OpenGL编程实现的雪地模型，有山、水、房子、飞机等模型，场景移动响应鼠标、键盘操作，可以开启雾化效果，实现天空盒，有碰撞检测-OpenGL programming realize snow model, a mountain, water, the house, the airplane model, scene mobile response mouse, keyboard, can open atomization effect, achieve the sky box, there a