基于OPENGL的简单程序，实现小球和墙的碰撞。功能：增加、减小小球半径，小球自由下落，控制小球上下左右运动，并加速。-OPENGL based on a simple procedure to achieve a small ball and wall collisions. Function: to increase, reducing the radius of the small ball, small ball free-fall, controlling the ball up an

通过修改参数，可以生成各类情况下卫星与陨石的坠落轨迹-By modifying the parameters, we can generate all kinds of cases of the satellite and the impact of the fall trajectory