Box2D & JavaScript tutorials by Seth LaddGoogle developer advocate Seth Ladd has quietly but consistently been producing an excellent series of articles on his blog about a JavaScript port of Box2D, the physics engine used in Angry Birds. Box2D is written and maintained by its original author, Erin Catto. Erin, who works for Blizzard Entertainment, built the library for a physics tutorial at GDC back in March 2006. Erin Catto is a bit of
