2340 lines
114 KiB
C++
2340 lines
114 KiB
C++
#include "fast_noise_lite_gdshader.h"
|
|
|
|
namespace zylann {
|
|
namespace fast_noise_lite {
|
|
|
|
// clang-format off
|
|
// <generated>
|
|
const char *GDSHADER_SOURCE[] = {
|
|
"// MIT License\n",
|
|
"//\n",
|
|
"// Copyright(c) 2020 Jordan Peck (jordan.me2@gmail.com)\n",
|
|
"// Copyright(c) 2020 Contributors\n",
|
|
"//\n",
|
|
"// Permission is hereby granted, free of charge, to any person obtaining a copy\n",
|
|
"// of this software and associated documentation files(the \"Software\"), to deal\n",
|
|
"// in the Software without restriction, including without limitation the rights\n",
|
|
"// to use, copy, modify, merge, publish, distribute, sublicense, and / or sell\n",
|
|
"// copies of the Software, and to permit persons to whom the Software is\n",
|
|
"// furnished to do so, subject to the following conditions :\n",
|
|
"//\n",
|
|
"// The above copyright notice and this permission notice shall be included in all\n",
|
|
"// copies or substantial portions of the Software.\n",
|
|
"//\n",
|
|
"// THE SOFTWARE IS PROVIDED \"AS IS\", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR\n",
|
|
"// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,\n",
|
|
"// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.IN NO EVENT SHALL THE\n",
|
|
"// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER\n",
|
|
"// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,\n",
|
|
"// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE\n",
|
|
"// SOFTWARE.\n",
|
|
"//\n",
|
|
"// .'',;:cldxkO00KKXXNNWWWNNXKOkxdollcc::::::;:::ccllloooolllllllllooollc:,'... ...........',;cldxkO000Okxdlc::;;;,,;;;::cclllllll\n",
|
|
"// ..',;:ldxO0KXXNNNNNNNNXXK0kxdolcc::::::;;;,,,,,,;;;;;;;;;;:::cclllllc:;'.... ...........',;:ldxO0KXXXK0Okxdolc::;;;;::cllodddddo\n",
|
|
"// ...',:loxO0KXNNNNNXXKK0Okxdolc::;::::::::;;;,,'''''.....''',;:clllllc:;,'............''''''''',;:loxO0KXNNNNNXK0Okxdollccccllodxxxxxxd\n",
|
|
"// ....';:ldkO0KXXXKK00Okxdolcc:;;;;;::cclllcc:;;,''..... ....',;clooddolcc:;;;;,,;;;;;::::;;;;;;:cloxk0KXNWWWWWWNXKK0Okxddoooddxxkkkkkxx\n",
|
|
"// .....';:ldxkOOOOOkxxdolcc:;;;,,,;;:cllooooolcc:;'... ..,:codxkkkxddooollloooooooollcc:::::clodkO0KXNWWWWWWNNXK00Okxxxxxxxxkkkkxxx\n",
|
|
"// . ....';:cloddddo___________,,,,;;:clooddddoolc:,... ..,:ldx__00OOOkkk___kkkkkkxxdollc::::cclodkO0KXXNNNNNNXXK0OOkxxxxxxxxxxxxddd\n",
|
|
"// .......',;:cccc:| |,,,;;:cclooddddoll:;'.. ..';cox| \\KKK000| |KK00OOkxdocc___;::clldxxkO0KKKKK00Okkxdddddddddddddddoo\n",
|
|
"// .......'',,,,,''| ________|',,;;::cclloooooolc:;'......___:ldk| \\KK000| |XKKK0Okxolc| |;;::cclodxxkkkkxxdoolllcclllooodddooooo\n",
|
|
"// ''......''''....| | ....'',,,,;;;::cclloooollc:;,''.'| |oxk| \\OOO0| |KKK00Oxdoll|___|;;;;;::ccllllllcc::;;,,;;;:cclloooooooo\n",
|
|
"// ;;,''.......... | |_____',,;;;____:___cllo________.___| |___| \\xkk| |KK_______ool___:::;________;;;_______...'',;;:ccclllloo\n",
|
|
"// c:;,''......... | |:::/ ' |lo/ | | \\dx| |0/ \\d| |cc/ |'/ \\......',,;;:ccllo\n",
|
|
"// ol:;,'..........| _____|ll/ __ |o/ ______|____ ___| | \\o| |/ ___ \\| |o/ ______|/ ___ \\ .......'',;:clo\n",
|
|
"// dlc;,...........| |::clooo| / | |x\\___ \\KXKKK0| |dol| |\\ \\| | | | | |d\\___ \\..| | / / ....',:cl\n",
|
|
"// xoc;'... .....'| |llodddd| \\__| |_____\\ \\KKK0O| |lc:| |'\\ | |___| | |_____\\ \\.| |_/___/... ...',;:c\n",
|
|
"// dlc;'... ....',;| |oddddddo\\ | |Okkx| |::;| |..\\ |\\ /| | | \\ |... ....',;:c\n",
|
|
"// ol:,'.......',:c|___|xxxddollc\\_____,___|_________/ddoll|___|,,,|___|...\\_____|:\\ ______/l|___|_________/...\\________|'........',;::cc\n",
|
|
"// c:;'.......';:codxxkkkkxxolc::;::clodxkOO0OOkkxdollc::;;,,''''',,,,''''''''''',,'''''',;:loxkkOOkxol:;,'''',,;:ccllcc:;,'''''',;::ccll\n",
|
|
"// ;,'.......',:codxkOO0OOkxdlc:;,,;;:cldxxkkxxdolc:;;,,''.....'',;;:::;;,,,'''''........,;cldkO0KK0Okdoc::;;::cloodddoolc:;;;;;::ccllooo\n",
|
|
"// .........',;:lodxOO0000Okdoc:,,',,;:clloddoolc:;,''.......'',;:clooollc:;;,,''.......',:ldkOKXNNXX0Oxdolllloddxxxxxxdolccccccllooodddd\n",
|
|
"// . .....';:cldxkO0000Okxol:;,''',,;::cccc:;,,'.......'',;:cldxxkkxxdolc:;;,'.......';coxOKXNWWWNXKOkxddddxxkkkkkkxdoollllooddxxxxkkk\n",
|
|
"// ....',;:codxkO000OOxdoc:;,''',,,;;;;,''.......',,;:clodkO00000Okxolc::;,,''..',;:ldxOKXNWWWNNK0OkkkkkkkkkkkxxddooooodxxkOOOOO000\n",
|
|
"// ....',;;clodxkkOOOkkdolc:;,,,,,,,,'..........,;:clodxkO0KKXKK0Okxdolcc::;;,,,;;:codkO0XXNNNNXKK0OOOOOkkkkxxdoollloodxkO0KKKXXXXX\n",
|
|
"//\n",
|
|
"// VERSION: 1.0.1\n",
|
|
"// https://github.com/Auburn/FastNoise\n",
|
|
"\n",
|
|
"// Switch between using floats or doubles for input position\n",
|
|
"//typedef float FNLfloat;\n",
|
|
"//typedef double FNLfloat;\n",
|
|
"\n",
|
|
"// Noise Type\n",
|
|
"const int FNL_NOISE_OPENSIMPLEX2 = 0;\n",
|
|
"const int FNL_NOISE_OPENSIMPLEX2S = 1;\n",
|
|
"const int FNL_NOISE_CELLULAR = 2;\n",
|
|
"const int FNL_NOISE_PERLIN = 3;\n",
|
|
"const int FNL_NOISE_VALUE_CUBIC = 4;\n",
|
|
"const int FNL_NOISE_VALUE = 5;\n",
|
|
"//typedef int fnl_noise_type;\n",
|
|
"\n",
|
|
"// Rotation types\n",
|
|
"const int FNL_ROTATION_NONE = 0;\n",
|
|
"const int FNL_ROTATION_IMPROVE_XY_PLANES = 1;\n",
|
|
"const int FNL_ROTATION_IMPROVE_XZ_PLANES = 2;\n",
|
|
"//typedef int fnl_rotation_type_3d;\n",
|
|
"\n",
|
|
"// Fractal types\n",
|
|
"const int FNL_FRACTAL_NONE = 0;\n",
|
|
"const int FNL_FRACTAL_FBM = 1;\n",
|
|
"const int FNL_FRACTAL_RIDGED = 2;\n",
|
|
"const int FNL_FRACTAL_PINGPONG = 3;\n",
|
|
"const int FNL_FRACTAL_DOMAIN_WARP_PROGRESSIVE = 4;\n",
|
|
"const int FNL_FRACTAL_DOMAIN_WARP_INDEPENDENT = 5;\n",
|
|
"//typedef int fnl_fractal_type;\n",
|
|
"\n",
|
|
"const int FNL_CELLULAR_DISTANCE_EUCLIDEAN = 0;\n",
|
|
"const int FNL_CELLULAR_DISTANCE_EUCLIDEANSQ = 1;\n",
|
|
"const int FNL_CELLULAR_DISTANCE_MANHATTAN = 2;\n",
|
|
"const int FNL_CELLULAR_DISTANCE_HYBRID = 3;\n",
|
|
"//typedef int fnl_cellular_distance_func;\n",
|
|
"\n",
|
|
"const int FNL_CELLULAR_RETURN_TYPE_CELLVALUE = 0;\n",
|
|
"const int FNL_CELLULAR_RETURN_TYPE_DISTANCE = 1;\n",
|
|
"const int FNL_CELLULAR_RETURN_TYPE_DISTANCE2 = 2;\n",
|
|
"const int FNL_CELLULAR_RETURN_TYPE_DISTANCE2ADD = 3;\n",
|
|
"const int FNL_CELLULAR_RETURN_TYPE_DISTANCE2SUB = 4;\n",
|
|
"const int FNL_CELLULAR_RETURN_TYPE_DISTANCE2MUL = 5;\n",
|
|
"const int FNL_CELLULAR_RETURN_TYPE_DISTANCE2DIV = 6;\n",
|
|
"//typedef int fnl_cellular_return_type;\n",
|
|
"\n",
|
|
"const int FNL_DOMAIN_WARP_OPENSIMPLEX2 = 0;\n",
|
|
"const int FNL_DOMAIN_WARP_OPENSIMPLEX2_REDUCED = 1;\n",
|
|
"const int FNL_DOMAIN_WARP_BASICGRID = 2;\n",
|
|
"//typedef int fnl_domain_warp_type;\n",
|
|
"\n",
|
|
"/**\n",
|
|
" * Structure containing entire noise system state.\n",
|
|
" * @note Must only be created using fnlCreateState(optional: seed). To ensure defaults are set.\n",
|
|
" */\n",
|
|
"struct fnl_state\n",
|
|
"{\n",
|
|
" /**\n",
|
|
" * Seed used for all noise types.\n",
|
|
" * @remark Default: 1337\n",
|
|
" */\n",
|
|
" int seed;\n",
|
|
"\n",
|
|
" /**\n",
|
|
" * The frequency for all noise types.\n",
|
|
" * @remark Default: 0.01\n",
|
|
" */\n",
|
|
" float frequency;\n",
|
|
"\n",
|
|
" /**\n",
|
|
" * The noise algorithm to be used by GetNoise(...).\n",
|
|
" * @remark Default: FNL_NOISE_OPENSIMPLEX2\n",
|
|
" */\n",
|
|
" int /*fnl_noise_type*/ noise_type;\n",
|
|
"\n",
|
|
" /**\n",
|
|
" * Sets noise rotation type for 3D.\n",
|
|
" * @remark Default: FNL_ROTATION_NONE\n",
|
|
" */\n",
|
|
" int /*fnl_rotation_type_3d*/ rotation_type_3d;\n",
|
|
"\n",
|
|
" /**\n",
|
|
" * The method used for combining octaves for all fractal noise types.\n",
|
|
" * @remark Default: None\n",
|
|
" * @remark FNL_FRACTAL_DOMAIN_WARP_... only effects fnlDomainWarp...\n",
|
|
" */\n",
|
|
" int /*fnl_fractal_type*/ fractal_type;\n",
|
|
"\n",
|
|
" /**\n",
|
|
" * The octave count for all fractal noise types.\n",
|
|
" * @remark Default: 3\n",
|
|
" */\n",
|
|
" int octaves;\n",
|
|
"\n",
|
|
" /**\n",
|
|
" * The octave lacunarity for all fractal noise types.\n",
|
|
" * @remark Default: 2.0\n",
|
|
" */\n",
|
|
" float lacunarity;\n",
|
|
"\n",
|
|
" /**\n",
|
|
" * The octave gain for all fractal noise types.\n",
|
|
" * @remark Default: 0.5\n",
|
|
" */\n",
|
|
" float gain;\n",
|
|
"\n",
|
|
" /**\n",
|
|
" * The octave weighting for all none Domaain Warp fractal types.\n",
|
|
" * @remark Default: 0.0\n",
|
|
" * @remark \n",
|
|
" */\n",
|
|
" float weighted_strength;\n",
|
|
"\n",
|
|
" /**\n",
|
|
" * The strength of the fractal ping pong effect.\n",
