if(H===undefined){H=0}if(E===undefined){E=0}var A=0;this.m_bodyCapacity=D;this.m_contactCapacity=H;this.m_jointCapacity=E;this.m_jointCount=this.m_contactCount=this.m_bodyCount=0;this.m_allocator=B;this.m_listener=G;this.m_contactSolver=F;for(A=this.m_bodies.length;A<D;A++){this.m_bodies[A]=null}for(A=this.m_contacts.length;A<H;A++){this.m_contacts[A]=null}for(A=this.m_joints.length;A<E;A++){this.m_joints[A]=null}};C.prototype.Clear=function(){this.m_jointCount=this.m_contactCount=this.m_bodyCount=0};C.prototype.Solve=function(D,I,F){var B=0,H=0,G;for(B=0;B<this.m_bodyCount;++B){H=this.m_bodies[B];if(H.GetType()==AQ.b2_dynamicBody){H.m_linearVelocity.x+=D.dt*(I.x+H.m_invMass*H.m_force.x);H.m_linearVelocity.y+=D.dt*(I.y+H.m_invMass*H.m_force.y);H.m_angularVelocity+=D.dt*H.m_invI*H.m_torque;H.m_linearVelocity.Multiply(AG.Clamp(1-D.dt*H.m_linearDamping,0,1));H.m_angularVelocity*=AG.Clamp(1-D.dt*H.m_angularDamping,0,1)}}this.m_contactSolver.Initialize(D,this.m_contacts,this.m_contactCount,this.m_allocator);I=this.m_contactSolver;I.InitVelocityConstraints(D);for(B=0;B<this.m_jointCount;++B){G=this.m_joints[B];G.InitVelocityConstraints(D)}for(B=0;B<D.velocityIterations;++B){for(H=0;H<this.m_jointCount;++H){G=this.m_joints[H];G.SolveVelocityConstraints(D)}I.SolveVelocityConstraints()}for(B=0;B<this.m_jointCount;++B){G=this.m_joints[B];G.FinalizeVelocityConstraints()}I.FinalizeVelocityConstraints();for(B=0;B<this.m_bodyCount;++B){H=this.m_bodies[B];if(H.GetType()!=AQ.b2_staticBody){var A=D.dt*H.m_linearVelocity.x,E=D.dt*H.m_linearVelocity.y;if(A*A+E*E>AL.b2_maxTranslationSquared){H.m_linearVelocity.Normalize();H.m_linearVelocity.x*=AL.b2_maxTranslation*D.inv_dt;H.m_linearVelocity.y*=AL.b2_maxTranslation*D.inv_dt}A=D.dt*H.m_angularVelocity;if(A*A>AL.b2_maxRotationSquared){H.m_angularVelocity=H.m_angularVelocity<0?-AL.b2_maxRotation*D.inv_dt:AL.b2_maxRotation*D.inv_dt}H.m_sweep.c0.SetV(H.m_sweep.c);H.m_sweep.a0=H.m_sweep.a;H.m_sweep.c.x+=D.dt*H.m_linearVelocity.x;H.m_sweep.c.y+=D.dt*H.m_linearVelocity.y;H.m_sweep.a+=D.dt*H.m_angularVelocity;H.SynchronizeTransform()}}for(B=0;B<D.positionIterations;++B){A=I.SolvePositionConstraints(AL.b2_contactBaumgarte);E=true;for(H=0;H<this.m_jointCount;++H){G=this.m_joints[H];G=G.SolvePositionConstraints(AL.b2_contactBaumgarte);E=E&&G}if(A&&E){break}}this.Report(I.m_constraints);if(F){F=Number.MAX_VALUE;I=AL.b2_linearSleepTolerance*AL.b2_linearSleepTolerance;A=AL.b2_angularSleepTolerance*AL.b2_angularSleepTolerance;for(B=0;B<this.m_bodyCount;++B){H=this.m_bodies[B];if(H.GetType()!=AQ.b2_staticBody){if((H.m_flags&AQ.e_allowSleepFlag)==0){F=H.m_sleepTime=0}if((H.m_flags&AQ.e_allowSleepFlag)==0||H.m_angularVelocity*H.m_angularVelocity>A||AG.Dot(H.m_linearVelocity,H.m_linearVelocity)>I){F=H.m_sleepTime=0}else{H.m_sleepTime+=D.dt;F=AG.Min(F,H.m_sleepTime)}}}if(F>=AL.b2_timeToSleep){for(B=0;B<this.m_bodyCount;++B){H=this.m_bodies[B];H.SetAwake(false)}}}};C.prototype.SolveTOI=function(D){var H=0,E=0;this.m_contactSolver.Initialize(D,this.m_contacts,this.m_contactCount,this.m_allocator);var B=this.m_contactSolver;for(H=0;H<this.m_jointCount;++H){this.m_joints[H].InitVelocityConstraints(D)}for(H=0;H<D.velocityIterations;++H){B.SolveVelocityConstraints();for(E=0;E<this.m_jointCount;++E){this.m_joints[E].SolveVelocityConstraints(D)}}for(H=0;H<this.m_bodyCount;++H){E=this.m_bodies[H];if(E.GetType()!=AQ.b2_staticBody){var G=D.dt*E.m_linearVelocity.x,F=D.dt*E.m_linearVelocity.y;if(G*G+F*F>AL.b2_maxTranslationSquared){E.m_linearVelocity.Normalize();E.m_linearVelocity.x*=AL.b2_maxTranslation*D.inv_dt;E.m_linearVelocity.y*=AL.b2_maxTranslation*D.inv_dt}G=D.dt*E.m_angularVelocity;if(G*G>AL.b2_maxRotationSquared){E.m_angularVelocity=E.m_angularVelocity<0?-AL.b2_maxRotation*D.inv_dt:AL.b2_maxRotation*D.inv_dt}E.m_sweep.c0.SetV(E.m_sweep.c);E.m_sweep.a0=E.m_sweep.a;E.m_sweep.c.x+=D.dt*E.m_linearVelocity.x;E.m_sweep.c.y+=D.dt*E.m_linearVelocity.y;E.m_sweep.a+=D.dt*E.m_angularVelocity;E.SynchronizeTransform()}}for(H=0;H<D.positionIterations;++H){G=B.SolvePositionConstraints(0.75);F=true;for(E=0;E<this.m_jointCount;++E){var A=this.m_joints[E].SolvePositionConstraints(AL.b2_contactBaumgarte);F=F&&A}if(G&&F){break}}this.Report(B.m_constraints)};C.prototype.Report=function(B){if(this.m_listener!=null){for(var F=0;F<this.m_contactCount;++F){for(var D=this.m_contacts[F],A=B[F],E=0;E<A.pointCount;++E){C.s_impulse.normalImpulses[E]=A.points[E].normalImpulse;C.s_impulse.tangentImpulses[E]=A.points[E].tangentImpulse}this.m_listener.PostSolve(D,C.s_impulse)}}};C.prototype.AddBody=function(A){A.m_islandIndex=this.m_bodyCount;this.m_bodies[this.m_bodyCount++]=A};C.prototype.AddContact=function(A){this.m_contacts[this.m_contactCount++]=A};C.prototype.AddJoint=function(A){this.m_joints[this.m_jointCount++]=A};Box2D.postDefs.push(function(){Box2D.Dynamics.b2Island.s_impulse=new AI});AT.b2TimeStep=function(){};AT.prototype.Set=function(A){this.dt=A.dt;this.inv_dt=A.inv_dt;this.positionIterations=A.positionIterations;this.velocityIterations=A.velocityIterations;this.warmStarting=A.warmStarting};AS.b2World=function(){this.s_stack=new Vector;this.m_contactManager=new g;this.m_contactSolver=new AN;this.m_island=new C};AS.prototype.b2World=function(A,B){this.m_controllerList=this.m_jointList=this.m_contactList=this.m_bodyList=this.m_debugDraw=this.m_destructionListener=null;this.m_controllerCount=this.m_jointCount=this.m_contactCount=this.m_bodyCount=0;AS.m_warmStarting=true;AS.m_continuousPhysics=true;this.m_allowSleep=B;this.m_gravity=A;this.m_inv_dt0=0;this.m_contactManager.m_world=this;this.m_groundBody=this.CreateBody(new t)};AS.prototype.SetDestructionListener=function(A){this.m_destructionListener=A};AS.prototype.SetContactFilter=function(A){this.m_contactManager.m_contactFilter=A};AS.prototype.SetContactListener=function(A){this.m_contactManager.m_contactListener=A};AS.prototype.SetDebugDraw=function(A){this.m_debugDraw=A};AS.prototype.SetBroadPhase=function(B){var E=this.m_contactManager.m_broadPhase;this.m_contactManager.m_broadPhase=B;for(var D=this.m_bodyList;D;D=D.m_next){for(var A=D.m_fixtureList;A;A=A.m_next){A.m_proxy=B.CreateProxy(E.GetFatAABB(A.m_proxy),A)}}};AS.prototype.Validate=function(){this.m_contactManager.m_broadPhase.Validate()};AS.prototype.GetProxyCount=function(){return this.m_contactManager.m_broadPhase.GetProxyCount()};AS.prototype.CreateBody=function(A){if(this.IsLocked()==true){return null}A=new AQ(A,this);A.m_prev=null;if(A.m_next=this.m_bodyList){this.m_bodyList.m_prev=A}this.m_bodyList=A;++this.m_bodyCount;return A};AS.prototype.DestroyBody=function(A){if(this.IsLocked()!=true){for(var D=A.m_jointList;D;){var B=D;D=D.next;this.m_destructionListener&&this.m_destructionListener.SayGoodbyeJoint(B.joint);this.DestroyJoint(B.joint)}for(D=A.m_controllerList;D;){B=D;D=D.nextController;B.controller.RemoveBody(A)}for(D=A.m_contactList;D;){B=D;D=D.next;this.m_contactManager.Destroy(B.contact)}A.m_contactList=null;for(D=A.m_fixtureList;D;){B=D;D=D.m_next;this.m_destructionListener&&this.m_destructionListener.SayGoodbyeFixture(B);B.DestroyProxy(this.m_contactManager.m_broadPhase);B.Destroy()}A.m_fixtureList=null;A.m_fixtureCount=0;if(A.m_prev){A.m_prev.m_next=A.m_next}if(A.m_next){A.m_next.m_prev=A.m_prev}if(A==this.m_bodyList){this.m_bodyList=A.m_next}--this.m_bodyCount}};AS.prototype.CreateJoint=function(B){var E=AJ.Create(B,null);E.m_prev=null;if(E.m_next=this.m_jointList){this.m_jointList.m_prev=E}this.m_jointList=E;++this.m_jointCount;E.m_edgeA.joint=E;E.m_edgeA.other=E.m_bodyB;E.m_edgeA.prev=null;if(E.m_edgeA.next=E.m_bodyA.m_jointList){E.m_bodyA.m_jointList.prev=E.m_edgeA}E.m_bodyA.m_jointList=E.m_edgeA;E.m_edgeB.joint=E;E.m_edgeB.other=E.m_bodyA;E.m_edgeB.prev=null;if(E.m_edgeB.next=E.m_bodyB.m_jointList){E.m_bodyB.m_jointList.prev=E.m_edgeB}E.m_bodyB.m_jointList=E.m_edgeB;var D=B.bodyA,A=B.bodyB;if(B.collideConnected==false){for(B=A.GetContactList();B;){B.other==D&&B.contact.FlagForFiltering();B=B.next}}return E};AS.prototype.DestroyJoint=function(B){var E=B.m_collideConnected;if(B.m_prev){B.m_prev.m_next=B.m_next}if(B.m_next){B.m_next.m_prev=B.m_prev}if(B==this.m_jointList){this.m_jointList=B.m_next}var D=B.m_bodyA,A=B.m_bodyB;D.SetAwake(true);A.SetAwake(true);if(B.m_edgeA.prev){B.m_edgeA.prev.next=B.m_edgeA.next}if(B.m_edgeA.next){B.m_edgeA.next.prev=B.m_edgeA.prev}if(B.m_edgeA==D.m_jointList){D.m_jointList=B.m_edgeA.next}B.m_edgeA.prev=null;B.m_edgeA.next=null;if(B.m_edgeB.prev){B.m_edgeB.prev.next=B.m_edgeB.next}if(B.m_edgeB.next){B.m_edgeB.next.prev=B.m_edgeB.prev}if(B.m_edgeB==A.m_jointList){A.m_jointList=B.m_edgeB.next}B.m_edgeB.prev=null;B.m_edgeB.next=null;AJ.Destroy(B,null);--this.m_jointCount;if(E==false){for(B=A.GetContactList();B;){B.other==D&&B.contact.FlagForFiltering();B=B.next}}};AS.prototype.AddController=function(A){A.m_next=this.m_controllerList;A.m_prev=null;this.m_controllerList=A;A.m_world=this;this.m_controllerCount++;return A};AS.prototype.RemoveController=function(A){if(A.m_prev){A.m_prev.m_next=A.m_next}if(A.m_next){A.m_next.m_prev=A.m_prev}if(this.m_controllerList==A){this.m_controllerList=A.m_next}this.m_controllerCount--};AS.prototype.CreateController=function(A){if(A.m_world!=this){throw Error("Controller can only be a member of one world")}A.m_next=this.m_controllerList;A.m_prev=null;if(this.m_controllerList){this.m_controllerList.m_prev=A}this.m_controllerList=A;++this.m_controllerCount;A.m_world=this;return A};AS.prototype.DestroyController=function(A){A.Clear();if(A.m_next){A.m_next.m_prev=A.m_prev}if(A.m_prev){A.m_prev.m_next=A.m_next}if(A==this.m_controllerList){this.m_controllerList=A.m_next}--this.m_controllerCount};AS.prototype.SetWarmStarting=function(A){AS.m_warmStarting=A};AS.prototype.SetContinuousPhysics=function(A){AS.m_continuousPhysics=A};AS.prototype.GetBodyCount=function(){return this.m_bodyCount};AS.prototype.GetJointCount=function(){return this.m_jointCount};AS.prototype.GetContactCount=function(){return this.m_contactCount};AS.prototype.SetGravity=function(A){this.m_gravity=A};AS.prototype.GetGravity=function(){return this.m_gravity};AS.prototype.GetGroundBody=function(){return this.m_groundBody};AS.prototype.Step=function(B,E,D){if(B===undefined){B=0}if(E===undefined){E=0}if(D===undefined){D=0}if(this.m_flags&AS.e_newFixture){this.m_contactManager.FindNewContacts();this.m_flags&=~AS.e_newFixture}this.m_flags|=AS.e_locked;var A=AS.s_timestep2;A.dt=B;A.velocityIterations=E;A.positionIterations=D;A.inv_dt=B>0?1/B:0;A.dtRatio=this.m_inv_dt0*B;A.warmStarting=AS.m_warmStarting;this.m_contactManager.Collide();A.dt>0&&this.Solve(A);AS.m_continuousPhysics&&A.dt>0&&this.SolveTOI(A);if(A.dt>0){this.m_inv_dt0=A.inv_dt}this.m_flags&=~AS.e_locked};AS.prototype.ClearForces=function(){for(var A=this.m_bodyList;A;A=A.m_next){A.m_force.SetZero();A.m_torque=0}};AS.prototype.DrawDebugData=function(){if(this.m_debugDraw!=null){this.m_debugDraw.m_sprite.graphics.clear();var D=this.m_debugDraw.GetFlags(),H,E,B;new AA;new AA;new AA;var G;new X;new X;G=[new AA,new AA,new AA,new AA];var F=new AD(0,0,0);if(D&AH.e_shapeBit){for(H=this.m_bodyList;H;H=H.m_next){G=H.m_xf;for(E=H.GetFixtureList();E;E=E.m_next){B=E.GetShape();if(H.IsActive()==false){F.Set(0.5,0.5,0.3)}else{if(H.GetType()==AQ.b2_staticBody){F.Set(0.5,0.9,0.5)}else{if(H.GetType()==AQ.b2_kinematicBody){F.Set(0.5,0.5,0.9)}else{H.IsAwake()==false?F.Set(0.6,0.6,0.6):F.Set(0.9,0.7,0.7)}}}this.DrawShape(B,G,F)}}}if(D&AH.e_jointBit){for(H=this.m_jointList;H;H=H.m_next){this.DrawJoint(H)}}if(D&AH.e_controllerBit){for(H=this.m_controllerList;H;H=H.m_next){H.Draw(this.m_debugDraw)}}if(D&AH.e_pairBit){F.Set(0.3,0.9,0.9);for(H=this.m_contactManager.m_contactList;H;H=H.GetNext()){B=H.GetFixtureA();E=H.GetFixtureB();B=B.GetAABB().GetCenter();E=E.GetAABB().GetCenter();this.m_debugDraw.DrawSegment(B,E,F)}}if(D&AH.e_aabbBit){B=this.m_contactManager.m_broadPhase;G=[new AA,new AA,new AA,new AA];for(H=this.m_bodyList;H;H=H.GetNext()){if(H.IsActive()!=false){for(E=H.GetFixtureList();E;E=E.GetNext()){var A=B.GetFatAABB(E.m_proxy);G[0].Set(A.lowerBound.x,A.lowerBound.y);G[1].Set(A.upperBound.x,A.lowerBound.y);G[2].Set(A.upperBound.x,A.upperBound.y);G[3].Set(A.lowerBound.x,A.upperBound.y);this.m_debugDraw.DrawPolygon(G,4,F)}}}}if(D&AH.e_centerOfMassBit){for(H=this.m_bodyList;H;H=H.m_next){G=AS.s_xf;G.R=H.m_xf.R;G.position=H.GetWorldCenter();this.m_debugDraw.DrawTransform(G)}}}};AS.prototype.QueryAABB=function(A,D){var B=this.m_contactManager.m_broadPhase;B.Query(function(E){return A(B.GetUserData(E))},D)};AS.prototype.QueryShape=function(B,F,D){if(D===undefined){D=null}if(D==null){D=new x;D.SetIdentity()}var A=this.m_contactManager.m_broadPhase,E=new X;F.ComputeAABB(E,D);A.Query(function(G){G=A.GetUserData(G) instanceof b?A.GetUserData(G):null;if(J.TestOverlap(F,D,G.GetShape(),G.GetBody().GetTransform())){return B(G)}return true},E)};AS.prototype.QueryPoint=function(B,E){var D=this.m_contactManager.m_broadPhase,A=new X;A.lowerBound.Set(E.x-AL.b2_linearSlop,E.y-AL.b2_linearSlop);A.upperBound.Set(E.x+AL.b2_linearSlop,E.y+AL.b2_linearSlop);D.Query(function(F){F=D.GetUserData(F) instanceof b?D.GetUserData(F):null;if(F.TestPoint(E)){return B(F)}return true},A)};AS.prototype.RayCast=function(B,G,D){var A=this.m_contactManager.m_broadPhase,F=new T,E=new f(G,D);A.RayCast(function(H,M){var L=A.GetUserData(M);L=L instanceof b?L:null;if(L.RayCast(F,H)){var I=F.fraction,K=new AA((1-I)*G.x+I*D.x,(1-I)*G.y+I*D.y);return B(L,K,F.normal,I)}return H.maxFraction},E)};AS.prototype.RayCastOne=function(A,D){var B;this.RayCast(function(F,H,G,E){if(E===undefined){E=0}B=F;return E},A,D);return B};AS.prototype.RayCastAll=function(A,D){var B=new Vector;this.RayCast(function(E){B[B.length]=E;return 1},A,D);return B};AS.prototype.GetBodyList=function(){return this.m_bodyList};AS.prototype.GetJointList=function(){return this.m_jointList};AS.prototype.GetContactList=function(){return this.m_contactList};AS.prototype.IsLocked=function(){return(this.m_flags&AS.e_locked)>0};AS.prototype.Solve=function(D){for(var I,F=this.m_controllerList;F;F=F.m_next){F.Step(D)}F=this.m_island;F.Initialize(this.m_bodyCount,this.m_contactCount,this.m_jointCount,null,this.m_contactManager.m_contactListener,this.m_contactSolver);for(I=this.m_bodyList;I;I=I.m_next){I.m_flags&=~AQ.e_islandFlag}for(var B=this.m_contactList;B;B=B.m_next){B.m_flags&=~AP.e_islandFlag}for(B=this.m_jointList;B;B=B.m_next){B.m_islandFlag=false}parseInt(this.m_bodyCount);B=this.s_stack;for(var H=this.m_bodyList;H;H=H.m_next){if(!(H.m_flags&AQ.e_islandFlag)){if(!(H.IsAwake()==false||H.IsActive()==false)){if(H.GetType()!=AQ.b2_staticBody){F.Clear();var G=0;B[G++]=H;for(H.m_flags|=AQ.e_islandFlag;G>0;){I=B[--G];F.AddBody(I);I.IsAwake()==false&&I.SetAwake(true);if(I.GetType()!=AQ.b2_staticBody){for(var A,E=I.m_contactList;E;E=E.next){if(!(E.contact.m_flags&AP.e_islandFlag)){if(!(E.contact.IsSensor()==true||E.contact.IsEnabled()==false||E.contact.IsTouching()==false)){F.AddContact(E.contact);E.contact.m_flags|=AP.e_islandFlag;A=E.other;if(!(A.m_flags&AQ.e_islandFlag)){B[G++]=A;A.m_flags|=AQ.e_islandFlag}}}}for(I=I.m_jointList;I;I=I.next){if(I.joint.m_islandFlag!=true){A=I.other;if(A.IsActive()!=false){F.AddJoint(I.joint);I.joint.m_islandFlag=true;if(!(A.m_flags&AQ.e_islandFlag)){B[G++]=A;A.m_flags|=AQ.e_islandFlag}}}}}}F.Solve(D,this.m_gravity,this.m_allowSleep);for(G=0;G<F.m_bodyCount;++G){I=F.m_bodies[G];if(I.GetType()==AQ.b2_staticBody){I.m_flags&=~AQ.e_islandFlag}}}}}}for(G=0;G<B.length;++G){if(!B[G]){break}B[G]=null}for(I=this.m_bodyList;I;I=I.m_next){I.IsAwake()==false||I.IsActive()==false||I.GetType()!=AQ.b2_staticBody&&I.SynchronizeFixtures()}this.m_contactManager.FindNewContacts()};AS.prototype.SolveTOI=function(I){var G,D,H,F=this.m_island;F.Initialize(this.m_bodyCount,AL.b2_maxTOIContactsPerIsland,AL.b2_maxTOIJointsPerIsland,null,this.m_contactManager.m_contactListener,this.m_contactSolver);var E=AS.s_queue;for(G=this.m_bodyList;G;G=G.m_next){G.m_flags&=~AQ.e_islandFlag;G.m_sweep.t0=0}for(H=this.m_contactList;H;H=H.m_next){H.m_flags&=~(AP.e_toiFlag|AP.e_islandFlag)}for(H=this.m_jointList;H;H=H.m_next){H.m_islandFlag=false}for(;;){var B=null,A=1;for(H=this.m_contactList;H;H=H.m_next){if(!(H.IsSensor()==true||H.IsEnabled()==false||H.IsContinuous()==false)){G=1;if(H.m_flags&AP.e_toiFlag){G=H.m_toi}else{G=H.m_fixtureA;D=H.m_fixtureB;G=G.m_body;D=D.m_body;if((G.GetType()!=AQ.b2_dynamicBody||G.IsAwake()==false)&&(D.GetType()!=AQ.b2_dynamicBody||D.IsAwake()==false)){continue}var K=G.m_sweep.t0;if(G.m_sweep.t0<D.m_sweep.t0){K=D.m_sweep.t0;G.m_sweep.Advance(K)}else{if(D.m_sweep.t0<G.m_sweep.t0){K=G.m_sweep.t0;D.m_sweep.Advance(K)}}G=H.ComputeTOI(G.m_sweep,D.m_sweep);AL.b2Assert(0<=G&&G<=1);if(G>0&&G<1){G=(1-G)*K+G;if(G>1){G=1}}H.m_toi=G;H.m_flags|=AP.e_toiFlag}if(Number.MIN_VALUE<G&&G<A){B=H;A=G}}}if(B==null||1-100*Number.MIN_VALUE<A){break}G=B.m_fixtureA;D=B.m_fixtureB;G=G.m_body;D=D.m_body;AS.s_backupA.Set(G.m_sweep);AS.s_backupB.Set(D.m_sweep);G.Advance(A);D.Advance(A);B.Update(this.m_contactManager.m_contactListener);B.m_flags&=~AP.e_toiFlag;if(B.IsSensor()==true||B.IsEnabled()==false){G.m_sweep.Set(AS.s_backupA);D.m_sweep.Set(AS.s_backupB);G.SynchronizeTransform();D.SynchronizeTransform()}else{if(B.IsTouching()!=false){G=G;if(G.GetType()!=AQ.b2_dynamicBody){G=D}F.Clear();B=H=0;E[H+B++]=G;for(G.m_flags|=AQ.e_islandFlag;B>0;){G=E[H++];--B;F.AddBody(G);G.IsAwake()==false&&G.SetAwake(true);if(G.GetType()==AQ.b2_dynamicBody){for(D=G.m_contactList;D;D=D.next){if(F.m_contactCount==F.m_contactCapacity){break}if(!(D.contact.m_flags&AP.e_islandFlag)){if(!(D.contact.IsSensor()==true||D.contact.IsEnabled()==false||D.contact.IsTouching()==false)){F.AddContact(D.contact);D.contact.m_flags|=AP.e_islandFlag;K=D.other;if(!(K.m_flags&AQ.e_islandFlag)){if(K.GetType()!=AQ.b2_staticBody){K.Advance(A);K.SetAwake(true)}E[H+B]=K;++B;K.m_flags|=AQ.e_islandFlag}}}}for(G=G.m_jointList;G;G=G.next){if(F.m_jointCount!=F.m_jointCapacity){if(G.joint.m_islandFlag!=true){K=G.other;if(K.IsActive()!=false){F.AddJoint(G.joint);G.joint.m_islandFlag=true;if(!(K.m_flags&AQ.e_islandFlag)){if(K.GetType()!=AQ.b2_staticBody){K.Advance(A);K.SetAwake(true)}E[H+B]=K;++B;K.m_flags|=AQ.e_islandFlag}}}}}}}H=AS.s_timestep;H.warmStarting=false;H.dt=(1-A)*I.dt;H.inv_dt=1/H.dt;H.dtRatio=0;H.velocityIterations=I.velocityIterations;H.positionIterations=I.positionIterations;F.SolveTOI(H);for(A=A=0;A<F.m_bodyCount;++A){G=F.m_bodies[A];G.m_flags&=~AQ.e_islandFlag;if(G.IsAwake()!=false){if(G.GetType()==AQ.b2_dynamicBody){G.SynchronizeFixtures();for(D=G.m_contactList;D;D=D.next){D.contact.m_flags&=~AP.e_toiFlag}}}}for(A=0;A<F.m_contactCount;++A){H=F.m_contacts[A];H.m_flags&=~(AP.e_toiFlag|AP.e_islandFlag)}for(A=0;A<F.m_jointCount;++A){H=F.m_joints[A];H.m_islandFlag=false}this.m_contactManager.FindNewContacts()}}}};AS.prototype.DrawJoint=function(D){var I=D.GetBodyA(),F=D.GetBodyB(),B=I.m_xf.position,H=F.m_xf.position,G=D.GetAnchorA(),A=D.GetAnchorB(),E=AS.s_jointColor;switch(D.m_type){case AJ.e_distanceJoint:this.m_debugDraw.DrawSegment(G,A,E);break;case AJ.e_pulleyJoint:I=D instanceof AO?D:null;D=I.GetGroundAnchorA();I=I.GetGroundAnchorB();this.m_debugDraw.DrawSegment(D,G,E);this.m_debugDraw.DrawSegment(I,A,E);this.m_debugDraw.DrawSegment(D,I,E);break;case AJ.e_mouseJoint:this.m_debugDraw.DrawSegment(G,A,E);break;default:I!=this.m_groundBody&&this.m_debugDraw.DrawSegment(B,G,E);this.m_debugDraw.DrawSegment(G,A,E);F!=this.m_groundBody&&this.m_debugDraw.DrawSegment(H,A,E)}};AS.prototype.DrawShape=function(B,G,D){switch(B.m_type){case J.e_circleShape:var A=B instanceof r?B:null;this.m_debugDraw.DrawSolidCircle(AG.MulX(G,A.m_p),A.m_radius,G.R.col1,D);break;case J.e_polygonShape:A=0;A=B instanceof P?B:null;B=parseInt(A.GetVertexCount());var F=A.GetVertices(),E=new Vector(B);for(A=0;A<B;++A){E[A]=AG.MulX(G,F[A])}this.m_debugDraw.DrawSolidPolygon(E,B,D);break;case J.e_edgeShape:A=B instanceof s?B:null;this.m_debugDraw.DrawSegment(AG.MulX(G,A.GetVertex1()),AG.MulX(G,A.GetVertex2()),D)}};Box2D.postDefs.push(function(){Box2D.Dynamics.b2World.s_timestep2=new AT;Box2D.Dynamics.b2World.s_xf=new x;Box2D.Dynamics.b2World.s_backupA=new AE;Box2D.Dynamics.b2World.s_backupB=new AE;Box2D.Dynamics.b2World.s_timestep=new AT;Box2D.Dynamics.b2World.s_queue=new Vector;Box2D.Dynamics.b2World.s_jointColor=new AD(0.5,0.8,0.8);Box2D.Dynamics.b2World.e_newFixture=1;Box2D.Dynamics.b2World.e_locked=2})})();(function(){var AE=Box2D.Collision.Shapes.b2CircleShape,AC=Box2D.Collision.Shapes.b2EdgeShape,s=Box2D.Collision.Shapes.b2PolygonShape,t=Box2D.Collision.Shapes.b2Shape,AB=Box2D.Dynamics.Contacts.b2CircleContact,AI=Box2D.Dynamics.Contacts.b2Contact,X=Box2D.Dynamics.Contacts.b2ContactConstraint,AJ=Box2D.Dynamics.Contacts.b2ContactConstraintPoint,AH=Box2D.Dynamics.Contacts.b2ContactEdge,f=Box2D.Dynamics.Contacts.b2ContactFactory,T=Box2D.Dynamics.Contacts.b2ContactRegister,n=Box2D.Dynamics.Contacts.b2ContactResult,o=Box2D.Dynamics.Contacts.b2ContactSolver,x=Box2D.Dynamics.Contacts.b2EdgeAndCircleContact,P=Box2D.Dynamics.Contacts.b2NullContact,J=Box2D.Dynamics.Contacts.b2PolyAndCircleContact,AL=Box2D.Dynamics.Contacts.b2PolyAndEdgeContact,r=Box2D.Dynamics.Contacts.b2PolygonContact,AD=Box2D.Dynamics.Contacts.b2PositionSolverManifold,AG=Box2D.Dynamics.b2Body,AA=Box2D.Dynamics.b2TimeStep,g=Box2D.Common.b2Settings,AF=Box2D.Common.Math.b2Mat22,e=Box2D.Common.Math.b2Math,m=Box2D.Common.Math.b2Vec2,b=Box2D.Collision.b2Collision,AO=Box2D.Collision.b2ContactID,C=Box2D.Collision.b2Manifold,AN=Box2D.Collision.b2TimeOfImpact,AM=Box2D.Collision.b2TOIInput,AK=Box2D.Collision.b2WorldManifold;Box2D.inherit(AB,Box2D.Dynamics.Contacts.b2Contact);AB.prototype.__super=Box2D.Dynamics.Contacts.b2Contact.prototype;AB.b2CircleContact=function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};AB.Create=function(){return new AB};AB.Destroy=function(){};AB.prototype.Reset=function(A,B){this.