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FastNoiseLite.js
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// MIT License
//
// Copyright(c) 2023 Jordan Peck ([email protected])
// Copyright(c) 2023 Contributors
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files(the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions :
//
// The above copyright notice and this permission notice shall be included in all
// copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
// SOFTWARE.
//
// .'',;:cldxkO00KKXXNNWWWNNXKOkxdollcc::::::;:::ccllloooolllllllllooollc:,'... ...........',;cldxkO000Okxdlc::;;;,,;;;::cclllllll
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// ol:,'.......',:c|___|xxxddollc\_____,___|_________/ddoll|___|,,,|___|...\_____|:\ ______/l|___|_________/...\________|'........',;::cc
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// ....',;:codxkO000OOxdoc:;,''',,,;;;;,''.......',,;:clodkO00000Okxolc::;,,''..',;:ldxOKXNWWWNNK0OkkkkkkkkkkkxxddooooodxxkOOOOO000
// ....',;;clodxkkOOOkkdolc:;,,,,,,,,'..........,;:clodxkO0KKXKK0Okxdolcc::;;,,,;;:codkO0XXNNNNXKK0OOOOOkkkkxxdoollloodxkO0KKKXXXXX
//
// VERSION: 1.1.0
// https://github.com/Auburn/FastNoiseLite
// https://www.npmjs.com/package/fastnoise-lite
//
// Ported to JavaScript by snowfoxsh (Patrick U):
// Discord: dev_storm (preferred) | Email: [email protected] | GitHub: snowfoxsh (https://github.com/snowfoxsh)
//
/**
* @description FastNoiseLite Lite is an extremely portable open source noise generation library with a large selection of noise algorithms
* @author Jordan Peck, snowfoxsh
* @version 1.1.0
* @copyright Copyright(c) 2023 Jordan Peck, Contributors
* @license MIT
* @git https://github.com/Auburn/FastNoiseLite
* @npm https://www.npmjs.com/package/fastnoise-lite
* @example
// Import from npm (if you used npm)
import FastNoiseLite from "fastnoise-lite";
// Create and configure FastNoiseLite object
let noise = new FastNoiseLite();
noise.SetNoiseType(FastNoiseLite.NoiseType.OpenSimplex2);
// Gather noise data
let noiseData = [];
for (let x = 0; x < 128; x++) {
noiseData[x] = [];
for (let y = 0; y < 128; y++) {
noiseData[x][y] = noise.GetNoise(x,y);
}
}
// Do something with this data...
*/
export default class FastNoiseLite {
/**
* @static
* @enum {string}
* @type {Readonly<{Cellular: string, OpenSimplex2: string, Value: string, ValueCubic: string, Perlin: string, OpenSimplex2S: string}>}
*/
static NoiseType = Object.freeze({
OpenSimplex2: "OpenSimplex2",
OpenSimplex2S: "OpenSimplex2S",
Cellular: "Cellular",
Perlin: "Perlin",
ValueCubic: "ValueCubic",
Value: "Value",
});
/**
* @static
* @enum {string}
* @type {Readonly<{ImproveXYPlanes: string, ImproveXZPlanes: string, None: string}>}
*/
static RotationType3D = Object.freeze({
None: "None",
ImproveXYPlanes: "ImproveXYPlanes",
ImproveXZPlanes: "ImproveXZPlanes",
});
/**
* @static
* @enum {string}
* @type {Readonly<{FBm: string, DomainWarpIndependent: string, PingPong: string, None: string, Ridged: string, DomainWarpProgressive: string}>}
*/
static FractalType = Object.freeze({
None: "None",
FBm: "FBm",
Ridged: "Ridged",
PingPong: "PingPong",
DomainWarpProgressive: "DomainWarpProgressive",
DomainWarpIndependent: "DomainWarpIndependent",
});
/**
* @static
* @enum {string}
* @type {Readonly<{EuclideanSq: string, Euclidean: string, Hybrid: string, Manhattan: string}>}
*/
static CellularDistanceFunction = Object.freeze({
Euclidean: "Euclidean",
EuclideanSq: "EuclideanSq",
Manhattan: "Manhattan",
Hybrid: "Hybrid",
});
/**
* @static
* @enum {string}
* @type {Readonly<{Distance2Sub: string, Distance2Mul: string, Distance2Add: string, Distance2Div: string, CellValue: string, Distance: string, Distance2: string}>}
*/
static CellularReturnType = Object.freeze({
CellValue: "CellValue",
Distance: "Distance",
Distance2: "Distance2",
Distance2Add: "Distance2Add",
Distance2Sub: "Distance2Sub",
Distance2Mul: "Distance2Mul",
Distance2Div: "Distance2Div",
});
/**
* @static
* @enum {string}
* @type {Readonly<{BasicGrid: string, OpenSimplex2Reduced: string, OpenSimplex2: string}>}
*/
static DomainWarpType = Object.freeze({
OpenSimplex2: "OpenSimplex2",
OpenSimplex2Reduced: "OpenSimplex2Reduced",
BasicGrid: "BasicGrid",
});
/**
* @static
* @enum {string}
* @type {Readonly<{ImproveXYPlanes: string, ImproveXZPlanes: string, None: string, DefaultOpenSimplex2: string}>}
*/
static TransformType3D = Object.freeze({
None: "None",
ImproveXYPlanes: "ImproveXYPlanes",
ImproveXZPlanes: "ImproveXZPlanes",
DefaultOpenSimplex2: "DefaultOpenSimplex2",
});
/* Private */
_Seed = 1337;
_Frequency = 0.01;
_NoiseType = FastNoiseLite.NoiseType.OpenSimplex2;
_RotationType3D = FastNoiseLite.RotationType3D.None;
_TransformType3D = FastNoiseLite.TransformType3D.DefaultOpenSimplex2;
_DomainWarpAmp = 1.0;
_FractalType = FastNoiseLite.FractalType.None;
_Octaves = 3;
_Lacunarity = 2.0;
_Gain = 0.5;
_WeightedStrength = 0.0;
_PingPongStrength = 2.0;
_FractalBounding = 1 / 1.75;
_CellularDistanceFunction = FastNoiseLite.CellularDistanceFunction.EuclideanSq;
_CellularReturnType = FastNoiseLite.CellularReturnType.Distance;
_CellularJitterModifier = 1.0;
_DomainWarpType = FastNoiseLite.DomainWarpType.OpenSimplex2;
_WarpTransformType3D = FastNoiseLite.TransformType3D.DefaultOpenSimplex2;
/**
* @description Create new FastNoiseLite object with optional seed
* @param {number} [seed]
* @constructor
*/
constructor(seed) {
if (seed !== undefined) {
this._Seed = seed;
}
}
/**
* @description Sets seed used for all noise types
* @remarks Default: 1337
* @default 1337
* @param {number} seed
*/
SetSeed(seed) {
this._Seed = seed;
}
/**
* @description Sets frequency for all noise types
* @remarks Default: 0.01
* @default 0.01
* @param {number} frequency
*/
SetFrequency(frequency) {
this._Frequency = frequency;
}
/**
* @description Sets noise algorithm used for GetNoise(...)
* @remarks Default: OpenSimplex2
* @default FastNoiseLite.NoiseType.OpenSimplex2
* @param {FastNoiseLite.NoiseType} noiseType
*/
SetNoiseType(noiseType) {
this._NoiseType = noiseType;
this._UpdateTransformType3D();
}
/**
* @description Sets domain rotation type for 3D Noise and 3D DomainWarp.
