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											2022-03-20 14:53:45 +01:00
										 |  |  | // MIT License
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							|  |  |  | //
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							|  |  |  | // Copyright(c) 2020 Jordan Peck (jordan.me2@gmail.com)
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							|  |  |  | // Copyright(c) 2020 Contributors
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							|  |  |  | //
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							|  |  |  | // Permission is hereby granted, free of charge, to any person obtaining a copy
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							|  |  |  | // of this software and associated documentation files(the "Software"), to deal
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							|  |  |  | // in the Software without restriction, including without limitation the rights
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							|  |  |  | // to use, copy, modify, merge, publish, distribute, sublicense, and / or sell
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							|  |  |  | // copies of the Software, and to permit persons to whom the Software is
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							|  |  |  | // furnished to do so, subject to the following conditions :
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							|  |  |  | //
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							|  |  |  | // The above copyright notice and this permission notice shall be included in all
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							|  |  |  | // copies or substantial portions of the Software.
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							|  |  |  | //
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							|  |  |  | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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							|  |  |  | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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							|  |  |  | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE
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							|  |  |  | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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							|  |  |  | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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							|  |  |  | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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							|  |  |  | // SOFTWARE.
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							|  |  |  | //
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							|  |  |  | // .'',;:cldxkO00KKXXNNWWWNNXKOkxdollcc::::::;:::ccllloooolllllllllooollc:,'...        ...........',;cldxkO000Okxdlc::;;;,,;;;::cclllllll
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							|  |  |  | // ..',;:ldxO0KXXNNNNNNNNXXK0kxdolcc::::::;;;,,,,,,;;;;;;;;;;:::cclllllc:;'....       ...........',;:ldxO0KXXXK0Okxdolc::;;;;::cllodddddo
 | 
					
						
							|  |  |  | // ...',:loxO0KXNNNNNXXKK0Okxdolc::;::::::::;;;,,'''''.....''',;:clllllc:;,'............''''''''',;:loxO0KXNNNNNXK0Okxdollccccllodxxxxxxd
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							|  |  |  | // ....';:ldkO0KXXXKK00Okxdolcc:;;;;;::cclllcc:;;,''..... ....',;clooddolcc:;;;;,,;;;;;::::;;;;;;:cloxk0KXNWWWWWWNXKK0Okxddoooddxxkkkkkxx
 | 
					
						
							|  |  |  | // .....';:ldxkOOOOOkxxdolcc:;;;,,,;;:cllooooolcc:;'...      ..,:codxkkkxddooollloooooooollcc:::::clodkO0KXNWWWWWWNNXK00Okxxxxxxxxkkkkxxx
 | 
					
						
							|  |  |  | // . ....';:cloddddo___________,,,,;;:clooddddoolc:,...      ..,:ldx__00OOOkkk___kkkkkkxxdollc::::cclodkO0KXXNNNNNNXXK0OOkxxxxxxxxxxxxddd
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							|  |  |  | // .......',;:cccc:|           |,,,;;:cclooddddoll:;'..     ..';cox|  \KKK000|   |KK00OOkxdocc___;::clldxxkO0KKKKK00Okkxdddddddddddddddoo
 | 
					
						
							|  |  |  | // .......'',,,,,''|   ________|',,;;::cclloooooolc:;'......___:ldk|   \KK000|   |XKKK0Okxolc|   |;;::cclodxxkkkkxxdoolllcclllooodddooooo
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							|  |  |  | // ''......''''....|   |  ....'',,,,;;;::cclloooollc:;,''.'|   |oxk|    \OOO0|   |KKK00Oxdoll|___|;;;;;::ccllllllcc::;;,,;;;:cclloooooooo
 | 
					
						
							|  |  |  | // ;;,''.......... |   |_____',,;;;____:___cllo________.___|   |___|     \xkk|   |KK_______ool___:::;________;;;_______...'',;;:ccclllloo
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							|  |  |  | // c:;,''......... |         |:::/     '   |lo/        |           |      \dx|   |0/       \d|   |cc/        |'/       \......',,;;:ccllo
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							|  |  |  | // ol:;,'..........|    _____|ll/    __    |o/   ______|____    ___|   |   \o|   |/   ___   \|   |o/   ______|/   ___   \ .......'',;:clo
 | 
					
						
							|  |  |  | // dlc;,...........|   |::clooo|    /  |   |x\___   \KXKKK0|   |dol|   |\   \|   |   |   |   |   |d\___   \..|   |  /   /       ....',:cl
 | 
					
						
							|  |  |  | // xoc;'...  .....'|   |llodddd|    \__|   |_____\   \KKK0O|   |lc:|   |'\       |   |___|   |   |_____\   \.|   |_/___/...      ...',;:c
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							|  |  |  | // dlc;'... ....',;|   |oddddddo\          |          |Okkx|   |::;|   |..\      |\         /|   |          | \         |...    ....',;:c
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							|  |  |  | // ol:,'.......',:c|___|xxxddollc\_____,___|_________/ddoll|___|,,,|___|...\_____|:\ ______/l|___|_________/...\________|'........',;::cc
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							|  |  |  | // c:;'.......';:codxxkkkkxxolc::;::clodxkOO0OOkkxdollc::;;,,''''',,,,''''''''''',,'''''',;:loxkkOOkxol:;,'''',,;:ccllcc:;,'''''',;::ccll
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							|  |  |  | // ;,'.......',:codxkOO0OOkxdlc:;,,;;:cldxxkkxxdolc:;;,,''.....'',;;:::;;,,,'''''........,;cldkO0KK0Okdoc::;;::cloodddoolc:;;;;;::ccllooo
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							|  |  |  | // .........',;:lodxOO0000Okdoc:,,',,;:clloddoolc:;,''.......'',;:clooollc:;;,,''.......',:ldkOKXNNXX0Oxdolllloddxxxxxxdolccccccllooodddd
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							|  |  |  | // .    .....';:cldxkO0000Okxol:;,''',,;::cccc:;,,'.......'',;:cldxxkkxxdolc:;;,'.......';coxOKXNWWWNXKOkxddddxxkkkkkkxdoollllooddxxxxkkk
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							|  |  |  | //       ....',;:codxkO000OOxdoc:;,''',,,;;;;,''.......',,;:clodkO00000Okxolc::;,,''..',;:ldxOKXNWWWNNK0OkkkkkkkkkkkxxddooooodxxkOOOOO000
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							|  |  |  | //       ....',;;clodxkkOOOkkdolc:;,,,,,,,,'..........,;:clodxkO0KKXKK0Okxdolcc::;;,,,;;:codkO0XXNNNNXKK0OOOOOkkkkxxdoollloodxkO0KKKXXXXX
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							|  |  |  | //
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							|  |  |  | // VERSION: 1.0.1
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							|  |  |  | // https://github.com/Auburn/FastNoise
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							|  |  |  | 
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							|  |  |  | #ifndef FASTNOISELITE_H
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							|  |  |  | #define FASTNOISELITE_H
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							|  |  |  | 
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							|  |  |  | #include <cmath>
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							|  |  |  | 
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							|  |  |  | namespace fastnoiselite{ | 
					
						
							|  |  |  | 
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							|  |  |  | class FastNoiseLite | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  | public: | 
					
						
							|  |  |  |     enum NoiseType | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         NoiseType_OpenSimplex2, | 
					
						
							|  |  |  |         NoiseType_OpenSimplex2S, | 
					
						
							|  |  |  |         NoiseType_Cellular, | 
					
						
							|  |  |  |         NoiseType_Perlin, | 
					
						
							|  |  |  |         NoiseType_ValueCubic, | 
					
						
							|  |  |  |         NoiseType_Value | 
					
						
							|  |  |  |     }; | 
					
						
							|  |  |  | 
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							|  |  |  |     enum RotationType3D | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         RotationType3D_None, | 
					
						
							|  |  |  |         RotationType3D_ImproveXYPlanes, | 
					
						
							|  |  |  |         RotationType3D_ImproveXZPlanes | 
					
						
							|  |  |  |     }; | 
					
						
							|  |  |  | 
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							|  |  |  |     enum FractalType | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         FractalType_None, | 
					
						
							|  |  |  |         FractalType_FBm, | 
					
						
							|  |  |  |         FractalType_Ridged, | 
					
						
							|  |  |  |         FractalType_PingPong, | 
					
						
							|  |  |  |         FractalType_DomainWarpProgressive, | 
					
						
							|  |  |  |         FractalType_DomainWarpIndependent | 
					
						
							|  |  |  |     }; | 
					
						
							|  |  |  | 
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							|  |  |  |     enum CellularDistanceFunction | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         CellularDistanceFunction_Euclidean, | 
					
						
							|  |  |  |         CellularDistanceFunction_EuclideanSq, | 
					
						
							|  |  |  |         CellularDistanceFunction_Manhattan, | 
					
						
							|  |  |  |         CellularDistanceFunction_Hybrid | 
					
						
							|  |  |  |     }; | 
					
						
							|  |  |  | 
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							|  |  |  |     enum CellularReturnType | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         CellularReturnType_CellValue, | 
					
						
							|  |  |  |         CellularReturnType_Distance, | 
					
						
							|  |  |  |         CellularReturnType_Distance2, | 
					
						
							|  |  |  |         CellularReturnType_Distance2Add, | 
					
						
							|  |  |  |         CellularReturnType_Distance2Sub, | 
					
						
							|  |  |  |         CellularReturnType_Distance2Mul, | 
					
						
							|  |  |  |         CellularReturnType_Distance2Div | 
					
						
							|  |  |  |     }; | 
					
						
							|  |  |  | 
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							|  |  |  |     enum DomainWarpType | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         DomainWarpType_OpenSimplex2, | 
					
						
							|  |  |  |         DomainWarpType_OpenSimplex2Reduced, | 
					
						
							|  |  |  |         DomainWarpType_BasicGrid | 
					
						
							|  |  |  |     }; | 
					
						
							|  |  |  | 
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							|  |  |  |     /// <summary>
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							|  |  |  |     /// Create new FastNoise object with optional seed
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							|  |  |  |     /// </summary>
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							|  |  |  |     FastNoiseLite(int seed = 1337) | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         mSeed = seed; | 
					
						
							|  |  |  |         mFrequency = 0.01f; | 
					
						
							|  |  |  |         mNoiseType = NoiseType_OpenSimplex2; | 
					
						
							|  |  |  |         mRotationType3D = RotationType3D_None; | 
					
						
							|  |  |  |         mTransformType3D = TransformType3D_DefaultOpenSimplex2; | 
					
						
							|  |  |  | 
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							|  |  |  |         mFractalType = FractalType_None; | 
					
						
							|  |  |  |         mOctaves = 3; | 
					
						
							|  |  |  |         mLacunarity = 2.0f; | 
					
						
							|  |  |  |         mGain = 0.5f; | 
					
						
							|  |  |  |         mWeightedStrength = 0.0f; | 
					
						
							|  |  |  |         mPingPongStrength = 2.0f; | 
					
						
							|  |  |  | 
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							|  |  |  |         mFractalBounding = 1 / 1.75f; | 
					
						
							|  |  |  | 
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							|  |  |  |         mCellularDistanceFunction = CellularDistanceFunction_EuclideanSq; | 
					
						
							|  |  |  |         mCellularReturnType = CellularReturnType_Distance; | 
					
						
							|  |  |  |         mCellularJitterModifier = 1.0f; | 
					
						
							|  |  |  | 
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							|  |  |  |         mDomainWarpType = DomainWarpType_OpenSimplex2; | 
					
						
							|  |  |  |         mWarpTransformType3D = TransformType3D_DefaultOpenSimplex2; | 
					
						
							|  |  |  |         mDomainWarpAmp = 1.0f; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
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							|  |  |  |     /// <summary>
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							|  |  |  |     /// Sets seed used for all noise types
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							|  |  |  |     /// </summary>
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							|  |  |  |     /// <remarks>
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							|  |  |  |     /// Default: 1337
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							|  |  |  |     /// </remarks>
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							|  |  |  |     void SetSeed(int seed) { mSeed = seed; } | 
					
						
							|  |  |  | 
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							|  |  |  |     /// <summary>
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							|  |  |  |     /// Sets frequency for all noise types
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							|  |  |  |     /// </summary>
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							|  |  |  |     /// <remarks>
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							|  |  |  |     /// Default: 0.01
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							|  |  |  |     /// </remarks>
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							|  |  |  |     void SetFrequency(float frequency) { mFrequency = frequency; } | 
					
						
							|  |  |  | 
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							|  |  |  |     /// <summary>
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							|  |  |  |     /// Sets noise algorithm used for GetNoise(...)
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							|  |  |  |     /// </summary>
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							|  |  |  |     /// <remarks>
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							|  |  |  |     /// Default: OpenSimplex2
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							|  |  |  |     /// </remarks>
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							|  |  |  |     void SetNoiseType(NoiseType noiseType) | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         mNoiseType = noiseType; | 
					
						
							|  |  |  |         UpdateTransformType3D(); | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
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							|  |  |  |     /// <summary>
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							|  |  |  |     /// Sets domain rotation type for 3D Noise and 3D DomainWarp.
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							|  |  |  |     /// Can aid in reducing directional artifacts when sampling a 2D plane in 3D
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							|  |  |  |     /// </summary>
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							|  |  |  |     /// <remarks>
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							|  |  |  |     /// Default: None
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							|  |  |  |     /// </remarks>
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							|  |  |  |     void SetRotationType3D(RotationType3D rotationType3D) | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         mRotationType3D = rotationType3D; | 
					
						
							|  |  |  |         UpdateTransformType3D(); | 
					
						
							|  |  |  |         UpdateWarpTransformType3D(); | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
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							|  |  |  |     /// <summary>
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							|  |  |  |     /// Sets method for combining octaves in all fractal noise types
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							|  |  |  |     /// </summary>
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							|  |  |  |     /// <remarks>
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							|  |  |  |     /// Default: None
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							|  |  |  |     /// Note: FractalType_DomainWarp... only affects DomainWarp(...)
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							|  |  |  |     /// </remarks>
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							|  |  |  |     void SetFractalType(FractalType fractalType) { mFractalType = fractalType; } | 
					
						
							|  |  |  | 
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							|  |  |  |     /// <summary>
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							|  |  |  |     /// Sets octave count for all fractal noise types 
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							|  |  |  |     /// </summary>
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							|  |  |  |     /// <remarks>
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							|  |  |  |     /// Default: 3
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							|  |  |  |     /// </remarks>
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							|  |  |  |     void SetFractalOctaves(int octaves) | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         mOctaves = octaves; | 
					
						
							|  |  |  |         CalculateFractalBounding(); | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
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							|  |  |  |     /// <summary>
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							|  |  |  |     /// Sets octave lacunarity for all fractal noise types
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							|  |  |  |     /// </summary>
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							|  |  |  |     /// <remarks>
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							|  |  |  |     /// Default: 2.0
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							|  |  |  |     /// </remarks>
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							|  |  |  |     void SetFractalLacunarity(float lacunarity) { mLacunarity = lacunarity; } | 
					
						
							|  |  |  | 
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							|  |  |  |     /// <summary>
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							|  |  |  |     /// Sets octave gain for all fractal noise types
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							|  |  |  |     /// </summary>
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							|  |  |  |     /// <remarks>
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							|  |  |  |     /// Default: 0.5
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							|  |  |  |     /// </remarks>
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							|  |  |  |     void SetFractalGain(float gain) | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         mGain = gain; | 
					
						
							|  |  |  |         CalculateFractalBounding(); | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
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							|  |  |  |     /// <summary>
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							|  |  |  |     /// Sets octave weighting for all none DomainWarp fratal types
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							|  |  |  |     /// </summary>
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							|  |  |  |     /// <remarks>
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							|  |  |  |     /// Default: 0.0
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							|  |  |  |     /// Note: Keep between 0...1 to maintain -1...1 output bounding
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							|  |  |  |     /// </remarks>
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							|  |  |  |     void SetFractalWeightedStrength(float weightedStrength) { mWeightedStrength = weightedStrength; } | 
					
						
							|  |  |  | 
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							|  |  |  |     /// <summary>
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							|  |  |  |     /// Sets strength of the fractal ping pong effect
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							|  |  |  |     /// </summary>
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							|  |  |  |     /// <remarks>
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							|  |  |  |     /// Default: 2.0
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							|  |  |  |     /// </remarks>
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							|  |  |  |     void SetFractalPingPongStrength(float pingPongStrength) { mPingPongStrength = pingPongStrength; } | 
					
						
							|  |  |  | 
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							|  |  |  | 
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							|  |  |  |     /// <summary>
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							|  |  |  |     /// Sets distance function used in cellular noise calculations
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							|  |  |  |     /// </summary>
 | 
					
						
							|  |  |  |     /// <remarks>
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							|  |  |  |     /// Default: Distance
 | 
					
						
							|  |  |  |     /// </remarks>
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							|  |  |  |     void SetCellularDistanceFunction(CellularDistanceFunction cellularDistanceFunction) { mCellularDistanceFunction = cellularDistanceFunction; } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     /// <summary>
 | 
					
						
							|  |  |  |     /// Sets return type from cellular noise calculations
 | 
					
						
							|  |  |  |     /// </summary>
 | 
					
						
							|  |  |  |     /// <remarks>
 | 
					
						
							|  |  |  |     /// Default: EuclideanSq
 | 
					
						
							|  |  |  |     /// </remarks>
 | 
					
						
							|  |  |  |     void SetCellularReturnType(CellularReturnType cellularReturnType) { mCellularReturnType = cellularReturnType; } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     /// <summary>
 | 
					
						
							|  |  |  |     /// Sets the maximum distance a cellular point can move from it's grid position
 | 
					
						
							|  |  |  |     /// </summary>
 | 
					
						
							|  |  |  |     /// <remarks>
 | 
					
						
							|  |  |  |     /// Default: 1.0
 | 
					
						
							|  |  |  |     /// Note: Setting this higher than 1 will cause artifacts
 | 
					
						
							|  |  |  |     /// </remarks> 
 | 
					
						
							|  |  |  |     void SetCellularJitter(float cellularJitter) { mCellularJitterModifier = cellularJitter; } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
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							|  |  |  |     /// <summary>
 | 
					
						
							|  |  |  |     /// Sets the warp algorithm when using DomainWarp(...)
 | 
					
						
							|  |  |  |     /// </summary>
 | 
					
						
							|  |  |  |     /// <remarks>
 | 
					
						
							|  |  |  |     /// Default: OpenSimplex2
 | 
					
						
							|  |  |  |     /// </remarks>
 | 
					
						
							|  |  |  |     void SetDomainWarpType(DomainWarpType domainWarpType) | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         mDomainWarpType = domainWarpType; | 
					
						
							|  |  |  |         UpdateWarpTransformType3D(); | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     /// <summary>
 | 
					
						
							|  |  |  |     /// Sets the maximum warp distance from original position when using DomainWarp(...)
 | 
					
						
							|  |  |  |     /// </summary>
 | 
					
						
							|  |  |  |     /// <remarks>
 | 
					
						
							|  |  |  |     /// Default: 1.0
 | 
					
						
							|  |  |  |     /// </remarks>
 | 
					
						
							|  |  |  |     void SetDomainWarpAmp(float domainWarpAmp) { mDomainWarpAmp = domainWarpAmp; } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     /// <summary>
 | 
					
						
							|  |  |  |     /// 2D noise at given position using current settings
 | 
					
						
							|  |  |  |     /// </summary>
 | 
					
						
							|  |  |  |     /// <returns>
 | 
					
						
							|  |  |  |     /// Noise output bounded between -1...1
 | 
					
						
							|  |  |  |     /// </returns>
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float GetNoise(FNfloat x, FNfloat y) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         Arguments_must_be_floating_point_values<FNfloat>(); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         TransformNoiseCoordinate(x, y); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         switch (mFractalType) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |         default: | 
					
						
							|  |  |  |             return GenNoiseSingle(mSeed, x, y); | 
					
						
							|  |  |  |         case FractalType_FBm: | 
					
						
							|  |  |  |             return GenFractalFBm(x, y); | 
					
						
							|  |  |  |         case FractalType_Ridged: | 
					
						
							|  |  |  |             return GenFractalRidged(x, y); | 
					
						
							|  |  |  |         case FractalType_PingPong: | 
					
						
							|  |  |  |             return GenFractalPingPong(x, y); | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     /// <summary>
 | 
					
