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joex92/OpenSimplexNoise.js

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Last active November 11, 2020 04:46
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OpenSimplex Noise for openprocessing
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README.md
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OpenSimplexNoise.js
// original from https://gist.github.com/PARC6502/85c99c04c9b3c6ae52c3c27605b4df0a
"use strict";
var OpenSimplexNoise;
(function() {
var constants_1 = {
NORM_2D: 1.0 / 47.0,
NORM_3D: 1.0 / 103.0,
NORM_4D: 1.0 / 30.0,
SQUISH_2D: (Math.sqrt(2 + 1) - 1) / 2,
SQUISH_3D: (Math.sqrt(3 + 1) - 1) / 3,
SQUISH_4D: (Math.sqrt(4 + 1) - 1) / 4,
STRETCH_2D: (1 / Math.sqrt(2 + 1) - 1) / 2,
STRETCH_3D: (1 / Math.sqrt(3 + 1) - 1) / 3,
STRETCH_4D: (1 / Math.sqrt(4 + 1) - 1) / 4,
base2D: [
[1, 1, 0, 1, 0, 1, 0, 0, 0],
[1, 1, 0, 1, 0, 1, 2, 1, 1]
],
base3D: [
[0, 0, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1],
[2, 1, 1, 0, 2, 1, 0, 1, 2, 0, 1, 1, 3, 1, 1, 1],
[1, 1, 0, 0, 1, 0, 1, 0, 1, 0, 0, 1, 2, 1, 1, 0, 2, 1, 0, 1, 2, 0, 1, 1]
],
base4D: [
[0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1],
[3, 1, 1, 1, 0, 3, 1, 1, 0, 1, 3, 1, 0, 1, 1, 3, 0, 1, 1, 1, 4, 1, 1, 1, 1],
[1, 1, 0, 0, 0, 1, 0, 1, 0, 0, 1, 0, 0, 1, 0, 1, 0, 0, 0, 1, 2, 1, 1, 0, 0, 2, 1, 0, 1, 0, 2, 1, 0, 0, 1, 2, 0, 1, 1, 0, 2, 0, 1, 0, 1, 2, 0, 0, 1, 1],
[3, 1, 1, 1, 0, 3, 1, 1, 0, 1, 3, 1, 0, 1, 1, 3, 0, 1, 1, 1, 2, 1, 1, 0, 0, 2, 1, 0, 1, 0, 2, 1, 0, 0, 1, 2, 0, 1, 1, 0, 2, 0, 1, 0, 1, 2, 0, 0, 1, 1]
],
gradients2D: [5, 2, 2, 5, -5, 2, -2, 5, 5, -2, 2, -5, -5, -2, -2, -5],
gradients3D: [-11, 4, 4, -4, 11, 4, -4, 4, 11, 11, 4, 4, 4, 11, 4, 4, 4, 11, -11, -4, 4, -4, -11, 4, -4, -4, 11, 11, -4, 4, 4, -11, 4, 4, -4, 11, -11, 4, -4, -4, 11, -4, -4, 4, -11, 11, 4, -4, 4, 11, -4, 4, 4, -11, -11, -4, -4, -4, -11, -4, -4, -4, -11, 11, -4, -4, 4, -11, -4, 4, -4, -11],
gradients4D: [3, 1, 1, 1, 1, 3, 1, 1, 1, 1, 3, 1, 1, 1, 1, 3, -3, 1, 1, 1, -1, 3, 1, 1, -1, 1, 3, 1, -1, 1, 1, 3, 3, -1, 1, 1, 1, -3, 1, 1, 1, -1, 3, 1, 1, -1, 1, 3, -3, -1, 1, 1, -1, -3, 1, 1, -1, -1, 3, 1, -1, -1, 1, 3, 3, 1, -1, 1, 1, 3, -1, 1, 1, 1, -3, 1, 1, 1, -1, 3, -3, 1, -1, 1, -1, 3, -1, 1, -1, 1, -3, 1, -1, 1, -1, 3, 3, -1, -1, 1, 1, -3, -1, 1, 1, -1, -3, 1, 1, -1, -1, 3, -3, -1, -1, 1, -1, -3, -1, 1, -1, -1, -3, 1, -1, -1, -1, 3, 3, 1, 1, -1, 1, 3, 1, -1, 1, 1, 3, -1, 1, 1, 1, -3, -3, 1, 1, -1, -1, 3, 1, -1, -1, 1, 3, -1, -1, 1, 1, -3, 3, -1, 1, -1, 1, -3, 1, -1, 1, -1, 3, -1, 1, -1, 1, -3, -3, -1, 1, -1, -1, -3, 1, -1, -1, -1, 3, -1, -1, -1, 1, -3, 3, 1, -1, -1, 1, 3, -1, -1, 1, 1, -3, -1, 1, 1, -1, -3, -3, 1, -1, -1, -1, 3, -1, -1, -1, 1, -3, -1, -1, 1, -1, -3, 3, -1, -1, -1, 1, -3, -1, -1, 1, -1, -3, -1, 1, -1, -1, -3, -3, -1, -1, -1, -1, -3, -1, -1, -1, -1, -3, -1, -1, -1, -1, -3],
lookupPairs2D: [0, 1, 1, 0, 4, 1, 17, 0, 20, 2, 21, 2, 22, 5, 23, 5, 26, 4, 39, 3, 42, 4, 43, 3],