* @description Can aid in reducing directional artifacts when sampling a 2D plane in 3D
* @remarks Default: None
* @default FastNoiseLite.RotationType3D.None
* @param {FastNoiseLite.RotationType3D} rotationType3D
*/
SetRotationType3D(rotationType3D) {
this._RotationType3D = rotationType3D;
this._UpdateTransformType3D();
this._UpdateWarpTransformType3D();
}
/**
* @description Sets method for combining octaves in all fractal noise types
* @remarks Default: None
* @default FastNoiseLite.FractalType.None
* @param {FastNoiseLite.FractalType} fractalType
*/
SetFractalType(fractalType) {
this._FractalType = fractalType;
}
/**
* @description Sets octave count for all fractal noise types
* @remarks Default: 3
* @default 3
* @param {number} octaves
*/
SetFractalOctaves(octaves) {
this._Octaves = octaves;
this._CalculateFractalBounding();
}
/**
* @description Sets octave lacunarity for all fractal noise types
* @remarks Default: 2.0
* @default 2.0
* @param {number} lacunarity
*/
SetFractalLacunarity(lacunarity) {
this._Lacunarity = lacunarity;
}
/**
* @description Sets octave gain for all fractal noise types
* @remarks Default: 0.5
* @default 0.5
* @param {number} gain
*/
SetFractalGain(gain) {
this._Gain = gain;
this._CalculateFractalBounding();
}
/**
* @description Sets octave weighting for all none DomainWarp fratal types
* @remarks Default: 0.0 | Keep between 0...1 to maintain -1...1 output bounding
* @default 0.5
* @param {number} weightedStrength
*/
SetFractalWeightedStrength(weightedStrength) {
this._WeightedStrength = weightedStrength;
}
/**
* @description Sets strength of the fractal ping pong effect
* @remarks Default: 2.0
* @default 2.0
* @param {number} pingPongStrength
*/
SetFractalPingPongStrength(pingPongStrength) {
this._PingPongStrength = pingPongStrength;
}
/**
* @description Sets distance function used in cellular noise calculations
* @remarks Default: EuclideanSq
* @default FastNoiseLite.CellularDistanceFunction.EuclideanSq
* @param {FastNoiseLite.CellularDistanceFunction} cellularDistanceFunction
*/
SetCellularDistanceFunction(cellularDistanceFunction) {
this._CellularDistanceFunction = cellularDistanceFunction;
}
/**
* @description Sets return type from cellular noise calculations
* @remarks Default: Distance
* @default FastNoiseLite.CellularReturnType.Distance
* @param {FastNoiseLite.CellularReturnType} cellularReturnType
*/
SetCellularReturnType(cellularReturnType) {
this._CellularReturnType = cellularReturnType;
}
/**
* @description Sets the maximum distance a cellular point can move from it's grid position
* @remarks Default: 1.0
* @default 1.0
* @param {number} cellularJitter
*/
SetCellularJitter(cellularJitter) {
this._CellularJitterModifier = cellularJitter;
}
/**
* @description Sets the warp algorithm when using DomainWarp(...)
* @remarks Default: OpenSimplex2
* @default FastNoiseLite.DomainWarpType.OpenSimplex2
* @param {FastNoiseLite.DomainWarpType} domainWarpType
*/
SetDomainWarpType(domainWarpType) {
this._DomainWarpType = domainWarpType;
this._UpdateWarpTransformType3D();
}
/**
* @description Sets the maximum warp distance from original position when using DomainWarp(...)
* @remarks Default: 1.0
* @default 1.0
* @param {number} domainWarpAmp
*/
SetDomainWarpAmp(domainWarpAmp) {
this._DomainWarpAmp = domainWarpAmp;
}
/**
* @description 2D/3D noise at given position using current settings
* @param {number} x X coordinate
* @param {number} y Y coordinate
* @param {number} [z] Z coordinate
* @return {number} Noise output bounded between -1...1
*/
GetNoise(x, y, z) {
/**
* @description 2D noise at given position using current settings
* @param {number} x
* @param {number} y
* @return {number} Noise output bounded between -1...1
*/
let R2 = (x, y) => {
x *= this._Frequency;
y *= this._Frequency;
switch (this._NoiseType) {
case FastNoiseLite.NoiseType.OpenSimplex2:
case FastNoiseLite.NoiseType.OpenSimplex2S:
const SQRT3 = 1.7320508075688772935274463415059;
const F2 = 0.5 * (SQRT3 - 1);
let t = (x + y) * F2;
x += t;
y += t;
break;
default:
break;
}
switch (this._FractalType) {
default:
return this._GenNoiseSingleR2(this._Seed, x, y);
case FastNoiseLite.FractalType.FBm:
return this._GenFractalFBmR2(x, y);
case FastNoiseLite.FractalType.Ridged:
return this._GenFractalRidgedR2(x, y);
case FastNoiseLite.FractalType.PingPong:
return this._GenFractalPingPongR2(x, y);
}
};
/**
* @description 3D noise at given position using current settings
* @param {number} x
* @param {number} y
* @param {number} z
* @return {number} Noise output bounded between -1...1
*/
let R3 = (x, y, z) => {
x *= this._Frequency;
y *= this._Frequency;
z *= this._Frequency;
switch (this._TransformType3D) {
case FastNoiseLite.TransformType3D.ImproveXYPlanes: {
let xy = x + y;
let s2 = xy * -0.211324865405187;
z *= 0.577350269189626;
x += s2 - z;
y += s2 - z;
z += xy * 0.577350269189626;
break;
}
case FastNoiseLite.TransformType3D.ImproveXZPlanes: {
let xz = x + z;
let s2 = xz * -0.211324865405187;
y *= 0.577350269189626;
x += s2 - y;
z += s2 - y;
y += xz * 0.577350269189626;
break;
}
case FastNoiseLite.TransformType3D.DefaultOpenSimplex2:
const R3 = 2.0 / 3.0;
let r = (x + y + z) * R3;
x = r - x;
y = r - y;
z = r - z;
break;
default:
break;
}
switch (this._FractalType) {
default:
return this._GenNoiseSingleR3(this._Seed, x, y, z);
case FastNoiseLite.FractalType.FBm:
return this._GenFractalFBmR3(x, y, z);
case FastNoiseLite.FractalType.Ridged:
return this._GenFractalRidgedR3(x, y, z);
case FastNoiseLite.FractalType.PingPong:
return this._GenFractalPingPongR3(x, y, z);