						
							|  |  |  |     /// 3D noise at given position using current settings
 | 
					
						
							|  |  |  |     /// </summary>
 | 
					
						
							|  |  |  |     /// <returns>
 | 
					
						
							|  |  |  |     /// Noise output bounded between -1...1
 | 
					
						
							|  |  |  |     /// </returns>
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float GetNoise(FNfloat x, FNfloat y, FNfloat z) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         Arguments_must_be_floating_point_values<FNfloat>(); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         TransformNoiseCoordinate(x, y, z); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         switch (mFractalType) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |         default: | 
					
						
							|  |  |  |             return GenNoiseSingle(mSeed, x, y, z); | 
					
						
							|  |  |  |         case FractalType_FBm: | 
					
						
							|  |  |  |             return GenFractalFBm(x, y, z); | 
					
						
							|  |  |  |         case FractalType_Ridged: | 
					
						
							|  |  |  |             return GenFractalRidged(x, y, z); | 
					
						
							|  |  |  |         case FractalType_PingPong: | 
					
						
							|  |  |  |             return GenFractalPingPong(x, y, z); | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     /// <summary>
 | 
					
						
							|  |  |  |     /// 2D warps the input position using current domain warp settings
 | 
					
						
							|  |  |  |     /// </summary>
 | 
					
						
							|  |  |  |     /// <example>
 | 
					
						
							|  |  |  |     /// Example usage with GetNoise
 | 
					
						
							|  |  |  |     /// <code>DomainWarp(x, y)
 | 
					
						
							|  |  |  |     /// noise = GetNoise(x, y)</code>
 | 
					
						
							|  |  |  |     /// </example>
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void DomainWarp(FNfloat& x, FNfloat& y) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         Arguments_must_be_floating_point_values<FNfloat>(); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         switch (mFractalType) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |         default: | 
					
						
							|  |  |  |             DomainWarpSingle(x, y); | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         case FractalType_DomainWarpProgressive: | 
					
						
							|  |  |  |             DomainWarpFractalProgressive(x, y); | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         case FractalType_DomainWarpIndependent: | 
					
						
							|  |  |  |             DomainWarpFractalIndependent(x, y); | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     /// <summary>
 | 
					
						
							|  |  |  |     /// 3D warps the input position using current domain warp settings
 | 
					
						
							|  |  |  |     /// </summary>
 | 
					
						
							|  |  |  |     /// <example>
 | 
					
						
							|  |  |  |     /// Example usage with GetNoise
 | 
					
						
							|  |  |  |     /// <code>DomainWarp(x, y, z)
 | 
					
						
							|  |  |  |     /// noise = GetNoise(x, y, z)</code>
 | 
					
						
							|  |  |  |     /// </example>
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void DomainWarp(FNfloat& x, FNfloat& y, FNfloat& z) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         Arguments_must_be_floating_point_values<FNfloat>(); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         switch (mFractalType) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |         default: | 
					
						
							|  |  |  |             DomainWarpSingle(x, y, z); | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         case FractalType_DomainWarpProgressive: | 
					
						
							|  |  |  |             DomainWarpFractalProgressive(x, y, z); | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         case FractalType_DomainWarpIndependent: | 
					
						
							|  |  |  |             DomainWarpFractalIndependent(x, y, z); | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | private: | 
					
						
							|  |  |  |     template <typename T> | 
					
						
							|  |  |  |     struct Arguments_must_be_floating_point_values; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     enum TransformType3D | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         TransformType3D_None, | 
					
						
							|  |  |  |         TransformType3D_ImproveXYPlanes, | 
					
						
							|  |  |  |         TransformType3D_ImproveXZPlanes, | 
					
						
							|  |  |  |         TransformType3D_DefaultOpenSimplex2 | 
					
						
							|  |  |  |     }; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     int mSeed; | 
					
						
							|  |  |  |     float mFrequency; | 
					
						
							|  |  |  |     NoiseType mNoiseType; | 
					
						
							|  |  |  |     RotationType3D mRotationType3D; | 
					
						
							|  |  |  |     TransformType3D mTransformType3D; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     FractalType mFractalType; | 
					
						
							|  |  |  |     int mOctaves; | 
					
						
							|  |  |  |     float mLacunarity; | 
					
						
							|  |  |  |     float mGain; | 
					
						
							|  |  |  |     float mWeightedStrength; | 
					
						
							|  |  |  |     float mPingPongStrength; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     float mFractalBounding; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     CellularDistanceFunction mCellularDistanceFunction; | 
					
						
							|  |  |  |     CellularReturnType mCellularReturnType; | 
					
						
							|  |  |  |     float mCellularJitterModifier; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     DomainWarpType mDomainWarpType; | 
					
						
							|  |  |  |     TransformType3D mWarpTransformType3D; | 
					
						
							|  |  |  |     float mDomainWarpAmp; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename T> | 
					
						
							|  |  |  |     struct Lookup | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         static const T Gradients2D[]; | 
					
						
							|  |  |  |         static const T Gradients3D[]; | 
					
						
							|  |  |  |         static const T RandVecs2D[]; | 
					
						
							|  |  |  |         static const T RandVecs3D[]; | 
					
						
							|  |  |  |     }; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     static float FastMin(float a, float b) { return a < b ? a : b; } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     static float FastMax(float a, float b) { return a > b ? a : b; } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     static float FastAbs(float f) { return f < 0 ? -f : f; } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     static float FastSqrt(float f) { return sqrtf(f); } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							|  |  |  |     static int FastFloor(FNfloat f) { return f >= 0 ? (int)f : (int)f - 1; } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							|  |  |  |     static int FastRound(FNfloat f) { return f >= 0 ? (int)(f + 0.5f) : (int)(f - 0.5f); } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     static float Lerp(float a, float b, float t) { return a + t * (b - a); } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     static float InterpHermite(float t) { return t * t * (3 - 2 * t); } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     static float InterpQuintic(float t) { return t * t * t * (t * (t * 6 - 15) + 10); } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     static float CubicLerp(float a, float b, float c, float d, float t) | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         float p = (d - c) - (a - b); | 
					
						
							|  |  |  |         return t * t * t * p + t * t * ((a - b) - p) + t * (c - a) + b; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     static float PingPong(float t) | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         t -= (int)(t * 0.5f) * 2; | 
					
						
							|  |  |  |         return t < 1 ? t : 2 - t; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     void CalculateFractalBounding() | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         float gain = FastAbs(mGain); | 
					
						
							|  |  |  |         float amp = gain; | 
					
						
							|  |  |  |         float ampFractal = 1.0f; | 
					
						
							|  |  |  |         for (int i = 1; i < mOctaves; i++) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             ampFractal += amp; | 
					
						
							|  |  |  |             amp *= gain; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         mFractalBounding = 1 / ampFractal; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     // Hashing
 | 
					
						
							|  |  |  |     static const int PrimeX = 501125321; | 
					
						
							|  |  |  |     static const int PrimeY = 1136930381; | 
					
						
							|  |  |  |     static const int PrimeZ = 1720413743; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     static int Hash(int seed, int xPrimed, int yPrimed) | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         int hash = seed ^ xPrimed ^ yPrimed; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         hash *= 0x27d4eb2d; | 
					
						
							|  |  |  |         return hash; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     static int Hash(int seed, int xPrimed, int yPrimed, int zPrimed) | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         int hash = seed ^ xPrimed ^ yPrimed ^ zPrimed; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         hash *= 0x27d4eb2d; | 
					
						
							|  |  |  |         return hash; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     static float ValCoord(int seed, int xPrimed, int yPrimed) | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         int hash = Hash(seed, xPrimed, yPrimed); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         hash *= hash; | 
					
						
							|  |  |  |         hash ^= hash << 19; | 
					
						
							|  |  |  |         return hash * (1 / 2147483648.0f); | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     static float ValCoord(int seed, int xPrimed, int yPrimed, int zPrimed) | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         int hash = Hash(seed, xPrimed, yPrimed, zPrimed); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         hash *= hash; | 
					
						
							|  |  |  |         hash ^= hash << 19; | 
					
						
							|  |  |  |         return hash * (1 / 2147483648.0f); | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float GradCoord(int seed, int xPrimed, int yPrimed, float xd, float yd) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int hash = Hash(seed, xPrimed, yPrimed); | 
					
						
							|  |  |  |         hash ^= hash >> 15; | 
					
						
							|  |  |  |         hash &= 127 << 1; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float xg = Lookup<float>::Gradients2D[hash]; | 
					
						
							|  |  |  |         float yg = Lookup<float>::Gradients2D[hash | 1]; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         return xd * xg + yd * yg; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float GradCoord(int seed, int xPrimed, int yPrimed, int zPrimed, float xd, float yd, float zd) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int hash = Hash(seed, xPrimed, yPrimed, zPrimed); | 
					
						
							|  |  |  |         hash ^= hash >> 15; | 
					
						
							|  |  |  |         hash &= 63 << 2; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float xg = Lookup<float>::Gradients3D[hash]; | 
					
						
							|  |  |  |         float yg = Lookup<float>::Gradients3D[hash | 1]; | 
					
						
							|  |  |  |         float zg = Lookup<float>::Gradients3D[hash | 2]; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         return xd * xg + yd * yg + zd * zg; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void GradCoordOut(int seed, int xPrimed, int yPrimed, float& xo, float& yo) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int hash = Hash(seed, xPrimed, yPrimed) & (255 << 1); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         xo = Lookup<float>::RandVecs2D[hash]; | 
					
						
							|  |  |  |         yo = Lookup<float>::RandVecs2D[hash | 1]; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void GradCoordOut(int seed, int xPrimed, int yPrimed, int zPrimed, float& xo, float& yo, float& zo) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int hash = Hash(seed, xPrimed, yPrimed, zPrimed) & (255 << 2); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         xo = Lookup<float>::RandVecs3D[hash]; | 
					
						
							|  |  |  |         yo = Lookup<float>::RandVecs3D[hash | 1]; | 
					
						
							|  |  |  |         zo = Lookup<float>::RandVecs3D[hash | 2]; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void GradCoordDual(int seed, int xPrimed, int yPrimed, float xd, float yd, float& xo, float& yo) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int hash = Hash(seed, xPrimed, yPrimed); | 
					
						
							|  |  |  |         int index1 = hash & (127 << 1); | 
					
						
							|  |  |  |         int index2 = (hash >> 7) & (255 << 1); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float xg = Lookup<float>::Gradients2D[index1]; | 
					
						
							|  |  |  |         float yg = Lookup<float>::Gradients2D[index1 | 1]; | 
					
						
							|  |  |  |         float value = xd * xg + yd * yg; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float xgo = Lookup<float>::RandVecs2D[index2]; | 
					
						
							|  |  |  |         float ygo = Lookup<float>::RandVecs2D[index2 | 1]; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         xo = value * xgo; | 
					
						
							|  |  |  |         yo = value * ygo; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void GradCoordDual(int seed, int xPrimed, int yPrimed, int zPrimed, float xd, float yd, float zd, float& xo, float& yo, float& zo) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int hash = Hash(seed, xPrimed, yPrimed, zPrimed); | 
					
						
							|  |  |  |         int index1 = hash & (63 << 2); | 
					
						
							|  |  |  |         int index2 = (hash >> 6) & (255 << 2); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float xg = Lookup<float>::Gradients3D[index1]; | 
					
						
							|  |  |  |         float yg = Lookup<float>::Gradients3D[index1 | 1]; | 
					
						
							|  |  |  |         float zg = Lookup<float>::Gradients3D[index1 | 2]; | 
					
						
							|  |  |  |         float value = xd * xg + yd * yg + zd * zg; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float xgo = Lookup<float>::RandVecs3D[index2]; | 
					
						
							|  |  |  |         float ygo = Lookup<float>::RandVecs3D[index2 | 1]; | 
					
						
							|  |  |  |         float zgo = Lookup<float>::RandVecs3D[index2 | 2]; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         xo = value * xgo; | 
					
						
							|  |  |  |         yo = value * ygo; | 
					
						
							|  |  |  |         zo = value * zgo; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     // Generic noise gen
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float GenNoiseSingle(int seed, FNfloat x, FNfloat y) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         switch (mNoiseType) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |         case NoiseType_OpenSimplex2: | 
					
						
							|  |  |  |             return SingleSimplex(seed, x, y); | 
					
						
							|  |  |  |         case NoiseType_OpenSimplex2S: | 
					
						
							|  |  |  |             return SingleOpenSimplex2S(seed, x, y); | 
					
						
							|  |  |  |         case NoiseType_Cellular: | 
					
						
							|  |  |  |             return SingleCellular(seed, x, y); | 
					
						
							|  |  |  |         case NoiseType_Perlin: | 
					
						
							|  |  |  |             return SinglePerlin(seed, x, y); | 
					
						
							|  |  |  |         case NoiseType_ValueCubic: | 
					
						
							|  |  |  |             return SingleValueCubic(seed, x, y); | 
					
						
							|  |  |  |         case NoiseType_Value: | 
					
						
							|  |  |  |             return SingleValue(seed, x, y); | 
					
						
							|  |  |  |         default: | 
					
						
							|  |  |  |             return 0; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float GenNoiseSingle(int seed, FNfloat x, FNfloat y, FNfloat z) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         switch (mNoiseType) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |         case NoiseType_OpenSimplex2: | 
					
						
							|  |  |  |             return SingleOpenSimplex2(seed, x, y, z); | 
					
						
							|  |  |  |         case NoiseType_OpenSimplex2S: | 
					
						
							|  |  |  |             return SingleOpenSimplex2S(seed, x, y, z); | 
					
						
							|  |  |  |         case NoiseType_Cellular: | 
					
						
							|  |  |  |             return SingleCellular(seed, x, y, z); | 
					
						
							|  |  |  |         case NoiseType_Perlin: | 
					
						
							|  |  |  |             return SinglePerlin(seed, x, y, z); | 
					
						
							|  |  |  |         case NoiseType_ValueCubic: | 
					
						
							|  |  |  |             return SingleValueCubic(seed, x, y, z); | 
					
						
							|  |  |  |         case NoiseType_Value: | 
					
						
							|  |  |  |             return SingleValue(seed, x, y, z); | 
					
						
							|  |  |  |         default: | 
					
						
							|  |  |  |             return 0; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     // Noise Coordinate Transforms (frequency, and possible skew or rotation)
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void TransformNoiseCoordinate(FNfloat& x, FNfloat& y) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         x *= mFrequency; | 
					
						
							|  |  |  |         y *= mFrequency; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         switch (mNoiseType) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |         case NoiseType_OpenSimplex2: | 
					
						
							|  |  |  |         case NoiseType_OpenSimplex2S: | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 const FNfloat SQRT3 = (FNfloat)1.7320508075688772935274463415059; | 
					
						
							|  |  |  |                 const FNfloat F2 = 0.5f * (SQRT3 - 1); | 
					
						
							|  |  |  |                 FNfloat t = (x + y) * F2; | 
					
						
							|  |  |  |                 x += t; | 
					
						
							|  |  |  |                 y += t; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         default: | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void TransformNoiseCoordinate(FNfloat& x, FNfloat& y, FNfloat& z) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         x *= mFrequency; | 
					
						
							|  |  |  |         y *= mFrequency; | 
					
						
							|  |  |  |         z *= mFrequency; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         switch (mTransformType3D) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |         case TransformType3D_ImproveXYPlanes: | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 FNfloat xy = x + y; | 
					
						
							|  |  |  |                 FNfloat s2 = xy * -(FNfloat)0.211324865405187; | 
					
						
							|  |  |  |                 z *= (FNfloat)0.577350269189626; | 
					
						
							|  |  |  |                 x += s2 - z; | 
					
						
							|  |  |  |                 y = y + s2 - z; | 
					
						
							|  |  |  |                 z += xy * (FNfloat)0.577350269189626; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         case TransformType3D_ImproveXZPlanes: | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 FNfloat xz = x + z; | 
					
						
							|  |  |  |                 FNfloat s2 = xz * -(FNfloat)0.211324865405187; | 
					
						
							|  |  |  |                 y *= (FNfloat)0.577350269189626; | 
					
						
							|  |  |  |                 x += s2 - y; | 
					
						
							|  |  |  |                 z += s2 - y; | 
					
						
							|  |  |  |                 y += xz * (FNfloat)0.577350269189626; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         case TransformType3D_DefaultOpenSimplex2: | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 const FNfloat R3 = (FNfloat)(2.0 / 3.0); | 
					
						
							|  |  |  |                 FNfloat r = (x + y + z) * R3; // Rotation, not skew
 | 
					
						
							|  |  |  |                 x = r - x; | 
					
						
							|  |  |  |                 y = r - y; | 
					
						
							|  |  |  |                 z = r - z; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         default: | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     void UpdateTransformType3D() | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         switch (mRotationType3D) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |         case RotationType3D_ImproveXYPlanes: | 
					
						
							|  |  |  |             mTransformType3D = TransformType3D_ImproveXYPlanes; | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         case RotationType3D_ImproveXZPlanes: | 
					
						
							|  |  |  |             mTransformType3D = TransformType3D_ImproveXZPlanes; | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         default: | 
					
						
							|  |  |  |             switch (mNoiseType) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |             case NoiseType_OpenSimplex2: | 
					
						
							|  |  |  |             case NoiseType_OpenSimplex2S: | 
					
						
							|  |  |  |                 mTransformType3D = TransformType3D_DefaultOpenSimplex2; | 
					
						
							|  |  |  |                 break; | 
					
						
							|  |  |  |             default: | 
					
						
							|  |  |  |                 mTransformType3D = TransformType3D_None; | 
					
						
							|  |  |  |                 break; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     // Domain Warp Coordinate Transforms
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void TransformDomainWarpCoordinate(FNfloat& x, FNfloat& y) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         switch (mDomainWarpType) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |         case DomainWarpType_OpenSimplex2: | 
					
						
							|  |  |  |         case DomainWarpType_OpenSimplex2Reduced: | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 const FNfloat SQRT3 = (FNfloat)1.7320508075688772935274463415059; | 
					
						
							|  |  |  |                 const FNfloat F2 = 0.5f * (SQRT3 - 1); | 
					
						
							|  |  |  |                 FNfloat t = (x + y) * F2; | 
					
						
							|  |  |  |                 x += t; | 
					
						
							|  |  |  |                 y += t; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         default: | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void TransformDomainWarpCoordinate(FNfloat& x, FNfloat& y, FNfloat& z) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         switch (mWarpTransformType3D) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |         case TransformType3D_ImproveXYPlanes: | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 FNfloat xy = x + y; | 
					
						
							|  |  |  |                 FNfloat s2 = xy * -(FNfloat)0.211324865405187; | 
					
						
							|  |  |  |                 z *= (FNfloat)0.577350269189626; | 
					
						
							|  |  |  |                 x += s2 - z; | 
					
						
							|  |  |  |                 y = y + s2 - z; | 
					
						
							|  |  |  |                 z += xy * (FNfloat)0.577350269189626; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         case TransformType3D_ImproveXZPlanes: | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 FNfloat xz = x + z; | 
					
						
							|  |  |  |                 FNfloat s2 = xz * -(FNfloat)0.211324865405187; | 
					
						
							|  |  |  |                 y *= (FNfloat)0.577350269189626; | 
					
						
							|  |  |  |                 x += s2 - y; | 
					
						
							|  |  |  |                 z += s2 - y; | 
					
						
							|  |  |  |                 y += xz * (FNfloat)0.577350269189626; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         case TransformType3D_DefaultOpenSimplex2: | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 const FNfloat R3 = (FNfloat)(2.0 / 3.0); | 
					
						
							|  |  |  |                 FNfloat r = (x + y + z) * R3; // Rotation, not skew
 | 
					
						
							|  |  |  |                 x = r - x; | 
					
						
							|  |  |  |                 y = r - y; | 
					
						
							|  |  |  |                 z = r - z; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         default: | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     void UpdateWarpTransformType3D() | 
					
						
							|  |  |  |     { | 
					
						
							|  |  |  |         switch (mRotationType3D) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |         case RotationType3D_ImproveXYPlanes: | 
					
						
							|  |  |  |             mWarpTransformType3D = TransformType3D_ImproveXYPlanes; | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         case RotationType3D_ImproveXZPlanes: | 
					
						
							|  |  |  |             mWarpTransformType3D = TransformType3D_ImproveXZPlanes; | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         default: | 
					
						
							|  |  |  |             switch (mDomainWarpType) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |             case DomainWarpType_OpenSimplex2: | 
					
						
							|  |  |  |             case DomainWarpType_OpenSimplex2Reduced: | 
					
						
							|  |  |  |                 mWarpTransformType3D = TransformType3D_DefaultOpenSimplex2; | 
					