|
|
" * @remark Default: 2.0\n",
|
|
" */\n",
|
|
" float ping_pong_strength;\n",
|
|
"\n",
|
|
" /**\n",
|
|
" * The distance function used in cellular noise calculations.\n",
|
|
" * @remark Default: FNL_CELLULAR_FUNC_DISTANCE\n",
|
|
" */\n",
|
|
" int /*fnl_cellular_distance_func*/ cellular_distance_func;\n",
|
|
"\n",
|
|
" /**\n",
|
|
" * The cellular return type from cellular noise calculations.\n",
|
|
" * @remark Default: FNL_CELLULAR_RETURN_TYPE_EUCLIEANSQ\n",
|
|
" */\n",
|
|
" int /*fnl_cellular_return_type*/ cellular_return_type;\n",
|
|
"\n",
|
|
" /**\n",
|
|
" * The maximum distance a cellular point can move from it's grid position.\n",
|
|
" * @remark Default: 1.0\n",
|
|
" * @note Setting this higher than 1 will cause artifacts.\n",
|
|
" */\n",
|
|
" float cellular_jitter_mod;\n",
|
|
"\n",
|
|
" /**\n",
|
|
" * The warp algorithm when using fnlDomainWarp...\n",
|
|
" * @remark Default: OpenSimplex2\n",
|
|
" */\n",
|
|
" int /*fnl_domain_warp_type*/ domain_warp_type;\n",
|
|
"\n",
|
|
" /**\n",
|
|
" * The maximum warp distance from original position when using fnlDomainWarp...\n",
|
|
" * @remark Default: 1.0\n",
|
|
" */\n",
|
|
" float domain_warp_amp;\n",
|
|
"};\n",
|
|
"\n",
|
|
"/**\n",
|
|
" * Creates a noise state with default values.\n",
|
|
" * @param seed Optionally set the state seed.\n",
|
|
" */\n",
|
|
"//fnl_state fnlCreateState(int seed = 1337);\n",
|
|
"\n",
|
|
"/**\n",
|
|
" * 2D noise at given position using the state settings\n",
|
|
" * @returns Noise output bounded between -1 and 1.\n",
|
|
" */\n",
|
|
"//float fnlGetNoise2D(fnl_state state, FNLfloat x, FNLfloat y);\n",
|
|
"\n",
|
|
"/**\n",
|
|
" * 3D noise at given position using the state settings\n",
|
|
" * @returns Noise output bounded between -1 and 1.\n",
|
|
" */\n",
|
|
"//float fnlGetNoise3D(fnl_state state, FNLfloat x, FNLfloat y, FNLfloat z);\n",
|
|
"\n",
|
|
"/**\n",
|
|
" * 2D warps the input position using current domain warp settings.\n",
|
|
" * \n",
|
|
" * Example usage with fnlGetNoise2D:\n",
|
|
" * ```\n",
|
|
" * fnlDomainWarp2D(state, x, y);\n",
|
|
" * noise = fnlGetNoise2D(state, x, y);\n",
|
|
" * ```\n",
|
|
" */\n",
|
|
"//void fnlDomainWarp2D(fnl_state state, inout FNLfloat x, inout FNLfloat y);\n",
|
|
"\n",
|
|
"/**\n",
|
|
" * 3D warps the input position using current domain warp settings.\n",
|
|
" * \n",
|
|
" * Example usage with fnlGetNoise3D:\n",
|
|
" * ```\n",
|
|
" * fnlDomainWarp3D(state, x, y, z);\n",
|
|
" * noise = fnlGetNoise3D(state, x, y, z);\n",
|
|
" * ```\n",
|
|
" */\n",
|
|
"//void fnlDomainWarp3D(fnl_state state, inout FNLfloat x, inout FNLfloat y, inout FNLfloat z);\n",
|
|
"\n",
|
|
"// From here on, this is private implementation\n",
|
|
"\n",
|
|
"// Constants\n",
|
|
"\n",
|
|
"const float GRADIENTS_2D[] = \n",
|
|
"{\n",
|
|
" 0.130526192220052f, 0.99144486137381f, 0.38268343236509f, 0.923879532511287f, 0.608761429008721f, 0.793353340291235f, 0.793353340291235f, 0.608761429008721f,\n",
|
|
" 0.923879532511287f, 0.38268343236509f, 0.99144486137381f, 0.130526192220051f, 0.99144486137381f, -0.130526192220051f, 0.923879532511287f, -0.38268343236509f,\n",
|
|
" 0.793353340291235f, -0.60876142900872f, 0.608761429008721f, -0.793353340291235f, 0.38268343236509f, -0.923879532511287f, 0.130526192220052f, -0.99144486137381f,\n",
|
|
" -0.130526192220052f, -0.99144486137381f, -0.38268343236509f, -0.923879532511287f, -0.608761429008721f, -0.793353340291235f, -0.793353340291235f, -0.608761429008721f,\n",
|
|
" -0.923879532511287f, -0.38268343236509f, -0.99144486137381f, -0.130526192220052f, -0.99144486137381f, 0.130526192220051f, -0.923879532511287f, 0.38268343236509f,\n",
|
|
" -0.793353340291235f, 0.608761429008721f, -0.608761429008721f, 0.793353340291235f, -0.38268343236509f, 0.923879532511287f, -0.130526192220052f, 0.99144486137381f,\n",
|
|
" 0.130526192220052f, 0.99144486137381f, 0.38268343236509f, 0.923879532511287f, 0.608761429008721f, 0.793353340291235f, 0.793353340291235f, 0.608761429008721f,\n",
|
|
" 0.923879532511287f, 0.38268343236509f, 0.99144486137381f, 0.130526192220051f, 0.99144486137381f, -0.130526192220051f, 0.923879532511287f, -0.38268343236509f,\n",
|
|
" 0.793353340291235f, -0.60876142900872f, 0.608761429008721f, -0.793353340291235f, 0.38268343236509f, -0.923879532511287f, 0.130526192220052f, -0.99144486137381f,\n",
|
|
" -0.130526192220052f, -0.99144486137381f, -0.38268343236509f, -0.923879532511287f, -0.608761429008721f, -0.793353340291235f, -0.793353340291235f, -0.608761429008721f,\n",
|
|
" -0.923879532511287f, -0.38268343236509f, -0.99144486137381f, -0.130526192220052f, -0.99144486137381f, 0.130526192220051f, -0.923879532511287f, 0.38268343236509f,\n",
|
|
" -0.793353340291235f, 0.608761429008721f, -0.608761429008721f, 0.793353340291235f, -0.38268343236509f, 0.923879532511287f, -0.130526192220052f, 0.99144486137381f,\n",
|
|
" 0.130526192220052f, 0.99144486137381f, 0.38268343236509f, 0.923879532511287f, 0.608761429008721f, 0.793353340291235f, 0.793353340291235f, 0.608761429008721f,\n",
|
|
" 0.923879532511287f, 0.38268343236509f, 0.99144486137381f, 0.130526192220051f, 0.99144486137381f, -0.130526192220051f, 0.923879532511287f, -0.38268343236509f,\n",
|
|
" 0.793353340291235f, -0.60876142900872f, 0.608761429008721f, -0.793353340291235f, 0.38268343236509f, -0.923879532511287f, 0.130526192220052f, -0.99144486137381f,\n",
|
|
" -0.130526192220052f, -0.99144486137381f, -0.38268343236509f, -0.923879532511287f, -0.608761429008721f, -0.793353340291235f, -0.793353340291235f, -0.608761429008721f,\n",
|
|
" -0.923879532511287f, -0.38268343236509f, -0.99144486137381f, -0.130526192220052f, -0.99144486137381f, 0.130526192220051f, -0.923879532511287f, 0.38268343236509f,\n",
|
|
" -0.793353340291235f, 0.608761429008721f, -0.608761429008721f, 0.793353340291235f, -0.38268343236509f, 0.923879532511287f, -0.130526192220052f, 0.99144486137381f,\n",
|
|
" 0.130526192220052f, 0.99144486137381f, 0.38268343236509f, 0.923879532511287f, 0.608761429008721f, 0.793353340291235f, 0.793353340291235f, 0.608761429008721f,\n",
|
|
" 0.923879532511287f, 0.38268343236509f, 0.99144486137381f, 0.130526192220051f, 0.99144486137381f, -0.130526192220051f, 0.923879532511287f, -0.38268343236509f,\n",
|
|
" 0.793353340291235f, -0.60876142900872f, 0.608761429008721f, -0.793353340291235f, 0.38268343236509f, -0.923879532511287f, 0.130526192220052f, -0.99144486137381f,\n",
|
|
" -0.130526192220052f, -0.99144486137381f, -0.38268343236509f, -0.923879532511287f, -0.608761429008721f, -0.793353340291235f, -0.793353340291235f, -0.608761429008721f,\n",
|
|
" -0.923879532511287f, -0.38268343236509f, -0.99144486137381f, -0.130526192220052f, -0.99144486137381f, 0.130526192220051f, -0.923879532511287f, 0.38268343236509f,\n",
|
|
" -0.793353340291235f, 0.608761429008721f, -0.608761429008721f, 0.793353340291235f, -0.38268343236509f, 0.923879532511287f, -0.130526192220052f, 0.99144486137381f,\n",
|
|
" 0.130526192220052f, 0.99144486137381f, 0.38268343236509f, 0.923879532511287f, 0.608761429008721f, 0.793353340291235f, 0.793353340291235f, 0.608761429008721f,\n",
|
|
" 0.923879532511287f, 0.38268343236509f, 0.99144486137381f, 0.130526192220051f, 0.99144486137381f, -0.130526192220051f, 0.923879532511287f, -0.38268343236509f,\n",
|
|
" 0.793353340291235f, -0.60876142900872f, 0.608761429008721f, -0.793353340291235f, 0.38268343236509f, -0.923879532511287f, 0.130526192220052f, -0.99144486137381f,\n",
|
|
" -0.130526192220052f, -0.99144486137381f, -0.38268343236509f, -0.923879532511287f, -0.608761429008721f, -0.793353340291235f, -0.793353340291235f, -0.608761429008721f,\n",
|
|
" -0.923879532511287f, -0.38268343236509f, -0.99144486137381f, -0.130526192220052f, -0.99144486137381f, 0.130526192220051f, -0.923879532511287f, 0.38268343236509f,\n",
|
|
" -0.793353340291235f, 0.608761429008721f, -0.608761429008721f, 0.793353340291235f, -0.38268343236509f, 0.923879532511287f, -0.130526192220052f, 0.99144486137381f,\n",
|
|
" 0.38268343236509f, 0.923879532511287f, 0.923879532511287f, 0.38268343236509f, 0.923879532511287f, -0.38268343236509f, 0.38268343236509f, -0.923879532511287f,\n",
|
|
" -0.38268343236509f, -0.923879532511287f, -0.923879532511287f, -0.38268343236509f, -0.923879532511287f, 0.38268343236509f, -0.38268343236509f, 0.923879532511287f\n",
|
|
"};\n",
|
|
"\n",
|
|
"const float RAND_VECS_2D[] = \n",
|
|
"{\n",
|
|
" -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,\n",
|
|
" -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,\n",
|
|
" -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,\n",