__super.Reset.call(this,A,B)};AB.prototype.Evaluate=function(){var A=this.m_fixtureA.GetBody(),B=this.m_fixtureB.GetBody();b.CollideCircles(this.m_manifold,this.m_fixtureA.GetShape() instanceof AE?this.m_fixtureA.GetShape():null,A.m_xf,this.m_fixtureB.GetShape() instanceof AE?this.m_fixtureB.GetShape():null,B.m_xf)};AI.b2Contact=function(){this.m_nodeA=new AH;this.m_nodeB=new AH;this.m_manifold=new C;this.m_oldManifold=new C};AI.prototype.GetManifold=function(){return this.m_manifold};AI.prototype.GetWorldManifold=function(B){var E=this.m_fixtureA.GetBody(),D=this.m_fixtureB.GetBody(),F=this.m_fixtureA.GetShape(),A=this.m_fixtureB.GetShape();B.Initialize(this.m_manifold,E.GetTransform(),F.m_radius,D.GetTransform(),A.m_radius)};AI.prototype.IsTouching=function(){return(this.m_flags&AI.e_touchingFlag)==AI.e_touchingFlag};AI.prototype.IsContinuous=function(){return(this.m_flags&AI.e_continuousFlag)==AI.e_continuousFlag};AI.prototype.SetSensor=function(A){if(A){this.m_flags|=AI.e_sensorFlag}else{this.m_flags&=~AI.e_sensorFlag}};AI.prototype.IsSensor=function(){return(this.m_flags&AI.e_sensorFlag)==AI.e_sensorFlag};AI.prototype.SetEnabled=function(A){if(A){this.m_flags|=AI.e_enabledFlag}else{this.m_flags&=~AI.e_enabledFlag}};AI.prototype.IsEnabled=function(){return(this.m_flags&AI.e_enabledFlag)==AI.e_enabledFlag};AI.prototype.GetNext=function(){return this.m_next};AI.prototype.GetFixtureA=function(){return this.m_fixtureA};AI.prototype.GetFixtureB=function(){return this.m_fixtureB};AI.prototype.FlagForFiltering=function(){this.m_flags|=AI.e_filterFlag};AI.prototype.b2Contact=function(){};AI.prototype.Reset=function(A,D){if(A===undefined){A=null}if(D===undefined){D=null}this.m_flags=AI.e_enabledFlag;if(!A||!D){this.m_fixtureB=this.m_fixtureA=null}else{if(A.IsSensor()||D.IsSensor()){this.m_flags|=AI.e_sensorFlag}var B=A.GetBody(),E=D.GetBody();if(B.GetType()!=AG.b2_dynamicBody||B.IsBullet()||E.GetType()!=AG.b2_dynamicBody||E.IsBullet()){this.m_flags|=AI.e_continuousFlag}this.m_fixtureA=A;this.m_fixtureB=D;this.m_manifold.m_pointCount=0;this.m_next=this.m_prev=null;this.m_nodeA.contact=null;this.m_nodeA.prev=null;this.m_nodeA.next=null;this.m_nodeA.other=null;this.m_nodeB.contact=null;this.m_nodeB.prev=null;this.m_nodeB.next=null;this.m_nodeB.other=null}};AI.prototype.Update=function(E){var B=this.m_oldManifold;this.m_oldManifold=this.m_manifold;this.m_manifold=B;this.m_flags|=AI.e_enabledFlag;var A=false;B=(this.m_flags&AI.e_touchingFlag)==AI.e_touchingFlag;var D=this.m_fixtureA.m_body,L=this.m_fixtureB.m_body,I=this.m_fixtureA.m_aabb.TestOverlap(this.m_fixtureB.m_aabb);if(this.m_flags&AI.e_sensorFlag){if(I){A=this.m_fixtureA.GetShape();I=this.m_fixtureB.GetShape();D=D.GetTransform();L=L.GetTransform();A=t.TestOverlap(A,D,I,L)}this.m_manifold.m_pointCount=0}else{if(D.GetType()!=AG.b2_dynamicBody||D.IsBullet()||L.GetType()!=AG.b2_dynamicBody||L.IsBullet()){this.m_flags|=AI.e_continuousFlag}else{this.m_flags&=~AI.e_continuousFlag}if(I){this.Evaluate();A=this.m_manifold.m_pointCount>0;for(I=0;I<this.m_manifold.m_pointCount;++I){var F=this.m_manifold.m_points[I];F.m_normalImpulse=0;F.m_tangentImpulse=0;for(var K=F.m_id,H=0;H<this.m_oldManifold.m_pointCount;++H){var G=this.m_oldManifold.m_points[H];if(G.m_id.key==K.key){F.m_normalImpulse=G.m_normalImpulse;F.m_tangentImpulse=G.m_tangentImpulse;break}}}}else{this.m_manifold.m_pointCount=0}if(A!=B){D.SetAwake(true);L.SetAwake(true)}}if(A){this.m_flags|=AI.e_touchingFlag}else{this.m_flags&=~AI.e_touchingFlag}B==false&&A==true&&E.BeginContact(this);B==true&&A==false&&E.EndContact(this);(this.m_flags&AI.e_sensorFlag)==0&&E.PreSolve(this,this.m_oldManifold)};AI.prototype.Evaluate=function(){};AI.prototype.ComputeTOI=function(A,B){AI.s_input.proxyA.Set(this.m_fixtureA.GetShape());AI.s_input.proxyB.Set(this.m_fixtureB.GetShape());AI.s_input.sweepA=A;AI.s_input.sweepB=B;AI.s_input.tolerance=g.b2_linearSlop;return AN.TimeOfImpact(AI.s_input)};Box2D.postDefs.push(function(){Box2D.Dynamics.Contacts.b2Contact.e_sensorFlag=1;Box2D.Dynamics.Contacts.b2Contact.e_continuousFlag=2;Box2D.Dynamics.Contacts.b2Contact.e_islandFlag=4;Box2D.Dynamics.Contacts.b2Contact.e_toiFlag=8;Box2D.Dynamics.Contacts.b2Contact.e_touchingFlag=16;Box2D.Dynamics.Contacts.b2Contact.e_enabledFlag=32;Box2D.Dynamics.Contacts.b2Contact.e_filterFlag=64;Box2D.Dynamics.Contacts.b2Contact.s_input=new AM});X.b2ContactConstraint=function(){this.localPlaneNormal=new m;this.localPoint=new m;this.normal=new m;this.normalMass=new AF;this.K=new AF};X.prototype.b2ContactConstraint=function(){this.points=new Vector(g.b2_maxManifoldPoints);for(var A=0;A<g.b2_maxManifoldPoints;A++){this.points[A]=new AJ}};AJ.b2ContactConstraintPoint=function(){this.localPoint=new m;this.rA=new m;this.rB=new m};AH.b2ContactEdge=function(){};f.b2ContactFactory=function(){};f.prototype.b2ContactFactory=function(A){this.m_allocator=A;this.InitializeRegisters()};f.prototype.AddType=function(A,D,B,E){if(B===undefined){B=0}if(E===undefined){E=0}this.m_registers[B][E].createFcn=A;this.m_registers[B][E].destroyFcn=D;this.m_registers[B][E].primary=true;if(B!=E){this.m_registers[E][B].createFcn=A;this.m_registers[E][B].destroyFcn=D;this.m_registers[E][B].primary=false}};f.prototype.InitializeRegisters=function(){this.m_registers=new Vector(t.e_shapeTypeCount);for(var A=0;A<t.e_shapeTypeCount;A++){this.m_registers[A]=new Vector(t.e_shapeTypeCount);for(var B=0;B<t.e_shapeTypeCount;B++){this.m_registers[A][B]=new T}}this.AddType(AB.Create,AB.Destroy,t.e_circleShape,t.e_circleShape);this.AddType(J.Create,J.Destroy,t.e_polygonShape,t.e_circleShape);this.AddType(r.Create,r.Destroy,t.e_polygonShape,t.e_polygonShape);this.AddType(x.Create,x.Destroy,t.e_edgeShape,t.e_circleShape);this.AddType(AL.Create,AL.Destroy,t.e_polygonShape,t.e_edgeShape)};f.prototype.Create=function(A,D){var B=parseInt(A.GetType()),E=parseInt(D.GetType());B=this.m_registers[B][E];if(B.pool){E=B.pool;B.pool=E.m_next;B.poolCount--;E.Reset(A,D);return E}E=B.createFcn;if(E!=null){if(B.primary){E=E(this.m_allocator);E.Reset(A,D)}else{E=E(this.m_allocator);E.Reset(D,A)}return E}else{return null}};f.prototype.Destroy=function(A){if(A.m_manifold.m_pointCount>0){A.m_fixtureA.m_body.SetAwake(true);A.m_fixtureB.m_body.SetAwake(true)}var D=parseInt(A.m_fixtureA.GetType()),B=parseInt(A.m_fixtureB.GetType());D=this.m_registers[D][B];D.poolCount++;A.m_next=D.pool;D.pool=A;D=D.destroyFcn;D(A,this.m_allocator)};T.b2ContactRegister=function(){};n.b2ContactResult=function(){this.position=new m;this.normal=new m;this.id=new AO};o.b2ContactSolver=function(){this.m_step=new AA;this.m_constraints=new Vector};o.prototype.b2ContactSolver=function(){};o.prototype.Initialize=function(V,R,O,S){if(O===undefined){O=0}var l;this.m_step.Set(V);this.m_allocator=S;V=0;for(this.m_constraintCount=O;this.m_constraints.length<this.m_constraintCount;){this.m_constraints[this.m_constraints.length]=new X}for(V=0;V<O;++V){l=R[V];S=l.m_fixtureA;var h=l.m_fixtureB,W=S.m_shape.m_radius,k=h.m_shape.m_radius,Z=S.m_body,Y=h.m_body,U=l.GetManifold(),N=g.b2MixFriction(S.GetFriction(),h.GetFriction()),L=g.b2MixRestitution(S.GetRestitution(),h.GetRestitution()),I=Z.m_linearVelocity.x,K=Z.m_linearVelocity.y,H=Y.m_linearVelocity.x,M=Y.m_linearVelocity.y,G=Z.m_angularVelocity,B=Y.m_angularVelocity;g.b2Assert(U.m_pointCount>0);o.s_worldManifold.Initialize(U,Z.m_xf,W,Y.m_xf,k);h=o.s_worldManifold.m_normal.x;l=o.s_worldManifold.m_normal.y;S=this.m_constraints[V];S.bodyA=Z;S.bodyB=Y;S.manifold=U;S.normal.x=h;S.normal.y=l;S.pointCount=U.m_pointCount;S.friction=N;S.restitution=L;S.localPlaneNormal.x=U.m_localPlaneNormal.x;S.localPlaneNormal.y=U.m_localPlaneNormal.y;S.localPoint.x=U.m_localPoint.x;S.localPoint.y=U.m_localPoint.y;S.radius=W+k;S.type=U.m_type;for(W=0;W<S.pointCount;++W){N=U.m_points[W];k=S.points[W];k.normalImpulse=N.m_normalImpulse;k.tangentImpulse=N.m_tangentImpulse;k.localPoint.SetV(N.m_localPoint);N=k.rA.x=o.s_worldManifold.m_points[W].x-Z.m_sweep.c.x;L=k.rA.y=o.s_worldManifold.m_points[W].y-Z.m_sweep.c.y;var F=k.rB.x=o.s_worldManifold.m_points[W].x-Y.m_sweep.c.x,A=k.rB.y=o.s_worldManifold.m_points[W].y-Y.m_sweep.c.y,D=N*l-L*h,E=F*l-A*h;D*=D;E*=E;k.normalMass=1/(Z.m_invMass+Y.m_invMass+Z.m_invI*D+Y.m_invI*E);var Q=Z.m_mass*Z.m_invMass+Y.m_mass*Y.m_invMass;Q+=Z.m_mass*Z.m_invI*D+Y.m_mass*Y.m_invI*E;k.equalizedMass=1/Q;E=l;Q=-h;D=N*Q-L*E;E=F*Q-A*E;D*=D;E*=E;k.tangentMass=1/(Z.m_invMass+Y.m_invMass+Z.m_invI*D+Y.m_invI*E);k.velocityBias=0;N=S.normal.x*(H+-B*A-I- -G*L)+S.normal.y*(M+B*F-K-G*N);if(N<-g.b2_velocityThreshold){k.velocityBias+=-S.restitution*N}}if(S.pointCount==2){M=S.points[0];H=S.points[1];U=Z.m_invMass;Z=Z.m_invI;I=Y.m_invMass;Y=Y.m_invI;K=M.rA.x*l-M.rA.y*h;M=M.rB.x*l-M.rB.y*h;G=H.rA.x*l-H.rA.y*h;H=H.rB.x*l-H.rB.y*h;h=U+I+Z*K*K+Y*M*M;l=U+I+Z*G*G+Y*H*H;Y=U+I+Z*K*G+Y*M*H;if(h*h<100*(h*l-Y*Y)){S.K.col1.Set(h,Y);S.K.col2.Set(Y,l);S.K.GetInverse(S.normalMass)}else{S.pointCount=1}}}};o.prototype.InitVelocityConstraints=function(N){for(var K=0;K<this.m_constraintCount;++K){var I=this.m_constraints[K],L=I.bodyA,V=I.bodyB,S=L.m_invMass,O=L.m_invI,U=V.m_invMass,R=V.m_invI,Q=I.normal.x,M=I.normal.y,H=M,F=-Q,D=0,E=0;if(N.warmStarting){E=I.pointCount;for(D=0;D<E;++D){var B=I.points[D];B.normalImpulse*=N.dtRatio;B.tangentImpulse*=N.dtRatio;var G=B.normalImpulse*Q+B.tangentImpulse*H,A=B.normalImpulse*M+B.tangentImpulse*F;L.m_angularVelocity-=O*(B.rA.x*A-B.rA.y*G);L.m_linearVelocity.x-=S*G;L.m_linearVelocity.y-=S*A;V.m_angularVelocity+=R*(B.rB.x*A-B.rB.y*G);V.m_linearVelocity.x+=U*G;V.m_linearVelocity.y+=U*A}}else{E=I.pointCount;for(D=0;D<E;++D){L=I.points[D];L.normalImpulse=0;L.tangentImpulse=0}}}};o.prototype.SolveVelocityConstraints=function(){for(var V=0,R,O=0,S=0,l=0,h=S=S=O=O=0,W=O=O=0,k=O=l=0,Z=0,Y,U=0;U<this.m_constraintCount;++U){l=this.m_constraints[U];var N=l.bodyA,L=l.bodyB,I=N.m_angularVelocity,K=L.m_angularVelocity,H=N.m_linearVelocity,M=L.m_linearVelocity,G=N.m_invMass,B=N.m_invI,F=L.m_invMass,A=L.m_invI;k=l.normal.x;var D=Z=l.normal.y;Y=-k;W=l.friction;for(V=0;V<l.pointCount;V++){R=l.points[V];O=M.x-K*R.rB.y-H.x+I*R.rA.y;S=M.y+K*R.rB.x-H.y-I*R.rA.x;O=O*D+S*Y;O=R.tangentMass*-O;S=W*R.normalImpulse;S=e.Clamp(R.tangentImpulse+O,-S,S);O=S-R.tangentImpulse;h=O*D;O=O*Y;H.x-=G*h;H.y-=G*O;I-=B*(R.rA.x*O-R.rA.y*h);M.x+=F*h;M.y+=F*O;K+=A*(R.rB.x*O-R.rB.y*h);R.tangentImpulse=S}parseInt(l.pointCount);if(l.pointCount==1){R=l.points[0];O=M.x+-K*R.rB.y-H.x- -I*R.rA.y;S=M.y+K*R.rB.x-H.y-I*R.rA.x;l=O*k+S*Z;O=-R.normalMass*(l-R.velocityBias);S=R.normalImpulse+O;S=S>0?S:0;O=S-R.normalImpulse;h=O*k;O=O*Z;H.x-=G*h;H.y-=G*O;I-=B*(R.rA.x*O-R.rA.y*h);M.x+=F*h;M.y+=F*O;K+=A*(R.rB.x*O-R.rB.y*h);R.normalImpulse=S}else{R=l.points[0];V=l.points[1];O=R.normalImpulse;W=V.normalImpulse;var E=(M.x-K*R.rB.y-H.x+I*R.rA.y)*k+(M.y+K*R.rB.x-H.y-I*R.rA.x)*Z,Q=(M.x-K*V.rB.y-H.x+I*V.rA.y)*k+(M.y+K*V.rB.x-H.y-I*V.rA.x)*Z;S=E-R.velocityBias;h=Q-V.velocityBias;Y=l.K;S-=Y.col1.x*O+Y.col2.x*W;for(h-=Y.col1.y*O+Y.col2.y*W;;){Y=l.normalMass;D=-(Y.col1.x*S+Y.col2.x*h);Y=-(Y.col1.y*S+Y.col2.y*h);if(D>=0&&Y>=0){O=D-O;W=Y-W;l=O*k;O=O*Z;k=W*k;Z=W*Z;H.x-=G*(l+k);H.y-=G*(O+Z);I-=B*(R.rA.x*O-R.rA.y*l+V.rA.x*Z-V.rA.y*k);M.x+=F*(l+k);M.y+=F*(O+Z);K+=A*(R.rB.x*O-R.rB.y*l+V.rB.x*Z-V.rB.y*k);R.normalImpulse=D;V.normalImpulse=Y;break}D=-R.normalMass*S;Y=0;Q=l.K.col1.y*D+h;if(D>=0&&Q>=0){O=D-O;W=Y-W;l=O*k;O=O*Z;k=W*k;Z=W*Z;H.x-=G*(l+k);H.y-=G*(O+Z);I-=B*(R.rA.x*O-R.rA.y*l+V.rA.x*Z-V.rA.y*k);M.x+=F*(l+k);M.y+=F*(O+Z);K+=A*(R.rB.x*O-R.rB.y*l+V.rB.x*Z-V.rB.y*k);R.normalImpulse=D;V.normalImpulse=Y;break}D=0;Y=-V.normalMass*h;E=l.K.col2.x*Y+S;if(Y>=0&&E>=0){O=D-O;W=Y-W;l=O*k;O=O*Z;k=W*k;Z=W*Z;H.x-=G*(l+k);H.y-=G*(O+Z);I-=B*(R.rA.x*O-R.rA.y*l+V.rA.x*Z-V.rA.y*k);M.x+=F*(l+k);M.y+=F*(O+Z);K+=A*(R.rB.x*O-R.rB.y*l+V.rB.x*Z-V.rB.y*k);R.normalImpulse=D;V.normalImpulse=Y;break}Y=D=0;E=S;Q=h;if(E>=0&&Q>=0){O=D-O;W=Y-W;l=O*k;O=O*Z;k=W*k;Z=W*Z;H.x-=G*(l+k);H.y-=G*(O+Z);I-=B*(R.rA.x*O-R.rA.y*l+V.rA.x*Z-V.rA.y*k);M.x+=F*(l+k);M.y+=F*(O+Z);K+=A*(R.rB.x*O-R.rB.y*l+V.rB.x*Z-V.rB.y*k);R.normalImpulse=D;V.normalImpulse=Y;break}break}}N.m_angularVelocity=I;L.m_angularVelocity=K}};o.prototype.FinalizeVelocityConstraints=function(){for(var B=0;B<this.m_constraintCount;++B){for(var E=this.m_constraints[B],D=E.manifold,G=0;G<E.pointCount;++G){var A=D.m_points[G],F=E.points[G];A.m_normalImpulse=F.normalImpulse;A.m_tangentImpulse=F.tangentImpulse}}};o.prototype.SolvePositionConstraints=function(N){if(N===undefined){N=0}for(var K=0,I=0;I<this.m_constraintCount;I++){var L=this.m_constraints[I],V=L.bodyA,S=L.bodyB,O=V.m_mass*V.m_invMass,U=V.m_mass*V.m_invI,R=S.m_mass*S.m_invMass,Q=S.m_mass*S.m_invI;o.s_psm.Initialize(L);for(var M=o.s_psm.m_normal,H=0;H<L.pointCount;H++){var F=L.points[H],D=o.s_psm.m_points[H],E=o.s_psm.m_separations[H],B=D.x-V.m_sweep.c.x,G=D.y-V.m_sweep.c.y,A=D.x-S.m_sweep.c.x;D=D.y-S.m_sweep.c.y;K=K<E?K:E;E=e.Clamp(N*(E+g.b2_linearSlop),-g.b2_maxLinearCorrection,0);E=-F.equalizedMass*E;F=E*M.x;E=E*M.y;V.m_sweep.c.x-=O*F;V.m_sweep.c.y-=O*E;V.m_sweep.a-=U*(B*E-G*F);V.SynchronizeTransform();S.m_sweep.c.x+=R*F;S.m_sweep.c.y+=R*E;S.m_sweep.a+=Q*(A*E-D*F);S.SynchronizeTransform()}}return K>-1.5*g.b2_linearSlop};Box2D.postDefs.push(function(){Box2D.Dynamics.Contacts.b2ContactSolver.s_worldManifold=new AK;Box2D.Dynamics.Contacts.b2ContactSolver.s_psm=new AD});Box2D.inherit(x,Box2D.Dynamics.Contacts.b2Contact);x.prototype.__super=Box2D.Dynamics.Contacts.b2Contact.prototype;x.b2EdgeAndCircleContact=function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};x.Create=function(){return new x};x.Destroy=function(){};x.prototype.Reset=function(A,B){this.__super.Reset.call(this,A,B)};x.prototype.Evaluate=function(){var A=this.m_fixtureA.GetBody(),B=this.m_fixtureB.GetBody();this.b2CollideEdgeAndCircle(this.m_manifold,this.m_fixtureA.GetShape() instanceof AC?this.m_fixtureA.GetShape():null,A.m_xf,this.m_fixtureB.GetShape() instanceof AE?this.m_fixtureB.GetShape():null,B.m_xf)};x.prototype.b2CollideEdgeAndCircle=function(){};Box2D.inherit(P,Box2D.Dynamics.Contacts.b2Contact);P.prototype.__super=Box2D.Dynamics.Contacts.b2Contact.prototype;P.b2NullContact=function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};P.prototype.b2NullContact=function(){this.__super.b2Contact.call(this)};P.prototype.Evaluate=function(){};Box2D.inherit(J,Box2D.Dynamics.Contacts.b2Contact);J.prototype.__super=Box2D.Dynamics.Contacts.b2Contact.prototype;J.b2PolyAndCircleContact=function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};J.Create=function(){return new J};J.Destroy=function(){};J.prototype.Reset=function(A,B){this.__super.Reset.call(this,A,B);g.b2Assert(A.GetType()==t.e_polygonShape);g.b2Assert(B.GetType()==t.e_circleShape)};J.prototype.Evaluate=function(){var A=this.m_fixtureA.m_body,B=this.m_fixtureB.m_body;b.CollidePolygonAndCircle(this.m_manifold,this.m_fixtureA.GetShape() instanceof s?this.m_fixtureA.GetShape():null,A.m_xf,this.m_fixtureB.GetShape() instanceof AE?this.m_fixtureB.GetShape():null,B.m_xf)};Box2D.inherit(AL,Box2D.Dynamics.Contacts.b2Contact);AL.prototype.__super=Box2D.Dynamics.Contacts.b2Contact.prototype;AL.b2PolyAndEdgeContact=function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};AL.Create=function(){return new AL};AL.Destroy=function(){};AL.prototype.Reset=function(A,B){this.__super.Reset.call(this,A,B);g.b2Assert(A.GetType()==t.e_polygonShape);g.b2Assert(B.GetType()==t.e_edgeShape)};AL.prototype.Evaluate=function(){var A=this.m_fixtureA.GetBody(),B=this.m_fixtureB.GetBody();this.b2CollidePolyAndEdge(this.m_manifold,this.m_fixtureA.GetShape() instanceof s?this.m_fixtureA.GetShape():null,A.m_xf,this.m_fixtureB.GetShape() instanceof AC?this.m_fixtureB.GetShape():null,B.m_xf)};AL.prototype.b2CollidePolyAndEdge=function(){};Box2D.inherit(r,Box2D.Dynamics.Contacts.b2Contact);r.prototype.__super=Box2D.Dynamics.Contacts.b2Contact.prototype;r.b2PolygonContact=function(){Box2D.Dynamics.Contacts.b2Contact.b2Contact.apply(this,arguments)};r.Create=function(){return new r};r.Destroy=function(){};r.prototype.Reset=function(A,B){this.__super.Reset.call(this,A,B)};r.prototype.Evaluate=function(){var A=this.m_fixtureA.GetBody(),B=this.m_fixtureB.GetBody();b.CollidePolygons(this.m_manifold,this.m_fixtureA.GetShape() instanceof s?this.m_fixtureA.GetShape():null,A.m_xf,this.m_fixtureB.GetShape() instanceof s?this.m_fixtureB.GetShape():null,B.m_xf)};AD.b2PositionSolverManifold=function(){};AD.prototype.b2PositionSolverManifold=function(){this.m_normal=new m;this.m_separations=new Vector_a2j_Number(g.b2_maxManifoldPoints);this.m_points=new Vector(g.b2_maxManifoldPoints);for(var A=0;A<g.b2_maxManifoldPoints;A++){this.m_points[A]=new m}};AD.prototype.Initialize=function(D){g.b2Assert(D.pointCount>0);var G=0,F=0,I=0,B,H=0,E=0;switch(D.type){case C.e_circles:B=D.bodyA.m_xf.R;I=D.localPoint;G=D.bodyA.m_xf.position.x+(B.col1.x*I.x+B.col2.x*I.y);F=D.bodyA.m_xf.position.y+(B.col1.y*I.x+B.col2.y*I.y);B=D.bodyB.m_xf.R;I=D.points[0].localPoint;H=D.bodyB.m_xf.position.x+(B.col1.x*I.x+B.col2.x*I.y);B=D.bodyB.m_xf.position.y+(B.col1.y*I.x+B.col2.y*I.y);I=H-G;E=B-F;var A=I*I+E*E;if(A>Number.MIN_VALUE*Number.MIN_VALUE){A=Math.sqrt(A);this.m_normal.x=I/A;this.m_normal.y=E/A}else{this.m_normal.x=1;this.m_normal.y=0}this.m_points[0].x=0.5*(G+H);this.m_points[0].y=0.5*(F+B);this.m_separations[0]=I*this.m_normal.x+E*this.m_normal.y-D.radius;break;case C.e_faceA:B=D.bodyA.m_xf.R;I=D.localPlaneNormal;this.m_normal.x=B.col1.x*I.x+B.col2.x*I.y;this.m_normal.y=B.col1.y*I.x+B.col2.y*I.y;B=D.bodyA.m_xf.R;I=D.localPoint;H=D.bodyA.m_xf.position.x+(B.col1.x*I.x+B.col2.x*I.y);E=D.bodyA.m_xf.position.y+(B.col1.y*I.x+B.col2.y*I.y);B=D.bodyB.m_xf.R;for(G=0;G<D.pointCount;++G){I=D.points[G].localPoint;F=D.bodyB.m_xf.position.x+(B.col1.x*I.x+B.col2.x*I.y);I=D.bodyB.m_xf.position.y+(B.col1.y*I.x+B.col2.y*I.y);this.m_separations[G]=(F-H)*this.m_normal.x+(I-E)*this.m_normal.y-D.radius;this.m_points[G].x=F;this.m_points[G].y=I}break;case C.e_faceB:B=D.bodyB.m_xf.R;I=D.localPlaneNormal;this.m_normal.x=B.col1.x*I.x+B.col2.x*I.y;this.m_normal.y=B.col1.y*I.x+B.col2.y*I.y;B=D.bodyB.m_xf.R;I=D.localPoint;H=D.bodyB.m_xf.position.x+(B.col1.x*I.x+B.col2.x*I.y);E=D.bodyB.m_xf.position.y+(B.col1.y*I.x+B.col2.y*I.y);B=D.bodyA.m_xf.R;for(G=0;G<D.pointCount;++G){I=D.points[G].localPoint;F=D.bodyA.m_xf.position.x+(B.col1.x*I.x+B.col2.x*I.y);I=D.bodyA.m_xf.position.y+(B.col1.y*I.x+B.col2.y*I.y);this.m_separations[G]=(F-H)*this.m_normal.x+(I-E)*this.m_normal.y-D.radius;this.m_points[G].Set(F,I)}this.m_normal.x*=-1;this.m_normal.y*=-1}};Box2D.postDefs.push(function(){Box2D.Dynamics.Contacts.b2PositionSolverManifold.circlePointA=new m;Box2D.Dynamics.Contacts.b2PositionSolverManifold.circlePointB=new m})})();(function(){var P=Box2D.Common.Math.b2Mat22,O=Box2D.Common.Math.b2Math,M=Box2D.Common.Math.b2Vec2,L=Box2D.Common.b2Color,N=Box2D.Dynamics.Controllers.b2BuoyancyController,E=Box2D.Dynamics.Controllers.b2ConstantAccelController,I=Box2D.Dynamics.Controllers.b2ConstantForceController,D=Box2D.Dynamics.Controllers.b2Controller,C=Box2D.Dynamics.Controllers.b2ControllerEdge,J=Box2D.Dynamics.Controllers.b2GravityController,H=Box2D.Dynamics.Controllers.b2TensorDampingController;Box2D.inherit(N,Box2D.Dynamics.Controllers.b2Controller);N.prototype.__super=Box2D.Dynamics.Controllers.b2Controller.prototype;N.b2BuoyancyController=function(){Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this,arguments);this.normal=new M(0,-1);this.density=this.offset=0;this.velocity=new M(0,0);this.linearDrag=2;this.angularDrag=1;this.useDensity=false;this.useWorldGravity=true;this.gravity=null};N.prototype.Step=function(){if(this.m_bodyList){if(this.useWorldGravity){this.gravity=this.GetWorld().GetGravity().Copy()}for(var K=this.m_bodyList;K;K=K.nextBody){var R=K.body;if(R.IsAwake()!=false){for(var S=new M,F=new M,B=0,G=0,Q=R.GetFixtureList();Q;Q=Q.GetNext()){var U=new M,A=Q.GetShape().ComputeSubmergedArea(this.normal,this.offset,R.GetTransform(),U);B+=A;S.x+=A*U.x;S.y+=A*U.y;var T=0;T=1;G+=A*T;F.x+=A*U.x*T;F.y+=A*U.y*T}S.x/=B;S.y/=B;F.x/=G;F.y/=G;if(!(B<Number.MIN_VALUE)){G=this.gravity.GetNegative();G.Multiply(this.density*B);R.ApplyForce(G,F);F=R.GetLinearVelocityFromWorldPoint(S);F.Subtract(this.velocity);F.Multiply(-this.linearDrag*B);R.ApplyForce(F,S);R.ApplyTorque(-R.GetInertia()/R.GetMass()*B*R.GetAngularVelocity()*this.angularDrag)}}}}};N.prototype.Draw=function(G){var B=new M,F=new M;B.x=this.normal.x*this.offset+this.normal.y*1000;B.y=this.normal.y*this.offset-this.normal.x*1000;F.x=this.normal.x*this.offset-this.normal.y*1000;F.y=this.normal.y*this.offset+this.normal.x*1000;var A=new L(0,0,1);G.DrawSegment(B,F,A)};Box2D.inherit(E,Box2D.Dynamics.Controllers.b2Controller);E.prototype.__super=Box2D.Dynamics.Controllers.b2Controller.prototype;E.b2ConstantAccelController=function(){Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this,arguments);this.A=new M(0,0)};E.prototype.Step=function(F){F=new M(this.A.x*F.dt,this.A.y*F.dt);for(var A=this.m_bodyList;A;A=A.nextBody){var B=A.body;B.IsAwake()&&B.SetLinearVelocity(new M(B.GetLinearVelocity().x+F.x,B.GetLinearVelocity().y+F.y))}};Box2D.inherit(I,Box2D.Dynamics.Controllers.b2Controller);I.prototype.__super=Box2D.Dynamics.Controllers.b2Controller.prototype;I.b2ConstantForceController=function(){Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this,arguments);this.F=new M(0,0)};I.prototype.Step=function(){for(var B=this.m_bodyList;B;B=B.nextBody){var A=B.body;A.IsAwake()&&A.ApplyForce(this.F,A.GetWorldCenter())}};D.b2Controller=function(){};D.prototype.Step=function(){};D.prototype.Draw=function(){};D.prototype.AddBody=function(B){var A=new C;A.controller=this;A.body=B;A.nextBody=this.m_bodyList;A.prevBody=null;this.m_bodyList=A;if(A.nextBody){A.nextBody.prevBody=A}this.m_bodyCount++;A.nextController=B.m_controllerList;A.prevController=null;B.m_controllerList=A;if(A.nextController){A.nextController.prevController=A}B.m_controllerCount++};D.prototype.RemoveBody=function(B){for(var A=B.m_controllerList;A&&A.controller!