						
							|  |  |  |                 break; | 
					
						
							|  |  |  |             default: | 
					
						
							|  |  |  |                 mWarpTransformType3D = TransformType3D_None; | 
					
						
							|  |  |  |                 break; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     // Fractal FBm
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float GenFractalFBm(FNfloat x, FNfloat y) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int seed = mSeed; | 
					
						
							|  |  |  |         float sum = 0; | 
					
						
							|  |  |  |         float amp = mFractalBounding; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         for (int i = 0; i < mOctaves; i++) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float noise = GenNoiseSingle(seed++, x, y); | 
					
						
							|  |  |  |             sum += noise * amp; | 
					
						
							|  |  |  |             amp *= Lerp(1.0f, FastMin(noise + 1, 2) * 0.5f, mWeightedStrength); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             x *= mLacunarity; | 
					
						
							|  |  |  |             y *= mLacunarity; | 
					
						
							|  |  |  |             amp *= mGain; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         return sum; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float GenFractalFBm(FNfloat x, FNfloat y, FNfloat z) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int seed = mSeed; | 
					
						
							|  |  |  |         float sum = 0; | 
					
						
							|  |  |  |         float amp = mFractalBounding; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         for (int i = 0; i < mOctaves; i++) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float noise = GenNoiseSingle(seed++, x, y, z); | 
					
						
							|  |  |  |             sum += noise * amp; | 
					
						
							|  |  |  |             amp *= Lerp(1.0f, (noise + 1) * 0.5f, mWeightedStrength); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             x *= mLacunarity; | 
					
						
							|  |  |  |             y *= mLacunarity; | 
					
						
							|  |  |  |             z *= mLacunarity; | 
					
						
							|  |  |  |             amp *= mGain; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         return sum; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     // Fractal Ridged
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float GenFractalRidged(FNfloat x, FNfloat y) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int seed = mSeed; | 
					
						
							|  |  |  |         float sum = 0; | 
					
						
							|  |  |  |         float amp = mFractalBounding; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         for (int i = 0; i < mOctaves; i++) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float noise = FastAbs(GenNoiseSingle(seed++, x, y)); | 
					
						
							|  |  |  |             sum += (noise * -2 + 1) * amp; | 
					
						
							|  |  |  |             amp *= Lerp(1.0f, 1 - noise, mWeightedStrength); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             x *= mLacunarity; | 
					
						
							|  |  |  |             y *= mLacunarity; | 
					
						
							|  |  |  |             amp *= mGain; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         return sum; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float GenFractalRidged(FNfloat x, FNfloat y, FNfloat z) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int seed = mSeed; | 
					
						
							|  |  |  |         float sum = 0; | 
					
						
							|  |  |  |         float amp = mFractalBounding; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         for (int i = 0; i < mOctaves; i++) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float noise = FastAbs(GenNoiseSingle(seed++, x, y, z)); | 
					
						
							|  |  |  |             sum += (noise * -2 + 1) * amp; | 
					
						
							|  |  |  |             amp *= Lerp(1.0f, 1 - noise, mWeightedStrength); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             x *= mLacunarity; | 
					
						
							|  |  |  |             y *= mLacunarity; | 
					
						
							|  |  |  |             z *= mLacunarity; | 
					
						
							|  |  |  |             amp *= mGain; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         return sum; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     // Fractal PingPong 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float GenFractalPingPong(FNfloat x, FNfloat y) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int seed = mSeed; | 
					
						
							|  |  |  |         float sum = 0; | 
					
						
							|  |  |  |         float amp = mFractalBounding; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         for (int i = 0; i < mOctaves; i++) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float noise = PingPong((GenNoiseSingle(seed++, x, y) + 1) * mPingPongStrength); | 
					
						
							|  |  |  |             sum += (noise - 0.5f) * 2 * amp; | 
					
						
							|  |  |  |             amp *= Lerp(1.0f, noise, mWeightedStrength); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             x *= mLacunarity; | 
					
						
							|  |  |  |             y *= mLacunarity; | 
					
						
							|  |  |  |             amp *= mGain; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         return sum; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float GenFractalPingPong(FNfloat x, FNfloat y, FNfloat z) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int seed = mSeed; | 
					
						
							|  |  |  |         float sum = 0; | 
					
						
							|  |  |  |         float amp = mFractalBounding; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         for (int i = 0; i < mOctaves; i++) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float noise = PingPong((GenNoiseSingle(seed++, x, y, z) + 1) * mPingPongStrength); | 
					
						
							|  |  |  |             sum += (noise - 0.5f) * 2 * amp; | 
					
						
							|  |  |  |             amp *= Lerp(1.0f, noise, mWeightedStrength); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             x *= mLacunarity; | 
					
						
							|  |  |  |             y *= mLacunarity; | 
					
						
							|  |  |  |             z *= mLacunarity; | 
					
						
							|  |  |  |             amp *= mGain; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         return sum; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     // Simplex/OpenSimplex2 Noise
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float SingleSimplex(int seed, FNfloat x, FNfloat y) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         // 2D OpenSimplex2 case uses the same algorithm as ordinary Simplex.
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         const float SQRT3 = 1.7320508075688772935274463415059f; | 
					
						
							|  |  |  |         const float G2 = (3 - SQRT3) / 6; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         /*
 | 
					
						
							|  |  |  |          * --- Skew moved to TransformNoiseCoordinate method --- | 
					
						
							|  |  |  |          * const FNfloat F2 = 0.5f * (SQRT3 - 1); | 
					
						
							|  |  |  |          * FNfloat s = (x + y) * F2; | 
					
						
							|  |  |  |          * x += s; y += s; | 
					
						
							|  |  |  |         */ | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         int i = FastFloor(x); | 
					
						
							|  |  |  |         int j = FastFloor(y); | 
					
						
							|  |  |  |         float xi = (float)(x - i); | 
					
						
							|  |  |  |         float yi = (float)(y - j); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float t = (xi + yi) * G2; | 
					
						
							|  |  |  |         float x0 = (float)(xi - t); | 
					
						
							|  |  |  |         float y0 = (float)(yi - t); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         i *= PrimeX; | 
					
						
							|  |  |  |         j *= PrimeY; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float n0, n1, n2; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float a = 0.5f - x0 * x0 - y0 * y0; | 
					
						
							|  |  |  |         if (a <= 0) n0 = 0; | 
					
						
							|  |  |  |         else | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             n0 = (a * a) * (a * a) * GradCoord(seed, i, j, x0, y0); | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float c = (float)(2 * (1 - 2 * G2) * (1 / G2 - 2)) * t + ((float)(-2 * (1 - 2 * G2) * (1 - 2 * G2)) + a); | 
					
						
							|  |  |  |         if (c <= 0) n2 = 0; | 
					
						
							|  |  |  |         else | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float x2 = x0 + (2 * (float)G2 - 1); | 
					
						
							|  |  |  |             float y2 = y0 + (2 * (float)G2 - 1); | 
					
						
							|  |  |  |             n2 = (c * c) * (c * c) * GradCoord(seed, i + PrimeX, j + PrimeY, x2, y2); | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         if (y0 > x0) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float x1 = x0 + (float)G2; | 
					
						
							|  |  |  |             float y1 = y0 + ((float)G2 - 1); | 
					
						
							|  |  |  |             float b = 0.5f - x1 * x1 - y1 * y1; | 
					
						
							|  |  |  |             if (b <= 0) n1 = 0; | 
					
						
							|  |  |  |             else | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 n1 = (b * b) * (b * b) * GradCoord(seed, i, j + PrimeY, x1, y1); | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         else | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float x1 = x0 + ((float)G2 - 1); | 
					
						
							|  |  |  |             float y1 = y0 + (float)G2; | 
					
						
							|  |  |  |             float b = 0.5f - x1 * x1 - y1 * y1; | 
					
						
							|  |  |  |             if (b <= 0) n1 = 0; | 
					
						
							|  |  |  |             else | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 n1 = (b * b) * (b * b) * GradCoord(seed, i + PrimeX, j, x1, y1); | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         return (n0 + n1 + n2) * 99.83685446303647f; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float SingleOpenSimplex2(int seed, FNfloat x, FNfloat y, FNfloat z) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         // 3D OpenSimplex2 case uses two offset rotated cube grids.
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         /*
 | 
					
						
							|  |  |  |          * --- Rotation moved to TransformNoiseCoordinate method --- | 
					
						
							|  |  |  |          * const FNfloat R3 = (FNfloat)(2.0 / 3.0); | 
					
						
							|  |  |  |          * FNfloat r = (x + y + z) * R3; // Rotation, not skew
 | 
					
						
							|  |  |  |          * x = r - x; y = r - y; z = r - z; | 
					
						
							|  |  |  |         */ | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         int i = FastRound(x); | 
					
						
							|  |  |  |         int j = FastRound(y); | 
					
						
							|  |  |  |         int k = FastRound(z); | 
					
						
							|  |  |  |         float x0 = (float)(x - i); | 
					
						
							|  |  |  |         float y0 = (float)(y - j); | 
					
						
							|  |  |  |         float z0 = (float)(z - k); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         int xNSign = (int)(-1.0f - x0) | 1; | 
					
						
							|  |  |  |         int yNSign = (int)(-1.0f - y0) | 1; | 
					
						
							|  |  |  |         int zNSign = (int)(-1.0f - z0) | 1; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float ax0 = xNSign * -x0; | 
					
						
							|  |  |  |         float ay0 = yNSign * -y0; | 
					
						
							|  |  |  |         float az0 = zNSign * -z0; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         i *= PrimeX; | 
					
						
							|  |  |  |         j *= PrimeY; | 
					
						
							|  |  |  |         k *= PrimeZ; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float value = 0; | 
					
						
							|  |  |  |         float a = (0.6f - x0 * x0) - (y0 * y0 + z0 * z0); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         for (int l = 0; ; l++) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             if (a > 0) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 value += (a * a) * (a * a) * GradCoord(seed, i, j, k, x0, y0, z0); | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             float b = a + 1; | 
					
						
							|  |  |  |             int i1 = i; | 
					
						
							|  |  |  |             int j1 = j; | 
					
						
							|  |  |  |             int k1 = k; | 
					
						
							|  |  |  |             float x1 = x0; | 
					
						
							|  |  |  |             float y1 = y0; | 
					
						
							|  |  |  |             float z1 = z0; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             if (ax0 >= ay0 && ax0 >= az0) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 x1 += xNSign; | 
					
						
							|  |  |  |                 b -= xNSign * 2 * x1; | 
					
						
							|  |  |  |                 i1 -= xNSign * PrimeX; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             else if (ay0 > ax0 && ay0 >= az0) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 y1 += yNSign; | 
					
						
							|  |  |  |                 b -= yNSign * 2 * y1; | 
					
						
							|  |  |  |                 j1 -= yNSign * PrimeY; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             else | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 z1 += zNSign; | 
					
						
							|  |  |  |                 b -= zNSign * 2 * z1; | 
					
						
							|  |  |  |                 k1 -= zNSign * PrimeZ; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             if (b > 0) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 value += (b * b) * (b * b) * GradCoord(seed, i1, j1, k1, x1, y1, z1); | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             if (l == 1) break; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             ax0 = 0.5f - ax0; | 
					
						
							|  |  |  |             ay0 = 0.5f - ay0; | 
					
						
							|  |  |  |             az0 = 0.5f - az0; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             x0 = xNSign * ax0; | 
					
						
							|  |  |  |             y0 = yNSign * ay0; | 
					
						
							|  |  |  |             z0 = zNSign * az0; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             a += (0.75f - ax0) - (ay0 + az0); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             i += (xNSign >> 1) & PrimeX; | 
					
						
							|  |  |  |             j += (yNSign >> 1) & PrimeY; | 
					
						
							|  |  |  |             k += (zNSign >> 1) & PrimeZ; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             xNSign = -xNSign; | 
					
						
							|  |  |  |             yNSign = -yNSign; | 
					
						
							|  |  |  |             zNSign = -zNSign; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             seed = ~seed; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         return value * 32.69428253173828125f; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     // OpenSimplex2S Noise
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float SingleOpenSimplex2S(int seed, FNfloat x, FNfloat y) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         // 2D OpenSimplex2S case is a modified 2D simplex noise.
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         const FNfloat SQRT3 = (FNfloat)1.7320508075688772935274463415059; | 
					
						
							|  |  |  |         const FNfloat G2 = (3 - SQRT3) / 6; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         /*
 | 
					
						
							|  |  |  |          * --- Skew moved to TransformNoiseCoordinate method --- | 
					
						
							|  |  |  |          * const FNfloat F2 = 0.5f * (SQRT3 - 1); | 
					
						
							|  |  |  |          * FNfloat s = (x + y) * F2; | 
					
						
							|  |  |  |          * x += s; y += s; | 
					
						
							|  |  |  |         */ | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         int i = FastFloor(x); | 
					
						
							|  |  |  |         int j = FastFloor(y); | 
					
						
							|  |  |  |         float xi = (float)(x - i); | 
					
						
							|  |  |  |         float yi = (float)(y - j); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         i *= PrimeX; | 
					
						
							|  |  |  |         j *= PrimeY; | 
					
						
							|  |  |  |         int i1 = i + PrimeX; | 
					
						
							|  |  |  |         int j1 = j + PrimeY; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float t = (xi + yi) * (float)G2; | 
					
						
							|  |  |  |         float x0 = xi - t; | 
					
						
							|  |  |  |         float y0 = yi - t; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float a0 = (2.0f / 3.0f) - x0 * x0 - y0 * y0; | 
					
						
							|  |  |  |         float value = (a0 * a0) * (a0 * a0) * GradCoord(seed, i, j, x0, y0); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float a1 = (float)(2 * (1 - 2 * G2) * (1 / G2 - 2)) * t + ((float)(-2 * (1 - 2 * G2) * (1 - 2 * G2)) + a0); | 
					
						
							|  |  |  |         float x1 = x0 - (float)(1 - 2 * G2); | 
					
						
							|  |  |  |         float y1 = y0 - (float)(1 - 2 * G2); | 
					
						
							|  |  |  |         value += (a1 * a1) * (a1 * a1) * GradCoord(seed, i1, j1, x1, y1); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         // Nested conditionals were faster than compact bit logic/arithmetic.
 | 
					
						
							|  |  |  |         float xmyi = xi - yi; | 
					
						
							|  |  |  |         if (t > G2) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             if (xi + xmyi > 1) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 float x2 = x0 + (float)(3 * G2 - 2); | 
					
						
							|  |  |  |                 float y2 = y0 + (float)(3 * G2 - 1); | 
					
						
							|  |  |  |                 float a2 = (2.0f / 3.0f) - x2 * x2 - y2 * y2; | 
					
						
							|  |  |  |                 if (a2 > 0) | 
					
						
							|  |  |  |                 { | 
					
						
							|  |  |  |                     value += (a2 * a2) * (a2 * a2) * GradCoord(seed, i + (PrimeX << 1), j + PrimeY, x2, y2); | 
					
						
							|  |  |  |                 } | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             else | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 float x2 = x0 + (float)G2; | 
					
						
							|  |  |  |                 float y2 = y0 + (float)(G2 - 1); | 
					
						
							|  |  |  |                 float a2 = (2.0f / 3.0f) - x2 * x2 - y2 * y2; | 
					
						
							|  |  |  |                 if (a2 > 0) | 
					
						
							|  |  |  |                 { | 
					
						
							|  |  |  |                     value += (a2 * a2) * (a2 * a2) * GradCoord(seed, i, j + PrimeY, x2, y2); | 
					
						
							|  |  |  |                 } | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             if (yi - xmyi > 1) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 float x3 = x0 + (float)(3 * G2 - 1); | 
					
						
							|  |  |  |                 float y3 = y0 + (float)(3 * G2 - 2); | 
					
						
							|  |  |  |                 float a3 = (2.0f / 3.0f) - x3 * x3 - y3 * y3; | 
					
						
							|  |  |  |                 if (a3 > 0) | 
					
						
							|  |  |  |                 { | 
					
						
							|  |  |  |                     value += (a3 * a3) * (a3 * a3) * GradCoord(seed, i + PrimeX, j + (PrimeY << 1), x3, y3); | 
					
						
							|  |  |  |                 } | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             else | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 float x3 = x0 + (float)(G2 - 1); | 
					
						
							|  |  |  |                 float y3 = y0 + (float)G2; | 
					
						
							|  |  |  |                 float a3 = (2.0f / 3.0f) - x3 * x3 - y3 * y3; | 
					
						
							|  |  |  |                 if (a3 > 0) | 
					
						
							|  |  |  |                 { | 
					
						
							|  |  |  |                     value += (a3 * a3) * (a3 * a3) * GradCoord(seed, i + PrimeX, j, x3, y3); | 
					
						
							|  |  |  |                 } | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         else | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             if (xi + xmyi < 0) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 float x2 = x0 + (float)(1 - G2); | 
					
						
							|  |  |  |                 float y2 = y0 - (float)G2; | 
					
						
							|  |  |  |                 float a2 = (2.0f / 3.0f) - x2 * x2 - y2 * y2; | 
					
						
							|  |  |  |                 if (a2 > 0) | 
					
						
							|  |  |  |                 { | 
					
						
							|  |  |  |                     value += (a2 * a2) * (a2 * a2) * GradCoord(seed, i - PrimeX, j, x2, y2); | 
					
						
							|  |  |  |                 } | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             else | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 float x2 = x0 + (float)(G2 - 1); | 
					
						
							|  |  |  |                 float y2 = y0 + (float)G2; | 
					
						
							|  |  |  |                 float a2 = (2.0f / 3.0f) - x2 * x2 - y2 * y2; | 
					
						
							|  |  |  |                 if (a2 > 0) | 
					
						
							|  |  |  |                 { | 
					
						
							|  |  |  |                     value += (a2 * a2) * (a2 * a2) * GradCoord(seed, i + PrimeX, j, x2, y2); | 
					
						
							|  |  |  |                 } | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             if (yi < xmyi) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 float x2 = x0 - (float)G2; | 
					
						
							|  |  |  |                 float y2 = y0 - (float)(G2 - 1); | 
					
						
							|  |  |  |                 float a2 = (2.0f / 3.0f) - x2 * x2 - y2 * y2; | 
					
						
							|  |  |  |                 if (a2 > 0) | 
					
						
							|  |  |  |                 { | 
					
						
							|  |  |  |                     value += (a2 * a2) * (a2 * a2) * GradCoord(seed, i, j - PrimeY, x2, y2); | 
					
						
							|  |  |  |                 } | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             else | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 float x2 = x0 + (float)G2; | 
					
						
							|  |  |  |                 float y2 = y0 + (float)(G2 - 1); | 
					
						
							|  |  |  |                 float a2 = (2.0f / 3.0f) - x2 * x2 - y2 * y2; | 
					
						
							|  |  |  |                 if (a2 > 0) | 
					
						
							|  |  |  |                 { | 
					
						
							|  |  |  |                     value += (a2 * a2) * (a2 * a2) * GradCoord(seed, i, j + PrimeY, x2, y2); | 
					
						
							|  |  |  |                 } | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         return value * 18.24196194486065f; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float SingleOpenSimplex2S(int seed, FNfloat x, FNfloat y, FNfloat z) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         // 3D OpenSimplex2S case uses two offset rotated cube grids.
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         /*
 | 
					
						
							|  |  |  |          * --- Rotation moved to TransformNoiseCoordinate method --- | 
					
						
							|  |  |  |          * const FNfloat R3 = (FNfloat)(2.0 / 3.0); | 
					
						
							|  |  |  |          * FNfloat r = (x + y + z) * R3; // Rotation, not skew
 | 
					
						
							|  |  |  |          * x = r - x; y = r - y; z = r - z; | 
					
						
							|  |  |  |         */ | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         int i = FastFloor(x); | 
					
						
							|  |  |  |         int j = FastFloor(y); | 
					
						
							|  |  |  |         int k = FastFloor(z); | 
					
						
							|  |  |  |         float xi = (float)(x - i); | 
					
						
							|  |  |  |         float yi = (float)(y - j); | 
					
						
							|  |  |  |         float zi = (float)(z - k); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         i *= PrimeX; | 
					
						
							|  |  |  |         j *= PrimeY; | 
					
						
							|  |  |  |         k *= PrimeZ; | 
					
						
							|  |  |  |         int seed2 = seed + 1293373; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         int xNMask = (int)(-0.5f - xi); | 
					
						
							|  |  |  |         int yNMask = (int)(-0.5f - yi); | 
					
						
							|  |  |  |         int zNMask = (int)(-0.5f - zi); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float x0 = xi + xNMask; | 
					