|
|
" -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,\n",
|
|
" -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,\n",
|
|
" 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,\n",
|
|
" 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,\n",
|
|
" -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,\n",
|
|
" 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,\n",
|
|
" 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,\n",
|
|
" -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,\n",
|
|
" 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,\n",
|
|
" -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,\n",
|
|
" -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,\n",
|
|
" 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,\n",
|
|
" -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,\n",
|
|
" 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,\n",
|
|
" 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,\n",
|
|
" 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,\n",
|
|
" -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,\n",
|
|
" 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,\n",
|
|
" 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,\n",
|
|
" 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,\n",
|
|
" -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,\n",
|
|
" 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,\n",
|
|
" -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,\n",
|
|
" 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,\n",
|
|
" -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,\n",
|
|
" 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,\n",
|
|
" -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,\n",
|
|
" 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,\n",
|
|
" 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\n",
|
|
"};\n",
|
|
"\n",
|
|
"const float GRADIENTS_3D[] = \n",
|
|
"{\n",
|
|
" 0.0, 1.0, 1.0, 0.0, 0.0,-1.0, 1.0, 0.0, 0.0, 1.0,-1.0, 0.0, 0.0,-1.0,-1.0, 0.0,\n",
|
|
" 1.0, 0.0, 1.0, 0.0, -1.0, 0.0, 1.0, 0.0, 1.0, 0.0,-1.0, 0.0, -1.0, 0.0,-1.0, 0.0,\n",
|
|
" 1.0, 1.0, 0.0, 0.0, -1.0, 1.0, 0.0, 0.0, 1.0,-1.0, 0.0, 0.0, -1.0,-1.0, 0.0, 0.0,\n",
|
|
" 0.0, 1.0, 1.0, 0.0, 0.0,-1.0, 1.0, 0.0, 0.0, 1.0,-1.0, 0.0, 0.0,-1.0,-1.0, 0.0,\n",
|
|
" 1.0, 0.0, 1.0, 0.0, -1.0, 0.0, 1.0, 0.0, 1.0, 0.0,-1.0, 0.0, -1.0, 0.0,-1.0, 0.0,\n",
|
|
" 1.0, 1.0, 0.0, 0.0, -1.0, 1.0, 0.0, 0.0, 1.0,-1.0, 0.0, 0.0, -1.0,-1.0, 0.0, 0.0,\n",
|
|
" 0.0, 1.0, 1.0, 0.0, 0.0,-1.0, 1.0, 0.0, 0.0, 1.0,-1.0, 0.0, 0.0,-1.0,-1.0, 0.0,\n",
|
|
" 1.0, 0.0, 1.0, 0.0, -1.0, 0.0, 1.0, 0.0, 1.0, 0.0,-1.0, 0.0, -1.0, 0.0,-1.0, 0.0,\n",
|
|
" 1.0, 1.0, 0.0, 0.0, -1.0, 1.0, 0.0, 0.0, 1.0,-1.0, 0.0, 0.0, -1.0,-1.0, 0.0, 0.0,\n",
|
|
" 0.0, 1.0, 1.0, 0.0, 0.0,-1.0, 1.0, 0.0, 0.0, 1.0,-1.0, 0.0, 0.0,-1.0,-1.0, 0.0,\n",
|
|
" 1.0, 0.0, 1.0, 0.0, -1.0, 0.0, 1.0, 0.0, 1.0, 0.0,-1.0, 0.0, -1.0, 0.0,-1.0, 0.0,\n",
|
|
" 1.0, 1.0, 0.0, 0.0, -1.0, 1.0, 0.0, 0.0, 1.0,-1.0, 0.0, 0.0, -1.0,-1.0, 0.0, 0.0,\n",
|
|
" 0.0, 1.0, 1.0, 0.0, 0.0,-1.0, 1.0, 0.0, 0.0, 1.0,-1.0, 0.0, 0.0,-1.0,-1.0, 0.0,\n",
|
|
" 1.0, 0.0, 1.0, 0.0, -1.0, 0.0, 1.0, 0.0, 1.0, 0.0,-1.0, 0.0, -1.0, 0.0,-1.0, 0.0,\n",
|
|
" 1.0, 1.0, 0.0, 0.0, -1.0, 1.0, 0.0, 0.0, 1.0,-1.0, 0.0, 0.0, -1.0,-1.0, 0.0, 0.0,\n",
|
|
" 1.0, 1.0, 0.0, 0.0, 0.0,-1.0, 1.0, 0.0, -1.0, 1.0, 0.0, 0.0, 0.0,-1.0,-1.0, 0.0\n",
|
|
"};\n",
|
|
"\n",
|
|
"const float RAND_VECS_3D[] = \n",
|
|
"{\n",
|
|
" -0.7292736885f, -0.6618439697f, 0.1735581948f, 0.0, 0.790292081f, -0.5480887466f, -0.2739291014f, 0.0, 0.7217578935f, 0.6226212466f, -0.3023380997f, 0.0, 0.565683137f, -0.8208298145f, -0.0790000257f, 0.0, 0.760049034f, -0.5555979497f, -0.3370999617f, 0.0, 0.3713945616f, 0.5011264475f, 0.7816254623f, 0.0, -0.1277062463f, -0.4254438999f, -0.8959289049f, 0.0, -0.2881560924f, -0.5815838982f, 0.7607405838f, 0.0,\n",
|
|
" 0.5849561111f, -0.662820239f, -0.4674352136f, 0.0, 0.3307171178f, 0.0391653737f, 0.94291689f, 0.0, 0.8712121778f, -0.4113374369f, -0.2679381538f, 0.0, 0.580981015f, 0.7021915846f, 0.4115677815f, 0.0, 0.503756873f, 0.6330056931f, -0.5878203852f, 0.0, 0.4493712205f, 0.601390195f, 0.6606022552f, 0.0, -0.6878403724f, 0.09018890807f, -0.7202371714f, 0.0, -0.5958956522f, -0.6469350577f, 0.475797649f, 0.0,\n",
|
|
" -0.5127052122f, 0.1946921978f, -0.8361987284f, 0.0, -0.9911507142f, -0.05410276466f, -0.1212153153f, 0.0, -0.2149721042f, 0.9720882117f, -0.09397607749f, 0.0, -0.7518650936f, -0.5428057603f, 0.3742469607f, 0.0, 0.5237068895f, 0.8516377189f, -0.02107817834f, 0.0, 0.6333504779f, 0.1926167129f, -0.7495104896f, 0.0, -0.06788241606f, 0.3998305789f, 0.9140719259f, 0.0, -0.5538628599f, -0.4729896695f, -0.6852128902f, 0.0,\n",
|
|
" -0.7261455366f, -0.5911990757f, 0.3509933228f, 0.0, -0.9229274737f, -0.1782808786f, 0.3412049336f, 0.0, -0.6968815002f, 0.6511274338f, 0.3006480328f, 0.0, 0.9608044783f, -0.2098363234f, -0.1811724921f, 0.0, 0.06817146062f, -0.9743405129f, 0.2145069156f, 0.0, -0.3577285196f, -0.6697087264f, -0.6507845481f, 0.0, -0.1868621131f, 0.7648617052f, -0.6164974636f, 0.0, -0.6541697588f, 0.3967914832f, 0.6439087246f, 0.0,\n",
|
|
" 0.6993340405f, -0.6164538506f, 0.3618239211f, 0.0, -0.1546665739f, 0.6291283928f, 0.7617583057f, 0.0, -0.6841612949f, -0.2580482182f, -0.6821542638f, 0.0, 0.5383980957f, 0.4258654885f, 0.7271630328f, 0.0, -0.5026987823f, -0.7939832935f, -0.3418836993f, 0.0, 0.3202971715f, 0.2834415347f, 0.9039195862f, 0.0, 0.8683227101f, -0.0003762656404f, -0.4959995258f, 0.0, 0.791120031f, -0.08511045745f, 0.6057105799f, 0.0,\n",
|
|
" -0.04011016052f, -0.4397248749f, 0.8972364289f, 0.0, 0.9145119872f, 0.3579346169f, -0.1885487608f, 0.0, -0.9612039066f, -0.2756484276f, 0.01024666929f, 0.0, 0.6510361721f, -0.2877799159f, -0.7023778346f, 0.0, -0.2041786351f, 0.7365237271f, 0.644859585f, 0.0, -0.7718263711f, 0.3790626912f, 0.5104855816f, 0.0, -0.3060082741f, -0.7692987727f, 0.5608371729f, 0.0, 0.454007341f, -0.5024843065f, 0.7357899537f, 0.0,\n",
|
|
" 0.4816795475f, 0.6021208291f, -0.6367380315f, 0.0, 0.6961980369f, -0.3222197429f, 0.641469197f, 0.0, -0.6532160499f, -0.6781148932f, 0.3368515753f, 0.0, 0.5089301236f, -0.6154662304f, -0.6018234363f, 0.0, -0.1635919754f, -0.9133604627f, -0.372840892f, 0.0, 0.52408019f, -0.8437664109f, 0.1157505864f, 0.0, 0.5902587356f, 0.4983817807f, -0.6349883666f, 0.0, 0.5863227872f, 0.494764745f, 0.6414307729f, 0.0,\n",
|
|
" 0.6779335087f, 0.2341345225f, 0.6968408593f, 0.0, 0.7177054546f, -0.6858979348f, 0.120178631f, 0.0, -0.5328819713f, -0.5205125012f, 0.6671608058f, 0.0, -0.8654874251f, -0.0700727088f, -0.4960053754f, 0.0, -0.2861810166f, 0.7952089234f, 0.5345495242f, 0.0, -0.04849529634f, 0.9810836427f, -0.1874115585f, 0.0, -0.6358521667f, 0.6058348682f, 0.4781800233f, 0.0, 0.6254794696f, -0.2861619734f, 0.7258696564f, 0.0,\n",
|
|
" -0.2585259868f, 0.5061949264f, -0.8227581726f, 0.0, 0.02136306781f, 0.5064016808f, -0.8620330371f, 0.0, 0.200111773f, 0.8599263484f, 0.4695550591f, 0.0, 0.4743561372f, 0.6014985084f, -0.6427953014f, 0.0, 0.6622993731f, -0.5202474575f, -0.5391679918f, 0.0, 0.08084972818f, -0.6532720452f, 0.7527940996f, 0.0, -0.6893687501f, 0.0592860349f, 0.7219805347f, 0.0, -0.1121887082f, -0.9673185067f, 0.2273952515f, 0.0,\n",
|
|
" 0.7344116094f, 0.5979668656f, -0.3210532909f, 0.0, 0.5789393465f, -0.2488849713f, 0.7764570201f, 0.0, 0.6988182827f, 0.3557169806f, -0.6205791146f, 0.0, -0.8636845529f, -0.2748771249f, -0.4224826141f, 0.0, -0.4247027957f, -0.4640880967f, 0.777335046f, 0.0, 0.5257722489f, -0.8427017621f, 0.1158329937f, 0.0, 0.9343830603f, 0.316302472f, -0.1639543925f, 0.0, -0.1016836419f, -0.8057303073f, -0.5834887393f, 0.0,\n",
|
|
" -0.6529238969f, 0.50602126f, -0.5635892736f, 0.0, -0.2465286165f, -0.9668205684f, -0.06694497494f, 0.0, -0.9776897119f, -0.2099250524f, -0.007368825344f, 0.0, 0.7736893337f, 0.5734244712f, 0.2694238123f, 0.0, -0.6095087895f, 0.4995678998f, 0.6155736747f, 0.0, 0.5794535482f, 0.7434546771f, 0.3339292269f, 0.0, -0.8226211154f, 0.08142581855f, 0.5627293636f, 0.0, -0.510385483f, 0.4703667658f, 0.7199039967f, 0.0,\n",
|
|
" -0.5764971849f, -0.07231656274f, -0.8138926898f, 0.0, 0.7250628871f, 0.3949971505f, -0.5641463116f, 0.0, -0.1525424005f, 0.4860840828f, -0.8604958341f, 0.0, -0.5550976208f, -0.4957820792f, 0.667882296f, 0.0, -0.1883614327f, 0.9145869398f, 0.357841725f, 0.0, 0.7625556724f, -0.5414408243f, -0.3540489801f, 0.0, -0.5870231946f, -0.3226498013f, -0.7424963803f, 0.0, 0.3051124198f, 0.2262544068f, -0.9250488391f, 0.0,\n",