}
};
if (arguments.length === 2) {
return R2(x, y);
}
if (arguments.length === 3) {
return R3(x, y, z);
}
}
/**
* @description 2D/3D warps the input position using current domain warp settings
* @param {Vector2|Vector3} coord
*/
DomainWrap(coord) {
switch (this._FractalType) {
default:
this._DomainWarpSingle(coord);
break;
case FastNoiseLite.FractalType.DomainWarpProgressive:
this._DomainWarpFractalProgressive(coord);
break;
case FastNoiseLite.FractalType.DomainWarpIndependent:
this._DomainWarpFractalIndependent(coord);
break;
}
}
// prettier-ignore
_Gradients2D = [
0.130526192220052, 0.99144486137381, 0.38268343236509, 0.923879532511287, 0.608761429008721, 0.793353340291235, 0.793353340291235, 0.608761429008721,
0.923879532511287, 0.38268343236509, 0.99144486137381, 0.130526192220051, 0.99144486137381, -0.130526192220051, 0.923879532511287, -0.38268343236509,
0.793353340291235, -0.60876142900872, 0.608761429008721, -0.793353340291235, 0.38268343236509, -0.923879532511287, 0.130526192220052, -0.99144486137381,
-0.130526192220052, -0.99144486137381, -0.38268343236509, -0.923879532511287, -0.608761429008721, -0.793353340291235, -0.793353340291235, -0.608761429008721,
-0.923879532511287, -0.38268343236509, -0.99144486137381, -0.130526192220052, -0.99144486137381, 0.130526192220051, -0.923879532511287, 0.38268343236509,
-0.793353340291235, 0.608761429008721, -0.608761429008721, 0.793353340291235, -0.38268343236509, 0.923879532511287, -0.130526192220052, 0.99144486137381,
0.130526192220052, 0.99144486137381, 0.38268343236509, 0.923879532511287, 0.608761429008721, 0.793353340291235, 0.793353340291235, 0.608761429008721,
0.923879532511287, 0.38268343236509, 0.99144486137381, 0.130526192220051, 0.99144486137381, -0.130526192220051, 0.923879532511287, -0.38268343236509,
0.793353340291235, -0.60876142900872, 0.608761429008721, -0.793353340291235, 0.38268343236509, -0.923879532511287, 0.130526192220052, -0.99144486137381,
-0.130526192220052, -0.99144486137381, -0.38268343236509, -0.923879532511287, -0.608761429008721, -0.793353340291235, -0.793353340291235, -0.608761429008721,
-0.923879532511287, -0.38268343236509, -0.99144486137381, -0.130526192220052, -0.99144486137381, 0.130526192220051, -0.923879532511287, 0.38268343236509,
-0.793353340291235, 0.608761429008721, -0.608761429008721, 0.793353340291235, -0.38268343236509, 0.923879532511287, -0.130526192220052, 0.99144486137381,
0.130526192220052, 0.99144486137381, 0.38268343236509, 0.923879532511287, 0.608761429008721, 0.793353340291235, 0.793353340291235, 0.608761429008721,
0.923879532511287, 0.38268343236509, 0.99144486137381, 0.130526192220051, 0.99144486137381, -0.130526192220051, 0.923879532511287, -0.38268343236509,
0.793353340291235, -0.60876142900872, 0.608761429008721, -0.793353340291235, 0.38268343236509, -0.923879532511287, 0.130526192220052, -0.99144486137381,
-0.130526192220052, -0.99144486137381, -0.38268343236509, -0.923879532511287, -0.608761429008721, -0.793353340291235, -0.793353340291235, -0.608761429008721,
-0.923879532511287, -0.38268343236509, -0.99144486137381, -0.130526192220052, -0.99144486137381, 0.130526192220051, -0.923879532511287, 0.38268343236509,
-0.793353340291235, 0.608761429008721, -0.608761429008721, 0.793353340291235, -0.38268343236509, 0.923879532511287, -0.130526192220052, 0.99144486137381,
0.130526192220052, 0.99144486137381, 0.38268343236509, 0.923879532511287, 0.608761429008721, 0.793353340291235, 0.793353340291235, 0.608761429008721,
0.923879532511287, 0.38268343236509, 0.99144486137381, 0.130526192220051, 0.99144486137381, -0.130526192220051, 0.923879532511287, -0.38268343236509,
0.793353340291235, -0.60876142900872, 0.608761429008721, -0.793353340291235, 0.38268343236509, -0.923879532511287, 0.130526192220052, -0.99144486137381,
-0.130526192220052, -0.99144486137381, -0.38268343236509, -0.923879532511287, -0.608761429008721, -0.793353340291235, -0.793353340291235, -0.608761429008721,
-0.923879532511287, -0.38268343236509, -0.99144486137381, -0.130526192220052, -0.99144486137381, 0.130526192220051, -0.923879532511287, 0.38268343236509,
-0.793353340291235, 0.608761429008721, -0.608761429008721, 0.793353340291235, -0.38268343236509, 0.923879532511287, -0.130526192220052, 0.99144486137381,
0.130526192220052, 0.99144486137381, 0.38268343236509, 0.923879532511287, 0.608761429008721, 0.793353340291235, 0.793353340291235, 0.608761429008721,
0.923879532511287, 0.38268343236509, 0.99144486137381, 0.130526192220051, 0.99144486137381, -0.130526192220051, 0.923879532511287, -0.38268343236509,
0.793353340291235, -0.60876142900872, 0.608761429008721, -0.793353340291235, 0.38268343236509, -0.923879532511287, 0.130526192220052, -0.99144486137381,
-0.130526192220052, -0.99144486137381, -0.38268343236509, -0.923879532511287, -0.608761429008721, -0.793353340291235, -0.793353340291235, -0.608761429008721,
-0.923879532511287, -0.38268343236509, -0.99144486137381, -0.130526192220052, -0.99144486137381, 0.130526192220051, -0.923879532511287, 0.38268343236509,
-0.793353340291235, 0.608761429008721, -0.608761429008721, 0.793353340291235, -0.38268343236509, 0.923879532511287, -0.130526192220052, 0.99144486137381,
0.38268343236509, 0.923879532511287, 0.923879532511287, 0.38268343236509, 0.923879532511287, -0.38268343236509, 0.38268343236509, -0.923879532511287,
-0.38268343236509, -0.923879532511287, -0.923879532511287, -0.38268343236509, -0.923879532511287, 0.38268343236509, -0.38268343236509, 0.923879532511287,
];
// prettier-ignore
_RandVecs2D = [
