--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/front_processing/src/Smoke_manipulation/Smoke_manipulation.pde	Thu Mar 22 16:00:17 2012 +0100
@@ -0,0 +1,135 @@
+/*
+* This file is part of the TraKERS\Front Processing package.
+*
+* (c) IRI <http://www.iri.centrepompidou.fr/>
+*
+* For the full copyright and license information, please view the LICENSE_FRONT
+* file that was distributed with this source code.
+*/
+
+// smoke2 by Glen Murphy.
+// View the applet in use at http://bodytag.org/
+// Code has not been optimised, and will run fairly slowly.
+
+import TUIO.*;
+TuioProcessing tuioClient;
+
+int realWidth = 640, realHeight = 480-200;
+int WIDTH = 300;
+int HEIGHT = 300;
+
+//Port du Client TUIO.
+int port = 80;
+//Limites de la zone de recherche pour les mains.
+float minDistHands = 1;
+float maxDistHands = 1.5;
+
+int RES = 2;
+int PENSIZE = 30;
+
+int lwidth = WIDTH/RES;
+int lheight = HEIGHT/RES;
+int PNUM = 30000;
+vsquare[][] v = new vsquare[lwidth+1][lheight+1];
+vbuffer[][] vbuf = new vbuffer[lwidth+1][lheight+1];
+
+TuioPoint pt1, pt2, precPt1, precPt2;
+
+particle[] p = new particle[PNUM];
+int pcount = 0;
+int mouse1Xvel = 0;
+int mouse1Yvel = 0;
+int mouse2Xvel = 0;
+int mouse2Yvel = 0;
+
+int randomGust = 0;
+int randomGustMax;
+float randomGustX;
+float randomGustY;
+float randomGustSize;
+float randomGustXvel;
+float randomGustYvel;
+
+void setup() {
+  size(WIDTH,HEIGHT);
+  tuioClient = new TuioProcessing(this, port);
+  background(#cccccc);
+  noStroke();
+  for(int i = 0; i < PNUM; i++) {
+    p[i] = new particle(random(WIDTH/2-20,WIDTH/2+20),random(HEIGHT-20,HEIGHT));
+  }
+  for(int i = 0; i <= lwidth; i++) {
+    for(int u = 0; u <= lheight; u++) {
+      v[i][u] = new vsquare(i*RES,u*RES);
+      vbuf[i][u] = new vbuffer(i*RES,u*RES);
+    }
+  }
+}
+
+void draw() {
+  tuioInput();
+  
+  int a1xvel = 0, a1yvel = 0, a2xvel = 0, a2yvel = 0;
+  if(precPt1 != null && pt1 != null)
+  {
+    float X1Rev = map(pt1.getX(), realWidth, realHeight, WIDTH, HEIGHT);
+    float Y1Rev = map(pt1.getY(), realWidth, realHeight, WIDTH, HEIGHT);
+    float X1PrecRev = map(precPt1.getX(), realWidth, realHeight, WIDTH, HEIGHT);
+    float Y1PrecRev = map(precPt1.getY(), realWidth, realHeight, WIDTH, HEIGHT);
+    a1xvel = (int)X1Rev-(int)X1PrecRev;
+    a1yvel = (int)Y1Rev-(int)Y1PrecRev;
+    mouse1Xvel = (a1xvel != mouse1Xvel) ? a1xvel : 0;
+    mouse1Yvel = (a1yvel != mouse1Yvel) ? a1yvel : 0;
+  }
+  if(precPt2 != null && pt2 != null)
+  {
+    float X2Rev = map(pt2.getX(), realWidth, realHeight, WIDTH, HEIGHT);
+    float Y2Rev = map(pt2.getY(), realWidth, realHeight, WIDTH, HEIGHT);
+    float X2PrecRev = map(precPt2.getX(), realWidth, realHeight, WIDTH, HEIGHT);
+    float Y2PrecRev = map(precPt2.getY(), realWidth, realHeight, WIDTH, HEIGHT);
+    a2xvel = (int)X2Rev-(int)X2PrecRev;
+    a2yvel = (int)Y2Rev-(int)Y2PrecRev;
+    mouse2Xvel = (a2xvel != mouse2Xvel) ? a2xvel : 0;
+    mouse2Yvel = (a2yvel != mouse2Yvel) ? a2yvel : 0;
+  }
+  
+  if(randomGust <= 0) {
+    if(random(0,10)<1) {
+      randomGustMax = (int)random(5,12);
+      randomGust = randomGustMax;
+      randomGustX = random(0,WIDTH);
+      randomGustY = random(0,HEIGHT-10);
+      randomGustSize = random(0,50);
+      if(randomGustX > WIDTH/2) randomGustXvel = random(-8,0);
+      else randomGustXvel = random(0,8);
+      randomGustYvel = random(-2,1);
+    }
+    randomGust--;
+  }
+  
+  for(int i = 0; i < lwidth; i++) {
+    for(int u = 0; u < lheight; u++) {
+      vbuf[i][u].updatebuf(i,u);
+      v[i][u].col = 0;
+    }
+  }
+  for(int i = 0; i < PNUM-1; i++) {
+    p[i].updatepos();
+  }
+  for(int i = 0; i < lwidth; i++) {
+    for(int u = 0; u < lheight; u++) {
+      v[i][u].addbuffer(i, u);
+      v[i][u].updatevels(mouse1Xvel, mouse1Yvel, pt1);
+      if(pt2 != null)
+        v[i][u].updatevels(mouse2Xvel, mouse2Yvel, pt2);
+      v[i][u].display(i, u);
+    }
+  }
+  randomGust = 0;
+}
+
+void update(TuioPoint _pt1, TuioPoint _pt2)
+{
+  pt1 = _pt1;
+  pt2 = _pt2;
+}