| 1 | // MIT License |
| 2 | // |
| 3 | // Copyright(c) 2020 Jordan Peck (jordan.me2@gmail.com) |
| 4 | // Copyright(c) 2020 Contributors |
| 5 | // |
| 6 | // Permission is hereby granted, free of charge, to any person obtaining a copy |
| 7 | // of this software and associated documentation files(the "Software"), to deal |
| 8 | // in the Software without restriction, including without limitation the rights |
| 9 | // to use, copy, modify, merge, publish, distribute, sublicense, and / or sell |
| 10 | // copies of the Software, and to permit persons to whom the Software is |
| 11 | // furnished to do so, subject to the following conditions : |
| 12 | // |
| 13 | // The above copyright notice and this permission notice shall be included in all |
| 14 | // copies or substantial portions of the Software. |
| 15 | // |
| 16 | // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE |
| 19 | // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER |
| 20 | // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, |
| 21 | // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE |
| 22 | // SOFTWARE. |
| 23 | // |
| 24 | // .'',;:cldxkO00KKXXNNWWWNNXKOkxdollcc::::::;:::ccllloooolllllllllooollc:,'... ...........',;cldxkO000Okxdlc::;;;,,;;;::cclllllll |
| 25 | // ..',;:ldxO0KXXNNNNNNNNXXK0kxdolcc::::::;;;,,,,,,;;;;;;;;;;:::cclllllc:;'.... ...........',;:ldxO0KXXXK0Okxdolc::;;;;::cllodddddo |
| 26 | // ...',:loxO0KXNNNNNXXKK0Okxdolc::;::::::::;;;,,'''''.....''',;:clllllc:;,'............''''''''',;:loxO0KXNNNNNXK0Okxdollccccllodxxxxxxd |
| 27 | // ....';:ldkO0KXXXKK00Okxdolcc:;;;;;::cclllcc:;;,''..... ....',;clooddolcc:;;;;,,;;;;;::::;;;;;;:cloxk0KXNWWWWWWNXKK0Okxddoooddxxkkkkkxx |
| 28 | // .....';:ldxkOOOOOkxxdolcc:;;;,,,;;:cllooooolcc:;'... ..,:codxkkkxddooollloooooooollcc:::::clodkO0KXNWWWWWWNNXK00Okxxxxxxxxkkkkxxx |
| 29 | // . ....';:cloddddo___________,,,,;;:clooddddoolc:,... ..,:ldx__00OOOkkk___kkkkkkxxdollc::::cclodkO0KXXNNNNNNXXK0OOkxxxxxxxxxxxxddd |
| 30 | // .......',;:cccc:| |,,,;;:cclooddddoll:;'.. ..';cox| \KKK000| |KK00OOkxdocc___;::clldxxkO0KKKKK00Okkxdddddddddddddddoo |
| 31 | // .......'',,,,,''| ________|',,;;::cclloooooolc:;'......___:ldk| \KK000| |XKKK0Okxolc| |;;::cclodxxkkkkxxdoolllcclllooodddooooo |
| 32 | // ''......''''....| | ....'',,,,;;;::cclloooollc:;,''.'| |oxk| \OOO0| |KKK00Oxdoll|___|;;;;;::ccllllllcc::;;,,;;;:cclloooooooo |
| 33 | // ;;,''.......... | |_____',,;;;____:___cllo________.___| |___| \xkk| |KK_______ool___:::;________;;;_______...'',;;:ccclllloo |
| 34 | // c:;,''......... | |:::/ ' |lo/ | | \dx| |0/ \d| |cc/ |'/ \......',,;;:ccllo |
| 35 | // ol:;,'..........| _____|ll/ __ |o/ ______|____ ___| | \o| |/ ___ \| |o/ ______|/ ___ \ .......'',;:clo |
| 36 | // dlc;,...........| |::clooo| / | |x\___ \KXKKK0| |dol| |\ \| | | | | |d\___ \..| | / / ....',:cl |
| 37 | // xoc;'... .....'| |llodddd| \__| |_____\ \KKK0O| |lc:| |'\ | |___| | |_____\ \.| |_/___/... ...',;:c |
| 38 | // dlc;'... ....',;| |oddddddo\ | |Okkx| |::;| |..\ |\ /| | | \ |... ....',;:c |
| 39 | // ol:,'.......',:c|___|xxxddollc\_____,___|_________/ddoll|___|,,,|___|...\_____|:\ ______/l|___|_________/...\________|'........',;::cc |
| 40 | // c:;'.......';:codxxkkkkxxolc::;::clodxkOO0OOkkxdollc::;;,,''''',,,,''''''''''',,'''''',;:loxkkOOkxol:;,'''',,;:ccllcc:;,'''''',;::ccll |
| 41 | // ;,'.......',:codxkOO0OOkxdlc:;,,;;:cldxxkkxxdolc:;;,,''.....'',;;:::;;,,,'''''........,;cldkO0KK0Okdoc::;;::cloodddoolc:;;;;;::ccllooo |
| 42 | // .........',;:lodxOO0000Okdoc:,,',,;:clloddoolc:;,''.......'',;:clooollc:;;,,''.......',:ldkOKXNNXX0Oxdolllloddxxxxxxdolccccccllooodddd |
| 43 | // . .....';:cldxkO0000Okxol:;,''',,;::cccc:;,,'.......'',;:cldxxkkxxdolc:;;,'.......';coxOKXNWWWNXKOkxddddxxkkkkkkxdoollllooddxxxxkkk |
| 44 | // ....',;:codxkO000OOxdoc:;,''',,,;;;;,''.......',,;:clodkO00000Okxolc::;,,''..',;:ldxOKXNWWWNNK0OkkkkkkkkkkkxxddooooodxxkOOOOO000 |
| 45 | // ....',;;clodxkkOOOkkdolc:;,,,,,,,,'..........,;:clodxkO0KKXKK0Okxdolcc::;;,,,;;:codkO0XXNNNNXKK0OOOOOkkkkxxdoollloodxkO0KKKXXXXX |
| 46 | // |
| 47 | // VERSION: 1.0.1 |
| 48 | // https://github.com/Auburn/FastNoise |
| 49 | |
| 50 | #ifndef FASTNOISELITE_H |
| 51 | #define FASTNOISELITE_H |
| 52 | |
| 53 | #include <cmath> |
| 54 | |
| 55 | namespace fastnoiselite{ |
| 56 | |
| 57 | class FastNoiseLite |
| 58 | { |
| 59 | public: |
| 60 | enum NoiseType |
| 61 | { |
| 62 | NoiseType_OpenSimplex2, |
| 63 | NoiseType_OpenSimplex2S, |
| 64 | NoiseType_Cellular, |
| 65 | NoiseType_Perlin, |
| 66 | NoiseType_ValueCubic, |
| 67 | NoiseType_Value |
| 68 | }; |
| 69 | |
| 70 | enum RotationType3D |
| 71 | { |
| 72 | RotationType3D_None, |
| 73 | RotationType3D_ImproveXYPlanes, |
| 74 | RotationType3D_ImproveXZPlanes |
| 75 | }; |
| 76 | |
| 77 | enum FractalType |
| 78 | { |
| 79 | FractalType_None, |
| 80 | FractalType_FBm, |
| 81 | FractalType_Ridged, |
| 82 | FractalType_PingPong, |
| 83 | FractalType_DomainWarpProgressive, |
| 84 | FractalType_DomainWarpIndependent |
| 85 | }; |
| 86 | |
| 87 | enum CellularDistanceFunction |
| 88 | { |
| 89 | CellularDistanceFunction_Euclidean, |
| 90 | CellularDistanceFunction_EuclideanSq, |
| 91 | CellularDistanceFunction_Manhattan, |
| 92 | CellularDistanceFunction_Hybrid |
| 93 | }; |
| 94 | |
| 95 | enum CellularReturnType |
| 96 | { |
| 97 | CellularReturnType_CellValue, |
| 98 | CellularReturnType_Distance, |
| 99 | CellularReturnType_Distance2, |
| 100 | CellularReturnType_Distance2Add, |
| 101 | CellularReturnType_Distance2Sub, |
| 102 | CellularReturnType_Distance2Mul, |
| 103 | CellularReturnType_Distance2Div |
| 104 | }; |
| 105 | |
| 106 | enum DomainWarpType |
| 107 | { |
| 108 | DomainWarpType_OpenSimplex2, |
| 109 | DomainWarpType_OpenSimplex2Reduced, |
| 110 | DomainWarpType_BasicGrid |
| 111 | }; |
| 112 | |
| 113 | /// <summary> |
| 114 | /// Create new FastNoise object with optional seed |
| 115 | /// </summary> |
| 116 | FastNoiseLite(int seed = 1337) |
| 117 | { |
| 118 | mSeed = seed; |
| 119 | mFrequency = 0.01f; |
| 120 | mNoiseType = NoiseType_OpenSimplex2; |
| 121 | mRotationType3D = RotationType3D_None; |
| 122 | mTransformType3D = TransformType3D_DefaultOpenSimplex2; |
| 123 | |
| 124 | mFractalType = FractalType_None; |
| 125 | mOctaves = 3; |
| 126 | mLacunarity = 2.0f; |
| 127 | mGain = 0.5f; |
| 128 | mWeightedStrength = 0.0f; |
| 129 | mPingPongStrength = 2.0f; |
| 130 | |
| 131 | mFractalBounding = 1 / 1.75f; |
| 132 | |
| 133 | mCellularDistanceFunction = CellularDistanceFunction_EuclideanSq; |
| 134 | mCellularReturnType = CellularReturnType_Distance; |
| 135 | mCellularJitterModifier = 1.0f; |
| 136 | |
| 137 | mDomainWarpType = DomainWarpType_OpenSimplex2; |
| 138 | mWarpTransformType3D = TransformType3D_DefaultOpenSimplex2; |
| 139 | mDomainWarpAmp = 1.0f; |
| 140 | } |
| 141 | |
| 142 | /// <summary> |
| 143 | /// Sets seed used for all noise types |
| 144 | /// </summary> |
| 145 | /// <remarks> |
| 146 | /// Default: 1337 |
| 147 | /// </remarks> |
| 148 | void SetSeed(int seed) { mSeed = seed; } |
| 149 | |
| 150 | /// <summary> |
| 151 | /// Sets frequency for all noise types |
| 152 | /// </summary> |
| 153 | /// <remarks> |
| 154 | /// Default: 0.01 |
| 155 | /// </remarks> |
| 156 | void SetFrequency(float frequency) { mFrequency = frequency; } |
| 157 | |
| 158 | /// <summary> |
| 159 | /// Sets noise algorithm used for GetNoise(...) |
| 160 | /// </summary> |
| 161 | /// <remarks> |
| 162 | /// Default: OpenSimplex2 |
| 163 | /// </remarks> |
| 164 | void SetNoiseType(NoiseType noiseType) |
| 165 | { |
| 166 | mNoiseType = noiseType; |
| 167 | UpdateTransformType3D(); |
| 168 | } |
| 169 | |
| 170 | /// <summary> |
| 171 | /// Sets domain rotation type for 3D Noise and 3D DomainWarp. |
| 172 | /// Can aid in reducing directional artifacts when sampling a 2D plane in 3D |
| 173 | /// </summary> |
| 174 | /// <remarks> |
| 175 | /// Default: None |
| 176 | /// </remarks> |
| 177 | void SetRotationType3D(RotationType3D rotationType3D) |
| 178 | { |
| 179 | mRotationType3D = rotationType3D; |
| 180 | UpdateTransformType3D(); |
| 181 | UpdateWarpTransformType3D(); |
| 182 | } |
| 183 | |
| 184 | /// <summary> |
| 185 | /// Sets method for combining octaves in all fractal noise types |
| 186 | /// </summary> |
| 187 | /// <remarks> |
| 188 | /// Default: None |
| 189 | /// Note: FractalType_DomainWarp... only affects DomainWarp(...) |
| 190 | /// </remarks> |
| 191 | void SetFractalType(FractalType fractalType) { mFractalType = fractalType; } |
| 192 | |
| 193 | /// <summary> |
| 194 | /// Sets octave count for all fractal noise types |
| 195 | /// </summary> |
| 196 | /// <remarks> |
| 197 | /// Default: 3 |
| 198 | /// </remarks> |
| 199 | void SetFractalOctaves(int octaves) |
| 200 | { |
| 201 | mOctaves = octaves; |
| 202 | CalculateFractalBounding(); |
| 203 | } |
| 204 | |
| 205 | /// <summary> |
| 206 | /// Sets octave lacunarity for all fractal noise types |
| 207 | /// </summary> |
| 208 | /// <remarks> |
| 209 | /// Default: 2.0 |
| 210 | /// </remarks> |
| 211 | void SetFractalLacunarity(float lacunarity) { mLacunarity = lacunarity; } |
| 212 | |
| 213 | /// <summary> |
| 214 | /// Sets octave gain for all fractal noise types |
| 215 | /// </summary> |
| 216 | /// <remarks> |
| 217 | /// Default: 0.5 |
| 218 | /// </remarks> |
| 219 | void SetFractalGain(float gain) |
| 220 | { |
| 221 | mGain = gain; |
| 222 | CalculateFractalBounding(); |
| 223 | } |
| 224 | |
| 225 | /// <summary> |
| 226 | /// Sets octave weighting for all none DomainWarp fratal types |
| 227 | /// </summary> |
| 228 | /// <remarks> |
| 229 | /// Default: 0.0 |
| 230 | /// Note: Keep between 0...1 to maintain -1...1 output bounding |
| 231 | /// </remarks> |
| 232 | void SetFractalWeightedStrength(float weightedStrength) { mWeightedStrength = weightedStrength; } |
| 233 | |
| 234 | /// <summary> |
| 235 | /// Sets strength of the fractal ping pong effect |
| 236 | /// </summary> |
| 237 | /// <remarks> |
| 238 | /// Default: 2.0 |
| 239 | /// </remarks> |
| 240 | void SetFractalPingPongStrength(float pingPongStrength) { mPingPongStrength = pingPongStrength; } |
| 241 | |
| 242 | |
| 243 | /// <summary> |
| 244 | /// Sets distance function used in cellular noise calculations |
| 245 | /// </summary> |
| 246 | /// <remarks> |
| 247 | /// Default: Distance |
| 248 | /// </remarks> |
| 249 | void SetCellularDistanceFunction(CellularDistanceFunction cellularDistanceFunction) { mCellularDistanceFunction = cellularDistanceFunction; } |
| 250 | |
| 251 | /// <summary> |
| 252 | /// Sets return type from cellular noise calculations |
| 253 | /// </summary> |
| 254 | /// <remarks> |
| 255 | /// Default: EuclideanSq |
| 256 | /// </remarks> |
| 257 | void SetCellularReturnType(CellularReturnType cellularReturnType) { mCellularReturnType = cellularReturnType; } |
| 258 | |
| 259 | /// <summary> |
| 260 | /// Sets the maximum distance a cellular point can move from it's grid position |
| 261 | /// </summary> |
| 262 | /// <remarks> |
| 263 | /// Default: 1.0 |
| 264 | /// Note: Setting this higher than 1 will cause artifacts |
| 265 | /// </remarks> |
| 266 | void SetCellularJitter(float cellularJitter) { mCellularJitterModifier = cellularJitter; } |
| 267 | |
| 268 | |
| 269 | /// <summary> |
| 270 | /// Sets the warp algorithm when using DomainWarp(...) |
| 271 | /// </summary> |
| 272 | /// <remarks> |
| 273 | /// Default: OpenSimplex2 |
| 274 | /// </remarks> |
| 275 | void SetDomainWarpType(DomainWarpType domainWarpType) |
| 276 | { |
| 277 | mDomainWarpType = domainWarpType; |
| 278 | UpdateWarpTransformType3D(); |
| 279 | } |
| 280 | |
| 281 | |
| 282 | /// <summary> |
| 283 | /// Sets the maximum warp distance from original position when using DomainWarp(...) |
| 284 | /// </summary> |
| 285 | /// <remarks> |
| 286 | /// Default: 1.0 |
| 287 | /// </remarks> |
| 288 | void SetDomainWarpAmp(float domainWarpAmp) { mDomainWarpAmp = domainWarpAmp; } |
| 289 | |
| 290 | |
| 291 | /// <summary> |
| 292 | /// 2D noise at given position using current settings |
| 293 | /// </summary> |
