该程序采用DirectX实现了三维地形模拟的基本内容。该程序将三维地形的模拟封装在一个CTerrain类中，感兴趣的人可以在此基础上完善，开发处更完善的三维地形类。-DirectX using the program to achieve the three-dimensional simulation of the basic contents of the terrain. The program will be three-dimensional topography simulation