OpenGL ES关于长方块沿不过原点的任意轴旋转的实现Square，精选ios编程学习源码，很好的参考资料。-OpenGL ES on the rectangular blocks along any axis of rotation but the origin of Square, selection of learning IOS programming source code, a good reference.

OpenGL ES Demo三维贴图，精选ios编程学习源码，很好的参考资料。-OpenGL ES Demo 3D map, select learning IOS programming source code, a good reference.