(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);