PQP is a library for performing three types of proximity queries on a pair of geometric models composed of triangles: collision detection - detecting whether the two models overlap, and optionally, all of the triangles that overlap. distance co

使用vrml中的节点touchsensor， planesensor和proximitysensor，做成图像实现不同功能-Vrml nodes use touchsensor, planesensor and proximitysensor, make images to achieve different functions