| 294 | /// <returns> |
| 295 | /// Noise output bounded between -1...1 |
| 296 | /// </returns> |
| 297 | template <typename FNfloat> |
| 298 | float GetNoise(FNfloat x, FNfloat y) const |
| 299 | { |
| 300 | Arguments_must_be_floating_point_values<FNfloat>(); |
| 301 | |
| 302 | TransformNoiseCoordinate(x, y); |
| 303 | |
| 304 | switch (mFractalType) |
| 305 | { |
| 306 | default: |
| 307 | return GenNoiseSingle(mSeed, x, y); |
| 308 | case FractalType_FBm: |
| 309 | return GenFractalFBm(x, y); |
| 310 | case FractalType_Ridged: |
| 311 | return GenFractalRidged(x, y); |
| 312 | case FractalType_PingPong: |
| 313 | return GenFractalPingPong(x, y); |
| 314 | } |
| 315 | } |
| 316 | |
| 317 | /// <summary> |
| 318 | /// 3D noise at given position using current settings |
| 319 | /// </summary> |
| 320 | /// <returns> |
| 321 | /// Noise output bounded between -1...1 |
| 322 | /// </returns> |
| 323 | template <typename FNfloat> |
| 324 | float GetNoise(FNfloat x, FNfloat y, FNfloat z) const |
| 325 | { |
| 326 | Arguments_must_be_floating_point_values<FNfloat>(); |
| 327 | |
| 328 | TransformNoiseCoordinate(x, y, z); |
| 329 | |
| 330 | switch (mFractalType) |
| 331 | { |
| 332 | default: |
| 333 | return GenNoiseSingle(mSeed, x, y, z); |
| 334 | case FractalType_FBm: |
| 335 | return GenFractalFBm(x, y, z); |
| 336 | case FractalType_Ridged: |
| 337 | return GenFractalRidged(x, y, z); |
| 338 | case FractalType_PingPong: |
| 339 | return GenFractalPingPong(x, y, z); |
| 340 | } |
| 341 | } |
| 342 | |
| 343 | |
| 344 | /// <summary> |
| 345 | /// 2D warps the input position using current domain warp settings |
| 346 | /// </summary> |
| 347 | /// <example> |
| 348 | /// Example usage with GetNoise |
| 349 | /// <code>DomainWarp(x, y) |
| 350 | /// noise = GetNoise(x, y)</code> |
| 351 | /// </example> |
| 352 | template <typename FNfloat> |
| 353 | void DomainWarp(FNfloat& x, FNfloat& y) const |
| 354 | { |
| 355 | Arguments_must_be_floating_point_values<FNfloat>(); |
| 356 | |
| 357 | switch (mFractalType) |
| 358 | { |
| 359 | default: |
| 360 | DomainWarpSingle(x, y); |
| 361 | break; |
| 362 | case FractalType_DomainWarpProgressive: |
| 363 | DomainWarpFractalProgressive(x, y); |
| 364 | break; |
| 365 | case FractalType_DomainWarpIndependent: |
| 366 | DomainWarpFractalIndependent(x, y); |
| 367 | break; |
| 368 | } |
| 369 | } |
| 370 | |
| 371 | /// <summary> |
| 372 | /// 3D warps the input position using current domain warp settings |
| 373 | /// </summary> |
| 374 | /// <example> |
| 375 | /// Example usage with GetNoise |
| 376 | /// <code>DomainWarp(x, y, z) |
| 377 | /// noise = GetNoise(x, y, z)</code> |
| 378 | /// </example> |
| 379 | template <typename FNfloat> |
| 380 | void DomainWarp(FNfloat& x, FNfloat& y, FNfloat& z) const |
| 381 | { |
| 382 | Arguments_must_be_floating_point_values<FNfloat>(); |
| 383 | |
| 384 | switch (mFractalType) |
| 385 | { |
| 386 | default: |
| 387 | DomainWarpSingle(x, y, z); |
| 388 | break; |
| 389 | case FractalType_DomainWarpProgressive: |
| 390 | DomainWarpFractalProgressive(x, y, z); |
| 391 | break; |
| 392 | case FractalType_DomainWarpIndependent: |
| 393 | DomainWarpFractalIndependent(x, y, z); |
| 394 | break; |
| 395 | } |
| 396 | } |
| 397 | |
| 398 | private: |
| 399 | template <typename T> |
| 400 | struct Arguments_must_be_floating_point_values; |
| 401 | |
| 402 | enum TransformType3D |
| 403 | { |
| 404 | TransformType3D_None, |
| 405 | TransformType3D_ImproveXYPlanes, |
| 406 | TransformType3D_ImproveXZPlanes, |
| 407 | TransformType3D_DefaultOpenSimplex2 |
| 408 | }; |
| 409 | |
| 410 | int mSeed; |
| 411 | float mFrequency; |
| 412 | NoiseType mNoiseType; |
| 413 | RotationType3D mRotationType3D; |
| 414 | TransformType3D mTransformType3D; |
| 415 | |
| 416 | FractalType mFractalType; |
| 417 | int mOctaves; |
| 418 | float mLacunarity; |
| 419 | float mGain; |
| 420 | float mWeightedStrength; |
| 421 | float mPingPongStrength; |
| 422 | |
| 423 | float mFractalBounding; |
| 424 | |
| 425 | CellularDistanceFunction mCellularDistanceFunction; |
| 426 | CellularReturnType mCellularReturnType; |
| 427 | float mCellularJitterModifier; |
| 428 | |
| 429 | DomainWarpType mDomainWarpType; |
| 430 | TransformType3D mWarpTransformType3D; |
| 431 | float mDomainWarpAmp; |
| 432 | |
| 433 | |
| 434 | template <typename T> |
| 435 | struct Lookup |
| 436 | { |
| 437 | static const T Gradients2D[]; |
| 438 | static const T Gradients3D[]; |
| 439 | static const T RandVecs2D[]; |
| 440 | static const T RandVecs3D[]; |
| 441 | }; |
| 442 | |
| 443 | static float FastMin(float a, float b) { return a < b ? a : b; } |
| 444 | |
| 445 | static float FastMax(float a, float b) { return a > b ? a : b; } |
| 446 | |
| 447 | static float FastAbs(float f) { return f < 0 ? -f : f; } |
| 448 | |
| 449 | static float FastSqrt(float f) { return sqrtf(f); } |
| 450 | |
| 451 | template <typename FNfloat> |
| 452 | static int FastFloor(FNfloat f) { return f >= 0 ? (int)f : (int)f - 1; } |
| 453 | |
| 454 | template <typename FNfloat> |
| 455 | static int FastRound(FNfloat f) { return f >= 0 ? (int)(f + 0.5f) : (int)(f - 0.5f); } |
| 456 | |
| 457 | static float Lerp(float a, float b, float t) { return a + t * (b - a); } |
| 458 | |
| 459 | static float InterpHermite(float t) { return t * t * (3 - 2 * t); } |
| 460 | |
| 461 | static float InterpQuintic(float t) { return t * t * t * (t * (t * 6 - 15) + 10); } |
| 462 | |
| 463 | static float CubicLerp(float a, float b, float c, float d, float t) |
| 464 | { |
| 465 | float p = (d - c) - (a - b); |
| 466 | return t * t * t * p + t * t * ((a - b) - p) + t * (c - a) + b; |
| 467 | } |
| 468 | |
| 469 | static float PingPong(float t) |
| 470 | { |
| 471 | t -= (int)(t * 0.5f) * 2; |
| 472 | return t < 1 ? t : 2 - t; |
| 473 | } |
| 474 | |
| 475 | void CalculateFractalBounding() |
| 476 | { |
| 477 | float gain = FastAbs(mGain); |
| 478 | float amp = gain; |
| 479 | float ampFractal = 1.0f; |
| 480 | for (int i = 1; i < mOctaves; i++) |
| 481 | { |
| 482 | ampFractal += amp; |
| 483 | amp *= gain; |
| 484 | } |
| 485 | mFractalBounding = 1 / ampFractal; |
| 486 | } |
| 487 | |
| 488 | // Hashing |
| 489 | static const int PrimeX = 501125321; |
| 490 | static const int PrimeY = 1136930381; |
| 491 | static const int PrimeZ = 1720413743; |
| 492 | |
| 493 | static int Hash(int seed, int xPrimed, int yPrimed) |
| 494 | { |
| 495 | int hash = seed ^ xPrimed ^ yPrimed; |
| 496 | |
| 497 | hash *= 0x27d4eb2d; |
| 498 | return hash; |
| 499 | } |
| 500 | |
| 501 | |
| 502 | static int Hash(int seed, int xPrimed, int yPrimed, int zPrimed) |
| 503 | { |
| 504 | int hash = seed ^ xPrimed ^ yPrimed ^ zPrimed; |
| 505 | |
| 506 | hash *= 0x27d4eb2d; |
| 507 | return hash; |
| 508 | } |
| 509 | |
| 510 | |
| 511 | static float ValCoord(int seed, int xPrimed, int yPrimed) |
| 512 | { |
| 513 | int hash = Hash(seed, xPrimed, yPrimed); |
| 514 | |
| 515 | hash *= hash; |
| 516 | hash ^= hash << 19; |
| 517 | return hash * (1 / 2147483648.0f); |
| 518 | } |
| 519 | |
| 520 | |
| 521 | static float ValCoord(int seed, int xPrimed, int yPrimed, int zPrimed) |
| 522 | { |
| 523 | int hash = Hash(seed, xPrimed, yPrimed, zPrimed); |
| 524 | |
| 525 | hash *= hash; |
| 526 | hash ^= hash << 19; |
| 527 | return hash * (1 / 2147483648.0f); |
| 528 | } |
| 529 | |
| 530 | |
| 531 | float GradCoord(int seed, int xPrimed, int yPrimed, float xd, float yd) const |
| 532 | { |
| 533 | int hash = Hash(seed, xPrimed, yPrimed); |
| 534 | hash ^= hash >> 15; |
| 535 | hash &= 127 << 1; |
| 536 | |
| 537 | float xg = Lookup<float>::Gradients2D[hash]; |
| 538 | float yg = Lookup<float>::Gradients2D[hash | 1]; |
| 539 | |
| 540 | return xd * xg + yd * yg; |
| 541 | } |
| 542 | |
| 543 | |
| 544 | float GradCoord(int seed, int xPrimed, int yPrimed, int zPrimed, float xd, float yd, float zd) const |
| 545 | { |
| 546 | int hash = Hash(seed, xPrimed, yPrimed, zPrimed); |
| 547 | hash ^= hash >> 15; |
| 548 | hash &= 63 << 2; |
| 549 | |
| 550 | float xg = Lookup<float>::Gradients3D[hash]; |
| 551 | float yg = Lookup<float>::Gradients3D[hash | 1]; |
| 552 | float zg = Lookup<float>::Gradients3D[hash | 2]; |
| 553 | |
| 554 | return xd * xg + yd * yg + zd * zg; |
| 555 | } |
| 556 | |
| 557 | |
| 558 | void GradCoordOut(int seed, int xPrimed, int yPrimed, float& xo, float& yo) const |
| 559 | { |
| 560 | int hash = Hash(seed, xPrimed, yPrimed) & (255 << 1); |
| 561 | |
| 562 | xo = Lookup<float>::RandVecs2D[hash]; |
| 563 | yo = Lookup<float>::RandVecs2D[hash | 1]; |
| 564 | } |
| 565 | |
| 566 | |
| 567 | void GradCoordOut(int seed, int xPrimed, int yPrimed, int zPrimed, float& xo, float& yo, float& zo) const |
| 568 | { |
| 569 | int hash = Hash(seed, xPrimed, yPrimed, zPrimed) & (255 << 2); |
| 570 | |
| 571 | xo = Lookup<float>::RandVecs3D[hash]; |
| 572 | yo = Lookup<float>::RandVecs3D[hash | 1]; |
| 573 | zo = Lookup<float>::RandVecs3D[hash | 2]; |
| 574 | } |
| 575 | |
| 576 | |
| 577 | void GradCoordDual(int seed, int xPrimed, int yPrimed, float xd, float yd, float& xo, float& yo) const |
| 578 | { |
| 579 | int hash = Hash(seed, xPrimed, yPrimed); |
| 580 | int index1 = hash & (127 << 1); |
| 581 | int index2 = (hash >> 7) & (255 << 1); |
| 582 | |
| 583 | float xg = Lookup<float>::Gradients2D[index1]; |
| 584 | float yg = Lookup<float>::Gradients2D[index1 | 1]; |
| 585 | float value = xd * xg + yd * yg; |
| 586 | |
| 587 | float xgo = Lookup<float>::RandVecs2D[index2]; |
| 588 | float ygo = Lookup<float>::RandVecs2D[index2 | 1]; |
| 589 | |
| 590 | xo = value * xgo; |
| 591 | yo = value * ygo; |
| 592 | } |
| 593 | |
| 594 | |
| 595 | void GradCoordDual(int seed, int xPrimed, int yPrimed, int zPrimed, float xd, float yd, float zd, float& xo, float& yo, float& zo) const |
| 596 | { |
| 597 | int hash = Hash(seed, xPrimed, yPrimed, zPrimed); |
| 598 | int index1 = hash & (63 << 2); |
| 599 | int index2 = (hash >> 6) & (255 << 2); |
| 600 | |
| 601 | float xg = Lookup<float>::Gradients3D[index1]; |
| 602 | float yg = Lookup<float>::Gradients3D[index1 | 1]; |
| 603 | float zg = Lookup<float>::Gradients3D[index1 | 2]; |
| 604 | float value = xd * xg + yd * yg + zd * zg; |
| 605 | |
| 606 | float xgo = Lookup<float>::RandVecs3D[index2]; |
| 607 | float ygo = Lookup<float>::RandVecs3D[index2 | 1]; |
| 608 | float zgo = Lookup<float>::RandVecs3D[index2 | 2]; |
| 609 | |
| 610 | xo = value * xgo; |
| 611 | yo = value * ygo; |
| 612 | zo = value * zgo; |
| 613 | } |
| 614 | |
| 615 | |
| 616 | // Generic noise gen |
| 617 | |
| 618 | template <typename FNfloat> |
| 619 | float GenNoiseSingle(int seed, FNfloat x, FNfloat y) const |
| 620 | { |
| 621 | switch (mNoiseType) |
| 622 | { |
| 623 | case NoiseType_OpenSimplex2: |
| 624 | return SingleSimplex(seed, x, y); |
| 625 | case NoiseType_OpenSimplex2S: |
| 626 | return SingleOpenSimplex2S(seed, x, y); |
| 627 | case NoiseType_Cellular: |
| 628 | return SingleCellular(seed, x, y); |
| 629 | case NoiseType_Perlin: |
| 630 | return SinglePerlin(seed, x, y); |
| 631 | case NoiseType_ValueCubic: |
| 632 | return SingleValueCubic(seed, x, y); |
| 633 | case NoiseType_Value: |
| 634 | return SingleValue(seed, x, y); |
| 635 | default: |
| 636 | return 0; |
| 637 | } |
| 638 | } |
| 639 | |
| 640 | template <typename FNfloat> |
| 641 | float GenNoiseSingle(int seed, FNfloat x, FNfloat y, FNfloat z) const |
| 642 | { |
| 643 | switch (mNoiseType) |
| 644 | { |
| 645 | case NoiseType_OpenSimplex2: |
| 646 | return SingleOpenSimplex2(seed, x, y, z); |
| 647 | case NoiseType_OpenSimplex2S: |
| 648 | return SingleOpenSimplex2S(seed, x, y, z); |
| 649 | case NoiseType_Cellular: |
| 650 | return SingleCellular(seed, x, y, z); |
| 651 | case NoiseType_Perlin: |
| 652 | return SinglePerlin(seed, x, y, z); |
| 653 | case NoiseType_ValueCubic: |
| 654 | return SingleValueCubic(seed, x, y, z); |
| 655 | case NoiseType_Value: |
| 656 | return SingleValue(seed, x, y, z); |
| 657 | default: |
| 658 | return 0; |
| 659 | } |
| 660 | } |
| 661 | |
| 662 | |
| 663 | // Noise Coordinate Transforms (frequency, and possible skew or rotation) |
