演示dx游戏编程基础的大杂烩，包含各种小技巧的实例代码，比较杂-Dx demo game programming based hodgepodge, containing a variety of small examples of code techniques, more complex. . .

这是一个训练小游戏的代码,我在网上看到的,想和大家分享一下-This is a training game of the code, and I have seen the Internet, want to share with you