Bullet Physics
Physics Simulation for Games, Visual Effects, Robotics and Reinforcement Learning
公式サイト：
Bullet Real-Time Physics Simulation [Official]
パラメータ
参考：
New 6DOF Spring2 constraint spring limiting issue. Bug? – Real-Time Physics Simulation Forum
What kind of damping Bullet uses? – Real-Time Physics Simulation Forum
damping, friction and restitution – Real-Time Physics Simulation Forum
How do I remove air resistance? – Stack Overflow
Iterations
参考：
Setting number of solver iterations · Issue #285 · bulletphysics/bullet3 – GitHub
Number of iterations – Real-Time Physics Simulation Forum
Accuracy of Bullet: number of iteration vs time step? – Real-Time Physics Simulation Forum
btContactSolverInfo
参考：
btContactSolverInfo | Bullet Physics [Official]
btContactSolverInfoData | Bullet Physics [Official]
ドキュメント
Bullet Documentation [Official]