| 664 | |
| 665 | template <typename FNfloat> |
| 666 | void TransformNoiseCoordinate(FNfloat& x, FNfloat& y) const |
| 667 | { |
| 668 | x *= mFrequency; |
| 669 | y *= mFrequency; |
| 670 | |
| 671 | switch (mNoiseType) |
| 672 | { |
| 673 | case NoiseType_OpenSimplex2: |
| 674 | case NoiseType_OpenSimplex2S: |
| 675 | { |
| 676 | const FNfloat SQRT3 = (FNfloat)1.7320508075688772935274463415059; |
| 677 | const FNfloat F2 = 0.5f * (SQRT3 - 1); |
| 678 | FNfloat t = (x + y) * F2; |
| 679 | x += t; |
| 680 | y += t; |
| 681 | } |
| 682 | break; |
| 683 | default: |
| 684 | break; |
| 685 | } |
| 686 | } |
| 687 | |
| 688 | template <typename FNfloat> |
| 689 | void TransformNoiseCoordinate(FNfloat& x, FNfloat& y, FNfloat& z) const |
| 690 | { |
| 691 | x *= mFrequency; |
| 692 | y *= mFrequency; |
| 693 | z *= mFrequency; |
| 694 | |
| 695 | switch (mTransformType3D) |
| 696 | { |
| 697 | case TransformType3D_ImproveXYPlanes: |
| 698 | { |
| 699 | FNfloat xy = x + y; |
| 700 | FNfloat s2 = xy * -(FNfloat)0.211324865405187; |
| 701 | z *= (FNfloat)0.577350269189626; |
| 702 | x += s2 - z; |
| 703 | y = y + s2 - z; |
| 704 | z += xy * (FNfloat)0.577350269189626; |
| 705 | } |
| 706 | break; |
| 707 | case TransformType3D_ImproveXZPlanes: |
| 708 | { |
| 709 | FNfloat xz = x + z; |
| 710 | FNfloat s2 = xz * -(FNfloat)0.211324865405187; |
| 711 | y *= (FNfloat)0.577350269189626; |
| 712 | x += s2 - y; |
| 713 | z += s2 - y; |
| 714 | y += xz * (FNfloat)0.577350269189626; |
| 715 | } |
| 716 | break; |
| 717 | case TransformType3D_DefaultOpenSimplex2: |
| 718 | { |
| 719 | const FNfloat R3 = (FNfloat)(2.0 / 3.0); |
| 720 | FNfloat r = (x + y + z) * R3; // Rotation, not skew |
| 721 | x = r - x; |
| 722 | y = r - y; |
| 723 | z = r - z; |
| 724 | } |
| 725 | break; |
| 726 | default: |
| 727 | break; |
| 728 | } |
| 729 | } |
| 730 | |
| 731 | void UpdateTransformType3D() |
| 732 | { |
| 733 | switch (mRotationType3D) |
| 734 | { |
| 735 | case RotationType3D_ImproveXYPlanes: |
| 736 | mTransformType3D = TransformType3D_ImproveXYPlanes; |
| 737 | break; |
| 738 | case RotationType3D_ImproveXZPlanes: |
| 739 | mTransformType3D = TransformType3D_ImproveXZPlanes; |
| 740 | break; |
| 741 | default: |
| 742 | switch (mNoiseType) |
| 743 | { |
| 744 | case NoiseType_OpenSimplex2: |
| 745 | case NoiseType_OpenSimplex2S: |
| 746 | mTransformType3D = TransformType3D_DefaultOpenSimplex2; |
| 747 | break; |
| 748 | default: |
| 749 | mTransformType3D = TransformType3D_None; |
| 750 | break; |
| 751 | } |
| 752 | break; |
| 753 | } |
| 754 | } |
| 755 | |
| 756 | |
| 757 | // Domain Warp Coordinate Transforms |
| 758 | |
| 759 | template <typename FNfloat> |
| 760 | void TransformDomainWarpCoordinate(FNfloat& x, FNfloat& y) const |
| 761 | { |
| 762 | switch (mDomainWarpType) |
| 763 | { |
| 764 | case DomainWarpType_OpenSimplex2: |
| 765 | case DomainWarpType_OpenSimplex2Reduced: |
| 766 | { |
| 767 | const FNfloat SQRT3 = (FNfloat)1.7320508075688772935274463415059; |
| 768 | const FNfloat F2 = 0.5f * (SQRT3 - 1); |
| 769 | FNfloat t = (x + y) * F2; |
| 770 | x += t; |
| 771 | y += t; |
| 772 | } |
| 773 | break; |
| 774 | default: |
| 775 | break; |
| 776 | } |
| 777 | } |
| 778 | |
| 779 | template <typename FNfloat> |
| 780 | void TransformDomainWarpCoordinate(FNfloat& x, FNfloat& y, FNfloat& z) const |
| 781 | { |
| 782 | switch (mWarpTransformType3D) |
| 783 | { |
| 784 | case TransformType3D_ImproveXYPlanes: |
| 785 | { |
| 786 | FNfloat xy = x + y; |
| 787 | FNfloat s2 = xy * -(FNfloat)0.211324865405187; |
| 788 | z *= (FNfloat)0.577350269189626; |
| 789 | x += s2 - z; |
| 790 | y = y + s2 - z; |
| 791 | z += xy * (FNfloat)0.577350269189626; |
| 792 | } |
| 793 | break; |
| 794 | case TransformType3D_ImproveXZPlanes: |
| 795 | { |
| 796 | FNfloat xz = x + z; |
| 797 | FNfloat s2 = xz * -(FNfloat)0.211324865405187; |
| 798 | y *= (FNfloat)0.577350269189626; |
| 799 | x += s2 - y; |
| 800 | z += s2 - y; |
| 801 | y += xz * (FNfloat)0.577350269189626; |
| 802 | } |
| 803 | break; |
| 804 | case TransformType3D_DefaultOpenSimplex2: |
| 805 | { |
| 806 | const FNfloat R3 = (FNfloat)(2.0 / 3.0); |
| 807 | FNfloat r = (x + y + z) * R3; // Rotation, not skew |
| 808 | x = r - x; |
| 809 | y = r - y; |
| 810 | z = r - z; |
| 811 | } |
| 812 | break; |
| 813 | default: |
| 814 | break; |
| 815 | } |
| 816 | } |
| 817 | |
| 818 | void UpdateWarpTransformType3D() |
| 819 | { |
| 820 | switch (mRotationType3D) |
| 821 | { |
| 822 | case RotationType3D_ImproveXYPlanes: |
| 823 | mWarpTransformType3D = TransformType3D_ImproveXYPlanes; |
| 824 | break; |
| 825 | case RotationType3D_ImproveXZPlanes: |
| 826 | mWarpTransformType3D = TransformType3D_ImproveXZPlanes; |
| 827 | break; |
| 828 | default: |
| 829 | switch (mDomainWarpType) |
| 830 | { |
| 831 | case DomainWarpType_OpenSimplex2: |
| 832 | case DomainWarpType_OpenSimplex2Reduced: |
| 833 | mWarpTransformType3D = TransformType3D_DefaultOpenSimplex2; |
| 834 | break; |
| 835 | default: |
| 836 | mWarpTransformType3D = TransformType3D_None; |
| 837 | break; |
| 838 | } |
| 839 | break; |
| 840 | } |
| 841 | } |
| 842 | |
| 843 | |
| 844 | // Fractal FBm |
| 845 | |
| 846 | template <typename FNfloat> |
| 847 | float GenFractalFBm(FNfloat x, FNfloat y) const |
| 848 | { |
| 849 | int seed = mSeed; |
| 850 | float sum = 0; |
| 851 | float amp = mFractalBounding; |
| 852 | |
| 853 | for (int i = 0; i < mOctaves; i++) |
| 854 | { |
| 855 | float noise = GenNoiseSingle(seed++, x, y); |
| 856 | sum += noise * amp; |
| 857 | amp *= Lerp(1.0f, FastMin(noise + 1, 2) * 0.5f, mWeightedStrength); |
| 858 | |
| 859 | x *= mLacunarity; |
| 860 | y *= mLacunarity; |
| 861 | amp *= mGain; |
| 862 | } |
| 863 | |
| 864 | return sum; |
| 865 | } |
| 866 | |
| 867 | template <typename FNfloat> |
| 868 | float GenFractalFBm(FNfloat x, FNfloat y, FNfloat z) const |
| 869 | { |
| 870 | int seed = mSeed; |
| 871 | float sum = 0; |
| 872 | float amp = mFractalBounding; |
| 873 | |
| 874 | for (int i = 0; i < mOctaves; i++) |
| 875 | { |
| 876 | float noise = GenNoiseSingle(seed++, x, y, z); |
| 877 | sum += noise * amp; |
| 878 | amp *= Lerp(1.0f, (noise + 1) * 0.5f, mWeightedStrength); |
| 879 | |
| 880 | x *= mLacunarity; |
| 881 | y *= mLacunarity; |
| 882 | z *= mLacunarity; |
| 883 | amp *= mGain; |
| 884 | } |
| 885 | |
| 886 | return sum; |
| 887 | } |
| 888 | |
| 889 | |
| 890 | // Fractal Ridged |
| 891 | |
| 892 | template <typename FNfloat> |
| 893 | float GenFractalRidged(FNfloat x, FNfloat y) const |
| 894 | { |
| 895 | int seed = mSeed; |
| 896 | float sum = 0; |
| 897 | float amp = mFractalBounding; |
| 898 | |
| 899 | for (int i = 0; i < mOctaves; i++) |
| 900 | { |
| 901 | float noise = FastAbs(GenNoiseSingle(seed++, x, y)); |
| 902 | sum += (noise * -2 + 1) * amp; |
| 903 | amp *= Lerp(1.0f, 1 - noise, mWeightedStrength); |
| 904 | |
| 905 | x *= mLacunarity; |
| 906 | y *= mLacunarity; |
| 907 | amp *= mGain; |
| 908 | } |
| 909 | |
| 910 | return sum; |
| 911 | } |
| 912 | |
| 913 | template <typename FNfloat> |
| 914 | float GenFractalRidged(FNfloat x, FNfloat y, FNfloat z) const |
| 915 | { |
| 916 | int seed = mSeed; |
| 917 | float sum = 0; |
| 918 | float amp = mFractalBounding; |
| 919 | |
| 920 | for (int i = 0; i < mOctaves; i++) |
| 921 | { |
| 922 | float noise = FastAbs(GenNoiseSingle(seed++, x, y, z)); |
| 923 | sum += (noise * -2 + 1) * amp; |
| 924 | amp *= Lerp(1.0f, 1 - noise, mWeightedStrength); |
| 925 | |
| 926 | x *= mLacunarity; |
| 927 | y *= mLacunarity; |
| 928 | z *= mLacunarity; |
| 929 | amp *= mGain; |
| 930 | } |
| 931 | |
| 932 | return sum; |
| 933 | } |
| 934 | |
| 935 | |
| 936 | // Fractal PingPong |
| 937 | |
| 938 | template <typename FNfloat> |
| 939 | float GenFractalPingPong(FNfloat x, FNfloat y) const |
| 940 | { |
| 941 | int seed = mSeed; |
| 942 | float sum = 0; |
| 943 | float amp = mFractalBounding; |
| 944 | |
| 945 | for (int i = 0; i < mOctaves; i++) |
| 946 | { |
| 947 | float noise = PingPong((GenNoiseSingle(seed++, x, y) + 1) * mPingPongStrength); |
| 948 | sum += (noise - 0.5f) * 2 * amp; |
| 949 | amp *= Lerp(1.0f, noise, mWeightedStrength); |
| 950 | |
| 951 | x *= mLacunarity; |
| 952 | y *= mLacunarity; |
| 953 | amp *= mGain; |
| 954 | } |
| 955 | |
| 956 | return sum; |
| 957 | } |
| 958 | |
| 959 | template <typename FNfloat> |
| 960 | float GenFractalPingPong(FNfloat x, FNfloat y, FNfloat z) const |
| 961 | { |
| 962 | int seed = mSeed; |
| 963 | float sum = 0; |
| 964 | float amp = mFractalBounding; |
| 965 | |
| 966 | for (int i = 0; i < mOctaves; i++) |
| 967 | { |
| 968 | float noise = PingPong((GenNoiseSingle(seed++, x, y, z) + 1) * mPingPongStrength); |
| 969 | sum += (noise - 0.5f) * 2 * amp; |
| 970 | amp *= Lerp(1.0f, noise, mWeightedStrength); |
| 971 | |
| 972 | x *= mLacunarity; |
| 973 | y *= mLacunarity; |
| 974 | z *= mLacunarity; |
| 975 | amp *= mGain; |
| 976 | } |
| 977 | |
| 978 | return sum; |
| 979 | } |
| 980 | |
| 981 | |
| 982 | // Simplex/OpenSimplex2 Noise |
| 983 | |
| 984 | template <typename FNfloat> |
| 985 | float SingleSimplex(int seed, FNfloat x, FNfloat y) const |
| 986 | { |
| 987 | // 2D OpenSimplex2 case uses the same algorithm as ordinary Simplex. |
| 988 | |
| 989 | const float SQRT3 = 1.7320508075688772935274463415059f; |
| 990 | const float G2 = (3 - SQRT3) / 6; |
| 991 | |
| 992 | /* |
| 993 | * --- Skew moved to TransformNoiseCoordinate method --- |
| 994 | * const FNfloat F2 = 0.5f * (SQRT3 - 1); |
| 995 | * FNfloat s = (x + y) * F2; |
| 996 | * x += s; y += s; |
| 997 | */ |
| 998 | |
| 999 | int i = FastFloor(x); |
| 1000 | int j = FastFloor(y); |
| 1001 | float xi = (float)(x - i); |
| 1002 | float yi = (float)(y - j); |
| 1003 | |
| 1004 | float t = (xi + yi) * G2; |
| 1005 | float x0 = (float)(xi - t); |
| 1006 | float y0 = (float)(yi - t); |
| 1007 | |
| 1008 | i *= PrimeX; |
| 1009 | j *= PrimeY; |
| 1010 | |
| 1011 | float n0, n1, n2; |
| 1012 | |
| 1013 | float a = 0.5f - x0 * x0 - y0 * y0; |
| 1014 | if (a <= 0) n0 = 0; |
| 1015 | else |
| 1016 | { |
| 1017 | n0 = (a * a) * (a * a) * GradCoord(seed, i, j, x0, y0); |
| 1018 | } |
| 1019 | |
| 1020 | float c = (float)(2 * (1 - 2 * G2) * (1 / G2 - 2)) * t + ((float)(-2 * (1 - 2 * G2) * (1 - 2 * G2)) + a); |
| 1021 | if (c <= 0) n2 = 0; |
| 1022 | else |
| 1023 | { |
| 1024 | float x2 = x0 + (2 * (float)G2 - 1); |
| 1025 | float y2 = y0 + (2 * (float)G2 - 1); |
| 1026 | n2 = (c * c) * (c * c) * GradCoord(seed, i + PrimeX, j + PrimeY, x2, y2); |
| 1027 | } |
| 1028 | |
| 1029 | if (y0 > x0) |
| 1030 | { |
| 1031 | float x1 = x0 + (float)G2; |
| 1032 | float y1 = y0 + ((float)G2 - 1); |
| 1033 | float b = 0.5f - x1 * x1 - y1 * y1; |
| 1034 | if (b <= 0) n1 = 0; |
| 1035 | else |
| 1036 | { |
| 1037 | n1 = (b * b) * (b * b) * GradCoord(seed, i, j + PrimeY, x1, y1); |
| 1038 | } |
| 1039 | } |
| 1040 | else |
| 1041 | { |
| 1042 | float x1 = x0 + ((float)G2 - 1); |
| 1043 | float y1 = y0 + (float)G2; |
| 1044 | float b = 0.5f - x1 * x1 - y1 * y1; |
| 1045 | if (b <= 0) n1 = 0; |
| 1046 | else |
| 1047 | { |
| 1048 | n1 = (b * b) * (b * b) * GradCoord(seed, i + PrimeX, j, x1, y1); |
| 1049 | } |
| 1050 | } |
| 1051 | |
| 1052 | return (n0 + n1 + n2) * 99.83685446303647f; |
| 1053 | } |
| 1054 | |
| 1055 | template <typename FNfloat> |
| 1056 | float SingleOpenSimplex2(int seed, FNfloat x, FNfloat y, FNfloat z) const |
| 1057 | { |
| 1058 | // 3D OpenSimplex2 case uses two offset rotated cube grids. |
| 1059 | |
| 1060 | /* |
| 1061 | * --- Rotation moved to TransformNoiseCoordinate method --- |
| 1062 | * const FNfloat R3 = (FNfloat)(2.0 / 3.0); |
| 1063 | * FNfloat r = (x + y + z) * R3; // Rotation, not skew |
| 1064 | * x = r - x; y = r - y; z = r - z; |
| 1065 | */ |
| 1066 | |
| 1067 | int i = FastRound(x); |
| 1068 | int j = FastRound(y); |
| 1069 | int k = FastRound(z); |
| 1070 | float x0 = (float)(x - i); |
| 1071 | float y0 = (float)(y - j); |
| 1072 | float z0 = (float)(z - k); |
| 1073 | |
| 1074 | int xNSign = (int)(-1.0f - x0) | 1; |
| 1075 | int yNSign = (int)(-1.0f - y0) | 1; |
