在arm9实现的图形学3D实验算法，代码稍加修改即可应用于其他处理器-Arm9 3D graphics in the experimental realization of the algorithm, the code slightly modified to apply to other processors

计算机图形学实验，多边形、直线的的绘制。希望能有所帮助！可直接使用。 -Experiment straight line, polygon, computer graphics rendering. I hope to be helpful! Can be used directly.