lookupPairs3D: [0, 2, 1, 1, 2, 2, 5, 1, 6, 0, 7, 0, 32, 2, 34, 2, 129, 1, 133, 1, 160, 5, 161, 5, 518, 0, 519, 0, 546, 4, 550, 4, 645, 3, 647, 3, 672, 5, 673, 5, 674, 4, 677, 3, 678, 4, 679, 3, 680, 13, 681, 13, 682, 12, 685, 14, 686, 12, 687, 14, 712, 20, 714, 18, 809, 21, 813, 23, 840, 20, 841, 21, 1198, 19, 1199, 22, 1226, 18, 1230, 19, 1325, 23, 1327, 22, 1352, 15, 1353, 17, 1354, 15, 1357, 17, 1358, 16, 1359, 16, 1360, 11, 1361, 10, 1362, 11, 1365, 10, 1366, 9, 1367, 9, 1392, 11, 1394, 11, 1489, 10, 1493, 10, 1520, 8, 1521, 8, 1878, 9, 1879, 9, 1906, 7, 1910, 7, 2005, 6, 2007, 6, 2032, 8, 2033, 8, 2034, 7, 2037, 6, 2038, 7, 2039, 6],
lookupPairs4D: [0, 3, 1, 2, 2, 3, 5, 2, 6, 1, 7, 1, 8, 3, 9, 2, 10, 3, 13, 2, 16, 3, 18, 3, 22, 1, 23, 1, 24, 3, 26, 3, 33, 2, 37, 2, 38, 1, 39, 1, 41, 2, 45, 2, 54, 1, 55, 1, 56, 0, 57, 0, 58, 0, 59, 0, 60, 0, 61, 0, 62, 0, 63, 0, 256, 3, 258, 3, 264, 3, 266, 3, 272, 3, 274, 3, 280, 3, 282, 3, 2049, 2, 2053, 2, 2057, 2, 2061, 2, 2081, 2, 2085, 2, 2089, 2, 2093, 2, 2304, 9, 2305, 9, 2312, 9, 2313, 9, 16390, 1, 16391, 1, 16406, 1, 16407, 1, 16422, 1, 16423, 1, 16438, 1, 16439, 1, 16642, 8, 16646, 8, 16658, 8, 16662, 8, 18437, 6, 18439, 6, 18469, 6, 18471, 6, 18688, 9, 18689, 9, 18690, 8, 18693, 6, 18694, 8, 18695, 6, 18696, 9, 18697, 9, 18706, 8, 18710, 8, 18725, 6, 18727, 6, 131128, 0, 131129, 0, 131130, 0, 131131, 0, 131132, 0, 131133, 0, 131134, 0, 131135, 0, 131352, 7, 131354, 7, 131384, 7, 131386, 7, 133161, 5, 133165, 5, 133177, 5, 133181, 5, 133376, 9, 133377, 9, 133384, 9, 133385, 9, 133400, 7, 133402, 7, 133417, 5, 133421, 5, 133432, 7, 133433, 5, 133434, 7, 133437, 5, 147510, 4, 147511, 4, 147518, 4, 147519, 4, 147714, 8, 147718, 8, 147730, 8, 147734, 8, 147736, 7, 147738, 7, 147766, 4, 147767, 4, 147768, 7, 147770, 7, 147774, 4, 147775, 4, 149509, 6, 149511, 6, 149541, 6, 149543, 6, 149545, 5, 149549, 5, 149558, 4, 149559, 4, 149561, 5, 149565, 5, 149566, 4, 149567, 4, 149760, 9, 149761, 9, 149762, 8, 149765, 6, 149766, 8, 149767, 6, 149768, 9, 149769, 9, 149778, 8, 149782, 8, 149784, 7, 149786, 7, 149797, 6, 149799, 6, 149801, 5, 149805, 5, 149814, 4, 149815, 4, 149816, 7, 149817, 5, 149818, 7, 149821, 5, 149822, 4, 149823, 4, 149824, 37, 149825, 37, 149826, 36, 149829, 34, 149830, 36, 149831, 34, 149832, 37, 149833, 37, 149842, 36, 149846, 36, 149848, 35, 149850, 35, 149861, 34, 149863, 34, 149865, 33, 149869, 33, 149878, 32, 149879, 32, 149880, 35, 149881, 33, 149882, 35, 149885, 33, 149886, 32, 149887, 32, 150080, 49, 150082, 48, 150088, 49, 150098, 48, 150104, 47, 150106, 47, 151873, 46, 151877, 45, 151881, 46, 151909, 45, 151913, 44, 151917, 44, 152128, 49, 152129, 46, 152136, 49, 152137, 46, 166214, 43, 166215, 42, 166230, 43, 166247, 42, 166262, 41, 166263, 41, 166466, 48, 166470, 43, 166482, 48, 166486, 43, 168261, 45, 168263, 42, 168293, 45, 168295, 42, 168512, 31, 168513, 28, 168514, 31, 168517, 28, 168518, 25, 168519, 25, 280952, 40, 280953, 39, 280954, 40, 280957, 39, 280958, 38, 280959, 38, 281176, 47, 281178, 47, 281208, 40, 281210, 40, 282985, 44, 282989, 44, 283001, 39, 283005, 39, 283208, 30, 283209, 27, 283224, 30, 283241, 27, 283256, 22, 283257, 22, 297334, 41, 297335, 41, 297342, 38, 297343, 38, 297554, 29, 297558, 24, 297562, 29, 297590, 24, 297594, 21, 297598, 21, 299365, 26, 299367, 23, 299373, 26, 299383, 23, 299389, 20, 299391, 20, 299584, 31, 299585, 28, 299586, 31, 299589, 28, 299590, 25, 299591, 25, 299592, 30, 