| 1076 | int zNSign = (int)(-1.0f - z0) | 1; |
| 1077 | |
| 1078 | float ax0 = xNSign * -x0; |
| 1079 | float ay0 = yNSign * -y0; |
| 1080 | float az0 = zNSign * -z0; |
| 1081 | |
| 1082 | i *= PrimeX; |
| 1083 | j *= PrimeY; |
| 1084 | k *= PrimeZ; |
| 1085 | |
| 1086 | float value = 0; |
| 1087 | float a = (0.6f - x0 * x0) - (y0 * y0 + z0 * z0); |
| 1088 | |
| 1089 | for (int l = 0; ; l++) |
| 1090 | { |
| 1091 | if (a > 0) |
| 1092 | { |
| 1093 | value += (a * a) * (a * a) * GradCoord(seed, i, j, k, x0, y0, z0); |
| 1094 | } |
| 1095 | |
| 1096 | float b = a + 1; |
| 1097 | int i1 = i; |
| 1098 | int j1 = j; |
| 1099 | int k1 = k; |
| 1100 | float x1 = x0; |
| 1101 | float y1 = y0; |
| 1102 | float z1 = z0; |
| 1103 | |
| 1104 | if (ax0 >= ay0 && ax0 >= az0) |
| 1105 | { |
| 1106 | x1 += xNSign; |
| 1107 | b -= xNSign * 2 * x1; |
| 1108 | i1 -= xNSign * PrimeX; |
| 1109 | } |
| 1110 | else if (ay0 > ax0 && ay0 >= az0) |
| 1111 | { |
| 1112 | y1 += yNSign; |
| 1113 | b -= yNSign * 2 * y1; |
| 1114 | j1 -= yNSign * PrimeY; |
| 1115 | } |
| 1116 | else |
| 1117 | { |
| 1118 | z1 += zNSign; |
| 1119 | b -= zNSign * 2 * z1; |
| 1120 | k1 -= zNSign * PrimeZ; |
| 1121 | } |
| 1122 | |
| 1123 | if (b > 0) |
| 1124 | { |
| 1125 | value += (b * b) * (b * b) * GradCoord(seed, i1, j1, k1, x1, y1, z1); |
| 1126 | } |
| 1127 | |
| 1128 | if (l == 1) break; |
| 1129 | |
| 1130 | ax0 = 0.5f - ax0; |
| 1131 | ay0 = 0.5f - ay0; |
| 1132 | az0 = 0.5f - az0; |
| 1133 | |
| 1134 | x0 = xNSign * ax0; |
| 1135 | y0 = yNSign * ay0; |
| 1136 | z0 = zNSign * az0; |
| 1137 | |
| 1138 | a += (0.75f - ax0) - (ay0 + az0); |
| 1139 | |
| 1140 | i += (xNSign >> 1) & PrimeX; |
| 1141 | j += (yNSign >> 1) & PrimeY; |
| 1142 | k += (zNSign >> 1) & PrimeZ; |
| 1143 | |
| 1144 | xNSign = -xNSign; |
| 1145 | yNSign = -yNSign; |
| 1146 | zNSign = -zNSign; |
| 1147 | |
| 1148 | seed = ~seed; |
| 1149 | } |
| 1150 | |
| 1151 | return value * 32.69428253173828125f; |
| 1152 | } |
| 1153 | |
| 1154 | |
| 1155 | // OpenSimplex2S Noise |
| 1156 | |
| 1157 | template <typename FNfloat> |
| 1158 | float SingleOpenSimplex2S(int seed, FNfloat x, FNfloat y) const |
| 1159 | { |
| 1160 | // 2D OpenSimplex2S case is a modified 2D simplex noise. |
| 1161 | |
| 1162 | const FNfloat SQRT3 = (FNfloat)1.7320508075688772935274463415059; |
| 1163 | const FNfloat G2 = (3 - SQRT3) / 6; |
| 1164 | |
| 1165 | /* |
| 1166 | * --- Skew moved to TransformNoiseCoordinate method --- |
| 1167 | * const FNfloat F2 = 0.5f * (SQRT3 - 1); |
| 1168 | * FNfloat s = (x + y) * F2; |
| 1169 | * x += s; y += s; |
| 1170 | */ |
| 1171 | |
| 1172 | int i = FastFloor(x); |
| 1173 | int j = FastFloor(y); |
| 1174 | float xi = (float)(x - i); |
| 1175 | float yi = (float)(y - j); |
| 1176 | |
| 1177 | i *= PrimeX; |
| 1178 | j *= PrimeY; |
| 1179 | int i1 = i + PrimeX; |
| 1180 | int j1 = j + PrimeY; |
| 1181 | |
| 1182 | float t = (xi + yi) * (float)G2; |
| 1183 | float x0 = xi - t; |
| 1184 | float y0 = yi - t; |
| 1185 | |
| 1186 | float a0 = (2.0f / 3.0f) - x0 * x0 - y0 * y0; |
| 1187 | float value = (a0 * a0) * (a0 * a0) * GradCoord(seed, i, j, x0, y0); |
| 1188 | |
| 1189 | float a1 = (float)(2 * (1 - 2 * G2) * (1 / G2 - 2)) * t + ((float)(-2 * (1 - 2 * G2) * (1 - 2 * G2)) + a0); |
| 1190 | float x1 = x0 - (float)(1 - 2 * G2); |
| 1191 | float y1 = y0 - (float)(1 - 2 * G2); |
| 1192 | value += (a1 * a1) * (a1 * a1) * GradCoord(seed, i1, j1, x1, y1); |
| 1193 | |
| 1194 | // Nested conditionals were faster than compact bit logic/arithmetic. |
| 1195 | float xmyi = xi - yi; |
| 1196 | if (t > G2) |
| 1197 | { |
| 1198 | if (xi + xmyi > 1) |
| 1199 | { |
| 1200 | float x2 = x0 + (float)(3 * G2 - 2); |
| 1201 | float y2 = y0 + (float)(3 * G2 - 1); |
| 1202 | float a2 = (2.0f / 3.0f) - x2 * x2 - y2 * y2; |
| 1203 | if (a2 > 0) |
| 1204 | { |
| 1205 | value += (a2 * a2) * (a2 * a2) * GradCoord(seed, i + (PrimeX << 1), j + PrimeY, x2, y2); |
| 1206 | } |
| 1207 | } |
| 1208 | else |
| 1209 | { |
| 1210 | float x2 = x0 + (float)G2; |
| 1211 | float y2 = y0 + (float)(G2 - 1); |
| 1212 | float a2 = (2.0f / 3.0f) - x2 * x2 - y2 * y2; |
| 1213 | if (a2 > 0) |
| 1214 | { |
| 1215 | value += (a2 * a2) * (a2 * a2) * GradCoord(seed, i, j + PrimeY, x2, y2); |
| 1216 | } |
| 1217 | } |
| 1218 | |
| 1219 | if (yi - xmyi > 1) |
| 1220 | { |
| 1221 | float x3 = x0 + (float)(3 * G2 - 1); |
| 1222 | float y3 = y0 + (float)(3 * G2 - 2); |
| 1223 | float a3 = (2.0f / 3.0f) - x3 * x3 - y3 * y3; |
| 1224 | if (a3 > 0) |
| 1225 | { |
| 1226 | value += (a3 * a3) * (a3 * a3) * GradCoord(seed, i + PrimeX, j + (PrimeY << 1), x3, y3); |
| 1227 | } |
| 1228 | } |
| 1229 | else |
| 1230 | { |
| 1231 | float x3 = x0 + (float)(G2 - 1); |
| 1232 | float y3 = y0 + (float)G2; |
| 1233 | float a3 = (2.0f / 3.0f) - x3 * x3 - y3 * y3; |
| 1234 | if (a3 > 0) |
| 1235 | { |
| 1236 | value += (a3 * a3) * (a3 * a3) * GradCoord(seed, i + PrimeX, j, x3, y3); |
| 1237 | } |
| 1238 | } |
| 1239 | } |
| 1240 | else |
| 1241 | { |
| 1242 | if (xi + xmyi < 0) |
| 1243 | { |
| 1244 | float x2 = x0 + (float)(1 - G2); |
| 1245 | float y2 = y0 - (float)G2; |
| 1246 | float a2 = (2.0f / 3.0f) - x2 * x2 - y2 * y2; |
| 1247 | if (a2 > 0) |
| 1248 | { |
| 1249 | value += (a2 * a2) * (a2 * a2) * GradCoord(seed, i - PrimeX, j, x2, y2); |
| 1250 | } |
| 1251 | } |
| 1252 | else |
| 1253 | { |
| 1254 | float x2 = x0 + (float)(G2 - 1); |
| 1255 | float y2 = y0 + (float)G2; |
| 1256 | float a2 = (2.0f / 3.0f) - x2 * x2 - y2 * y2; |
| 1257 | if (a2 > 0) |
| 1258 | { |
| 1259 | value += (a2 * a2) * (a2 * a2) * GradCoord(seed, i + PrimeX, j, x2, y2); |
| 1260 | } |
| 1261 | } |
| 1262 | |
| 1263 | if (yi < xmyi) |
| 1264 | { |
| 1265 | float x2 = x0 - (float)G2; |
| 1266 | float y2 = y0 - (float)(G2 - 1); |
| 1267 | float a2 = (2.0f / 3.0f) - x2 * x2 - y2 * y2; |
| 1268 | if (a2 > 0) |
| 1269 | { |
| 1270 | value += (a2 * a2) * (a2 * a2) * GradCoord(seed, i, j - PrimeY, x2, y2); |
| 1271 | } |
| 1272 | } |
| 1273 | else |
| 1274 | { |
| 1275 | float x2 = x0 + (float)G2; |
| 1276 | float y2 = y0 + (float)(G2 - 1); |
| 1277 | float a2 = (2.0f / 3.0f) - x2 * x2 - y2 * y2; |
| 1278 | if (a2 > 0) |
| 1279 | { |
| 1280 | value += (a2 * a2) * (a2 * a2) * GradCoord(seed, i, j + PrimeY, x2, y2); |
| 1281 | } |
| 1282 | } |
| 1283 | } |
| 1284 | |
| 1285 | return value * 18.24196194486065f; |
| 1286 | } |
| 1287 | |
| 1288 | template <typename FNfloat> |
| 1289 | float SingleOpenSimplex2S(int seed, FNfloat x, FNfloat y, FNfloat z) const |
| 1290 | { |
| 1291 | // 3D OpenSimplex2S case uses two offset rotated cube grids. |
| 1292 | |
| 1293 | /* |
| 1294 | * --- Rotation moved to TransformNoiseCoordinate method --- |
| 1295 | * const FNfloat R3 = (FNfloat)(2.0 / 3.0); |
| 1296 | * FNfloat r = (x + y + z) * R3; // Rotation, not skew |
| 1297 | * x = r - x; y = r - y; z = r - z; |
| 1298 | */ |
| 1299 | |
| 1300 | int i = FastFloor(x); |
| 1301 | int j = FastFloor(y); |
| 1302 | int k = FastFloor(z); |
| 1303 | float xi = (float)(x - i); |
| 1304 | float yi = (float)(y - j); |
| 1305 | float zi = (float)(z - k); |
| 1306 | |
| 1307 | i *= PrimeX; |
| 1308 | j *= PrimeY; |
| 1309 | k *= PrimeZ; |
| 1310 | int seed2 = seed + 1293373; |
| 1311 | |
| 1312 | int xNMask = (int)(-0.5f - xi); |
| 1313 | int yNMask = (int)(-0.5f - yi); |
| 1314 | int zNMask = (int)(-0.5f - zi); |
| 1315 | |
| 1316 | float x0 = xi + xNMask; |
| 1317 | float y0 = yi + yNMask; |
| 1318 | float z0 = zi + zNMask; |
| 1319 | float a0 = 0.75f - x0 * x0 - y0 * y0 - z0 * z0; |
| 1320 | float value = (a0 * a0) * (a0 * a0) * GradCoord(seed, |
| 1321 | i + (xNMask & PrimeX), j + (yNMask & PrimeY), k + (zNMask & PrimeZ), x0, y0, z0); |
| 1322 | |
| 1323 | float x1 = xi - 0.5f; |
| 1324 | float y1 = yi - 0.5f; |
| 1325 | float z1 = zi - 0.5f; |
| 1326 | float a1 = 0.75f - x1 * x1 - y1 * y1 - z1 * z1; |
| 1327 | value += (a1 * a1) * (a1 * a1) * GradCoord(seed2, |
| 1328 | i + PrimeX, j + PrimeY, k + PrimeZ, x1, y1, z1); |
| 1329 | |
| 1330 | float xAFlipMask0 = ((xNMask | 1) << 1) * x1; |
| 1331 | float yAFlipMask0 = ((yNMask | 1) << 1) * y1; |
| 1332 | float zAFlipMask0 = ((zNMask | 1) << 1) * z1; |
| 1333 | float xAFlipMask1 = (-2 - (xNMask << 2)) * x1 - 1.0f; |
| 1334 | float yAFlipMask1 = (-2 - (yNMask << 2)) * y1 - 1.0f; |
| 1335 | float zAFlipMask1 = (-2 - (zNMask << 2)) * z1 - 1.0f; |
| 1336 | |
| 1337 | bool skip5 = false; |
| 1338 | float a2 = xAFlipMask0 + a0; |
| 1339 | if (a2 > 0) |
| 1340 | { |
| 1341 | float x2 = x0 - (xNMask | 1); |
| 1342 | float y2 = y0; |
| 1343 | float z2 = z0; |
| 1344 | value += (a2 * a2) * (a2 * a2) * GradCoord(seed, |
| 1345 | i + (~xNMask & PrimeX), j + (yNMask & PrimeY), k + (zNMask & PrimeZ), x2, y2, z2); |
| 1346 | } |
| 1347 | else |
| 1348 | { |
| 1349 | float a3 = yAFlipMask0 + zAFlipMask0 + a0; |
| 1350 | if (a3 > 0) |
| 1351 | { |
| 1352 | float x3 = x0; |
| 1353 | float y3 = y0 - (yNMask | 1); |
| 1354 | float z3 = z0 - (zNMask | 1); |
| 1355 | value += (a3 * a3) * (a3 * a3) * GradCoord(seed, |
| 1356 | i + (xNMask & PrimeX), j + (~yNMask & PrimeY), k + (~zNMask & PrimeZ), x3, y3, z3); |
| 1357 | } |
| 1358 | |
| 1359 | float a4 = xAFlipMask1 + a1; |
| 1360 | if (a4 > 0) |
| 1361 | { |
| 1362 | float x4 = (xNMask | 1) + x1; |
| 1363 | float y4 = y1; |
| 1364 | float z4 = z1; |
| 1365 | value += (a4 * a4) * (a4 * a4) * GradCoord(seed2, |
| 1366 | i + (xNMask & (PrimeX * 2)), j + PrimeY, k + PrimeZ, x4, y4, z4); |
| 1367 | skip5 = true; |
| 1368 | } |
| 1369 | } |
| 1370 | |
| 1371 | bool skip9 = false; |
| 1372 | float a6 = yAFlipMask0 + a0; |
| 1373 | if (a6 > 0) |
| 1374 | { |
| 1375 | float x6 = x0; |
| 1376 | float y6 = y0 - (yNMask | 1); |
| 1377 | float z6 = z0; |
| 1378 | value += (a6 * a6) * (a6 * a6) * GradCoord(seed, |
| 1379 | i + (xNMask & PrimeX), j + (~yNMask & PrimeY), k + (zNMask & PrimeZ), x6, y6, z6); |
| 1380 | } |
| 1381 | else |
| 1382 | { |
| 1383 | float a7 = xAFlipMask0 + zAFlipMask0 + a0; |
| 1384 | if (a7 > 0) |
| 1385 | { |
| 1386 | float x7 = x0 - (xNMask | 1); |
| 1387 | float y7 = y0; |
| 1388 | float z7 = z0 - (zNMask | 1); |
| 1389 | value += (a7 * a7) * (a7 * a7) * GradCoord(seed, |
| 1390 | i + (~xNMask & PrimeX), j + (yNMask & PrimeY), k + (~zNMask & PrimeZ), x7, y7, z7); |
| 1391 | } |
| 1392 | |
| 1393 | float a8 = yAFlipMask1 + a1; |
| 1394 | if (a8 > 0) |
| 1395 | { |
| 1396 | float x8 = x1; |
| 1397 | float y8 = (yNMask | 1) + y1; |
| 1398 | float z8 = z1; |
| 1399 | value += (a8 * a8) * (a8 * a8) * GradCoord(seed2, |
| 1400 | i + PrimeX, j + (yNMask & (PrimeY << 1)), k + PrimeZ, x8, y8, z8); |
| 1401 | skip9 = true; |
| 1402 | } |
| 1403 | } |
| 1404 | |
| 1405 | bool skipD = false; |
| 1406 | float aA = zAFlipMask0 + a0; |
| 1407 | if (aA > 0) |
| 1408 | { |
| 1409 | float xA = x0; |
| 1410 | float yA = y0; |
| 1411 | float zA = z0 - (zNMask | 1); |
| 1412 | value += (aA * aA) * (aA * aA) * GradCoord(seed, |
| 1413 | i + (xNMask & PrimeX), j + (yNMask & PrimeY), k + (~zNMask & PrimeZ), xA, yA, zA); |
| 1414 | } |
| 1415 | else |
| 1416 | { |
| 1417 | float aB = xAFlipMask0 + yAFlipMask0 + a0; |
| 1418 | if (aB > 0) |
| 1419 | { |
| 1420 | float xB = x0 - (xNMask | 1); |
| 1421 | float yB = y0 - (yNMask | 1); |
| 1422 | float zB = z0; |
| 1423 | value += (aB * aB) * (aB * aB) * GradCoord(seed, |
| 1424 | i + (~xNMask & PrimeX), j + (~yNMask & PrimeY), k + (zNMask & PrimeZ), xB, yB, zB); |
| 1425 | } |
| 1426 | |
| 1427 | float aC = zAFlipMask1 + a1; |
| 1428 | if (aC > 0) |
| 1429 | { |
| 1430 | float xC = x1; |
| 1431 | float yC = y1; |
| 1432 | float zC = (zNMask | 1) + z1; |
| 1433 | value += (aC * aC) * (aC * aC) * GradCoord(seed2, |
| 1434 | i + PrimeX, j + PrimeY, k + (zNMask & (PrimeZ << 1)), xC, yC, zC); |
| 1435 | skipD = true; |
| 1436 | } |
| 1437 | } |
| 1438 | |
| 1439 | if (!skip5) |
| 1440 | { |
| 1441 | float a5 = yAFlipMask1 + zAFlipMask1 + a1; |
| 1442 | if (a5 > 0) |
| 1443 | { |
| 1444 | float x5 = x1; |
| 1445 | float y5 = (yNMask | 1) + y1; |
| 1446 | float z5 = (zNMask | 1) + z1; |
| 1447 | value += (a5 * a5) * (a5 * a5) * GradCoord(seed2, |