|
|
" 0.6379576059f, 0.577242424f, -0.5097070502f, 0.0, -0.5966775796f, 0.1454852398f, -0.7891830656f, 0.0, -0.658330573f, 0.6555487542f, -0.3699414651f, 0.0, 0.7434892426f, 0.2351084581f, 0.6260573129f, 0.0, 0.5562114096f, 0.8264360377f, -0.0873632843f, 0.0, -0.3028940016f, -0.8251527185f, 0.4768419182f, 0.0, 0.1129343818f, -0.985888439f, -0.1235710781f, 0.0, 0.5937652891f, -0.5896813806f, 0.5474656618f, 0.0,\n",
|
|
" 0.6757964092f, -0.5835758614f, -0.4502648413f, 0.0, 0.7242302609f, -0.1152719764f, 0.6798550586f, 0.0, -0.9511914166f, 0.0753623979f, -0.2992580792f, 0.0, 0.2539470961f, -0.1886339355f, 0.9486454084f, 0.0, 0.571433621f, -0.1679450851f, -0.8032795685f, 0.0, -0.06778234979f, 0.3978269256f, 0.9149531629f, 0.0, 0.6074972649f, 0.733060024f, -0.3058922593f, 0.0, -0.5435478392f, 0.1675822484f, 0.8224791405f, 0.0,\n",
|
|
" -0.5876678086f, -0.3380045064f, -0.7351186982f, 0.0, -0.7967562402f, 0.04097822706f, -0.6029098428f, 0.0, -0.1996350917f, 0.8706294745f, 0.4496111079f, 0.0, -0.02787660336f, -0.9106232682f, -0.4122962022f, 0.0, -0.7797625996f, -0.6257634692f, 0.01975775581f, 0.0, -0.5211232846f, 0.7401644346f, -0.4249554471f, 0.0, 0.8575424857f, 0.4053272873f, -0.3167501783f, 0.0, 0.1045223322f, 0.8390195772f, -0.5339674439f, 0.0,\n",
|
|
" 0.3501822831f, 0.9242524096f, -0.1520850155f, 0.0, 0.1987849858f, 0.07647613266f, 0.9770547224f, 0.0, 0.7845996363f, 0.6066256811f, -0.1280964233f, 0.0, 0.09006737436f, -0.9750989929f, -0.2026569073f, 0.0, -0.8274343547f, -0.542299559f, 0.1458203587f, 0.0, -0.3485797732f, -0.415802277f, 0.840000362f, 0.0, -0.2471778936f, -0.7304819962f, -0.6366310879f, 0.0, -0.3700154943f, 0.8577948156f, 0.3567584454f, 0.0,\n",
|
|
" 0.5913394901f, -0.548311967f, -0.5913303597f, 0.0, 0.1204873514f, -0.7626472379f, -0.6354935001f, 0.0, 0.616959265f, 0.03079647928f, 0.7863922953f, 0.0, 0.1258156836f, -0.6640829889f, -0.7369967419f, 0.0, -0.6477565124f, -0.1740147258f, -0.7417077429f, 0.0, 0.6217889313f, -0.7804430448f, -0.06547655076f, 0.0, 0.6589943422f, -0.6096987708f, 0.4404473475f, 0.0, -0.2689837504f, -0.6732403169f, -0.6887635427f, 0.0,\n",
|
|
" -0.3849775103f, 0.5676542638f, 0.7277093879f, 0.0, 0.5754444408f, 0.8110471154f, -0.1051963504f, 0.0, 0.9141593684f, 0.3832947817f, 0.131900567f, 0.0, -0.107925319f, 0.9245493968f, 0.3654593525f, 0.0, 0.377977089f, 0.3043148782f, 0.8743716458f, 0.0, -0.2142885215f, -0.8259286236f, 0.5214617324f, 0.0, 0.5802544474f, 0.4148098596f, -0.7008834116f, 0.0, -0.1982660881f, 0.8567161266f, -0.4761596756f, 0.0,\n",
|
|
" -0.03381553704f, 0.3773180787f, -0.9254661404f, 0.0, -0.6867922841f, -0.6656597827f, 0.2919133642f, 0.0, 0.7731742607f, -0.2875793547f, -0.5652430251f, 0.0, -0.09655941928f, 0.9193708367f, -0.3813575004f, 0.0, 0.2715702457f, -0.9577909544f, -0.09426605581f, 0.0, 0.2451015704f, -0.6917998565f, -0.6792188003f, 0.0, 0.977700782f, -0.1753855374f, 0.1155036542f, 0.0, -0.5224739938f, 0.8521606816f, 0.02903615945f, 0.0,\n",
|
|
" -0.7734880599f, -0.5261292347f, 0.3534179531f, 0.0, -0.7134492443f, -0.269547243f, 0.6467878011f, 0.0, 0.1644037271f, 0.5105846203f, -0.8439637196f, 0.0, 0.6494635788f, 0.05585611296f, 0.7583384168f, 0.0, -0.4711970882f, 0.5017280509f, -0.7254255765f, 0.0, -0.6335764307f, -0.2381686273f, -0.7361091029f, 0.0, -0.9021533097f, -0.270947803f, -0.3357181763f, 0.0, -0.3793711033f, 0.872258117f, 0.3086152025f, 0.0,\n",
|
|
" -0.6855598966f, -0.3250143309f, 0.6514394162f, 0.0, 0.2900942212f, -0.7799057743f, -0.5546100667f, 0.0, -0.2098319339f, 0.85037073f, 0.4825351604f, 0.0, -0.4592603758f, 0.6598504336f, -0.5947077538f, 0.0, 0.8715945488f, 0.09616365406f, -0.4807031248f, 0.0, -0.6776666319f, 0.7118504878f, -0.1844907016f, 0.0, 0.7044377633f, 0.312427597f, 0.637304036f, 0.0, -0.7052318886f, -0.2401093292f, -0.6670798253f, 0.0,\n",
|
|
" 0.081921007f, -0.7207336136f, -0.6883545647f, 0.0, -0.6993680906f, -0.5875763221f, -0.4069869034f, 0.0, -0.1281454481f, 0.6419895885f, 0.7559286424f, 0.0, -0.6337388239f, -0.6785471501f, -0.3714146849f, 0.0, 0.5565051903f, -0.2168887573f, -0.8020356851f, 0.0, -0.5791554484f, 0.7244372011f, -0.3738578718f, 0.0, 0.1175779076f, -0.7096451073f, 0.6946792478f, 0.0, -0.6134619607f, 0.1323631078f, 0.7785527795f, 0.0,\n",
|
|
" 0.6984635305f, -0.02980516237f, -0.715024719f, 0.0, 0.8318082963f, -0.3930171956f, 0.3919597455f, 0.0, 0.1469576422f, 0.05541651717f, -0.9875892167f, 0.0, 0.708868575f, -0.2690503865f, 0.6520101478f, 0.0, 0.2726053183f, 0.67369766f, -0.68688995f, 0.0, -0.6591295371f, 0.3035458599f, -0.6880466294f, 0.0, 0.4815131379f, -0.7528270071f, 0.4487723203f, 0.0, 0.9430009463f, 0.1675647412f, -0.2875261255f, 0.0,\n",
|
|
" 0.434802957f, 0.7695304522f, -0.4677277752f, 0.0, 0.3931996188f, 0.594473625f, 0.7014236729f, 0.0, 0.7254336655f, -0.603925654f, 0.3301814672f, 0.0, 0.7590235227f, -0.6506083235f, 0.02433313207f, 0.0, -0.8552768592f, -0.3430042733f, 0.3883935666f, 0.0, -0.6139746835f, 0.6981725247f, 0.3682257648f, 0.0, -0.7465905486f, -0.5752009504f, 0.3342849376f, 0.0, 0.5730065677f, 0.810555537f, -0.1210916791f, 0.0,\n",
|
|
" -0.9225877367f, -0.3475211012f, -0.167514036f, 0.0, -0.7105816789f, -0.4719692027f, -0.5218416899f, 0.0, -0.08564609717f, 0.3583001386f, 0.929669703f, 0.0, -0.8279697606f, -0.2043157126f, 0.5222271202f, 0.0, 0.427944023f, 0.278165994f, 0.8599346446f, 0.0, 0.5399079671f, -0.7857120652f, -0.3019204161f, 0.0, 0.5678404253f, -0.5495413974f, -0.6128307303f, 0.0, -0.9896071041f, 0.1365639107f, -0.04503418428f, 0.0,\n",
|
|
" -0.6154342638f, -0.6440875597f, 0.4543037336f, 0.0, 0.1074204368f, -0.7946340692f, 0.5975094525f, 0.0, -0.3595449969f, -0.8885529948f, 0.28495784f, 0.0, -0.2180405296f, 0.1529888965f, 0.9638738118f, 0.0, -0.7277432317f, -0.6164050508f, -0.3007234646f, 0.0, 0.7249729114f, -0.00669719484f, 0.6887448187f, 0.0, -0.5553659455f, -0.5336586252f, 0.6377908264f, 0.0, 0.5137558015f, 0.7976208196f, -0.3160000073f, 0.0,\n",
|
|
" -0.3794024848f, 0.9245608561f, -0.03522751494f, 0.0, 0.8229248658f, 0.2745365933f, -0.4974176556f, 0.0, -0.5404114394f, 0.6091141441f, 0.5804613989f, 0.0, 0.8036581901f, -0.2703029469f, 0.5301601931f, 0.0, 0.6044318879f, 0.6832968393f, 0.4095943388f, 0.0, 0.06389988817f, 0.9658208605f, -0.2512108074f, 0.0, 0.1087113286f, 0.7402471173f, -0.6634877936f, 0.0, -0.713427712f, -0.6926784018f, 0.1059128479f, 0.0,\n",
|
|
" 0.6458897819f, -0.5724548511f, -0.5050958653f, 0.0, -0.6553931414f, 0.7381471625f, 0.159995615f, 0.0, 0.3910961323f, 0.9188871375f, -0.05186755998f, 0.0, -0.4879022471f, -0.5904376907f, 0.6429111375f, 0.0, 0.6014790094f, 0.7707441366f, -0.2101820095f, 0.0, -0.5677173047f, 0.7511360995f, 0.3368851762f, 0.0, 0.7858573506f, 0.226674665f, 0.5753666838f, 0.0, -0.4520345543f, -0.604222686f, -0.6561857263f, 0.0,\n",
|
|
" 0.002272116345f, 0.4132844051f, -0.9105991643f, 0.0, -0.5815751419f, -0.5162925989f, 0.6286591339f, 0.0, -0.03703704785f, 0.8273785755f, 0.5604221175f, 0.0, -0.5119692504f, 0.7953543429f, -0.3244980058f, 0.0, -0.2682417366f, -0.9572290247f, -0.1084387619f, 0.0, -0.2322482736f, -0.9679131102f, -0.09594243324f, 0.0, 0.3554328906f, -0.8881505545f, 0.2913006227f, 0.0, 0.7346520519f, -0.4371373164f, 0.5188422971f, 0.0,\n",
|
|
" 0.9985120116f, 0.04659011161f, -0.02833944577f, 0.0, -0.3727687496f, -0.9082481361f, 0.1900757285f, 0.0, 0.91737377f, -0.3483642108f, 0.1925298489f, 0.0, 0.2714911074f, 0.4147529736f, -0.8684886582f, 0.0, 0.5131763485f, -0.7116334161f, 0.4798207128f, 0.0, -0.8737353606f, 0.18886992f, -0.4482350644f, 0.0, 0.8460043821f, -0.3725217914f, 0.3814499973f, 0.0, 0.8978727456f, -0.1780209141f, -0.4026575304f, 0.0,\n",
|
|
" 0.2178065647f, -0.9698322841f, -0.1094789531f, 0.0, -0.1518031304f, -0.7788918132f, -0.6085091231f, 0.0, -0.2600384876f, -0.4755398075f, -0.8403819825f, 0.0, 0.572313509f, -0.7474340931f, -0.3373418503f, 0.0, -0.7174141009f, 0.1699017182f, -0.6756111411f, 0.0, -0.684180784f, 0.02145707593f, -0.7289967412f, 0.0, -0.2007447902f, 0.06555605789f, -0.9774476623f, 0.0, -0.1148803697f, -0.8044887315f, 0.5827524187f, 0.0,\n",
|
|
" -0.7870349638f, 0.03447489231f, 0.6159443543f, 0.0, -0.2015596421f, 0.6859872284f, 0.6991389226f, 0.0, -0.08581082512f, -0.10920836f, -0.9903080513f, 0.0, 0.5532693395f, 0.7325250401f, -0.396610771f, 0.0, -0.1842489331f, -0.9777375055f, -0.1004076743f, 0.0, 0.0775473789f, -0.9111505856f, 0.4047110257f, 0.0, 0.1399838409f, 0.7601631212f, -0.6344734459f, 0.0, 0.4484419361f, -0.845289248f, 0.2904925424f, 0.0\n",
|
|
"};\n",
|
|
"\n",
|
|
"// Utilities\n",
|
|
"\n",
|
|
"float _fnlFastMin(float x, float y) { return x < y ? x : y; }\n",
|
|
"\n",
|
|