-0.2700222198, -0.9628540911, 0.3863092627, -0.9223693152, 0.04444859006, -0.999011673, -0.5992523158, -0.8005602176, -0.7819280288, 0.6233687174, 0.9464672271, 0.3227999196, -0.6514146797, -0.7587218957, 0.9378472289, 0.347048376,
-0.8497875957, -0.5271252623, -0.879042592, 0.4767432447, -0.892300288, -0.4514423508, -0.379844434, -0.9250503802, -0.9951650832, 0.0982163789, 0.7724397808, -0.6350880136, 0.7573283322, -0.6530343002, -0.9928004525, -0.119780055,
-0.0532665713, 0.9985803285, 0.9754253726, -0.2203300762, -0.7665018163, 0.6422421394, 0.991636706, 0.1290606184, -0.994696838, 0.1028503788, -0.5379205513, -0.84299554, 0.5022815471, -0.8647041387, 0.4559821461, -0.8899889226,
-0.8659131224, -0.5001944266, 0.0879458407, -0.9961252577, -0.5051684983, 0.8630207346, 0.7753185226, -0.6315704146, -0.6921944612, 0.7217110418, -0.5191659449, -0.8546734591, 0.8978622882, -0.4402764035, -0.1706774107, 0.9853269617,
-0.9353430106, -0.3537420705, -0.9992404798, 0.03896746794, -0.2882064021, -0.9575683108, -0.9663811329, 0.2571137995, -0.8759714238, -0.4823630009, -0.8303123018, -0.5572983775, 0.05110133755, -0.9986934731, -0.8558373281, -0.5172450752,
0.09887025282, 0.9951003332, 0.9189016087, 0.3944867976, -0.2439375892, -0.9697909324, -0.8121409387, -0.5834613061, -0.9910431363, 0.1335421355, 0.8492423985, -0.5280031709, -0.9717838994, -0.2358729591, 0.9949457207, 0.1004142068,
0.6241065508, -0.7813392434, 0.662910307, 0.7486988212, -0.7197418176, 0.6942418282, -0.8143370775, -0.5803922158, 0.104521054, -0.9945226741, -0.1065926113, -0.9943027784, 0.445799684, -0.8951327509, 0.105547406, 0.9944142724,
-0.992790267, 0.1198644477, -0.8334366408, 0.552615025, 0.9115561563, -0.4111755999, 0.8285544909, -0.5599084351, 0.7217097654, -0.6921957921, 0.4940492677, -0.8694339084, -0.3652321272, -0.9309164803, -0.9696606758, 0.2444548501,
0.08925509731, -0.996008799, 0.5354071276, -0.8445941083, -0.1053576186, 0.9944343981, -0.9890284586, 0.1477251101, 0.004856104961, 0.9999882091, 0.9885598478, 0.1508291331, 0.9286129562, -0.3710498316, -0.5832393863, -0.8123003252,
0.3015207509, 0.9534596146, -0.9575110528, 0.2883965738, 0.9715802154, -0.2367105511, 0.229981792, 0.9731949318, 0.955763816, -0.2941352207, 0.740956116, 0.6715534485, -0.9971513787, -0.07542630764, 0.6905710663, -0.7232645452,
-0.290713703, -0.9568100872, 0.5912777791, -0.8064679708, -0.9454592212, -0.325740481, 0.6664455681, 0.74555369, 0.6236134912, 0.7817328275, 0.9126993851, -0.4086316587, -0.8191762011, 0.5735419353, -0.8812745759, -0.4726046147,
0.9953313627, 0.09651672651, 0.9855650846, -0.1692969699, -0.8495980887, 0.5274306472, 0.6174853946, -0.7865823463, 0.8508156371, 0.52546432, 0.9985032451, -0.05469249926, 0.1971371563, -0.9803759185, 0.6607855748, -0.7505747292,
-0.03097494063, 0.9995201614, -0.6731660801, 0.739491331, -0.7195018362, -0.6944905383, 0.9727511689, 0.2318515979, 0.9997059088, -0.0242506907, 0.4421787429, -0.8969269532, 0.9981350961, -0.061043673, -0.9173660799, -0.3980445648,
-0.8150056635, -0.5794529907, -0.8789331304, 0.4769450202, 0.0158605829, 0.999874213, -0.8095464474, 0.5870558317, -0.9165898907, -0.3998286786, -0.8023542565, 0.5968480938, -0.5176737917, 0.8555780767, -0.8154407307, -0.5788405779,
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-0.985371561, -0.1704197369, 0.4601468731, 0.88784281, 0.825855404, 0.5638819483, 0.6182366099, 0.7859920446, 0.8331502863, -0.553046653, 0.1500307506, 0.9886813308, -0.662330369, -0.7492119075, -0.668598664, 0.743623444,
0.7025606278, 0.7116238924, -0.5419389763, -0.8404178401, -0.3388616456, 0.9408362159, 0.8331530315, 0.5530425174, -0.2989720662, -0.9542618632, 0.2638522993, 0.9645630949, 0.124108739, -0.9922686234, -0.7282649308, -0.6852956957,
0.6962500149, 0.7177993569, -0.9183535368, 0.3957610156, -0.6326102274, -0.7744703352, -0.9331891859, -0.359385508, -0.1153779357, -0.9933216659, 0.9514974788, -0.3076565421, -0.08987977445, -0.9959526224, 0.6678496916, 0.7442961705,
0.7952400393, -0.6062947138, -0.6462007402, -0.7631674805, -0.2733598753, 0.9619118351, 0.9669590226, -0.254931851, -0.9792894595, 0.2024651934, -0.5369502995, -0.8436138784, -0.270036471, -0.9628500944, -0.6400277131, 0.7683518247,
-0.7854537493, -0.6189203566, 0.06005905383, -0.9981948257, -0.02455770378, 0.9996984141, -0.65983623, 0.751409442, -0.6253894466, -0.7803127835, -0.6210408851, -0.7837781695, 0.8348888491, 0.5504185768, -0.1592275245, 0.9872419133,
0.8367622488, 0.5475663786, -0.8675753916, -0.4973056806, -0.2022662628, -0.9793305667, 0.9399189937, 0.3413975472, 0.9877404807, -0.1561049093, -0.9034455656, 0.4287028224, 0.1269804218, -0.9919052235, -0.3819600854, 0.924178821,
0.9754625894, 0.2201652486, -0.3204015856, -0.9472818081, -0.9874760884, 0.1577687387, 0.02535348474, -0.9996785487, 0.4835130794, -0.8753371362, -0.2850799925, -0.9585037287, -0.06805516006, -0.99768156, -0.7885244045, -0.6150034663,
0.3185392127, -0.9479096845, 0.8880043089, 0.4598351306, 0.6476921488, -0.7619021462, 0.9820241299, 0.1887554194, 0.9357275128, -0.3527237187, -0.8894895414, 0.4569555293, 0.7922791302, 0.6101588153, 0.7483818261, 0.6632681526,
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0.9437816757, -0.3305694308, -0.8927998638, -0.4504535528, -0.8069622304, 0.5906030467, 0.06258973166, 0.9980393407, -0.9312597469, 0.3643559849, 0.5777449785, 0.8162173362, -0.3360095855, -0.941858566, 0.697932075, -0.7161639607,
-0.002008157227, -0.9999979837, -0.1827294312, -0.9831632392, -0.6523911722, 0.7578824173, -0.4302626911, -0.9027037258, -0.9985126289, -0.05452091251, -0.01028102172, -0.9999471489, -0.4946071129, 0.8691166802, -0.2999350194, 0.9539596344,
