RenderingCompetitionRayTracer: src/rcrt/textures/PerlinNoise.cpp Source File

00001 // JAVA REFERENCE IMPLEMENTATION OF IMPROVED NOISE - COPYRIGHT 2002 KEN PERLIN.
00002 // http://mrl.nyu.edu/~perlin/noise/
00003 // translated to C++ for 6.837
00004 
00005 #include "PerlinNoise.h"
00006 
00007 // permutation
00008 int PerlinNoise::p[512] = 
00009     { 151,160,137, 91, 90, 15,131, 13,201, 95, 96, 53,194,233,  7,225,
00010       140, 36,103, 30, 69,142,  8, 99, 37,240, 21, 10, 23,190,  6,148,
00011       247,120,234, 75,  0, 26,197, 62 ,94,252,219,203,117, 35, 11, 32,
00012        57,177, 33, 88,237,149, 56, 87,174, 20,125,136,171,168, 68,175,
00013        74,165, 71,134,139, 48, 27,166, 77,146,158,231, 83,111,229,122,
00014        60,211,133,230,220,105, 92, 41, 55, 46,245, 40,244,102,143, 54,
00015        65, 25, 63,161,  1,216, 80, 73,209, 76,132,187,208, 89, 18,169,
00016       200,196,135,130,116,188,159, 86,164,100,109,198,173,186,  3, 64,
00017        52,217,226,250,124,123,  5,202, 38,147,118,126,255, 82, 85,212,
00018       207,206, 59,227, 47, 16, 58, 17,182,189, 28, 42,223,183,170,213,
00019       119,248,152,  2, 44,154,163, 70,221,153,101,155,167, 43,172,  9,
00020       129, 22, 39,253, 19, 98,108,110, 79,113,224,232,178,185,112,104,
00021       218,246, 97,228,251, 34,242,193,238,210,144, 12,191,179,162,241,
00022        81, 51,145,235,249, 14,239,107, 49,192,214, 31,181,199,106,157,
00023       184, 84,204,176,115,121, 50, 45,127,  4,150,254,138,236,205, 93,
00024       222,114, 67, 29, 24, 72,243,141,128,195, 78, 66,215, 61,156,180,
00025       
00026       // repeat
00027       151,160,137, 91, 90, 15,131, 13,201, 95, 96, 53,194,233,  7,225,
00028       140, 36,103, 30, 69,142,  8, 99, 37,240, 21, 10, 23,190,  6,148,
00029       247,120,234, 75,  0, 26,197, 62 ,94,252,219,203,117, 35, 11, 32,
00030        57,177, 33, 88,237,149, 56, 87,174, 20,125,136,171,168, 68,175,
00031        74,165, 71,134,139, 48, 27,166, 77,146,158,231, 83,111,229,122,
00032        60,211,133,230,220,105, 92, 41, 55, 46,245, 40,244,102,143, 54,
00033        65, 25, 63,161,  1,216, 80, 73,209, 76,132,187,208, 89, 18,169,
00034       200,196,135,130,116,188,159, 86,164,100,109,198,173,186,  3, 64,
00035        52,217,226,250,124,123,  5,202, 38,147,118,126,255, 82, 85,212,
00036       207,206, 59,227, 47, 16, 58, 17,182,189, 28, 42,223,183,170,213,
00037       119,248,152,  2, 44,154,163, 70,221,153,101,155,167, 43,172,  9,
00038       129, 22, 39,253, 19, 98,108,110, 79,113,224,232,178,185,112,104,
00039       218,246, 97,228,251, 34,242,193,238,210,144, 12,191,179,162,241,
00040        81, 51,145,235,249, 14,239,107, 49,192,214, 31,181,199,106,157,
00041       184, 84,204,176,115,121, 50, 45,127,  4,150,254,138,236,205, 93,
00042       222,114, 67, 29, 24, 72,243,141,128,195, 78, 66,215, 61,156,180};