"float _fnlFastMax(float x, float y) { return x > y ? x : y; }\n",
|
|
"\n",
|
|
"float _fnlFastAbs(float f) { return f < 0.0 ? -f : f; }\n",
|
|
"\n",
|
|
"float _fnlFastSqrt(float a) { return sqrt(a); }\n",
|
|
"\n",
|
|
"int _fnlFastFloor(float /*FNLfloat*/ f) { return (f >= 0.0 ? int(f) : int(f) - 1); }\n",
|
|
"\n",
|
|
"int _fnlFastRound(float /*FNLfloat*/ f) { return (f >= 0.0) ? int(f + 0.5f) : int(f - 0.5f); }\n",
|
|
"\n",
|
|
"float _fnlLerp(float a, float b, float t) { return a + t * (b - a); }\n",
|
|
"\n",
|
|
"float _fnlInterpHermite(float t) { return t * t * (3.0 - 2.0 * t); }\n",
|
|
"\n",
|
|
"float _fnlInterpQuintic(float t) { return t * t * t * (t * (t * 6.0 - 15.0) + 10.0); }\n",
|
|
"\n",
|
|
"float _fnlCubicLerp(float a, float b, float c, float d, float t)\n",
|
|
"{\n",
|
|
" float p = (d - c) - (a - b);\n",
|
|
" return t * t * t * p + t * t * ((a - b) - p) + t * (c - a) + b;\n",
|
|
"}\n",
|
|
"\n",
|
|
"float _fnlPingPong(float t)\n",
|
|
"{\n",
|
|
" t -= float(int(t * 0.5f) * 2);\n",
|
|
" return t < 1.0 ? t : 2.0 - t;\n",
|
|
"}\n",
|
|
"\n",
|
|
"float _fnlCalculateFractalBounding(fnl_state state)\n",
|
|
"{\n",
|
|
" float gain = _fnlFastAbs(state.gain);\n",
|
|
" float amp = gain;\n",
|
|
" float ampFractal = 1.0f;\n",
|
|
" for (int i = 1; i < state.octaves; i++)\n",
|
|
" {\n",
|
|
" ampFractal += amp;\n",
|
|
" amp *= gain;\n",
|
|
" }\n",
|
|
" return 1.0f / ampFractal;\n",
|
|
"}\n",
|
|
"\n",
|
|
"// Hashing\n",
|
|
"\n",
|
|
"const int PRIME_X = 501125321;\n",
|
|
"const int PRIME_Y = 1136930381;\n",
|
|
"const int PRIME_Z = 1720413743;\n",
|
|
"\n",
|
|
"int _fnlHash2D(int seed, int xPrimed, int yPrimed)\n",
|
|
"{\n",
|
|
" int hash = seed ^ xPrimed ^ yPrimed;\n",
|
|
"\n",
|
|
" hash *= 0x27d4eb2d;\n",
|
|
" return hash;\n",
|
|
"}\n",
|
|
"\n",
|
|
"int _fnlHash3D(int seed, int xPrimed, int yPrimed, int zPrimed)\n",
|
|
"{\n",
|
|
" int hash = seed ^ xPrimed ^ yPrimed ^ zPrimed;\n",
|
|
"\n",
|
|
" hash *= 0x27d4eb2d;\n",
|
|
" return hash;\n",
|
|
"}\n",
|
|
"\n",
|
|
"float _fnlValCoord2D(int seed, int xPrimed, int yPrimed)\n",
|
|
"{\n",
|
|
" int hash = _fnlHash2D(seed, xPrimed, yPrimed);\n",
|
|
" hash *= hash;\n",
|
|
" hash ^= hash << 19;\n",
|
|
" return float(hash) * (1.0 / 2147483648.0f);\n",
|
|
"}\n",
|
|
"\n",
|
|
"float _fnlValCoord3D(int seed, int xPrimed, int yPrimed, int zPrimed)\n",
|
|
"{\n",
|
|
" int hash = _fnlHash3D(seed, xPrimed, yPrimed, zPrimed);\n",
|
|
" hash *= hash;\n",
|
|
" hash ^= hash << 19;\n",
|
|
" return float(hash) * (1.0 / 2147483648.0f);\n",
|
|
"}\n",
|
|
"\n",
|
|
"float _fnlGradCoord2D(int seed, int xPrimed, int yPrimed, float xd, float yd)\n",
|
|
"{\n",
|
|
" int hash = _fnlHash2D(seed, xPrimed, yPrimed);\n",
|
|
" hash ^= hash >> 15;\n",
|
|
" hash &= 127 << 1;\n",
|
|
" return xd * GRADIENTS_2D[hash] + yd * GRADIENTS_2D[hash | 1];\n",
|
|
"}\n",
|
|
"\n",
|
|
"float _fnlGradCoord3D(int seed, int xPrimed, int yPrimed, int zPrimed, float xd, float yd, float zd)\n",
|
|
"{\n",
|
|
" int hash = _fnlHash3D(seed, xPrimed, yPrimed, zPrimed);\n",
|
|
" hash ^= hash >> 15;\n",
|
|
" hash &= 63 << 2;\n",
|
|
" return xd * GRADIENTS_3D[hash] + yd * GRADIENTS_3D[hash | 1] + zd * GRADIENTS_3D[hash | 2];\n",
|
|
"}\n",
|
|
"\n",
|
|
"void _fnlGradCoordOut2D(int seed, int xPrimed, int yPrimed, out float xo, out float yo)\n",
|
|
"{\n",
|
|
" int hash = _fnlHash2D(seed, xPrimed, yPrimed) & (255 << 1);\n",
|
|
"\n",
|
|
" xo = RAND_VECS_2D[hash];\n",
|
|
" yo = RAND_VECS_2D[hash | 1];\n",
|
|
"}\n",
|
|
"\n",
|
|
"void _fnlGradCoordOut3D(int seed, int xPrimed, int yPrimed, int zPrimed, out float xo, out float yo, out float zo)\n",
|
|
"{\n",
|
|
" int hash = _fnlHash3D(seed, xPrimed, yPrimed, zPrimed) & (255 << 2);\n",
|
|
"\n",
|
|
" xo = RAND_VECS_3D[hash];\n",
|
|
" yo = RAND_VECS_3D[hash | 1];\n",
|
|
" zo = RAND_VECS_3D[hash | 2];\n",
|
|
"}\n",
|
|
"\n",
|
|
"void _fnlGradCoordDual2D(int seed, int xPrimed, int yPrimed, float xd, float yd, out float xo, out float yo)\n",
|
|
"{\n",
|
|
" int hash = _fnlHash2D(seed, xPrimed, yPrimed);\n",
|
|
" int index1 = hash & (127 << 1);\n",
|
|
" int index2 = (hash >> 7) & (255 << 1);\n",
|
|
"\n",
|
|
" float xg = GRADIENTS_2D[index1];\n",
|
|
" float yg = GRADIENTS_2D[index1 | 1];\n",
|
|
" float value = xd * xg + yd * yg;\n",
|
|
"\n",
|
|
" float xgo = RAND_VECS_2D[index2];\n",
|
|
" float ygo = RAND_VECS_2D[index2 | 1];\n",
|
|
"\n",
|
|
" xo = value * xgo;\n",
|
|
" yo = value * ygo;\n",
|
|
"}\n",
|
|
"\n",
|
|
"void _fnlGradCoordDual3D(int seed, int xPrimed, int yPrimed, int zPrimed, float xd, float yd, float zd, out float xo, out float yo, out float zo)\n",
|
|
"{\n",
|
|
" int hash = _fnlHash3D(seed, xPrimed, yPrimed, zPrimed);\n",
|
|
" int index1 = hash & (63 << 2);\n",
|
|
" int index2 = (hash >> 6) & (255 << 2);\n",
|
|
"\n",
|
|
" float xg = GRADIENTS_3D[index1];\n",
|
|
" float yg = GRADIENTS_3D[index1 | 1];\n",
|
|
" float zg = GRADIENTS_3D[index1 | 2];\n",
|
|
" float value = xd * xg + yd * yg + zd * zg;\n",
|
|
"\n",
|
|
" float xgo = RAND_VECS_3D[index2];\n",
|
|
" float ygo = RAND_VECS_3D[index2 | 1];\n",
|
|
" float zgo = RAND_VECS_3D[index2 | 2];\n",
|
|
"\n",
|
|
" xo = value * xgo;\n",
|
|
" yo = value * ygo;\n",
|
|
" zo = value * zgo;\n",
|
|
"}\n",
|
|
"\n",
|
|
"// Generic Noise Gen\n",
|
|
"\n",
|
|
"//static float _fnlSingleSimplex2D(int seed, FNLfloat x, FNLfloat y);\n",
|
|
"//static float _fnlSingleOpenSimplex23D(int seed, FNLfloat x, FNLfloat y, FNLfloat z);\n",
|
|
"//static float _fnlSingleOpenSimplex2S2D(int seed, FNLfloat x, FNLfloat y);\n",
|
|
"//static float _fnlSingleOpenSimplex2S3D(int seed, FNLfloat x, FNLfloat y, FNLfloat z);\n",
|
|
"//static float _fnlSingleCellular2D(fnl_state state, int seed, FNLfloat x, FNLfloat y);\n",
|
|
"//static float _fnlSingleCellular3D(fnl_state state, int seed, FNLfloat x, FNLfloat y, FNLfloat z);\n",
|
|
"//static float _fnlSinglePerlin2D(int seed, FNLfloat x, FNLfloat y);\n",
|
|
"//static float _fnlSinglePerlin3D(int seed, FNLfloat x, FNLfloat y, FNLfloat z);\n",
|
|
"//static float _fnlSingleValueCubic2D(int seed, FNLfloat x, FNLfloat y);\n",
|
|
"//static float _fnlSingleValueCubic3D(int seed, FNLfloat x, FNLfloat y, FNLfloat z);\n",
|
|
"//static float _fnlSingleValue2D(int seed, FNLfloat x, FNLfloat y);\n",
|
|
"//static float _fnlSingleValue3D(int seed, FNLfloat x, FNLfloat y, FNLfloat z);\n",
|
|
"\n",
|
|
"// Simplex/OpenSimplex2 Noise\n",
|
|
"\n",
|
|
"float _fnlSingleSimplex2D(int seed, float /*FNLfloat*/ x, float /*FNLfloat*/ y)\n",
|
|
"{\n",
|
|
" // 2D OpenSimplex2 case uses the same algorithm as ordinary Simplex.\n",
|
|
"\n",
|
|
" const float SQRT3 = 1.7320508075688772935274463415059f;\n",
|
|
" const float G2 = (3.0 - SQRT3) / 6.0;\n",
|
|
"\n",
|
|
" /*\n",
|
|
" * --- Skew moved to TransformNoiseCoordinate method ---\n",
|
|
" * const FNLfloat F2 = 0.5f * (SQRT3 - 1);\n",
|
|
" * FNLfloat s = (x + y) * F2;\n",
|
|
" * x += s; y += s;\n",
|
|
" */\n",
|
|
"\n",
|
|
" int i = _fnlFastFloor(x);\n",
|
|
" int j = _fnlFastFloor(y);\n",
|
|
" float xi = x - float(i);\n",
|
|
" float yi = y - float(j);\n",
|
|
"\n",
|
|
" float t = (xi + yi) * G2;\n",
|
|
" float x0 = float(xi - t);\n",
|
|
" float y0 = float(yi - t);\n",
|
|
"\n",
|
|
" i *= PRIME_X;\n",
|
|
" j *= PRIME_Y;\n",
|
|
"\n",
|
|
" float n0, n1, n2;\n",
|
|
"\n",
|
|
" float a = 0.5f - x0 * x0 - y0 * y0;\n",
|
|
" if (a <= 0.0)\n",
|
|
" n0 = 0.0;\n",
|
|
" else\n",
|
|
" {\n",
|
|
" n0 = (a * a) * (a * a) * _fnlGradCoord2D(seed, i, j, x0, y0);\n",
|
|
" }\n",
|
|
"\n",
|
|
" float c = float(2.0 * (1.0 - 2.0 * G2) * (1.0 / G2 - 2.0)) * t + (float(-2.0 * (1.0 - 2.0 * G2) * (1.0 - 2.0 * G2)) + a);\n",
|
|
" if (c <= 0.0)\n",
|
|
" n2 = 0.0;\n",
|
|
" else\n",
|
|
" {\n",
|
|
" float x2 = x0 + (2.0 * G2 - 1.0);\n",
|
|
" float y2 = y0 + (2.0 * G2 - 1.0);\n",
|
|
" n2 = (c * c) * (c * c) * _fnlGradCoord2D(seed, i + PRIME_X, j + PRIME_Y, x2, y2);\n",
|
|
" }\n",
|
|
"\n",
|
|
" if (y0 > x0)\n",
|
|
" {\n",
|
|
" float x1 = x0 + G2;\n",
|
|
" float y1 = y0 + (G2 - 1.0);\n",
|
|
" float b = 0.5f - x1 * x1 - y1 * y1;\n",
|
|
" if (b <= 0.0)\n",
|
|
" n1 = 0.0;\n",
|
|
" else\n",
|
|
" {\n",
|
|
" n1 = (b * b) * (b * b) * _fnlGradCoord2D(seed, i, j + PRIME_Y, x1, y1);\n",
|
|
" }\n",
|
|
" }\n",
|
|
" else\n",
|
|
" {\n",
|
|
" float x1 = x0 + (G2 - 1.0);\n",
|
|
" float y1 = y0 + G2;\n",
|
|
" float b = 0.5f - x1 * x1 - y1 * y1;\n",
|
|
" if (b <= 0.0)\n",
|
|
" n1 = 0.0;\n",
|
|
" else\n",
|
|
" {\n",
|
|
" n1 = (b * b) * (b * b) * _fnlGradCoord2D(seed, i + PRIME_X, j, x1, y1);\n",