299593, 27, 299602, 29, 299606, 24, 299608, 30, 299610, 29, 299621, 26, 299623, 23, 299625, 27, 299629, 26, 299638, 24, 299639, 23, 299640, 22, 299641, 22, 299642, 21, 299645, 20, 299646, 21, 299647, 20, 299648, 61, 299649, 60, 299650, 61, 299653, 60, 299654, 59, 299655, 59, 299656, 58, 299657, 57, 299666, 55, 299670, 54, 299672, 58, 299674, 55, 299685, 52, 299687, 51, 299689, 57, 299693, 52, 299702, 54, 299703, 51, 299704, 56, 299705, 56, 299706, 53, 299709, 50, 299710, 53, 299711, 50, 299904, 61, 299906, 61, 299912, 58, 299922, 55, 299928, 58, 299930, 55, 301697, 60, 301701, 60, 301705, 57, 301733, 52, 301737, 57, 301741, 52, 301952, 79, 301953, 79, 301960, 76, 301961, 76, 316038, 59, 316039, 59, 316054, 54, 316071, 51, 316086, 54, 316087, 51, 316290, 78, 316294, 78, 316306, 73, 316310, 73, 318085, 77, 318087, 77, 318117, 70, 318119, 70, 318336, 79, 318337, 79, 318338, 78, 318341, 77, 318342, 78, 318343, 77, 430776, 56, 430777, 56, 430778, 53, 430781, 50, 430782, 53, 430783, 50, 431000, 75, 431002, 72, 431032, 75, 431034, 72, 432809, 74, 432813, 69, 432825, 74, 432829, 69, 433032, 76, 433033, 76, 433048, 75, 433065, 74, 433080, 75, 433081, 74, 447158, 71, 447159, 68, 447166, 71, 447167, 68, 447378, 73, 447382, 73, 447386, 72, 447414, 71, 447418, 72, 447422, 71, 449189, 70, 449191, 70, 449197, 69, 449207, 68, 449213, 69, 449215, 68, 449408, 67, 449409, 67, 449410, 66, 449413, 64, 449414, 66, 449415, 64, 449416, 67, 449417, 67, 449426, 66, 449430, 66, 449432, 65, 449434, 65, 449445, 64, 449447, 64, 449449, 63, 449453, 63, 449462, 62, 449463, 62, 449464, 65, 449465, 63, 449466, 65, 449469, 63, 449470, 62, 449471, 62, 449472, 19, 449473, 19, 449474, 18, 449477, 16, 449478, 18, 449479, 16, 449480, 19, 449481, 19, 449490, 18, 449494, 18, 449496, 17, 449498, 17, 449509, 16, 449511, 16, 449513, 15, 449517, 15, 449526, 14, 449527, 14, 449528, 17, 449529, 15, 449530, 17, 449533, 15, 449534, 14, 449535, 14, 449728, 19, 449729, 19, 449730, 18, 449734, 18, 449736, 19, 449737, 19, 449746, 18, 449750, 18, 449752, 17, 449754, 17, 449784, 17, 449786, 17, 451520, 19, 451521, 19, 451525, 16, 451527, 16, 451528, 19, 451529, 19, 451557, 16, 451559, 16, 451561, 15, 451565, 15, 451577, 15, 451581, 15, 451776, 19, 451777, 19, 451784, 19, 451785, 19, 465858, 18, 465861, 16, 465862, 18, 465863, 16, 465874, 18, 465878, 18, 465893, 16, 465895, 16, 465910, 14, 465911, 14, 465918, 14, 465919, 14, 466114, 18, 466118, 18, 466130, 18, 466134, 18, 467909, 16, 467911, 16, 467941, 16, 467943, 16, 468160, 13, 468161, 13, 468162, 13, 468163, 13, 468164, 13, 468165, 13, 468166, 13, 468167, 13, 580568, 17, 580570, 17, 580585, 15, 580589, 15, 580598, 14, 580599, 14, 580600, 17, 580601, 15, 580602, 17, 580605, 15, 580606, 14, 580607, 14, 580824, 17, 580826, 17, 580856, 17, 580858, 17, 582633, 15, 582637, 15, 582649, 15, 582653, 15, 582856, 12, 582857, 12, 582872, 12, 582873, 12, 582888, 12, 582889, 12, 582904, 12, 582905, 12, 596982, 14, 596983, 14, 596990, 14, 596991, 14, 597202, 11, 597206, 11, 597210, 11, 597214, 11, 597234, 11, 597238, 11, 597242, 11, 597246, 11, 599013, 10, 599015, 10, 599021, 10, 599023, 10, 599029, 10, 599031, 10, 599037, 10, 599039, 10, 599232, 13, 599233, 13, 599234, 13, 599235, 13, 599236, 13, 599237, 13, 599238, 13, 599239, 13, 599240, 12, 599241, 12, 599250, 11, 599254, 11, 599256, 12, 599257, 12, 599258, 11, 599262, 11, 599269, 10, 599271, 10, 599272, 12, 599273, 12, 599277, 10, 599279, 10, 599282, 11, 599285, 10, 599286, 11, 599287, 10, 599288, 12, 599289, 12, 599290, 11, 599293, 10, 599294, 11, 599295, 10],