=this;){A=A.nextController}if(A.prevBody){A.prevBody.nextBody=A.nextBody}if(A.nextBody){A.nextBody.prevBody=A.prevBody}if(A.nextController){A.nextController.prevController=A.prevController}if(A.prevController){A.prevController.nextController=A.nextController}if(this.m_bodyList==A){this.m_bodyList=A.nextBody}if(B.m_controllerList==A){B.m_controllerList=A.nextController}B.m_controllerCount--;this.m_bodyCount--};D.prototype.Clear=function(){for(;this.m_bodyList;){this.RemoveBody(this.m_bodyList.body)}};D.prototype.GetNext=function(){return this.m_next};D.prototype.GetWorld=function(){return this.m_world};D.prototype.GetBodyList=function(){return this.m_bodyList};C.b2ControllerEdge=function(){};Box2D.inherit(J,Box2D.Dynamics.Controllers.b2Controller);J.prototype.__super=Box2D.Dynamics.Controllers.b2Controller.prototype;J.b2GravityController=function(){Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this,arguments);this.G=1;this.invSqr=true};J.prototype.Step=function(){var K=null,R=null,S=null,F=0,B=null,G=null,Q=null,U=0,A=0,T=0;U=null;if(this.invSqr){for(K=this.m_bodyList;K;K=K.nextBody){R=K.body;S=R.GetWorldCenter();F=R.GetMass();for(B=this.m_bodyList;B!=K;B=B.nextBody){G=B.body;Q=G.GetWorldCenter();U=Q.x-S.x;A=Q.y-S.y;T=U*U+A*A;if(!(T<Number.MIN_VALUE)){U=new M(U,A);U.Multiply(this.G/T/Math.sqrt(T)*F*G.GetMass());R.IsAwake()&&R.ApplyForce(U,S);U.Multiply(-1);G.IsAwake()&&G.ApplyForce(U,Q)}}}}else{for(K=this.m_bodyList;K;K=K.nextBody){R=K.body;S=R.GetWorldCenter();F=R.GetMass();for(B=this.m_bodyList;B!=K;B=B.nextBody){G=B.body;Q=G.GetWorldCenter();U=Q.x-S.x;A=Q.y-S.y;T=U*U+A*A;if(!(T<Number.MIN_VALUE)){U=new M(U,A);U.Multiply(this.G/T*F*G.GetMass());R.IsAwake()&&R.ApplyForce(U,S);U.Multiply(-1);G.IsAwake()&&G.ApplyForce(U,Q)}}}}};Box2D.inherit(H,Box2D.Dynamics.Controllers.b2Controller);H.prototype.__super=Box2D.Dynamics.Controllers.b2Controller.prototype;H.b2TensorDampingController=function(){Box2D.Dynamics.Controllers.b2Controller.b2Controller.apply(this,arguments);this.T=new P;this.maxTimestep=0};H.prototype.SetAxisAligned=function(B,A){if(B===undefined){B=0}if(A===undefined){A=0}this.T.col1.x=-B;this.T.col1.y=0;this.T.col2.x=0;this.T.col2.y=-A;this.maxTimestep=B>0||A>0?1/Math.max(B,A):0};H.prototype.Step=function(G){G=G.dt;if(!(G<=Number.MIN_VALUE)){if(G>this.maxTimestep&&this.maxTimestep>0){G=this.maxTimestep}for(var B=this.m_bodyList;B;B=B.nextBody){var F=B.body;if(F.IsAwake()){var A=F.GetWorldVector(O.MulMV(this.T,F.GetLocalVector(F.GetLinearVelocity())));F.SetLinearVelocity(new M(F.GetLinearVelocity().x+A.x*G,F.GetLinearVelocity().y+A.y*G))}}}}})();(function(){var AC=Box2D.Common.b2Settings,AA=Box2D.Common.Math.b2Mat22,o=Box2D.Common.Math.b2Mat33,r=Box2D.Common.Math.b2Math,x=Box2D.Common.Math.b2Vec2,AG=Box2D.Common.Math.b2Vec3,X=Box2D.Dynamics.Joints.b2DistanceJoint,AH=Box2D.Dynamics.Joints.b2DistanceJointDef,AF=Box2D.Dynamics.Joints.b2FrictionJoint,f=Box2D.Dynamics.Joints.b2FrictionJointDef,T=Box2D.Dynamics.Joints.b2GearJoint,l=Box2D.Dynamics.Joints.b2GearJointDef,m=Box2D.Dynamics.Joints.b2Jacobian,s=Box2D.Dynamics.Joints.b2Joint,P=Box2D.Dynamics.Joints.b2JointDef,J=Box2D.Dynamics.Joints.b2JointEdge,AI=Box2D.Dynamics.Joints.b2LineJoint,n=Box2D.Dynamics.Joints.b2LineJointDef,AB=Box2D.Dynamics.Joints.b2MouseJoint,AE=Box2D.Dynamics.Joints.b2MouseJointDef,t=Box2D.Dynamics.Joints.b2PrismaticJoint,g=Box2D.Dynamics.Joints.b2PrismaticJointDef,AD=Box2D.Dynamics.Joints.b2PulleyJoint,e=Box2D.Dynamics.Joints.b2PulleyJointDef,h=Box2D.Dynamics.Joints.b2RevoluteJoint,b=Box2D.Dynamics.Joints.b2RevoluteJointDef,AJ=Box2D.Dynamics.Joints.b2WeldJoint,C=Box2D.Dynamics.Joints.b2WeldJointDef;Box2D.inherit(X,Box2D.Dynamics.Joints.b2Joint);X.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;X.b2DistanceJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_localAnchor1=new x;this.m_localAnchor2=new x;this.m_u=new x};X.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};X.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};X.prototype.GetReactionForce=function(A){if(A===undefined){A=0}return new x(A*this.m_impulse*this.m_u.x,A*this.m_impulse*this.m_u.y)};X.prototype.GetReactionTorque=function(){return 0};X.prototype.GetLength=function(){return this.m_length};X.prototype.SetLength=function(A){if(A===undefined){A=0}this.m_length=A};X.prototype.GetFrequency=function(){return this.m_frequencyHz};X.prototype.SetFrequency=function(A){if(A===undefined){A=0}this.m_frequencyHz=A};X.prototype.GetDampingRatio=function(){return this.m_dampingRatio};X.prototype.SetDampingRatio=function(A){if(A===undefined){A=0}this.m_dampingRatio=A};X.prototype.b2DistanceJoint=function(A){this.__super.b2Joint.call(this,A);this.m_localAnchor1.SetV(A.localAnchorA);this.m_localAnchor2.SetV(A.localAnchorB);this.m_length=A.length;this.m_frequencyHz=A.frequencyHz;this.m_dampingRatio=A.dampingRatio;this.m_bias=this.m_gamma=this.m_impulse=0};X.prototype.InitVelocityConstraints=function(I){var G,E=0,F=this.m_bodyA,B=this.m_bodyB;G=F.m_xf.R;var A=this.m_localAnchor1.x-F.m_sweep.localCenter.x,D=this.m_localAnchor1.y-F.m_sweep.localCenter.y;E=G.col1.x*A+G.col2.x*D;D=G.col1.y*A+G.col2.y*D;A=E;G=B.m_xf.R;var M=this.m_localAnchor2.x-B.m_sweep.localCenter.x,K=this.m_localAnchor2.y-B.m_sweep.localCenter.y;E=G.col1.x*M+G.col2.x*K;K=G.col1.y*M+G.col2.y*K;M=E;this.m_u.x=B.m_sweep.c.x+M-F.m_sweep.c.x-A;this.m_u.y=B.m_sweep.c.y+K-F.m_sweep.c.y-D;E=Math.sqrt(this.m_u.x*this.m_u.x+this.m_u.y*this.m_u.y);E>AC.b2_linearSlop?this.m_u.Multiply(1/E):this.m_u.SetZero();G=A*this.m_u.y-D*this.m_u.x;var H=M*this.m_u.y-K*this.m_u.x;G=F.m_invMass+F.m_invI*G*G+B.m_invMass+B.m_invI*H*H;this.m_mass=G!=0?1/G:0;if(this.m_frequencyHz>0){E=E-this.m_length;H=2*Math.PI*this.m_frequencyHz;var L=this.m_mass*H*H;this.m_gamma=I.dt*(2*this.m_mass*this.m_dampingRatio*H+I.dt*L);this.m_gamma=this.m_gamma!=0?1/this.m_gamma:0;this.m_bias=E*I.dt*L*this.m_gamma;this.m_mass=G+this.m_gamma;this.m_mass=this.m_mass!=0?1/this.m_mass:0}if(I.warmStarting){this.m_impulse*=I.dtRatio;I=this.m_impulse*this.m_u.x;G=this.m_impulse*this.m_u.y;F.m_linearVelocity.x-=F.m_invMass*I;F.m_linearVelocity.y-=F.m_invMass*G;F.m_angularVelocity-=F.m_invI*(A*G-D*I);B.m_linearVelocity.x+=B.m_invMass*I;B.m_linearVelocity.y+=B.m_invMass*G;B.m_angularVelocity+=B.m_invI*(M*G-K*I)}else{this.m_impulse=0}};X.prototype.SolveVelocityConstraints=function(){var H,E=this.m_bodyA,B=this.m_bodyB;H=E.m_xf.R;var D=this.m_localAnchor1.x-E.m_sweep.localCenter.x,G=this.m_localAnchor1.y-E.m_sweep.localCenter.y,F=H.col1.x*D+H.col2.x*G;G=H.col1.y*D+H.col2.y*G;D=F;H=B.m_xf.R;var I=this.m_localAnchor2.x-B.m_sweep.localCenter.x,A=this.m_localAnchor2.y-B.m_sweep.localCenter.y;F=H.col1.x*I+H.col2.x*A;A=H.col1.y*I+H.col2.y*A;I=F;F=-this.m_mass*(this.m_u.x*(B.m_linearVelocity.x+-B.m_angularVelocity*A-(E.m_linearVelocity.x+-E.m_angularVelocity*G))+this.m_u.y*(B.m_linearVelocity.y+B.m_angularVelocity*I-(E.m_linearVelocity.y+E.m_angularVelocity*D))+this.m_bias+this.m_gamma*this.m_impulse);this.m_impulse+=F;H=F*this.m_u.x;F=F*this.m_u.y;E.m_linearVelocity.x-=E.m_invMass*H;E.m_linearVelocity.y-=E.m_invMass*F;E.m_angularVelocity-=E.m_invI*(D*F-G*H);B.m_linearVelocity.x+=B.m_invMass*H;B.m_linearVelocity.y+=B.m_invMass*F;B.m_angularVelocity+=B.m_invI*(I*F-A*H)};X.prototype.SolvePositionConstraints=function(){var I;if(this.m_frequencyHz>0){return true}var G=this.m_bodyA,E=this.m_bodyB;I=G.m_xf.R;var F=this.m_localAnchor1.x-G.m_sweep.localCenter.x,B=this.m_localAnchor1.y-G.m_sweep.localCenter.y,A=I.col1.x*F+I.col2.x*B;B=I.col1.y*F+I.col2.y*B;F=A;I=E.m_xf.R;var D=this.m_localAnchor2.x-E.m_sweep.localCenter.x,L=this.m_localAnchor2.y-E.m_sweep.localCenter.y;A=I.col1.x*D+I.col2.x*L;L=I.col1.y*D+I.col2.y*L;D=A;A=E.m_sweep.c.x+D-G.m_sweep.c.x-F;var K=E.m_sweep.c.y+L-G.m_sweep.c.y-B;I=Math.sqrt(A*A+K*K);A/=I;K/=I;I=I-this.m_length;I=r.Clamp(I,-AC.b2_maxLinearCorrection,AC.b2_maxLinearCorrection);var H=-this.m_mass*I;this.m_u.Set(A,K);A=H*this.m_u.x;K=H*this.m_u.y;G.m_sweep.c.x-=G.m_invMass*A;G.m_sweep.c.y-=G.m_invMass*K;G.m_sweep.a-=G.m_invI*(F*K-B*A);E.m_sweep.c.x+=E.m_invMass*A;E.m_sweep.c.y+=E.m_invMass*K;E.m_sweep.a+=E.m_invI*(D*K-L*A);G.SynchronizeTransform();E.SynchronizeTransform();return r.Abs(I)<AC.b2_linearSlop};Box2D.inherit(AH,Box2D.Dynamics.Joints.b2JointDef);AH.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;AH.b2DistanceJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=new x;this.localAnchorB=new x};AH.prototype.b2DistanceJointDef=function(){this.__super.b2JointDef.call(this);this.type=s.e_distanceJoint;this.length=1;this.dampingRatio=this.frequencyHz=0};AH.prototype.Initialize=function(E,D,A,B){this.bodyA=E;this.bodyB=D;this.localAnchorA.SetV(this.bodyA.GetLocalPoint(A));this.localAnchorB.SetV(this.bodyB.GetLocalPoint(B));E=B.x-A.x;A=B.y-A.y;this.length=Math.sqrt(E*E+A*A);this.dampingRatio=this.frequencyHz=0};Box2D.inherit(AF,Box2D.Dynamics.Joints.b2Joint);AF.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;AF.b2FrictionJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_localAnchorA=new x;this.m_localAnchorB=new x;this.m_linearMass=new AA;this.m_linearImpulse=new x};AF.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA)};AF.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB)};AF.prototype.GetReactionForce=function(A){if(A===undefined){A=0}return new x(A*this.m_linearImpulse.x,A*this.m_linearImpulse.y)};AF.prototype.GetReactionTorque=function(A){if(A===undefined){A=0}return A*this.m_angularImpulse};AF.prototype.SetMaxForce=function(A){if(A===undefined){A=0}this.m_maxForce=A};AF.prototype.GetMaxForce=function(){return this.m_maxForce};AF.prototype.SetMaxTorque=function(A){if(A===undefined){A=0}this.m_maxTorque=A};AF.prototype.GetMaxTorque=function(){return this.m_maxTorque};AF.prototype.b2FrictionJoint=function(A){this.__super.b2Joint.call(this,A);this.m_localAnchorA.SetV(A.localAnchorA);this.m_localAnchorB.SetV(A.localAnchorB);this.m_linearMass.SetZero();this.m_angularMass=0;this.m_linearImpulse.SetZero();this.m_angularImpulse=0;this.m_maxForce=A.maxForce;this.m_maxTorque=A.maxTorque};AF.prototype.InitVelocityConstraints=function(K){var G,E=0,F=this.m_bodyA,B=this.m_bodyB;G=F.m_xf.R;var A=this.m_localAnchorA.x-F.m_sweep.localCenter.x,D=this.m_localAnchorA.y-F.m_sweep.localCenter.y;E=G.col1.x*A+G.col2.x*D;D=G.col1.y*A+G.col2.y*D;A=E;G=B.m_xf.R;var N=this.m_localAnchorB.x-B.m_sweep.localCenter.x,L=this.m_localAnchorB.y-B.m_sweep.localCenter.y;E=G.col1.x*N+G.col2.x*L;L=G.col1.y*N+G.col2.y*L;N=E;G=F.m_invMass;E=B.m_invMass;var H=F.m_invI,M=B.m_invI,I=new AA;I.col1.x=G+E;I.col2.x=0;I.col1.y=0;I.col2.y=G+E;I.col1.x+=H*D*D;I.col2.x+=-H*A*D;I.col1.y+=-H*A*D;I.col2.y+=H*A*A;I.col1.x+=M*L*L;I.col2.x+=-M*N*L;I.col1.y+=-M*N*L;I.col2.y+=M*N*N;I.GetInverse(this.m_linearMass);this.m_angularMass=H+M;if(this.m_angularMass>0){this.m_angularMass=1/this.m_angularMass}if(K.warmStarting){this.m_linearImpulse.x*=K.dtRatio;this.m_linearImpulse.y*=K.dtRatio;this.m_angularImpulse*=K.dtRatio;K=this.m_linearImpulse;F.m_linearVelocity.x-=G*K.x;F.m_linearVelocity.y-=G*K.y;F.m_angularVelocity-=H*(A*K.y-D*K.x+this.m_angularImpulse);B.m_linearVelocity.x+=E*K.x;B.m_linearVelocity.y+=E*K.y;B.m_angularVelocity+=M*(N*K.y-L*K.x+this.m_angularImpulse)}else{this.m_linearImpulse.SetZero();this.m_angularImpulse=0}};AF.prototype.SolveVelocityConstraints=function(R){var M,K=0,L=this.m_bodyA,G=this.m_bodyB,F=L.m_linearVelocity,H=L.m_angularVelocity,V=G.m_linearVelocity,S=G.m_angularVelocity,N=L.m_invMass,U=G.m_invMass,Q=L.m_invI,O=G.m_invI;M=L.m_xf.R;var I=this.m_localAnchorA.x-L.m_sweep.localCenter.x,E=this.m_localAnchorA.y-L.m_sweep.localCenter.y;K=M.col1.x*I+M.col2.x*E;E=M.col1.y*I+M.col2.y*E;I=K;M=G.m_xf.R;var D=this.m_localAnchorB.x-G.m_sweep.localCenter.x,A=this.m_localAnchorB.y-G.m_sweep.localCenter.y;K=M.col1.x*D+M.col2.x*A;A=M.col1.y*D+M.col2.y*A;D=K;M=0;K=-this.m_angularMass*(S-H);var B=this.m_angularImpulse;M=R.dt*this.m_maxTorque;this.m_angularImpulse=r.Clamp(this.m_angularImpulse+K,-M,M);K=this.m_angularImpulse-B;H-=Q*K;S+=O*K;M=r.MulMV(this.m_linearMass,new x(-(V.x-S*A-F.x+H*E),-(V.y+S*D-F.y-H*I)));K=this.m_linearImpulse.Copy();this.m_linearImpulse.Add(M);M=R.dt*this.m_maxForce;if(this.m_linearImpulse.LengthSquared()>M*M){this.m_linearImpulse.Normalize();this.m_linearImpulse.Multiply(M)}M=r.SubtractVV(this.m_linearImpulse,K);F.x-=N*M.x;F.y-=N*M.y;H-=Q*(I*M.y-E*M.x);V.x+=U*M.x;V.y+=U*M.y;S+=O*(D*M.y-A*M.x);L.m_angularVelocity=H;G.m_angularVelocity=S};AF.prototype.SolvePositionConstraints=function(){return true};Box2D.inherit(f,Box2D.Dynamics.Joints.b2JointDef);f.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;f.b2FrictionJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=new x;this.localAnchorB=new x};f.prototype.b2FrictionJointDef=function(){this.__super.b2JointDef.call(this);this.type=s.e_frictionJoint;this.maxTorque=this.maxForce=0};f.prototype.Initialize=function(D,B,A){this.bodyA=D;this.bodyB=B;this.localAnchorA.SetV(this.bodyA.GetLocalPoint(A));this.localAnchorB.SetV(this.bodyB.GetLocalPoint(A))};Box2D.inherit(T,Box2D.Dynamics.Joints.b2Joint);T.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;T.b2GearJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_groundAnchor1=new x;this.m_groundAnchor2=new x;this.m_localAnchor1=new x;this.m_localAnchor2=new x;this.m_J=new m};T.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};T.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};T.prototype.GetReactionForce=function(A){if(A===undefined){A=0}return new x(A*this.m_impulse*this.m_J.linearB.x,A*this.m_impulse*this.m_J.linearB.y)};T.prototype.GetReactionTorque=function(F){if(F===undefined){F=0}var D=this.m_bodyB.m_xf.R,A=this.m_localAnchor1.x-this.m_bodyB.m_sweep.localCenter.x,B=this.m_localAnchor1.y-this.m_bodyB.m_sweep.localCenter.y,E=D.col1.x*A+D.col2.x*B;B=D.col1.y*A+D.col2.y*B;A=E;return F*(this.m_impulse*this.m_J.angularB-A*this.m_impulse*this.m_J.linearB.y+B*this.m_impulse*this.m_J.linearB.x)};T.prototype.GetRatio=function(){return this.m_ratio};T.prototype.SetRatio=function(A){if(A===undefined){A=0}this.m_ratio=A};T.prototype.b2GearJoint=function(F){this.__super.b2Joint.call(this,F);var D=parseInt(F.joint1.m_type),A=parseInt(F.joint2.m_type);this.m_prismatic2=this.m_revolute2=this.m_prismatic1=this.m_revolute1=null;var B=0,E=0;this.m_ground1=F.joint1.GetBodyA();this.m_bodyA=F.joint1.GetBodyB();if(D==s.e_revoluteJoint){this.m_revolute1=F.joint1 instanceof h?F.joint1:null;this.m_groundAnchor1.SetV(this.m_revolute1.m_localAnchor1);this.m_localAnchor1.SetV(this.m_revolute1.m_localAnchor2);B=this.m_revolute1.GetJointAngle()}else{this.m_prismatic1=F.joint1 instanceof t?F.joint1:null;this.m_groundAnchor1.SetV(this.m_prismatic1.m_localAnchor1);this.m_localAnchor1.SetV(this.m_prismatic1.m_localAnchor2);B=this.m_prismatic1.GetJointTranslation()}this.m_ground2=F.joint2.GetBodyA();this.m_bodyB=F.joint2.GetBodyB();if(A==s.e_revoluteJoint){this.m_revolute2=F.joint2 instanceof h?F.joint2:null;this.m_groundAnchor2.SetV(this.m_revolute2.m_localAnchor1);this.m_localAnchor2.SetV(this.m_revolute2.m_localAnchor2);E=this.m_revolute2.GetJointAngle()}else{this.m_prismatic2=F.joint2 instanceof t?F.joint2:null;this.m_groundAnchor2.SetV(this.m_prismatic2.m_localAnchor1);this.m_localAnchor2.SetV(this.m_prismatic2.m_localAnchor2);E=this.m_prismatic2.GetJointTranslation()}this.m_ratio=F.ratio;this.m_constant=B+this.m_ratio*E;this.m_impulse=0};T.prototype.InitVelocityConstraints=function(I){var G=this.m_ground1,E=this.m_ground2,F=this.m_bodyA,B=this.m_bodyB,A=0,D=0,M=0,K=0,H=M=0,L=0;this.m_J.SetZero();if(this.m_revolute1){this.m_J.angularA=-1;L+=F.m_invI}else{G=G.m_xf.R;D=this.m_prismatic1.m_localXAxis1;A=G.col1.x*D.x+G.col2.x*D.y;D=G.col1.y*D.x+G.col2.y*D.y;G=F.m_xf.R;M=this.m_localAnchor1.x-F.m_sweep.localCenter.x;K=this.m_localAnchor1.y-F.m_sweep.localCenter.y;H=G.col1.x*M+G.col2.x*K;K=G.col1.y*M+G.col2.y*K;M=H;M=M*D-K*A;this.m_J.linearA.Set(-A,-D);this.m_J.angularA=-M;L+=F.m_invMass+F.m_invI*M*M}if(this.m_revolute2){this.m_J.angularB=-this.m_ratio;L+=this.m_ratio*this.m_ratio*B.m_invI}else{G=E.m_xf.R;D=this.m_prismatic2.m_localXAxis1;A=G.col1.x*D.x+G.col2.x*D.y;D=G.col1.y*D.x+G.col2.y*D.y;G=B.m_xf.R;M=this.m_localAnchor2.x-B.m_sweep.localCenter.x;K=this.m_localAnchor2.y-B.m_sweep.localCenter.y;H=G.col1.x*M+G.col2.x*K;K=G.col1.y*M+G.col2.y*K;M=H;M=M*D-K*A;this.m_J.linearB.Set(-this.m_ratio*A,-this.m_ratio*D);this.m_J.angularB=-this.m_ratio*M;L+=this.m_ratio*this.m_ratio*(B.m_invMass+B.m_invI*M*M)}this.m_mass=L>0?1/L:0;if(I.warmStarting){F.m_linearVelocity.x+=F.m_invMass*this.m_impulse*this.m_J.linearA.x;F.m_linearVelocity.y+=F.m_invMass*this.m_impulse*this.m_J.linearA.y;F.m_angularVelocity+=F.m_invI*this.m_impulse*this.m_J.angularA;B.m_linearVelocity.x+=B.m_invMass*this.m_impulse*this.m_J.linearB.x;B.m_linearVelocity.y+=B.m_invMass*this.m_impulse*this.m_J.linearB.y;B.m_angularVelocity+=B.m_invI*this.m_impulse*this.m_J.angularB}else{this.m_impulse=0}};T.prototype.SolveVelocityConstraints=function(){var D=this.m_bodyA,B=this.m_bodyB,A=-this.m_mass*this.m_J.Compute(D.m_linearVelocity,D.m_angularVelocity,B.m_linearVelocity,B.m_angularVelocity);this.m_impulse+=A;D.m_linearVelocity.x+=D.m_invMass*A*this.m_J.linearA.x;D.m_linearVelocity.y+=D.m_invMass*A*this.m_J.linearA.y;D.m_angularVelocity+=D.m_invI*A*this.m_J.angularA;B.m_linearVelocity.x+=B.m_invMass*A*this.m_J.linearB.x;B.m_linearVelocity.y+=B.m_invMass*A*this.m_J.linearB.y;B.m_angularVelocity+=B.m_invI*A*this.m_J.angularB};T.prototype.SolvePositionConstraints=function(){var E=this.m_bodyA,D=this.m_bodyB,A=0,B=0;A=this.m_revolute1?this.m_revolute1.GetJointAngle():this.m_prismatic1.GetJointTranslation();B=this.m_revolute2?this.m_revolute2.GetJointAngle():this.m_prismatic2.GetJointTranslation();A=-this.m_mass*(this.m_constant-(A+this.m_ratio*B));E.m_sweep.c.x+=E.m_invMass*A*this.m_J.linearA.x;E.m_sweep.c.y+=E.m_invMass*A*this.m_J.linearA.y;E.m_sweep.a+=E.m_invI*A*this.m_J.angularA;D.m_sweep.c.x+=D.m_invMass*A*this.m_J.linearB.x;D.m_sweep.c.y+=D.m_invMass*A*this.m_J.linearB.y;D.m_sweep.a+=D.m_invI*A*this.m_J.angularB;E.SynchronizeTransform();D.SynchronizeTransform();return 0<AC.b2_linearSlop};Box2D.inherit(l,Box2D.Dynamics.Joints.b2JointDef);l.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;l.b2GearJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments)};l.prototype.b2GearJointDef=function(){this.__super.b2JointDef.call(this);this.type=s.e_gearJoint;this.joint2=this.joint1=null;this.ratio=1};m.b2Jacobian=function(){this.linearA=new x;this.linearB=new x};m.prototype.SetZero=function(){this.linearA.SetZero();this.angularA=0;this.linearB.SetZero();this.angularB=0};m.prototype.Set=function(E,D,A,B){if(D===undefined){D=0}if(B===undefined){B=0}this.linearA.SetV(E);this.angularA=D;this.linearB.SetV(A);this.angularB=B};m.prototype.Compute=function(E,D,A,B){if(D===undefined){D=0}if(B===undefined){B=0}return this.linearA.x*E.x+this.linearA.y*E.y+this.angularA*D+(this.linearB.x*A.x+this.linearB.y*A.y)+this.angularB*B};s.b2Joint=function(){this.m_edgeA=new J;this.m_edgeB=new J;this.m_localCenterA=new x;this.m_localCenterB=new x};s.prototype.GetType=function(){return this.m_type};s.prototype.GetAnchorA=function(){return null};s.prototype.GetAnchorB=function(){return null};s.prototype.GetReactionForce=function(){return null};s.prototype.GetReactionTorque=function(){return 0};s.prototype.GetBodyA=function(){return this.m_bodyA};s.prototype.GetBodyB=function(){return this.m_bodyB};s.prototype.GetNext=function(){return this.m_next};s.prototype.GetUserData=function(){return this.m_userData};s.prototype.SetUserData=function(A){this.m_userData=A};s.prototype.IsActive=function(){return this.m_bodyA.IsActive()&&this.m_bodyB.IsActive()};s.Create=function(B){var A=null;switch(B.type){case s.e_distanceJoint:A=new X(B instanceof AH?B:null);break;case s.e_mouseJoint:A=new AB(B instanceof AE?B:null);break;case s.e_prismaticJoint:A=new t(B instanceof g?B:null);break;case s.e_revoluteJoint:A=new h(B instanceof b?B:null);break;case s.e_pulleyJoint:A=new AD(B instanceof e?B:null);break;case s.e_gearJoint:A=new T(B instanceof l?B:null);break;case s.e_lineJoint:A=new AI(B instanceof n?B:null);break;case s.e_weldJoint:A=new AJ(B instanceof C?B:null);break;case s.e_frictionJoint:A=new AF(B instanceof f?B:null)}return A};s.Destroy=function(){};s.prototype.b2Joint=function(A){AC.b2Assert(A.bodyA!=A.bodyB);this.m_type=A.type;this.m_next=this.m_prev=null;this.m_bodyA=A.bodyA;this.m_bodyB=A.bodyB;this.m_collideConnected=A.collideConnected;this.m_islandFlag=false;this.m_userData=A.userData};s.prototype.InitVelocityConstraints=function(){};s.prototype.SolveVelocityConstraints=function(){};s.prototype.FinalizeVelocityConstraints=function(){};s.prototype.SolvePositionConstraints=function(){return false};Box2D.postDefs.push(function(){Box2D.Dynamics.Joints.b2Joint.e_unknownJoint=0;Box2D.Dynamics.Joints.b2Joint.e_revoluteJoint=1;Box2D.Dynamics.Joints.b2Joint.e_prismaticJoint=2;Box2D.Dynamics.Joints.b2Joint.e_distanceJoint=3;Box2D.Dynamics.Joints.b2Joint.e_pulleyJoint=4;Box2D.Dynamics.Joints.b2Joint.e_mouseJoint=5;Box2D.Dynamics.Joints.b2Joint.e_gearJoint=6;Box2D.Dynamics.Joints.b2Joint.e_lineJoint=7;Box2D.Dynamics.Joints.b2Joint.e_weldJoint=8;Box2D.Dynamics.Joints.b2Joint.e_frictionJoint=9;Box2D.Dynamics.Joints.b2Joint.e_inactiveLimit=0;Box2D.Dynamics.Joints.b2Joint.e_atLowerLimit=1;Box2D.Dynamics.Joints.b2Joint.e_atUpperLimit=2;Box2D.Dynamics.Joints.b2Joint.e_equalLimits=3});P.b2JointDef=function(){};P.prototype.b2JointDef=function(){this.type=s.e_unknownJoint;this.bodyB=this.bodyA=this.userData=null;this.collideConnected=false};J.b2JointEdge=function(){};Box2D.inherit(AI,Box2D.Dynamics.Joints.b2Joint);AI.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;AI.b2LineJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_localAnchor1=new x;this.m_localAnchor2=new x;this.m_localXAxis1=new x;this.m_localYAxis1=new x;this.m_axis=new x;this.m_perp=new x;this.m_K=new AA;this.m_impulse=new x};AI.