0.8165471961, 0.5772786819, 0.2697460475, 0.962931498, -0.7306287391, -0.6827749597, -0.7590952064, -0.6509796216, -0.907053853, 0.4210146171, -0.5104861064, -0.8598860013, 0.8613350597, 0.5080373165, 0.5007881595, -0.8655698812,
-0.654158152, 0.7563577938, -0.8382755311, -0.545246856, 0.6940070834, 0.7199681717, 0.06950936031, 0.9975812994, 0.1702942185, -0.9853932612, 0.2695973274, 0.9629731466, 0.5519612192, -0.8338697815, 0.225657487, -0.9742067022,
0.4215262855, -0.9068161835, 0.4881873305, -0.8727388672, -0.3683854996, -0.9296731273, -0.9825390578, 0.1860564427, 0.81256471, 0.5828709909, 0.3196460933, -0.9475370046, 0.9570913859, 0.2897862643, -0.6876655497, -0.7260276109,
-0.9988770922, -0.047376731, -0.1250179027, 0.992154486, -0.8280133617, 0.560708367, 0.9324863769, -0.3612051451, 0.6394653183, 0.7688199442, -0.01623847064, -0.9998681473, -0.9955014666, -0.09474613458, -0.81453315, 0.580117012,
0.4037327978, -0.9148769469, 0.9944263371, 0.1054336766, -0.1624711654, 0.9867132919, -0.9949487814, -0.100383875, -0.6995302564, 0.7146029809, 0.5263414922, -0.85027327, -0.5395221479, 0.841971408, 0.6579370318, 0.7530729462,
0.01426758847, -0.9998982128, -0.6734383991, 0.7392433447, 0.639412098, -0.7688642071, 0.9211571421, 0.3891908523, -0.146637214, -0.9891903394, -0.782318098, 0.6228791163, -0.5039610839, -0.8637263605, -0.7743120191, -0.6328039957,
];
// prettier-ignore
_Gradients3D = [
0, 1, 1, 0, 0, -1, 1, 0, 0, 1, -1, 0, 0, -1, -1, 0,
1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, -1, 0, -1, 0,
1, 1, 0, 0, -1, 1, 0, 0, 1, -1, 0, 0, -1, -1, 0, 0,
0, 1, 1, 0, 0, -1, 1, 0, 0, 1, -1, 0, 0, -1, -1, 0,
1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, -1, 0, -1, 0,
1, 1, 0, 0, -1, 1, 0, 0, 1, -1, 0, 0, -1, -1, 0, 0,
0, 1, 1, 0, 0, -1, 1, 0, 0, 1, -1, 0, 0, -1, -1, 0,
1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, -1, 0, -1, 0,
1, 1, 0, 0, -1, 1, 0, 0, 1, -1, 0, 0, -1, -1, 0, 0,
0, 1, 1, 0, 0, -1, 1, 0, 0, 1, -1, 0, 0, -1, -1, 0,
1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, -1, 0, -1, 0,
1, 1, 0, 0, -1, 1, 0, 0, 1, -1, 0, 0, -1, -1, 0, 0,
0, 1, 1, 0, 0, -1, 1, 0, 0, 1, -1, 0, 0, -1, -1, 0,
1, 0, 1, 0, -1, 0, 1, 0, 1, 0, -1, 0, -1, 0, -1, 0,
1, 1, 0, 0, -1, 1, 0, 0, 1, -1, 0, 0, -1, -1, 0, 0,
1, 1, 0, 0, 0, -1, 1, 0, -1, 1, 0, 0, 0, -1, -1, 0
];
// prettier-ignore
_RandVecs3D = [
-0.7292736885, -0.6618439697, 0.1735581948, 0, 0.790292081, -0.5480887466, -0.2739291014, 0, 0.7217578935, 0.6226212466, -0.3023380997, 0, 0.565683137, -0.8208298145, -0.0790000257, 0, 0.760049034, -0.5555979497, -0.3370999617, 0, 0.3713945616, 0.5011264475, 0.7816254623, 0, -0.1277062463, -0.4254438999, -0.8959289049, 0, -0.2881560924, -0.5815838982, 0.7607405838, 0,
0.5849561111, -0.662820239, -0.4674352136, 0, 0.3307171178, 0.0391653737, 0.94291689, 0, 0.8712121778, -0.4113374369, -0.2679381538, 0, 0.580981015, 0.7021915846, 0.4115677815, 0, 0.503756873, 0.6330056931, -0.5878203852, 0, 0.4493712205, 0.601390195, 0.6606022552, 0, -0.6878403724, 0.09018890807, -0.7202371714, 0, -0.5958956522, -0.6469350577, 0.475797649, 0,
-0.5127052122, 0.1946921978, -0.8361987284, 0, -0.9911507142, -0.05410276466, -0.1212153153, 0, -0.2149721042, 0.9720882117, -0.09397607749, 0, -0.7518650936, -0.5428057603, 0.3742469607, 0, 0.5237068895, 0.8516377189, -0.02107817834, 0, 0.6333504779, 0.1926167129, -0.7495104896, 0, -0.06788241606, 0.3998305789, 0.9140719259, 0, -0.5538628599, -0.4729896695, -0.6852128902, 0,
-0.7261455366, -0.5911990757, 0.3509933228, 0, -0.9229274737, -0.1782808786, 0.3412049336, 0, -0.6968815002, 0.6511274338, 0.3006480328, 0, 0.9608044783, -0.2098363234, -0.1811724921, 0, 0.06817146062, -0.9743405129, 0.2145069156, 0, -0.3577285196, -0.6697087264, -0.6507845481, 0, -0.1868621131, 0.7648617052, -0.6164974636, 0, -0.6541697588, 0.3967914832, 0.6439087246, 0,
0.6993340405, -0.6164538506, 0.3618239211, 0, -0.1546665739, 0.6291283928, 0.7617583057, 0, -0.6841612949, -0.2580482182, -0.6821542638, 0, 0.5383980957, 0.4258654885, 0.7271630328, 0, -0.5026987823, -0.7939832935, -0.3418836993, 0, 0.3202971715, 0.2834415347, 0.9039195862, 0, 0.8683227101, -0.0003762656404, -0.4959995258, 0, 0.791120031, -0.08511045745, 0.6057105799, 0,
-0.04011016052, -0.4397248749, 0.8972364289, 0, 0.9145119872, 0.3579346169, -0.1885487608, 0, -0.9612039066, -0.2756484276, 0.01024666929, 0, 0.6510361721, -0.2877799159, -0.7023778346, 0, -0.2041786351, 0.7365237271, 0.644859585, 0, -0.7718263711, 0.3790626912, 0.5104855816, 0, -0.3060082741, -0.7692987727, 0.5608371729, 0, 0.454007341, -0.5024843065, 0.7357899537, 0,
0.4816795475, 0.6021208291, -0.6367380315, 0, 0.6961980369, -0.3222197429, 0.641469197, 0, -0.6532160499, -0.6781148932, 0.3368515753, 0, 0.5089301236, -0.6154662304, -0.6018234363, 0, -0.1635919754, -0.9133604627, -0.372840892, 0, 0.52408019, -0.8437664109, 0.1157505864, 0, 0.5902587356, 0.4983817807, -0.6349883666, 0, 0.5863227872, 0.494764745, 0.6414307729, 0,
0.6779335087, 0.2341345225, 0.6968408593, 0, 0.7177054546, -0.6858979348, 0.120178631, 0, -0.5328819713, -0.5205125012, 0.6671608058, 0, -0.8654874251, -0.0700727088, -0.4960053754, 0, -0.2861810166, 0.7952089234, 0.5345495242, 0, -0.04849529634, 0.9810836427, -0.1874115585, 0, -0.6358521667, 0.6058348682, 0.4781800233, 0, 0.6254794696, -0.2861619734, 0.7258696564, 0,
