DirectInput的基本实现 只是基本应用-The basic realization of DirectInput

directinput的调用增加与用户交互的功能我们需要完成的源代码，可以控制地球的自转速度，和方向，和停止-directinput call to increase the functionality and user interaction we need to complete the source code, you can control the Earth' s rotation speed, and direction, and stop