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/* Copyright (c) 1988 Regents of the University of California */ |
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#ifndef lint |
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< |
static char SCCSid[] = "$SunId$ LBL"; |
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static const char RCSid[] = "$Id$"; |
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#endif |
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/* |
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* noise3.c - noise functions for random textures. |
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* |
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* Credit for the smooth algorithm goes to Ken Perlin. |
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* (ref. SIGGRAPH Vol 19, No 3, pp 287-96) |
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* |
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* 4/15/86 |
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* 5/19/88 Added fractal noise function |
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*/ |
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#include "copyright.h" |
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#include <math.h> |
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#define A 0 |
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r0*hpoly3(t) + \ |
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r1*hpoly4(t) ) |
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static char noise_name[4][8] = {"noise3a", "noise3b", "noise3c", "noise3"}; |
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static char noise_name[4][8] = {"noise3x", "noise3y", "noise3z", "noise3"}; |
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static char fnoise_name[] = "fnoise3"; |
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static char hermite_name[] = "hermite"; |
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