[ 源代码： chipmunk ]
软件包：libchipmunk7（7.0.3-6 以及其他的）
fast and lightweight 2D rigid body physics library in C
Chipmunk is a simple, lightweight, fast and portable 2D rigid body physics library written in C. It's licensed under the unrestrictive, OSI approved MIT license. Its aim is to give 2D developers access the same quality of physics you find in newer 3D games.