p2D: [0, 0, 1, -1, 0, 0, -1, 1, 0, 2, 1, 1, 1, 2, 2, 0, 1, 2, 0, 2, 1, 0, 0, 0],
p3D: [0, 0, 1, -1, 0, 0, 1, 0, -1, 0, 0, -1, 1, 0, 0, 0, 1, -1, 0, 0, -1, 0, 1, 0, 0, -1, 1, 0, 2, 1, 1, 0, 1, 1, 1, -1, 0, 2, 1, 0, 1, 1, 1, -1, 1, 0, 2, 0, 1, 1, 1, -1, 1, 1, 1, 3, 2, 1, 0, 3, 1, 2, 0, 1, 3, 2, 0, 1, 3, 1, 0, 2, 1, 3, 0, 2, 1, 3, 0, 1, 2, 1, 1, 1, 0, 0, 2, 2, 0, 0, 1, 1, 0, 1, 0, 2, 0, 2, 0, 1, 1, 0, 0, 1, 2, 0, 0, 2, 2, 0, 0, 0, 0, 1, 1, -1, 1, 2, 0, 0, 0, 0, 1, -1, 1, 1, 2, 0, 0, 0, 0, 1, 1, 1, -1, 2, 3, 1, 1, 1, 2, 0, 0, 2, 2, 3, 1, 1, 1, 2, 2, 0, 0, 2, 3, 1, 1, 1, 2, 0, 2, 0, 2, 1, 1, -1, 1, 2, 0, 0, 2, 2, 1, 1, -1, 1, 2, 2, 0, 0, 2, 1, -1, 1, 1, 2, 0, 0, 2, 2, 1, -1, 1, 1, 2, 0, 2, 0, 2, 1, 1, 1, -1, 2, 2, 0, 0, 2, 1, 1, 1, -1, 2, 0, 2, 0],
p4D: [0, 0, 1, -1, 0, 0, 0, 1, 0, -1, 0, 0, 1, 0, 0, -1, 0, 0, -1, 1, 0, 0, 0, 0, 1, -1, 0, 0, 0, 1, 0, -1, 0, 0, -1, 0, 1, 0, 0, 0, -1, 1, 0, 0, 0, 0, 1, -1, 0, 0, -1, 0, 0, 1, 0, 0, -1, 0, 1, 0, 0, 0, -1, 1, 0, 2, 1, 1, 0, 0, 1, 1, 1, -1, 0, 1, 1, 1, 0, -1, 0, 2, 1, 0, 1, 0, 1, 1, -1, 1, 0, 1, 1, 0, 1, -1, 0, 2, 0, 1, 1, 0, 1, -1, 1, 1, 0, 1, 0, 1, 1, -1, 0, 2, 1, 0, 0, 1, 1, 1, -1, 0, 1, 1, 1, 0, -1, 1, 0, 2, 0, 1, 0, 1, 1, -1, 1, 0, 1, 1, 0, 1, -1, 1, 0, 2, 0, 0, 1, 1, 1, -1, 0, 1, 1, 1, 0, -1, 1, 1, 1, 4, 2, 1, 1, 0, 4, 1, 2, 1, 0, 4, 1, 1, 2, 0, 1, 4, 2, 1, 0, 1, 4, 1, 2, 0, 1, 4, 1, 1, 0, 2, 1, 4, 2, 0, 1, 1, 4, 1, 0, 2, 1, 4, 1, 0, 1, 2, 1, 4, 0, 2, 1, 1, 4, 0, 1, 2, 1, 4, 0, 1, 1, 2, 1, 2, 1, 1, 0, 0, 3, 2, 1, 0, 0, 3, 1, 2, 0, 0, 1, 2, 1, 0, 1, 0, 3, 2, 0, 1, 0, 3, 1, 0, 2, 0, 1, 2, 0, 1, 1, 0, 3, 0, 2, 1, 0, 3, 0, 1, 2, 0, 1, 2, 1, 0, 0, 1, 3, 2, 0, 0, 1, 3, 1, 0, 0, 2, 1, 2, 0, 1, 0, 1, 3, 0, 2, 0, 1, 3, 0, 1, 0, 2, 1, 2, 0, 0, 1, 1, 3, 0, 0, 2, 1, 3, 0, 0, 1, 2, 2, 3, 1, 1, 1, 0, 2, 1, 1, 1, -1, 2, 2, 0, 0, 0, 2, 3, 1, 1, 0, 1, 2, 1, 1, -1, 1, 2, 2, 0, 0, 0, 2, 3, 1, 0, 1, 1, 2, 1, -1, 1, 1, 2, 2, 0, 0, 0, 2, 3, 1, 1, 1, 0, 2, 1, 1, 1, -1, 2, 0, 2, 0, 0, 2, 3, 1, 1, 0, 1, 2, 1, 1, -1, 1, 2, 0, 2, 0, 0, 2, 3, 0, 1, 1, 1, 2, -1, 1, 1, 1, 2, 0, 2, 0, 0, 2, 3, 1, 1, 1, 0, 2, 1, 1, 1, -1, 2, 0, 0, 2, 0, 2, 3, 1, 0, 1, 1, 2, 1, -1, 1, 1, 2, 0, 0, 2, 0, 2, 3, 0, 1, 1, 1, 2, -1, 1, 1, 1, 2, 0, 0, 2, 0, 2, 3, 1, 1, 0, 1, 2, 1, 1, -1, 1, 2, 0, 0, 0, 2, 2, 3, 1, 0, 1, 1, 2, 1, -1, 1, 1, 2, 0, 0, 0, 2, 2, 3, 0, 1, 1, 1, 2, -1, 1, 1, 1, 2, 0, 0, 0, 2, 2, 1, 1, 1, -1, 0, 1, 1, 1, 0, -1, 0, 0, 0, 0, 0, 2, 1, 1, -1, 1, 0, 1, 1, 0, 1, -1, 0, 0, 0, 0, 0, 2, 1, -1, 1, 1, 0, 1, 0, 1, 1, -1, 0, 0, 0, 0, 0, 2, 1, 1, -1, 0, 1, 1, 1, 0, -1, 1, 0, 0, 0, 0, 0, 2, 1, -1, 1, 0, 1, 1, 0, 1, -1, 1, 0, 0, 0, 0, 0, 2, 1, -1, 0, 1, 1, 1, 0, -1, 1, 1, 0, 0, 0, 0, 0, 2, 1, 1, 1, -1, 0, 1, 1, 1, 0, -1, 2, 2, 0, 0, 0, 2, 1, 1, -1, 1, 0, 1, 1, 0, 1, -1, 2, 2, 0, 0, 0, 2, 1, 1, -1, 0, 1, 1, 1, 0, -1, 1, 2, 2, 0, 0, 0, 2, 1, 1, 1, -1, 0, 1, 1, 1, 0, -1, 2, 0, 2, 0, 0, 2, 1, -1, 