说明：  用Directx9实现由高度图生成3D地形 开发环境VC6.0+directx9 2008/6/12 by huangzanzhen 操作： WASD旋转场景，箭头控制视角，M改变渲染模式，F1全屏切换，ESC退出 程序有详细注释，程序框架设计合理，方便添加后续功能，学习direct编程的朋友可以下载下来研究
(With directx9 map from a high degree of development environment to generate 3D terrain VC6.0+ Directx9 2008/6/12 by huangzanzhen operation: WASD rotating scenes, the arrow control perspective, M to change the rendering mode, F1 to switch full screen, ESC to withdraw from the process detailed notes, procedural framework designed to facilitate follow-up feature to add, learning programming direct friends can download study)