Phys2D is a 2D physics engine written in Java (1.4). Currently it is essentially a port and rework of the [url=
http://www.gphysics.com/]GDC 2006 presentation from Erin Catto[/url].
Current Features:
* Boxes
* Circles
* Static Lines
* Restituion and Friction
* Fixed, Elastic and Loose Joints
* Angluar Velocity/Momentum
* Simple API
* Quad Tree Collision
It's (rather limited) home page is here:
http://www.cokeandcode.com/phys2d/
The source is stored on Google Code here:
http://code.google.com/p/phys2d/