| 1448 | i + PrimeX, j + (yNMask & (PrimeY << 1)), k + (zNMask & (PrimeZ << 1)), x5, y5, z5); |
| 1449 | } |
| 1450 | } |
| 1451 | |
| 1452 | if (!skip9) |
| 1453 | { |
| 1454 | float a9 = xAFlipMask1 + zAFlipMask1 + a1; |
| 1455 | if (a9 > 0) |
| 1456 | { |
| 1457 | float x9 = (xNMask | 1) + x1; |
| 1458 | float y9 = y1; |
| 1459 | float z9 = (zNMask | 1) + z1; |
| 1460 | value += (a9 * a9) * (a9 * a9) * GradCoord(seed2, |
| 1461 | i + (xNMask & (PrimeX * 2)), j + PrimeY, k + (zNMask & (PrimeZ << 1)), x9, y9, z9); |
| 1462 | } |
| 1463 | } |
| 1464 | |
| 1465 | if (!skipD) |
| 1466 | { |
| 1467 | float aD = xAFlipMask1 + yAFlipMask1 + a1; |
| 1468 | if (aD > 0) |
| 1469 | { |
| 1470 | float xD = (xNMask | 1) + x1; |
| 1471 | float yD = (yNMask | 1) + y1; |
| 1472 | float zD = z1; |
| 1473 | value += (aD * aD) * (aD * aD) * GradCoord(seed2, |
| 1474 | i + (xNMask & (PrimeX << 1)), j + (yNMask & (PrimeY << 1)), k + PrimeZ, xD, yD, zD); |
| 1475 | } |
| 1476 | } |
| 1477 | |
| 1478 | return value * 9.046026385208288f; |
| 1479 | } |
| 1480 | |
| 1481 | |
| 1482 | // Cellular Noise |
| 1483 | |
| 1484 | template <typename FNfloat> |
| 1485 | float SingleCellular(int seed, FNfloat x, FNfloat y) const |
| 1486 | { |
| 1487 | int xr = FastRound(x); |
| 1488 | int yr = FastRound(y); |
| 1489 | |
| 1490 | float distance0 = 1e10f; |
| 1491 | float distance1 = 1e10f; |
| 1492 | int closestHash = 0; |
| 1493 | |
| 1494 | float cellularJitter = 0.43701595f * mCellularJitterModifier; |
| 1495 | |
| 1496 | int xPrimed = (xr - 1) * PrimeX; |
| 1497 | int yPrimedBase = (yr - 1) * PrimeY; |
| 1498 | |
| 1499 | switch (mCellularDistanceFunction) |
| 1500 | { |
| 1501 | default: |
| 1502 | case CellularDistanceFunction_Euclidean: |
| 1503 | case CellularDistanceFunction_EuclideanSq: |
| 1504 | for (int xi = xr - 1; xi <= xr + 1; xi++) |
| 1505 | { |
| 1506 | int yPrimed = yPrimedBase; |
| 1507 | |
| 1508 | for (int yi = yr - 1; yi <= yr + 1; yi++) |
| 1509 | { |
| 1510 | int hash = Hash(seed, xPrimed, yPrimed); |
| 1511 | int idx = hash & (255 << 1); |
| 1512 | |
| 1513 | float vecX = (float)(xi - x) + Lookup<float>::RandVecs2D[idx] * cellularJitter; |
| 1514 | float vecY = (float)(yi - y) + Lookup<float>::RandVecs2D[idx | 1] * cellularJitter; |
| 1515 | |
| 1516 | float newDistance = vecX * vecX + vecY * vecY; |
| 1517 | |
| 1518 | distance1 = FastMax(FastMin(distance1, newDistance), distance0); |
| 1519 | if (newDistance < distance0) |
| 1520 | { |
| 1521 | distance0 = newDistance; |
| 1522 | closestHash = hash; |
| 1523 | } |
| 1524 | yPrimed += PrimeY; |
| 1525 | } |
| 1526 | xPrimed += PrimeX; |
| 1527 | } |
| 1528 | break; |
| 1529 | case CellularDistanceFunction_Manhattan: |
| 1530 | for (int xi = xr - 1; xi <= xr + 1; xi++) |
| 1531 | { |
| 1532 | int yPrimed = yPrimedBase; |
| 1533 | |
| 1534 | for (int yi = yr - 1; yi <= yr + 1; yi++) |
| 1535 | { |
| 1536 | int hash = Hash(seed, xPrimed, yPrimed); |
| 1537 | int idx = hash & (255 << 1); |
| 1538 | |
| 1539 | float vecX = (float)(xi - x) + Lookup<float>::RandVecs2D[idx] * cellularJitter; |
| 1540 | float vecY = (float)(yi - y) + Lookup<float>::RandVecs2D[idx | 1] * cellularJitter; |
| 1541 | |
| 1542 | float newDistance = FastAbs(vecX) + FastAbs(vecY); |
| 1543 | |
| 1544 | distance1 = FastMax(FastMin(distance1, newDistance), distance0); |
| 1545 | if (newDistance < distance0) |
| 1546 | { |
| 1547 | distance0 = newDistance; |
| 1548 | closestHash = hash; |
| 1549 | } |
| 1550 | yPrimed += PrimeY; |
| 1551 | } |
| 1552 | xPrimed += PrimeX; |
| 1553 | } |
| 1554 | break; |
| 1555 | case CellularDistanceFunction_Hybrid: |
| 1556 | for (int xi = xr - 1; xi <= xr + 1; xi++) |
| 1557 | { |
| 1558 | int yPrimed = yPrimedBase; |
| 1559 | |
| 1560 | for (int yi = yr - 1; yi <= yr + 1; yi++) |
| 1561 | { |
| 1562 | int hash = Hash(seed, xPrimed, yPrimed); |
| 1563 | int idx = hash & (255 << 1); |
| 1564 | |
| 1565 | float vecX = (float)(xi - x) + Lookup<float>::RandVecs2D[idx] * cellularJitter; |
| 1566 | float vecY = (float)(yi - y) + Lookup<float>::RandVecs2D[idx | 1] * cellularJitter; |
| 1567 | |
| 1568 | float newDistance = (FastAbs(vecX) + FastAbs(vecY)) + (vecX * vecX + vecY * vecY); |
| 1569 | |
| 1570 | distance1 = FastMax(FastMin(distance1, newDistance), distance0); |
| 1571 | if (newDistance < distance0) |
| 1572 | { |
| 1573 | distance0 = newDistance; |
| 1574 | closestHash = hash; |
| 1575 | } |
| 1576 | yPrimed += PrimeY; |
| 1577 | } |
| 1578 | xPrimed += PrimeX; |
| 1579 | } |
| 1580 | break; |
| 1581 | } |
| 1582 | |
| 1583 | if (mCellularDistanceFunction == CellularDistanceFunction_Euclidean && mCellularReturnType >= CellularReturnType_Distance) |
| 1584 | { |
| 1585 | distance0 = FastSqrt(distance0); |
| 1586 | |
| 1587 | if (mCellularReturnType >= CellularReturnType_Distance2) |
| 1588 | { |
| 1589 | distance1 = FastSqrt(distance1); |
| 1590 | } |
| 1591 | } |
| 1592 | |
| 1593 | switch (mCellularReturnType) |
| 1594 | { |
| 1595 | case CellularReturnType_CellValue: |
| 1596 | return closestHash * (1 / 2147483648.0f); |
| 1597 | case CellularReturnType_Distance: |
| 1598 | return distance0 - 1; |
| 1599 | case CellularReturnType_Distance2: |
| 1600 | return distance1 - 1; |
| 1601 | case CellularReturnType_Distance2Add: |
| 1602 | return (distance1 + distance0) * 0.5f - 1; |
| 1603 | case CellularReturnType_Distance2Sub: |
| 1604 | return distance1 - distance0 - 1; |
| 1605 | case CellularReturnType_Distance2Mul: |
| 1606 | return distance1 * distance0 * 0.5f - 1; |
| 1607 | case CellularReturnType_Distance2Div: |
| 1608 | return distance0 / distance1 - 1; |
| 1609 | default: |
| 1610 | return 0; |
| 1611 | } |
| 1612 | } |
| 1613 | |
| 1614 | // GCC raises warnings when integer overflows occur, which are needed for hashing here. |
| 1615 | #if defined(__GNUC__) && !defined(__clang__) |
| 1616 | #pragma GCC diagnostic push |
| 1617 | #pragma GCC diagnostic ignored "-Waggressive-loop-optimizations" |
| 1618 | #endif |
| 1619 | |
| 1620 | template <typename FNfloat> |
| 1621 | float SingleCellular(int seed, FNfloat x, FNfloat y, FNfloat z) const |
| 1622 | { |
| 1623 | int xr = FastRound(x); |
| 1624 | int yr = FastRound(y); |
| 1625 | int zr = FastRound(z); |
| 1626 | |
| 1627 | float distance0 = 1e10f; |
| 1628 | float distance1 = 1e10f; |
| 1629 | int closestHash = 0; |
| 1630 | |
| 1631 | float cellularJitter = 0.39614353f * mCellularJitterModifier; |
| 1632 | |
| 1633 | int xPrimed = (xr - 1) * PrimeX; |
| 1634 | int yPrimedBase = (yr - 1) * PrimeY; |
| 1635 | int zPrimedBase = (zr - 1) * PrimeZ; |
| 1636 | |
| 1637 | switch (mCellularDistanceFunction) |
| 1638 | { |
| 1639 | case CellularDistanceFunction_Euclidean: |
| 1640 | case CellularDistanceFunction_EuclideanSq: |
| 1641 | for (int xi = xr - 1; xi <= xr + 1; xi++) |
| 1642 | { |
| 1643 | int yPrimed = yPrimedBase; |
| 1644 | |
| 1645 | for (int yi = yr - 1; yi <= yr + 1; yi++) |
| 1646 | { |
| 1647 | int zPrimed = zPrimedBase; |
| 1648 | |
| 1649 | for (int zi = zr - 1; zi <= zr + 1; zi++) |
| 1650 | { |
| 1651 | int hash = Hash(seed, xPrimed, yPrimed, zPrimed); |
| 1652 | int idx = hash & (255 << 2); |
| 1653 | |
| 1654 | float vecX = (float)(xi - x) + Lookup<float>::RandVecs3D[idx] * cellularJitter; |
| 1655 | float vecY = (float)(yi - y) + Lookup<float>::RandVecs3D[idx | 1] * cellularJitter; |
| 1656 | float vecZ = (float)(zi - z) + Lookup<float>::RandVecs3D[idx | 2] * cellularJitter; |
| 1657 | |
| 1658 | float newDistance = vecX * vecX + vecY * vecY + vecZ * vecZ; |
| 1659 | |
| 1660 | distance1 = FastMax(FastMin(distance1, newDistance), distance0); |
| 1661 | if (newDistance < distance0) |
| 1662 | { |
| 1663 | distance0 = newDistance; |
| 1664 | closestHash = hash; |
| 1665 | } |
| 1666 | zPrimed += PrimeZ; |
| 1667 | } |
| 1668 | yPrimed += PrimeY; |
| 1669 | } |
| 1670 | xPrimed += PrimeX; |
| 1671 | } |
| 1672 | break; |
| 1673 | case CellularDistanceFunction_Manhattan: |
| 1674 | for (int xi = xr - 1; xi <= xr + 1; xi++) |
| 1675 | { |
| 1676 | int yPrimed = yPrimedBase; |
| 1677 | |
| 1678 | for (int yi = yr - 1; yi <= yr + 1; yi++) |
| 1679 | { |
| 1680 | int zPrimed = zPrimedBase; |
| 1681 | |
| 1682 | for (int zi = zr - 1; zi <= zr + 1; zi++) |
| 1683 | { |
| 1684 | int hash = Hash(seed, xPrimed, yPrimed, zPrimed); |
| 1685 | int idx = hash & (255 << 2); |
| 1686 | |
| 1687 | float vecX = (float)(xi - x) + Lookup<float>::RandVecs3D[idx] * cellularJitter; |
| 1688 | float vecY = (float)(yi - y) + Lookup<float>::RandVecs3D[idx | 1] * cellularJitter; |
| 1689 | float vecZ = (float)(zi - z) + Lookup<float>::RandVecs3D[idx | 2] * cellularJitter; |
| 1690 | |
| 1691 | float newDistance = FastAbs(vecX) + FastAbs(vecY) + FastAbs(vecZ); |
| 1692 | |
| 1693 | distance1 = FastMax(FastMin(distance1, newDistance), distance0); |
| 1694 | if (newDistance < distance0) |
| 1695 | { |
| 1696 | distance0 = newDistance; |
| 1697 | closestHash = hash; |
| 1698 | } |
| 1699 | zPrimed += PrimeZ; |
| 1700 | } |
| 1701 | yPrimed += PrimeY; |
| 1702 | } |
| 1703 | xPrimed += PrimeX; |
| 1704 | } |
| 1705 | break; |
| 1706 | case CellularDistanceFunction_Hybrid: |
| 1707 | for (int xi = xr - 1; xi <= xr + 1; xi++) |
| 1708 | { |
| 1709 | int yPrimed = yPrimedBase; |
| 1710 | |
| 1711 | for (int yi = yr - 1; yi <= yr + 1; yi++) |
| 1712 | { |
| 1713 | int zPrimed = zPrimedBase; |
| 1714 | |
| 1715 | for (int zi = zr - 1; zi <= zr + 1; zi++) |
| 1716 | { |
| 1717 | int hash = Hash(seed, xPrimed, yPrimed, zPrimed); |
| 1718 | int idx = hash & (255 << 2); |
| 1719 | |
| 1720 | float vecX = (float)(xi - x) + Lookup<float>::RandVecs3D[idx] * cellularJitter; |
| 1721 | float vecY = (float)(yi - y) + Lookup<float>::RandVecs3D[idx | 1] * cellularJitter; |
| 1722 | float vecZ = (float)(zi - z) + Lookup<float>::RandVecs3D[idx | 2] * cellularJitter; |
| 1723 | |
| 1724 | float newDistance = (FastAbs(vecX) + FastAbs(vecY) + FastAbs(vecZ)) + (vecX * vecX + vecY * vecY + vecZ * vecZ); |
| 1725 | |
| 1726 | distance1 = FastMax(FastMin(distance1, newDistance), distance0); |
| 1727 | if (newDistance < distance0) |
| 1728 | { |
| 1729 | distance0 = newDistance; |
| 1730 | closestHash = hash; |
| 1731 | } |
| 1732 | zPrimed += PrimeZ; |
| 1733 | } |
| 1734 | yPrimed += PrimeY; |
| 1735 | } |
| 1736 | xPrimed += PrimeX; |
| 1737 | } |
| 1738 | break; |
| 1739 | default: |
| 1740 | break; |
| 1741 | } |
| 1742 | |
| 1743 | if (mCellularDistanceFunction == CellularDistanceFunction_Euclidean && mCellularReturnType >= CellularReturnType_Distance) |
| 1744 | { |
| 1745 | distance0 = FastSqrt(distance0); |
| 1746 | |
| 1747 | if (mCellularReturnType >= CellularReturnType_Distance2) |
| 1748 | { |
| 1749 | distance1 = FastSqrt(distance1); |
| 1750 | } |
| 1751 | } |
| 1752 | |
| 1753 | switch (mCellularReturnType) |
| 1754 | { |
| 1755 | case CellularReturnType_CellValue: |
| 1756 | return closestHash * (1 / 2147483648.0f); |
| 1757 | case CellularReturnType_Distance: |
| 1758 | return distance0 - 1; |
| 1759 | case CellularReturnType_Distance2: |
| 1760 | return distance1 - 1; |
| 1761 | case CellularReturnType_Distance2Add: |
| 1762 | return (distance1 + distance0) * 0.5f - 1; |
| 1763 | case CellularReturnType_Distance2Sub: |
| 1764 | return distance1 - distance0 - 1; |
| 1765 | case CellularReturnType_Distance2Mul: |
| 1766 | return distance1 * distance0 * 0.5f - 1; |
| 1767 | case CellularReturnType_Distance2Div: |
| 1768 | return distance0 / distance1 - 1; |
| 1769 | default: |
| 1770 | return 0; |
| 1771 | } |
| 1772 | } |
| 1773 | |
| 1774 | #if defined(__GNUC__) && !defined(__clang__) |
| 1775 | #pragma GCC diagnostic pop |
| 1776 | #endif |
| 1777 | |
| 1778 | // Perlin Noise |
| 1779 | |
| 1780 | template <typename FNfloat> |
| 1781 | float SinglePerlin(int seed, FNfloat x, FNfloat y) const |
| 1782 | { |
| 1783 | int x0 = FastFloor(x); |
| 1784 | int y0 = FastFloor(y); |
| 1785 | |
| 1786 | float xd0 = (float)(x - x0); |
| 1787 | float yd0 = (float)(y - y0); |
| 1788 | float xd1 = xd0 - 1; |
| 1789 | float yd1 = yd0 - 1; |
| 1790 | |
| 1791 | float xs = InterpQuintic(xd0); |
| 1792 | float ys = InterpQuintic(yd0); |
| 1793 | |
| 1794 | x0 *= PrimeX; |