|
|
" }\n",
|
|
" }\n",
|
|
"\n",
|
|
" return (n0 + n1 + n2) * 99.83685446303647f;\n",
|
|
"}\n",
|
|
"\n",
|
|
"// OpenSimplex2S Noise\n",
|
|
"\n",
|
|
"float _fnlSingleOpenSimplex2S2D(int seed, float /*FNLfloat*/ x, float /*FNLfloat*/ y)\n",
|
|
"{\n",
|
|
" // 2D OpenSimplex2S case is a modified 2D simplex noise.\n",
|
|
"\n",
|
|
" const float /*FNLfloat*/ SQRT3 = 1.7320508075688772935274463415059;\n",
|
|
" const float /*FNLfloat*/ G2 = (3.0 - SQRT3) / 6.0;\n",
|
|
"\n",
|
|
" /*\n",
|
|
" * --- Skew moved to TransformNoiseCoordinate method ---\n",
|
|
" * const FNLfloat F2 = 0.5f * (SQRT3 - 1);\n",
|
|
" * FNLfloat s = (x + y) * F2;\n",
|
|
" * x += s; y += s;\n",
|
|
" */\n",
|
|
"\n",
|
|
" int i = _fnlFastFloor(x);\n",
|
|
" int j = _fnlFastFloor(y);\n",
|
|
" float xi = float(x - float(i));\n",
|
|
" float yi = float(y - float(j));\n",
|
|
"\n",
|
|
" i *= PRIME_X;\n",
|
|
" j *= PRIME_Y;\n",
|
|
" int i1 = i + PRIME_X;\n",
|
|
" int j1 = j + PRIME_Y;\n",
|
|
"\n",
|
|
" float t = (xi + yi) * float(G2);\n",
|
|
" float x0 = xi - t;\n",
|
|
" float y0 = yi - t;\n",
|
|
"\n",
|
|
" int aMask = int((xi + yi + 1.0) * -0.5f);\n",
|
|
" int bMask = int((xi - float(aMask + 2)) * 0.5f - yi);\n",
|
|
" int cMask = int((yi - float(aMask + 2)) * 0.5f - xi);\n",
|
|
"\n",
|
|
" float a0 = (2.0f / 3.0f) - x0 * x0 - y0 * y0;\n",
|
|
" float value = (a0 * a0) * (a0 * a0) * _fnlGradCoord2D(seed, i, j, x0, y0);\n",
|
|
"\n",
|
|
" float a1 = float(2.0 * (1.0 - 2.0 * G2) * (1.0 / G2 - 2.0)) * t + (float(-2.0 * (1.0 - 2.0 * G2) * (1.0 - 2.0 * G2)) + a0);\n",
|
|
" float x1 = x0 - float(1.0 - 2.0 * G2);\n",
|
|
" float y1 = y0 - float(1.0 - 2.0 * G2);\n",
|
|
" value += (a1 * a1) * (a1 * a1) * _fnlGradCoord2D(seed, i1, j1, x1, y1);\n",
|
|
"\n",
|
|
" int di2 = ~(aMask | cMask) | 1;\n",
|
|
" int ndj2 = (aMask & bMask) << 1;\n",
|
|
" float t2 = float(di2 - ndj2) * float(G2);\n",
|
|
" float x2 = x0 - float(di2) + t2;\n",
|
|
" float y2 = y0 + float(ndj2) + t2;\n",
|
|
" float a2 = (2.0f / 3.0f) - x2 * x2 - y2 * y2;\n",
|
|
" if (a2 > 0.0)\n",
|
|
" {\n",
|
|
" value += (a2 * a2) * (a2 * a2) * _fnlGradCoord2D(seed, i1 + (di2 & (-PRIME_X << 1)), j + (ndj2 & (PRIME_Y << 1)), x2, y2);\n",
|
|
" }\n",
|
|
"\n",
|
|
" int ndi3 = (aMask & cMask) << 1;\n",
|
|
" int dj3 = ~(aMask | bMask) | 1;\n",
|
|
" float t3 = float(dj3 - ndi3) * float(G2);\n",
|
|
" float x3 = x0 + float(ndi3) + t3;\n",
|
|
" float y3 = y0 - float(dj3) + t3;\n",
|
|
" float a3 = (2.0f / 3.0f) - x3 * x3 - y3 * y3;\n",
|
|
" if (a3 > 0.0)\n",
|
|
" {\n",
|
|
" value += (a3 * a3) * (a3 * a3) * _fnlGradCoord2D(seed, i + (ndi3 & (PRIME_X << 1)), j1 + (dj3 & (-PRIME_Y << 1)), x3, y3);\n",
|
|
" }\n",
|
|
"\n",
|
|
" return value * 18.24196194486065f;\n",
|
|
"}\n",
|
|
"\n",
|
|
"// Cellular Noise\n",
|
|
"\n",
|
|
"float _fnlSingleCellular2D(fnl_state state, int seed, float /*FNLfloat*/ x, float /*FNLfloat*/ y)\n",
|
|
"{\n",
|
|
" int xr = _fnlFastRound(x);\n",
|
|
" int yr = _fnlFastRound(y);\n",
|
|
"\n",
|
|
" float distance0 = 1e10f;\n",
|
|
" float distance1 = 1e10f;\n",
|
|
" int closestHash = 0;\n",
|
|
"\n",
|
|
" float cellularJitter = 0.5f * state.cellular_jitter_mod;\n",
|
|
"\n",
|
|
" int xPrimed = (xr - 1) * PRIME_X;\n",
|
|
" int yPrimedBase = (yr - 1) * PRIME_Y;\n",
|
|
"\n",
|
|
" switch (state.cellular_distance_func)\n",
|
|
" {\n",
|
|
" // TODO Report issue, `default` is either unsupported or is assumed to be last\n",
|
|
" //default:\n",
|
|
" case 0://FNL_CELLULAR_DISTANCE_EUCLIDEAN:\n",
|
|
" case 1://FNL_CELLULAR_DISTANCE_EUCLIDEANSQ:\n",
|
|
" {\n",
|
|
" for (int xi = xr - 1; xi <= xr + 1; xi++)\n",
|
|
" {\n",
|
|
" int yPrimed = yPrimedBase;\n",
|
|
"\n",
|
|
" for (int yi = yr - 1; yi <= yr + 1; yi++)\n",
|
|
" {\n",
|
|
" int hash = _fnlHash2D(seed, xPrimed, yPrimed);\n",
|
|
" int idx = hash & (255 << 1);\n",
|
|
"\n",
|
|
" float vecX = float(float(xi) - x) + RAND_VECS_2D[idx] * cellularJitter;\n",
|
|
" float vecY = float(float(yi) - y) + RAND_VECS_2D[idx | 1] * cellularJitter;\n",
|
|
"\n",
|
|
" float newDistance = vecX * vecX + vecY * vecY;\n",
|
|
"\n",
|
|
" distance1 = _fnlFastMax(_fnlFastMin(distance1, newDistance), distance0);\n",
|
|
" if (newDistance < distance0)\n",
|
|
" {\n",
|
|
" distance0 = newDistance;\n",
|
|
" closestHash = hash;\n",
|
|
" }\n",
|
|
" yPrimed += PRIME_Y;\n",
|
|
" }\n",
|
|
" xPrimed += PRIME_X;\n",
|
|
" }\n",
|
|
" break;\n",
|
|
" }\n",
|
|
" case 2://FNL_CELLULAR_DISTANCE_MANHATTAN:\n",
|
|
" {\n",
|
|
" for (int xi = xr - 1; xi <= xr + 1; xi++)\n",
|
|
" {\n",
|
|
" int yPrimed = yPrimedBase;\n",
|
|
"\n",
|
|
" for (int yi = yr - 1; yi <= yr + 1; yi++)\n",
|
|
" {\n",
|
|
" int hash = _fnlHash2D(seed, xPrimed, yPrimed);\n",
|
|
" int idx = hash & (255 << 1);\n",
|
|
"\n",
|
|
" float vecX = float(float(xi) - x) + RAND_VECS_2D[idx] * cellularJitter;\n",
|
|
" float vecY = float(float(yi) - y) + RAND_VECS_2D[idx | 1] * cellularJitter;\n",
|
|
"\n",
|
|
" float newDistance = _fnlFastAbs(vecX) + _fnlFastAbs(vecY);\n",
|
|
"\n",
|
|
" distance1 = _fnlFastMax(_fnlFastMin(distance1, newDistance), distance0);\n",
|
|
" if (newDistance < distance0)\n",
|
|
" {\n",
|
|
" distance0 = newDistance;\n",
|
|
" closestHash = hash;\n",
|
|
" }\n",
|
|
" yPrimed += PRIME_Y;\n",
|
|
" }\n",
|
|
" xPrimed += PRIME_X;\n",
|
|
" }\n",
|
|
" break;\n",
|
|
" }\n",
|
|
" case 3://FNL_CELLULAR_DISTANCE_HYBRID:\n",
|
|
" {\n",
|
|
" for (int xi = xr - 1; xi <= xr + 1; xi++)\n",
|
|
" {\n",
|
|
" int yPrimed = yPrimedBase;\n",
|
|
" for (int yi = yr - 1; yi <= yr + 1; yi++)\n",
|
|
" {\n",
|
|
" int hash = _fnlHash2D(seed, xPrimed, yPrimed);\n",
|
|
" int idx = hash & (255 << 1);\n",
|
|
"\n",
|
|
" float vecX = float(float(xi) - x) + RAND_VECS_2D[idx] * cellularJitter;\n",
|
|
" float vecY = float(float(yi) - y) + RAND_VECS_2D[idx | 1] * cellularJitter;\n",
|
|
"\n",
|
|
" float newDistance = (_fnlFastAbs(vecX) + _fnlFastAbs(vecY)) + (vecX * vecX + vecY * vecY);\n",
|
|
"\n",
|
|
" distance1 = _fnlFastMax(_fnlFastMin(distance1, newDistance), distance0);\n",
|
|
" if (newDistance < distance0)\n",
|
|
" {\n",
|
|
" distance0 = newDistance;\n",
|
|
" closestHash = hash;\n",
|
|
" }\n",
|
|
" yPrimed += PRIME_Y;\n",
|
|
" }\n",
|
|
" xPrimed += PRIME_X;\n",
|
|
" }\n",
|
|
" break;\n",
|
|
" }\n",
|
|
" }\n",
|
|
"\n",
|
|
" if (state.cellular_distance_func == FNL_CELLULAR_DISTANCE_EUCLIDEAN && state.cellular_return_type >= FNL_CELLULAR_RETURN_TYPE_DISTANCE)\n",
|
|
" {\n",
|
|
" distance0 = _fnlFastSqrt(distance0);\n",
|
|
" if (state.cellular_return_type >= FNL_CELLULAR_RETURN_TYPE_DISTANCE2)\n",
|
|
" distance1 = _fnlFastSqrt(distance1);\n",
|
|
" }\n",
|
|
"\n",
|
|
" switch (state.cellular_return_type)\n",
|
|
" {\n",
|
|
" case 0://FNL_CELLULAR_RETURN_TYPE_CELLVALUE:\n",
|
|
" return float(closestHash) * (1.0 / 2147483648.0f);\n",
|
|
" case 1://FNL_CELLULAR_RETURN_TYPE_DISTANCE:\n",
|
|
" return distance0 - 1.0;\n",
|
|
" case 2://FNL_CELLULAR_RETURN_TYPE_DISTANCE2:\n",
|
|
" return distance1 - 1.0;\n",
|
|
" case 3://FNL_CELLULAR_RETURN_TYPE_DISTANCE2ADD:\n",
|
|
" return (distance1 + distance0) * 0.5f - 1.0;\n",
|
|
" case 4://FNL_CELLULAR_RETURN_TYPE_DISTANCE2SUB:\n",
|
|
" return distance1 - distance0 - 1.0;\n",
|
|
" case 5://FNL_CELLULAR_RETURN_TYPE_DISTANCE2MUL:\n",
|
|
" return distance1 * distance0 * 0.5f - 1.0;\n",
|
|
" case 6://FNL_CELLULAR_RETURN_TYPE_DISTANCE2DIV:\n",
|
|
" return distance0 / distance1 - 1.0;\n",
|
|
" default:\n",
|
|
" return 0.0;\n",
|
|
" }\n",
|
|
"}\n",
|
|
"\n",
|
|
"// Perlin Noise\n",
|
|
"\n",
|
|
"float _fnlSinglePerlin2D(int seed, float /*FNLfloat*/ x, float /*FNLfloat*/ y)\n",
|
|
"{\n",
|
|
" int x0 = _fnlFastFloor(x);\n",
|
|
" int y0 = _fnlFastFloor(y);\n",
|
|
"\n",
|
|
" float xd0 = float(x - float(x0));\n",
|
|
" float yd0 = float(y - float(y0));\n",
|
|
" float xd1 = xd0 - 1.0;\n",
|
|
" float yd1 = yd0 - 1.0;\n",
|
|
"\n",
|
|
" float xs = _fnlInterpQuintic(xd0);\n",
|
|
" float ys = _fnlInterpQuintic(yd0);\n",
|
|
"\n",
|
|
" x0 *= PRIME_X;\n",
|
|
" y0 *= PRIME_Y;\n",
|
|
" int x1 = x0 + PRIME_X;\n",
|
|
" int y1 = y0 + PRIME_Y;\n",
|
|
"\n",
|
|
" float xf0 = _fnlLerp(_fnlGradCoord2D(seed, x0, y0, xd0, yd0), _fnlGradCoord2D(seed, x1, y0, xd1, yd0), xs);\n",
|
|
" float xf1 = _fnlLerp(_fnlGradCoord2D(seed, x0, y1, xd0, yd1), _fnlGradCoord2D(seed, x1, y1, xd1, yd1), xs);\n",
|
|
"\n",
|
|
" return _fnlLerp(xf0, xf1, ys) * 1.4247691104677813f;\n",
|
|
"}\n",
|
|
"\n",
|
|
"// Value Cubic\n",
|
|
"\n",
|
|
