obb碰撞检测类,可以在虚拟环境中进行碰撞检测-obb Collision Detection category, in a virtual environment for Collision Detection

高效的三角形和三角形的相交性检测，判断他们是否共面，碰撞区间的使用。-Efficient triangle and triangle intersection detection, to determine whether they are coplanar, the collision zone use.