| 1795 | y0 *= PrimeY; |
| 1796 | int x1 = x0 + PrimeX; |
| 1797 | int y1 = y0 + PrimeY; |
| 1798 | |
| 1799 | float xf0 = Lerp(GradCoord(seed, x0, y0, xd0, yd0), GradCoord(seed, x1, y0, xd1, yd0), xs); |
| 1800 | float xf1 = Lerp(GradCoord(seed, x0, y1, xd0, yd1), GradCoord(seed, x1, y1, xd1, yd1), xs); |
| 1801 | |
| 1802 | return Lerp(xf0, xf1, ys) * 1.4247691104677813f; |
| 1803 | } |
| 1804 | |
| 1805 | template <typename FNfloat> |
| 1806 | float SinglePerlin(int seed, FNfloat x, FNfloat y, FNfloat z) const |
| 1807 | { |
| 1808 | int x0 = FastFloor(x); |
| 1809 | int y0 = FastFloor(y); |
| 1810 | int z0 = FastFloor(z); |
| 1811 | |
| 1812 | float xd0 = (float)(x - x0); |
| 1813 | float yd0 = (float)(y - y0); |
| 1814 | float zd0 = (float)(z - z0); |
| 1815 | float xd1 = xd0 - 1; |
| 1816 | float yd1 = yd0 - 1; |
| 1817 | float zd1 = zd0 - 1; |
| 1818 | |
| 1819 | float xs = InterpQuintic(xd0); |
| 1820 | float ys = InterpQuintic(yd0); |
| 1821 | float zs = InterpQuintic(zd0); |
| 1822 | |
| 1823 | x0 *= PrimeX; |
| 1824 | y0 *= PrimeY; |
| 1825 | z0 *= PrimeZ; |
| 1826 | int x1 = x0 + PrimeX; |
| 1827 | int y1 = y0 + PrimeY; |
| 1828 | int z1 = z0 + PrimeZ; |
| 1829 | |
| 1830 | float xf00 = Lerp(GradCoord(seed, x0, y0, z0, xd0, yd0, zd0), GradCoord(seed, x1, y0, z0, xd1, yd0, zd0), xs); |
| 1831 | float xf10 = Lerp(GradCoord(seed, x0, y1, z0, xd0, yd1, zd0), GradCoord(seed, x1, y1, z0, xd1, yd1, zd0), xs); |
| 1832 | float xf01 = Lerp(GradCoord(seed, x0, y0, z1, xd0, yd0, zd1), GradCoord(seed, x1, y0, z1, xd1, yd0, zd1), xs); |
| 1833 | float xf11 = Lerp(GradCoord(seed, x0, y1, z1, xd0, yd1, zd1), GradCoord(seed, x1, y1, z1, xd1, yd1, zd1), xs); |
| 1834 | |
| 1835 | float yf0 = Lerp(xf00, xf10, ys); |
| 1836 | float yf1 = Lerp(xf01, xf11, ys); |
| 1837 | |
| 1838 | return Lerp(yf0, yf1, zs) * 0.964921414852142333984375f; |
| 1839 | } |
| 1840 | |
| 1841 | |
| 1842 | // Value Cubic Noise |
| 1843 | |
| 1844 | template <typename FNfloat> |
| 1845 | float SingleValueCubic(int seed, FNfloat x, FNfloat y) const |
| 1846 | { |
| 1847 | int x1 = FastFloor(x); |
| 1848 | int y1 = FastFloor(y); |
| 1849 | |
| 1850 | float xs = (float)(x - x1); |
| 1851 | float ys = (float)(y - y1); |
| 1852 | |
| 1853 | x1 *= PrimeX; |
| 1854 | y1 *= PrimeY; |
| 1855 | int x0 = x1 - PrimeX; |
| 1856 | int y0 = y1 - PrimeY; |
| 1857 | int x2 = x1 + PrimeX; |
| 1858 | int y2 = y1 + PrimeY; |
| 1859 | int x3 = x1 + (int)((long)PrimeX << 1); |
| 1860 | int y3 = y1 + (int)((long)PrimeY << 1); |
| 1861 | |
| 1862 | return CubicLerp( |
| 1863 | CubicLerp(ValCoord(seed, x0, y0), ValCoord(seed, x1, y0), ValCoord(seed, x2, y0), ValCoord(seed, x3, y0), |
| 1864 | xs), |
| 1865 | CubicLerp(ValCoord(seed, x0, y1), ValCoord(seed, x1, y1), ValCoord(seed, x2, y1), ValCoord(seed, x3, y1), |
| 1866 | xs), |
| 1867 | CubicLerp(ValCoord(seed, x0, y2), ValCoord(seed, x1, y2), ValCoord(seed, x2, y2), ValCoord(seed, x3, y2), |
| 1868 | xs), |
| 1869 | CubicLerp(ValCoord(seed, x0, y3), ValCoord(seed, x1, y3), ValCoord(seed, x2, y3), ValCoord(seed, x3, y3), |
| 1870 | xs), |
| 1871 | ys) * (1 / (1.5f * 1.5f)); |
| 1872 | } |
| 1873 | |
| 1874 | template <typename FNfloat> |
| 1875 | float SingleValueCubic(int seed, FNfloat x, FNfloat y, FNfloat z) const |
| 1876 | { |
| 1877 | int x1 = FastFloor(x); |
| 1878 | int y1 = FastFloor(y); |
| 1879 | int z1 = FastFloor(z); |
| 1880 | |
| 1881 | float xs = (float)(x - x1); |
| 1882 | float ys = (float)(y - y1); |
| 1883 | float zs = (float)(z - z1); |
| 1884 | |
| 1885 | x1 *= PrimeX; |
| 1886 | y1 *= PrimeY; |
| 1887 | z1 *= PrimeZ; |
| 1888 | |
| 1889 | int x0 = x1 - PrimeX; |
| 1890 | int y0 = y1 - PrimeY; |
| 1891 | int z0 = z1 - PrimeZ; |
| 1892 | int x2 = x1 + PrimeX; |
| 1893 | int y2 = y1 + PrimeY; |
| 1894 | int z2 = z1 + PrimeZ; |
| 1895 | int x3 = x1 + (int)((long)PrimeX << 1); |
| 1896 | int y3 = y1 + (int)((long)PrimeY << 1); |
| 1897 | int z3 = z1 + (int)((long)PrimeZ << 1); |
| 1898 | |
| 1899 | |
| 1900 | return CubicLerp( |
| 1901 | CubicLerp( |
| 1902 | CubicLerp(ValCoord(seed, x0, y0, z0), ValCoord(seed, x1, y0, z0), ValCoord(seed, x2, y0, z0), ValCoord(seed, x3, y0, z0), xs), |
| 1903 | CubicLerp(ValCoord(seed, x0, y1, z0), ValCoord(seed, x1, y1, z0), ValCoord(seed, x2, y1, z0), ValCoord(seed, x3, y1, z0), xs), |
| 1904 | CubicLerp(ValCoord(seed, x0, y2, z0), ValCoord(seed, x1, y2, z0), ValCoord(seed, x2, y2, z0), ValCoord(seed, x3, y2, z0), xs), |
| 1905 | CubicLerp(ValCoord(seed, x0, y3, z0), ValCoord(seed, x1, y3, z0), ValCoord(seed, x2, y3, z0), ValCoord(seed, x3, y3, z0), xs), |
| 1906 | ys), |
| 1907 | CubicLerp( |
| 1908 | CubicLerp(ValCoord(seed, x0, y0, z1), ValCoord(seed, x1, y0, z1), ValCoord(seed, x2, y0, z1), ValCoord(seed, x3, y0, z1), xs), |
| 1909 | CubicLerp(ValCoord(seed, x0, y1, z1), ValCoord(seed, x1, y1, z1), ValCoord(seed, x2, y1, z1), ValCoord(seed, x3, y1, z1), xs), |
| 1910 | CubicLerp(ValCoord(seed, x0, y2, z1), ValCoord(seed, x1, y2, z1), ValCoord(seed, x2, y2, z1), ValCoord(seed, x3, y2, z1), xs), |
| 1911 | CubicLerp(ValCoord(seed, x0, y3, z1), ValCoord(seed, x1, y3, z1), ValCoord(seed, x2, y3, z1), ValCoord(seed, x3, y3, z1), xs), |
| 1912 | ys), |
| 1913 | CubicLerp( |
| 1914 | CubicLerp(ValCoord(seed, x0, y0, z2), ValCoord(seed, x1, y0, z2), ValCoord(seed, x2, y0, z2), ValCoord(seed, x3, y0, z2), xs), |
| 1915 | CubicLerp(ValCoord(seed, x0, y1, z2), ValCoord(seed, x1, y1, z2), ValCoord(seed, x2, y1, z2), ValCoord(seed, x3, y1, z2), xs), |
| 1916 | CubicLerp(ValCoord(seed, x0, y2, z2), ValCoord(seed, x1, y2, z2), ValCoord(seed, x2, y2, z2), ValCoord(seed, x3, y2, z2), xs), |
| 1917 | CubicLerp(ValCoord(seed, x0, y3, z2), ValCoord(seed, x1, y3, z2), ValCoord(seed, x2, y3, z2), ValCoord(seed, x3, y3, z2), xs), |
| 1918 | ys), |
| 1919 | CubicLerp( |
| 1920 | CubicLerp(ValCoord(seed, x0, y0, z3), ValCoord(seed, x1, y0, z3), ValCoord(seed, x2, y0, z3), ValCoord(seed, x3, y0, z3), xs), |
| 1921 | CubicLerp(ValCoord(seed, x0, y1, z3), ValCoord(seed, x1, y1, z3), ValCoord(seed, x2, y1, z3), ValCoord(seed, x3, y1, z3), xs), |
| 1922 | CubicLerp(ValCoord(seed, x0, y2, z3), ValCoord(seed, x1, y2, z3), ValCoord(seed, x2, y2, z3), ValCoord(seed, x3, y2, z3), xs), |
| 1923 | CubicLerp(ValCoord(seed, x0, y3, z3), ValCoord(seed, x1, y3, z3), ValCoord(seed, x2, y3, z3), ValCoord(seed, x3, y3, z3), xs), |
| 1924 | ys), |
| 1925 | zs) * (1 / (1.5f * 1.5f * 1.5f)); |
| 1926 | } |
| 1927 | |
| 1928 | |
| 1929 | // Value Noise |
| 1930 | |
| 1931 | template <typename FNfloat> |
| 1932 | float SingleValue(int seed, FNfloat x, FNfloat y) const |
| 1933 | { |
| 1934 | int x0 = FastFloor(x); |
| 1935 | int y0 = FastFloor(y); |
| 1936 | |
| 1937 | float xs = InterpHermite((float)(x - x0)); |
| 1938 | float ys = InterpHermite((float)(y - y0)); |
| 1939 | |
| 1940 | x0 *= PrimeX; |
| 1941 | y0 *= PrimeY; |
| 1942 | int x1 = x0 + PrimeX; |
| 1943 | int y1 = y0 + PrimeY; |
| 1944 | |
| 1945 | float xf0 = Lerp(ValCoord(seed, x0, y0), ValCoord(seed, x1, y0), xs); |
| 1946 | float xf1 = Lerp(ValCoord(seed, x0, y1), ValCoord(seed, x1, y1), xs); |
| 1947 | |
| 1948 | return Lerp(xf0, xf1, ys); |
| 1949 | } |
| 1950 | |
| 1951 | template <typename FNfloat> |
| 1952 | float SingleValue(int seed, FNfloat x, FNfloat y, FNfloat z) const |
| 1953 | { |
| 1954 | int x0 = FastFloor(x); |
| 1955 | int y0 = FastFloor(y); |
| 1956 | int z0 = FastFloor(z); |
| 1957 | |
| 1958 | float xs = InterpHermite((float)(x - x0)); |
| 1959 | float ys = InterpHermite((float)(y - y0)); |
| 1960 | float zs = InterpHermite((float)(z - z0)); |
| 1961 | |
| 1962 | x0 *= PrimeX; |
| 1963 | y0 *= PrimeY; |
| 1964 | z0 *= PrimeZ; |
| 1965 | int x1 = x0 + PrimeX; |
| 1966 | int y1 = y0 + PrimeY; |
| 1967 | int z1 = z0 + PrimeZ; |
| 1968 | |
| 1969 | float xf00 = Lerp(ValCoord(seed, x0, y0, z0), ValCoord(seed, x1, y0, z0), xs); |
| 1970 | float xf10 = Lerp(ValCoord(seed, x0, y1, z0), ValCoord(seed, x1, y1, z0), xs); |
| 1971 | float xf01 = Lerp(ValCoord(seed, x0, y0, z1), ValCoord(seed, x1, y0, z1), xs); |
| 1972 | float xf11 = Lerp(ValCoord(seed, x0, y1, z1), ValCoord(seed, x1, y1, z1), xs); |
| 1973 | |
| 1974 | float yf0 = Lerp(xf00, xf10, ys); |
| 1975 | float yf1 = Lerp(xf01, xf11, ys); |
| 1976 | |
| 1977 | return Lerp(yf0, yf1, zs); |
| 1978 | } |
| 1979 | |
| 1980 | |
| 1981 | // Domain Warp |
| 1982 | |
| 1983 | template <typename FNfloat> |
| 1984 | void DoSingleDomainWarp(int seed, float amp, float freq, FNfloat x, FNfloat y, FNfloat& xr, FNfloat& yr) const |
| 1985 | { |
| 1986 | switch (mDomainWarpType) |
| 1987 | { |
| 1988 | case DomainWarpType_OpenSimplex2: |
| 1989 | SingleDomainWarpSimplexGradient(seed, amp * 38.283687591552734375f, freq, x, y, xr, yr, false); |
| 1990 | break; |
| 1991 | case DomainWarpType_OpenSimplex2Reduced: |
| 1992 | SingleDomainWarpSimplexGradient(seed, amp * 16.0f, freq, x, y, xr, yr, true); |
| 1993 | break; |
| 1994 | case DomainWarpType_BasicGrid: |
| 1995 | SingleDomainWarpBasicGrid(seed, amp, freq, x, y, xr, yr); |
| 1996 | break; |
| 1997 | } |
| 1998 | } |
| 1999 | |
| 2000 | template <typename FNfloat> |
| 2001 | void DoSingleDomainWarp(int seed, float amp, float freq, FNfloat x, FNfloat y, FNfloat z, FNfloat& xr, FNfloat& yr, FNfloat& zr) const |
| 2002 | { |
| 2003 | switch (mDomainWarpType) |
| 2004 | { |
| 2005 | case DomainWarpType_OpenSimplex2: |
| 2006 | SingleDomainWarpOpenSimplex2Gradient(seed, amp * 32.69428253173828125f, freq, x, y, z, xr, yr, zr, false); |
| 2007 | break; |
| 2008 | case DomainWarpType_OpenSimplex2Reduced: |
| 2009 | SingleDomainWarpOpenSimplex2Gradient(seed, amp * 7.71604938271605f, freq, x, y, z, xr, yr, zr, true); |
| 2010 | break; |
| 2011 | case DomainWarpType_BasicGrid: |
| 2012 | SingleDomainWarpBasicGrid(seed, amp, freq, x, y, z, xr, yr, zr); |
| 2013 | break; |
| 2014 | } |
| 2015 | } |
| 2016 | |
| 2017 | |
| 2018 | // Domain Warp Single Wrapper |
| 2019 | |
| 2020 | template <typename FNfloat> |
| 2021 | void DomainWarpSingle(FNfloat& x, FNfloat& y) const |
| 2022 | { |
| 2023 | int seed = mSeed; |
| 2024 | float amp = mDomainWarpAmp * mFractalBounding; |
| 2025 | float freq = mFrequency; |
| 2026 | |
| 2027 | FNfloat xs = x; |
| 2028 | FNfloat ys = y; |
| 2029 | TransformDomainWarpCoordinate(xs, ys); |
| 2030 | |
| 2031 | DoSingleDomainWarp(seed, amp, freq, xs, ys, x, y); |
| 2032 | } |
| 2033 | |
| 2034 | template <typename FNfloat> |
| 2035 | void DomainWarpSingle(FNfloat& x, FNfloat& y, FNfloat& z) const |
| 2036 | { |
| 2037 | int seed = mSeed; |
| 2038 | float amp = mDomainWarpAmp * mFractalBounding; |
| 2039 | float freq = mFrequency; |
| 2040 | |
| 2041 | FNfloat xs = x; |
| 2042 | FNfloat ys = y; |
| 2043 | FNfloat zs = z; |
| 2044 | TransformDomainWarpCoordinate(xs, ys, zs); |
| 2045 | |
| 2046 | DoSingleDomainWarp(seed, amp, freq, xs, ys, zs, x, y, z); |
| 2047 | } |
| 2048 | |
| 2049 | |
| 2050 | // Domain Warp Fractal Progressive |
| 2051 | |
| 2052 | template <typename FNfloat> |
| 2053 | void DomainWarpFractalProgressive(FNfloat& x, FNfloat& y) const |
| 2054 | { |
| 2055 | int seed = mSeed; |
| 2056 | float amp = mDomainWarpAmp * mFractalBounding; |
| 2057 | float freq = mFrequency; |
| 2058 | |
| 2059 | for (int i = 0; i < mOctaves; i++) |
| 2060 | { |
| 2061 | FNfloat xs = x; |
| 2062 | FNfloat ys = y; |
| 2063 | TransformDomainWarpCoordinate(xs, ys); |
| 2064 | |
| 2065 | DoSingleDomainWarp(seed, amp, freq, xs, ys, x, y); |
| 2066 | |
| 2067 | seed++; |
| 2068 | amp *= mGain; |
| 2069 | freq *= mLacunarity; |
| 2070 | } |
| 2071 | } |
| 2072 | |
| 2073 | template <typename FNfloat> |
| 2074 | void DomainWarpFractalProgressive(FNfloat& x, FNfloat& y, FNfloat& z) const |
| 2075 | { |
| 2076 | int seed = mSeed; |
| 2077 | float amp = mDomainWarpAmp * mFractalBounding; |
| 2078 | float freq = mFrequency; |
| 2079 | |
| 2080 | for (int i = 0; i < mOctaves; i++) |
| 2081 | { |
| 2082 | FNfloat xs = x; |
| 2083 | FNfloat ys = y; |
| 2084 | FNfloat zs = z; |
| 2085 | TransformDomainWarpCoordinate(xs, ys, zs); |
| 2086 | |
| 2087 | DoSingleDomainWarp(seed, amp, freq, xs, ys, zs, x, y, z); |