"float _fnlSingleValueCubic2D(int seed, float /*FNLfloat*/ x, float /*FNLfloat*/ y)\n",
|
|
"{\n",
|
|
" int x1 = _fnlFastFloor(x);\n",
|
|
" int y1 = _fnlFastFloor(y);\n",
|
|
"\n",
|
|
" float xs = x - float(x1);\n",
|
|
" float ys = y - float(y1);\n",
|
|
"\n",
|
|
" x1 *= PRIME_X;\n",
|
|
" y1 *= PRIME_Y;\n",
|
|
"\n",
|
|
" int x0 = x1 - PRIME_X;\n",
|
|
" int y0 = y1 - PRIME_Y;\n",
|
|
" int x2 = x1 + PRIME_X;\n",
|
|
" int y2 = y1 + PRIME_Y;\n",
|
|
" int x3 = x1 + PRIME_X * 2;\n",
|
|
" int y3 = y1 + PRIME_Y * 2;\n",
|
|
"\n",
|
|
" return _fnlCubicLerp(\n",
|
|
" _fnlCubicLerp(_fnlValCoord2D(seed, x0, y0), _fnlValCoord2D(seed, x1, y0), _fnlValCoord2D(seed, x2, y0), _fnlValCoord2D(seed, x3, y0),\n",
|
|
" xs),\n",
|
|
" _fnlCubicLerp(_fnlValCoord2D(seed, x0, y1), _fnlValCoord2D(seed, x1, y1), _fnlValCoord2D(seed, x2, y1), _fnlValCoord2D(seed, x3, y1),\n",
|
|
" xs),\n",
|
|
" _fnlCubicLerp(_fnlValCoord2D(seed, x0, y2), _fnlValCoord2D(seed, x1, y2), _fnlValCoord2D(seed, x2, y2), _fnlValCoord2D(seed, x3, y2),\n",
|
|
" xs),\n",
|
|
" _fnlCubicLerp(_fnlValCoord2D(seed, x0, y3), _fnlValCoord2D(seed, x1, y3), _fnlValCoord2D(seed, x2, y3), _fnlValCoord2D(seed, x3, y3),\n",
|
|
" xs),\n",
|
|
" ys) * (1.0 / (1.5f * 1.5f));\n",
|
|
"}\n",
|
|
"\n",
|
|
"// Value noise\n",
|
|
"\n",
|
|
"float _fnlSingleValue2D(int seed, float /*FNLfloat*/ x, float /*FNLfloat*/ y)\n",
|
|
"{\n",
|
|
" int x0 = _fnlFastFloor(x);\n",
|
|
" int y0 = _fnlFastFloor(y);\n",
|
|
"\n",
|
|
" float xs = _fnlInterpHermite(float(x - float(x0)));\n",
|
|
" float ys = _fnlInterpHermite(float(y - float(y0)));\n",
|
|
"\n",
|
|
" x0 *= PRIME_X;\n",
|
|
" y0 *= PRIME_Y;\n",
|
|
" int x1 = x0 + PRIME_X;\n",
|
|
" int y1 = y0 + PRIME_Y;\n",
|
|
"\n",
|
|
" float xf0 = _fnlLerp(_fnlValCoord2D(seed, x0, y0), _fnlValCoord2D(seed, x1, y0), xs);\n",
|
|
" float xf1 = _fnlLerp(_fnlValCoord2D(seed, x0, y1), _fnlValCoord2D(seed, x1, y1), xs);\n",
|
|
"\n",
|
|
" return _fnlLerp(xf0, xf1, ys);\n",
|
|
"}\n",
|
|
"\n",
|
|
"float _fnlGenNoiseSingle2D(fnl_state state, int seed, float /*FNLfloat*/ x, float /*FNLfloat*/ y)\n",
|
|
"{\n",
|
|
" switch (state.noise_type)\n",
|
|
" {\n",
|
|
" // TODO Report bug to Godot, `const int` cannot be used in switch statement (and we can't use `#define`)\n",
|
|
" case 0://FNL_NOISE_OPENSIMPLEX2:\n",
|
|
" return _fnlSingleSimplex2D(seed, x, y);\n",
|
|
" case 1://FNL_NOISE_OPENSIMPLEX2S:\n",
|
|
" return _fnlSingleOpenSimplex2S2D(seed, x, y);\n",
|
|
" case 2://FNL_NOISE_CELLULAR:\n",
|
|
" return _fnlSingleCellular2D(state, seed, x, y);\n",
|
|
" case 3://FNL_NOISE_PERLIN:\n",
|
|
" return _fnlSinglePerlin2D(seed, x, y);\n",
|
|
" case 4://FNL_NOISE_VALUE_CUBIC:\n",
|
|
" return _fnlSingleValueCubic2D(seed, x, y);\n",
|
|
" case 5://FNL_NOISE_VALUE:\n",
|
|
" return _fnlSingleValue2D(seed, x, y);\n",
|
|
" default:\n",
|
|
" return 0.0;\n",
|
|
" }\n",
|
|
"}\n",
|
|
"\n",
|
|
"float _fnlSingleOpenSimplex23D(int seed, float /*FNLfloat*/ x, float /*FNLfloat*/ y, float /*FNLfloat*/ z)\n",
|
|
"{\n",
|
|
" // 3D OpenSimplex2 case uses two offset rotated cube grids.\n",
|
|
"\n",
|
|
" /*\n",
|
|
" * --- Rotation moved to TransformNoiseCoordinate method ---\n",
|
|
" * const FNLfloat R3 = (FNLfloat)(2.0 / 3.0);\n",
|
|
" * FNLfloat r = (x + y + z) * R3; // Rotation, not skew\n",
|
|
" * x = r - x; y = r - y; z = r - z;\n",
|
|
" */\n",
|
|
"\n",
|
|
" int i = _fnlFastRound(x);\n",
|
|
" int j = _fnlFastRound(y);\n",
|
|
" int k = _fnlFastRound(z);\n",
|
|
" float x0 = float(x - float(i));\n",
|
|
" float y0 = float(y - float(j));\n",
|
|
" float z0 = float(z - float(k));\n",
|
|
"\n",
|
|
" int xNSign = int(-1.0f - x0) | 1;\n",
|
|
" int yNSign = int(-1.0f - y0) | 1;\n",
|
|
" int zNSign = int(-1.0f - z0) | 1;\n",
|
|
"\n",
|
|
" float ax0 = float(xNSign) * -x0;\n",
|
|
" float ay0 = float(yNSign) * -y0;\n",
|
|
" float az0 = float(zNSign) * -z0;\n",
|
|
"\n",
|
|
" i *= PRIME_X;\n",
|
|
" j *= PRIME_Y;\n",
|
|
" k *= PRIME_Z;\n",
|
|
"\n",
|
|
" float value = 0.0;\n",
|
|
" float a = (0.6f - x0 * x0) - (y0 * y0 + z0 * z0);\n",
|
|
" \n",
|
|
" for (int l = 0; true; l++)\n",
|
|
" {\n",
|
|
" if (a > 0.0)\n",
|
|
" {\n",
|
|
" value += (a * a) * (a * a) * _fnlGradCoord3D(seed, i, j, k, x0, y0, z0);\n",
|
|
" }\n",
|
|
"\n",
|
|
" float b = a + 1.0;\n",
|
|
" int i1 = i;\n",
|
|
" int j1 = j;\n",
|
|
" int k1 = k;\n",
|
|
" float x1 = x0;\n",
|
|
" float y1 = y0;\n",
|
|
" float z1 = z0;\n",
|
|
" if (ax0 >= ay0 && ax0 >= az0)\n",
|
|
" {\n",
|
|
" x1 += float(xNSign);\n",
|
|
" b -= float(xNSign * 2) * x1;\n",
|
|
" i1 -= xNSign * PRIME_X;\n",
|
|
" }\n",
|
|
" else if (ay0 > ax0 && ay0 >= az0)\n",
|
|
" {\n",
|
|
" y1 += float(yNSign);\n",
|
|
" b -= float(yNSign * 2) * y1;\n",
|
|
" j1 -= yNSign * PRIME_Y;\n",
|
|
" }\n",
|
|
" else\n",
|
|
" {\n",
|
|
" z1 += float(zNSign);\n",
|
|
" b -= float(zNSign * 2) * z1;\n",
|
|
" k1 -= zNSign * PRIME_Z;\n",
|
|
" }\n",
|
|
"\n",
|
|
" if (b > 0.0)\n",
|
|
" {\n",
|
|
" value += (b * b) * (b * b) * _fnlGradCoord3D(seed, i1, j1, k1, x1, y1, z1);\n",
|
|
" }\n",
|
|
"\n",
|
|
" if (l == 1) break;\n",
|
|
"\n",
|
|
" ax0 = 0.5f - ax0;\n",
|
|
" ay0 = 0.5f - ay0;\n",
|
|
" az0 = 0.5f - az0;\n",
|
|
"\n",
|
|
" x0 = float(xNSign) * ax0;\n",
|
|
" y0 = float(yNSign) * ay0;\n",
|
|
" z0 = float(zNSign) * az0;\n",
|
|
"\n",
|
|
" a += (0.75f - ax0) - (ay0 + az0);\n",
|
|
"\n",
|
|
" i += (xNSign >> 1) & PRIME_X;\n",
|
|
" j += (yNSign >> 1) & PRIME_Y;\n",
|
|
" k += (zNSign >> 1) & PRIME_Z;\n",
|
|
"\n",
|
|
" xNSign = -xNSign;\n",
|
|
" yNSign = -yNSign;\n",
|
|
" zNSign = -zNSign;\n",
|
|
"\n",
|
|
" seed = ~seed;\n",
|
|
" }\n",
|
|
"\n",
|
|
" return value * 32.69428253173828125f;\n",
|
|
"}\n",
|
|
"\n",
|
|
"float _fnlSingleOpenSimplex2S3D(int seed, float /*FNLfloat*/ x, float /*FNLfloat*/ y, float /*FNLfloat*/ z)\n",
|
|
"{\n",
|
|
" // 3D OpenSimplex2S case uses two offset rotated cube grids.\n",
|
|
"\n",
|
|
" /*\n",
|
|
" * --- Rotation moved to TransformNoiseCoordinate method ---\n",
|
|
" * const FNLfloat R3 = (FNLfloat)(2.0 / 3.0);\n",
|
|
" * FNLfloat r = (x + y + z) * R3; // Rotation, not skew\n",
|
|
" * x = r - x; y = r - y; z = r - z;\n",
|
|
" */\n",
|
|
"\n",
|
|
" int i = _fnlFastFloor(x);\n",
|
|
" int j = _fnlFastFloor(y);\n",
|
|
" int k = _fnlFastFloor(z);\n",
|
|
" float xi = float(x - float(i));\n",
|
|
" float yi = float(y - float(j));\n",
|
|
" float zi = float(z - float(k));\n",
|
|
"\n",
|
|
" i *= PRIME_X;\n",
|
|
" j *= PRIME_Y;\n",
|
|
" k *= PRIME_Z;\n",
|
|
" int seed2 = seed + 1293373;\n",
|
|
"\n",
|
|
" int xNMask = int(-0.5f - xi);\n",
|
|
" int yNMask = int(-0.5f - yi);\n",
|
|
" int zNMask = int(-0.5f - zi);\n",
|
|
"\n",
|
|
" float x0 = xi + float(xNMask);\n",
|
|
" float y0 = yi + float(yNMask);\n",
|
|
" float z0 = zi + float(zNMask);\n",
|
|
" float a0 = 0.75f - x0 * x0 - y0 * y0 - z0 * z0;\n",
|
|
" float value = (a0 * a0) * (a0 * a0) * _fnlGradCoord3D(seed,\n",
|
|
" i + (xNMask & PRIME_X), j + (yNMask & PRIME_Y), k + (zNMask & PRIME_Z), x0, y0, z0);\n",
|
|
"\n",
|
|
" float x1 = xi - 0.5f;\n",
|
|
" float y1 = yi - 0.5f;\n",
|
|
" float z1 = zi - 0.5f;\n",
|
|
" float a1 = 0.75f - x1 * x1 - y1 * y1 - z1 * z1;\n",
|
|
" value += (a1 * a1) * (a1 * a1) * _fnlGradCoord3D(seed2,\n",
|
|
" i + PRIME_X, j + PRIME_Y, k + PRIME_Z, x1, y1, z1);\n",
|
|
"\n",
|
|
" float xAFlipMask0 = float((xNMask | 1) << 1) * x1;\n",
|
|
" float yAFlipMask0 = float((yNMask | 1) << 1) * y1;\n",
|
|
" float zAFlipMask0 = float((zNMask | 1) << 1) * z1;\n",
|
|
" float xAFlipMask1 = float(-2 - (xNMask << 2)) * x1 - 1.0f;\n",
|
|
" float yAFlipMask1 = float(-2 - (yNMask << 2)) * y1 - 1.0f;\n",
|
|
" float zAFlipMask1 = float(-2 - (zNMask << 2)) * z1 - 1.0f;\n",
|
|
"\n",
|
|
" bool skip5 = false;\n",
|
|
" float a2 = xAFlipMask0 + a0;\n",
|
|
" if (a2 > 0.0)\n",
|
|
" {\n",
|
|
" float x2 = x0 - float(xNMask | 1);\n",
|
|
" float y2 = y0;\n",
|
|
" float z2 = z0;\n",
|
|
" value += (a2 * a2) * (a2 * a2) * _fnlGradCoord3D(seed,\n",
|
|
" i + (~xNMask & PRIME_X), j + (yNMask & PRIME_Y), k + (zNMask & PRIME_Z), x2, y2, z2);\n",
|
|
" }\n",
|
|
" else\n",
|
|
" {\n",
|
|
" float a3 = yAFlipMask0 + zAFlipMask0 + a0;\n",
|
|
" if (a3 > 0.0)\n",
|
|
" {\n",
|
|
" float x3 = x0;\n",
|
|
" float y3 = y0 - float(yNMask | 1);\n",
|
|
" float z3 = z0 - float(zNMask | 1);\n",
|
|
" value += (a3 * a3) * (a3 * a3) * _fnlGradCoord3D(seed,\n",
|
|
" i + (xNMask & PRIME_X), j + (~yNMask & PRIME_Y), k + (~zNMask & PRIME_Z), x3, y3, z3);\n",
|
|
" }\n",
|
|
"\n",
|
|
" float a4 = xAFlipMask1 + a1;\n",
