开发工具vs2008 用opengl画的一个金字塔正四面体，左右旋转，上下放大缩小，f开关灯，t改变纹理，鼠标改变视距-Development tools vs2008 opengl draw a pyramid regular tetrahedron, the left and right rotation, zooming up and down, the the f light switch, t change the texture, the mouse to change the li