-0.2585259868, 0.5061949264, -0.8227581726, 0, 0.02136306781, 0.5064016808, -0.8620330371, 0, 0.200111773, 0.8599263484, 0.4695550591, 0, 0.4743561372, 0.6014985084, -0.6427953014, 0, 0.6622993731, -0.5202474575, -0.5391679918, 0, 0.08084972818, -0.6532720452, 0.7527940996, 0, -0.6893687501, 0.0592860349, 0.7219805347, 0, -0.1121887082, -0.9673185067, 0.2273952515, 0,
0.7344116094, 0.5979668656, -0.3210532909, 0, 0.5789393465, -0.2488849713, 0.7764570201, 0, 0.6988182827, 0.3557169806, -0.6205791146, 0, -0.8636845529, -0.2748771249, -0.4224826141, 0, -0.4247027957, -0.4640880967, 0.777335046, 0, 0.5257722489, -0.8427017621, 0.1158329937, 0, 0.9343830603, 0.316302472, -0.1639543925, 0, -0.1016836419, -0.8057303073, -0.5834887393, 0,
-0.6529238969, 0.50602126, -0.5635892736, 0, -0.2465286165, -0.9668205684, -0.06694497494, 0, -0.9776897119, -0.2099250524, -0.007368825344, 0, 0.7736893337, 0.5734244712, 0.2694238123, 0, -0.6095087895, 0.4995678998, 0.6155736747, 0, 0.5794535482, 0.7434546771, 0.3339292269, 0, -0.8226211154, 0.08142581855, 0.5627293636, 0, -0.510385483, 0.4703667658, 0.7199039967, 0,
-0.5764971849, -0.07231656274, -0.8138926898, 0, 0.7250628871, 0.3949971505, -0.5641463116, 0, -0.1525424005, 0.4860840828, -0.8604958341, 0, -0.5550976208, -0.4957820792, 0.667882296, 0, -0.1883614327, 0.9145869398, 0.357841725, 0, 0.7625556724, -0.5414408243, -0.3540489801, 0, -0.5870231946, -0.3226498013, -0.7424963803, 0, 0.3051124198, 0.2262544068, -0.9250488391, 0,
0.6379576059, 0.577242424, -0.5097070502, 0, -0.5966775796, 0.1454852398, -0.7891830656, 0, -0.658330573, 0.6555487542, -0.3699414651, 0, 0.7434892426, 0.2351084581, 0.6260573129, 0, 0.5562114096, 0.8264360377, -0.0873632843, 0, -0.3028940016, -0.8251527185, 0.4768419182, 0, 0.1129343818, -0.985888439, -0.1235710781, 0, 0.5937652891, -0.5896813806, 0.5474656618, 0,
0.6757964092, -0.5835758614, -0.4502648413, 0, 0.7242302609, -0.1152719764, 0.6798550586, 0, -0.9511914166, 0.0753623979, -0.2992580792, 0, 0.2539470961, -0.1886339355, 0.9486454084, 0, 0.571433621, -0.1679450851, -0.8032795685, 0, -0.06778234979, 0.3978269256, 0.9149531629, 0, 0.6074972649, 0.733060024, -0.3058922593, 0, -0.5435478392, 0.1675822484, 0.8224791405, 0,
-0.5876678086, -0.3380045064, -0.7351186982, 0, -0.7967562402, 0.04097822706, -0.6029098428, 0, -0.1996350917, 0.8706294745, 0.4496111079, 0, -0.02787660336, -0.9106232682, -0.4122962022, 0, -0.7797625996, -0.6257634692, 0.01975775581, 0, -0.5211232846, 0.7401644346, -0.4249554471, 0, 0.8575424857, 0.4053272873, -0.3167501783, 0, 0.1045223322, 0.8390195772, -0.5339674439, 0,
0.3501822831, 0.9242524096, -0.1520850155, 0, 0.1987849858, 0.07647613266, 0.9770547224, 0, 0.7845996363, 0.6066256811, -0.1280964233, 0, 0.09006737436, -0.9750989929, -0.2026569073, 0, -0.8274343547, -0.542299559, 0.1458203587, 0, -0.3485797732, -0.415802277, 0.840000362, 0, -0.2471778936, -0.7304819962, -0.6366310879, 0, -0.3700154943, 0.8577948156, 0.3567584454, 0,
0.5913394901, -0.548311967, -0.5913303597, 0, 0.1204873514, -0.7626472379, -0.6354935001, 0, 0.616959265, 0.03079647928, 0.7863922953, 0, 0.1258156836, -0.6640829889, -0.7369967419, 0, -0.6477565124, -0.1740147258, -0.7417077429, 0, 0.6217889313, -0.7804430448, -0.06547655076, 0, 0.6589943422, -0.6096987708, 0.4404473475, 0, -0.2689837504, -0.6732403169, -0.6887635427, 0,
-0.3849775103, 0.5676542638, 0.7277093879, 0, 0.5754444408, 0.8110471154, -0.1051963504, 0, 0.9141593684, 0.3832947817, 0.131900567, 0, -0.107925319, 0.9245493968, 0.3654593525, 0, 0.377977089, 0.3043148782, 0.8743716458, 0, -0.2142885215, -0.8259286236, 0.5214617324, 0, 0.5802544474, 0.4148098596, -0.7008834116, 0, -0.1982660881, 0.8567161266, -0.4761596756, 0,
-0.03381553704, 0.3773180787, -0.9254661404, 0, -0.6867922841, -0.6656597827, 0.2919133642, 0, 0.7731742607, -0.2875793547, -0.5652430251, 0, -0.09655941928, 0.9193708367, -0.3813575004, 0, 0.2715702457, -0.9577909544, -0.09426605581, 0, 0.2451015704, -0.6917998565, -0.6792188003, 0, 0.977700782, -0.1753855374, 0.1155036542, 0, -0.5224739938, 0.8521606816, 0.02903615945, 0,
-0.7734880599, -0.5261292347, 0.3534179531, 0, -0.7134492443, -0.269547243, 0.6467878011, 0, 0.1644037271, 0.5105846203, -0.8439637196, 0, 0.6494635788, 0.05585611296, 0.7583384168, 0, -0.4711970882, 0.5017280509, -0.7254255765, 0, -0.6335764307, -0.2381686273, -0.7361091029, 0, -0.9021533097, -0.270947803, -0.3357181763, 0, -0.3793711033, 0.872258117, 0.3086152025, 0,
-0.6855598966, -0.3250143309, 0.6514394162, 0, 0.2900942212, -0.7799057743, -0.5546100667, 0, -0.2098319339, 0.85037073, 0.4825351604, 0, -0.4592603758, 0.6598504336, -0.5947077538, 0, 0.8715945488, 0.09616365406, -0.4807031248, 0, -0.6776666319, 0.7118504878, -0.1844907016, 0, 0.7044377633, 0.312427597, 0.637304036, 0, -0.7052318886, -0.2401093292, -0.6670798253, 0,
0.081921007, -0.7207336136, -0.6883545647, 0, -0.6993680906, -0.5875763221, -0.4069869034, 0, -0.1281454481, 0.6419895885, 0.7559286424, 0, -0.6337388239, -0.6785471501, -0.3714146849, 0, 0.5565051903, -0.2168887573, -0.8020356851, 0, -0.5791554484, 0.7244372011, -0.3738578718, 0, 0.1175779076, -0.7096451073, 0.6946792478, 0, -0.6134619607, 0.1323631078, 0.7785527795, 0,
0.6984635305, -0.02980516237, -0.715024719, 0, 0.8318082963, -0.3930171956, 0.3919597455, 0, 0.1469576422, 0.05541651717, -0.9875892167, 0, 0.708868575, -0.2690503865, 0.6520101478, 0, 0.2726053183, 0.67369766, -0.68688995, 0, -0.6591295371, 0.3035458599, -0.6880466294, 0, 0.4815131379, -0.7528270071, 0.4487723203, 0, 0.9430009463, 0.1675647412, -0.2875261255, 0,