						
							|  |  |  |         float y0 = yi + yNMask; | 
					
						
							|  |  |  |         float z0 = zi + zNMask; | 
					
						
							|  |  |  |         float a0 = 0.75f - x0 * x0 - y0 * y0 - z0 * z0; | 
					
						
							|  |  |  |         float value = (a0 * a0) * (a0 * a0) * GradCoord(seed, | 
					
						
							|  |  |  |                                                         i + (xNMask & PrimeX), j + (yNMask & PrimeY), k + (zNMask & PrimeZ), x0, y0, z0); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float x1 = xi - 0.5f; | 
					
						
							|  |  |  |         float y1 = yi - 0.5f; | 
					
						
							|  |  |  |         float z1 = zi - 0.5f; | 
					
						
							|  |  |  |         float a1 = 0.75f - x1 * x1 - y1 * y1 - z1 * z1; | 
					
						
							|  |  |  |         value += (a1 * a1) * (a1 * a1) * GradCoord(seed2, | 
					
						
							|  |  |  |                                                    i + PrimeX, j + PrimeY, k + PrimeZ, x1, y1, z1); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float xAFlipMask0 = ((xNMask | 1) << 1) * x1; | 
					
						
							|  |  |  |         float yAFlipMask0 = ((yNMask | 1) << 1) * y1; | 
					
						
							|  |  |  |         float zAFlipMask0 = ((zNMask | 1) << 1) * z1; | 
					
						
							|  |  |  |         float xAFlipMask1 = (-2 - (xNMask << 2)) * x1 - 1.0f; | 
					
						
							|  |  |  |         float yAFlipMask1 = (-2 - (yNMask << 2)) * y1 - 1.0f; | 
					
						
							|  |  |  |         float zAFlipMask1 = (-2 - (zNMask << 2)) * z1 - 1.0f; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         bool skip5 = false; | 
					
						
							|  |  |  |         float a2 = xAFlipMask0 + a0; | 
					
						
							|  |  |  |         if (a2 > 0) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float x2 = x0 - (xNMask | 1); | 
					
						
							|  |  |  |             float y2 = y0; | 
					
						
							|  |  |  |             float z2 = z0; | 
					
						
							|  |  |  |             value += (a2 * a2) * (a2 * a2) * GradCoord(seed, | 
					
						
							|  |  |  |                                                        i + (~xNMask & PrimeX), j + (yNMask & PrimeY), k + (zNMask & PrimeZ), x2, y2, z2); | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         else | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float a3 = yAFlipMask0 + zAFlipMask0 + a0; | 
					
						
							|  |  |  |             if (a3 > 0) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 float x3 = x0; | 
					
						
							|  |  |  |                 float y3 = y0 - (yNMask | 1); | 
					
						
							|  |  |  |                 float z3 = z0 - (zNMask | 1); | 
					
						
							|  |  |  |                 value += (a3 * a3) * (a3 * a3) * GradCoord(seed, | 
					
						
							|  |  |  |                                                            i + (xNMask & PrimeX), j + (~yNMask & PrimeY), k + (~zNMask & PrimeZ), x3, y3, z3); | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             float a4 = xAFlipMask1 + a1; | 
					
						
							|  |  |  |             if (a4 > 0) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 float x4 = (xNMask | 1) + x1; | 
					
						
							|  |  |  |                 float y4 = y1; | 
					
						
							|  |  |  |                 float z4 = z1; | 
					
						
							|  |  |  |                 value += (a4 * a4) * (a4 * a4) * GradCoord(seed2, | 
					
						
							|  |  |  |                                                            i + (xNMask & (PrimeX * 2)), j + PrimeY, k + PrimeZ, x4, y4, z4); | 
					
						
							|  |  |  |                 skip5 = true; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         bool skip9 = false; | 
					
						
							|  |  |  |         float a6 = yAFlipMask0 + a0; | 
					
						
							|  |  |  |         if (a6 > 0) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float x6 = x0; | 
					
						
							|  |  |  |             float y6 = y0 - (yNMask | 1); | 
					
						
							|  |  |  |             float z6 = z0; | 
					
						
							|  |  |  |             value += (a6 * a6) * (a6 * a6) * GradCoord(seed, | 
					
						
							|  |  |  |                                                        i + (xNMask & PrimeX), j + (~yNMask & PrimeY), k + (zNMask & PrimeZ), x6, y6, z6); | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         else | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float a7 = xAFlipMask0 + zAFlipMask0 + a0; | 
					
						
							|  |  |  |             if (a7 > 0) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 float x7 = x0 - (xNMask | 1); | 
					
						
							|  |  |  |                 float y7 = y0; | 
					
						
							|  |  |  |                 float z7 = z0 - (zNMask | 1); | 
					
						
							|  |  |  |                 value += (a7 * a7) * (a7 * a7) * GradCoord(seed, | 
					
						
							|  |  |  |                                                            i + (~xNMask & PrimeX), j + (yNMask & PrimeY), k + (~zNMask & PrimeZ), x7, y7, z7); | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             float a8 = yAFlipMask1 + a1; | 
					
						
							|  |  |  |             if (a8 > 0) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 float x8 = x1; | 
					
						
							|  |  |  |                 float y8 = (yNMask | 1) + y1; | 
					
						
							|  |  |  |                 float z8 = z1; | 
					
						
							|  |  |  |                 value += (a8 * a8) * (a8 * a8) * GradCoord(seed2, | 
					
						
							|  |  |  |                                                            i + PrimeX, j + (yNMask & (PrimeY << 1)), k + PrimeZ, x8, y8, z8); | 
					
						
							|  |  |  |                 skip9 = true; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         bool skipD = false; | 
					
						
							|  |  |  |         float aA = zAFlipMask0 + a0; | 
					
						
							|  |  |  |         if (aA > 0) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float xA = x0; | 
					
						
							|  |  |  |             float yA = y0; | 
					
						
							|  |  |  |             float zA = z0 - (zNMask | 1); | 
					
						
							|  |  |  |             value += (aA * aA) * (aA * aA) * GradCoord(seed, | 
					
						
							|  |  |  |                                                        i + (xNMask & PrimeX), j + (yNMask & PrimeY), k + (~zNMask & PrimeZ), xA, yA, zA); | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         else | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float aB = xAFlipMask0 + yAFlipMask0 + a0; | 
					
						
							|  |  |  |             if (aB > 0) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 float xB = x0 - (xNMask | 1); | 
					
						
							|  |  |  |                 float yB = y0 - (yNMask | 1); | 
					
						
							|  |  |  |                 float zB = z0; | 
					
						
							|  |  |  |                 value += (aB * aB) * (aB * aB) * GradCoord(seed, | 
					
						
							|  |  |  |                                                            i + (~xNMask & PrimeX), j + (~yNMask & PrimeY), k + (zNMask & PrimeZ), xB, yB, zB); | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             float aC = zAFlipMask1 + a1; | 
					
						
							|  |  |  |             if (aC > 0) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 float xC = x1; | 
					
						
							|  |  |  |                 float yC = y1; | 
					
						
							|  |  |  |                 float zC = (zNMask | 1) + z1; | 
					
						
							|  |  |  |                 value += (aC * aC) * (aC * aC) * GradCoord(seed2, | 
					
						
							|  |  |  |                                                            i + PrimeX, j + PrimeY, k + (zNMask & (PrimeZ << 1)), xC, yC, zC); | 
					
						
							|  |  |  |                 skipD = true; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         if (!skip5) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float a5 = yAFlipMask1 + zAFlipMask1 + a1; | 
					
						
							|  |  |  |             if (a5 > 0) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 float x5 = x1; | 
					
						
							|  |  |  |                 float y5 = (yNMask | 1) + y1; | 
					
						
							|  |  |  |                 float z5 = (zNMask | 1) + z1; | 
					
						
							|  |  |  |                 value += (a5 * a5) * (a5 * a5) * GradCoord(seed2, | 
					
						
							|  |  |  |                                                            i + PrimeX, j + (yNMask & (PrimeY << 1)), k + (zNMask & (PrimeZ << 1)), x5, y5, z5); | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         if (!skip9) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float a9 = xAFlipMask1 + zAFlipMask1 + a1; | 
					
						
							|  |  |  |             if (a9 > 0) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 float x9 = (xNMask | 1) + x1; | 
					
						
							|  |  |  |                 float y9 = y1; | 
					
						
							|  |  |  |                 float z9 = (zNMask | 1) + z1; | 
					
						
							|  |  |  |                 value += (a9 * a9) * (a9 * a9) * GradCoord(seed2, | 
					
						
							|  |  |  |                                                            i + (xNMask & (PrimeX * 2)), j + PrimeY, k + (zNMask & (PrimeZ << 1)), x9, y9, z9); | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         if (!skipD) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float aD = xAFlipMask1 + yAFlipMask1 + a1; | 
					
						
							|  |  |  |             if (aD > 0) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 float xD = (xNMask | 1) + x1; | 
					
						
							|  |  |  |                 float yD = (yNMask | 1) + y1; | 
					
						
							|  |  |  |                 float zD = z1; | 
					
						
							|  |  |  |                 value += (aD * aD) * (aD * aD) * GradCoord(seed2, | 
					
						
							|  |  |  |                                                            i + (xNMask & (PrimeX << 1)), j + (yNMask & (PrimeY << 1)), k + PrimeZ, xD, yD, zD); | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         return value * 9.046026385208288f; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     // Cellular Noise
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float SingleCellular(int seed, FNfloat x, FNfloat y) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int xr = FastRound(x); | 
					
						
							|  |  |  |         int yr = FastRound(y); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float distance0 = 1e10f; | 
					
						
							|  |  |  |         float distance1 = 1e10f; | 
					
						
							|  |  |  |         int closestHash = 0; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float cellularJitter = 0.43701595f * mCellularJitterModifier; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         int xPrimed = (xr - 1) * PrimeX; | 
					
						
							|  |  |  |         int yPrimedBase = (yr - 1) * PrimeY; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         switch (mCellularDistanceFunction) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |         default: | 
					
						
							|  |  |  |         case CellularDistanceFunction_Euclidean: | 
					
						
							|  |  |  |         case CellularDistanceFunction_EuclideanSq: | 
					
						
							|  |  |  |             for (int xi = xr - 1; xi <= xr + 1; xi++) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 int yPrimed = yPrimedBase; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                 for (int yi = yr - 1; yi <= yr + 1; yi++) | 
					
						
							|  |  |  |                 { | 
					
						
							|  |  |  |                     int hash = Hash(seed, xPrimed, yPrimed); | 
					
						
							|  |  |  |                     int idx = hash & (255 << 1); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                     float vecX = (float)(xi - x) + Lookup<float>::RandVecs2D[idx] * cellularJitter; | 
					
						
							|  |  |  |                     float vecY = (float)(yi - y) + Lookup<float>::RandVecs2D[idx | 1] * cellularJitter; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                     float newDistance = vecX * vecX + vecY * vecY; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                     distance1 = FastMax(FastMin(distance1, newDistance), distance0); | 
					
						
							|  |  |  |                     if (newDistance < distance0) | 
					
						
							|  |  |  |                     { | 
					
						
							|  |  |  |                         distance0 = newDistance; | 
					
						
							|  |  |  |                         closestHash = hash; | 
					
						
							|  |  |  |                     } | 
					
						
							|  |  |  |                     yPrimed += PrimeY; | 
					
						
							|  |  |  |                 } | 
					
						
							|  |  |  |                 xPrimed += PrimeX; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         case CellularDistanceFunction_Manhattan: | 
					
						
							|  |  |  |             for (int xi = xr - 1; xi <= xr + 1; xi++) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 int yPrimed = yPrimedBase; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                 for (int yi = yr - 1; yi <= yr + 1; yi++) | 
					
						
							|  |  |  |                 { | 
					
						
							|  |  |  |                     int hash = Hash(seed, xPrimed, yPrimed); | 
					
						
							|  |  |  |                     int idx = hash & (255 << 1); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                     float vecX = (float)(xi - x) + Lookup<float>::RandVecs2D[idx] * cellularJitter; | 
					
						
							|  |  |  |                     float vecY = (float)(yi - y) + Lookup<float>::RandVecs2D[idx | 1] * cellularJitter; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                     float newDistance = FastAbs(vecX) + FastAbs(vecY); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                     distance1 = FastMax(FastMin(distance1, newDistance), distance0); | 
					
						
							|  |  |  |                     if (newDistance < distance0) | 
					
						
							|  |  |  |                     { | 
					
						
							|  |  |  |                         distance0 = newDistance; | 
					
						
							|  |  |  |                         closestHash = hash; | 
					
						
							|  |  |  |                     } | 
					
						
							|  |  |  |                     yPrimed += PrimeY; | 
					
						
							|  |  |  |                 } | 
					
						
							|  |  |  |                 xPrimed += PrimeX; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         case CellularDistanceFunction_Hybrid: | 
					
						
							|  |  |  |             for (int xi = xr - 1; xi <= xr + 1; xi++) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 int yPrimed = yPrimedBase; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                 for (int yi = yr - 1; yi <= yr + 1; yi++) | 
					
						
							|  |  |  |                 { | 
					
						
							|  |  |  |                     int hash = Hash(seed, xPrimed, yPrimed); | 
					
						
							|  |  |  |                     int idx = hash & (255 << 1); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                     float vecX = (float)(xi - x) + Lookup<float>::RandVecs2D[idx] * cellularJitter; | 
					
						
							|  |  |  |                     float vecY = (float)(yi - y) + Lookup<float>::RandVecs2D[idx | 1] * cellularJitter; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                     float newDistance = (FastAbs(vecX) + FastAbs(vecY)) + (vecX * vecX + vecY * vecY); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                     distance1 = FastMax(FastMin(distance1, newDistance), distance0); | 
					
						
							|  |  |  |                     if (newDistance < distance0) | 
					
						
							|  |  |  |                     { | 
					
						
							|  |  |  |                         distance0 = newDistance; | 
					
						
							|  |  |  |                         closestHash = hash; | 
					
						
							|  |  |  |                     } | 
					
						
							|  |  |  |                     yPrimed += PrimeY; | 
					
						
							|  |  |  |                 } | 
					
						
							|  |  |  |                 xPrimed += PrimeX; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         if (mCellularDistanceFunction == CellularDistanceFunction_Euclidean && mCellularReturnType >= CellularReturnType_Distance) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             distance0 = FastSqrt(distance0); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             if (mCellularReturnType >= CellularReturnType_Distance2) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 distance1 = FastSqrt(distance1); | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         switch (mCellularReturnType) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |         case CellularReturnType_CellValue: | 
					
						
							|  |  |  |             return closestHash * (1 / 2147483648.0f); | 
					
						
							|  |  |  |         case CellularReturnType_Distance: | 
					
						
							|  |  |  |             return distance0 - 1; | 
					
						
							|  |  |  |         case CellularReturnType_Distance2: | 
					
						
							|  |  |  |             return distance1 - 1; | 
					
						
							|  |  |  |         case CellularReturnType_Distance2Add: | 
					
						
							|  |  |  |             return (distance1 + distance0) * 0.5f - 1; | 
					
						
							|  |  |  |         case CellularReturnType_Distance2Sub: | 
					
						
							|  |  |  |             return distance1 - distance0 - 1; | 
					
						
							|  |  |  |         case CellularReturnType_Distance2Mul: | 
					
						
							|  |  |  |             return distance1 * distance0 * 0.5f - 1; | 
					
						
							|  |  |  |         case CellularReturnType_Distance2Div: | 
					
						
							|  |  |  |             return distance0 / distance1 - 1; | 
					
						
							|  |  |  |         default: | 
					
						
							|  |  |  |             return 0; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2022-04-30 16:43:16 +02:00
										 |  |  | // GCC raises warnings when integer overflows occur, which are needed for hashing here.
 | 
					
						
							|  |  |  | #if defined(__GNUC__) && !defined(__clang__)
 | 
					
						
							|  |  |  | #pragma GCC diagnostic push
 | 
					
						
							|  |  |  | #pragma GCC diagnostic ignored "-Waggressive-loop-optimizations"
 | 
					
						
							|  |  |  | #endif
 | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float SingleCellular(int seed, FNfloat x, FNfloat y, FNfloat z) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int xr = FastRound(x); | 
					
						
							|  |  |  |         int yr = FastRound(y); | 
					
						
							|  |  |  |         int zr = FastRound(z); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float distance0 = 1e10f; | 
					
						
							|  |  |  |         float distance1 = 1e10f; | 
					
						
							|  |  |  |         int closestHash = 0; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float cellularJitter = 0.39614353f * mCellularJitterModifier; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         int xPrimed = (xr - 1) * PrimeX; | 
					
						
							|  |  |  |         int yPrimedBase = (yr - 1) * PrimeY; | 
					
						
							|  |  |  |         int zPrimedBase = (zr - 1) * PrimeZ; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         switch (mCellularDistanceFunction) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |         case CellularDistanceFunction_Euclidean: | 
					
						
							|  |  |  |         case CellularDistanceFunction_EuclideanSq: | 
					
						
							|  |  |  |             for (int xi = xr - 1; xi <= xr + 1; xi++) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 int yPrimed = yPrimedBase; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                 for (int yi = yr - 1; yi <= yr + 1; yi++) | 
					
						
							|  |  |  |                 { | 
					
						
							|  |  |  |                     int zPrimed = zPrimedBase; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                     for (int zi = zr - 1; zi <= zr + 1; zi++) | 
					
						
							|  |  |  |                     { | 
					
						
							|  |  |  |                         int hash = Hash(seed, xPrimed, yPrimed, zPrimed); | 
					
						
							|  |  |  |                         int idx = hash & (255 << 2); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                         float vecX = (float)(xi - x) + Lookup<float>::RandVecs3D[idx] * cellularJitter; | 
					
						
							|  |  |  |                         float vecY = (float)(yi - y) + Lookup<float>::RandVecs3D[idx | 1] * cellularJitter; | 
					
						
							|  |  |  |                         float vecZ = (float)(zi - z) + Lookup<float>::RandVecs3D[idx | 2] * cellularJitter; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                         float newDistance = vecX * vecX + vecY * vecY + vecZ * vecZ; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                         distance1 = FastMax(FastMin(distance1, newDistance), distance0); | 
					
						
							|  |  |  |                         if (newDistance < distance0) | 
					
						
							|  |  |  |                         { | 
					
						
							|  |  |  |                             distance0 = newDistance; | 
					
						
							|  |  |  |                             closestHash = hash; | 
					
						
							|  |  |  |                         } | 
					
						
							|  |  |  |                         zPrimed += PrimeZ; | 
					
						
							|  |  |  |                     } | 
					
						
							|  |  |  |                     yPrimed += PrimeY; | 
					
						
							|  |  |  |                 } | 
					
						
							|  |  |  |                 xPrimed += PrimeX; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         case CellularDistanceFunction_Manhattan: | 
					
						
							|  |  |  |             for (int xi = xr - 1; xi <= xr + 1; xi++) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 int yPrimed = yPrimedBase; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                 for (int yi = yr - 1; yi <= yr + 1; yi++) | 
					
						
							|  |  |  |                 { | 
					
						
							|  |  |  |                     int zPrimed = zPrimedBase; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                     for (int zi = zr - 1; zi <= zr + 1; zi++) | 
					
						
							|  |  |  |                     { | 
					
						
							|  |  |  |                         int hash = Hash(seed, xPrimed, yPrimed, zPrimed); | 
					
						
							|  |  |  |                         int idx = hash & (255 << 2); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                         float vecX = (float)(xi - x) + Lookup<float>::RandVecs3D[idx] * cellularJitter; | 
					
						
							|  |  |  |                         float vecY = (float)(yi - y) + Lookup<float>::RandVecs3D[idx | 1] * cellularJitter; | 
					
						
							|  |  |  |                         float vecZ = (float)(zi - z) + Lookup<float>::RandVecs3D[idx | 2] * cellularJitter; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                         float newDistance = FastAbs(vecX) + FastAbs(vecY) + FastAbs(vecZ); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                         distance1 = FastMax(FastMin(distance1, newDistance), distance0); | 
					
						
							|  |  |  |                         if (newDistance < distance0) | 
					
						
							|  |  |  |                         { | 
					
						
							|  |  |  |                             distance0 = newDistance; | 
					
						
							|  |  |  |                             closestHash = hash; | 
					
						
							|  |  |  |                         } | 
					
						
							|  |  |  |                         zPrimed += PrimeZ; | 
					
						
							|  |  |  |                     } | 
					
						
							|  |  |  |                     yPrimed += PrimeY; | 
					
						
							|  |  |  |                 } | 
					
						
							|  |  |  |                 xPrimed += PrimeX; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         case CellularDistanceFunction_Hybrid: | 
					