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};AI.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};AI.prototype.GetReactionForce=function(A){if(A===undefined){A=0}return new x(A*(this.m_impulse.x*this.m_perp.x+(this.m_motorImpulse+this.m_impulse.y)*this.m_axis.x),A*(this.m_impulse.x*this.m_perp.y+(this.m_motorImpulse+this.m_impulse.y)*this.m_axis.y))};AI.prototype.GetReactionTorque=function(A){if(A===undefined){A=0}return A*this.m_impulse.y};AI.prototype.GetJointTranslation=function(){var E=this.m_bodyA,D=this.m_bodyB,A=E.GetWorldPoint(this.m_localAnchor1),B=D.GetWorldPoint(this.m_localAnchor2);D=B.x-A.x;A=B.y-A.y;E=E.GetWorldVector(this.m_localXAxis1);return E.x*D+E.y*A};AI.prototype.GetJointSpeed=function(){var I=this.m_bodyA,G=this.m_bodyB,E;E=I.m_xf.R;var F=this.m_localAnchor1.x-I.m_sweep.localCenter.x,B=this.m_localAnchor1.y-I.m_sweep.localCenter.y,A=E.col1.x*F+E.col2.x*B;B=E.col1.y*F+E.col2.y*B;F=A;E=G.m_xf.R;var D=this.m_localAnchor2.x-G.m_sweep.localCenter.x,M=this.m_localAnchor2.y-G.m_sweep.localCenter.y;A=E.col1.x*D+E.col2.x*M;M=E.col1.y*D+E.col2.y*M;D=A;E=G.m_sweep.c.x+D-(I.m_sweep.c.x+F);A=G.m_sweep.c.y+M-(I.m_sweep.c.y+B);var K=I.GetWorldVector(this.m_localXAxis1),H=I.m_linearVelocity,L=G.m_linearVelocity;I=I.m_angularVelocity;G=G.m_angularVelocity;return E*-I*K.y+A*I*K.x+(K.x*(L.x+-G*M-H.x- -I*B)+K.y*(L.y+G*D-H.y-I*F))};AI.prototype.IsLimitEnabled=function(){return this.m_enableLimit};AI.prototype.EnableLimit=function(A){this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_enableLimit=A};AI.prototype.GetLowerLimit=function(){return this.m_lowerTranslation};AI.prototype.GetUpperLimit=function(){return this.m_upperTranslation};AI.prototype.SetLimits=function(B,A){if(B===undefined){B=0}if(A===undefined){A=0}this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_lowerTranslation=B;this.m_upperTranslation=A};AI.prototype.IsMotorEnabled=function(){return this.m_enableMotor};AI.prototype.EnableMotor=function(A){this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_enableMotor=A};AI.prototype.SetMotorSpeed=function(A){if(A===undefined){A=0}this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_motorSpeed=A};AI.prototype.GetMotorSpeed=function(){return this.m_motorSpeed};AI.prototype.SetMaxMotorForce=function(A){if(A===undefined){A=0}this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_maxMotorForce=A};AI.prototype.GetMaxMotorForce=function(){return this.m_maxMotorForce};AI.prototype.GetMotorForce=function(){return this.m_motorImpulse};AI.prototype.b2LineJoint=function(A){this.__super.b2Joint.call(this,A);this.m_localAnchor1.SetV(A.localAnchorA);this.m_localAnchor2.SetV(A.localAnchorB);this.m_localXAxis1.SetV(A.localAxisA);this.m_localYAxis1.x=-this.m_localXAxis1.y;this.m_localYAxis1.y=this.m_localXAxis1.x;this.m_impulse.SetZero();this.m_motorImpulse=this.m_motorMass=0;this.m_lowerTranslation=A.lowerTranslation;this.m_upperTranslation=A.upperTranslation;this.m_maxMotorForce=A.maxMotorForce;this.m_motorSpeed=A.motorSpeed;this.m_enableLimit=A.enableLimit;this.m_enableMotor=A.enableMotor;this.m_limitState=s.e_inactiveLimit;this.m_axis.SetZero();this.m_perp.SetZero()};AI.prototype.InitVelocityConstraints=function(I){var G=this.m_bodyA,E=this.m_bodyB,F,B=0;this.m_localCenterA.SetV(G.GetLocalCenter());this.m_localCenterB.SetV(E.GetLocalCenter());var A=G.GetTransform();E.GetTransform();F=G.m_xf.R;var D=this.m_localAnchor1.x-this.m_localCenterA.x,L=this.m_localAnchor1.y-this.m_localCenterA.y;B=F.col1.x*D+F.col2.x*L;L=F.col1.y*D+F.col2.y*L;D=B;F=E.m_xf.R;var K=this.m_localAnchor2.x-this.m_localCenterB.x,H=this.m_localAnchor2.y-this.m_localCenterB.y;B=F.col1.x*K+F.col2.x*H;H=F.col1.y*K+F.col2.y*H;K=B;F=E.m_sweep.c.x+K-G.m_sweep.c.x-D;B=E.m_sweep.c.y+H-G.m_sweep.c.y-L;this.m_invMassA=G.m_invMass;this.m_invMassB=E.m_invMass;this.m_invIA=G.m_invI;this.m_invIB=E.m_invI;this.m_axis.SetV(r.MulMV(A.R,this.m_localXAxis1));this.m_a1=(F+D)*this.m_axis.y-(B+L)*this.m_axis.x;this.m_a2=K*this.m_axis.y-H*this.m_axis.x;this.m_motorMass=this.m_invMassA+this.m_invMassB+this.m_invIA*this.m_a1*this.m_a1+this.m_invIB*this.m_a2*this.m_a2;this.m_motorMass=this.m_motorMass>Number.MIN_VALUE?1/this.m_motorMass:0;this.m_perp.SetV(r.MulMV(A.R,this.m_localYAxis1));this.m_s1=(F+D)*this.m_perp.y-(B+L)*this.m_perp.x;this.m_s2=K*this.m_perp.y-H*this.m_perp.x;A=this.m_invMassA;D=this.m_invMassB;L=this.m_invIA;K=this.m_invIB;this.m_K.col1.x=A+D+L*this.m_s1*this.m_s1+K*this.m_s2*this.m_s2;this.m_K.col1.y=L*this.m_s1*this.m_a1+K*this.m_s2*this.m_a2;this.m_K.col2.x=this.m_K.col1.y;this.m_K.col2.y=A+D+L*this.m_a1*this.m_a1+K*this.m_a2*this.m_a2;if(this.m_enableLimit){F=this.m_axis.x*F+this.m_axis.y*B;if(r.Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*AC.b2_linearSlop){this.m_limitState=s.e_equalLimits}else{if(F<=this.m_lowerTranslation){if(this.m_limitState!=s.e_atLowerLimit){this.m_limitState=s.e_atLowerLimit;this.m_impulse.y=0}}else{if(F>=this.m_upperTranslation){if(this.m_limitState!=s.e_atUpperLimit){this.m_limitState=s.e_atUpperLimit;this.m_impulse.y=0}}else{this.m_limitState=s.e_inactiveLimit;this.m_impulse.y=0}}}}else{this.m_limitState=s.e_inactiveLimit}if(this.m_enableMotor==false){this.m_motorImpulse=0}if(I.warmStarting){this.m_impulse.x*=I.dtRatio;this.m_impulse.y*=I.dtRatio;this.m_motorImpulse*=I.dtRatio;I=this.m_impulse.x*this.m_perp.x+(this.m_motorImpulse+this.m_impulse.y)*this.m_axis.x;F=this.m_impulse.x*this.m_perp.y+(this.m_motorImpulse+this.m_impulse.y)*this.m_axis.y;B=this.m_impulse.x*this.m_s1+(this.m_motorImpulse+this.m_impulse.y)*this.m_a1;A=this.m_impulse.x*this.m_s2+(this.m_motorImpulse+this.m_impulse.y)*this.m_a2;G.m_linearVelocity.x-=this.m_invMassA*I;G.m_linearVelocity.y-=this.m_invMassA*F;G.m_angularVelocity-=this.m_invIA*B;E.m_linearVelocity.x+=this.m_invMassB*I;E.m_linearVelocity.y+=this.m_invMassB*F;E.m_angularVelocity+=this.m_invIB*A}else{this.m_impulse.SetZero();this.m_motorImpulse=0}};AI.prototype.SolveVelocityConstraints=function(I){var G=this.m_bodyA,E=this.m_bodyB,F=G.m_linearVelocity,B=G.m_angularVelocity,A=E.m_linearVelocity,D=E.m_angularVelocity,M=0,K=0,H=0,L=0;if(this.m_enableMotor&&this.m_limitState!=s.e_equalLimits){L=this.m_motorMass*(this.m_motorSpeed-(this.m_axis.x*(A.x-F.x)+this.m_axis.y*(A.y-F.y)+this.m_a2*D-this.m_a1*B));M=this.m_motorImpulse;K=I.dt*this.m_maxMotorForce;this.m_motorImpulse=r.Clamp(this.m_motorImpulse+L,-K,K);L=this.m_motorImpulse-M;M=L*this.m_axis.x;K=L*this.m_axis.y;H=L*this.m_a1;L=L*this.m_a2;F.x-=this.m_invMassA*M;F.y-=this.m_invMassA*K;B-=this.m_invIA*H;A.x+=this.m_invMassB*M;A.y+=this.m_invMassB*K;D+=this.m_invIB*L}K=this.m_perp.x*(A.x-F.x)+this.m_perp.y*(A.y-F.y)+this.m_s2*D-this.m_s1*B;if(this.m_enableLimit&&this.m_limitState!=s.e_inactiveLimit){H=this.m_axis.x*(A.x-F.x)+this.m_axis.y*(A.y-F.y)+this.m_a2*D-this.m_a1*B;M=this.m_impulse.Copy();I=this.m_K.Solve(new x,-K,-H);this.m_impulse.Add(I);if(this.m_limitState==s.e_atLowerLimit){this.m_impulse.y=r.Max(this.m_impulse.y,0)}else{if(this.m_limitState==s.e_atUpperLimit){this.m_impulse.y=r.Min(this.m_impulse.y,0)}}K=-K-(this.m_impulse.y-M.y)*this.m_K.col2.x;H=0;H=this.m_K.col1.x!=0?K/this.m_K.col1.x+M.x:M.x;this.m_impulse.x=H;I.x=this.m_impulse.x-M.x;I.y=this.m_impulse.y-M.y;M=I.x*this.m_perp.x+I.y*this.m_axis.x;K=I.x*this.m_perp.y+I.y*this.m_axis.y;H=I.x*this.m_s1+I.y*this.m_a1;L=I.x*this.m_s2+I.y*this.m_a2}else{I=0;I=this.m_K.col1.x!=0?-K/this.m_K.col1.x:0;this.m_impulse.x+=I;M=I*this.m_perp.x;K=I*this.m_perp.y;H=I*this.m_s1;L=I*this.m_s2}F.x-=this.m_invMassA*M;F.y-=this.m_invMassA*K;B-=this.m_invIA*H;A.x+=this.m_invMassB*M;A.y+=this.m_invMassB*K;D+=this.m_invIB*L;G.m_linearVelocity.SetV(F);G.m_angularVelocity=B;E.m_linearVelocity.SetV(A);E.m_angularVelocity=D};AI.prototype.SolvePositionConstraints=function(){var N=this.m_bodyA,I=this.m_bodyB,G=N.m_sweep.c,H=N.m_sweep.a,D=I.m_sweep.c,B=I.m_sweep.a,E,R=0,O=0,K=0,Q=0,M=E=0,L=0;O=false;var F=0,A=AA.FromAngle(H);K=AA.FromAngle(B);E=A;L=this.m_localAnchor1.x-this.m_localCenterA.x;var U=this.m_localAnchor1.y-this.m_localCenterA.y;R=E.col1.x*L+E.col2.x*U;U=E.col1.y*L+E.col2.y*U;L=R;E=K;K=this.m_localAnchor2.x-this.m_localCenterB.x;Q=this.m_localAnchor2.y-this.m_localCenterB.y;R=E.col1.x*K+E.col2.x*Q;Q=E.col1.y*K+E.col2.y*Q;K=R;E=D.x+K-G.x-L;R=D.y+Q-G.y-U;if(this.m_enableLimit){this.m_axis=r.MulMV(A,this.m_localXAxis1);this.m_a1=(E+L)*this.m_axis.y-(R+U)*this.m_axis.x;this.m_a2=K*this.m_axis.y-Q*this.m_axis.x;var S=this.m_axis.x*E+this.m_axis.y*R;if(r.Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*AC.b2_linearSlop){F=r.Clamp(S,-AC.b2_maxLinearCorrection,AC.b2_maxLinearCorrection);M=r.Abs(S);O=true}else{if(S<=this.m_lowerTranslation){F=r.Clamp(S-this.m_lowerTranslation+AC.b2_linearSlop,-AC.b2_maxLinearCorrection,0);M=this.m_lowerTranslation-S;O=true}else{if(S>=this.m_upperTranslation){F=r.Clamp(S-this.m_upperTranslation+AC.b2_linearSlop,0,AC.b2_maxLinearCorrection);M=S-this.m_upperTranslation;O=true}}}}this.m_perp=r.MulMV(A,this.m_localYAxis1);this.m_s1=(E+L)*this.m_perp.y-(R+U)*this.m_perp.x;this.m_s2=K*this.m_perp.y-Q*this.m_perp.x;A=new x;U=this.m_perp.x*E+this.m_perp.y*R;M=r.Max(M,r.Abs(U));L=0;if(O){O=this.m_invMassA;K=this.m_invMassB;Q=this.m_invIA;E=this.m_invIB;this.m_K.col1.x=O+K+Q*this.m_s1*this.m_s1+E*this.m_s2*this.m_s2;this.m_K.col1.y=Q*this.m_s1*this.m_a1+E*this.m_s2*this.m_a2;this.m_K.col2.x=this.m_K.col1.y;this.m_K.col2.y=O+K+Q*this.m_a1*this.m_a1+E*this.m_a2*this.m_a2;this.m_K.Solve(A,-U,-F)}else{O=this.m_invMassA;K=this.m_invMassB;Q=this.m_invIA;E=this.m_invIB;F=O+K+Q*this.m_s1*this.m_s1+E*this.m_s2*this.m_s2;O=0;O=F!=0?-U/F:0;A.x=O;A.y=0}F=A.x*this.m_perp.x+A.y*this.m_axis.x;O=A.x*this.m_perp.y+A.y*this.m_axis.y;U=A.x*this.m_s1+A.y*this.m_a1;A=A.x*this.m_s2+A.y*this.m_a2;G.x-=this.m_invMassA*F;G.y-=this.m_invMassA*O;H-=this.m_invIA*U;D.x+=this.m_invMassB*F;D.y+=this.m_invMassB*O;B+=this.m_invIB*A;N.m_sweep.a=H;I.m_sweep.a=B;N.SynchronizeTransform();I.SynchronizeTransform();return M<=AC.b2_linearSlop&&L<=AC.b2_angularSlop};Box2D.inherit(n,Box2D.Dynamics.Joints.b2JointDef);n.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;n.b2LineJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=new x;this.localAnchorB=new x;this.localAxisA=new x};n.prototype.b2LineJointDef=function(){this.__super.b2JointDef.call(this);this.type=s.e_lineJoint;this.localAxisA.Set(1,0);this.enableLimit=false;this.upperTranslation=this.lowerTranslation=0;this.enableMotor=false;this.motorSpeed=this.maxMotorForce=0};n.prototype.Initialize=function(E,D,A,B){this.bodyA=E;this.bodyB=D;this.localAnchorA=this.bodyA.GetLocalPoint(A);this.localAnchorB=this.bodyB.GetLocalPoint(A);this.localAxisA=this.bodyA.GetLocalVector(B)};Box2D.inherit(AB,Box2D.Dynamics.Joints.b2Joint);AB.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;AB.b2MouseJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.K=new AA;this.K1=new AA;this.K2=new AA;this.m_localAnchor=new x;this.m_target=new x;this.m_impulse=new x;this.m_mass=new AA;this.m_C=new x};AB.prototype.GetAnchorA=function(){return this.m_target};AB.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor)};AB.prototype.GetReactionForce=function(A){if(A===undefined){A=0}return new x(A*this.m_impulse.x,A*this.m_impulse.y)};AB.prototype.GetReactionTorque=function(){return 0};AB.prototype.GetTarget=function(){return this.m_target};AB.prototype.SetTarget=function(A){this.m_bodyB.IsAwake()==false&&this.m_bodyB.SetAwake(true);this.m_target=A};AB.prototype.GetMaxForce=function(){return this.m_maxForce};AB.prototype.SetMaxForce=function(A){if(A===undefined){A=0}this.m_maxForce=A};AB.prototype.GetFrequency=function(){return this.m_frequencyHz};AB.prototype.SetFrequency=function(A){if(A===undefined){A=0}this.m_frequencyHz=A};AB.prototype.GetDampingRatio=function(){return this.m_dampingRatio};AB.prototype.SetDampingRatio=function(A){if(A===undefined){A=0}this.m_dampingRatio=A};AB.prototype.b2MouseJoint=function(E){this.__super.b2Joint.call(this,E);this.m_target.SetV(E.target);var D=this.m_target.x-this.m_bodyB.m_xf.position.x,A=this.m_target.y-this.m_bodyB.m_xf.position.y,B=this.m_bodyB.m_xf.R;this.m_localAnchor.x=D*B.col1.x+A*B.col1.y;this.m_localAnchor.y=D*B.col2.x+A*B.col2.y;this.m_maxForce=E.maxForce;this.m_impulse.SetZero();this.m_frequencyHz=E.frequencyHz;this.m_dampingRatio=E.dampingRatio;this.m_gamma=this.m_beta=0};AB.prototype.InitVelocityConstraints=function(G){var D=this.m_bodyB,A=D.GetMass(),B=2*Math.PI*this.m_frequencyHz,F=A*B*B;this.m_gamma=G.dt*(2*A*this.m_dampingRatio*B+G.dt*F);this.m_gamma=this.m_gamma!=0?1/this.m_gamma:0;this.m_beta=G.dt*F*this.m_gamma;F=D.m_xf.R;A=this.m_localAnchor.x-D.m_sweep.localCenter.x;B=this.m_localAnchor.y-D.m_sweep.localCenter.y;var E=F.col1.x*A+F.col2.x*B;B=F.col1.y*A+F.col2.y*B;A=E;F=D.m_invMass;E=D.m_invI;this.K1.col1.x=F;this.K1.col2.x=0;this.K1.col1.y=0;this.K1.col2.y=F;this.K2.col1.x=E*B*B;this.K2.col2.x=-E*A*B;this.K2.col1.y=-E*A*B;this.K2.col2.y=E*A*A;this.K.SetM(this.K1);this.K.AddM(this.K2);this.K.col1.x+=this.m_gamma;this.K.col2.y+=this.m_gamma;this.K.GetInverse(this.m_mass);this.m_C.x=D.m_sweep.c.x+A-this.m_target.x;this.m_C.y=D.m_sweep.c.y+B-this.m_target.y;D.m_angularVelocity*=0.98;this.m_impulse.x*=G.dtRatio;this.m_impulse.y*=G.dtRatio;D.m_linearVelocity.x+=F*this.m_impulse.x;D.m_linearVelocity.y+=F*this.m_impulse.y;D.m_angularVelocity+=E*(A*this.m_impulse.y-B*this.m_impulse.x)};AB.prototype.SolveVelocityConstraints=function(H){var E=this.m_bodyB,B,D=0,G=0;B=E.m_xf.R;var F=this.m_localAnchor.x-E.m_sweep.localCenter.x,I=this.m_localAnchor.y-E.m_sweep.localCenter.y;D=B.col1.x*F+B.col2.x*I;I=B.col1.y*F+B.col2.y*I;F=D;D=E.m_linearVelocity.x+-E.m_angularVelocity*I;var A=E.m_linearVelocity.y+E.m_angularVelocity*F;B=this.m_mass;D=D+this.m_beta*this.m_C.x+this.m_gamma*this.m_impulse.x;G=A+this.m_beta*this.m_C.y+this.m_gamma*this.m_impulse.y;A=-(B.col1.x*D+B.col2.x*G);G=-(B.col1.y*D+B.col2.y*G);B=this.m_impulse.x;D=this.m_impulse.y;this.m_impulse.x+=A;this.m_impulse.y+=G;H=H.dt*this.m_maxForce;this.m_impulse.LengthSquared()>H*H&&this.m_impulse.Multiply(H/this.m_impulse.Length());A=this.m_impulse.x-B;G=this.m_impulse.y-D;E.m_linearVelocity.x+=E.m_invMass*A;E.m_linearVelocity.y+=E.m_invMass*G;E.m_angularVelocity+=E.m_invI*(F*G-I*A)};AB.prototype.SolvePositionConstraints=function(){return true};Box2D.inherit(AE,Box2D.Dynamics.Joints.b2JointDef);AE.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;AE.b2MouseJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.target=new x};AE.prototype.b2MouseJointDef=function(){this.__super.b2JointDef.call(this);this.type=s.e_mouseJoint;this.maxForce=0;this.frequencyHz=5;this.dampingRatio=0.7};Box2D.inherit(t,Box2D.Dynamics.Joints.b2Joint);t.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;t.b2PrismaticJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_localAnchor1=new x;this.m_localAnchor2=new x;this.m_localXAxis1=new x;this.m_localYAxis1=new x;this.m_axis=new x;this.m_perp=new x;this.m_K=new o;this.m_impulse=new AG};t.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};t.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};t.prototype.GetReactionForce=function(A){if(A===undefined){A=0}return new x(A*(this.m_impulse.x*this.m_perp.x+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.x),A*(this.m_impulse.x*this.m_perp.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.y))};t.prototype.GetReactionTorque=function(A){if(A===undefined){A=0}return A*this.m_impulse.y};t.prototype.GetJointTranslation=function(){var E=this.m_bodyA,D=this.m_bodyB,A=E.GetWorldPoint(this.m_localAnchor1),B=D.GetWorldPoint(this.m_localAnchor2);D=B.x-A.x;A=B.y-A.y;E=E.GetWorldVector(this.m_localXAxis1);return E.x*D+E.y*A};t.prototype.GetJointSpeed=function(){var I=this.m_bodyA,G=this.m_bodyB,E;E=I.m_xf.R;var F=this.m_localAnchor1.x-I.m_sweep.localCenter.x,B=this.m_localAnchor1.y-I.m_sweep.localCenter.y,A=E.col1.x*F+E.col2.x*B;B=E.col1.y*F+E.col2.y*B;F=A;E=G.m_xf.R;var D=this.m_localAnchor2.x-G.m_sweep.localCenter.x,M=this.m_localAnchor2.y-G.m_sweep.localCenter.y;A=E.col1.x*D+E.col2.x*M;M=E.col1.y*D+E.col2.y*M;D=A;E=G.m_sweep.c.x+D-(I.m_sweep.c.x+F);A=G.m_sweep.c.y+M-(I.m_sweep.c.y+B);var K=I.GetWorldVector(this.m_localXAxis1),H=I.m_linearVelocity,L=G.m_linearVelocity;I=I.m_angularVelocity;G=G.m_angularVelocity;return E*-I*K.y+A*I*K.x+(K.x*(L.x+-G*M-H.x- -I*B)+K.y*(L.y+G*D-H.y-I*F))};t.prototype.IsLimitEnabled=function(){return this.m_enableLimit};t.prototype.EnableLimit=function(A){this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_enableLimit=A};t.prototype.GetLowerLimit=function(){return this.m_lowerTranslation};t.prototype.GetUpperLimit=function(){return this.m_upperTranslation};t.prototype.SetLimits=function(B,A){if(B===undefined){B=0}if(A===undefined){A=0}this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_lowerTranslation=B;this.m_upperTranslation=A};t.prototype.IsMotorEnabled=function(){return this.m_enableMotor};t.prototype.EnableMotor=function(A){this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_enableMotor=A};t.prototype.SetMotorSpeed=function(A){if(A===undefined){A=0}this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_motorSpeed=A};t.prototype.GetMotorSpeed=function(){return this.m_motorSpeed};t.prototype.SetMaxMotorForce=function(A){if(A===undefined){A=0}this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_maxMotorForce=A};t.prototype.GetMotorForce=function(){return this.m_motorImpulse};t.prototype.b2PrismaticJoint=function(A){this.__super.b2Joint.call(this,A);this.m_localAnchor1.SetV(A.localAnchorA);this.m_localAnchor2.SetV(A.localAnchorB);this.m_localXAxis1.SetV(A.localAxisA);this.m_localYAxis1.x=-this.m_localXAxis1.y;this.m_localYAxis1.y=this.m_localXAxis1.x;this.m_refAngle=A.referenceAngle;this.m_impulse.SetZero();this.m_motorImpulse=this.m_motorMass=0;this.m_lowerTranslation=A.lowerTranslation;this.m_upperTranslation=A.upperTranslation;this.m_maxMotorForce=A.maxMotorForce;this.m_motorSpeed=A.motorSpeed;this.m_enableLimit=A.enableLimit;this.m_enableMotor=A.enableMotor;this.m_limitState=s.e_inactiveLimit;this.m_axis.SetZero();this.m_perp.SetZero()};t.prototype.InitVelocityConstraints=function(I){var G=this.m_bodyA,E=this.m_bodyB,F,B=0;this.m_localCenterA.SetV(G.GetLocalCenter());this.m_localCenterB.SetV(E.GetLocalCenter());var A=G.GetTransform();E.GetTransform();F=G.m_xf.R;var D=this.m_localAnchor1.x-this.m_localCenterA.x,L=this.m_localAnchor1.y-this.m_localCenterA.y;B=F.col1.x*D+F.col2.x*L;L=F.col1.y*D+F.col2.y*L;D=B;F=E.m_xf.R;var K=this.m_localAnchor2.x-this.m_localCenterB.x,H=this.m_localAnchor2.y-this.m_localCenterB.y;B=F.col1.x*K+F.col2.x*H;H=F.col1.y*K+F.col2.y*H;K=B;F=E.m_sweep.c.x+K-G.m_sweep.c.x-D;B=E.m_sweep.c.y+H-G.m_sweep.c.y-L;this.m_invMassA=G.m_invMass;this.m_invMassB=E.m_invMass;this.m_invIA=G.m_invI;this.m_invIB=E.m_invI;this.m_axis.SetV(r.MulMV(A.R,this.m_localXAxis1));this.m_a1=(F+D)*this.m_axis.y-(B+L)*this.m_axis.x;this.m_a2=K*this.m_axis.y-H*this.m_axis.x;this.m_motorMass=this.m_invMassA+this.m_invMassB+this.m_invIA*this.m_a1*this.m_a1+this.m_invIB*this.m_a2*this.m_a2;if(this.m_motorMass>Number.MIN_VALUE){this.m_motorMass=1/this.m_motorMass}this.m_perp.SetV(r.MulMV(A.R,this.m_localYAxis1));this.m_s1=(F+D)*this.m_perp.y-(B+L)*this.m_perp.x;this.m_s2=K*this.m_perp.y-H*this.m_perp.x;A=this.m_invMassA;D=this.m_invMassB;L=this.m_invIA;K=this.m_invIB;this.m_K.col1.x=A+D+L*this.m_s1*this.m_s1+K*this.m_s2*this.m_s2;this.m_K.col1.y=L*this.m_s1+K*this.m_s2;this.m_K.col1.z=L*this.m_s1*this.m_a1+K*this.m_s2*this.m_a2;this.m_K.col2.x=this.m_K.col1.y;this.m_K.col2.y=L+K;this.m_K.col2.z=L*this.m_a1+K*this.m_a2;this.m_K.col3.x=this.m_K.col1.z;this.m_K.col3.y=this.m_K.col2.z;this.m_K.col3.z=A+D+L*this.m_a1*this.m_a1+K*this.m_a2*this.m_a2;if(this.m_enableLimit){F=this.m_axis.x*F+this.m_axis.y*B;if(r.Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*AC.b2_linearSlop){this.m_limitState=s.e_equalLimits}else{if(F<=this.m_lowerTranslation){if(this.m_limitState!=s.e_atLowerLimit){this.m_limitState=s.e_atLowerLimit;this.m_impulse.z=0}}else{if(F>=this.m_upperTranslation){if(this.m_limitState!=s.e_atUpperLimit){this.m_limitState=s.e_atUpperLimit;this.m_impulse.z=0}}else{this.m_limitState=s.e_inactiveLimit;this.m_impulse.z=0}}}}else{this.m_limitState=s.e_inactiveLimit}if(this.m_enableMotor==false){this.m_motorImpulse=0}if(I.warmStarting){this.m_impulse.x*=I.dtRatio;this.m_impulse.y*=I.dtRatio;this.m_motorImpulse*=I.dtRatio;I=this.m_impulse.x*this.m_perp.x+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.x;F=this.m_impulse.x*this.m_perp.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_axis.y;B=this.m_impulse.x*this.m_s1+this.m_impulse.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_a1;A=this.m_impulse.x*this.m_s2+this.m_impulse.y+(this.m_motorImpulse+this.m_impulse.z)*this.m_a2;G.m_linearVelocity.x-=this.m_invMassA*I;G.m_linearVelocity.y-=this.m_invMassA*F;G.m_angularVelocity-=this.m_invIA*B;E.m_linearVelocity.x+=this.m_invMassB*I;E.m_linearVelocity.y+=this.m_invMassB*F;E.m_angularVelocity+=this.m_invIB*A}else{this.m_impulse.SetZero();this.m_motorImpulse=0}};t.prototype.SolveVelocityConstraints=function(I){var G=this.m_bodyA,E=this.m_bodyB,F=G.m_linearVelocity,B=G.m_angularVelocity,A=E.m_linearVelocity,D=E.m_angularVelocity,M=0,K=0,H=0,L=0;if(this.m_enableMotor&&this.m_limitState!=s.e_equalLimits){L=this.m_motorMass*(this.m_motorSpeed-(this.m_axis.x*(A.x-F.x)+this.m_axis.y*(A.y-F.y)+this.m_a2*D-this.m_a1*B));M=this.m_motorImpulse;I=I.dt*this.m_maxMotorForce;this.m_motorImpulse=r.Clamp(this.m_motorImpulse+L,-I,I);L=this.m_motorImpulse-M;M=L*this.m_axis.x;K=L*this.m_axis.y;H=L*this.m_a1;L=L*this.m_a2;F.x-=this.m_invMassA*M;F.y-=this.m_invMassA*K;B-=this.m_invIA*H;A.x+=this.m_invMassB*M;A.y+=this.m_invMassB*K;D+=this.m_invIB*L}H=this.m_perp.x*(A.x-F.x)+this.m_perp.y*(A.y-F.y)+this.m_s2*D-this.m_s1*B;K=D-B;if(this.m_enableLimit&&this.m_limitState!