This paper introduces a method for calculating the contact point, contact normal and penetration depth in collision detection of irregular objects expressed by triangle mesh.
介绍了一种针对用三角形网面表示的不规则物体的碰撞检测中接触点，接触法线和刺穿深度的计算方法。
The method of triangle mesh translated to quadrangle mesh is that delete common side of two adjacent triangle mesh.
三角形网格转化为四边形网格的方法是将两个相邻的三角形网格的公共边删除，使之转化为一个四边形单元。
Dispersion modeling method based on triangle mesh is used to modeling the work-piece and the cutting tools.
以三角面片离散法为基础对刀具和毛坯进行了建模。
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