						
							|  |  |  |             for (int xi = xr - 1; xi <= xr + 1; xi++) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 int yPrimed = yPrimedBase; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                 for (int yi = yr - 1; yi <= yr + 1; yi++) | 
					
						
							|  |  |  |                 { | 
					
						
							|  |  |  |                     int zPrimed = zPrimedBase; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                     for (int zi = zr - 1; zi <= zr + 1; zi++) | 
					
						
							|  |  |  |                     { | 
					
						
							|  |  |  |                         int hash = Hash(seed, xPrimed, yPrimed, zPrimed); | 
					
						
							|  |  |  |                         int idx = hash & (255 << 2); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                         float vecX = (float)(xi - x) + Lookup<float>::RandVecs3D[idx] * cellularJitter; | 
					
						
							|  |  |  |                         float vecY = (float)(yi - y) + Lookup<float>::RandVecs3D[idx | 1] * cellularJitter; | 
					
						
							|  |  |  |                         float vecZ = (float)(zi - z) + Lookup<float>::RandVecs3D[idx | 2] * cellularJitter; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                         float newDistance = (FastAbs(vecX) + FastAbs(vecY) + FastAbs(vecZ)) + (vecX * vecX + vecY * vecY + vecZ * vecZ); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |                         distance1 = FastMax(FastMin(distance1, newDistance), distance0); | 
					
						
							|  |  |  |                         if (newDistance < distance0) | 
					
						
							|  |  |  |                         { | 
					
						
							|  |  |  |                             distance0 = newDistance; | 
					
						
							|  |  |  |                             closestHash = hash; | 
					
						
							|  |  |  |                         } | 
					
						
							|  |  |  |                         zPrimed += PrimeZ; | 
					
						
							|  |  |  |                     } | 
					
						
							|  |  |  |                     yPrimed += PrimeY; | 
					
						
							|  |  |  |                 } | 
					
						
							|  |  |  |                 xPrimed += PrimeX; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         default: | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         if (mCellularDistanceFunction == CellularDistanceFunction_Euclidean && mCellularReturnType >= CellularReturnType_Distance) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             distance0 = FastSqrt(distance0); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             if (mCellularReturnType >= CellularReturnType_Distance2) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 distance1 = FastSqrt(distance1); | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         switch (mCellularReturnType) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |         case CellularReturnType_CellValue: | 
					
						
							|  |  |  |             return closestHash * (1 / 2147483648.0f); | 
					
						
							|  |  |  |         case CellularReturnType_Distance: | 
					
						
							|  |  |  |             return distance0 - 1; | 
					
						
							|  |  |  |         case CellularReturnType_Distance2: | 
					
						
							|  |  |  |             return distance1 - 1; | 
					
						
							|  |  |  |         case CellularReturnType_Distance2Add: | 
					
						
							|  |  |  |             return (distance1 + distance0) * 0.5f - 1; | 
					
						
							|  |  |  |         case CellularReturnType_Distance2Sub: | 
					
						
							|  |  |  |             return distance1 - distance0 - 1; | 
					
						
							|  |  |  |         case CellularReturnType_Distance2Mul: | 
					
						
							|  |  |  |             return distance1 * distance0 * 0.5f - 1; | 
					
						
							|  |  |  |         case CellularReturnType_Distance2Div: | 
					
						
							|  |  |  |             return distance0 / distance1 - 1; | 
					
						
							|  |  |  |         default: | 
					
						
							|  |  |  |             return 0; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							| 
									
										
										
										
											2022-04-30 16:43:16 +02:00
										 |  |  | #if defined(__GNUC__) && !defined(__clang__)
 | 
					
						
							|  |  |  | #pragma GCC diagnostic pop
 | 
					
						
							|  |  |  | #endif
 | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  | 
 | 
					
						
							|  |  |  |     // Perlin Noise
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float SinglePerlin(int seed, FNfloat x, FNfloat y) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int x0 = FastFloor(x); | 
					
						
							|  |  |  |         int y0 = FastFloor(y); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float xd0 = (float)(x - x0); | 
					
						
							|  |  |  |         float yd0 = (float)(y - y0); | 
					
						
							|  |  |  |         float xd1 = xd0 - 1; | 
					
						
							|  |  |  |         float yd1 = yd0 - 1; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float xs = InterpQuintic(xd0); | 
					
						
							|  |  |  |         float ys = InterpQuintic(yd0); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         x0 *= PrimeX; | 
					
						
							|  |  |  |         y0 *= PrimeY; | 
					
						
							|  |  |  |         int x1 = x0 + PrimeX; | 
					
						
							|  |  |  |         int y1 = y0 + PrimeY; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float xf0 = Lerp(GradCoord(seed, x0, y0, xd0, yd0), GradCoord(seed, x1, y0, xd1, yd0), xs); | 
					
						
							|  |  |  |         float xf1 = Lerp(GradCoord(seed, x0, y1, xd0, yd1), GradCoord(seed, x1, y1, xd1, yd1), xs); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         return Lerp(xf0, xf1, ys) * 1.4247691104677813f; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float SinglePerlin(int seed, FNfloat x, FNfloat y, FNfloat z) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int x0 = FastFloor(x); | 
					
						
							|  |  |  |         int y0 = FastFloor(y); | 
					
						
							|  |  |  |         int z0 = FastFloor(z); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float xd0 = (float)(x - x0); | 
					
						
							|  |  |  |         float yd0 = (float)(y - y0); | 
					
						
							|  |  |  |         float zd0 = (float)(z - z0); | 
					
						
							|  |  |  |         float xd1 = xd0 - 1; | 
					
						
							|  |  |  |         float yd1 = yd0 - 1; | 
					
						
							|  |  |  |         float zd1 = zd0 - 1; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float xs = InterpQuintic(xd0); | 
					
						
							|  |  |  |         float ys = InterpQuintic(yd0); | 
					
						
							|  |  |  |         float zs = InterpQuintic(zd0); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         x0 *= PrimeX; | 
					
						
							|  |  |  |         y0 *= PrimeY; | 
					
						
							|  |  |  |         z0 *= PrimeZ; | 
					
						
							|  |  |  |         int x1 = x0 + PrimeX; | 
					
						
							|  |  |  |         int y1 = y0 + PrimeY; | 
					
						
							|  |  |  |         int z1 = z0 + PrimeZ; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float xf00 = Lerp(GradCoord(seed, x0, y0, z0, xd0, yd0, zd0), GradCoord(seed, x1, y0, z0, xd1, yd0, zd0), xs); | 
					
						
							|  |  |  |         float xf10 = Lerp(GradCoord(seed, x0, y1, z0, xd0, yd1, zd0), GradCoord(seed, x1, y1, z0, xd1, yd1, zd0), xs); | 
					
						
							|  |  |  |         float xf01 = Lerp(GradCoord(seed, x0, y0, z1, xd0, yd0, zd1), GradCoord(seed, x1, y0, z1, xd1, yd0, zd1), xs); | 
					
						
							|  |  |  |         float xf11 = Lerp(GradCoord(seed, x0, y1, z1, xd0, yd1, zd1), GradCoord(seed, x1, y1, z1, xd1, yd1, zd1), xs); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float yf0 = Lerp(xf00, xf10, ys); | 
					
						
							|  |  |  |         float yf1 = Lerp(xf01, xf11, ys); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         return Lerp(yf0, yf1, zs) * 0.964921414852142333984375f; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     // Value Cubic Noise
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float SingleValueCubic(int seed, FNfloat x, FNfloat y) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int x1 = FastFloor(x); | 
					
						
							|  |  |  |         int y1 = FastFloor(y); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float xs = (float)(x - x1); | 
					
						
							|  |  |  |         float ys = (float)(y - y1); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         x1 *= PrimeX; | 
					
						
							|  |  |  |         y1 *= PrimeY; | 
					
						
							|  |  |  |         int x0 = x1 - PrimeX; | 
					
						
							|  |  |  |         int y0 = y1 - PrimeY; | 
					
						
							|  |  |  |         int x2 = x1 + PrimeX; | 
					
						
							|  |  |  |         int y2 = y1 + PrimeY; | 
					
						
							|  |  |  |         int x3 = x1 + (int)((long)PrimeX << 1); | 
					
						
							|  |  |  |         int y3 = y1 + (int)((long)PrimeY << 1); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         return CubicLerp( | 
					
						
							|  |  |  |             CubicLerp(ValCoord(seed, x0, y0), ValCoord(seed, x1, y0), ValCoord(seed, x2, y0), ValCoord(seed, x3, y0), | 
					
						
							|  |  |  |                       xs), | 
					
						
							|  |  |  |             CubicLerp(ValCoord(seed, x0, y1), ValCoord(seed, x1, y1), ValCoord(seed, x2, y1), ValCoord(seed, x3, y1), | 
					
						
							|  |  |  |                       xs), | 
					
						
							|  |  |  |             CubicLerp(ValCoord(seed, x0, y2), ValCoord(seed, x1, y2), ValCoord(seed, x2, y2), ValCoord(seed, x3, y2), | 
					
						
							|  |  |  |                       xs), | 
					
						
							|  |  |  |             CubicLerp(ValCoord(seed, x0, y3), ValCoord(seed, x1, y3), ValCoord(seed, x2, y3), ValCoord(seed, x3, y3), | 
					
						
							|  |  |  |                       xs), | 
					
						
							|  |  |  |             ys) * (1 / (1.5f * 1.5f)); | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float SingleValueCubic(int seed, FNfloat x, FNfloat y, FNfloat z) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int x1 = FastFloor(x); | 
					
						
							|  |  |  |         int y1 = FastFloor(y); | 
					
						
							|  |  |  |         int z1 = FastFloor(z); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float xs = (float)(x - x1); | 
					
						
							|  |  |  |         float ys = (float)(y - y1); | 
					
						
							|  |  |  |         float zs = (float)(z - z1); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         x1 *= PrimeX; | 
					
						
							|  |  |  |         y1 *= PrimeY; | 
					
						
							|  |  |  |         z1 *= PrimeZ; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         int x0 = x1 - PrimeX; | 
					
						
							|  |  |  |         int y0 = y1 - PrimeY; | 
					
						
							|  |  |  |         int z0 = z1 - PrimeZ; | 
					
						
							|  |  |  |         int x2 = x1 + PrimeX; | 
					
						
							|  |  |  |         int y2 = y1 + PrimeY; | 
					
						
							|  |  |  |         int z2 = z1 + PrimeZ; | 
					
						
							|  |  |  |         int x3 = x1 + (int)((long)PrimeX << 1); | 
					
						
							|  |  |  |         int y3 = y1 + (int)((long)PrimeY << 1); | 
					
						
							|  |  |  |         int z3 = z1 + (int)((long)PrimeZ << 1); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         return CubicLerp( | 
					
						
							|  |  |  |             CubicLerp( | 
					
						
							|  |  |  |                 CubicLerp(ValCoord(seed, x0, y0, z0), ValCoord(seed, x1, y0, z0), ValCoord(seed, x2, y0, z0), ValCoord(seed, x3, y0, z0), xs), | 
					
						
							|  |  |  |                 CubicLerp(ValCoord(seed, x0, y1, z0), ValCoord(seed, x1, y1, z0), ValCoord(seed, x2, y1, z0), ValCoord(seed, x3, y1, z0), xs), | 
					
						
							|  |  |  |                 CubicLerp(ValCoord(seed, x0, y2, z0), ValCoord(seed, x1, y2, z0), ValCoord(seed, x2, y2, z0), ValCoord(seed, x3, y2, z0), xs), | 
					
						
							|  |  |  |                 CubicLerp(ValCoord(seed, x0, y3, z0), ValCoord(seed, x1, y3, z0), ValCoord(seed, x2, y3, z0), ValCoord(seed, x3, y3, z0), xs), | 
					
						
							|  |  |  |                 ys), | 
					
						
							|  |  |  |             CubicLerp( | 
					
						
							|  |  |  |                 CubicLerp(ValCoord(seed, x0, y0, z1), ValCoord(seed, x1, y0, z1), ValCoord(seed, x2, y0, z1), ValCoord(seed, x3, y0, z1), xs), | 
					
						
							|  |  |  |                 CubicLerp(ValCoord(seed, x0, y1, z1), ValCoord(seed, x1, y1, z1), ValCoord(seed, x2, y1, z1), ValCoord(seed, x3, y1, z1), xs), | 
					
						
							|  |  |  |                 CubicLerp(ValCoord(seed, x0, y2, z1), ValCoord(seed, x1, y2, z1), ValCoord(seed, x2, y2, z1), ValCoord(seed, x3, y2, z1), xs), | 
					
						
							|  |  |  |                 CubicLerp(ValCoord(seed, x0, y3, z1), ValCoord(seed, x1, y3, z1), ValCoord(seed, x2, y3, z1), ValCoord(seed, x3, y3, z1), xs), | 
					
						
							|  |  |  |                 ys), | 
					
						
							|  |  |  |             CubicLerp( | 
					
						
							|  |  |  |                 CubicLerp(ValCoord(seed, x0, y0, z2), ValCoord(seed, x1, y0, z2), ValCoord(seed, x2, y0, z2), ValCoord(seed, x3, y0, z2), xs), | 
					
						
							|  |  |  |                 CubicLerp(ValCoord(seed, x0, y1, z2), ValCoord(seed, x1, y1, z2), ValCoord(seed, x2, y1, z2), ValCoord(seed, x3, y1, z2), xs), | 
					
						
							|  |  |  |                 CubicLerp(ValCoord(seed, x0, y2, z2), ValCoord(seed, x1, y2, z2), ValCoord(seed, x2, y2, z2), ValCoord(seed, x3, y2, z2), xs), | 
					
						
							|  |  |  |                 CubicLerp(ValCoord(seed, x0, y3, z2), ValCoord(seed, x1, y3, z2), ValCoord(seed, x2, y3, z2), ValCoord(seed, x3, y3, z2), xs), | 
					
						
							|  |  |  |                 ys), | 
					
						
							|  |  |  |             CubicLerp( | 
					
						
							|  |  |  |                 CubicLerp(ValCoord(seed, x0, y0, z3), ValCoord(seed, x1, y0, z3), ValCoord(seed, x2, y0, z3), ValCoord(seed, x3, y0, z3), xs), | 
					
						
							|  |  |  |                 CubicLerp(ValCoord(seed, x0, y1, z3), ValCoord(seed, x1, y1, z3), ValCoord(seed, x2, y1, z3), ValCoord(seed, x3, y1, z3), xs), | 
					
						
							|  |  |  |                 CubicLerp(ValCoord(seed, x0, y2, z3), ValCoord(seed, x1, y2, z3), ValCoord(seed, x2, y2, z3), ValCoord(seed, x3, y2, z3), xs), | 
					
						
							|  |  |  |                 CubicLerp(ValCoord(seed, x0, y3, z3), ValCoord(seed, x1, y3, z3), ValCoord(seed, x2, y3, z3), ValCoord(seed, x3, y3, z3), xs), | 
					
						
							|  |  |  |                 ys), | 
					
						
							|  |  |  |             zs) * (1 / (1.5f * 1.5f * 1.5f)); | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     // Value Noise
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float SingleValue(int seed, FNfloat x, FNfloat y) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int x0 = FastFloor(x); | 
					
						
							|  |  |  |         int y0 = FastFloor(y); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float xs = InterpHermite((float)(x - x0)); | 
					
						
							|  |  |  |         float ys = InterpHermite((float)(y - y0)); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         x0 *= PrimeX; | 
					
						
							|  |  |  |         y0 *= PrimeY; | 
					
						
							|  |  |  |         int x1 = x0 + PrimeX; | 
					
						
							|  |  |  |         int y1 = y0 + PrimeY; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float xf0 = Lerp(ValCoord(seed, x0, y0), ValCoord(seed, x1, y0), xs); | 
					
						
							|  |  |  |         float xf1 = Lerp(ValCoord(seed, x0, y1), ValCoord(seed, x1, y1), xs); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         return Lerp(xf0, xf1, ys); | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     float SingleValue(int seed, FNfloat x, FNfloat y, FNfloat z) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int x0 = FastFloor(x); | 
					
						
							|  |  |  |         int y0 = FastFloor(y); | 
					
						
							|  |  |  |         int z0 = FastFloor(z); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float xs = InterpHermite((float)(x - x0)); | 
					
						
							|  |  |  |         float ys = InterpHermite((float)(y - y0)); | 
					
						
							|  |  |  |         float zs = InterpHermite((float)(z - z0)); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         x0 *= PrimeX; | 
					
						
							|  |  |  |         y0 *= PrimeY; | 
					
						
							|  |  |  |         z0 *= PrimeZ; | 
					
						
							|  |  |  |         int x1 = x0 + PrimeX; | 
					
						
							|  |  |  |         int y1 = y0 + PrimeY; | 
					
						
							|  |  |  |         int z1 = z0 + PrimeZ; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float xf00 = Lerp(ValCoord(seed, x0, y0, z0), ValCoord(seed, x1, y0, z0), xs); | 
					
						
							|  |  |  |         float xf10 = Lerp(ValCoord(seed, x0, y1, z0), ValCoord(seed, x1, y1, z0), xs); | 
					
						
							|  |  |  |         float xf01 = Lerp(ValCoord(seed, x0, y0, z1), ValCoord(seed, x1, y0, z1), xs); | 
					
						
							|  |  |  |         float xf11 = Lerp(ValCoord(seed, x0, y1, z1), ValCoord(seed, x1, y1, z1), xs); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float yf0 = Lerp(xf00, xf10, ys); | 
					
						
							|  |  |  |         float yf1 = Lerp(xf01, xf11, ys); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         return Lerp(yf0, yf1, zs); | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     // Domain Warp
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void DoSingleDomainWarp(int seed, float amp, float freq, FNfloat x, FNfloat y, FNfloat& xr, FNfloat& yr) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         switch (mDomainWarpType) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |         case DomainWarpType_OpenSimplex2: | 
					
						
							|  |  |  |             SingleDomainWarpSimplexGradient(seed, amp * 38.283687591552734375f, freq, x, y, xr, yr, false); | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         case DomainWarpType_OpenSimplex2Reduced: | 
					
						
							|  |  |  |             SingleDomainWarpSimplexGradient(seed, amp * 16.0f, freq, x, y, xr, yr, true); | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         case DomainWarpType_BasicGrid: | 
					
						
							|  |  |  |             SingleDomainWarpBasicGrid(seed, amp, freq, x, y, xr, yr); | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void DoSingleDomainWarp(int seed, float amp, float freq, FNfloat x, FNfloat y, FNfloat z, FNfloat& xr, FNfloat& yr, FNfloat& zr) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         switch (mDomainWarpType) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |         case DomainWarpType_OpenSimplex2: | 
					
						
							|  |  |  |             SingleDomainWarpOpenSimplex2Gradient(seed, amp * 32.69428253173828125f, freq, x, y, z, xr, yr, zr, false); | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         case DomainWarpType_OpenSimplex2Reduced: | 
					
						
							|  |  |  |             SingleDomainWarpOpenSimplex2Gradient(seed, amp * 7.71604938271605f, freq, x, y, z, xr, yr, zr, true); | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         case DomainWarpType_BasicGrid: | 
					
						
							|  |  |  |             SingleDomainWarpBasicGrid(seed, amp, freq, x, y, z, xr, yr, zr); | 
					
						
							|  |  |  |             break; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     // Domain Warp Single Wrapper
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void DomainWarpSingle(FNfloat& x, FNfloat& y) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int seed = mSeed; | 
					
						
							|  |  |  |         float amp = mDomainWarpAmp * mFractalBounding; | 
					
						
							|  |  |  |         float freq = mFrequency; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         FNfloat xs = x; | 
					
						
							|  |  |  |         FNfloat ys = y; | 
					
						
							|  |  |  |         TransformDomainWarpCoordinate(xs, ys); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         DoSingleDomainWarp(seed, amp, freq, xs, ys, x, y); | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void DomainWarpSingle(FNfloat& x, FNfloat& y, FNfloat& z) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int seed = mSeed; | 
					
						
							|  |  |  |         float amp = mDomainWarpAmp * mFractalBounding; | 
					
						
							|  |  |  |         float freq = mFrequency; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         FNfloat xs = x; | 
					
						
							|  |  |  |         FNfloat ys = y; | 
					
						
							|  |  |  |         FNfloat zs = z; | 
					
						
							|  |  |  |         TransformDomainWarpCoordinate(xs, ys, zs); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         DoSingleDomainWarp(seed, amp, freq, xs, ys, zs, x, y, z); | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     // Domain Warp Fractal Progressive
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void DomainWarpFractalProgressive(FNfloat& x, FNfloat& y) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int seed = mSeed; | 
					