=s.e_inactiveLimit){I=this.m_axis.x*(A.x-F.x)+this.m_axis.y*(A.y-F.y)+this.m_a2*D-this.m_a1*B;M=this.m_impulse.Copy();I=this.m_K.Solve33(new AG,-H,-K,-I);this.m_impulse.Add(I);if(this.m_limitState==s.e_atLowerLimit){this.m_impulse.z=r.Max(this.m_impulse.z,0)}else{if(this.m_limitState==s.e_atUpperLimit){this.m_impulse.z=r.Min(this.m_impulse.z,0)}}H=-H-(this.m_impulse.z-M.z)*this.m_K.col3.x;K=-K-(this.m_impulse.z-M.z)*this.m_K.col3.y;K=this.m_K.Solve22(new x,H,K);K.x+=M.x;K.y+=M.y;this.m_impulse.x=K.x;this.m_impulse.y=K.y;I.x=this.m_impulse.x-M.x;I.y=this.m_impulse.y-M.y;I.z=this.m_impulse.z-M.z;M=I.x*this.m_perp.x+I.z*this.m_axis.x;K=I.x*this.m_perp.y+I.z*this.m_axis.y;H=I.x*this.m_s1+I.y+I.z*this.m_a1;L=I.x*this.m_s2+I.y+I.z*this.m_a2}else{I=this.m_K.Solve22(new x,-H,-K);this.m_impulse.x+=I.x;this.m_impulse.y+=I.y;M=I.x*this.m_perp.x;K=I.x*this.m_perp.y;H=I.x*this.m_s1+I.y;L=I.x*this.m_s2+I.y}F.x-=this.m_invMassA*M;F.y-=this.m_invMassA*K;B-=this.m_invIA*H;A.x+=this.m_invMassB*M;A.y+=this.m_invMassB*K;D+=this.m_invIB*L;G.m_linearVelocity.SetV(F);G.m_angularVelocity=B;E.m_linearVelocity.SetV(A);E.m_angularVelocity=D};t.prototype.SolvePositionConstraints=function(){var N=this.m_bodyA,I=this.m_bodyB,G=N.m_sweep.c,H=N.m_sweep.a,D=I.m_sweep.c,B=I.m_sweep.a,E,R=0,O=0,K=0,Q=R=E=0,M=0;O=false;var L=0,F=AA.FromAngle(H),A=AA.FromAngle(B);E=F;M=this.m_localAnchor1.x-this.m_localCenterA.x;var U=this.m_localAnchor1.y-this.m_localCenterA.y;R=E.col1.x*M+E.col2.x*U;U=E.col1.y*M+E.col2.y*U;M=R;E=A;A=this.m_localAnchor2.x-this.m_localCenterB.x;K=this.m_localAnchor2.y-this.m_localCenterB.y;R=E.col1.x*A+E.col2.x*K;K=E.col1.y*A+E.col2.y*K;A=R;E=D.x+A-G.x-M;R=D.y+K-G.y-U;if(this.m_enableLimit){this.m_axis=r.MulMV(F,this.m_localXAxis1);this.m_a1=(E+M)*this.m_axis.y-(R+U)*this.m_axis.x;this.m_a2=A*this.m_axis.y-K*this.m_axis.x;var S=this.m_axis.x*E+this.m_axis.y*R;if(r.Abs(this.m_upperTranslation-this.m_lowerTranslation)<2*AC.b2_linearSlop){L=r.Clamp(S,-AC.b2_maxLinearCorrection,AC.b2_maxLinearCorrection);Q=r.Abs(S);O=true}else{if(S<=this.m_lowerTranslation){L=r.Clamp(S-this.m_lowerTranslation+AC.b2_linearSlop,-AC.b2_maxLinearCorrection,0);Q=this.m_lowerTranslation-S;O=true}else{if(S>=this.m_upperTranslation){L=r.Clamp(S-this.m_upperTranslation+AC.b2_linearSlop,0,AC.b2_maxLinearCorrection);Q=S-this.m_upperTranslation;O=true}}}}this.m_perp=r.MulMV(F,this.m_localYAxis1);this.m_s1=(E+M)*this.m_perp.y-(R+U)*this.m_perp.x;this.m_s2=A*this.m_perp.y-K*this.m_perp.x;F=new AG;U=this.m_perp.x*E+this.m_perp.y*R;A=B-H-this.m_refAngle;Q=r.Max(Q,r.Abs(U));M=r.Abs(A);if(O){O=this.m_invMassA;K=this.m_invMassB;E=this.m_invIA;R=this.m_invIB;this.m_K.col1.x=O+K+E*this.m_s1*this.m_s1+R*this.m_s2*this.m_s2;this.m_K.col1.y=E*this.m_s1+R*this.m_s2;this.m_K.col1.z=E*this.m_s1*this.m_a1+R*this.m_s2*this.m_a2;this.m_K.col2.x=this.m_K.col1.y;this.m_K.col2.y=E+R;this.m_K.col2.z=E*this.m_a1+R*this.m_a2;this.m_K.col3.x=this.m_K.col1.z;this.m_K.col3.y=this.m_K.col2.z;this.m_K.col3.z=O+K+E*this.m_a1*this.m_a1+R*this.m_a2*this.m_a2;this.m_K.Solve33(F,-U,-A,-L)}else{O=this.m_invMassA;K=this.m_invMassB;E=this.m_invIA;R=this.m_invIB;L=E*this.m_s1+R*this.m_s2;S=E+R;this.m_K.col1.Set(O+K+E*this.m_s1*this.m_s1+R*this.m_s2*this.m_s2,L,0);this.m_K.col2.Set(L,S,0);L=this.m_K.Solve22(new x,-U,-A);F.x=L.x;F.y=L.y;F.z=0}L=F.x*this.m_perp.x+F.z*this.m_axis.x;O=F.x*this.m_perp.y+F.z*this.m_axis.y;U=F.x*this.m_s1+F.y+F.z*this.m_a1;F=F.x*this.m_s2+F.y+F.z*this.m_a2;G.x-=this.m_invMassA*L;G.y-=this.m_invMassA*O;H-=this.m_invIA*U;D.x+=this.m_invMassB*L;D.y+=this.m_invMassB*O;B+=this.m_invIB*F;N.m_sweep.a=H;I.m_sweep.a=B;N.SynchronizeTransform();I.SynchronizeTransform();return Q<=AC.b2_linearSlop&&M<=AC.b2_angularSlop};Box2D.inherit(g,Box2D.Dynamics.Joints.b2JointDef);g.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;g.b2PrismaticJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=new x;this.localAnchorB=new x;this.localAxisA=new x};g.prototype.b2PrismaticJointDef=function(){this.__super.b2JointDef.call(this);this.type=s.e_prismaticJoint;this.localAxisA.Set(1,0);this.referenceAngle=0;this.enableLimit=false;this.upperTranslation=this.lowerTranslation=0;this.enableMotor=false;this.motorSpeed=this.maxMotorForce=0};g.prototype.Initialize=function(E,D,A,B){this.bodyA=E;this.bodyB=D;this.localAnchorA=this.bodyA.GetLocalPoint(A);this.localAnchorB=this.bodyB.GetLocalPoint(A);this.localAxisA=this.bodyA.GetLocalVector(B);this.referenceAngle=this.bodyB.GetAngle()-this.bodyA.GetAngle()};Box2D.inherit(AD,Box2D.Dynamics.Joints.b2Joint);AD.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;AD.b2PulleyJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_groundAnchor1=new x;this.m_groundAnchor2=new x;this.m_localAnchor1=new x;this.m_localAnchor2=new x;this.m_u1=new x;this.m_u2=new x};AD.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};AD.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};AD.prototype.GetReactionForce=function(A){if(A===undefined){A=0}return new x(A*this.m_impulse*this.m_u2.x,A*this.m_impulse*this.m_u2.y)};AD.prototype.GetReactionTorque=function(){return 0};AD.prototype.GetGroundAnchorA=function(){var A=this.m_ground.m_xf.position.Copy();A.Add(this.m_groundAnchor1);return A};AD.prototype.GetGroundAnchorB=function(){var A=this.m_ground.m_xf.position.Copy();A.Add(this.m_groundAnchor2);return A};AD.prototype.GetLength1=function(){var B=this.m_bodyA.GetWorldPoint(this.m_localAnchor1),A=B.x-(this.m_ground.m_xf.position.x+this.m_groundAnchor1.x);B=B.y-(this.m_ground.m_xf.position.y+this.m_groundAnchor1.y);return Math.sqrt(A*A+B*B)};AD.prototype.GetLength2=function(){var B=this.m_bodyB.GetWorldPoint(this.m_localAnchor2),A=B.x-(this.m_ground.m_xf.position.x+this.m_groundAnchor2.x);B=B.y-(this.m_ground.m_xf.position.y+this.m_groundAnchor2.y);return Math.sqrt(A*A+B*B)};AD.prototype.GetRatio=function(){return this.m_ratio};AD.prototype.b2PulleyJoint=function(A){this.__super.b2Joint.call(this,A);this.m_ground=this.m_bodyA.m_world.m_groundBody;this.m_groundAnchor1.x=A.groundAnchorA.x-this.m_ground.m_xf.position.x;this.m_groundAnchor1.y=A.groundAnchorA.y-this.m_ground.m_xf.position.y;this.m_groundAnchor2.x=A.groundAnchorB.x-this.m_ground.m_xf.position.x;this.m_groundAnchor2.y=A.groundAnchorB.y-this.m_ground.m_xf.position.y;this.m_localAnchor1.SetV(A.localAnchorA);this.m_localAnchor2.SetV(A.localAnchorB);this.m_ratio=A.ratio;this.m_constant=A.lengthA+this.m_ratio*A.lengthB;this.m_maxLength1=r.Min(A.maxLengthA,this.m_constant-this.m_ratio*AD.b2_minPulleyLength);this.m_maxLength2=r.Min(A.maxLengthB,(this.m_constant-AD.b2_minPulleyLength)/this.m_ratio);this.m_limitImpulse2=this.m_limitImpulse1=this.m_impulse=0};AD.prototype.InitVelocityConstraints=function(I){var G=this.m_bodyA,E=this.m_bodyB,F;F=G.m_xf.R;var B=this.m_localAnchor1.x-G.m_sweep.localCenter.x,A=this.m_localAnchor1.y-G.m_sweep.localCenter.y,D=F.col1.x*B+F.col2.x*A;A=F.col1.y*B+F.col2.y*A;B=D;F=E.m_xf.R;var M=this.m_localAnchor2.x-E.m_sweep.localCenter.x,K=this.m_localAnchor2.y-E.m_sweep.localCenter.y;D=F.col1.x*M+F.col2.x*K;K=F.col1.y*M+F.col2.y*K;M=D;F=E.m_sweep.c.x+M;D=E.m_sweep.c.y+K;var H=this.m_ground.m_xf.position.x+this.m_groundAnchor2.x,L=this.m_ground.m_xf.position.y+this.m_groundAnchor2.y;this.m_u1.Set(G.m_sweep.c.x+B-(this.m_ground.m_xf.position.x+this.m_groundAnchor1.x),G.m_sweep.c.y+A-(this.m_ground.m_xf.position.y+this.m_groundAnchor1.y));this.m_u2.Set(F-H,D-L);F=this.m_u1.Length();D=this.m_u2.Length();F>AC.b2_linearSlop?this.m_u1.Multiply(1/F):this.m_u1.SetZero();D>AC.b2_linearSlop?this.m_u2.Multiply(1/D):this.m_u2.SetZero();if(this.m_constant-F-this.m_ratio*D>0){this.m_state=s.e_inactiveLimit;this.m_impulse=0}else{this.m_state=s.e_atUpperLimit}if(F<this.m_maxLength1){this.m_limitState1=s.e_inactiveLimit;this.m_limitImpulse1=0}else{this.m_limitState1=s.e_atUpperLimit}if(D<this.m_maxLength2){this.m_limitState2=s.e_inactiveLimit;this.m_limitImpulse2=0}else{this.m_limitState2=s.e_atUpperLimit}F=B*this.m_u1.y-A*this.m_u1.x;D=M*this.m_u2.y-K*this.m_u2.x;this.m_limitMass1=G.m_invMass+G.m_invI*F*F;this.m_limitMass2=E.m_invMass+E.m_invI*D*D;this.m_pulleyMass=this.m_limitMass1+this.m_ratio*this.m_ratio*this.m_limitMass2;this.m_limitMass1=1/this.m_limitMass1;this.m_limitMass2=1/this.m_limitMass2;this.m_pulleyMass=1/this.m_pulleyMass;if(I.warmStarting){this.m_impulse*=I.dtRatio;this.m_limitImpulse1*=I.dtRatio;this.m_limitImpulse2*=I.dtRatio;I=(-this.m_impulse-this.m_limitImpulse1)*this.m_u1.x;F=(-this.m_impulse-this.m_limitImpulse1)*this.m_u1.y;D=(-this.m_ratio*this.m_impulse-this.m_limitImpulse2)*this.m_u2.x;H=(-this.m_ratio*this.m_impulse-this.m_limitImpulse2)*this.m_u2.y;G.m_linearVelocity.x+=G.m_invMass*I;G.m_linearVelocity.y+=G.m_invMass*F;G.m_angularVelocity+=G.m_invI*(B*F-A*I);E.m_linearVelocity.x+=E.m_invMass*D;E.m_linearVelocity.y+=E.m_invMass*H;E.m_angularVelocity+=E.m_invI*(M*H-K*D)}else{this.m_limitImpulse2=this.m_limitImpulse1=this.m_impulse=0}};AD.prototype.SolveVelocityConstraints=function(){var I=this.m_bodyA,G=this.m_bodyB,E;E=I.m_xf.R;var F=this.m_localAnchor1.x-I.m_sweep.localCenter.x,B=this.m_localAnchor1.y-I.m_sweep.localCenter.y,A=E.col1.x*F+E.col2.x*B;B=E.col1.y*F+E.col2.y*B;F=A;E=G.m_xf.R;var D=this.m_localAnchor2.x-G.m_sweep.localCenter.x,L=this.m_localAnchor2.y-G.m_sweep.localCenter.y;A=E.col1.x*D+E.col2.x*L;L=E.col1.y*D+E.col2.y*L;D=A;var K=A=E=0,H=0;E=H=E=H=K=A=E=0;if(this.m_state==s.e_atUpperLimit){E=I.m_linearVelocity.x+-I.m_angularVelocity*B;A=I.m_linearVelocity.y+I.m_angularVelocity*F;K=G.m_linearVelocity.x+-G.m_angularVelocity*L;H=G.m_linearVelocity.y+G.m_angularVelocity*D;E=-(this.m_u1.x*E+this.m_u1.y*A)-this.m_ratio*(this.m_u2.x*K+this.m_u2.y*H);H=this.m_pulleyMass*-E;E=this.m_impulse;this.m_impulse=r.Max(0,this.m_impulse+H);H=this.m_impulse-E;E=-H*this.m_u1.x;A=-H*this.m_u1.y;K=-this.m_ratio*H*this.m_u2.x;H=-this.m_ratio*H*this.m_u2.y;I.m_linearVelocity.x+=I.m_invMass*E;I.m_linearVelocity.y+=I.m_invMass*A;I.m_angularVelocity+=I.m_invI*(F*A-B*E);G.m_linearVelocity.x+=G.m_invMass*K;G.m_linearVelocity.y+=G.m_invMass*H;G.m_angularVelocity+=G.m_invI*(D*H-L*K)}if(this.m_limitState1==s.e_atUpperLimit){E=I.m_linearVelocity.x+-I.m_angularVelocity*B;A=I.m_linearVelocity.y+I.m_angularVelocity*F;E=-(this.m_u1.x*E+this.m_u1.y*A);H=-this.m_limitMass1*E;E=this.m_limitImpulse1;this.m_limitImpulse1=r.Max(0,this.m_limitImpulse1+H);H=this.m_limitImpulse1-E;E=-H*this.m_u1.x;A=-H*this.m_u1.y;I.m_linearVelocity.x+=I.m_invMass*E;I.m_linearVelocity.y+=I.m_invMass*A;I.m_angularVelocity+=I.m_invI*(F*A-B*E)}if(this.m_limitState2==s.e_atUpperLimit){K=G.m_linearVelocity.x+-G.m_angularVelocity*L;H=G.m_linearVelocity.y+G.m_angularVelocity*D;E=-(this.m_u2.x*K+this.m_u2.y*H);H=-this.m_limitMass2*E;E=this.m_limitImpulse2;this.m_limitImpulse2=r.Max(0,this.m_limitImpulse2+H);H=this.m_limitImpulse2-E;K=-H*this.m_u2.x;H=-H*this.m_u2.y;G.m_linearVelocity.x+=G.m_invMass*K;G.m_linearVelocity.y+=G.m_invMass*H;G.m_angularVelocity+=G.m_invI*(D*H-L*K)}};AD.prototype.SolvePositionConstraints=function(){var N=this.m_bodyA,I=this.m_bodyB,G,H=this.m_ground.m_xf.position.x+this.m_groundAnchor1.x,D=this.m_ground.m_xf.position.y+this.m_groundAnchor1.y,B=this.m_ground.m_xf.position.x+this.m_groundAnchor2.x,E=this.m_ground.m_xf.position.y+this.m_groundAnchor2.y,R=0,O=0,K=0,Q=0,M=G=0,L=0,F=0,A=M=F=G=M=G=0;if(this.m_state==s.e_atUpperLimit){G=N.m_xf.R;R=this.m_localAnchor1.x-N.m_sweep.localCenter.x;O=this.m_localAnchor1.y-N.m_sweep.localCenter.y;M=G.col1.x*R+G.col2.x*O;O=G.col1.y*R+G.col2.y*O;R=M;G=I.m_xf.R;K=this.m_localAnchor2.x-I.m_sweep.localCenter.x;Q=this.m_localAnchor2.y-I.m_sweep.localCenter.y;M=G.col1.x*K+G.col2.x*Q;Q=G.col1.y*K+G.col2.y*Q;K=M;G=N.m_sweep.c.x+R;M=N.m_sweep.c.y+O;L=I.m_sweep.c.x+K;F=I.m_sweep.c.y+Q;this.m_u1.Set(G-H,M-D);this.m_u2.Set(L-B,F-E);G=this.m_u1.Length();M=this.m_u2.Length();G>AC.b2_linearSlop?this.m_u1.Multiply(1/G):this.m_u1.SetZero();M>AC.b2_linearSlop?this.m_u2.Multiply(1/M):this.m_u2.SetZero();G=this.m_constant-G-this.m_ratio*M;A=r.Max(A,-G);G=r.Clamp(G+AC.b2_linearSlop,-AC.b2_maxLinearCorrection,0);F=-this.m_pulleyMass*G;G=-F*this.m_u1.x;M=-F*this.m_u1.y;L=-this.m_ratio*F*this.m_u2.x;F=-this.m_ratio*F*this.m_u2.y;N.m_sweep.c.x+=N.m_invMass*G;N.m_sweep.c.y+=N.m_invMass*M;N.m_sweep.a+=N.m_invI*(R*M-O*G);I.m_sweep.c.x+=I.m_invMass*L;I.m_sweep.c.y+=I.m_invMass*F;I.m_sweep.a+=I.m_invI*(K*F-Q*L);N.SynchronizeTransform();I.SynchronizeTransform()}if(this.m_limitState1==s.e_atUpperLimit){G=N.m_xf.R;R=this.m_localAnchor1.x-N.m_sweep.localCenter.x;O=this.m_localAnchor1.y-N.m_sweep.localCenter.y;M=G.col1.x*R+G.col2.x*O;O=G.col1.y*R+G.col2.y*O;R=M;G=N.m_sweep.c.x+R;M=N.m_sweep.c.y+O;this.m_u1.Set(G-H,M-D);G=this.m_u1.Length();if(G>AC.b2_linearSlop){this.m_u1.x*=1/G;this.m_u1.y*=1/G}else{this.m_u1.SetZero()}G=this.m_maxLength1-G;A=r.Max(A,-G);G=r.Clamp(G+AC.b2_linearSlop,-AC.b2_maxLinearCorrection,0);F=-this.m_limitMass1*G;G=-F*this.m_u1.x;M=-F*this.m_u1.y;N.m_sweep.c.x+=N.m_invMass*G;N.m_sweep.c.y+=N.m_invMass*M;N.m_sweep.a+=N.m_invI*(R*M-O*G);N.SynchronizeTransform()}if(this.m_limitState2==s.e_atUpperLimit){G=I.m_xf.R;K=this.m_localAnchor2.x-I.m_sweep.localCenter.x;Q=this.m_localAnchor2.y-I.m_sweep.localCenter.y;M=G.col1.x*K+G.col2.x*Q;Q=G.col1.y*K+G.col2.y*Q;K=M;L=I.m_sweep.c.x+K;F=I.m_sweep.c.y+Q;this.m_u2.Set(L-B,F-E);M=this.m_u2.Length();if(M>AC.b2_linearSlop){this.m_u2.x*=1/M;this.m_u2.y*=1/M}else{this.m_u2.SetZero()}G=this.m_maxLength2-M;A=r.Max(A,-G);G=r.Clamp(G+AC.b2_linearSlop,-AC.b2_maxLinearCorrection,0);F=-this.m_limitMass2*G;L=-F*this.m_u2.x;F=-F*this.m_u2.y;I.m_sweep.c.x+=I.m_invMass*L;I.m_sweep.c.y+=I.m_invMass*F;I.m_sweep.a+=I.m_invI*(K*F-Q*L);I.SynchronizeTransform()}return A<AC.b2_linearSlop};Box2D.postDefs.push(function(){Box2D.Dynamics.Joints.b2PulleyJoint.b2_minPulleyLength=2});Box2D.inherit(e,Box2D.Dynamics.Joints.b2JointDef);e.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;e.b2PulleyJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.groundAnchorA=new x;this.groundAnchorB=new x;this.localAnchorA=new x;this.localAnchorB=new x};e.prototype.b2PulleyJointDef=function(){this.__super.b2JointDef.call(this);this.type=s.e_pulleyJoint;this.groundAnchorA.Set(-1,1);this.groundAnchorB.Set(1,1);this.localAnchorA.Set(-1,0);this.localAnchorB.Set(1,0);this.maxLengthB=this.lengthB=this.maxLengthA=this.lengthA=0;this.ratio=1;this.collideConnected=true};e.prototype.Initialize=function(G,D,A,B,F,E,H){if(H===undefined){H=0}this.bodyA=G;this.bodyB=D;this.groundAnchorA.SetV(A);this.groundAnchorB.SetV(B);this.localAnchorA=this.bodyA.GetLocalPoint(F);this.localAnchorB=this.bodyB.GetLocalPoint(E);G=F.x-A.x;A=F.y-A.y;this.lengthA=Math.sqrt(G*G+A*A);A=E.x-B.x;B=E.y-B.y;this.lengthB=Math.sqrt(A*A+B*B);this.ratio=H;H=this.lengthA+this.ratio*this.lengthB;this.maxLengthA=H-this.ratio*AD.b2_minPulleyLength;this.maxLengthB=(H-AD.b2_minPulleyLength)/this.ratio};Box2D.inherit(h,Box2D.Dynamics.Joints.b2Joint);h.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;h.b2RevoluteJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.K=new AA;this.K1=new AA;this.K2=new AA;this.K3=new AA;this.impulse3=new AG;this.impulse2=new x;this.reduced=new x;this.m_localAnchor1=new x;this.m_localAnchor2=new x;this.m_impulse=new AG;this.m_mass=new o};h.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchor1)};h.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchor2)};h.prototype.GetReactionForce=function(A){if(A===undefined){A=0}return new x(A*this.m_impulse.x,A*this.m_impulse.y)};h.prototype.GetReactionTorque=function(A){if(A===undefined){A=0}return A*this.m_impulse.z};h.prototype.GetJointAngle=function(){return this.m_bodyB.m_sweep.a-this.m_bodyA.m_sweep.a-this.m_referenceAngle};h.prototype.GetJointSpeed=function(){return this.m_bodyB.m_angularVelocity-this.m_bodyA.m_angularVelocity};h.prototype.IsLimitEnabled=function(){return this.m_enableLimit};h.prototype.EnableLimit=function(A){this.m_enableLimit=A};h.prototype.GetLowerLimit=function(){return this.m_lowerAngle};h.prototype.GetUpperLimit=function(){return this.m_upperAngle};h.prototype.SetLimits=function(B,A){if(B===undefined){B=0}if(A===undefined){A=0}this.m_lowerAngle=B;this.m_upperAngle=A};h.prototype.IsMotorEnabled=function(){this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);return this.m_enableMotor};h.prototype.EnableMotor=function(A){this.m_enableMotor=A};h.prototype.SetMotorSpeed=function(A){if(A===undefined){A=0}this.m_bodyA.SetAwake(true);this.m_bodyB.SetAwake(true);this.m_motorSpeed=A};h.prototype.GetMotorSpeed=function(){return this.m_motorSpeed};h.prototype.SetMaxMotorTorque=function(A){if(A===undefined){A=0}this.m_maxMotorTorque=A};h.prototype.GetMotorTorque=function(){return this.m_maxMotorTorque};h.prototype.b2RevoluteJoint=function(A){this.__super.b2Joint.call(this,A);this.m_localAnchor1.SetV(A.localAnchorA);this.m_localAnchor2.SetV(A.localAnchorB);this.m_referenceAngle=A.referenceAngle;this.m_impulse.SetZero();this.m_motorImpulse=0;this.m_lowerAngle=A.lowerAngle;this.m_upperAngle=A.upperAngle;this.m_maxMotorTorque=A.maxMotorTorque;this.m_motorSpeed=A.motorSpeed;this.m_enableLimit=A.enableLimit;this.m_enableMotor=A.enableMotor;this.m_limitState=s.e_inactiveLimit};h.prototype.InitVelocityConstraints=function(K){var G=this.m_bodyA,E=this.m_bodyB,F,B=0;F=G.m_xf.R;var A=this.m_localAnchor1.x-G.m_sweep.localCenter.x,D=this.m_localAnchor1.y-G.m_sweep.localCenter.y;B=F.col1.x*A+F.col2.x*D;D=F.col1.y*A+F.col2.y*D;A=B;F=E.m_xf.R;var N=this.m_localAnchor2.x-E.m_sweep.localCenter.x,L=this.m_localAnchor2.y-E.m_sweep.localCenter.y;B=F.col1.x*N+F.col2.x*L;L=F.col1.y*N+F.col2.y*L;N=B;F=G.m_invMass;B=E.m_invMass;var H=G.m_invI,M=E.m_invI;this.m_mass.col1.x=F+B+D*D*H+L*L*M;this.m_mass.col2.x=-D*A*H-L*N*M;this.m_mass.col3.x=-D*H-L*M;this.m_mass.col1.y=this.m_mass.col2.x;this.m_mass.col2.y=F+B+A*A*H+N*N*M;this.m_mass.col3.y=A*H+N*M;this.m_mass.col1.z=this.m_mass.col3.x;this.m_mass.col2.z=this.m_mass.col3.y;this.m_mass.col3.z=H+M;this.m_motorMass=1/(H+M);if(this.m_enableMotor==false){this.m_motorImpulse=0}if(this.m_enableLimit){var I=E.m_sweep.a-G.m_sweep.a-this.m_referenceAngle;if(r.Abs(this.m_upperAngle-this.m_lowerAngle)<2*AC.b2_angularSlop){this.m_limitState=s.e_equalLimits}else{if(I<=this.m_lowerAngle){if(this.m_limitState!=s.e_atLowerLimit){this.m_impulse.z=0}this.m_limitState=s.e_atLowerLimit}else{if(I>=this.m_upperAngle){if(this.m_limitState!=s.e_atUpperLimit){this.m_impulse.z=0}this.m_limitState=s.e_atUpperLimit}else{this.m_limitState=s.e_inactiveLimit;this.m_impulse.z=0}}}}else{this.m_limitState=s.e_inactiveLimit}if(K.warmStarting){this.m_impulse.x*=K.dtRatio;this.m_impulse.y*=K.dtRatio;this.m_motorImpulse*=K.dtRatio;K=this.m_impulse.x;I=this.m_impulse.y;G.m_linearVelocity.x-=F*K;G.m_linearVelocity.y-=F*I;G.m_angularVelocity-=H*(A*I-D*K+this.m_motorImpulse+this.m_impulse.z);E.m_linearVelocity.x+=B*K;E.m_linearVelocity.y+=B*I;E.m_angularVelocity+=M*(N*I-L*K+this.m_motorImpulse+this.m_impulse.z)}else{this.m_impulse.SetZero();this.m_motorImpulse=0}};h.prototype.SolveVelocityConstraints=function(N){var I=this.m_bodyA,G=this.m_bodyB,H=0,D=H=0,B=0,E=0,R=0,O=I.m_linearVelocity,K=I.m_angularVelocity,Q=G.m_linearVelocity,M=G.m_angularVelocity,L=I.m_invMass,F=G.m_invMass,A=I.m_invI,U=G.m_invI;if(this.m_enableMotor&&this.m_limitState!=s.e_equalLimits){D=this.m_motorMass*-(M-K-this.m_motorSpeed);B=this.m_motorImpulse;E=N.dt*this.m_maxMotorTorque;this.m_motorImpulse=r.Clamp(this.m_motorImpulse+D,-E,E);D=this.m_motorImpulse-B;K-=A*D;M+=U*D}if(this.m_enableLimit&&this.m_limitState!=s.e_inactiveLimit){N=I.m_xf.R;D=this.m_localAnchor1.x-I.m_sweep.localCenter.x;B=this.m_localAnchor1.y-I.m_sweep.localCenter.y;H=N.col1.x*D+N.col2.x*B;B=N.col1.y*D+N.col2.y*B;D=H;N=G.m_xf.R;E=this.m_localAnchor2.x-G.m_sweep.localCenter.x;R=this.m_localAnchor2.y-G.m_sweep.localCenter.y;H=N.col1.x*E+N.col2.x*R;R=N.col1.y*E+N.col2.y*R;E=H;N=Q.x+-M*R-O.x- -K*B;var S=Q.y+M*E-O.y-K*D;this.m_mass.Solve33(this.impulse3,-N,-S,-(M-K));if(this.m_limitState==s.e_equalLimits){this.m_impulse.Add(this.impulse3)}else{if(this.m_limitState==s.e_atLowerLimit){H=this.m_impulse.z+this.impulse3.z;if(H<0){this.m_mass.Solve22(this.reduced,-N,-S);this.impulse3.x=this.reduced.x;this.impulse3.y=this.reduced.y;this.impulse3.z=-this.m_impulse.z;this.m_impulse.x+=this.reduced.x;this.m_impulse.y+=this.reduced.y;this.m_impulse.z=0}}else{if(this.m_limitState==s.e_atUpperLimit){H=this.m_impulse.z+this.impulse3.z;if(H>0){this.m_mass.Solve22(this.reduced,-N,-S);this.impulse3.x=this.reduced.x;this.impulse3.y=this.reduced.y;this.impulse3.z=-this.m_impulse.z;this.m_impulse.x+=this.reduced.x;this.m_impulse.y+=this.reduced.y;this.m_impulse.z=0}}}}O.x-=L*this.impulse3.x;O.y-=L*this.impulse3.y;K-=A*(D*this.impulse3.y-B*this.impulse3.x+this.impulse3.z);Q.x+=F*this.impulse3.x;Q.y+=F*this.impulse3.y;M+=U*(E*this.impulse3.y-R*this.impulse3.x+this.impulse3.z)}else{N=I.m_xf.R;D=this.m_localAnchor1.x-I.m_sweep.localCenter.x;B=this.m_localAnchor1.y-I.m_sweep.localCenter.y;H=N.col1.x*D+N.col2.x*B;B=N.col1.y*D+N.col2.y*B;D=H;N=G.m_xf.R;E=this.m_localAnchor2.x-G.m_sweep.localCenter.x;R=this.m_localAnchor2.y-G.m_sweep.localCenter.y;H=N.col1.x*E+N.col2.x*R;R=N.col1.y*E+N.col2.y*R;E=H;this.m_mass.Solve22(this.impulse2,-(Q.x+-M*R-O.x- -K*B),-(Q.y+M*E-O.y-K*D));this.m_impulse.x+=this.impulse2.x;this.m_impulse.y+=this.impulse2.y;O.x-=L*this.impulse2.x;O.y-=L*this.impulse2.y;K-=A*(D*this.impulse2.y-B*this.impulse2.x);Q.x+=F*this.impulse2.x;Q.y+=F*this.impulse2.y;M+=U*(E*this.impulse2.y-R*this.impulse2.x)}I.m_linearVelocity.SetV(O);I.m_angularVelocity=K;G.m_linearVelocity.SetV(Q);G.m_angularVelocity=M};h.prototype.SolvePositionConstraints=function(){var N=0,I,G=this.m_bodyA,H=this.m_bodyB,D=0,B=I=0,E=0,R=0;if(this.m_enableLimit&&this.m_limitState!