一个用openGL实现的3D游戏，从搭建框架开始到一个简单3D游戏的，从UI，场景，人物，碰撞，树木到一个完整的3D游戏。-A 3D game using openGL implementation, from the beginning to build the framework of a simple 3D game, from the UI, scenes, characters, collision, tree into a complete 3D games.