1, 1, 0, 1, 0, 1, 1, -1, 2, 0, 2, 0, 0, 2, 1, -1, 1, 0, 1, 1, 0, 1, -1, 1, 2, 0, 2, 0, 0, 2, 1, 1, -1, 1, 0, 1, 1, 0, 1, -1, 2, 0, 0, 2, 0, 2, 1, -1, 1, 1, 0, 1, 0, 1, 1, -1, 2, 0, 0, 2, 0, 2, 1, -1, 0, 1, 1, 1, 0, -1, 1, 1, 2, 0, 0, 2, 0, 2, 1, 1, -1, 0, 1, 1, 1, 0, -1, 1, 2, 0, 0, 0, 2, 2, 1, -1, 1, 0, 1, 1, 0, 1, -1, 1, 2, 0, 0, 0, 2, 2, 1, -1, 0, 1, 1, 1, 0, -1, 1, 1, 2, 0, 0, 0, 2, 3, 1, 1, 0, 0, 0, 2, 2, 0, 0, 0, 2, 1, 1, 1, -1, 3, 1, 0, 1, 0, 0, 2, 0, 2, 0, 0, 2, 1, 1, 1, -1, 3, 1, 0, 0, 1, 0, 2, 0, 0, 2, 0, 2, 1, 1, 1, -1, 3, 1, 1, 0, 0, 0, 2, 2, 0, 0, 0, 2, 1, 1, -1, 1, 3, 1, 0, 1, 0, 0, 2, 0, 2, 0, 0, 2, 1, 1, -1, 1, 3, 1, 0, 0, 0, 1, 2, 0, 0, 0, 2, 2, 1, 1, -1, 1, 3, 1, 1, 0, 0, 0, 2, 2, 0, 0, 0, 2, 1, -1, 1, 1, 3, 1, 0, 0, 1, 0, 2, 0, 0, 2, 0, 2, 1, -1, 1, 1, 3, 1, 0, 0, 0, 1, 2, 0, 0, 0, 2, 2, 1, -1, 1, 1, 3, 1, 0, 1, 0, 0, 2, 0, 2, 0, 0, 2, -1, 1, 1, 1, 3, 1, 0, 0, 1, 0, 2, 0, 0, 2, 0, 2, -1, 1, 1, 1, 3, 1, 0, 0, 0, 1, 2, 0, 0, 0, 2, 2, -1, 1, 1, 1, 3, 3, 2, 1, 0, 0, 3, 1, 2, 0, 0, 4, 1, 1, 1, 1, 3, 3, 2, 0, 1, 0, 3, 1, 0, 2, 0, 4, 1, 1, 1, 1, 3, 3, 0, 2, 1, 0, 3, 0, 1, 2, 0, 4, 1, 1, 1, 1, 3, 3, 2, 0, 0, 1, 3, 1, 0, 0, 2, 4, 1, 1, 1, 1, 3, 3, 0, 2, 0, 1, 3, 0, 1, 0, 2, 4, 1, 1, 1, 1, 3, 3, 0, 0, 2, 1, 3, 0, 0, 1, 2, 4, 1, 1, 1, 1, 3, 3, 2, 1, 0, 0, 3, 1, 2, 0, 0, 2, 1, 1, 1, -1, 3, 3, 2, 0, 1, 0, 3, 1, 0, 2, 0, 2, 1, 1, 1, -1, 3, 3, 0, 2, 1, 0, 3, 0, 1, 2, 0, 2, 1, 1, 1, -1, 3, 3, 2, 1, 0, 0, 3, 1, 2, 0, 0, 2, 1, 1, -1, 1, 3, 3, 2, 0, 0, 1, 3, 1, 0, 0, 2, 2, 1, 1, -1, 1, 3, 3, 0, 2, 0, 1, 3, 0, 1, 0, 2, 2, 1, 1, -1, 1, 3, 3, 2, 0, 1, 0, 3, 1, 0, 2, 0, 2, 1, -1, 1, 1, 3, 3, 2, 0, 0, 1, 3, 1, 0, 0, 2, 2, 1, -1, 1, 1, 3, 3, 0, 0, 2, 1, 3, 0, 0, 1, 2, 2, 1, -1, 1, 1, 3, 3, 0, 2, 1, 0, 3, 0, 1, 2, 0, 2, -1, 1, 1, 1, 3, 3, 0, 2, 0, 1, 3, 0, 1, 0, 2, 2, -1, 1, 1, 1, 3, 3, 0, 0, 2, 1, 3, 0, 0, 1, 2, 2, -1, 1, 1, 1]
};
var Contribution2 = /** @class */ (function() {
function Contribution2(multiplier, xsb, ysb) {
this.dx = -xsb - multiplier * constants_1.SQUISH_2D;
this.dy = -ysb - multiplier * constants_1.SQUISH_2D;
this.xsb = xsb;
this.ysb = ysb;
}
return Contribution2;
})();
var Contribution3 = /** @class */ (function() {
function Contribution3(multiplier, xsb, ysb, zsb) {
this.dx = -xsb - multiplier * constants_1.SQUISH_3D;
this.dy = -ysb - multiplier * constants_1.SQUISH_3D;
this.dz = -zsb - multiplier * constants_1.SQUISH_3D;
this.xsb = xsb;
this.ysb = ysb;
this.zsb = zsb;
}
return Contribution3;
})();
var Contribution4 = /** @class */ (function() {
function Contribution4(multiplier, xsb, ysb, zsb, wsb) {
this.dx = -xsb - multiplier * constants_1.SQUISH_4D;
this.dy = -ysb - multiplier * constants_1.SQUISH_4D;
this.dz = -zsb - multiplier * constants_1.SQUISH_4D;
this.dw = -wsb - multiplier * constants_1.SQUISH_4D;
this.xsb = xsb;
this.ysb = ysb;
this.zsb = zsb;
this.wsb = wsb;
}
return Contribution4;
})();
function shuffleSeed(seed) {
var newSeed = new Uint32Array(1);
newSeed[0] = seed[0] * 1664525 + 1013904223;
return newSeed;
}
OpenSimplexNoise = /** @class */ (function() {
function OpenSimplexNoise(clientSeed) {
this.initialize();
this.perm = new Uint8Array(256);
this.perm2D = new Uint8Array(256);
this.perm3D = new Uint8Array(256);