| 2088 | |
| 2089 | seed++; |
| 2090 | amp *= mGain; |
| 2091 | freq *= mLacunarity; |
| 2092 | } |
| 2093 | } |
| 2094 | |
| 2095 | |
| 2096 | // Domain Warp Fractal Independant |
| 2097 | |
| 2098 | template <typename FNfloat> |
| 2099 | void DomainWarpFractalIndependent(FNfloat& x, FNfloat& y) const |
| 2100 | { |
| 2101 | FNfloat xs = x; |
| 2102 | FNfloat ys = y; |
| 2103 | TransformDomainWarpCoordinate(xs, ys); |
| 2104 | |
| 2105 | int seed = mSeed; |
| 2106 | float amp = mDomainWarpAmp * mFractalBounding; |
| 2107 | float freq = mFrequency; |
| 2108 | |
| 2109 | for (int i = 0; i < mOctaves; i++) |
| 2110 | { |
| 2111 | DoSingleDomainWarp(seed, amp, freq, xs, ys, x, y); |
| 2112 | |
| 2113 | seed++; |
| 2114 | amp *= mGain; |
| 2115 | freq *= mLacunarity; |
| 2116 | } |
| 2117 | } |
| 2118 | |
| 2119 | template <typename FNfloat> |
| 2120 | void DomainWarpFractalIndependent(FNfloat& x, FNfloat& y, FNfloat& z) const |
| 2121 | { |
| 2122 | FNfloat xs = x; |
| 2123 | FNfloat ys = y; |
| 2124 | FNfloat zs = z; |
| 2125 | TransformDomainWarpCoordinate(xs, ys, zs); |
| 2126 | |
| 2127 | int seed = mSeed; |
| 2128 | float amp = mDomainWarpAmp * mFractalBounding; |
| 2129 | float freq = mFrequency; |
| 2130 | |
| 2131 | for (int i = 0; i < mOctaves; i++) |
| 2132 | { |
| 2133 | DoSingleDomainWarp(seed, amp, freq, xs, ys, zs, x, y, z); |
| 2134 | |
| 2135 | seed++; |
| 2136 | amp *= mGain; |
| 2137 | freq *= mLacunarity; |
| 2138 | } |
| 2139 | } |
| 2140 | |
| 2141 | |
| 2142 | // Domain Warp Basic Grid |
| 2143 | |
| 2144 | template <typename FNfloat> |
| 2145 | void SingleDomainWarpBasicGrid(int seed, float warpAmp, float frequency, FNfloat x, FNfloat y, FNfloat& xr, FNfloat& yr) const |
| 2146 | { |
| 2147 | FNfloat xf = x * frequency; |
| 2148 | FNfloat yf = y * frequency; |
| 2149 | |
| 2150 | int x0 = FastFloor(xf); |
| 2151 | int y0 = FastFloor(yf); |
| 2152 | |
| 2153 | float xs = InterpHermite((float)(xf - x0)); |
| 2154 | float ys = InterpHermite((float)(yf - y0)); |
| 2155 | |
| 2156 | x0 *= PrimeX; |
| 2157 | y0 *= PrimeY; |
| 2158 | int x1 = x0 + PrimeX; |
| 2159 | int y1 = y0 + PrimeY; |
| 2160 | |
| 2161 | int hash0 = Hash(seed, x0, y0) & (255 << 1); |
| 2162 | int hash1 = Hash(seed, x1, y0) & (255 << 1); |
| 2163 | |
| 2164 | float lx0x = Lerp(Lookup<float>::RandVecs2D[hash0], Lookup<float>::RandVecs2D[hash1], xs); |
| 2165 | float ly0x = Lerp(Lookup<float>::RandVecs2D[hash0 | 1], Lookup<float>::RandVecs2D[hash1 | 1], xs); |
| 2166 | |
| 2167 | hash0 = Hash(seed, x0, y1) & (255 << 1); |
| 2168 | hash1 = Hash(seed, x1, y1) & (255 << 1); |
| 2169 | |
| 2170 | float lx1x = Lerp(Lookup<float>::RandVecs2D[hash0], Lookup<float>::RandVecs2D[hash1], xs); |
| 2171 | float ly1x = Lerp(Lookup<float>::RandVecs2D[hash0 | 1], Lookup<float>::RandVecs2D[hash1 | 1], xs); |
| 2172 | |
| 2173 | xr += Lerp(lx0x, lx1x, ys) * warpAmp; |
| 2174 | yr += Lerp(ly0x, ly1x, ys) * warpAmp; |
| 2175 | } |
| 2176 | |
| 2177 | template <typename FNfloat> |
| 2178 | void SingleDomainWarpBasicGrid(int seed, float warpAmp, float frequency, FNfloat x, FNfloat y, FNfloat z, FNfloat& xr, FNfloat& yr, FNfloat& zr) const |
| 2179 | { |
| 2180 | FNfloat xf = x * frequency; |
| 2181 | FNfloat yf = y * frequency; |
| 2182 | FNfloat zf = z * frequency; |
| 2183 | |
| 2184 | int x0 = FastFloor(xf); |
| 2185 | int y0 = FastFloor(yf); |
| 2186 | int z0 = FastFloor(zf); |
| 2187 | |
| 2188 | float xs = InterpHermite((float)(xf - x0)); |
| 2189 | float ys = InterpHermite((float)(yf - y0)); |
| 2190 | float zs = InterpHermite((float)(zf - z0)); |
| 2191 | |
| 2192 | x0 *= PrimeX; |
| 2193 | y0 *= PrimeY; |
| 2194 | z0 *= PrimeZ; |
| 2195 | int x1 = x0 + PrimeX; |
| 2196 | int y1 = y0 + PrimeY; |
| 2197 | int z1 = z0 + PrimeZ; |
| 2198 | |
| 2199 | int hash0 = Hash(seed, x0, y0, z0) & (255 << 2); |
| 2200 | int hash1 = Hash(seed, x1, y0, z0) & (255 << 2); |
| 2201 | |
| 2202 | float lx0x = Lerp(Lookup<float>::RandVecs3D[hash0], Lookup<float>::RandVecs3D[hash1], xs); |
| 2203 | float ly0x = Lerp(Lookup<float>::RandVecs3D[hash0 | 1], Lookup<float>::RandVecs3D[hash1 | 1], xs); |
| 2204 | float lz0x = Lerp(Lookup<float>::RandVecs3D[hash0 | 2], Lookup<float>::RandVecs3D[hash1 | 2], xs); |
| 2205 | |
| 2206 | hash0 = Hash(seed, x0, y1, z0) & (255 << 2); |
| 2207 | hash1 = Hash(seed, x1, y1, z0) & (255 << 2); |
| 2208 | |
| 2209 | float lx1x = Lerp(Lookup<float>::RandVecs3D[hash0], Lookup<float>::RandVecs3D[hash1], xs); |
| 2210 | float ly1x = Lerp(Lookup<float>::RandVecs3D[hash0 | 1], Lookup<float>::RandVecs3D[hash1 | 1], xs); |
| 2211 | float lz1x = Lerp(Lookup<float>::RandVecs3D[hash0 | 2], Lookup<float>::RandVecs3D[hash1 | 2], xs); |
| 2212 | |
| 2213 | float lx0y = Lerp(lx0x, lx1x, ys); |
| 2214 | float ly0y = Lerp(ly0x, ly1x, ys); |
| 2215 | float lz0y = Lerp(lz0x, lz1x, ys); |
| 2216 | |
| 2217 | hash0 = Hash(seed, x0, y0, z1) & (255 << 2); |
| 2218 | hash1 = Hash(seed, x1, y0, z1) & (255 << 2); |
| 2219 | |
| 2220 | lx0x = Lerp(Lookup<float>::RandVecs3D[hash0], Lookup<float>::RandVecs3D[hash1], xs); |
| 2221 | ly0x = Lerp(Lookup<float>::RandVecs3D[hash0 | 1], Lookup<float>::RandVecs3D[hash1 | 1], xs); |
| 2222 | lz0x = Lerp(Lookup<float>::RandVecs3D[hash0 | 2], Lookup<float>::RandVecs3D[hash1 | 2], xs); |
| 2223 | |
| 2224 | hash0 = Hash(seed, x0, y1, z1) & (255 << 2); |
| 2225 | hash1 = Hash(seed, x1, y1, z1) & (255 << 2); |
| 2226 | |
| 2227 | lx1x = Lerp(Lookup<float>::RandVecs3D[hash0], Lookup<float>::RandVecs3D[hash1], xs); |
| 2228 | ly1x = Lerp(Lookup<float>::RandVecs3D[hash0 | 1], Lookup<float>::RandVecs3D[hash1 | 1], xs); |
| 2229 | lz1x = Lerp(Lookup<float>::RandVecs3D[hash0 | 2], Lookup<float>::RandVecs3D[hash1 | 2], xs); |
| 2230 | |
| 2231 | xr += Lerp(lx0y, Lerp(lx0x, lx1x, ys), zs) * warpAmp; |
| 2232 | yr += Lerp(ly0y, Lerp(ly0x, ly1x, ys), zs) * warpAmp; |
| 2233 | zr += Lerp(lz0y, Lerp(lz0x, lz1x, ys), zs) * warpAmp; |
| 2234 | } |
| 2235 | |
| 2236 | |
| 2237 | // Domain Warp Simplex/OpenSimplex2 |
| 2238 | |
| 2239 | template <typename FNfloat> |
| 2240 | void SingleDomainWarpSimplexGradient(int seed, float warpAmp, float frequency, FNfloat x, FNfloat y, FNfloat& xr, FNfloat& yr, bool outGradOnly) const |
| 2241 | { |
| 2242 | const float SQRT3 = 1.7320508075688772935274463415059f; |
| 2243 | const float G2 = (3 - SQRT3) / 6; |
| 2244 | |
| 2245 | x *= frequency; |
| 2246 | y *= frequency; |
| 2247 | |
| 2248 | /* |
| 2249 | * --- Skew moved to TransformNoiseCoordinate method --- |
| 2250 | * const FNfloat F2 = 0.5f * (SQRT3 - 1); |
| 2251 | * FNfloat s = (x + y) * F2; |
| 2252 | * x += s; y += s; |
| 2253 | */ |
| 2254 | |
| 2255 | int i = FastFloor(x); |
| 2256 | int j = FastFloor(y); |
| 2257 | float xi = (float)(x - i); |
| 2258 | float yi = (float)(y - j); |
| 2259 | |
| 2260 | float t = (xi + yi) * G2; |
| 2261 | float x0 = (float)(xi - t); |
| 2262 | float y0 = (float)(yi - t); |
| 2263 | |
| 2264 | i *= PrimeX; |
| 2265 | j *= PrimeY; |
| 2266 | |
| 2267 | float vx, vy; |
| 2268 | vx = vy = 0; |
| 2269 | |
| 2270 | float a = 0.5f - x0 * x0 - y0 * y0; |
| 2271 | if (a > 0) |
| 2272 | { |
| 2273 | float aaaa = (a * a) * (a * a); |
| 2274 | float xo, yo; |
| 2275 | if (outGradOnly) |
| 2276 | GradCoordOut(seed, i, j, xo, yo); |
| 2277 | else |
| 2278 | GradCoordDual(seed, i, j, x0, y0, xo, yo); |
| 2279 | vx += aaaa * xo; |
| 2280 | vy += aaaa * yo; |
| 2281 | } |
| 2282 | |
| 2283 | float c = (float)(2 * (1 - 2 * G2) * (1 / G2 - 2)) * t + ((float)(-2 * (1 - 2 * G2) * (1 - 2 * G2)) + a); |
| 2284 | if (c > 0) |
| 2285 | { |
| 2286 | float x2 = x0 + (2 * (float)G2 - 1); |
| 2287 | float y2 = y0 + (2 * (float)G2 - 1); |
| 2288 | float cccc = (c * c) * (c * c); |
| 2289 | float xo, yo; |
| 2290 | if (outGradOnly) |
| 2291 | GradCoordOut(seed, i + PrimeX, j + PrimeY, xo, yo); |
| 2292 | else |
| 2293 | GradCoordDual(seed, i + PrimeX, j + PrimeY, x2, y2, xo, yo); |
| 2294 | vx += cccc * xo; |
| 2295 | vy += cccc * yo; |
| 2296 | } |
| 2297 | |
| 2298 | if (y0 > x0) |
| 2299 | { |
| 2300 | float x1 = x0 + (float)G2; |
| 2301 | float y1 = y0 + ((float)G2 - 1); |
| 2302 | float b = 0.5f - x1 * x1 - y1 * y1; |
| 2303 | if (b > 0) |
| 2304 | { |
| 2305 | float bbbb = (b * b) * (b * b); |
| 2306 | float xo, yo; |
| 2307 | if (outGradOnly) |
| 2308 | GradCoordOut(seed, i, j + PrimeY, xo, yo); |
| 2309 | else |
| 2310 | GradCoordDual(seed, i, j + PrimeY, x1, y1, xo, yo); |
| 2311 | vx += bbbb * xo; |
| 2312 | vy += bbbb * yo; |
| 2313 | } |
| 2314 | } |
| 2315 | else |
| 2316 | { |
| 2317 | float x1 = x0 + ((float)G2 - 1); |
| 2318 | float y1 = y0 + (float)G2; |
| 2319 | float b = 0.5f - x1 * x1 - y1 * y1; |
| 2320 | if (b > 0) |
| 2321 | { |
| 2322 | float bbbb = (b * b) * (b * b); |
| 2323 | float xo, yo; |
| 2324 | if (outGradOnly) |
| 2325 | GradCoordOut(seed, i + PrimeX, j, xo, yo); |
| 2326 | else |
| 2327 | GradCoordDual(seed, i + PrimeX, j, x1, y1, xo, yo); |
| 2328 | vx += bbbb * xo; |
| 2329 | vy += bbbb * yo; |
| 2330 | } |
| 2331 | } |
| 2332 | |
| 2333 | xr += vx * warpAmp; |
| 2334 | yr += vy * warpAmp; |
| 2335 | } |
| 2336 | |
| 2337 | template <typename FNfloat> |
| 2338 | void SingleDomainWarpOpenSimplex2Gradient(int seed, float warpAmp, float frequency, FNfloat x, FNfloat y, FNfloat z, FNfloat& xr, FNfloat& yr, FNfloat& zr, bool outGradOnly) const |
| 2339 | { |
| 2340 | x *= frequency; |
| 2341 | y *= frequency; |
| 2342 | z *= frequency; |
| 2343 | |
| 2344 | /* |
| 2345 | * --- Rotation moved to TransformDomainWarpCoordinate method --- |
| 2346 | * const FNfloat R3 = (FNfloat)(2.0 / 3.0); |
| 2347 | * FNfloat r = (x + y + z) * R3; // Rotation, not skew |
| 2348 | * x = r - x; y = r - y; z = r - z; |
| 2349 | */ |
| 2350 | |
| 2351 | int i = FastRound(x); |
| 2352 | int j = FastRound(y); |
| 2353 | int k = FastRound(z); |
| 2354 | float x0 = (float)x - i; |
| 2355 | float y0 = (float)y - j; |
| 2356 | float z0 = (float)z - k; |
| 2357 | |
| 2358 | int xNSign = (int)(-x0 - 1.0f) | 1; |
| 2359 | int yNSign = (int)(-y0 - 1.0f) | 1; |
| 2360 | int zNSign = (int)(-z0 - 1.0f) | 1; |
| 2361 | |
| 2362 | float ax0 = xNSign * -x0; |
| 2363 | float ay0 = yNSign * -y0; |
| 2364 | float az0 = zNSign * -z0; |
| 2365 | |
| 2366 | i *= PrimeX; |
| 2367 | j *= PrimeY; |
| 2368 | k *= PrimeZ; |
| 2369 | |
| 2370 | float vx, vy, vz; |
| 2371 | vx = vy = vz = 0; |
| 2372 | |
| 2373 | float a = (0.6f - x0 * x0) - (y0 * y0 + z0 * z0); |
| 2374 | for (int l = 0; l < 2; l++) |
| 2375 | { |
| 2376 | if (a > 0) |
| 2377 | { |
| 2378 | float aaaa = (a * a) * (a * a); |
| 2379 | float xo, yo, zo; |
| 2380 | if (outGradOnly) |
| 2381 | GradCoordOut(seed, i, j, k, xo, yo, zo); |
| 2382 | else |
| 2383 | GradCoordDual(seed, i, j, k, x0, y0, z0, xo, yo, zo); |
| 2384 | vx += aaaa * xo; |
| 2385 | vy += aaaa * yo; |
| 2386 | vz += aaaa * zo; |
| 2387 | } |
| 2388 | |
| 2389 | float b = a + 1; |
| 2390 | int i1 = i; |
| 2391 | int j1 = j; |
| 2392 | int k1 = k; |
| 2393 | float x1 = x0; |
| 2394 | float y1 = y0; |
| 2395 | float z1 = z0; |
| 2396 | |
| 2397 | if (ax0 >= ay0 && ax0 >= az0) |
| 2398 | { |
| 2399 | x1 += xNSign; |
| 2400 | b -= xNSign * 2 * x1; |
| 2401 | i1 -= xNSign * PrimeX; |
| 2402 | } |
| 2403 | else if (ay0 > ax0 && ay0 >= az0) |
| 2404 | { |
| 2405 | y1 += yNSign; |
| 2406 | b -= yNSign * 2 * y1; |
| 2407 | j1 -= yNSign * PrimeY; |
| 2408 | } |
| 2409 | else |
| 2410 | { |
| 2411 | z1 += zNSign; |
| 2412 | b -= zNSign * 2 * z1; |
| 2413 | k1 -= zNSign * PrimeZ; |
| 2414 | } |
| 2415 | |
| 2416 | if (b > 0) |
| 2417 | { |
| 2418 | float bbbb = (b * b) * (b * b); |
| 2419 | float xo, yo, zo; |
| 2420 | if (outGradOnly) |
| 2421 | GradCoordOut(seed, i1, j1, k1, xo, yo, zo); |
| 2422 | else |
| 2423 | GradCoordDual(seed, i1, j1, k1, x1, y1, z1, xo, yo, zo); |
| 2424 | vx += bbbb * xo; |
| 2425 | vy += bbbb * yo; |
| 2426 | vz += bbbb * zo; |
| 2427 | } |
| 2428 | |
| 2429 | if (l == 1) break; |
| 2430 | |
| 2431 | ax0 = 0.5f - ax0; |
| 2432 | ay0 = 0.5f - ay0; |
| 2433 | az0 = 0.5f - az0; |
| 2434 | |
| 2435 | x0 = xNSign * ax0; |
| 2436 | y0 = yNSign * ay0; |
| 2437 | z0 = zNSign * az0; |
| 2438 | |