						
							|  |  |  |         float amp = mDomainWarpAmp * mFractalBounding; | 
					
						
							|  |  |  |         float freq = mFrequency; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         for (int i = 0; i < mOctaves; i++) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             FNfloat xs = x; | 
					
						
							|  |  |  |             FNfloat ys = y; | 
					
						
							|  |  |  |             TransformDomainWarpCoordinate(xs, ys); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             DoSingleDomainWarp(seed, amp, freq, xs, ys, x, y); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             seed++; | 
					
						
							|  |  |  |             amp *= mGain; | 
					
						
							|  |  |  |             freq *= mLacunarity; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void DomainWarpFractalProgressive(FNfloat& x, FNfloat& y, FNfloat& z) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         int seed = mSeed; | 
					
						
							|  |  |  |         float amp = mDomainWarpAmp * mFractalBounding; | 
					
						
							|  |  |  |         float freq = mFrequency; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         for (int i = 0; i < mOctaves; i++) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             FNfloat xs = x; | 
					
						
							|  |  |  |             FNfloat ys = y; | 
					
						
							|  |  |  |             FNfloat zs = z; | 
					
						
							|  |  |  |             TransformDomainWarpCoordinate(xs, ys, zs); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             DoSingleDomainWarp(seed, amp, freq, xs, ys, zs, x, y, z); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             seed++; | 
					
						
							|  |  |  |             amp *= mGain; | 
					
						
							|  |  |  |             freq *= mLacunarity; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     // Domain Warp Fractal Independant
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void DomainWarpFractalIndependent(FNfloat& x, FNfloat& y) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         FNfloat xs = x; | 
					
						
							|  |  |  |         FNfloat ys = y; | 
					
						
							|  |  |  |         TransformDomainWarpCoordinate(xs, ys); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         int seed = mSeed; | 
					
						
							|  |  |  |         float amp = mDomainWarpAmp * mFractalBounding; | 
					
						
							|  |  |  |         float freq = mFrequency; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         for (int i = 0; i < mOctaves; i++) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             DoSingleDomainWarp(seed, amp, freq, xs, ys, x, y); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             seed++; | 
					
						
							|  |  |  |             amp *= mGain; | 
					
						
							|  |  |  |             freq *= mLacunarity; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void DomainWarpFractalIndependent(FNfloat& x, FNfloat& y, FNfloat& z) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         FNfloat xs = x; | 
					
						
							|  |  |  |         FNfloat ys = y; | 
					
						
							|  |  |  |         FNfloat zs = z; | 
					
						
							|  |  |  |         TransformDomainWarpCoordinate(xs, ys, zs); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         int seed = mSeed; | 
					
						
							|  |  |  |         float amp = mDomainWarpAmp * mFractalBounding; | 
					
						
							|  |  |  |         float freq = mFrequency; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         for (int i = 0; i < mOctaves; i++) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             DoSingleDomainWarp(seed, amp, freq, xs, ys, zs, x, y, z); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             seed++; | 
					
						
							|  |  |  |             amp *= mGain; | 
					
						
							|  |  |  |             freq *= mLacunarity; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     // Domain Warp Basic Grid
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void SingleDomainWarpBasicGrid(int seed, float warpAmp, float frequency, FNfloat x, FNfloat y, FNfloat& xr, FNfloat& yr) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         FNfloat xf = x * frequency; | 
					
						
							|  |  |  |         FNfloat yf = y * frequency; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         int x0 = FastFloor(xf); | 
					
						
							|  |  |  |         int y0 = FastFloor(yf); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float xs = InterpHermite((float)(xf - x0)); | 
					
						
							|  |  |  |         float ys = InterpHermite((float)(yf - y0)); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         x0 *= PrimeX; | 
					
						
							|  |  |  |         y0 *= PrimeY; | 
					
						
							|  |  |  |         int x1 = x0 + PrimeX; | 
					
						
							|  |  |  |         int y1 = y0 + PrimeY; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         int hash0 = Hash(seed, x0, y0) & (255 << 1); | 
					
						
							|  |  |  |         int hash1 = Hash(seed, x1, y0) & (255 << 1); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float lx0x = Lerp(Lookup<float>::RandVecs2D[hash0], Lookup<float>::RandVecs2D[hash1], xs); | 
					
						
							|  |  |  |         float ly0x = Lerp(Lookup<float>::RandVecs2D[hash0 | 1], Lookup<float>::RandVecs2D[hash1 | 1], xs); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         hash0 = Hash(seed, x0, y1) & (255 << 1); | 
					
						
							|  |  |  |         hash1 = Hash(seed, x1, y1) & (255 << 1); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float lx1x = Lerp(Lookup<float>::RandVecs2D[hash0], Lookup<float>::RandVecs2D[hash1], xs); | 
					
						
							|  |  |  |         float ly1x = Lerp(Lookup<float>::RandVecs2D[hash0 | 1], Lookup<float>::RandVecs2D[hash1 | 1], xs); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         xr += Lerp(lx0x, lx1x, ys) * warpAmp; | 
					
						
							|  |  |  |         yr += Lerp(ly0x, ly1x, ys) * warpAmp; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void SingleDomainWarpBasicGrid(int seed, float warpAmp, float frequency, FNfloat x, FNfloat y, FNfloat z, FNfloat& xr, FNfloat& yr, FNfloat& zr) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         FNfloat xf = x * frequency; | 
					
						
							|  |  |  |         FNfloat yf = y * frequency; | 
					
						
							|  |  |  |         FNfloat zf = z * frequency; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         int x0 = FastFloor(xf); | 
					
						
							|  |  |  |         int y0 = FastFloor(yf); | 
					
						
							|  |  |  |         int z0 = FastFloor(zf); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float xs = InterpHermite((float)(xf - x0)); | 
					
						
							|  |  |  |         float ys = InterpHermite((float)(yf - y0)); | 
					
						
							|  |  |  |         float zs = InterpHermite((float)(zf - z0)); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         x0 *= PrimeX; | 
					
						
							|  |  |  |         y0 *= PrimeY; | 
					
						
							|  |  |  |         z0 *= PrimeZ; | 
					
						
							|  |  |  |         int x1 = x0 + PrimeX; | 
					
						
							|  |  |  |         int y1 = y0 + PrimeY; | 
					
						
							|  |  |  |         int z1 = z0 + PrimeZ; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         int hash0 = Hash(seed, x0, y0, z0) & (255 << 2); | 
					
						
							|  |  |  |         int hash1 = Hash(seed, x1, y0, z0) & (255 << 2); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float lx0x = Lerp(Lookup<float>::RandVecs3D[hash0], Lookup<float>::RandVecs3D[hash1], xs); | 
					
						
							|  |  |  |         float ly0x = Lerp(Lookup<float>::RandVecs3D[hash0 | 1], Lookup<float>::RandVecs3D[hash1 | 1], xs); | 
					
						
							|  |  |  |         float lz0x = Lerp(Lookup<float>::RandVecs3D[hash0 | 2], Lookup<float>::RandVecs3D[hash1 | 2], xs); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         hash0 = Hash(seed, x0, y1, z0) & (255 << 2); | 
					
						
							|  |  |  |         hash1 = Hash(seed, x1, y1, z0) & (255 << 2); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float lx1x = Lerp(Lookup<float>::RandVecs3D[hash0], Lookup<float>::RandVecs3D[hash1], xs); | 
					
						
							|  |  |  |         float ly1x = Lerp(Lookup<float>::RandVecs3D[hash0 | 1], Lookup<float>::RandVecs3D[hash1 | 1], xs); | 
					
						
							|  |  |  |         float lz1x = Lerp(Lookup<float>::RandVecs3D[hash0 | 2], Lookup<float>::RandVecs3D[hash1 | 2], xs); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float lx0y = Lerp(lx0x, lx1x, ys); | 
					
						
							|  |  |  |         float ly0y = Lerp(ly0x, ly1x, ys); | 
					
						
							|  |  |  |         float lz0y = Lerp(lz0x, lz1x, ys); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         hash0 = Hash(seed, x0, y0, z1) & (255 << 2); | 
					
						
							|  |  |  |         hash1 = Hash(seed, x1, y0, z1) & (255 << 2); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         lx0x = Lerp(Lookup<float>::RandVecs3D[hash0], Lookup<float>::RandVecs3D[hash1], xs); | 
					
						
							|  |  |  |         ly0x = Lerp(Lookup<float>::RandVecs3D[hash0 | 1], Lookup<float>::RandVecs3D[hash1 | 1], xs); | 
					
						
							|  |  |  |         lz0x = Lerp(Lookup<float>::RandVecs3D[hash0 | 2], Lookup<float>::RandVecs3D[hash1 | 2], xs); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         hash0 = Hash(seed, x0, y1, z1) & (255 << 2); | 
					
						
							|  |  |  |         hash1 = Hash(seed, x1, y1, z1) & (255 << 2); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         lx1x = Lerp(Lookup<float>::RandVecs3D[hash0], Lookup<float>::RandVecs3D[hash1], xs); | 
					
						
							|  |  |  |         ly1x = Lerp(Lookup<float>::RandVecs3D[hash0 | 1], Lookup<float>::RandVecs3D[hash1 | 1], xs); | 
					
						
							|  |  |  |         lz1x = Lerp(Lookup<float>::RandVecs3D[hash0 | 2], Lookup<float>::RandVecs3D[hash1 | 2], xs); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         xr += Lerp(lx0y, Lerp(lx0x, lx1x, ys), zs) * warpAmp; | 
					
						
							|  |  |  |         yr += Lerp(ly0y, Lerp(ly0x, ly1x, ys), zs) * warpAmp; | 
					
						
							|  |  |  |         zr += Lerp(lz0y, Lerp(lz0x, lz1x, ys), zs) * warpAmp; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     // Domain Warp Simplex/OpenSimplex2
 | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void SingleDomainWarpSimplexGradient(int seed, float warpAmp, float frequency, FNfloat x, FNfloat y, FNfloat& xr, FNfloat& yr, bool outGradOnly) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         const float SQRT3 = 1.7320508075688772935274463415059f; | 
					
						
							|  |  |  |         const float G2 = (3 - SQRT3) / 6; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         x *= frequency; | 
					
						
							|  |  |  |         y *= frequency; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         /*
 | 
					
						
							|  |  |  |          * --- Skew moved to TransformNoiseCoordinate method --- | 
					
						
							|  |  |  |          * const FNfloat F2 = 0.5f * (SQRT3 - 1); | 
					
						
							|  |  |  |          * FNfloat s = (x + y) * F2; | 
					
						
							|  |  |  |          * x += s; y += s; | 
					
						
							|  |  |  |         */ | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         int i = FastFloor(x); | 
					
						
							|  |  |  |         int j = FastFloor(y); | 
					
						
							|  |  |  |         float xi = (float)(x - i); | 
					
						
							|  |  |  |         float yi = (float)(y - j); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float t = (xi + yi) * G2; | 
					
						
							|  |  |  |         float x0 = (float)(xi - t); | 
					
						
							|  |  |  |         float y0 = (float)(yi - t); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         i *= PrimeX; | 
					
						
							|  |  |  |         j *= PrimeY; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float vx, vy; | 
					
						
							|  |  |  |         vx = vy = 0; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float a = 0.5f - x0 * x0 - y0 * y0; | 
					
						
							|  |  |  |         if (a > 0) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float aaaa = (a * a) * (a * a); | 
					
						
							|  |  |  |             float xo, yo; | 
					
						
							|  |  |  |             if (outGradOnly) | 
					
						
							|  |  |  |                 GradCoordOut(seed, i, j, xo, yo); | 
					
						
							|  |  |  |             else | 
					
						
							|  |  |  |                 GradCoordDual(seed, i, j, x0, y0, xo, yo); | 
					
						
							|  |  |  |             vx += aaaa * xo; | 
					
						
							|  |  |  |             vy += aaaa * yo; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float c = (float)(2 * (1 - 2 * G2) * (1 / G2 - 2)) * t + ((float)(-2 * (1 - 2 * G2) * (1 - 2 * G2)) + a); | 
					
						
							|  |  |  |         if (c > 0) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float x2 = x0 + (2 * (float)G2 - 1); | 
					
						
							|  |  |  |             float y2 = y0 + (2 * (float)G2 - 1); | 
					
						
							|  |  |  |             float cccc = (c * c) * (c * c); | 
					
						
							|  |  |  |             float xo, yo; | 
					
						
							|  |  |  |             if (outGradOnly) | 
					
						
							|  |  |  |                 GradCoordOut(seed, i + PrimeX, j + PrimeY, xo, yo); | 
					
						
							|  |  |  |             else | 
					
						
							|  |  |  |                 GradCoordDual(seed, i + PrimeX, j + PrimeY, x2, y2, xo, yo); | 
					
						
							|  |  |  |             vx += cccc * xo; | 
					
						
							|  |  |  |             vy += cccc * yo; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         if (y0 > x0) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float x1 = x0 + (float)G2; | 
					
						
							|  |  |  |             float y1 = y0 + ((float)G2 - 1); | 
					
						
							|  |  |  |             float b = 0.5f - x1 * x1 - y1 * y1; | 
					
						
							|  |  |  |             if (b > 0) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 float bbbb = (b * b) * (b * b); | 
					
						
							|  |  |  |                 float xo, yo; | 
					
						
							|  |  |  |                 if (outGradOnly) | 
					
						
							|  |  |  |                     GradCoordOut(seed, i, j + PrimeY, xo, yo); | 
					
						
							|  |  |  |                 else | 
					
						
							|  |  |  |                     GradCoordDual(seed, i, j + PrimeY, x1, y1, xo, yo); | 
					
						
							|  |  |  |                 vx += bbbb * xo; | 
					
						
							|  |  |  |                 vy += bbbb * yo; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  |         else | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             float x1 = x0 + ((float)G2 - 1); | 
					
						
							|  |  |  |             float y1 = y0 + (float)G2; | 
					
						
							|  |  |  |             float b = 0.5f - x1 * x1 - y1 * y1; | 
					
						
							|  |  |  |             if (b > 0) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 float bbbb = (b * b) * (b * b); | 
					
						
							|  |  |  |                 float xo, yo; | 
					
						
							|  |  |  |                 if (outGradOnly) | 
					
						
							|  |  |  |                     GradCoordOut(seed, i + PrimeX, j, xo, yo); | 
					
						
							|  |  |  |                 else | 
					
						
							|  |  |  |                     GradCoordDual(seed, i + PrimeX, j, x1, y1, xo, yo); | 
					
						
							|  |  |  |                 vx += bbbb * xo; | 
					
						
							|  |  |  |                 vy += bbbb * yo; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         xr += vx * warpAmp; | 
					
						
							|  |  |  |         yr += vy * warpAmp; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |     template <typename FNfloat> | 
					
						
							| 
									
										
										
										
											2022-04-19 19:48:25 +02:00
										 |  |  |     void SingleDomainWarpOpenSimplex2Gradient(int seed, float warpAmp, float frequency, FNfloat x, FNfloat y, FNfloat z, FNfloat& xr, FNfloat& yr, FNfloat& zr, bool outGradOnly) const | 
					
						
							| 
									
										
										
										
											2022-03-20 14:53:45 +01:00
										 |  |  |     { | 
					
						
							|  |  |  |         x *= frequency; | 
					
						
							|  |  |  |         y *= frequency; | 
					
						
							|  |  |  |         z *= frequency; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         /*
 | 
					
						
							|  |  |  |          * --- Rotation moved to TransformDomainWarpCoordinate method --- | 
					
						
							|  |  |  |          * const FNfloat R3 = (FNfloat)(2.0 / 3.0); | 
					
						
							|  |  |  |          * FNfloat r = (x + y + z) * R3; // Rotation, not skew
 | 
					
						
							|  |  |  |          * x = r - x; y = r - y; z = r - z; | 
					
						
							|  |  |  |         */ | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         int i = FastRound(x); | 
					
						
							|  |  |  |         int j = FastRound(y); | 
					
						
							|  |  |  |         int k = FastRound(z); | 
					
						
							|  |  |  |         float x0 = (float)x - i; | 
					
						
							|  |  |  |         float y0 = (float)y - j; | 
					
						
							|  |  |  |         float z0 = (float)z - k; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         int xNSign = (int)(-x0 - 1.0f) | 1; | 
					
						
							|  |  |  |         int yNSign = (int)(-y0 - 1.0f) | 1; | 
					
						
							|  |  |  |         int zNSign = (int)(-z0 - 1.0f) | 1; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float ax0 = xNSign * -x0; | 
					
						
							|  |  |  |         float ay0 = yNSign * -y0; | 
					
						
							|  |  |  |         float az0 = zNSign * -z0; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         i *= PrimeX; | 
					
						
							|  |  |  |         j *= PrimeY; | 
					
						
							|  |  |  |         k *= PrimeZ; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float vx, vy, vz; | 
					
						
							|  |  |  |         vx = vy = vz = 0; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         float a = (0.6f - x0 * x0) - (y0 * y0 + z0 * z0); | 
					
						
							|  |  |  |         for (int l = 0; l < 2; l++) | 
					
						
							|  |  |  |         { | 
					
						
							|  |  |  |             if (a > 0) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 float aaaa = (a * a) * (a * a); | 
					
						
							|  |  |  |                 float xo, yo, zo; | 
					
						
							|  |  |  |                 if (outGradOnly) | 
					
						
							|  |  |  |                     GradCoordOut(seed, i, j, k, xo, yo, zo); | 
					
						
							|  |  |  |                 else | 
					
						
							|  |  |  |                     GradCoordDual(seed, i, j, k, x0, y0, z0, xo, yo, zo); | 
					
						
							|  |  |  |                 vx += aaaa * xo; | 
					
						
							|  |  |  |                 vy += aaaa * yo; | 
					
						
							|  |  |  |                 vz += aaaa * zo; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             float b = a + 1; | 
					
						
							|  |  |  |             int i1 = i; | 
					
						
							|  |  |  |             int j1 = j; | 
					
						
							|  |  |  |             int k1 = k; | 
					
						
							|  |  |  |             float x1 = x0; | 
					
						
							|  |  |  |             float y1 = y0; | 
					
						
							|  |  |  |             float z1 = z0; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             if (ax0 >= ay0 && ax0 >= az0) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 x1 += xNSign; | 
					
						
							|  |  |  |                 b -= xNSign * 2 * x1; | 
					
						
							|  |  |  |                 i1 -= xNSign * PrimeX; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             else if (ay0 > ax0 && ay0 >= az0) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 y1 += yNSign; | 
					
						
							|  |  |  |                 b -= yNSign * 2 * y1; | 
					
						
							|  |  |  |                 j1 -= yNSign * PrimeY; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  |             else | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 z1 += zNSign; | 
					
						
							|  |  |  |                 b -= zNSign * 2 * z1; | 
					
						
							|  |  |  |                 k1 -= zNSign * PrimeZ; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             if (b > 0) | 
					
						
							|  |  |  |             { | 
					
						
							|  |  |  |                 float bbbb = (b * b) * (b * b); | 
					
						
							|  |  |  |                 float xo, yo, zo; | 
					
						
							|  |  |  |                 if (outGradOnly) | 
					
						
							|  |  |  |                     GradCoordOut(seed, i1, j1, k1, xo, yo, zo); | 
					
						
							|  |  |  |                 else | 
					
						
							|  |  |  |                     GradCoordDual(seed, i1, j1, k1, x1, y1, z1, xo, yo, zo); | 
					
						
							|  |  |  |                 vx += bbbb * xo; | 
					
						
							|  |  |  |                 vy += bbbb * yo; | 
					
						
							|  |  |  |                 vz += bbbb * zo; | 
					
						
							|  |  |  |             } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             if (l == 1) break; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             ax0 = 0.5f - ax0; | 
					
						
							|  |  |  |             ay0 = 0.5f - ay0; | 
					
						
							|  |  |  |             az0 = 0.5f - az0; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             x0 = xNSign * ax0; | 
					
						
							|  |  |  |             y0 = yNSign * ay0; | 
					
						
							|  |  |  |             z0 = zNSign * az0; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             a += (0.75f - ax0) - (ay0 + az0); | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             i += (xNSign >> 1) & PrimeX; | 
					
						
							|  |  |  |             j += (yNSign >> 1) & PrimeY; | 
					
						
							|  |  |  |             k += (zNSign >> 1) & PrimeZ; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             xNSign = -xNSign; | 
					
						
							|  |  |  |             yNSign = -yNSign; | 
					
						
							|  |  |  |             zNSign = -zNSign; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |             seed += 1293373; | 
					