this.perm4D = new Uint8Array(256);
var source = new Uint8Array(256);
for (var i = 0; i < 256; i++) source[i] = i;
var seed = new Uint32Array(1);
seed[0] = clientSeed;
seed = shuffleSeed(shuffleSeed(shuffleSeed(seed)));
for (var i = 255; i >= 0; i--) {
seed = shuffleSeed(seed);
var r = new Uint32Array(1);
r[0] = (seed[0] + 31) % (i + 1);
if (r[0] < 0) r[0] += i + 1;
this.perm[i] = source[r[0]];
this.perm2D[i] = this.perm[i] & 0x0e;
this.perm3D[i] = (this.perm[i] % 24) * 3;
this.perm4D[i] = this.perm[i] & 0xfc;
source[r[0]] = source[i];
}
}
OpenSimplexNoise.prototype.array1D = function(length, resolution = 1) {
if (resolution == 0) resolution = 1;
var output = new Array(length);
for (var i = 0; i < length*resolution; i += resolution) {
const index = Math.round(i/resolution);
output[index] = this.noise2D(i, 0);
}
return output;
};
OpenSimplexNoise.prototype.array2D = function(width, height, resolution = 1) {
console.log(resolution);
if (resolution == 0) resolution = 1;
var output = new Array(width);
for (var x = 0; x < width*resolution; x += resolution) {
const xi = Math.round(x/resolution);
output[xi] = new Array(height);
for (var y = 0; y < height*resolution; y += resolution) {
const yi = Math.round(y/resolution);
output[xi][yi] = this.noise2D(x, y);
}
}
return output;
};
OpenSimplexNoise.prototype.array3D = function(width, height, depth, resolution = 1) {
if (resolution == 0) resolution = 1;
var output = new Array(width);
for (var x = 0; x < width*resolution; x += resolution) {
const xi = Math.round(x/resolution);
output[xi] = new Array(height);
for (var y = 0; y < height*resolution; y += resolution) {
const yi = Math.round(y/resolution);
output[xi][yi] = new Array(depth);
for (var z = 0; z < depth*resolution; z += resolution) {
const zi = Math.round(z/resolution);
output[xi][yi][zi] = this.noise3D(x, y, z);
}
}
}
return output;
};
OpenSimplexNoise.prototype.array4D = function(
width,
height,
depth,
wLength,
resolution = 1
) {
if (resolution == 0) resolution = 1;
var output = new Array(width);
for (var x = 0; x < width*resolution; x += resolution) {
const xi = Math.round(x/resolution);
output[xi] = new Array(height);
for (var y = 0; y < height*resolution; y += resolution) {
const yi = Math.round(y/resolution);
output[xi][yi] = new Array(depth);
for (var z = 0; z < depth*resolution; z += resolution) {
const zi = Math.round(z/resolution);
output[xi][yi][zi] = new Array(wLength);
for (var w = 0; w < wLength*resolution; w += resolution) {
const wi = Math.round(w/resolution);
output[xi][yi][zi][wi] = this.noise4D(x, y, z, w);
}
}
}
}
return output;
};
OpenSimplexNoise.prototype.noise2D = function(x, y) {
var stretchOffset = (x + y) * constants_1.STRETCH_2D;
var xs = x + stretchOffset;
var ys = y + stretchOffset;
var xsb = Math.floor(xs);
var ysb = Math.floor(ys);
var squishOffset = (xsb + ysb) * constants_1.SQUISH_2D;
var dx0 = x - (xsb + squishOffset);
var dy0 = y - (ysb + squishOffset);
var xins = xs - xsb;
var yins = ys - ysb;
var inSum = xins + yins;
var hash =
(xins - yins + 1) |
(inSum << 1) |
((inSum + yins) << 2) |
((inSum + xins) << 4);
var value = 0;
for (var c = this.lookup2D[hash]; c !== undefined; c = c.next) {
var dx = dx0 + c.dx;