0.434802957, 0.7695304522, -0.4677277752, 0, 0.3931996188, 0.594473625, 0.7014236729, 0, 0.7254336655, -0.603925654, 0.3301814672, 0, 0.7590235227, -0.6506083235, 0.02433313207, 0, -0.8552768592, -0.3430042733, 0.3883935666, 0, -0.6139746835, 0.6981725247, 0.3682257648, 0, -0.7465905486, -0.5752009504, 0.3342849376, 0, 0.5730065677, 0.810555537, -0.1210916791, 0,
-0.9225877367, -0.3475211012, -0.167514036, 0, -0.7105816789, -0.4719692027, -0.5218416899, 0, -0.08564609717, 0.3583001386, 0.929669703, 0, -0.8279697606, -0.2043157126, 0.5222271202, 0, 0.427944023, 0.278165994, 0.8599346446, 0, 0.5399079671, -0.7857120652, -0.3019204161, 0, 0.5678404253, -0.5495413974, -0.6128307303, 0, -0.9896071041, 0.1365639107, -0.04503418428, 0,
-0.6154342638, -0.6440875597, 0.4543037336, 0, 0.1074204368, -0.7946340692, 0.5975094525, 0, -0.3595449969, -0.8885529948, 0.28495784, 0, -0.2180405296, 0.1529888965, 0.9638738118, 0, -0.7277432317, -0.6164050508, -0.3007234646, 0, 0.7249729114, -0.00669719484, 0.6887448187, 0, -0.5553659455, -0.5336586252, 0.6377908264, 0, 0.5137558015, 0.7976208196, -0.3160000073, 0,
-0.3794024848, 0.9245608561, -0.03522751494, 0, 0.8229248658, 0.2745365933, -0.4974176556, 0, -0.5404114394, 0.6091141441, 0.5804613989, 0, 0.8036581901, -0.2703029469, 0.5301601931, 0, 0.6044318879, 0.6832968393, 0.4095943388, 0, 0.06389988817, 0.9658208605, -0.2512108074, 0, 0.1087113286, 0.7402471173, -0.6634877936, 0, -0.713427712, -0.6926784018, 0.1059128479, 0,
0.6458897819, -0.5724548511, -0.5050958653, 0, -0.6553931414, 0.7381471625, 0.159995615, 0, 0.3910961323, 0.9188871375, -0.05186755998, 0, -0.4879022471, -0.5904376907, 0.6429111375, 0, 0.6014790094, 0.7707441366, -0.2101820095, 0, -0.5677173047, 0.7511360995, 0.3368851762, 0, 0.7858573506, 0.226674665, 0.5753666838, 0, -0.4520345543, -0.604222686, -0.6561857263, 0,
0.002272116345, 0.4132844051, -0.9105991643, 0, -0.5815751419, -0.5162925989, 0.6286591339, 0, -0.03703704785, 0.8273785755, 0.5604221175, 0, -0.5119692504, 0.7953543429, -0.3244980058, 0, -0.2682417366, -0.9572290247, -0.1084387619, 0, -0.2322482736, -0.9679131102, -0.09594243324, 0, 0.3554328906, -0.8881505545, 0.2913006227, 0, 0.7346520519, -0.4371373164, 0.5188422971, 0,
0.9985120116, 0.04659011161, -0.02833944577, 0, -0.3727687496, -0.9082481361, 0.1900757285, 0, 0.91737377, -0.3483642108, 0.1925298489, 0, 0.2714911074, 0.4147529736, -0.8684886582, 0, 0.5131763485, -0.7116334161, 0.4798207128, 0, -0.8737353606, 0.18886992, -0.4482350644, 0, 0.8460043821, -0.3725217914, 0.3814499973, 0, 0.8978727456, -0.1780209141, -0.4026575304, 0,
0.2178065647, -0.9698322841, -0.1094789531, 0, -0.1518031304, -0.7788918132, -0.6085091231, 0, -0.2600384876, -0.4755398075, -0.8403819825, 0, 0.572313509, -0.7474340931, -0.3373418503, 0, -0.7174141009, 0.1699017182, -0.6756111411, 0, -0.684180784, 0.02145707593, -0.7289967412, 0, -0.2007447902, 0.06555605789, -0.9774476623, 0, -0.1148803697, -0.8044887315, 0.5827524187, 0,
-0.7870349638, 0.03447489231, 0.6159443543, 0, -0.2015596421, 0.6859872284, 0.6991389226, 0, -0.08581082512, -0.10920836, -0.9903080513, 0, 0.5532693395, 0.7325250401, -0.396610771, 0, -0.1842489331, -0.9777375055, -0.1004076743, 0, 0.0775473789, -0.9111505856, 0.4047110257, 0, 0.1399838409, 0.7601631212, -0.6344734459, 0, 0.4484419361, -0.845289248, 0.2904925424, 0
];
_PrimeX = 501125321;
_PrimeY = 1136930381;
_PrimeZ = 1720413743;
/**
* @private
* @param {number} a
* @param {number} b
* @param {number} t
* @returns {number}
*/
static _Lerp(a, b, t) {
return a + t * (b - a);
}
/**
* @private
* @param {number} t
* @returns {number}
*/
static _InterpHermite(t) {
return t * t * (3 - 2 * t);
}
/**
* @private
* @param t
* @returns {number}
*/
static _InterpQuintic(t) {
return t * t * t * (t * (t * 6 - 15) + 10);
}
/**
* @private
* @param {number} a
* @param {number} b
* @param {number} c
* @param {number} d
* @param {number} t
* @returns {number}
*/
static _CubicLerp(a, b, c, d, t) {
let p = d - c - (a - b);
return t * t * t * p + t * t * (a - b - p) + t * (c - a) + b;
}
/**
* @private
* @param {number} t
* @returns {number}
*/
static _PingPong(t) {
t -= Math.trunc(t * 0.5) * 2;
return t < 1 ? t : 2 - t;
}
/**
* @private
*/
_CalculateFractalBounding() {
let gain = Math.abs(this._Gain);
let amp = gain;
let ampFractal = 1.0;
for (let i = 1; i < this._Octaves; i++) {
ampFractal += amp;
amp *= gain;
}
this._FractalBounding = 1 / ampFractal;
}
/**
* @private
* @param {number} seed
* @param {number} xPrimed
* @param {number} yPrimed
* @returns {number}
*/
_HashR2(seed, xPrimed, yPrimed) {
let hash = seed ^ xPrimed ^ yPrimed;
hash = Math.imul(hash, 0x27d4eb2d);
return hash;
}
/**
*
* @param {number} seed
* @param {number} xPrimed
* @param {number} yPrimed
* @param {number} zPrimed
* @returns {number}
*/
_HashR3(seed, xPrimed, yPrimed, zPrimed){
let hash = seed ^ xPrimed ^ yPrimed ^ zPrimed;
hash = Math.imul(hash, 0x27d4eb2d);
return hash;
}
/**
* @private
* @param {number} seed
* @param {number} xPrimed
* @param {number} yPrimed
* @returns {number}
*/
_ValCoordR2(seed, xPrimed, yPrimed) {
let hash = this._HashR2(seed, xPrimed, yPrimed);
hash = Math.imul(hash, hash);
hash ^= hash << 19;
return hash * (1 / 2147483648.0);
}
/**
*
* @param {number} seed
* @param {number} xPrimed
* @param {number} yPrimed
* @param {number} zPrimed
* @returns {number}
*/
_ValCoordR3(seed, xPrimed, yPrimed, zPrimed){
let hash = this._HashR3(seed, xPrimed, yPrimed, zPrimed);
hash = Math.imul(hash, hash);
hash ^= hash << 19;
return hash * (1 / 2147483648.0);
}
/**
*
* @param {number} seed
* @param {number} xPrimed
* @param {number} yPrimed
* @param {number} xd
* @param {number} yd