						
							|  |  |  |         } | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  |         xr += vx * warpAmp; | 
					
						
							|  |  |  |         yr += vy * warpAmp; | 
					
						
							|  |  |  |         zr += vz * warpAmp; | 
					
						
							|  |  |  |     } | 
					
						
							|  |  |  | }; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | template <> | 
					
						
							|  |  |  | struct FastNoiseLite::Arguments_must_be_floating_point_values<float> {}; | 
					
						
							|  |  |  | template <> | 
					
						
							|  |  |  | struct FastNoiseLite::Arguments_must_be_floating_point_values<double> {}; | 
					
						
							|  |  |  | template <> | 
					
						
							|  |  |  | struct FastNoiseLite::Arguments_must_be_floating_point_values<long double> {}; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | template <typename T> | 
					
						
							|  |  |  | const T FastNoiseLite::Lookup<T>::Gradients2D[] = | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  |     0.130526192220052f, 0.99144486137381f, 0.38268343236509f, 0.923879532511287f, 0.608761429008721f, 0.793353340291235f, 0.793353340291235f, 0.608761429008721f, | 
					
						
							|  |  |  |     0.923879532511287f, 0.38268343236509f, 0.99144486137381f, 0.130526192220051f, 0.99144486137381f, -0.130526192220051f, 0.923879532511287f, -0.38268343236509f, | 
					
						
							|  |  |  |     0.793353340291235f, -0.60876142900872f, 0.608761429008721f, -0.793353340291235f, 0.38268343236509f, -0.923879532511287f, 0.130526192220052f, -0.99144486137381f, | 
					
						
							|  |  |  |     -0.130526192220052f, -0.99144486137381f, -0.38268343236509f, -0.923879532511287f, -0.608761429008721f, -0.793353340291235f, -0.793353340291235f, -0.608761429008721f, | 
					
						
							|  |  |  |     -0.923879532511287f, -0.38268343236509f, -0.99144486137381f, -0.130526192220052f, -0.99144486137381f, 0.130526192220051f, -0.923879532511287f, 0.38268343236509f, | 
					
						
							|  |  |  |     -0.793353340291235f, 0.608761429008721f, -0.608761429008721f, 0.793353340291235f, -0.38268343236509f, 0.923879532511287f, -0.130526192220052f, 0.99144486137381f, | 
					
						
							|  |  |  |     0.130526192220052f, 0.99144486137381f, 0.38268343236509f, 0.923879532511287f, 0.608761429008721f, 0.793353340291235f, 0.793353340291235f, 0.608761429008721f, | 
					
						
							|  |  |  |     0.923879532511287f, 0.38268343236509f, 0.99144486137381f, 0.130526192220051f, 0.99144486137381f, -0.130526192220051f, 0.923879532511287f, -0.38268343236509f, | 
					
						
							|  |  |  |     0.793353340291235f, -0.60876142900872f, 0.608761429008721f, -0.793353340291235f, 0.38268343236509f, -0.923879532511287f, 0.130526192220052f, -0.99144486137381f, | 
					
						
							|  |  |  |     -0.130526192220052f, -0.99144486137381f, -0.38268343236509f, -0.923879532511287f, -0.608761429008721f, -0.793353340291235f, -0.793353340291235f, -0.608761429008721f, | 
					
						
							|  |  |  |     -0.923879532511287f, -0.38268343236509f, -0.99144486137381f, -0.130526192220052f, -0.99144486137381f, 0.130526192220051f, -0.923879532511287f, 0.38268343236509f, | 
					
						
							|  |  |  |     -0.793353340291235f, 0.608761429008721f, -0.608761429008721f, 0.793353340291235f, -0.38268343236509f, 0.923879532511287f, -0.130526192220052f, 0.99144486137381f, | 
					
						
							|  |  |  |     0.130526192220052f, 0.99144486137381f, 0.38268343236509f, 0.923879532511287f, 0.608761429008721f, 0.793353340291235f, 0.793353340291235f, 0.608761429008721f, | 
					
						
							|  |  |  |     0.923879532511287f, 0.38268343236509f, 0.99144486137381f, 0.130526192220051f, 0.99144486137381f, -0.130526192220051f, 0.923879532511287f, -0.38268343236509f, | 
					
						
							|  |  |  |     0.793353340291235f, -0.60876142900872f, 0.608761429008721f, -0.793353340291235f, 0.38268343236509f, -0.923879532511287f, 0.130526192220052f, -0.99144486137381f, | 
					
						
							|  |  |  |     -0.130526192220052f, -0.99144486137381f, -0.38268343236509f, -0.923879532511287f, -0.608761429008721f, -0.793353340291235f, -0.793353340291235f, -0.608761429008721f, | 
					
						
							|  |  |  |     -0.923879532511287f, -0.38268343236509f, -0.99144486137381f, -0.130526192220052f, -0.99144486137381f, 0.130526192220051f, -0.923879532511287f, 0.38268343236509f, | 
					
						
							|  |  |  |     -0.793353340291235f, 0.608761429008721f, -0.608761429008721f, 0.793353340291235f, -0.38268343236509f, 0.923879532511287f, -0.130526192220052f, 0.99144486137381f, | 
					
						
							|  |  |  |     0.130526192220052f, 0.99144486137381f, 0.38268343236509f, 0.923879532511287f, 0.608761429008721f, 0.793353340291235f, 0.793353340291235f, 0.608761429008721f, | 
					
						
							|  |  |  |     0.923879532511287f, 0.38268343236509f, 0.99144486137381f, 0.130526192220051f, 0.99144486137381f, -0.130526192220051f, 0.923879532511287f, -0.38268343236509f, | 
					
						
							|  |  |  |     0.793353340291235f, -0.60876142900872f, 0.608761429008721f, -0.793353340291235f, 0.38268343236509f, -0.923879532511287f, 0.130526192220052f, -0.99144486137381f, | 
					
						
							|  |  |  |     -0.130526192220052f, -0.99144486137381f, -0.38268343236509f, -0.923879532511287f, -0.608761429008721f, -0.793353340291235f, -0.793353340291235f, -0.608761429008721f, | 
					
						
							|  |  |  |     -0.923879532511287f, -0.38268343236509f, -0.99144486137381f, -0.130526192220052f, -0.99144486137381f, 0.130526192220051f, -0.923879532511287f, 0.38268343236509f, | 
					
						
							|  |  |  |     -0.793353340291235f, 0.608761429008721f, -0.608761429008721f, 0.793353340291235f, -0.38268343236509f, 0.923879532511287f, -0.130526192220052f, 0.99144486137381f, | 
					
						
							|  |  |  |     0.130526192220052f, 0.99144486137381f, 0.38268343236509f, 0.923879532511287f, 0.608761429008721f, 0.793353340291235f, 0.793353340291235f, 0.608761429008721f, | 
					
						
							|  |  |  |     0.923879532511287f, 0.38268343236509f, 0.99144486137381f, 0.130526192220051f, 0.99144486137381f, -0.130526192220051f, 0.923879532511287f, -0.38268343236509f, | 
					
						
							|  |  |  |     0.793353340291235f, -0.60876142900872f, 0.608761429008721f, -0.793353340291235f, 0.38268343236509f, -0.923879532511287f, 0.130526192220052f, -0.99144486137381f, | 
					
						
							|  |  |  |     -0.130526192220052f, -0.99144486137381f, -0.38268343236509f, -0.923879532511287f, -0.608761429008721f, -0.793353340291235f, -0.793353340291235f, -0.608761429008721f, | 
					
						
							|  |  |  |     -0.923879532511287f, -0.38268343236509f, -0.99144486137381f, -0.130526192220052f, -0.99144486137381f, 0.130526192220051f, -0.923879532511287f, 0.38268343236509f, | 
					
						
							|  |  |  |     -0.793353340291235f, 0.608761429008721f, -0.608761429008721f, 0.793353340291235f, -0.38268343236509f, 0.923879532511287f, -0.130526192220052f, 0.99144486137381f, | 
					
						
							|  |  |  |     0.38268343236509f, 0.923879532511287f, 0.923879532511287f, 0.38268343236509f, 0.923879532511287f, -0.38268343236509f, 0.38268343236509f, -0.923879532511287f, | 
					
						
							|  |  |  |     -0.38268343236509f, -0.923879532511287f, -0.923879532511287f, -0.38268343236509f, -0.923879532511287f, 0.38268343236509f, -0.38268343236509f, 0.923879532511287f, | 
					
						
							|  |  |  | }; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | template <typename T> | 
					
						
							|  |  |  | const T FastNoiseLite::Lookup<T>::RandVecs2D[] = | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  |     -0.2700222198f, -0.9628540911f, 0.3863092627f, -0.9223693152f, 0.04444859006f, -0.999011673f, -0.5992523158f, -0.8005602176f, -0.7819280288f, 0.6233687174f, 0.9464672271f, 0.3227999196f, -0.6514146797f, -0.7587218957f, 0.9378472289f, 0.347048376f, | 
					
						
							|  |  |  |     -0.8497875957f, -0.5271252623f, -0.879042592f, 0.4767432447f, -0.892300288f, -0.4514423508f, -0.379844434f, -0.9250503802f, -0.9951650832f, 0.0982163789f, 0.7724397808f, -0.6350880136f, 0.7573283322f, -0.6530343002f, -0.9928004525f, -0.119780055f, | 
					
						
							|  |  |  |     -0.0532665713f, 0.9985803285f, 0.9754253726f, -0.2203300762f, -0.7665018163f, 0.6422421394f, 0.991636706f, 0.1290606184f, -0.994696838f, 0.1028503788f, -0.5379205513f, -0.84299554f, 0.5022815471f, -0.8647041387f, 0.4559821461f, -0.8899889226f, | 
					
						
							|  |  |  |     -0.8659131224f, -0.5001944266f, 0.0879458407f, -0.9961252577f, -0.5051684983f, 0.8630207346f, 0.7753185226f, -0.6315704146f, -0.6921944612f, 0.7217110418f, -0.5191659449f, -0.8546734591f, 0.8978622882f, -0.4402764035f, -0.1706774107f, 0.9853269617f, | 
					
						
							|  |  |  |     -0.9353430106f, -0.3537420705f, -0.9992404798f, 0.03896746794f, -0.2882064021f, -0.9575683108f, -0.9663811329f, 0.2571137995f, -0.8759714238f, -0.4823630009f, -0.8303123018f, -0.5572983775f, 0.05110133755f, -0.9986934731f, -0.8558373281f, -0.5172450752f, | 
					
						
							|  |  |  |     0.09887025282f, 0.9951003332f, 0.9189016087f, 0.3944867976f, -0.2439375892f, -0.9697909324f, -0.8121409387f, -0.5834613061f, -0.9910431363f, 0.1335421355f, 0.8492423985f, -0.5280031709f, -0.9717838994f, -0.2358729591f, 0.9949457207f, 0.1004142068f, | 
					
						
							|  |  |  |     0.6241065508f, -0.7813392434f, 0.662910307f, 0.7486988212f, -0.7197418176f, 0.6942418282f, -0.8143370775f, -0.5803922158f, 0.104521054f, -0.9945226741f, -0.1065926113f, -0.9943027784f, 0.445799684f, -0.8951327509f, 0.105547406f, 0.9944142724f, | 
					
						
							|  |  |  |     -0.992790267f, 0.1198644477f, -0.8334366408f, 0.552615025f, 0.9115561563f, -0.4111755999f, 0.8285544909f, -0.5599084351f, 0.7217097654f, -0.6921957921f, 0.4940492677f, -0.8694339084f, -0.3652321272f, -0.9309164803f, -0.9696606758f, 0.2444548501f, | 
					
						
							|  |  |  |     0.08925509731f, -0.996008799f, 0.5354071276f, -0.8445941083f, -0.1053576186f, 0.9944343981f, -0.9890284586f, 0.1477251101f, 0.004856104961f, 0.9999882091f, 0.9885598478f, 0.1508291331f, 0.9286129562f, -0.3710498316f, -0.5832393863f, -0.8123003252f, | 
					
						
							|  |  |  |     0.3015207509f, 0.9534596146f, -0.9575110528f, 0.2883965738f, 0.9715802154f, -0.2367105511f, 0.229981792f, 0.9731949318f, 0.955763816f, -0.2941352207f, 0.740956116f, 0.6715534485f, -0.9971513787f, -0.07542630764f, 0.6905710663f, -0.7232645452f, | 
					
						
							|  |  |  |     -0.290713703f, -0.9568100872f, 0.5912777791f, -0.8064679708f, -0.9454592212f, -0.325740481f, 0.6664455681f, 0.74555369f, 0.6236134912f, 0.7817328275f, 0.9126993851f, -0.4086316587f, -0.8191762011f, 0.5735419353f, -0.8812745759f, -0.4726046147f, | 
					
						
							|  |  |  |     0.9953313627f, 0.09651672651f, 0.9855650846f, -0.1692969699f, -0.8495980887f, 0.5274306472f, 0.6174853946f, -0.7865823463f, 0.8508156371f, 0.52546432f, 0.9985032451f, -0.05469249926f, 0.1971371563f, -0.9803759185f, 0.6607855748f, -0.7505747292f, | 
					
						
							|  |  |  |     -0.03097494063f, 0.9995201614f, -0.6731660801f, 0.739491331f, -0.7195018362f, -0.6944905383f, 0.9727511689f, 0.2318515979f, 0.9997059088f, -0.0242506907f, 0.4421787429f, -0.8969269532f, 0.9981350961f, -0.061043673f, -0.9173660799f, -0.3980445648f, | 
					
						
							|  |  |  |     -0.8150056635f, -0.5794529907f, -0.8789331304f, 0.4769450202f, 0.0158605829f, 0.999874213f, -0.8095464474f, 0.5870558317f, -0.9165898907f, -0.3998286786f, -0.8023542565f, 0.5968480938f, -0.5176737917f, 0.8555780767f, -0.8154407307f, -0.5788405779f, | 
					
						
							|  |  |  |     0.4022010347f, -0.9155513791f, -0.9052556868f, -0.4248672045f, 0.7317445619f, 0.6815789728f, -0.5647632201f, -0.8252529947f, -0.8403276335f, -0.5420788397f, -0.9314281527f, 0.363925262f, 0.5238198472f, 0.8518290719f, 0.7432803869f, -0.6689800195f, | 
					
						
							|  |  |  |     -0.985371561f, -0.1704197369f, 0.4601468731f, 0.88784281f, 0.825855404f, 0.5638819483f, 0.6182366099f, 0.7859920446f, 0.8331502863f, -0.553046653f, 0.1500307506f, 0.9886813308f, -0.662330369f, -0.7492119075f, -0.668598664f, 0.743623444f, | 
					
						
							|  |  |  |     0.7025606278f, 0.7116238924f, -0.5419389763f, -0.8404178401f, -0.3388616456f, 0.9408362159f, 0.8331530315f, 0.5530425174f, -0.2989720662f, -0.9542618632f, 0.2638522993f, 0.9645630949f, 0.124108739f, -0.9922686234f, -0.7282649308f, -0.6852956957f, | 
					
						
							|  |  |  |     0.6962500149f, 0.7177993569f, -0.9183535368f, 0.3957610156f, -0.6326102274f, -0.7744703352f, -0.9331891859f, -0.359385508f, -0.1153779357f, -0.9933216659f, 0.9514974788f, -0.3076565421f, -0.08987977445f, -0.9959526224f, 0.6678496916f, 0.7442961705f, | 
					
						
							|  |  |  |     0.7952400393f, -0.6062947138f, -0.6462007402f, -0.7631674805f, -0.2733598753f, 0.9619118351f, 0.9669590226f, -0.254931851f, -0.9792894595f, 0.2024651934f, -0.5369502995f, -0.8436138784f, -0.270036471f, -0.9628500944f, -0.6400277131f, 0.7683518247f, | 
					
						
							|  |  |  |     -0.7854537493f, -0.6189203566f, 0.06005905383f, -0.9981948257f, -0.02455770378f, 0.9996984141f, -0.65983623f, 0.751409442f, -0.6253894466f, -0.7803127835f, -0.6210408851f, -0.7837781695f, 0.8348888491f, 0.5504185768f, -0.1592275245f, 0.9872419133f, | 
					
						
							|  |  |  |     0.8367622488f, 0.5475663786f, -0.8675753916f, -0.4973056806f, -0.2022662628f, -0.9793305667f, 0.9399189937f, 0.3413975472f, 0.9877404807f, -0.1561049093f, -0.9034455656f, 0.4287028224f, 0.1269804218f, -0.9919052235f, -0.3819600854f, 0.924178821f, | 
					
						
							|  |  |  |     0.9754625894f, 0.2201652486f, -0.3204015856f, -0.9472818081f, -0.9874760884f, 0.1577687387f, 0.02535348474f, -0.9996785487f, 0.4835130794f, -0.8753371362f, -0.2850799925f, -0.9585037287f, -0.06805516006f, -0.99768156f, -0.7885244045f, -0.6150034663f, | 
					
						
							|  |  |  |     0.3185392127f, -0.9479096845f, 0.8880043089f, 0.4598351306f, 0.6476921488f, -0.7619021462f, 0.9820241299f, 0.1887554194f, 0.9357275128f, -0.3527237187f, -0.8894895414f, 0.4569555293f, 0.7922791302f, 0.6101588153f, 0.7483818261f, 0.6632681526f, | 
					
						
							|  |  |  |     -0.7288929755f, -0.6846276581f, 0.8729032783f, -0.4878932944f, 0.8288345784f, 0.5594937369f, 0.08074567077f, 0.9967347374f, 0.9799148216f, -0.1994165048f, -0.580730673f, -0.8140957471f, -0.4700049791f, -0.8826637636f, 0.2409492979f, 0.9705377045f, | 
					
						
							|  |  |  |     0.9437816757f, -0.3305694308f, -0.8927998638f, -0.4504535528f, -0.8069622304f, 0.5906030467f, 0.06258973166f, 0.9980393407f, -0.9312597469f, 0.3643559849f, 0.5777449785f, 0.8162173362f, -0.3360095855f, -0.941858566f, 0.697932075f, -0.7161639607f, | 
					
						
							|  |  |  |     -0.002008157227f, -0.9999979837f, -0.1827294312f, -0.9831632392f, -0.6523911722f, 0.7578824173f, -0.4302626911f, -0.9027037258f, -0.9985126289f, -0.05452091251f, -0.01028102172f, -0.9999471489f, -0.4946071129f, 0.8691166802f, -0.2999350194f, 0.9539596344f, | 
					
						
							|  |  |  |     0.8165471961f, 0.5772786819f, 0.2697460475f, 0.962931498f, -0.7306287391f, -0.6827749597f, -0.7590952064f, -0.6509796216f, -0.907053853f, 0.4210146171f, -0.5104861064f, -0.8598860013f, 0.8613350597f, 0.5080373165f, 0.5007881595f, -0.8655698812f, | 
					
						
							|  |  |  |     -0.654158152f, 0.7563577938f, -0.8382755311f, -0.545246856f, 0.6940070834f, 0.7199681717f, 0.06950936031f, 0.9975812994f, 0.1702942185f, -0.9853932612f, 0.2695973274f, 0.9629731466f, 0.5519612192f, -0.8338697815f, 0.225657487f, -0.9742067022f, | 
					
						
							|  |  |  |     0.4215262855f, -0.9068161835f, 0.4881873305f, -0.8727388672f, -0.3683854996f, -0.9296731273f, -0.9825390578f, 0.1860564427f, 0.81256471f, 0.5828709909f, 0.3196460933f, -0.9475370046f, 0.9570913859f, 0.2897862643f, -0.6876655497f, -0.7260276109f, | 
					
						
							|  |  |  |     -0.9988770922f, -0.047376731f, -0.1250179027f, 0.992154486f, -0.8280133617f, 0.560708367f, 0.9324863769f, -0.3612051451f, 0.6394653183f, 0.7688199442f, -0.01623847064f, -0.9998681473f, -0.9955014666f, -0.09474613458f, -0.81453315f, 0.580117012f, | 
					
						
							|  |  |  |     0.4037327978f, -0.9148769469f, 0.9944263371f, 0.1054336766f, -0.1624711654f, 0.9867132919f, -0.9949487814f, -0.100383875f, -0.6995302564f, 0.7146029809f, 0.5263414922f, -0.85027327f, -0.5395221479f, 0.841971408f, 0.6579370318f, 0.7530729462f, | 
					
