try start with this: https://github.com/bulletphysics/bullet3 https://github.com/bulletphysics/bullet3 there are others. google it. to perfect physics you must

try start with this: https://github.com/bulletphysics/bullet3 https://github.com/bulletphysics/bullet3 there are others. google it. to perfect physics you must understand the real math of physics, but it probably won't fit in a game. game physics libraries are subsets of real physics.