=s.e_inactiveLimit){N=H.m_sweep.a-G.m_sweep.a-this.m_referenceAngle;var O=0;if(this.m_limitState==s.e_equalLimits){N=r.Clamp(N-this.m_lowerAngle,-AC.b2_maxAngularCorrection,AC.b2_maxAngularCorrection);O=-this.m_motorMass*N;D=r.Abs(N)}else{if(this.m_limitState==s.e_atLowerLimit){N=N-this.m_lowerAngle;D=-N;N=r.Clamp(N+AC.b2_angularSlop,-AC.b2_maxAngularCorrection,0);O=-this.m_motorMass*N}else{if(this.m_limitState==s.e_atUpperLimit){D=N=N-this.m_upperAngle;N=r.Clamp(N-AC.b2_angularSlop,0,AC.b2_maxAngularCorrection);O=-this.m_motorMass*N}}}G.m_sweep.a-=G.m_invI*O;H.m_sweep.a+=H.m_invI*O;G.SynchronizeTransform();H.SynchronizeTransform()}I=G.m_xf.R;O=this.m_localAnchor1.x-G.m_sweep.localCenter.x;N=this.m_localAnchor1.y-G.m_sweep.localCenter.y;B=I.col1.x*O+I.col2.x*N;N=I.col1.y*O+I.col2.y*N;O=B;I=H.m_xf.R;var K=this.m_localAnchor2.x-H.m_sweep.localCenter.x,Q=this.m_localAnchor2.y-H.m_sweep.localCenter.y;B=I.col1.x*K+I.col2.x*Q;Q=I.col1.y*K+I.col2.y*Q;K=B;E=H.m_sweep.c.x+K-G.m_sweep.c.x-O;R=H.m_sweep.c.y+Q-G.m_sweep.c.y-N;var M=E*E+R*R;I=Math.sqrt(M);B=G.m_invMass;var L=H.m_invMass,F=G.m_invI,A=H.m_invI,S=10*AC.b2_linearSlop;if(M>S*S){M=1/(B+L);E=M*-E;R=M*-R;G.m_sweep.c.x-=0.5*B*E;G.m_sweep.c.y-=0.5*B*R;H.m_sweep.c.x+=0.5*L*E;H.m_sweep.c.y+=0.5*L*R;E=H.m_sweep.c.x+K-G.m_sweep.c.x-O;R=H.m_sweep.c.y+Q-G.m_sweep.c.y-N}this.K1.col1.x=B+L;this.K1.col2.x=0;this.K1.col1.y=0;this.K1.col2.y=B+L;this.K2.col1.x=F*N*N;this.K2.col2.x=-F*O*N;this.K2.col1.y=-F*O*N;this.K2.col2.y=F*O*O;this.K3.col1.x=A*Q*Q;this.K3.col2.x=-A*K*Q;this.K3.col1.y=-A*K*Q;this.K3.col2.y=A*K*K;this.K.SetM(this.K1);this.K.AddM(this.K2);this.K.AddM(this.K3);this.K.Solve(h.tImpulse,-E,-R);E=h.tImpulse.x;R=h.tImpulse.y;G.m_sweep.c.x-=G.m_invMass*E;G.m_sweep.c.y-=G.m_invMass*R;G.m_sweep.a-=G.m_invI*(O*R-N*E);H.m_sweep.c.x+=H.m_invMass*E;H.m_sweep.c.y+=H.m_invMass*R;H.m_sweep.a+=H.m_invI*(K*R-Q*E);G.SynchronizeTransform();H.SynchronizeTransform();return I<=AC.b2_linearSlop&&D<=AC.b2_angularSlop};Box2D.postDefs.push(function(){Box2D.Dynamics.Joints.b2RevoluteJoint.tImpulse=new x});Box2D.inherit(b,Box2D.Dynamics.Joints.b2JointDef);b.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;b.b2RevoluteJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=new x;this.localAnchorB=new x};b.prototype.b2RevoluteJointDef=function(){this.__super.b2JointDef.call(this);this.type=s.e_revoluteJoint;this.localAnchorA.Set(0,0);this.localAnchorB.Set(0,0);this.motorSpeed=this.maxMotorTorque=this.upperAngle=this.lowerAngle=this.referenceAngle=0;this.enableMotor=this.enableLimit=false};b.prototype.Initialize=function(D,B,A){this.bodyA=D;this.bodyB=B;this.localAnchorA=this.bodyA.GetLocalPoint(A);this.localAnchorB=this.bodyB.GetLocalPoint(A);this.referenceAngle=this.bodyB.GetAngle()-this.bodyA.GetAngle()};Box2D.inherit(AJ,Box2D.Dynamics.Joints.b2Joint);AJ.prototype.__super=Box2D.Dynamics.Joints.b2Joint.prototype;AJ.b2WeldJoint=function(){Box2D.Dynamics.Joints.b2Joint.b2Joint.apply(this,arguments);this.m_localAnchorA=new x;this.m_localAnchorB=new x;this.m_impulse=new AG;this.m_mass=new o};AJ.prototype.GetAnchorA=function(){return this.m_bodyA.GetWorldPoint(this.m_localAnchorA)};AJ.prototype.GetAnchorB=function(){return this.m_bodyB.GetWorldPoint(this.m_localAnchorB)};AJ.prototype.GetReactionForce=function(A){if(A===undefined){A=0}return new x(A*this.m_impulse.x,A*this.m_impulse.y)};AJ.prototype.GetReactionTorque=function(A){if(A===undefined){A=0}return A*this.m_impulse.z};AJ.prototype.b2WeldJoint=function(A){this.__super.b2Joint.call(this,A);this.m_localAnchorA.SetV(A.localAnchorA);this.m_localAnchorB.SetV(A.localAnchorB);this.m_referenceAngle=A.referenceAngle;this.m_impulse.SetZero();this.m_mass=new o};AJ.prototype.InitVelocityConstraints=function(I){var G,E=0,F=this.m_bodyA,B=this.m_bodyB;G=F.m_xf.R;var A=this.m_localAnchorA.x-F.m_sweep.localCenter.x,D=this.m_localAnchorA.y-F.m_sweep.localCenter.y;E=G.col1.x*A+G.col2.x*D;D=G.col1.y*A+G.col2.y*D;A=E;G=B.m_xf.R;var M=this.m_localAnchorB.x-B.m_sweep.localCenter.x,K=this.m_localAnchorB.y-B.m_sweep.localCenter.y;E=G.col1.x*M+G.col2.x*K;K=G.col1.y*M+G.col2.y*K;M=E;G=F.m_invMass;E=B.m_invMass;var H=F.m_invI,L=B.m_invI;this.m_mass.col1.x=G+E+D*D*H+K*K*L;this.m_mass.col2.x=-D*A*H-K*M*L;this.m_mass.col3.x=-D*H-K*L;this.m_mass.col1.y=this.m_mass.col2.x;this.m_mass.col2.y=G+E+A*A*H+M*M*L;this.m_mass.col3.y=A*H+M*L;this.m_mass.col1.z=this.m_mass.col3.x;this.m_mass.col2.z=this.m_mass.col3.y;this.m_mass.col3.z=H+L;if(I.warmStarting){this.m_impulse.x*=I.dtRatio;this.m_impulse.y*=I.dtRatio;this.m_impulse.z*=I.dtRatio;F.m_linearVelocity.x-=G*this.m_impulse.x;F.m_linearVelocity.y-=G*this.m_impulse.y;F.m_angularVelocity-=H*(A*this.m_impulse.y-D*this.m_impulse.x+this.m_impulse.z);B.m_linearVelocity.x+=E*this.m_impulse.x;B.m_linearVelocity.y+=E*this.m_impulse.y;B.m_angularVelocity+=L*(M*this.m_impulse.y-K*this.m_impulse.x+this.m_impulse.z)}else{this.m_impulse.SetZero()}};AJ.prototype.SolveVelocityConstraints=function(){var R,M=0,K=this.m_bodyA,L=this.m_bodyB,G=K.m_linearVelocity,F=K.m_angularVelocity,H=L.m_linearVelocity,V=L.m_angularVelocity,S=K.m_invMass,N=L.m_invMass,U=K.m_invI,Q=L.m_invI;R=K.m_xf.R;var O=this.m_localAnchorA.x-K.m_sweep.localCenter.x,I=this.m_localAnchorA.y-K.m_sweep.localCenter.y;M=R.col1.x*O+R.col2.x*I;I=R.col1.y*O+R.col2.y*I;O=M;R=L.m_xf.R;var E=this.m_localAnchorB.x-L.m_sweep.localCenter.x,D=this.m_localAnchorB.y-L.m_sweep.localCenter.y;M=R.col1.x*E+R.col2.x*D;D=R.col1.y*E+R.col2.y*D;E=M;R=H.x-V*D-G.x+F*I;M=H.y+V*E-G.y-F*O;var A=V-F,B=new AG;this.m_mass.Solve33(B,-R,-M,-A);this.m_impulse.Add(B);G.x-=S*B.x;G.y-=S*B.y;F-=U*(O*B.y-I*B.x+B.z);H.x+=N*B.x;H.y+=N*B.y;V+=Q*(E*B.y-D*B.x+B.z);K.m_angularVelocity=F;L.m_angularVelocity=V};AJ.prototype.SolvePositionConstraints=function(){var N,I=0,G=this.m_bodyA,H=this.m_bodyB;N=G.m_xf.R;var D=this.m_localAnchorA.x-G.m_sweep.localCenter.x,B=this.m_localAnchorA.y-G.m_sweep.localCenter.y;I=N.col1.x*D+N.col2.x*B;B=N.col1.y*D+N.col2.y*B;D=I;N=H.m_xf.R;var E=this.m_localAnchorB.x-H.m_sweep.localCenter.x,R=this.m_localAnchorB.y-H.m_sweep.localCenter.y;I=N.col1.x*E+N.col2.x*R;R=N.col1.y*E+N.col2.y*R;E=I;N=G.m_invMass;I=H.m_invMass;var O=G.m_invI,K=H.m_invI,Q=H.m_sweep.c.x+E-G.m_sweep.c.x-D,M=H.m_sweep.c.y+R-G.m_sweep.c.y-B,L=H.m_sweep.a-G.m_sweep.a-this.m_referenceAngle,F=10*AC.b2_linearSlop,A=Math.sqrt(Q*Q+M*M),S=r.Abs(L);if(A>F){O*=1;K*=1}this.m_mass.col1.x=N+I+B*B*O+R*R*K;this.m_mass.col2.x=-B*D*O-R*E*K;this.m_mass.col3.x=-B*O-R*K;this.m_mass.col1.y=this.m_mass.col2.x;this.m_mass.col2.y=N+I+D*D*O+E*E*K;this.m_mass.col3.y=D*O+E*K;this.m_mass.col1.z=this.m_mass.col3.x;this.m_mass.col2.z=this.m_mass.col3.y;this.m_mass.col3.z=O+K;F=new AG;this.m_mass.Solve33(F,-Q,-M,-L);G.m_sweep.c.x-=N*F.x;G.m_sweep.c.y-=N*F.y;G.m_sweep.a-=O*(D*F.y-B*F.x+F.z);H.m_sweep.c.x+=I*F.x;H.m_sweep.c.y+=I*F.y;H.m_sweep.a+=K*(E*F.y-R*F.x+F.z);G.SynchronizeTransform();H.SynchronizeTransform();return A<=AC.b2_linearSlop&&S<=AC.b2_angularSlop};Box2D.inherit(C,Box2D.Dynamics.Joints.b2JointDef);C.prototype.__super=Box2D.Dynamics.Joints.b2JointDef.prototype;C.b2WeldJointDef=function(){Box2D.Dynamics.Joints.b2JointDef.b2JointDef.apply(this,arguments);this.localAnchorA=new x;this.localAnchorB=new x};C.prototype.b2WeldJointDef=function(){this.__super.b2JointDef.call(this);this.type=s.e_weldJoint;this.referenceAngle=0};C.prototype.Initialize=function(D,B,A){this.bodyA=D;this.bodyB=B;this.localAnchorA.SetV(this.bodyA.GetLocalPoint(A));this.localAnchorB.SetV(this.bodyB.GetLocalPoint(A));this.referenceAngle=this.bodyB.GetAngle()-this.bodyA.GetAngle()}})();(function(){var A=Box2D.Dynamics.b2DebugDraw;A.b2DebugDraw=function(){this.m_xformScale=this.m_fillAlpha=this.m_alpha=this.m_lineThickness=this.m_drawScale=1;var B=this;this.m_sprite={graphics:{clear:function(){B.m_ctx.clearRect(0,0,B.m_ctx.canvas.width,B.m_ctx.canvas.height)}}}};A.prototype._color=function(C,B){return"rgba("+((C&16711680)>>16)+","+((C&65280)>>8)+","+(C&255)+","+B+")"};A.prototype.b2DebugDraw=function(){this.m_drawFlags=0};A.prototype.SetFlags=function(B){if(B===undefined){B=0}this.m_drawFlags=B};A.prototype.GetFlags=function(){return this.m_drawFlags};A.prototype.AppendFlags=function(B){if(B===undefined){B=0}this.m_drawFlags|=B};A.prototype.ClearFlags=function(B){if(B===undefined){B=0}this.m_drawFlags&=~B};A.prototype.SetSprite=function(B){this.m_ctx=B};A.prototype.GetSprite=function(){return this.m_ctx};A.prototype.SetDrawScale=function(B){if(B===undefined){B=0}this.m_drawScale=B};A.prototype.GetDrawScale=function(){return this.m_drawScale};A.prototype.SetLineThickness=function(B){if(B===undefined){B=0}this.m_lineThickness=B;this.m_ctx.strokeWidth=B};A.prototype.GetLineThickness=function(){return this.m_lineThickness};A.prototype.SetAlpha=function(B){if(B===undefined){B=0}this.m_alpha=B};A.prototype.GetAlpha=function(){return this.m_alpha};A.prototype.SetFillAlpha=function(B){if(B===undefined){B=0}this.m_fillAlpha=B};A.prototype.GetFillAlpha=function(){return this.m_fillAlpha};A.prototype.SetXFormScale=function(B){if(B===undefined){B=0}this.m_xformScale=B};A.prototype.GetXFormScale=function(){return this.m_xformScale};A.prototype.DrawPolygon=function(E,D,F){if(D){var C=this.m_ctx,B=this.m_drawScale;C.beginPath();C.strokeStyle=this._color(F.color,this.m_alpha);C.moveTo(E[0].x*B,E[0].y*B);for(F=1;F<D;F++){C.lineTo(E[F].x*B,E[F].y*B)}C.lineTo(E[0].x*B,E[0].y*B);C.closePath();C.stroke()}};A.prototype.DrawSolidPolygon=function(E,D,F){if(D){var C=this.m_ctx,B=this.m_drawScale;C.beginPath();C.strokeStyle=this._color(F.color,this.m_alpha);C.fillStyle=this._color(F.color,this.m_fillAlpha);C.moveTo(E[0].x*B,E[0].y*B);for(F=1;F<D;F++){C.lineTo(E[F].x*B,E[F].y*B)}C.lineTo(E[0].x*B,E[0].y*B);C.closePath();C.fill();C.stroke()}};A.prototype.DrawCircle=function(E,D,F){if(D){var C=this.m_ctx,B=this.m_drawScale;C.beginPath();C.strokeStyle=this._color(F.color,this.m_alpha);C.arc(E.x*B,E.y*B,D*B,0,Math.PI*2,true);C.closePath();C.stroke()}};A.prototype.DrawSolidCircle=function(H,E,L,D){if(E){var C=this.m_ctx,F=this.m_drawScale,I=H.x*F,J=H.y*F;C.moveTo(0,0);C.beginPath();C.strokeStyle=this._color(D.color,this.m_alpha);C.fillStyle=this._color(D.color,this.m_fillAlpha);C.arc(I,J,E*F,0,Math.PI*2,true);C.moveTo(I,J);C.lineTo((H.x+L.x*E)*F,(H.y+L.y*E)*F);C.closePath();C.fill();C.stroke()}};A.prototype.DrawSegment=function(E,D,F){var C=this.m_ctx,B=this.m_drawScale;C.strokeStyle=this._color(F.color,this.m_alpha);C.beginPath();C.moveTo(E.x*B,E.y*B);C.lineTo(D.x*B,D.y*B);C.closePath();C.stroke()};A.prototype.DrawTransform=function(C){var B=this.m_ctx,D=this.m_drawScale;B.beginPath();B.strokeStyle=this._color(16711680,this.m_alpha);B.moveTo(C.position.x*D,C.position.y*D);B.lineTo((C.position.x+this.m_xformScale*C.R.col1.x)*D,(C.position.y+this.m_xformScale*C.R.col1.y)*D);B.strokeStyle=this._color(65280,this.m_alpha);B.moveTo(C.position.x*D,C.position.y*D);B.lineTo((C.position.x+this.m_xformScale*C.R.col2.x)*D,(C.position.y+this.m_xformScale*C.R.col2.y)*D);B.closePath();B.stroke()}})();var i;for(i=0;i<Box2D.postDefs.length;++i){Box2D.postDefs[i]()}delete Box2D.postDefs;(function(B){B.fn.vs=function(){};B.fn._vs={};B.fn._vs.token={};B.fn._vs.draw={};B.fn._vs.stream={};B.fn._vs.chart={};B.fn._vs.phy={};B.fn._vs.decay={};B.fn._vs.flocculate={};B.fn._vs.strata={};B.fn._vs.aggregate={};var A=function(E,O){this.token=B.fn._vs.token;this.draw=B.fn._vs.draw;this.stream=B.fn._vs.stream;this.chart=B.fn._vs.chart;this.phy=B.fn._vs.phy;this.decay=B.fn._vs.decay;this.flocculate=B.fn._vs.flocculate;this.strata=B.fn._vs.strata;this.requestAnimFrame;this.mouse={};this.mouse.x=0;this.mouse.y=0;this.mouse.isMouseDragging=false;this.mouse.isMouseDown=false;this.mouse.selectedBody=null;this.dataFlow=[];this.chartPhySetup={};this.tokens=[];this.world=null;this.ctx=null;var D=B(E);var M=this;var L=[];var N;var C;var H={x:0,y:0,width:290.5,height:300.5,DOMelement:null,chart:{x:undefined,y:undefined,width:undefined,height:undefined,colorRange:d3.scale.category10(),scale:d3.scale,type:"StackedAreaChart",spacer:5,column:3,wallColor:"rgba(230,230,230,0)",label:true,radius:10},data:{model:[{label:"Column A"},{label:"Column B"},{label:"Column C"},],strata:[[{initValue:100,label:"Strata 1 col A"}],[{initValue:20,label:"Strata 1 col B"}],[{initValue:175,label:"Strata 2 col C"}]],token:[{timestamp:1,category:1,value:1,userdata:{},callback:{}}],tokenPast:0,stream:{provider:"generator",refresh:10000/8,now:0},},sedimentation:{token:{size:{original:4,minimum:2},visible:true},incoming:{strategy:1,point:[{x:50,y:0},{x:100,y:0},{x:150,y:0}],target:[{x:50,y:0},{x:100,y:0},{x:150,y:0}]},granulate:{visible:false},flocculate:{number:1,action:"buffer",strategy:"Size",bufferSize:5,bufferTime:1000,bufferHeight:50,bufferFrameRate:25,buffer:[]},suspension:{height:null,incomming:"top",decay:{power:1.001},refresh:200},accumulation:{height:null},aggregation:{height:0,maxData:0,invertStrata:false},},options:{refresh:1000/25,panel:false,scale:30,layout:false,canvasFirst:true}};this.now=function(){return(new Date().getTime())};this.globalDecay=function(P){if(typeof(P)=="undefined"){return this.settings.sedimentation.suspension.decay.power}else{return this.settings.sedimentation.suspension.decay.power=P}};this.getWorld=function(){return this.world};this.chartUpdate=function(P,R){var Q={cat:P,y:R};this.chart[this.settings.chart.type](M,"update",Q)};this.flocculateTokens=function(P){return this.flocculate.update(M,P)};this.flocculateAll=function(){return this.flocculate.all(M)};this.addToken=function(P){return this.token.addToken(M,P)};this.selectAll=function(P,Q){return this.token.selectAll(M,P,Q)};this.select=function(P,Q){return this.token.select(M,P,Q)};this.updateAll=function(P){var Q=this.chart.updateAll(M,key,value);return Q};this.update=function(P,Q){var R=this.chart.update(M,P,Q);return R};function J(S,R){var Q={};for(var P in S){Q[P]=S[P]}for(var P in R){Q[P]=R[P]}return Q}J(H,O);if(O.data!=undefined){H.data=O.data}this.settings=B.extend(true,H,O);this.settings.DOMelement=E;if(typeof(this.settings.chart.width)=="undefined"){this.settings.chart.width=this.settings.width}if(typeof(this.settings.chart.x)=="undefined"){this.settings.chart.x=0}if(typeof(this.settings.chart.y)=="undefined"){this.settings.chart.y=0}if(typeof(this.settings.chart.height)=="undefined"){this.settings.chart.height=this.settings.height}if(typeof(this.settings.stream)=="undefined"){this.settings.stream={}}if(typeof(this.settings.stream.now)=="undefined"){this.settings.stream.now=0}if(typeof(this.settings.stream.provider)=="undefined"){this.settings.stream.provider="generator"}if(typeof(this.settings.stream.refresh)=="undefined"){this.settings.stream.refresh=1000}if(typeof(this.settings.data.tokenPast)=="undefined"){this.settings.data.tokenPast=0}if(typeof(this.settings.data.tokens)=="undefined"){this.settings.data.tokens=[]}if(typeof(this.settings.data.strata)!="undefined"&&this.settings.data.strata.length!=0){if(typeof(this.settings.sedimentation.aggregation)=="undefined"){this.settings.sedimentation.aggregation={}}if(typeof(this.settings.sedimentation.aggregation.height)=="undefined"){this.settings.sedimentation.aggregation.height=this.settings.chart.height/2}if(typeof(this.settings.sedimentation.aggregation.maxData)=="undefined"){this.settings.sedimentation.aggregation.maxData=10}}this.init=function(){this.requestAnimFrame=(function(){return window.requestAnimationFrame||window.webkitRequestAnimationFrame||window.mozRequestAnimationFrame||window.oRequestAnimationFrame||window.msRequestAnimationFrame||function(W,V){window.setTimeout(W,1000/60)}})();this.world=new this.phy.b2World(new this.phy.b2Vec2(0,0),true);var Q=E.appendChild(document.createElement("div"));Q.id="box_sediviz_"+I();Q.width=this.settings.width;Q.height=this.settings.height;this.settings.DOMelement=Q;C=Q.appendChild(document.createElement("canvas"));C.id="canvas";C.width=this.settings.width;C.height=this.settings.height;C.style.position="absolute";this.ctx=C.getContext("2d");this.chart[this.settings.chart.type](M,"init");this.stream.init(M);this.flocculate.init(M);this.stream.update(M);this.token.init(M);this.strata.init(this);window.setInterval(function(){M.update(M)},M.settings.options.refresh/2);window.setInterval(function(){M.draw.update(M)},M.settings.options.refresh);window.setInterval(function(){M.decay.update(M)},M.settings.sedimentation.suspension.refresh);M.strata.update(M);this.getBodyAtMouse=function(b){var V=b.mouse.x/b.settings.options.scale;var Z=b.mouse.y/b.settings.options.scale;var Y=new b.phy.b2Vec2(V,Z);var W=new b.phy.b2AABB();var X=0.001;W.lowerBound.Set(V-X,Z-X);W.upperBound.Set(V+X,Z+X);b.mouse.selectedToken=null;b.world.QueryAABB(function(e){return T(e,b,Y)},W);return b.mouse.selectedToken};function T(W,X,V){X.mouse.selectedToken=W;if(W.GetBody().GetType()!=X.phy.b2Body.b2_staticBody){if(W.GetShape().TestPoint(W.GetBody().GetTransform(),V)){X.mouse.selectedToken=W;return false}}return true}this.handleMouseMove=function(V,W){canvasPosition=F(W.settings.DOMelement);W.mouse.x=(V.clientX-(canvasPosition.offsetLeft-this.getScrollPosition()[0]));W.mouse.y=(V.clientY-(canvasPosition.offsetTop-this.getScrollPosition()[1]))};this.getScrollPosition=function(){return Array((document.documentElement&&document.documentElement.scrollLeft)||window.pageXOffset||M.pageXOffset||document.body.scrollLeft,(document.documentElement&&document.documentElement.scrollTop)||window.pageYOffset||M.pageYOffset||document.body.scrollTop)};document.addEventListener("mousemove",function(V){S(V,M)});document.addEventListener("mouseup",function(V){U(V,M)});document.addEventListener("mousedown",function(V){R(V,M)});function P(Y,b){var W=b.getBodyAtMouse(b);if(W!=null){if(typeof(W.m_userData)!="undefined"){if(typeof(W.m_userData.callback)!="undefined"){if(typeof(W.m_userData.callback.mouseover)=="function"){var V=b.select("ID",W.m_userData.ID);W.m_userData.callback.mouseover(V)}if(typeof(W.m_userData.callback.mouseout)=="function"){var V=b.select("ID",W.m_userData.ID);var Z;var X=function(){var f=Z;var h=V;var e=b;var g=W;return function(){var k=e.getBodyAtMouse(e);var l=false;if(k!=null){if(typeof(k.m_userData)!="undefined"){if(k.m_userData.ID==h.attr("ID")){l=false}else{l=true}}else{l=true}}else{l=true}if(l){g.m_userData.callback.mouseout(h);clearInterval(Z)}}};Z=window.setInterval(X(),100)}}}}}function R(X,Y){Y.mouse.isMouseDown=true;Y.handleMouseMove(X,Y);var W=Y.getBodyAtMouse(Y);if(W!=null){if(typeof(W.m_userData)!="undefined"){if(typeof(W.m_userData.callback)!="undefined"){if(typeof(W.m_userData.callback.onclick)=="function"){var V=Y.select("ID",W.m_userData.ID);W.m_userData.callback.onclick(V)}}}}}function U(V,W){W.mouse.isMouseDown=false}function S(V,W){if(W.mouse.isMouseDown){W.mouse.isMouseDragging=true;W.mouse.x=V.clientX;W.mouse.y=V.clientY}else{W.handleMouseMove(V,W);P("move",W)}}};this.mouse.update=function(Q){if(isMouseDown&&(!mouseJoint)){var P=getBodyAtMouse();if(P){var R=new b2MouseJointDef();R.bodyA=world.GetGroundBody();R.bodyB=P;R.target.Set(mouseX,mouseY);R.collideConnected=true;R.maxForce=300*P.GetMass();mouseJoint=world.CreateJoint(R);P.SetAwake(true)}}if(mouseJoint){if(isMouseDown){mouseJoint.SetTarget(new b2Vec2(mouseX,mouseY))}else{world.DestroyJoint(mouseJoint);mouseJoint=null}}};this.update=function(P){this.world.Step(1/60,10,10);this.world.DrawDebugData();this.world.ClearForces()};var G=function(){ctx.fillStyle="rgb(200,0,0)";this.ctx.font="14pt Calibri,Geneva,Arial";this.ctx.fillText("Canvas ready for Visual Sedimentation ",10,20);window.setInterval(B.fn.vs.draw.refresh(ctx,world,this.settings),this.settings.options.refresh);console.log("draw Init ")};var F=function(R){var Q=R.offsetTop;var P=R.offsetLeft;while(R=R.offsetParent){Q+=R.offsetTop;P+=R.offsetLeft}return{offsetLeft:P,offsetTop:Q}};var I=function(){var P=function(){return Math.floor(Math.random()*65536).toString(16)};return(P()+P()+"-"+P()+"-"+P()+"-"+P()+"-"+P()+P()+P())};function K(Q){if(null==Q||"object"!=typeof Q){return Q}var R=Q.constructor();for(var P in Q){if(Q.hasOwnProperty(P)){R[P]=Q[P]}}return R}this.utile={};this.utile.GUID=I;this.utile.clone=K;this.settings=B.extend(this.settings,{}||{});this.init()};B.fn.vs=function(C){if(!arguments.length){var C={}}return this.each(function(){var D=B(this);if(D.data("VisualSedimentation")){return}var E=new A(this,C);D.data("visualSedimentation",E)})}})(jQuery);(function(A){A.fn._vs.phy={b2Vec2:Box2D.Common.Math.b2Vec2,b2AABB:Box2D.Collision.b2AABB,b2BodyDef:Box2D.Dynamics.b2BodyDef,b2Body:Box2D.Dynamics.b2Body,b2FixtureDef:Box2D.Dynamics.b2FixtureDef,b2Fixture:Box2D.Dynamics.b2Fixture,b2World:Box2D.Dynamics.b2World,b2MassData:Box2D.Collision.Shapes.b2MassData,b2PolygonShape:Box2D.Collision.Shapes.b2PolygonShape,b2CircleShape:Box2D.Collision.Shapes.b2CircleShape,b2DebugDraw:Box2D.Dynamics.b2DebugDraw,b2MouseJointDef:Box2D.Dynamics.Joints.b2MouseJointDef,b2Shape:Box2D.Collision.Shapes.b2Shape,b2DistanceJointDef:Box2D.Dynamics.Joints.b2DistanceJointDef,b2RevoluteJointDef:Box2D.Dynamics.Joints.b2RevoluteJointDef,b2Joint:Box2D.Dynamics.Joints.b2Joint,b2PrismaticJointDef:Box2D.Dynamics.Joints.b2PrismaticJointDef,b2ContactListener:Box2D.Dynamics.b2ContactListener,b2Settings:Box2D.Common.b2Settings}})(jQuery);(function(A){A.fn.vs.chart={}})(jQuery);(function(A){A.fn._vs.draw={settings:{draw:{trail:1,showLayout:false}},update:function(D){if(this.settings.draw.trail==1){D.ctx.clearRect(0,0,D.ctx.canvas.clientWidth,D.ctx.canvas.clientHeight)}else{debugDrawChart(0,0,ctx.canvas.clientWidth,ctx.canvas.clientHeight,"rgba(255,255,255,"+this.settings.draw.trail+")",ctx)}for(var B=D.world.GetBodyList();B;B=B.GetNext()){for(var C=B.GetFixtureList();C!=null;C=C.GetNext()){this.drawShape(D,C)}}if(this.settings.draw.showLayout==true){this.debugDrawChart(chart.position.x,chart.position.y,chart.position.width,chart.position.height,"rgba(255,0,0,0.2)",ctx)}},debugDrawChart:function(B,G,D,F,E,C){C.save();C.translate(0,0);C.fillStyle=E;C.beginPath();C.rect(B,G,D,F);C.closePath();C.strokeStyle="#000";C.lineWidth=0.5;C.stroke();C.restore()},clippedBackgroundImage:function(C,D,B,E){C.save();C.clip();C.drawImage(D,B-(D.height/2),E-(D.width/2),D.width,D.height);C.restore()},haveTexture:function(C){var B=false;if(typeof(C.m_userData.texture)!