Opengl纹理，纹理的映射，粘贴等等啊。地形等-Opengl texture, texture mapping, paste, etc. ah. Terrain, etc.

一个openGL程序，生成一个三维地形，有纹理贴图，且能随着鼠标的移动问旋转。-A openGL program, to generate a 3D terrain, a texture mapping, and along with the movement of the mouse asked rotation.