The library is in Js: http://code.google.com/p/box2dweb/ http://code.google.com/p/box2dweb/ Which is a port of a famous physics engine in C: http://box2d.org/

The library is in Js: http://code.google.com/p/box2dweb/ http://code.google.com/p/box2dweb/ Which is a port of a famous physics engine in C: http://box2d.org/ http://box2d.org/ And there are 3d physics engines for Js as well: http://glge.org/demos/cardemo/ http://glge.org/demos/cardemo/ and http://www.glge.org/ http://www.glge.org/