Wondering why am I writing on nonhuman primates? Na...its not about that now.. :)
APE - ActionScript Physics Engine
is a free AS3 open source 2D physics engine, released under the MIT License. APE is written and maintained by Alec Cove.
features
CircleParticles
-fixed or non-fixed
-variable mass, elasticity, and surface friction
RectangleParticles
-rotatable
-fixed or non-fixed
-variable mass, elasticity, and surface friction
WheelParticles
-traction and angular velocity
-fixed or non-fixed
-variable mass, elasticity, and surface friction
SpringConstraints
-stiffness
-collidable or non-collidible
-collidable constraints have variable width and scale
Grouping
-Composite class may contain Particles, and Constraints
-Group class may contain Particles, Constraints, and Composites
Collision
-multisampling
-static collision tests
Licensing
-non restrictive MIT License