var dy = dy0 + c.dy;
var attn = 2 - dx * dx - dy * dy;
if (attn > 0) {
var px = xsb + c.xsb;
var py = ysb + c.ysb;
var indexPartA = this.perm[px & 0xff];
var index = this.perm2D[(indexPartA + py) & 0xff];
var valuePart =
constants_1.gradients2D[index] * dx +
constants_1.gradients2D[index + 1] * dy;
value += attn * attn * attn * attn * valuePart;
}
}
return value * constants_1.NORM_2D;
};
OpenSimplexNoise.prototype.noise3D = function(x, y, z) {
var stretchOffset = (x + y + z) * constants_1.STRETCH_3D;
var xs = x + stretchOffset;
var ys = y + stretchOffset;
var zs = z + stretchOffset;
var xsb = Math.floor(xs);
var ysb = Math.floor(ys);
var zsb = Math.floor(zs);
var squishOffset = (xsb + ysb + zsb) * constants_1.SQUISH_3D;
var dx0 = x - (xsb + squishOffset);
var dy0 = y - (ysb + squishOffset);
var dz0 = z - (zsb + squishOffset);
var xins = xs - xsb;
var yins = ys - ysb;
var zins = zs - zsb;
var inSum = xins + yins + zins;
var hash =
(yins - zins + 1) |
((xins - yins + 1) << 1) |
((xins - zins + 1) << 2) |
(inSum << 3) |
((inSum + zins) << 5) |
((inSum + yins) << 7) |
((inSum + xins) << 9);
var value = 0;
for (var c = this.lookup3D[hash]; c !== undefined; c = c.next) {
var dx = dx0 + c.dx;
var dy = dy0 + c.dy;
var dz = dz0 + c.dz;
var attn = 2 - dx * dx - dy * dy - dz * dz;
if (attn > 0) {
var px = xsb + c.xsb;
var py = ysb + c.ysb;
var pz = zsb + c.zsb;
var indexPartA = this.perm[px & 0xff];
var indexPartB = this.perm[(indexPartA + py) & 0xff];
var index = this.perm3D[(indexPartB + pz) & 0xff];
var valuePart =
constants_1.gradients3D[index] * dx +
constants_1.gradients3D[index + 1] * dy +
constants_1.gradients3D[index + 2] * dz;
value += attn * attn * attn * attn * valuePart;
}
}
return value * constants_1.NORM_3D;
};
OpenSimplexNoise.prototype.noise4D = function(x, y, z, w) {
var stretchOffset = (x + y + z + w) * constants_1.STRETCH_4D;
var xs = x + stretchOffset;
var ys = y + stretchOffset;
var zs = z + stretchOffset;
var ws = w + stretchOffset;
var xsb = Math.floor(xs);
var ysb = Math.floor(ys);
var zsb = Math.floor(zs);
var wsb = Math.floor(ws);
var squishOffset = (xsb + ysb + zsb + wsb) * constants_1.SQUISH_4D;
var dx0 = x - (xsb + squishOffset);
var dy0 = y - (ysb + squishOffset);
var dz0 = z - (zsb + squishOffset);
var dw0 = w - (wsb + squishOffset);
var xins = xs - xsb;
var yins = ys - ysb;
var zins = zs - zsb;
var wins = ws - wsb;
var inSum = xins + yins + zins + wins;
var hash =
(zins - wins + 1) |
((yins - zins + 1) << 1) |
((yins - wins + 1) << 2) |
((xins - yins + 1) << 3) |
((xins - zins + 1) << 4) |
((xins - wins + 1) << 5) |
(inSum << 6) |
((inSum + wins) << 8) |
((inSum + zins) << 11) |
((inSum + yins) << 14) |
((inSum + xins) << 17);
var value = 0;
for (var c = this.lookup4D[hash]; c !== undefined; c = c.next) {
var dx = dx0 + c.dx;
var dy = dy0 + c.dy;
var dz = dz0 + c.dz;
var dw = dw0 + c.dw;
var attn = 2 - dx * dx - dy * dy - dz * dz - dw * dw;
if (attn > 0) {
var px = xsb + c.xsb;
var py = ysb + c.ysb;
var pz = zsb + c.zsb;
var pw = wsb + c.wsb;
var indexPartA = this.perm[px & 0xff];
var indexPartB = this.perm[(indexPartA + py) & 0xff];
var indexPartC = this.perm[(indexPartB + pz) & 0xff];
var index = this.perm4D[(indexPartC + pw) & 0xff];
