/*
 * "planet" input file to demonstrate fbm texture and use of cpp
 * C. Kolb
 */
#define EXPAND(x)	scale x x x

#define LACUNARITY	2.
#define OCTAVES		6

screen 256 256
light 1.0 0.9 0.8 directional 1. -1. 1.
eyep 0. -4. 0.
sphere  ambient .06 .05 .04
	diffuse .9 .85 .8
	1.0 0 0 0
	texture fbm 	0.		/* offset */
			1.		/* scale */
			0.3		/* h */
			LACUNARITY	/* lambda */
			OCTAVES		/* octaves */
			-.2		/* thresh */
			planet.map 	/* mapname */
		EXPAND(0.7)