="undefined"){if(typeof(C.m_userData.texture.img)!="undefined"){if(C.m_userData.texture.img.complete){B=true}}}return B},drawShape:function(K,F){var Q=F.GetBody();var R=Q.GetPosition();var P=Q.GetAngle();var D=9;var C=10;var S=K.settings.options.scale;F.m_userData.x=Q.GetWorldCenter().x*S;F.m_userData.y=Q.GetWorldCenter().y*S;if(typeof(F.m_userData.callback)!="undefined"){if(typeof(F.m_userData.callback.draw)=="function"){var E=K.select("ID",F.m_userData.ID);F.m_userData.callback.draw(E)}}switch(F.GetType()){case 0:switch(F.m_userData){case null:K.ctx.fillStyle="rgba(255,0,0,1)";break;default:K.ctx.fillStyle=F.m_userData.fillStyle;break}var B=F.m_shape.m_radius;if(K.settings.sedimentation.token.visible==true){K.ctx.save();K.ctx.translate(R.x*S,R.y*S);K.ctx.rotate(P);K.ctx.beginPath();var O=(B/C*D)*S;if(typeof(F.m_userData.strokeStyle)!="undefined"){K.ctx.strokeStyle=F.m_userData.strokeStyle}else{K.ctx.strokeStyle="rgba(0,0,0,0)"}if(typeof(F.m_userData.lineWidth)!="undefined"){K.ctx.lineWidth=F.m_userData.lineWidth}else{K.ctx.lineWidth=0}K.ctx.arc(0,0,O,0,Math.PI*2,true);if(this.haveTexture(F)){this.clippedBackgroundImage(K.ctx,F.m_userData.texture.img,0,0)}K.ctx.closePath();if(K.settings.options.layout==true){K.ctx.strokeStyle="#000";K.ctx.lineWidth=0.5;K.ctx.stroke()}else{if(!this.haveTexture(F)){K.ctx.fill()}K.ctx.stroke()}K.ctx.restore()}break;case 1:switch(F.m_userData){case null:K.ctx.fillStyle="rgba(255,0,0,1)";break;default:K.ctx.fillStyle=F.m_userData.fillStyle;break}var I=F.m_shape.m_vertices[0].x*S;var G=F.m_shape.m_vertices[0].y*S;var J=R.x*S-F.m_shape.m_vertices[0].x*S;var 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W=d3.layout.stack().offset("expand")(L.aggregate.strata_layers(L,X.length,S,V));smy=d3.max(W,function(Y){return d3.max(Y,function(Z){return Z.y0+Z.y})});W.map(function(Y){Y.map(function(Z){Z.col=V;return Z})});return W}).enter().append("g").attr("class","gpath");B.append("path").attr("d",function(W,V){D=L.settings.chart.height-L.chart.getPosition(L)[W[0].col].y;return T(W)}).style("fill",function(W,V){if(L.settings.data.strata[W[0].col][V].texture!=null){return"url(#RectanglePattern_"+W[0].col+"_"+V+")"}else{return d3.rgb(M(W[0].col)).darker(L.settings.data.strata[W[0].col].length/2-(V+1)/2)}}).attr("class",function(W,V){return"layer"}).attr("class",function(W,V){return"col_"+W[0].col+" layer_"+V});var C=E/1;var I=C;for(var F=0;F<L.settings.data.strata.length;F++){for(var J=0;J<L.settings.data.strata[F].length;J++){if(L.settings.data.strata[F][J].texture!=null){var 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L.token.colorRange(N)};L.aggregate.create_pie_chart(L,U,H,U[0].value,M,((N+1/2))*L.settings.chart.width/(L.settings.data.model.length)+L.settings.chart.x,L.settings.chart.y+L.settings.chart.height/6)}}else{var U=L.settings.data.strata.map(function(V){return{value:V[0].value}});console.log(L.settings.data.strata,U);var M=L.token.colorRange;L.aggregate.create_pie_chart(L,U,H,L.settings.chart.radius,M,L.settings.chart.x+L.settings.chart.width/2,L.settings.chart.y+L.settings.chart.height/2)}}}},create_pie_chart:function(O,T,K,J,P,N,M){var H=O.settings.width/O.settings.data.model.length,R=O.settings.sedimentation.aggregation.height;var G=d3.scale.linear().domain([0,O.settings.data.strata.length-1]).range([0,O.settings.width]);var F=d3.scale.linear().domain([0,d3.max(T,function(U){return U.value})]).rangeRound([0,R]);var C=O.settings.width,B=O.settings.height,I=O.settings.sedimentation.aggregation.height;labelr=J+30,donut=d3.layout.pie().sort(null),arc=d3.svg.arc().innerRadius(0).outerRadius(J);var L=Math.random();K.append("g.arcs_"+L).attr("class","arcs_"+L);var E=K.selectAll(".arcs").data(donut(T.map(function(V,U){return V.value}))).enter().append("svg:g").attr("transform","translate("+N+","+M+")");var D=0;var S=d3.svg.area().x(function(U){return O.settings.chart.spacer+U.x*(H-2*O.settings.chart.spacer)/smx}).y0(function(U){return(R-U.y0*D)}).y1(function(U){return(R-(U.y+U.y0)*D)});var Q=E.append("path").attr("fill",function(V,U){return P(U)}).attr("d",function(V,U){return arc(V)}).each(function(U){this._current=U})},update:function(K){if(typeof(K.settings.data.strata)=="undefined"||K.settings.data.strata.length==0||K.settings.data.strata[0].length==0){return}var N=K.settings.chart.width/K.settings.data.model.length;var I=K.settings.sedimentation.aggregation.height;var M=d3.scale.linear().domain([0,K.settings.data.strata.length-1]).range([0,K.settings.width]);var H=K.settings.data.strata.map(function(P){return{value:P[0].value}});var O=K.settings.data.strata.map(function(R){for(var P=0,Q=0;P<R.length;P++){Q+=R[P].value}return Q});var L=d3.scale.linear().domain([0,d3.max(O)]).range([0,K.settings.sedimentation.aggregation.height]);var E=K.settings.data.strata[0].length,F=20;smx=F-1,smy=0;var G=0;var D=d3.svg.area().x(function(P){return K.settings.chart.spacer+P.x*(N-2*K.settings.chart.spacer)/smx}).y0(function(P){return(I-P.y0*G)}).y1(function(P){return(I-(P.y+P.y0)*G)});var C=d3.select("svg");var J=C.selectAll(".gcol");J.data(K.settings.data.strata,function(Q,P){return[Q]});var B=J.selectAll(".gpath").data(function(R,P){var Q=d3.layout.stack().offset("expand")(K.aggregate.strata_layers(K,R.length,F,P));smy=d3.max(Q,function(S){return d3.max(S,function(T){return T.y0+T.y})});Q.map(function(S){S.map(function(T){T.col=P;return T})});return Q});B.select("path").transition().duration(100).attr("d",function(Q,P){K.chartUpdate(P,-L(O[P])-(I-K.settings.chart.height));G=K.settings.chart.height-K.chart.getPosition(K)[Q[0].col].y;return D(Q)})}}})(jQuery);(function(A){A.fn._vs.chart.StackedAreaChart=function(F,E,D){var C;this.init=function(G){console.log("StackedAreaChart Init");gravity=new G.phy.b2Vec2(0.001,10);G.world.m_gravity=gravity;G.chartPhySetup={grounds:[],wall:[]};this.setupChartPhysics(G)};this.setupChartPhysics=function(L){var M=L.settings.chart.spacer;console.log(L.settings.chart);var O=(L.settings.chart.width/L.settings.data.model.length);var H=M;var P=L.settings.chart.height/2+L.settings.chart.y;var N=L.settings.chart.height-L.settings.sedimentation.aggregation.height;console.log(N);var I=0;for(var K=0;K<L.settings.data.model.length;K++){L.settings.data.model[K].value=0;if(typeof(L.settings.data.strata)!="undefined"){if(typeof(L.settings.data.strata[K])!="undefined"){for(var J=0;J<L.settings.data.strata[K].length;J++){L.settings.data.model[K].value+=L.settings.data.strata[K][J].value}}}I+=L.settings.data.model[K].value}for(var K=0;K<L.settings.data.model.length+1;K++){var G=L.settings.chart.x+(K*O);L.chartPhySetup.wall[K]=this.createMyChartBox(L,G,P,H,L.settings.chart.height/2,"wall",L.settings.chart.wallColor);console.log(G,P);if(K<L.settings.data.model.length){L.settings.sedimentation.incoming.point[K]={x:G+(O/2),y:L.settings.y}}if(K<L.settings.data.model.length){L.chartPhySetup.grounds[K]=this.createMyChartBox(L,G+(O/2),L.settings.chart.height+L.settings.chart.y+L.settings.sedimentation.aggregation.height,O/2,L.settings.chart.height,"lift","rgba(250,250,250,0)");this.update(L,{cat:K,y:L.settings.chart.height})}}};this.token=function(J,G){var I=G;var H={x:(J.settings.sedimentation.incoming.point[I].x+(Math.random()*2)),y:(J.settings.sedimentation.incoming.point[I].y+(Math.random()*1)),t:J.now(),size:J.settings.sedimentation.token.size.original,category:I,lineWidth:0,};return H};this.createMyChartBox=function(M,P,O,Q,L,N,J){var I=M.settings.options.scale;var G=new M.phy.b2FixtureDef;G.density=1;G.friction=0.5;G.restitution=0.2;var H=new M.phy.b2BodyDef;H.type=M.phy.b2Body.b2_staticBody;G.shape=new M.phy.b2PolygonShape;G.shape.SetAsBox(Q/I,L/I);H.position.Set(P/I,O/I);var K=M.world.CreateBody(H).CreateFixture(G);K.m_userData={type:N,fillStyle:J,w:Q,h:L,x:P,y:O};return K};this.update=function(K,J){var I={cat:0,y:0};if(K.chartPhySetup.grounds[J.cat]!=null){var H=K.chartPhySetup.grounds[J.cat].GetBody();var G=H.GetWorldCenter();G.y=(J.y+K.settings.chart.height+K.settings.chart.y+K.settings.sedimentation.aggregation.height)/K.settings.options.scale;H.SetPosition(G)}};this.getPositionOld=function(I){var G=[];for(var H=0;H<I.chartPhySetup.grounds.length;H++){myElement=I.chartPhySetup.grounds[H];myBody=myElement.GetBody();G.push({x:(myBody.GetWorldCenter().x*I.settings.options.scale),y:(myBody.GetWorldCenter().y*I.settings.options.scale),a:myBody.GetAngle(),w:myElement.m_userData.w,h:myElement.m_userData.h,r:myElement.m_userData.r,})}return G};this.getPosition=function(I){var G=[];for(var H=0;H<I.chartPhySetup.grounds.length;H++){myElement=I.chartPhySetup.grounds[H];myBody=myElement.GetBody();G.push({x:(myBody.GetWorldCenter().x*I.settings.options.scale),y:(myBody.GetWorldCenter().y*I.settings.options.scale)-I.settings.chart.height-I.settings.chart.y,a:myBody.GetAngle(),w:myElement.m_userData.w,h:myElement.m_userData.h,r:myElement.m_userData.r,})}return G};if(typeof(E)!=undefined){var B=this[E](F,D);if(typeof(B)!=undefined){return B}}}})(jQuery);(function(A){A.fn._vs.chart.CircleLayout=function(I,M,Q){var H;var K;var J;var G;var N=[];var E=0;var I;this.init=function(U,S){console.log("Circle Layout Init");this._this=U;gravity=new U.phy.b2Vec2(0,0);U.world.m_gravity=gravity;U.chartPhySetup={grounds:[],wall:[]};this.treeLayout=U.settings.chart.treeLayout;for(var T=0;T<U.settings.data.model.length;T++){U.settings.data.strata[T][0].value=U.settings.data.strata[T][0].initValue}for(var T=0;T<U.settings.data.model.length;T++){U.settings.data.model[T].value=0;for(var R=0;R<U.settings.data.strata[T].length;R++){U.settings.data.model[T].value+=U.settings.data.strata[T][R].value}N.push(U.settings.data.model[T].value);E+=U.settings.data.model[T].value}if(this.treeLayout){console.log("ici");this.setupBubbleChartPhysics(U)}else{this.setupPieChartPhysics(U)}};this.setupPieChartPhysics=function(X){console.log("w",X.settings.width);var S=X.settings.chart.radius;K=X.settings.chart.width/2+X.settings.chart.x;J=X.settings.chart.height/2+X.settings.chart.y;var V=O(K,J,S,X.settings.chart.wallColor);for(var U=0;U<X.settings.data.model.length;U++){X.settings.sedimentation.incoming.target[U]={x:K,y:J}}var R=[];var T=X.settings.chart.spacer;var W=0;console.log("tdv",E);if(E==0){for(var U=0;U<X.settings.data.length;U++){N[U]=1}E=N.length}for(var U=0;U<N.length;U++){v=N[U];a2=((v/2+W)/E)*360-90;W+=v;a=(W/E)*360-90;c=L(a2,S*5,K,J);console.log(c);X.settings.sedimentation.incoming.point[U]=c;X.chartPhySetup.grounds[U]=this.createBox(X,K,J,T,S,a,S,"wall",X.settings.chart.wallColor)}console.log("w",X.settings.chart.width)};this.update=function(Y,U){console.log("update");var T={cat:0,r:0};U.r-=90;var W=(U.r+90)*(Math.PI/180);var X=L(U.r,Y.settings.chart.radius,Y.settings.chart.width/2+Y.settings.chart.x,Y.settings.chart.height/2+Y.settings.chart.y);if(Y.chartPhySetup.grounds[U.cat]!=null){var S=Y.chartPhySetup.grounds[U.cat].GetBody();var R=S.GetWorldCenter();var V=S.GetAngle();R.y=X.y/Y.settings.options.scale;R.x=X.x/Y.settings.options.scale;V=W;S.SetPosition(R);S.SetAngle(V)}};this.token=function(U,R){var T=R;var S={x:(U.settings.sedimentation.incoming.point[T].x+(Math.random()*2)),y:(U.settings.sedimentation.incoming.point[T].y+(Math.random()*1)),t:U.now(),size:U.settings.sedimentation.token.size.original,category:T,phy:{density:10,friction:0,restitution:0},targets:[{x:U.settings.sedimentation.incoming.target[T].x,y:U.settings.sedimentation.incoming.target[T].y}]};return S};function L(T,S,X,U){j=T*Math.PI/180;var R=(Math.cos(j)*S)+X;var W=(Math.sin(j)*S)+U;var V={x:R,y:W};return V}function O(W,V,R,T){var Y=I.settings.options.scale;var X=new I.phy.b2FixtureDef;X.density=1;X.friction=0.5;X.restitution=0.2;var S=new I.phy.b2BodyDef;X.shape=new I.phy.b2CircleShape(R/Y);S.position.Set(W/Y,V/Y);var U=I.world.CreateBody(S).CreateFixture(X);U.m_userData={type:"wall",familyID:null,fillStyle:T,strokeStyle:T,r:R};return U}this.createBox=function(Z,k,f,l,Y,g,R,e,W){var V=Z.settings.options.scale;var S=new Z.phy.b2FixtureDef;var b=L(g,R,k,f);S.density=1;S.friction=0.5;S.restitution=0.2;var U=new Z.phy.b2BodyDef;var T=(g+90)*(Math.PI/180);U.angle=T;U.type=Z.phy.b2Body.b2_staticBody;S.shape=new Z.phy.b2PolygonShape;S.shape.SetAsBox(l/V,Y/V);U.position.Set(b.x/V,b.y/V);var X=Z.world.CreateBody(U).CreateFixture(S);X.m_userData={type:e,fillStyle:W,w:l,h:Y,r:R};return X};this.getPosition=function(T){var R=[];for(var S=0;S<T.chartPhySetup.grounds.length;S++){myElement=T.chartPhySetup.grounds[S];myBody=myElement.GetBody();R.push({x:(myBody.GetWorldCenter().x*T.settings.options.scale),y:(myBody.GetWorldCenter().y*T.settings.options.scale),a:myBody.GetAngle(),w:myElement.m_userData.w,h:myElement.m_userData.h,r:myElement.m_userData.r,})}return R};this.setupBubbleChartPhysics=function(Y){console.log("setupBubbleChartPhysics");var V=(Y.settings.chart.width/Y.settings.data.model.length);var T=Y.settings.chart.spacer;var S=Y.settings.chart.height/2+Y.settings.y+T;var W=0;var X=0;var R=Y.settings.chart.column;for(var U=0;U<Y.settings.data.model.length;U++){X=Y.settings.chart.x+(U%R*T)+(T/2);W=Y.settings.chart.y+Math.floor(U/R)*T+(T/2);Y.settings.sedimentation.incoming.target[U]={x:X,y:W};O[U]=C(X,W,Y.settings.chart.spacer,U);Y.settings.data.model[U].incomingPoint={x:X,y:W}}};function C(b,W,X,S){console.log("CreatMyBubblePivot",b,W,X,S);var U=I.settings.options.scale;var R=new I.phy.b2FixtureDef;var Z=d3.scale.category10();R.density=10000;R.friction=0;R.restitution=0;var V=new I.phy.b2BodyDef;R.shape=new I.phy.b2CircleShape(X*U);V.position.Set(b/U,W/U);var T=I.world.CreateBody(V);var Y=T.CreateFixture(R);console.log(S,Z(S));Y.m_userData={type:"BubblePivot",familyID:S,fillStyle:I.settings.chart.wallColor};console.log(S,Y);Y.m_shape.m_radius=I.settings.data.model[S].value/U;return Y}this.getPivotPosition=function(T){if(typeof(T)!="undefined"){return this.pivot}else{var R=[];for(var S=0;S<I.settings.data.model.length;S++){R.push(I.settings.data.model[S])}return R}};function D(S,U,T){var R=O[T].GetBody();R.SetPosition(new b2Vec2(S/scale,U/scale));I.settings.data.model[T].incomingPoint.x=S;I.settings.data.model[T].incomingPoint.y=U;setFlowSpeed(speedFlow)}function B(R,U,T){for(var S=0;S<categorys[T].joins.length;S++){categorys[T].joins[S].SetTarget(new b2Vec2(R/scale,U/scale))}}function F(R,S){O[S].m_shape.m_radius=R}if(typeof(M)!=undefined){var P=this[M](I,Q);if(typeof(P)!=undefined){return P}}}})(jQuery);
\ No newline at end of file
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/tweets/main.js
--- a/integ/js/vs/tweets/main.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,265 +0,0 @@
-var myPodium,
-    myTweetSource,
-    myQueueManager;
-
-var columnCounts,
-    onlineTweets = [],
-    dumpIsPaused = false;
-
-var MAX_TWEETS_BEFORE_DUMP = 20,
-    TWEETS_TO_DUMP_AT_ONCE = 10;
-
-function updateLastTweetList() {
-    var _filtered = myTweetSource, //.afterDate(startHour),
-        _txtFilter = ""//$("#btv-cp-champ-filtre").val(),
-        _reFilter = null;
-    if (_txtFilter.length > 1) {
-        _filtered = _filtered.search(_txtFilter);
-        _reFilter = regexpFromText(_txtFilter);
-        for (var _i = 0; _i < onlineTweets.length; _i++) {
-            if (onlineTweets[_i].text.search(_reFilter) == -1) {
-                $('#'+onlineTweets[_i].id_str).fadeTo(250, 0.1);
-            } else {
-                $('#'+onlineTweets[_i].id_str).fadeTo(250, 1);
-            }
-        }
-    } else {
-        for (var _i = 0; _i < onlineTweets.length; _i++) {
-            $('#'+onlineTweets[_i].id_str).fadeTo(250, 1);
-        }
-    }
-    $('#btv-cp-liste-tweets-tout').html(
-        _filtered.reverse().slice(0,20).map(function(_t) {
-            return '<li onclick="addTweetToSelection(this); return false;"><a title="Ajouter à la sélection" href="#">'
-                + '<span class="btv-cp-tweet-date tweet-data-date">'
-                + _t.created_at.match(/\d+:\d+:\d+/)[0]
-                + '</span> <span class="btv-cp-tweet-from tweet-data-from">'
-                + ( _reFilter ? ('@' + _t.from_user).replace(_reFilter, '<span class="btv-cp-highlight">$1</span>') : ('@' + _t.from_user) )
-                + '</span> <span class="btv-cp-tweet-from-name tweet-data-from-name">'
-                + _t.from_user_name
-                + '</span> <span class="btv-cp-tweet-text tweet-data-text">'
-                + ( _reFilter ? _t.text.replace(_reFilter, '<span class="btv-cp-highlight">$1</span>') : _t.text )
-                + '</span><img class="btv-cp-tweet-image tweet-data-image" src="'
-                + _t.profile_image_url
-                + '" /><div class="btv-cp-tweet-button btv-cp-tweet-add"></div></a></li>'
-        }).join('')
-    );
-}
-
-function saveTweetSelection() {
-    if (window.localStorage) {
-        localStorage.setItem('listetweets', $("#btv-cp-liste-tweets-selection").html());
-    }
-}
-
-function addTweetToSelection(_e) {
-    $("#btv-cp-liste-tweets-selection").prepend(
-        '<li><a title="Afficher sur l\'écran" href="#" onclick="showTweetOnScreen(this); return false;">'
-        + '<span class="btv-cp-tweet-date tweet-data-date">'
-        + $(_e).find(".tweet-data-date").text()
-        + '</span>  <span class="btv-cp-tweet-from tweet-data-from">'
-        + $(_e).find(".tweet-data-from").text()
-        + '</span>  <span class="btv-cp-tweet-from-name tweet-data-from-name">'
-        + $(_e).find(".tweet-data-from-name").text()
-        + '</span> <span class="btv-cp-tweet-text tweet-data-text">'
-        + $(_e).find(".tweet-data-text").text()
-        + '</span><img class="btv-cp-tweet-image tweet-data-image" src="'
-        + $(_e).find(".tweet-data-image").attr("src")
-        + '" /><div class="btv-cp-tweet-button btv-cp-tweet-show"></div></a>'
-        + '<a title="Supprimer de cette liste" href="#" onclick="$(this).parent().detach(); saveTweetSelection(); return false;"><div class="btv-cp-tweet-button btv-cp-tweet-remove"></div></a></li>'
-    );
-    saveTweetSelection();
-}
-
-function showTweetOnScreen(_e) {
-    $("#btv-bigtweet").html('<img class="btv-bigtweet-image" src="'
-    + $(_e).find(".tweet-data-image").attr("src")
-    + '" /><p class="btv-bigtweet-screen-name">'
-    + $(_e).find(".tweet-data-from").text()
-    + '</p><p class="btv-bigtweet-name">'
-    + $(_e).find(".tweet-data-from-name").text()
-    +'</p><p class="btv-bigtweet-text">'
-    + $(_e).find(".tweet-data-text").text()
-    +'</p>').show();
-    $(".btv-cp-hide-tweets").show();
-}
-
-function showTooltip(_t, _x, _y) {
-    $("#btv-tooltip").html('<img class="btv-tooltip-image tweet-data-image" src="'
-        + _t.profile_image_url
-        + '" /><p class="btv-tooltip-name"><span class="tweet-data-from">'
-        + _t.from_user
-        + '</span> (<span class="tweet-data-from-name">'
-        + _t.from_user_name
-        +'</span>)<span class="btv-tooltip-date tweet-data-date">'
-        + _t.created_at.match(/\d+:\d+:\d+/)[0]
-        + '</span></p><p class="tweet-data-text">'
-        + _t.text
-        +'</p><div class="btv-tooltip-arrow"></div>').show().css({
-            "left": _x + "px",
-            "top": _y + "px",
-        })
-}
-
-function hideTooltip() {
-    $("#btv-tooltip").hide();
-}
-
-function showControlPanel() {
-    $("#btv-cp-container").dequeue().animate({
-            "left": 0
-        });
-}
-
-function hideControlPanel() {
-    $("#btv-cp-container").dequeue().animate({
-            "left": "-315px"
-        });
-}
-
-function updatePodiumAndLabels(_counts) {
-    //myPodium.update(_counts);
-    //$("#podium-chiffres").html(_counts.map(function(_c) {
-    //    return '<li>' + _c + '</li>'
-    //}).join(""));
-}
-
-function getPodium() {
-    $.getJSON(serverUrl
-        + 'podium/'
-        + Math.floor(startHour/1000)
-        + '/'
-        + columnKeywords.map(function(_c) {
-            return encodeURIComponent(_c);
-        }).join(',')
-        + '?callback=?',
-    function(_data) {
-        var _counts = columnKeywords.map(function(_c) {
-            return _data.podium[_c] || 0;
-        });
-        $("#btv-cp-nb-tweets").html(_data.total);
-        updatePodiumAndLabels(_counts);
-   });
-}
-
-$(function() {
-    columnCounts = columnKeywords.map(function() {
-        return 0;
-    })
-    setInterval(function() {
-        var _d = (new Date() - startHour),
-            _t = Math.abs(Math.floor(_d/1000)),
-            _s = _t % 60,
-            _m = Math.floor(_t/60) % 60,
-            _h = Math.floor(_t/3600);
-        $("#btv-cp-temps").html(
-            (_d < 0 ? '-' : '' ) + _h  + ':' + (_m < 10 ? '0' : '') + _m + ':' + (_s < 10 ? '0' : '') + _s
-        )
-    }, 500);
-    
-    
-    if (typeof serverUrl != "undefined") {
-        setInterval(getPodium, 2000);
-    }
-    
-    $("#podium-labels").html(columnKeywords.map(function(_w) {
-        return '<li>' + _w + '</li>'
-    }).join(""));
-    
-    myTweetSource = new Btv_TweetSource({
-        keywords: searchKeywords
-    });
-    myTweetSource.setOnNewTweets(function() {
-        console.log("new tweets")
-        updateLastTweetList();
-        if (typeof serverUrl == "undefined") {
-            var _filtered = this.afterDate(startHour);
-            $("#btv-cp-nb-tweets").html(_filtered.count());
-            var _counts = [];
-            for (var _i = 0; _i < columnKeywords.length; _i++) {
-                _counts.push(_filtered.search(columnKeywords[_i]).count());
-            }
-            updatePodiumAndLabels(_counts);
-        }
-    });
-    myQueueManager = new Btv_TweetQueueManager(myTweetSource, function(_t) {
-        var _cat = -1;
-        for (var i = 0; i < columnKeywords.length; i++) {
-            if (_t.text.search(regexpFromText(columnKeywords[i])) != -1) {
-                _cat = i;
-                break;
-            }
-        }
-        if (_cat != -1) {
-            _t.cat = _cat;
-            columnCounts[_cat]++;
-            onlineTweets.push(_t);
-            //createBallTweetForce(_t);
-            if (!dumpIsPaused) {