						
							|  |  |  |     0.01426758847f, -0.9998982128f, -0.6734383991f, 0.7392433447f, 0.639412098f, -0.7688642071f, 0.9211571421f, 0.3891908523f, -0.146637214f, -0.9891903394f, -0.782318098f, 0.6228791163f, -0.5039610839f, -0.8637263605f, -0.7743120191f, -0.6328039957f, | 
					
						
							|  |  |  | }; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | template <typename T> | 
					
						
							|  |  |  | const T FastNoiseLite::Lookup<T>::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 | 
					
						
							|  |  |  | }; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | template <typename T> | 
					
						
							|  |  |  | const T FastNoiseLite::Lookup<T>::RandVecs3D[] = | 
					
						
							|  |  |  | { | 
					
						
							|  |  |  |     -0.7292736885f, -0.6618439697f, 0.1735581948f, 0, 0.790292081f, -0.5480887466f, -0.2739291014f, 0, 0.7217578935f, 0.6226212466f, -0.3023380997f, 0, 0.565683137f, -0.8208298145f, -0.0790000257f, 0, 0.760049034f, -0.5555979497f, -0.3370999617f, 0, 0.3713945616f, 0.5011264475f, 0.7816254623f, 0, -0.1277062463f, -0.4254438999f, -0.8959289049f, 0, -0.2881560924f, -0.5815838982f, 0.7607405838f, 0, | 
					
						
							|  |  |  |     0.5849561111f, -0.662820239f, -0.4674352136f, 0, 0.3307171178f, 0.0391653737f, 0.94291689f, 0, 0.8712121778f, -0.4113374369f, -0.2679381538f, 0, 0.580981015f, 0.7021915846f, 0.4115677815f, 0, 0.503756873f, 0.6330056931f, -0.5878203852f, 0, 0.4493712205f, 0.601390195f, 0.6606022552f, 0, -0.6878403724f, 0.09018890807f, -0.7202371714f, 0, -0.5958956522f, -0.6469350577f, 0.475797649f, 0, | 
					
						
							|  |  |  |     -0.5127052122f, 0.1946921978f, -0.8361987284f, 0, -0.9911507142f, -0.05410276466f, -0.1212153153f, 0, -0.2149721042f, 0.9720882117f, -0.09397607749f, 0, -0.7518650936f, -0.5428057603f, 0.3742469607f, 0, 0.5237068895f, 0.8516377189f, -0.02107817834f, 0, 0.6333504779f, 0.1926167129f, -0.7495104896f, 0, -0.06788241606f, 0.3998305789f, 0.9140719259f, 0, -0.5538628599f, -0.4729896695f, -0.6852128902f, 0, | 
					
						
							|  |  |  |     -0.7261455366f, -0.5911990757f, 0.3509933228f, 0, -0.9229274737f, -0.1782808786f, 0.3412049336f, 0, -0.6968815002f, 0.6511274338f, 0.3006480328f, 0, 0.9608044783f, -0.2098363234f, -0.1811724921f, 0, 0.06817146062f, -0.9743405129f, 0.2145069156f, 0, -0.3577285196f, -0.6697087264f, -0.6507845481f, 0, -0.1868621131f, 0.7648617052f, -0.6164974636f, 0, -0.6541697588f, 0.3967914832f, 0.6439087246f, 0, | 
					
						
							|  |  |  |     0.6993340405f, -0.6164538506f, 0.3618239211f, 0, -0.1546665739f, 0.6291283928f, 0.7617583057f, 0, -0.6841612949f, -0.2580482182f, -0.6821542638f, 0, 0.5383980957f, 0.4258654885f, 0.7271630328f, 0, -0.5026987823f, -0.7939832935f, -0.3418836993f, 0, 0.3202971715f, 0.2834415347f, 0.9039195862f, 0, 0.8683227101f, -0.0003762656404f, -0.4959995258f, 0, 0.791120031f, -0.08511045745f, 0.6057105799f, 0, | 
					
						
							|  |  |  |     -0.04011016052f, -0.4397248749f, 0.8972364289f, 0, 0.9145119872f, 0.3579346169f, -0.1885487608f, 0, -0.9612039066f, -0.2756484276f, 0.01024666929f, 0, 0.6510361721f, -0.2877799159f, -0.7023778346f, 0, -0.2041786351f, 0.7365237271f, 0.644859585f, 0, -0.7718263711f, 0.3790626912f, 0.5104855816f, 0, -0.3060082741f, -0.7692987727f, 0.5608371729f, 0, 0.454007341f, -0.5024843065f, 0.7357899537f, 0, | 
					
						
							|  |  |  |     0.4816795475f, 0.6021208291f, -0.6367380315f, 0, 0.6961980369f, -0.3222197429f, 0.641469197f, 0, -0.6532160499f, -0.6781148932f, 0.3368515753f, 0, 0.5089301236f, -0.6154662304f, -0.6018234363f, 0, -0.1635919754f, -0.9133604627f, -0.372840892f, 0, 0.52408019f, -0.8437664109f, 0.1157505864f, 0, 0.5902587356f, 0.4983817807f, -0.6349883666f, 0, 0.5863227872f, 0.494764745f, 0.6414307729f, 0, | 
					
						
							|  |  |  |     0.6779335087f, 0.2341345225f, 0.6968408593f, 0, 0.7177054546f, -0.6858979348f, 0.120178631f, 0, -0.5328819713f, -0.5205125012f, 0.6671608058f, 0, -0.8654874251f, -0.0700727088f, -0.4960053754f, 0, -0.2861810166f, 0.7952089234f, 0.5345495242f, 0, -0.04849529634f, 0.9810836427f, -0.1874115585f, 0, -0.6358521667f, 0.6058348682f, 0.4781800233f, 0, 0.6254794696f, -0.2861619734f, 0.7258696564f, 0, | 
					
						
							|  |  |  |     -0.2585259868f, 0.5061949264f, -0.8227581726f, 0, 0.02136306781f, 0.5064016808f, -0.8620330371f, 0, 0.200111773f, 0.8599263484f, 0.4695550591f, 0, 0.4743561372f, 0.6014985084f, -0.6427953014f, 0, 0.6622993731f, -0.5202474575f, -0.5391679918f, 0, 0.08084972818f, -0.6532720452f, 0.7527940996f, 0, -0.6893687501f, 0.0592860349f, 0.7219805347f, 0, -0.1121887082f, -0.9673185067f, 0.2273952515f, 0, | 
					
						
							|  |  |  |     0.7344116094f, 0.5979668656f, -0.3210532909f, 0, 0.5789393465f, -0.2488849713f, 0.7764570201f, 0, 0.6988182827f, 0.3557169806f, -0.6205791146f, 0, -0.8636845529f, -0.2748771249f, -0.4224826141f, 0, -0.4247027957f, -0.4640880967f, 0.777335046f, 0, 0.5257722489f, -0.8427017621f, 0.1158329937f, 0, 0.9343830603f, 0.316302472f, -0.1639543925f, 0, -0.1016836419f, -0.8057303073f, -0.5834887393f, 0, | 
					
						
							|  |  |  |     -0.6529238969f, 0.50602126f, -0.5635892736f, 0, -0.2465286165f, -0.9668205684f, -0.06694497494f, 0, -0.9776897119f, -0.2099250524f, -0.007368825344f, 0, 0.7736893337f, 0.5734244712f, 0.2694238123f, 0, -0.6095087895f, 0.4995678998f, 0.6155736747f, 0, 0.5794535482f, 0.7434546771f, 0.3339292269f, 0, -0.8226211154f, 0.08142581855f, 0.5627293636f, 0, -0.510385483f, 0.4703667658f, 0.7199039967f, 0, | 
					
						
							|  |  |  |     -0.5764971849f, -0.07231656274f, -0.8138926898f, 0, 0.7250628871f, 0.3949971505f, -0.5641463116f, 0, -0.1525424005f, 0.4860840828f, -0.8604958341f, 0, -0.5550976208f, -0.4957820792f, 0.667882296f, 0, -0.1883614327f, 0.9145869398f, 0.357841725f, 0, 0.7625556724f, -0.5414408243f, -0.3540489801f, 0, -0.5870231946f, -0.3226498013f, -0.7424963803f, 0, 0.3051124198f, 0.2262544068f, -0.9250488391f, 0, | 
					
						
							|  |  |  |     0.6379576059f, 0.577242424f, -0.5097070502f, 0, -0.5966775796f, 0.1454852398f, -0.7891830656f, 0, -0.658330573f, 0.6555487542f, -0.3699414651f, 0, 0.7434892426f, 0.2351084581f, 0.6260573129f, 0, 0.5562114096f, 0.8264360377f, -0.0873632843f, 0, -0.3028940016f, -0.8251527185f, 0.4768419182f, 0, 0.1129343818f, -0.985888439f, -0.1235710781f, 0, 0.5937652891f, -0.5896813806f, 0.5474656618f, 0, | 
					
						
							|  |  |  |     0.6757964092f, -0.5835758614f, -0.4502648413f, 0, 0.7242302609f, -0.1152719764f, 0.6798550586f, 0, -0.9511914166f, 0.0753623979f, -0.2992580792f, 0, 0.2539470961f, -0.1886339355f, 0.9486454084f, 0, 0.571433621f, -0.1679450851f, -0.8032795685f, 0, -0.06778234979f, 0.3978269256f, 0.9149531629f, 0, 0.6074972649f, 0.733060024f, -0.3058922593f, 0, -0.5435478392f, 0.1675822484f, 0.8224791405f, 0, | 
					
						
							|  |  |  |     -0.5876678086f, -0.3380045064f, -0.7351186982f, 0, -0.7967562402f, 0.04097822706f, -0.6029098428f, 0, -0.1996350917f, 0.8706294745f, 0.4496111079f, 0, -0.02787660336f, -0.9106232682f, -0.4122962022f, 0, -0.7797625996f, -0.6257634692f, 0.01975775581f, 0, -0.5211232846f, 0.7401644346f, -0.4249554471f, 0, 0.8575424857f, 0.4053272873f, -0.3167501783f, 0, 0.1045223322f, 0.8390195772f, -0.5339674439f, 0, | 
					
						
							|  |  |  |     0.3501822831f, 0.9242524096f, -0.1520850155f, 0, 0.1987849858f, 0.07647613266f, 0.9770547224f, 0, 0.7845996363f, 0.6066256811f, -0.1280964233f, 0, 0.09006737436f, -0.9750989929f, -0.2026569073f, 0, -0.8274343547f, -0.542299559f, 0.1458203587f, 0, -0.3485797732f, -0.415802277f, 0.840000362f, 0, -0.2471778936f, -0.7304819962f, -0.6366310879f, 0, -0.3700154943f, 0.8577948156f, 0.3567584454f, 0, | 
					
						
							|  |  |  |     0.5913394901f, -0.548311967f, -0.5913303597f, 0, 0.1204873514f, -0.7626472379f, -0.6354935001f, 0, 0.616959265f, 0.03079647928f, 0.7863922953f, 0, 0.1258156836f, -0.6640829889f, -0.7369967419f, 0, -0.6477565124f, -0.1740147258f, -0.7417077429f, 0, 0.6217889313f, -0.7804430448f, -0.06547655076f, 0, 0.6589943422f, -0.6096987708f, 0.4404473475f, 0, -0.2689837504f, -0.6732403169f, -0.6887635427f, 0, | 
					
						
							|  |  |  |     -0.3849775103f, 0.5676542638f, 0.7277093879f, 0, 0.5754444408f, 0.8110471154f, -0.1051963504f, 0, 0.9141593684f, 0.3832947817f, 0.131900567f, 0, -0.107925319f, 0.9245493968f, 0.3654593525f, 0, 0.377977089f, 0.3043148782f, 0.8743716458f, 0, -0.2142885215f, -0.8259286236f, 0.5214617324f, 0, 0.5802544474f, 0.4148098596f, -0.7008834116f, 0, -0.1982660881f, 0.8567161266f, -0.4761596756f, 0, | 
					
						
							|  |  |  |     -0.03381553704f, 0.3773180787f, -0.9254661404f, 0, -0.6867922841f, -0.6656597827f, 0.2919133642f, 0, 0.7731742607f, -0.2875793547f, -0.5652430251f, 0, -0.09655941928f, 0.9193708367f, -0.3813575004f, 0, 0.2715702457f, -0.9577909544f, -0.09426605581f, 0, 0.2451015704f, -0.6917998565f, -0.6792188003f, 0, 0.977700782f, -0.1753855374f, 0.1155036542f, 0, -0.5224739938f, 0.8521606816f, 0.02903615945f, 0, | 
					
						
							|  |  |  |     -0.7734880599f, -0.5261292347f, 0.3534179531f, 0, -0.7134492443f, -0.269547243f, 0.6467878011f, 0, 0.1644037271f, 0.5105846203f, -0.8439637196f, 0, 0.6494635788f, 0.05585611296f, 0.7583384168f, 0, -0.4711970882f, 0.5017280509f, -0.7254255765f, 0, -0.6335764307f, -0.2381686273f, -0.7361091029f, 0, -0.9021533097f, -0.270947803f, -0.3357181763f, 0, -0.3793711033f, 0.872258117f, 0.3086152025f, 0, | 
					
						
							|  |  |  |     -0.6855598966f, -0.3250143309f, 0.6514394162f, 0, 0.2900942212f, -0.7799057743f, -0.5546100667f, 0, -0.2098319339f, 0.85037073f, 0.4825351604f, 0, -0.4592603758f, 0.6598504336f, -0.5947077538f, 0, 0.8715945488f, 0.09616365406f, -0.4807031248f, 0, -0.6776666319f, 0.7118504878f, -0.1844907016f, 0, 0.7044377633f, 0.312427597f, 0.637304036f, 0, -0.7052318886f, -0.2401093292f, -0.6670798253f, 0, | 
					
						
							|  |  |  |     0.081921007f, -0.7207336136f, -0.6883545647f, 0, -0.6993680906f, -0.5875763221f, -0.4069869034f, 0, -0.1281454481f, 0.6419895885f, 0.7559286424f, 0, -0.6337388239f, -0.6785471501f, -0.3714146849f, 0, 0.5565051903f, -0.2168887573f, -0.8020356851f, 0, -0.5791554484f, 0.7244372011f, -0.3738578718f, 0, 0.1175779076f, -0.7096451073f, 0.6946792478f, 0, -0.6134619607f, 0.1323631078f, 0.7785527795f, 0, | 
					
						
							|  |  |  |     0.6984635305f, -0.02980516237f, -0.715024719f, 0, 0.8318082963f, -0.3930171956f, 0.3919597455f, 0, 0.1469576422f, 0.05541651717f, -0.9875892167f, 0, 0.708868575f, -0.2690503865f, 0.6520101478f, 0, 0.2726053183f, 0.67369766f, -0.68688995f, 0, -0.6591295371f, 0.3035458599f, -0.6880466294f, 0, 0.4815131379f, -0.7528270071f, 0.4487723203f, 0, 0.9430009463f, 0.1675647412f, -0.2875261255f, 0, | 
					
						
							|  |  |  |     0.434802957f, 0.7695304522f, -0.4677277752f, 0, 0.3931996188f, 0.594473625f, 0.7014236729f, 0, 0.7254336655f, -0.603925654f, 0.3301814672f, 0, 0.7590235227f, -0.6506083235f, 0.02433313207f, 0, -0.8552768592f, -0.3430042733f, 0.3883935666f, 0, -0.6139746835f, 0.6981725247f, 0.3682257648f, 0, -0.7465905486f, -0.5752009504f, 0.3342849376f, 0, 0.5730065677f, 0.810555537f, -0.1210916791f, 0, | 
					
						
							|  |  |  |     -0.9225877367f, -0.3475211012f, -0.167514036f, 0, -0.7105816789f, -0.4719692027f, -0.5218416899f, 0, -0.08564609717f, 0.3583001386f, 0.929669703f, 0, -0.8279697606f, -0.2043157126f, 0.5222271202f, 0, 0.427944023f, 0.278165994f, 0.8599346446f, 0, 0.5399079671f, -0.7857120652f, -0.3019204161f, 0, 0.5678404253f, -0.5495413974f, -0.6128307303f, 0, -0.9896071041f, 0.1365639107f, -0.04503418428f, 0, | 
					
						
							|  |  |  |     -0.6154342638f, -0.6440875597f, 0.4543037336f, 0, 0.1074204368f, -0.7946340692f, 0.5975094525f, 0, -0.3595449969f, -0.8885529948f, 0.28495784f, 0, -0.2180405296f, 0.1529888965f, 0.9638738118f, 0, -0.7277432317f, -0.6164050508f, -0.3007234646f, 0, 0.7249729114f, -0.00669719484f, 0.6887448187f, 0, -0.5553659455f, -0.5336586252f, 0.6377908264f, 0, 0.5137558015f, 0.7976208196f, -0.3160000073f, 0, | 
					
						
							|  |  |  |     -0.3794024848f, 0.9245608561f, -0.03522751494f, 0, 0.8229248658f, 0.2745365933f, -0.4974176556f, 0, -0.5404114394f, 0.6091141441f, 0.5804613989f, 0, 0.8036581901f, -0.2703029469f, 0.5301601931f, 0, 0.6044318879f, 0.6832968393f, 0.4095943388f, 0, 0.06389988817f, 0.9658208605f, -0.2512108074f, 0, 0.1087113286f, 0.7402471173f, -0.6634877936f, 0, -0.713427712f, -0.6926784018f, 0.1059128479f, 0, | 
					
						
							|  |  |  |     0.6458897819f, -0.5724548511f, -0.5050958653f, 0, -0.6553931414f, 0.7381471625f, 0.159995615f, 0, 0.3910961323f, 0.9188871375f, -0.05186755998f, 0, -0.4879022471f, -0.5904376907f, 0.6429111375f, 0, 0.6014790094f, 0.7707441366f, -0.2101820095f, 0, -0.5677173047f, 0.7511360995f, 0.3368851762f, 0, 0.7858573506f, 0.226674665f, 0.5753666838f, 0, -0.4520345543f, -0.604222686f, -0.6561857263f, 0, | 
					
						
							|  |  |  |     0.002272116345f, 0.4132844051f, -0.9105991643f, 0, -0.5815751419f, -0.5162925989f, 0.6286591339f, 0, -0.03703704785f, 0.8273785755f, 0.5604221175f, 0, -0.5119692504f, 0.7953543429f, -0.3244980058f, 0, -0.2682417366f, -0.9572290247f, -0.1084387619f, 0, -0.2322482736f, -0.9679131102f, -0.09594243324f, 0, 0.3554328906f, -0.8881505545f, 0.2913006227f, 0, 0.7346520519f, -0.4371373164f, 0.5188422971f, 0, | 
					
						
							|  |  |  |     0.9985120116f, 0.04659011161f, -0.02833944577f, 0, -0.3727687496f, -0.9082481361f, 0.1900757285f, 0, 0.91737377f, -0.3483642108f, 0.1925298489f, 0, 0.2714911074f, 0.4147529736f, -0.8684886582f, 0, 0.5131763485f, -0.7116334161f, 0.4798207128f, 0, -0.8737353606f, 0.18886992f, -0.4482350644f, 0, 0.8460043821f, -0.3725217914f, 0.3814499973f, 0, 0.8978727456f, -0.1780209141f, -0.4026575304f, 0, | 
					
						
							|  |  |  |     0.2178065647f, -0.9698322841f, -0.1094789531f, 0, -0.1518031304f, -0.7788918132f, -0.6085091231f, 0, -0.2600384876f, -0.4755398075f, -0.8403819825f, 0, 0.572313509f, -0.7474340931f, -0.3373418503f, 0, -0.7174141009f, 0.1699017182f, -0.6756111411f, 0, -0.684180784f, 0.02145707593f, -0.7289967412f, 0, -0.2007447902f, 0.06555605789f, -0.9774476623f, 0, -0.1148803697f, -0.8044887315f, 0.5827524187f, 0, | 
					
						
							|  |  |  |     -0.7870349638f, 0.03447489231f, 0.6159443543f, 0, -0.2015596421f, 0.6859872284f, 0.6991389226f, 0, -0.08581082512f, -0.10920836f, -0.9903080513f, 0, 0.5532693395f, 0.7325250401f, -0.396610771f, 0, -0.1842489331f, -0.9777375055f, -0.1004076743f, 0, 0.0775473789f, -0.9111505856f, 0.4047110257f, 0, 0.1399838409f, 0.7601631212f, -0.6344734459f, 0, 0.4484419361f, -0.845289248f, 0.2904925424f, 0 | 
					
						
							|  |  |  | }; | 
					
						
							|  |  |  | 
 | 
					
						
							|  |  |  | } | 
					
						
							|  |  |  | #endif // namespace fastnoiselite
 |