direct9 terrain rendering 1. generate the terrain height information, which enab...

代码说明：

direct9 地形渲染 1.生成地形的高度信息，它能使山丘、河流等地带的平滑的过度，模拟自然界的地形 2.控制地形上照相机位置的方法，以便模拟在地形上走动 3.使用地形的纹理和光照-direct9 terrain rendering 1. generate the terrain height information, which enables the hills, rivers and other areas over the smooth, analog nature of the terrain 2. controlled topographical location of the camera method to simulate the terrain walking three. the use of the terrain texture and light