z += 2.f;

}

5、地形绘制 RenderScene()

6、纹理

7、云 renderTeximageMap () renderCloudMap ()

分形计算核心代码：（fractmod.c）

参 考

1. Miller, Gavin S. P., The Definition and Rendering of Terrain Maps.

SIGGRAPH 1986 Conference Proceedings (Computer Graphics, Volume 20, Number 4, August 1986).

2. Voss, Richard D., FRACTALS in NATURE: characterization,

measurement, and simulation. SIGGRAPH 1987 course notes #15.

3. Peitgen, Jurgens, and Saupe, Chaos and Fractals, New Frontiers of

Science. Springer-Verlag, 1992.

4. Fournier, A., Fussell, D., Carpenter, L., Computer Rendering of

Stochastic Models, Communications of the ACM, June 1982