一个简单的桌球瞄准器，因为是捕捉图像所以基本桌球都通用-A simple table tennis sight, because it captures the basic table tennis are all common image so

一款用opengl写的桌球游戏，很有趣的，可以实现桌球的移动，还有场景的绘制-Written in a billiard game with opengl, very interesting, can achieve the movement of table tennis, as well as rendering the scene