| 2439 | a += (0.75f - ax0) - (ay0 + az0); |
| 2440 | |
| 2441 | i += (xNSign >> 1) & PrimeX; |
| 2442 | j += (yNSign >> 1) & PrimeY; |
| 2443 | k += (zNSign >> 1) & PrimeZ; |
| 2444 | |
| 2445 | xNSign = -xNSign; |
| 2446 | yNSign = -yNSign; |
| 2447 | zNSign = -zNSign; |
| 2448 | |
| 2449 | seed += 1293373; |
| 2450 | } |
| 2451 | |
| 2452 | xr += vx * warpAmp; |
| 2453 | yr += vy * warpAmp; |
| 2454 | zr += vz * warpAmp; |
| 2455 | } |
| 2456 | }; |
| 2457 | |
| 2458 | template <> |
| 2459 | struct FastNoiseLite::Arguments_must_be_floating_point_values<float> {}; |
| 2460 | template <> |
| 2461 | struct FastNoiseLite::Arguments_must_be_floating_point_values<double> {}; |
| 2462 | template <> |
| 2463 | struct FastNoiseLite::Arguments_must_be_floating_point_values<long double> {}; |
| 2464 | |
| 2465 | template <typename T> |
| 2466 | const T FastNoiseLite::Lookup<T>::Gradients2D[] = |
| 2467 | { |
| 2468 | 0.130526192220052f, 0.99144486137381f, 0.38268343236509f, 0.923879532511287f, 0.608761429008721f, 0.793353340291235f, 0.793353340291235f, 0.608761429008721f, |
| 2469 | 0.923879532511287f, 0.38268343236509f, 0.99144486137381f, 0.130526192220051f, 0.99144486137381f, -0.130526192220051f, 0.923879532511287f, -0.38268343236509f, |
| 2470 | 0.793353340291235f, -0.60876142900872f, 0.608761429008721f, -0.793353340291235f, 0.38268343236509f, -0.923879532511287f, 0.130526192220052f, -0.99144486137381f, |
| 2471 | -0.130526192220052f, -0.99144486137381f, -0.38268343236509f, -0.923879532511287f, -0.608761429008721f, -0.793353340291235f, -0.793353340291235f, -0.608761429008721f, |
| 2472 | -0.923879532511287f, -0.38268343236509f, -0.99144486137381f, -0.130526192220052f, -0.99144486137381f, 0.130526192220051f, -0.923879532511287f, 0.38268343236509f, |
| 2473 | -0.793353340291235f, 0.608761429008721f, -0.608761429008721f, 0.793353340291235f, -0.38268343236509f, 0.923879532511287f, -0.130526192220052f, 0.99144486137381f, |
| 2474 | 0.130526192220052f, 0.99144486137381f, 0.38268343236509f, 0.923879532511287f, 0.608761429008721f, 0.793353340291235f, 0.793353340291235f, 0.608761429008721f, |
| 2475 | 0.923879532511287f, 0.38268343236509f, 0.99144486137381f, 0.130526192220051f, 0.99144486137381f, -0.130526192220051f, 0.923879532511287f, -0.38268343236509f, |
| 2476 | 0.793353340291235f, -0.60876142900872f, 0.608761429008721f, -0.793353340291235f, 0.38268343236509f, -0.923879532511287f, 0.130526192220052f, -0.99144486137381f, |
| 2477 | -0.130526192220052f, -0.99144486137381f, -0.38268343236509f, -0.923879532511287f, -0.608761429008721f, -0.793353340291235f, -0.793353340291235f, -0.608761429008721f, |
| 2478 | -0.923879532511287f, -0.38268343236509f, -0.99144486137381f, -0.130526192220052f, -0.99144486137381f, 0.130526192220051f, -0.923879532511287f, 0.38268343236509f, |
| 2479 | -0.793353340291235f, 0.608761429008721f, -0.608761429008721f, 0.793353340291235f, -0.38268343236509f, 0.923879532511287f, -0.130526192220052f, 0.99144486137381f, |
| 2480 | 0.130526192220052f, 0.99144486137381f, 0.38268343236509f, 0.923879532511287f, 0.608761429008721f, 0.793353340291235f, 0.793353340291235f, 0.608761429008721f, |
| 2481 | 0.923879532511287f, 0.38268343236509f, 0.99144486137381f, 0.130526192220051f, 0.99144486137381f, -0.130526192220051f, 0.923879532511287f, -0.38268343236509f, |
| 2482 | 0.793353340291235f, -0.60876142900872f, 0.608761429008721f, -0.793353340291235f, 0.38268343236509f, -0.923879532511287f, 0.130526192220052f, -0.99144486137381f, |
| 2483 | -0.130526192220052f, -0.99144486137381f, -0.38268343236509f, -0.923879532511287f, -0.608761429008721f, -0.793353340291235f, -0.793353340291235f, -0.608761429008721f, |
| 2484 | -0.923879532511287f, -0.38268343236509f, -0.99144486137381f, -0.130526192220052f, -0.99144486137381f, 0.130526192220051f, -0.923879532511287f, 0.38268343236509f, |
| 2485 | -0.793353340291235f, 0.608761429008721f, -0.608761429008721f, 0.793353340291235f, -0.38268343236509f, 0.923879532511287f, -0.130526192220052f, 0.99144486137381f, |
| 2486 | 0.130526192220052f, 0.99144486137381f, 0.38268343236509f, 0.923879532511287f, 0.608761429008721f, 0.793353340291235f, 0.793353340291235f, 0.608761429008721f, |
| 2487 | 0.923879532511287f, 0.38268343236509f, 0.99144486137381f, 0.130526192220051f, 0.99144486137381f, -0.130526192220051f, 0.923879532511287f, -0.38268343236509f, |
| 2488 | 0.793353340291235f, -0.60876142900872f, 0.608761429008721f, -0.793353340291235f, 0.38268343236509f, -0.923879532511287f, 0.130526192220052f, -0.99144486137381f, |
| 2489 | -0.130526192220052f, -0.99144486137381f, -0.38268343236509f, -0.923879532511287f, -0.608761429008721f, -0.793353340291235f, -0.793353340291235f, -0.608761429008721f, |
| 2490 | -0.923879532511287f, -0.38268343236509f, -0.99144486137381f, -0.130526192220052f, -0.99144486137381f, 0.130526192220051f, -0.923879532511287f, 0.38268343236509f, |
| 2491 | -0.793353340291235f, 0.608761429008721f, -0.608761429008721f, 0.793353340291235f, -0.38268343236509f, 0.923879532511287f, -0.130526192220052f, 0.99144486137381f, |
| 2492 | 0.130526192220052f, 0.99144486137381f, 0.38268343236509f, 0.923879532511287f, 0.608761429008721f, 0.793353340291235f, 0.793353340291235f, 0.608761429008721f, |
| 2493 | 0.923879532511287f, 0.38268343236509f, 0.99144486137381f, 0.130526192220051f, 0.99144486137381f, -0.130526192220051f, 0.923879532511287f, -0.38268343236509f, |
| 2494 | 0.793353340291235f, -0.60876142900872f, 0.608761429008721f, -0.793353340291235f, 0.38268343236509f, -0.923879532511287f, 0.130526192220052f, -0.99144486137381f, |
| 2495 | -0.130526192220052f, -0.99144486137381f, -0.38268343236509f, -0.923879532511287f, -0.608761429008721f, -0.793353340291235f, -0.793353340291235f, -0.608761429008721f, |
| 2496 | -0.923879532511287f, -0.38268343236509f, -0.99144486137381f, -0.130526192220052f, -0.99144486137381f, 0.130526192220051f, -0.923879532511287f, 0.38268343236509f, |
| 2497 | -0.793353340291235f, 0.608761429008721f, -0.608761429008721f, 0.793353340291235f, -0.38268343236509f, 0.923879532511287f, -0.130526192220052f, 0.99144486137381f, |
| 2498 | 0.38268343236509f, 0.923879532511287f, 0.923879532511287f, 0.38268343236509f, 0.923879532511287f, -0.38268343236509f, 0.38268343236509f, -0.923879532511287f, |
| 2499 | -0.38268343236509f, -0.923879532511287f, -0.923879532511287f, -0.38268343236509f, -0.923879532511287f, 0.38268343236509f, -0.38268343236509f, 0.923879532511287f, |
| 2500 | }; |
| 2501 | |
| 2502 | template <typename T> |
| 2503 | const T FastNoiseLite::Lookup<T>::RandVecs2D[] = |
| 2504 | { |
| 2505 | -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, |
| 2506 | -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, |
| 2507 | -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, |
| 2508 | -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, |
| 2509 | -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, |
| 2510 | 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, |
| 2511 | 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, |
| 2512 | -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, |
| 2513 | 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, |
| 2514 | 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, |
| 2515 | -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, |
| 2516 | 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, |
| 2517 | -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, |
| 2518 | -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, |
| 2519 | 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, |
| 2520 | -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, |
| 2521 | 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, |
| 2522 | 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, |
| 2523 | 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, |
| 2524 | -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, |
| 2525 | 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, |
| 2526 | 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, |
| 2527 | 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, |
| 2528 | -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, |
| 2529 | 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, |
| 2530 | -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, |
| 2531 | 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, |
| 2532 | -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, |
| 2533 | 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, |
| 2534 | -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, |
| 2535 | 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, |
| 2536 | 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, |
| 2537 | }; |
| 2538 | |
| 2539 | template <typename T> |
| 2540 | const T FastNoiseLite::Lookup<T>::Gradients3D[] = |
| 2541 | { |
| 2542 | 0, 1, 1, 0, 0,-1, 1, 0, 0, 1,-1, 0, 0,-1,-1, 0, |
| 2543 | 1, 0, 1, 0, -1, 0, 1, 0, 1, 0,-1, 0, -1, 0,-1, 0, |
| 2544 | 1, 1, 0, 0, -1, 1, 0, 0, 1,-1, 0, 0, -1,-1, 0, 0, |
| 2545 | 0, 1, 1, 0, 0,-1, 1, 0, 0, 1,-1, 0, 0,-1,-1, 0, |
| 2546 | 1, 0, 1, 0, -1, 0, 1, 0, 1, 0,-1, 0, -1, 0,-1, 0, |
| 2547 | 1, 1, 0, 0, -1, 1, 0, 0, 1,-1, 0, 0, -1,-1, 0, 0, |
| 2548 | 0, 1, 1, 0, 0,-1, 1, 0, 0, 1,-1, 0, 0,-1,-1, 0, |
| 2549 | 1, 0, 1, 0, -1, 0, 1, 0, 1, 0,-1, 0, -1, 0,-1, 0, |
| 2550 | 1, 1, 0, 0, -1, 1, 0, 0, 1,-1, 0, 0, -1,-1, 0, 0, |
| 2551 | 0, 1, 1, 0, 0,-1, 1, 0, 0, 1,-1, 0, 0,-1,-1, 0, |
| 2552 | 1, 0, 1, 0, -1, 0, 1, 0, 1, 0,-1, 0, -1, 0,-1, 0, |
| 2553 | 1, 1, 0, 0, -1, 1, 0, 0, 1,-1, 0, 0, -1,-1, 0, 0, |
| 2554 | 0, 1, 1, 0, 0,-1, 1, 0, 0, 1,-1, 0, 0,-1,-1, 0, |
| 2555 | 1, 0, 1, 0, -1, 0, 1, 0, 1, 0,-1, 0, -1, 0,-1, 0, |
| 2556 | 1, 1, 0, 0, -1, 1, 0, 0, 1,-1, 0, 0, -1,-1, 0, 0, |
| 2557 | 1, 1, 0, 0, 0,-1, 1, 0, -1, 1, 0, 0, 0,-1,-1, 0 |
| 2558 | }; |
| 2559 | |
| 2560 | template <typename T> |
| 2561 | const T FastNoiseLite::Lookup<T>::RandVecs3D[] = |
| 2562 | { |
| 2563 | -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, |
| 2564 | 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, |
| 2565 | -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, |
| 2566 | -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, |
| 2567 | 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, |
| 2568 | -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, |
| 2569 | 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, |
| 2570 | 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, |
| 2571 | -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, |
| 2572 | 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, |
| 2573 | -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, |
| 2574 | -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, |
| 2575 | 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, |
| 2576 | 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, |
| 2577 | -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, |
| 2578 | 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, |
| 2579 | 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, |
| 2580 | -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, |
| 2581 | -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, |
| 2582 | -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, |
| 2583 | -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, |
| 2584 | 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, |
| 2585 | 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, |
| 2586 | 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, |
| 2587 | -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, |
| 2588 | -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, |
| 2589 | -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, |
| 2590 | 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, |
| 2591 | 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, |
| 2592 | 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, |
| 2593 | 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, |
| 2594 | -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 |
| 2595 | }; |
| 2596 | |
| 2597 | } |
| 2598 | #endif // namespace fastnoiselite |
| 2599 | |