-                for (var _i = 0; _i < columnCounts.length; _i++) {
-                    if (columnCounts[_cat] > MAX_TWEETS_BEFORE_DUMP) {
-                        var toDel = onlineTweets.splice(0,TWEETS_TO_DUMP_AT_ONCE);
-                        
-                        for (var _j = 0; _j < toDel.length; _j++) {
-                            var _id = toDel[_j].id_str;
-                            world.DestroyBody(b2bod[_id]);
-                            
-                            $('#'+_id).fadeTo(500, 0, function() {
-                                $(this).remove(); 
-                            });
-                        }
-                        
-                        // Regenerate column counts
-                        columnCounts = columnKeywords.map(function() {
-                            return 0;
-                        });
-                        for (var _k = 0; _k < onlineTweets.length; _k++) {
-                            columnCounts[onlineTweets[_k].cat]++;
-                        }
-                        break;
-                    }
-                }
-            }
-        }
-    });
-    
-    $("#btv-cp-container").mouseover(showControlPanel).mouseout(hideControlPanel);
-    
-    $("#btv-cp-champ-filtre").keyup(function() {
-        updateLastTweetList();
-    });
-    $("#btv-cp-clear-filtre").click(function() {
-        $("#btv-cp-champ-filtre").val("");
-        updateLastTweetList();
-        return false; 
-    });
-    $("#btv-bigtweet, .btv-cp-hide-tweets").click(function() {
-        $("#btv-bigtweet, .btv-cp-hide-tweets").hide();
-    });
-    $("#btv-cp-cont-pause-amont").click(function() {
-       if (myQueueManager.playPause()) {
-           $(this).removeClass("btv-cp-status-pause");
-           $(this).addClass("btv-cp-status-play");
-       } else {
-           $(this).addClass("btv-cp-status-pause");
-           $(this).removeClass("btv-cp-status-play");
-       }
-    });
-    $("#btv-cp-cont-pause-aval").click(function() {
-        dumpIsPaused = !dumpIsPaused
-        if (dumpIsPaused) {
-            $(this).removeClass("btv-cp-status-pause");
-            $(this).addClass("btv-cp-status-play");
-        } else {
-            $(this).addClass("btv-cp-status-pause");
-            $(this).removeClass("btv-cp-status-play");
-        }
-    });
-    
-    if (window.localStorage) {
-        var _tw = localStorage.getItem('listetweets');
-        if (_tw) {
-            $("#btv-cp-liste-tweets-selection").html(_tw);
-        }
-    }
-});
\ No newline at end of file
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/tweets/podium.js
--- a/integ/js/vs/tweets/podium.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,79 +0,0 @@
-/* Author: Raphaël Velt, IRI
- * 
- * Licence: CeCILL-B - http://www.cecill.info/licences/Licence_CeCILL-B_V1-fr.html
- * 
- * */
-
-Btv_Podium = function(data, opts) {
-    this.options = opts || {};
-    this.options.container = this.options.container || 'podium';
-    this.options.spacing = this.options.spacing || 20;
-    this.options.barBgd = this.options.barBgd || '#ffffff';
-    this.options.transitionDuration = this.options.transitionDuration || 200;
-    this.$ = this.options.jquery || jQuery;
-    this._$ = this.$('#' + this.options.container);
-    if (!this._$.length) {
-        var _el = document.createElement("div");
-        _el.id = this.options.container;
-        document.body.appendChild(_el);
-        this._$ = this.$(_el);
-    }
-    this.options.width = this.options.width || this._$.width();
-    this.options.height = this.options.height || this._$.height();
-    this.options.minHeight = this.options.minHeight || 0;
-    this.lastheights = [];
-    this.update(data, true);
-}
-
-Btv_Podium.prototype.update = function(data, noAnimate) {
-    var _data = data || [];
-    while (_data.length > this._$.children().length) {
-        var _newCol = document.createElement("div");
-        this.$(_newCol).css({
-            "float": "left",
-            "background": this.options.barBgd,
-            "width": 0,
-            "height": 0,
-            "margin-top": this.options.height,
-            "margin-left": 0,
-        });
-        this._$.append(_newCol);
-    }
-    while (_data.length < this._$.children().length) {
-        this._$.children().last().detach();
-    }
-    if (_data.length) {
-        var _max = _data.reduce(function(_memo, _val) {
-                return Math.max(_memo, _val);
-            }, 1),
-            _scale = (this.options.height - this.options.minHeight) / _max,
-            _spacing = Math.min(this.options.spacing, Math.floor(.5*this.options.width/_data.length)),
-            _width = Math.floor(( this.options.width - (_data.length - 1) * _spacing) / _data.length),
-            _this = this,
-            _heights = [];
-        this._$.children().each(function(_i, _e) {
-            var _height = Math.floor(_scale * _data[_i] + _this.options.minHeight),
-                _css = {},
-                _changed = false;
-            _heights.push(_height);
-            if (_data.length != _this.lastheights.length) {
-                _css["width"] = _width;
-                _css["margin-left"] = (_i ? _spacing : 0);
-                _changed = true;
-            }
-            if (_i >= _data.length || _height != _this.lastheights[_i]) {
-                _css["height"] = _height;
-                _css["margin-top"] = _this.options.height - _height
-                _changed = true;
-            }
-            if (_changed) {
-                if (noAnimate) {
-                    _this.$(_e).css(_css); 
-                } else {
-                    _this.$(_e).animate(_css);
-                }
-            }
-        });
-        this.lastheights = _heights;
-    }
-}
\ No newline at end of file
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/tweets/tweetsource.js
--- a/integ/js/vs/tweets/tweetsource.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,268 +0,0 @@
-/* Author: Raphaël Velt, IRI
- * 
- * Licence: CeCILL-B - http://www.cecill.info/licences/Licence_CeCILL-B_V1-fr.html
- * 
- * */
-
-function regexpFromText(_text) {
-    return new RegExp('(' + _text.replace(/(\W)/gim,'\\$1') + ')','gim');
-}
-
-Btv_TweetArray = function() {
-    this.tweets = [];
-    this.idIndex = [];
-}
-
-Btv_TweetArray.prototype.push = function(_tweet) {
-    this.tweets.push(_tweet);
-    this.idIndex.push(_tweet.id_str);
-}
-
-Btv_TweetArray.prototype.setOnAdd = function(_callback) {
-    this.onAdd = _callback;
-}
-
-Btv_TweetArray.prototype.addTweet = function(_tweet) {
-    if (this.idIndex.indexOf(_tweet.id_str) != -1) {
-        return;
-    }
-    if (!_tweet.date_value) {
-        _tweet.date_value = Date.parse(_tweet.created_at.replace(/(\+|-)/,'UTC$1'));
-    }
-    var _pos = this.tweets.length;
-    while (_pos && this.idIndex[_pos - 1] > _tweet.id_str) {
-        _pos--;
-    }
-    this.tweets.splice(_pos,0,_tweet);
-    this.idIndex.splice(_pos,0,_tweet.id_str);
-    if (typeof this.onAdd == "function") {
-        this.onAdd(_tweet);
-    }
-}
-
-Btv_TweetArray.prototype.addMultipleTweets = function(_multiTweets) {
-    var _l = _multiTweets.length;
-    for (var _i = 0; _i < _l; _i++) {
-        this.addTweet(_multiTweets[_i], true);
-    }
-}
-
-Btv_TweetArray.prototype.count = function() {
-    return this.tweets.length;
-}
-
-Btv_TweetArray.prototype.tweetAtPos = function(_i) {
-    return this.tweets[_i];
-}
-
-Btv_TweetArray.prototype.slice = function(_start, _end) {
-    var _slice = this.tweets.slice(_start, _end),
-        _result = new Btv_TweetArray(),
-        _l = _slice.length;
-    for (var _i = 0; _i < _l; _i++) {
-        _result.push(_slice[_i]);
-    }
-    return _result;
-}
-
-Btv_TweetArray.prototype.reverse = function() {
-    var _result = new Btv_TweetArray(),
-        _l = this.tweets.length;
-    for (var _i = _l-1; _i >= 0; _i--) {
-        _result.push(this.tweets[_i]);
-    }
-    return _result;
-}
-
-Btv_TweetArray.prototype.each = function(_callback) {
-    var _l = this.count();
-    for (var _i = 0; _i < _l; _i++) {
-        _callback(this.tweets[_i]);
-    }
-}
-
-Btv_TweetArray.prototype.map = function(_callback) {
-    var _result = [];
-    this.each(function(_tweet) {
-        _result.push(_callback(_tweet))
-    });
-    return _result;
-}
-
-Btv_TweetArray.prototype.search = function(_filter) {
-    var _filtered = new Btv_TweetArray(),
-        _reFilter = regexpFromText(_filter);
-    this.each(function(_tweet) {
-        var _mention = '@' + _tweet.from_user;
-        if (( _tweet.text.search(_reFilter) != -1 ) || ( _mention.search(_reFilter) != -1 )) {
-            _filtered.push(_tweet);
-        }
-    });
-    return _filtered;
-}
-
-Btv_TweetArray.prototype.beforeDate = function(_date) {
-    var _filtered = new Btv_TweetArray();
-    this.each(function(_tweet) {
-        if (_tweet.date_value <= _date) {
-            _filtered.push(_tweet);
-        }
-    });
-    return _filtered;
-}
-
-Btv_TweetArray.prototype.afterDate = function(_date) {
-    var _filtered = new Btv_TweetArray();
-    this.each(function(_tweet) {
-        if (_tweet.date_value > _date) {
-            _filtered.push(_tweet);
-        }
-    });
-    return _filtered;
-}
-
-Btv_TweetArray.prototype.tweetById = function(_tweetId) {
-    var _index = this.idIndex.indexOf(_tweetId);
-    return (_index ? this.tweets[_index] : null);
-}
-
-Btv_TweetArray.prototype.lastTweet = function() {
-    return this.tweets[this.tweets.length - 1];
-}
-
-/*
- * 
- */
-
-Btv_TweetSource = function(_opts) {
-    Btv_TweetArray.call(this);
-    this.loading = false;
-    if (!_opts || !_opts.keywords || !_opts.keywords.length) {
-        return;
-    }
-    this.options = _opts;
-    var _this = this;
-    this.retrieveInitialTweets();
-    setInterval(function() {
-        _this.retrieveNewTweets();
-    }, 5000);
-}
-
-Btv_TweetSource.prototype = new Btv_TweetArray();
-
-Btv_TweetSource.prototype.retrieveTweets = function(_opts) {
-    
-    function getTwitterUrl(url) {
-        $.getJSON(url, function(data) {
-            _currentPage++;
-            var _isLast = true;
-            if (data.results && data.results.length) {
-                _this.addMultipleTweets(data.results);
-                var _oldestTweetId = data.results[data.results.length - 1].id_str,
-                    _maxId = _oldestTweetId;
-                if (_currentPage < _opts.pages) {
-                    _isLast = false;
-                    getTwitterUrl(_baseurl + _firstparams + '&max_id=' + _maxId + _lastparams);
-                }
-            }
-            
-            if (_isLast) {
-                _this.loading = false;
-                if (typeof _this.onNewTweets == "function") {
-                    _this.onNewTweets();
-                }
-            }
-        });
-    }
-    
-    
-    if (this.loading) {
-        return;
-    }
-    this.loading = true;
-    var _baseurl = "http://search.twitter.com/search.json",
-        _currentPage = 0,
-        _firstparams = "?q="
-            + encodeURIComponent(this.options.keywords.join(' OR '))
-            + "&rpp=100"
-            + (this.options.lang ? "&lang=" + this.options.lang : '' ),
-        _lastparams = ( _opts.since_id ? "&since_id=" + _opts.since_id : '' )
-            + "&callback=?",
-        _jsonurl = _baseurl + _firstparams + _lastparams,
-        _this = this;
-    getTwitterUrl(_jsonurl);
-    
-}
-
-Btv_TweetSource.prototype.retrieveInitialTweets = function() {
-    this.retrieveTweets({
-        "pages": 1
-    });
-}
-
-Btv_TweetSource.prototype.retrieveNewTweets = function() {
-    var _last = this.lastTweet();
-    this.retrieveTweets({
-        "pages": 1,
-        "since_id": _last ? _last.id_str : 0
-    });
-}
-
-Btv_TweetSource.prototype.setOnNewTweets = function(_callback) {
-    this.onNewTweets = _callback;
-}
-
-Btv_TweetQueueManager = function(_tweetArray, _callback) {
-    this.tweetArray = _tweetArray;
-    this.majorInterval = 10000; // Time slices for calculating the minor Interval setting
-    this.minimumInterval = 1000; // Safe limit to avoid tweets going to the wrong column
-    this.initialBuffer = 300000; // don't start with empty columns, but show the tweets of the last five minutes - 5 * 60 * 1000 = 300000
-    this.waitIfNoTweets = 2000;
-    this.callback = _callback;
-    this.lastEndTime = new Date().valueOf() - this.initialBuffer;
-    this.isPaused = false;
-    this.onMajorInterval();
-}
-
-Btv_TweetQueueManager.prototype.onMinorInterval = function() {
-    if (this.isPaused) {
-        this.waitMinorInterval();
-    } else {
-        var _l = this.currentSlice.count();
-        if (this.position < _l) {
-            this.callback(this.currentSlice.tweetAtPos(this.position));
-            this.position++;
-            this.waitMinorInterval();
-        } else {
-            this.onMajorInterval();
-        }
-    }
-}
-
-Btv_TweetQueueManager.prototype.waitMinorInterval = function() {
-    var _this = this;
-    window.setTimeout(function() {
-        _this.onMinorInterval();
-    }, this.minorInterval);
-}
-
-Btv_TweetQueueManager.prototype.onMajorInterval = function() {
-    this.position = 0;
-    this.currentSlice = this.tweetArray.afterDate(this.lastEndTime);
-    var _l = this.currentSlice.count();
-    if (_l) {
-        this.lastEndTime = this.currentSlice.tweetAtPos(_l - 1).date_value;
-        this.minorInterval = Math.floor(Math.max(this.minimumInterval, this.majorInterval / _l));
-        this.onMinorInterval();
-    } else {
-        var _this = this;
-        window.setTimeout(function() {
-            _this.onMajorInterval();
-        }, this.waitIfNoTweets);
-    }
-}
-
-Btv_TweetQueueManager.prototype.playPause = function() {
-    this.isPaused = !this.isPaused;
-    return this.isPaused;
-}
diff -r 2937fe1ba865 -r b13a409f01dc integ/js/vs/tweets/tweetvote-anim.js
--- a/integ/js/vs/tweets/tweetvote-anim.js	Mon May 06 14:57:50 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,320 +0,0 @@
-var canvas;
-var tooltipOpen=true;
-var Width  = 960;
-var Height = 400;
-var delta = [0, 0];
-var stage = [195, 250, 1150, 835]   //     bottom
-var b2bod = [];
-
-var worldAABB, world, iterations = 1, timeStep = 1 / 20;
-
-var walls = [];
-var wall_thickness = 20;
-var wallsSetted = false;
-
-var bodies, elements, text;
-
-var createMode = false;
-var destroyMode = false;
-
-var emptyBottom = true;
-
-var isFreezing = false;
-var refLoop, refFileAttente;
-
-var isMouseDown = false;
-var isMouseDragging = false;
-var isMouseDragging2 = true;
-var mouseJoint;
-var mouse = { x: 0, y: 0 };
-var gravity = { x: 0, y: 0.3 };
-
-var PI2 = Math.PI * 2;
-
-var timeOfLastTouch = 0;
-var tweetSilos = [];
-
-init();
-play();
-
-function init() {
-
-	worldAABB = new b2AABB();
-	worldAABB.minVertex.Set( -200, -200 );
-	worldAABB.maxVertex.Set( window.innerWidth + 200, window.innerHeight + 200 );
-
-	world = new b2World( worldAABB, new b2Vec2( 0, 0 ), true );
-
-	setWalls();
-	reset();
-}
-
-
-function play() {
-
-  if(!isFreezing)
-    refLoop = setInterval( loop, 1000 / 40 );
- else
-    clearInterval(refLoop);
-    
-  isFreezing = !isFreezing;
-}
-
-function reset() {
-
-	if(bodies) {
-		for (var i= 0; i < bodies.length; i++ ) {
-			var body = bodies[ i ]
-			canvas.removeChild( body.GetUserData().element );
-			world.DestroyBody( body );
-			body = null;
-		}
-	}
-	bodies = [];
-	elements = [];
-}
-
-function loop() {
-
-	delta[0] += (0 - delta[0]) * .5;
-	delta[1] += (0 - delta[1]) * .5;
-	world.m_gravity.x = gravity.x * 350 + delta[0];
-	world.m_gravity.y = gravity.y * 350 + delta[1];
-
-	world.Step(timeStep, iterations);
-
-	for (i = 0; i < bodies.length; i++) {
-		var body = bodies[i];
-		var element = elements[i];
-		element.style.left = (body.m_position0.x - (element.width >> 1)) + 'px';
-		element.style.top = (body.m_position0.y - (element.height >> 1)) + 'px';
-	}
-}
-
-function createBox(world, x, y, width, height, fixed) {
-
-  var c=document.createElement('canvas');
-  var ctx=c.getContext("2d");
-  ctx.fillStyle="#FF0000";
-  ctx.fillRect(0,0,1500,750);
-
-	if (typeof(fixed) == 'undefined') {
-		fixed = true;
-	}
-
-	var boxSd = new b2BoxDef();
-
-	if (!fixed) {
-		boxSd.density = 1.0;
-	}
-
-	boxSd.extents.Set(width, height);
-	var boxBd = new b2BodyDef();
-	boxBd.AddShape(boxSd);
-	boxBd.position.Set(x,y);
-
-	return world.CreateBody(boxBd);
-}
-
-
-
-function getBodyAtMouse() {
-
-	// Make a small box.
-	var mousePVec = new b2Vec2();
-	mousePVec.Set(mouse.x, mouse.y);
-
-	var aabb = new b2AABB();
-	aabb.minVertex.Set(mouse.x - 1, mouse.y - 1);
-	aabb.maxVertex.Set(mouse.x + 1, mouse.y + 1);
-
-	// Query the world for overlapping shapes.
-	var k_maxCount = 10;
-	var shapes = new Array();
-	var count = world.Query(aabb, shapes, k_maxCount);
-	var body = null;
-
-	for (var i = 0; i < count; ++i) {
-		if (shapes[i].m_body.IsStatic() == false) {
-			if ( shapes[i].TestPoint(mousePVec) ) {
-				body = shapes[i].m_body;
-				break;
-			}
-		}
-	}
-	return body;
-}
-
-function setWalls() {
-
-	if (wallsSetted) {
-		world.DestroyBody(walls[0]);
-		world.DestroyBody(walls[1]);
-		world.DestroyBody(walls[2]);
-		world.DestroyBody(walls[3]);
-		walls[0] = null; 
-		walls[1] = null;
-		walls[2] = null;
-		walls[3] = null;
-	} else {
-    
-    walls[0] = createBox(world, 1880, 900, wall_thickness, 900); //  rightmost wall
-    walls[1] = createBox(world, 1510, 600, wall_thickness, 300); //  wall 4 / 3
-   
-    walls[2] = createBox(world, 1130, 600, wall_thickness, 300); //  wall 3 / 2
-    walls[3] = createBox(world, 760, 600, wall_thickness, 300); //   wall 2 / 1
-    walls[4] = createBox(world, 390, 600, wall_thickness, 300); //   leftmostwall   
-   
-    walls[5] = createBox(world, 580, 600, 170, 10); //  4    
-    walls[6] = createBox(world, 950, 750, 170, 10); //  3   
-    walls[7] = createBox(world, 1320, 750, 170, 10); //  2   
-    walls[8] = createBox(world, 1690, 600, 170, 10); //  1   
-    
-    setInterval(function() {
-    
-      // Check if div podiums are already loaded
-      if($('#podium div').size() > 0) {
-        
-        $('#podium div').each( function(idx, panel) {
-       
-          var idxWall = 5+idx;
-          var yWall = 920-$(this).height();
-          world.DestroyBody(walls[idxWall]);
-          walls[idxWall] = createBox(world, 580+370*idx, yWall, 170, 10);      
-        
-        });
-      }
-    }, 1000);
-  }
-}
-
-function  createBallTweetForce(t) {
-
-	var element = document.createElement( 'div' );
-	element.width = 96;
-	element.height = 96;	
-	element.style.position = 'absolute';
-	element.style.left = -200 + 'px';
-	element.style.top = -200 + 'px';
-	element.style.cursor = "default";
-  element.style.hover = "red";
-	element.id = t.id_str;
-  
-  var id = "tweet_"+bodies.length;
-  var canvas = document.getElementById('canvas');
-	canvas.appendChild(element);
-	elements.push( element );
-
-  BALL_SIZE = 150;
-  
-  var circle = document.createElement('canvas');
-  circle.width = 96;
-  circle.height = 96;
-
-  var offset = (48 - BALL_SIZE)/2;
-  
-  var graphics = circle.getContext('2d');
-  graphics.fillStyle = "white";
-  graphics.beginPath();
-  graphics.arc(BALL_SIZE* .25+10, BALL_SIZE* .25, BALL_SIZE* .25, 0, PI2, true); 
-  graphics.closePath();
-  graphics.fill();
-    
-  graphics.fillStyle = "#E2F0D6";
-  graphics.beginPath();
-  graphics.arc(BALL_SIZE * .5 +offset+24, BALL_SIZE * .5+offset+14, BALL_SIZE * .20, 0, PI2, true);
-  graphics.closePath();
-  graphics.fill();
-  
-  var img = new Image();
-  img.src = t.profile_image_url;
-
-  img.onload = function(){
-
-    // Resize image
-    var canvasCopy = document.createElement("canvas");
-    var copyContext = canvasCopy.getContext("2d");
-    canvasCopy.width = 96;
-    canvasCopy.height = 96;
-    copyContext.drawImage(img, 0, 0, 96, 96);
-
-    var ptrn = graphics.createPattern(canvasCopy,'no-repeat');
-    graphics.fillStyle = ptrn;
-    graphics.fill(-5,0,150,150);
-  }
-  
-	element.appendChild(circle);
-
-	var circle = new b2CircleDef();
-	circle.radius = BALL_SIZE/4+2 ;
-	circle.density = 1;
-	circle.friction = 0.3;
-	circle.restitution = 0.3;
-
-  var a, b, xpos, ypos;
-
-  switch (t.cat) { 
-    case 0: // 1
-      a = 250;
-      b = -100;
-      xpos = 40;
-      ypos = 250;
-      break; 
-    case 1: // 2
-      a = 250;
-      b = -150;
-      xpos = 40;
-      ypos = 70;      
-      break; 
-    case 2: // 3
-      a = 290;
-      b = -180;
-      xpos = 40;
-      ypos = 100;    
-      break; 
-    case 3: // 4
-      a = 400;
-      b = -180;
-      xpos = 40;
-      ypos = 150;      
-      break;     
-    default:
-      a = 390;
-      b = -180;
-      xpos = 40;
-      ypos = 70;      
-      console.log("DEFAULT IMPULS PARAMS! Should not be there..");
-      break; 
-  }
-
-  var b2body = new b2BodyDef();  
-	b2body.AddShape(circle);
-	b2body.userData = {element: element};
-	b2body.position.Set( xpos, ypos);
-  
-  b2body.linearVelocity.Set(a, b);
-  b2bod[t.id_str] = world.CreateBody(b2body);
-  console.log("created " + t.id_str)
-	bodies.push(b2bod[t.id_str]);	
-
-	$("#"+t.id_str).mouseover(function() {
-	    var _of = $(this).offset();
-	    $(this).css({
-	        "cursor": "pointer"
-	    });
-	    showTooltip(t, _of.left, _of.top);  
-	}).mouseout(hideTooltip).click(function() {
-        addTweetToSelection($("#btv-tooltip"));
-	    $(this).fadeTo(100,.25, function() {
-	        $(this).fadeTo(100,1);
-	        showControlPanel();
-	    })
-	});
-   
-/*  $("#"+t.id_str).click(function() {
-		if(!isMouseDragging) {
-            fancyBoxTwitter(t.from_user, (t.candidats && t.candidats.length ? candidats[t.candidats[0]].couleur : '#666699'));
-//      window.open("https://twitter.com/#!/"+t.from_user+"/status/"+t.id_str);
-    }
-  });   */
-}
\ No newline at end of file