对碰撞检测和视锥的可视性检查非常有用的C程序。非常有效和快速。-"C" implementation of an extremely fast and robust polygon-cube intersection test by Don Hatch and myself as published in Graphics Gems V. Very useful for collision detection and view frustum visibility checking.

OpenGL实现多边形的平移,旋转,对称,错切等二维仿射变换 翻译-Translation, OpenGL polygon rotary shear, symmetric, affine transformation

这是一个计算任意多边形的面积和周长的matlab小程序，简单高效！(Calculate the area and circumference of any polygon!)