滚动的小球，可以控制暂停，滚动等 自己手工写的一个类，可以随即生成不同颜色的小球，碰撞之后往反方向滚动 开发IDE为VS2005-rolling balls, the suspension can be controlled, such as rolling their manual written by a class, can then generate different colors of small ball, the collision after rolling the o

c++程序，在窗口中显示一个小球，该球以45度角自由运动，反弹后仍45度运动-c program, in the window to display a small ball, the ball to the free movement of the 45-degree angle, after the rebound is still 45 degrees of movement

这是一款双色球号码选号器，喜欢买彩票的朋友可以看下-This is a random selection of a color ball number, like a friend to buy lottery can look

无解压密码,此程序是介绍了关于小球反弹高度的一个计算问题,不错(Unzip password, this program is introduced about the ball rebound height calculation problem of a good)