* @returns {number}
*/
_GradCoordR2(seed, xPrimed, yPrimed, xd, yd) {
let hash = this._HashR2(seed, xPrimed, yPrimed);
hash ^= hash >> 15;
hash &= 127 << 1;
let xg = this._Gradients2D[hash];
let yg = this._Gradients2D[hash | 1];
return xd * xg + yd * yg;
}
/**
*
* @param {number} seed
* @param {number} xPrimed
* @param {number} yPrimed
* @param {number} zPrimed
* @param {number} xd
* @param {number} yd
* @param {number} zd
* @returns {number}
*/
_GradCoordR3(seed, xPrimed, yPrimed, zPrimed, xd, yd, zd) {
let hash = this._HashR3(seed, xPrimed, yPrimed, zPrimed);
hash ^= hash >> 15;
hash &= 63 << 2;
let xg = this._Gradients3D[hash];
let yg = this._Gradients3D[hash | 1];
let zg = this._Gradients3D[hash | 2];
return xd * xg + yd * yg + zd * zg;
}
/**
* @private
* @param {number} seed
* @param {number} x
* @param {number} y
* @returns {number}
*/
_GenNoiseSingleR2(seed, x, y) {
switch (this._NoiseType) {
case FastNoiseLite.NoiseType.OpenSimplex2:
return this._SingleOpenSimplex2R2(seed, x, y);
case FastNoiseLite.NoiseType.OpenSimplex2S:
return this._SingleOpenSimplex2SR2(seed, x, y);
case FastNoiseLite.NoiseType.Cellular:
return this._SingleCellularR2(seed, x, y);
case FastNoiseLite.NoiseType.Perlin:
return this._SinglePerlinR2(seed, x, y);
case FastNoiseLite.NoiseType.ValueCubic:
return this._SingleValueCubicR2(seed, x, y);
case FastNoiseLite.NoiseType.Value:
return this._SingleValueR2(seed, x, y);
default:
return 0;
}
}
/**
* @private
* @param {number} seed
* @param {number} x
* @param {number} y
* @param {number} z
* @returns {number}
*/
_GenNoiseSingleR3(seed, x, y, z){
switch (this._NoiseType) {
case FastNoiseLite.NoiseType.OpenSimplex2:
return this._SingleOpenSimplex2R3(seed, x, y, z);
case FastNoiseLite.NoiseType.OpenSimplex2S:
return this._SingleOpenSimplex2SR3(seed, x, y, z);
case FastNoiseLite.NoiseType.Cellular:
return this._SingleCellularR3(seed, x, y, z);
case FastNoiseLite.NoiseType.Perlin:
return this._SinglePerlinR3(seed, x, y, z);
case FastNoiseLite.NoiseType.ValueCubic:
return this._SingleValueCubicR3(seed, x, y, z);
case FastNoiseLite.NoiseType.Value:
return this._SingleValueR3(seed, x, y, z);
default:
return 0;
}
}
/**
* @private
*/
_UpdateTransformType3D() {
switch (this._RotationType3D) {
case FastNoiseLite.RotationType3D.ImproveXYPlanes:
this._TransformType3D = FastNoiseLite.TransformType3D.ImproveXYPlanes;
break;
case FastNoiseLite.RotationType3D.ImproveXZPlanes:
this._TransformType3D = FastNoiseLite.TransformType3D.ImproveXZPlanes;
break;
default:
switch (this._NoiseType) {
case FastNoiseLite.NoiseType.OpenSimplex2:
case FastNoiseLite.NoiseType.OpenSimplex2S:
this._TransformType3D = FastNoiseLite.TransformType3D.DefaultOpenSimplex2;
break;
default:
this._TransformType3D = FastNoiseLite.TransformType3D.None;
break;
}
break;
}
}
/**
* @private
*/
_UpdateWarpTransformType3D() {
switch (this._RotationType3D) {
case FastNoiseLite.RotationType3D.ImproveXYPlanes:
this._WarpTransformType3D = FastNoiseLite.TransformType3D.ImproveXYPlanes;
break;
case FastNoiseLite.RotationType3D.ImproveXZPlanes:
this._WarpTransformType3D = FastNoiseLite.TransformType3D.ImproveXZPlanes;
break;
default:
switch (this._DomainWarpType) {
case FastNoiseLite.DomainWarpType.OpenSimplex2:
case FastNoiseLite.DomainWarpType.OpenSimplex2Reduced:
this._WarpTransformType3D = FastNoiseLite.TransformType3D.DefaultOpenSimplex2;
break;
default:
this._WarpTransformType3D = FastNoiseLite.TransformType3D.None;
break;
}
break;
}
}
/**
* @private
* @param {number} x
* @param {number} y
* @returns {number}
*/
_GenFractalFBmR2(x,y) {
let seed = this._Seed;
let sum = 0;
let amp = this._FractalBounding;
for (let i = 0; i < this._Octaves; i++) {
let noise = this._GenNoiseSingleR2(seed++, x, y);
sum += noise * amp;
amp *= FastNoiseLite._Lerp(1.0, Math.min(noise + 1, 2) * 0.5, this._WeightedStrength);
x *= this._Lacunarity;
y *= this._Lacunarity;
amp *= this._Gain;
}
return sum;
}
/**
* @private
* @param {number} x
* @param {number} y
* @param {number} z
* @returns {number}
*/
_GenFractalFBmR3(x,y,z){
let seed = this._Seed;
let sum = 0;
let amp = this._FractalBounding;
for (let i = 0; i < this._Octaves; i++) {
let noise = this._GenNoiseSingleR3(seed++, x, y, z);
sum += noise * amp;
amp *= FastNoiseLite._Lerp(1.0, (noise + 1) * 0.5, this._WeightedStrength);
x *= this._Lacunarity;
y *= this._Lacunarity;
z *= this._Lacunarity;
amp *= this._Gain;
}
return sum;
}
/**
* @private
* @param {number} x
* @param {number} y
* @returns {number}
*/
_GenFractalRidgedR2(x,y) {
let seed = this._Seed;
let sum = 0;
let amp = this._FractalBounding;
for (let i = 0; i < this._Octaves; i++) {
let noise = Math.abs(this._GenNoiseSingleR2(seed++, x, y));
sum += (noise * -2 + 1) * amp;
amp *= FastNoiseLite._Lerp(1.0, 1 - noise, this._WeightedStrength);
x *= this._Lacunarity;
y *= this._Lacunarity;
amp *= this._Gain;
}
return sum;
}
/**
* @private
* @param {number} x
* @param {number} y
* @param {number} z
* @returns {number}
*/
_GenFractalRidgedR3(x,y,z){
let seed = this._Seed;
let sum = 0;
let amp = this._FractalBounding;
for (let i = 0; i < this._Octaves; i++) {
let noise = Math.abs(this._GenNoiseSingleR3(seed++, x, y, z));
sum += (noise * -2 + 1) * amp;
amp *= FastNoiseLite._Lerp(1.0, 1 - noise, this._WeightedStrength);
x *= this._Lacunarity;
y *= this._Lacunarity;
z *= this._Lacunarity;
amp *= this._Gain;
}
return sum;
}
/**
* @private
* @param {number} x
* @param {number} y
* @returns {number}
*/
_GenFractalPingPongR2(x,y) {
let seed = this._Seed;
let sum = 0;
let amp = this._FractalBounding;