var valuePart =
constants_1.gradients4D[index] * dx +
constants_1.gradients4D[index + 1] * dy +
constants_1.gradients4D[index + 2] * dz +
constants_1.gradients4D[index + 3] * dw;
value += attn * attn * attn * attn * valuePart;
}
}
return value * constants_1.NORM_4D;
};
OpenSimplexNoise.prototype.initialize = function() {
var contributions2D = [];
for (var i = 0; i < constants_1.p2D.length; i += 4) {
var baseSet = constants_1.base2D[constants_1.p2D[i]];
var previous = null;
var current = null;
for (var k = 0; k < baseSet.length; k += 3) {
current = new Contribution2(
baseSet[k],
baseSet[k + 1],
baseSet[k + 2]
);
if (previous === null) contributions2D[i / 4] = current;
else previous.next = current;
previous = current;
}
current.next = new Contribution2(
constants_1.p2D[i + 1],
constants_1.p2D[i + 2],
constants_1.p2D[i + 3]
);
}
this.lookup2D = [];
for (var i = 0; i < constants_1.lookupPairs2D.length; i += 2) {
this.lookup2D[constants_1.lookupPairs2D[i]] =
contributions2D[constants_1.lookupPairs2D[i + 1]];
}
var contributions3D = [];
for (var i = 0; i < constants_1.p3D.length; i += 9) {
var baseSet = constants_1.base3D[constants_1.p3D[i]];
var previous = null;
var current = null;
for (var k = 0; k < baseSet.length; k += 4) {
current = new Contribution3(
baseSet[k],
baseSet[k + 1],
baseSet[k + 2],
baseSet[k + 3]
);
if (previous === null) contributions3D[i / 9] = current;
else previous.next = current;
previous = current;
}
current.next = new Contribution3(
constants_1.p3D[i + 1],
constants_1.p3D[i + 2],
constants_1.p3D[i + 3],
constants_1.p3D[i + 4]
);
current.next.next = new Contribution3(
constants_1.p3D[i + 5],
constants_1.p3D[i + 6],
constants_1.p3D[i + 7],
constants_1.p3D[i + 8]
);
}
this.lookup3D = [];
for (var i = 0; i < constants_1.lookupPairs3D.length; i += 2) {
this.lookup3D[constants_1.lookupPairs3D[i]] =
contributions3D[constants_1.lookupPairs3D[i + 1]];
}
var contributions4D = [];
for (var i = 0; i < constants_1.p4D.length; i += 16) {
var baseSet = constants_1.base4D[constants_1.p4D[i]];
var previous = null;
var current = null;
for (var k = 0; k < baseSet.length; k += 5) {
current = new Contribution4(
baseSet[k],
baseSet[k + 1],
baseSet[k + 2],
baseSet[k + 3],
baseSet[k + 4]
);
if (previous === null) contributions4D[i / 16] = current;
else previous.next = current;
previous = current;
}
current.next = new Contribution4(
constants_1.p4D[i + 1],
constants_1.p4D[i + 2],
constants_1.p4D[i + 3],
constants_1.p4D[i + 4],
constants_1.p4D[i + 5]
);
current.next.next = new Contribution4(
constants_1.p4D[i + 6],
constants_1.p4D[i + 7],
constants_1.p4D[i + 8],
constants_1.p4D[i + 9],
constants_1.p4D[i + 10]
);
current.next.next.next = new Contribution4(
constants_1.p4D[i + 11],
constants_1.p4D[i + 12],
constants_1.p4D[i + 13],
constants_1.p4D[i + 14],
constants_1.p4D[i + 15]
);
}
this.lookup4D = [];
for (var i = 0; i < constants_1.lookupPairs4D.length; i += 2) {
this.lookup4D[constants_1.lookupPairs4D[i]] =
contributions4D[constants_1.lookupPairs4D[i + 1]];
}
};
return OpenSimplexNoise;
})();
})();
// Initialize global variable (optional)
const OSN = new OpenSimplexNoise(Date.now());
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