这个个人图形学的画动态4维旋转的程序，它使用了openGL的两个矩阵堆栈，可以帮助大家掌握openGL的矩阵栈，及几何变换实现等-The individual paintings Graphics 4-dimensional spin dynamics of the process, it uses two matrix stack openGL, openGL can help you to master the matrix stack, and the realization of geo