|
|
" if (a4 > 0.0)\n",
|
|
" {\n",
|
|
" float x4 = float(xNMask | 1) + x1;\n",
|
|
" float y4 = y1;\n",
|
|
" float z4 = z1;\n",
|
|
" value += (a4 * a4) * (a4 * a4) * _fnlGradCoord3D(seed2,\n",
|
|
" i + (xNMask & (PRIME_X * 2)), j + PRIME_Y, k + PRIME_Z, x4, y4, z4);\n",
|
|
" skip5 = true;\n",
|
|
" }\n",
|
|
" }\n",
|
|
"\n",
|
|
" bool skip9 = false;\n",
|
|
" float a6 = yAFlipMask0 + a0;\n",
|
|
" if (a6 > 0.0)\n",
|
|
" {\n",
|
|
" float x6 = x0;\n",
|
|
" float y6 = y0 - float(yNMask | 1);\n",
|
|
" float z6 = z0;\n",
|
|
" value += (a6 * a6) * (a6 * a6) * _fnlGradCoord3D(seed,\n",
|
|
" i + (xNMask & PRIME_X), j + (~yNMask & PRIME_Y), k + (zNMask & PRIME_Z), x6, y6, z6);\n",
|
|
" }\n",
|
|
" else\n",
|
|
" {\n",
|
|
" float a7 = xAFlipMask0 + zAFlipMask0 + a0;\n",
|
|
" if (a7 > 0.0)\n",
|
|
" {\n",
|
|
" float x7 = x0 - float(xNMask | 1);\n",
|
|
" float y7 = y0;\n",
|
|
" float z7 = z0 - float(zNMask | 1);\n",
|
|
" value += (a7 * a7) * (a7 * a7) * _fnlGradCoord3D(seed,\n",
|
|
" i + (~xNMask & PRIME_X), j + (yNMask & PRIME_Y), k + (~zNMask & PRIME_Z), x7, y7, z7);\n",
|
|
" }\n",
|
|
"\n",
|
|
" float a8 = yAFlipMask1 + a1;\n",
|
|
" if (a8 > 0.0)\n",
|
|
" {\n",
|
|
" float x8 = x1;\n",
|
|
" float y8 = float(yNMask | 1) + y1;\n",
|
|
" float z8 = z1;\n",
|
|
" value += (a8 * a8) * (a8 * a8) * _fnlGradCoord3D(seed2,\n",
|
|
" i + PRIME_X, j + (yNMask & (PRIME_Y << 1)), k + PRIME_Z, x8, y8, z8);\n",
|
|
" skip9 = true;\n",
|
|
" }\n",
|
|
" }\n",
|
|
"\n",
|
|
" bool skipD = false;\n",
|
|
" float aA = zAFlipMask0 + a0;\n",
|
|
" if (aA > 0.0)\n",
|
|
" {\n",
|
|
" float xA = x0;\n",
|
|
" float yA = y0;\n",
|
|
" float zA = z0 - float(zNMask | 1);\n",
|
|
" value += (aA * aA) * (aA * aA) * _fnlGradCoord3D(seed,\n",
|
|
" i + (xNMask & PRIME_X), j + (yNMask & PRIME_Y), k + (~zNMask & PRIME_Z), xA, yA, zA);\n",
|
|
" }\n",
|
|
" else\n",
|
|
" {\n",
|
|
" float aB = xAFlipMask0 + yAFlipMask0 + a0;\n",
|
|
" if (aB > 0.0)\n",
|
|
" {\n",
|
|
" float xB = x0 - float(xNMask | 1);\n",
|
|
" float yB = y0 - float(yNMask | 1);\n",
|
|
" float zB = z0;\n",
|
|
" value += (aB * aB) * (aB * aB) * _fnlGradCoord3D(seed,\n",
|
|
" i + (~xNMask & PRIME_X), j + (~yNMask & PRIME_Y), k + (zNMask & PRIME_Z), xB, yB, zB);\n",
|
|
" }\n",
|
|
"\n",
|
|
" float aC = zAFlipMask1 + a1;\n",
|
|
" if (aC > 0.0)\n",
|
|
" {\n",
|
|
" float xC = x1;\n",
|
|
" float yC = y1;\n",
|
|
" float zC = float(zNMask | 1) + z1;\n",
|
|
" value += (aC * aC) * (aC * aC) * _fnlGradCoord3D(seed2,\n",
|
|
" i + PRIME_X, j + PRIME_Y, k + (zNMask & (PRIME_Z << 1)), xC, yC, zC);\n",
|
|
" skipD = true;\n",
|
|
" }\n",
|
|
" }\n",
|
|
"\n",
|
|
" if (!skip5)\n",
|
|
" {\n",
|
|
" float a5 = yAFlipMask1 + zAFlipMask1 + a1;\n",
|
|
" if (a5 > 0.0)\n",
|
|
" {\n",
|
|
" float x5 = x1;\n",
|
|
" float y5 = float(yNMask | 1) + y1;\n",
|
|
" float z5 = float(zNMask | 1) + z1;\n",
|
|
" value += (a5 * a5) * (a5 * a5) * _fnlGradCoord3D(seed2,\n",
|
|
" i + PRIME_X, j + (yNMask & (PRIME_Y << 1)), k + (zNMask & (PRIME_Z << 1)), x5, y5, z5);\n",
|
|
" }\n",
|
|
" }\n",
|
|
"\n",
|
|
" if (!skip9)\n",
|
|
" {\n",
|
|
" float a9 = xAFlipMask1 + zAFlipMask1 + a1;\n",
|
|
" if (a9 > 0.0)\n",
|
|
" {\n",
|
|
" float x9 = float(xNMask | 1) + x1;\n",
|
|
" float y9 = y1;\n",
|
|
" float z9 = float(zNMask | 1) + z1;\n",
|
|
" value += (a9 * a9) * (a9 * a9) * _fnlGradCoord3D(seed2,\n",
|
|
" i + (xNMask & (PRIME_X * 2)), j + PRIME_Y, k + (zNMask & (PRIME_Z << 1)), x9, y9, z9);\n",
|
|
" }\n",
|
|
" }\n",
|
|
"\n",
|
|
" if (!skipD)\n",
|
|
" {\n",
|
|
" float aD = xAFlipMask1 + yAFlipMask1 + a1;\n",
|
|
" if (aD > 0.0)\n",
|
|
" {\n",
|
|
" float xD = float(xNMask | 1) + x1;\n",
|
|
" float yD = float(yNMask | 1) + y1;\n",
|
|
" float zD = z1;\n",
|
|
" value += (aD * aD) * (aD * aD) * _fnlGradCoord3D(seed2,\n",
|
|
" i + (xNMask & (PRIME_X << 1)), j + (yNMask & (PRIME_Y << 1)), k + PRIME_Z, xD, yD, zD);\n",
|
|
" }\n",
|
|
" }\n",
|
|
"\n",
|
|
" return value * 9.046026385208288f;\n",
|
|
"}\n",
|
|
"\n",
|
|
"float _fnlSingleCellular3D(fnl_state state, int seed, float /*FNLfloat*/ x, float /*FNLfloat*/ y, float /*FNLfloat*/ z)\n",
|
|
"{\n",
|
|
" int xr = _fnlFastRound(x);\n",
|
|
" int yr = _fnlFastRound(y);\n",
|
|
" int zr = _fnlFastRound(z);\n",
|
|
"\n",
|
|
" float distance0 = 1e10f;\n",
|
|
" float distance1 = 1e10f;\n",
|
|
" int closestHash = 0;\n",
|
|
"\n",
|
|
" float cellularJitter = 0.39614353f * state.cellular_jitter_mod;\n",
|
|
"\n",
|
|
" int xPrimed = (xr - 1) * PRIME_X;\n",
|
|
" int yPrimedBase = (yr - 1) * PRIME_Y;\n",
|
|
" int zPrimedBase = (zr - 1) * PRIME_Z;\n",
|
|
"\n",
|
|
" switch (state.cellular_distance_func)\n",
|
|
" {\n",
|
|
" //default:\n",
|
|
" case 0://FNL_CELLULAR_DISTANCE_EUCLIDEAN:\n",
|
|
" case 1://FNL_CELLULAR_DISTANCE_EUCLIDEANSQ:\n",
|
|
" {\n",
|
|
" for (int xi = xr - 1; xi <= xr + 1; xi++)\n",
|
|
" {\n",
|
|
" int yPrimed = yPrimedBase;\n",
|
|
"\n",
|
|
" for (int yi = yr - 1; yi <= yr + 1; yi++)\n",
|
|
" {\n",
|
|
" int zPrimed = zPrimedBase;\n",
|
|
"\n",
|
|
" for (int zi = zr - 1; zi <= zr + 1; zi++)\n",
|
|
" {\n",
|
|
" int hash = _fnlHash3D(seed, xPrimed, yPrimed, zPrimed);\n",
|
|
" int idx = hash & (255 << 2);\n",
|
|
"\n",
|
|
" float vecX = float(float(xi) - x) + RAND_VECS_3D[idx] * cellularJitter;\n",
|
|
" float vecY = float(float(yi) - y) + RAND_VECS_3D[idx | 1] * cellularJitter;\n",
|
|
" float vecZ = float(float(zi) - z) + RAND_VECS_3D[idx | 2] * cellularJitter;\n",
|
|
"\n",
|
|
" float newDistance = vecX * vecX + vecY * vecY + vecZ * vecZ;\n",
|
|
"\n",
|
|
" distance1 = _fnlFastMax(_fnlFastMin(distance1, newDistance), distance0);\n",
|
|
" if (newDistance < distance0)\n",
|
|
" {\n",
|
|
" distance0 = newDistance;\n",
|
|
" closestHash = hash;\n",
|
|
" }\n",
|
|
" zPrimed += PRIME_Z;\n",
|
|
" }\n",
|
|
" yPrimed += PRIME_Y;\n",
|
|
" }\n",
|
|
" xPrimed += PRIME_X;\n",
|
|
" }\n",
|
|
" break;\n",
|
|
" }\n",
|
|
" case 2://FNL_CELLULAR_DISTANCE_MANHATTAN:\n",
|
|
" {\n",
|
|
" for (int xi = xr - 1; xi <= xr + 1; xi++)\n",
|
|
" {\n",
|
|
" int yPrimed = yPrimedBase;\n",
|
|
"\n",
|
|
" for (int yi = yr - 1; yi <= yr + 1; yi++)\n",
|
|
" {\n",
|
|
" int zPrimed = zPrimedBase;\n",
|
|
"\n",
|
|
" for (int zi = zr - 1; zi <= zr + 1; zi++)\n",
|
|
" {\n",
|
|
" int hash = _fnlHash3D(seed, xPrimed, yPrimed, zPrimed);\n",
|
|
" int idx = hash & (255 << 2);\n",
|
|
"\n",
|
|
" float vecX = float(float(xi) - x) + RAND_VECS_3D[idx] * cellularJitter;\n",
|
|
" float vecY = float(float(yi) - y) + RAND_VECS_3D[idx | 1] * cellularJitter;\n",
|
|
" float vecZ = float(float(zi) - z) + RAND_VECS_3D[idx | 2] * cellularJitter;\n",
|
|
"\n",
|
|
" float newDistance = _fnlFastAbs(vecX) + _fnlFastAbs(vecY) + _fnlFastAbs(vecZ);\n",
|
|
"\n",
|
|
" distance1 = _fnlFastMax(_fnlFastMin(distance1, newDistance), distance0);\n",
|
|
" if (newDistance < distance0)\n",
|
|
" {\n",
|
|
" distance0 = newDistance;\n",
|
|
" closestHash = hash;\n",
|
|
" }\n",
|
|
" zPrimed += PRIME_Z;\n",
|
|
" }\n",
|
|
" yPrimed += PRIME_Y;\n",
|
|
" }\n",
|
|
" xPrimed += PRIME_X;\n",
|
|
" }\n",
|
|
" break;\n",
|
|
" }\n",
|
|
" case 3://FNL_CELLULAR_DISTANCE_HYBRID:\n",
|
|
" {\n",
|
|
" for (int xi = xr - 1; xi <= xr + 1; xi++)\n",
|
|
" {\n",
|
|
" int yPrimed = yPrimedBase;\n",
|
|
"\n",
|
|
" for (int yi = yr - 1; yi <= yr + 1; yi++)\n",
|
|
" {\n",
|
|
" int zPrimed = zPrimedBase;\n",
|
|
"\n",
|
|
" for (int zi = zr - 1; zi <= zr + 1; zi++)\n",
|
|
" {\n",
|
|
" int hash = _fnlHash3D(seed, xPrimed, yPrimed, zPrimed);\n",
|
|
" int idx = hash & (255 << 2);\n",
|
|
"\n",
|
|
" float vecX = float(float(xi) - x) + RAND_VECS_3D[idx] * cellularJitter;\n",
|
|
" float vecY = float(float(yi) - y) + RAND_VECS_3D[idx | 1] * cellularJitter;\n",
|
|
" float vecZ = float(float(zi) - z) + RAND_VECS_3D[idx | 2] * cellularJitter;\n",
|
|
"\n",
|
|
" float newDistance = (_fnlFastAbs(vecX) + _fnlFastAbs(vecY) + _fnlFastAbs(vecZ)) + (vecX * vecX + vecY * vecY + vecZ * vecZ);\n",
|
|
"\n",
|
|
" distance1 = _fnlFastMax(_fnlFastMin(distance1, newDistance), distance0);\n",
|
|
" if (newDistance < distance0)\n",
|
|
" {\n",
|
|
" distance0 = newDistance;\n",
|
|
" closestHash = hash;\n",
|
|
" }\n",
|
|
" zPrimed += PRIME_Z;\n",
|
|
" }\n",
|
|
" yPrimed += PRIME_Y;\n",
|
|
" }\n",
|
|
" xPrimed += PRIME_X;\n",
|
|
" }\n",
|
|
" break;\n",
|
|
" }\n",
|
|
" }\n",
|
|
"\n",
|
|
" if (state.cellular_distance_func == FNL_CELLULAR_DISTANCE_EUCLIDEAN && state.cellular_return_type >= FNL_CELLULAR_RETURN_TYPE_DISTANCE)\n",
|
|
" {\n",
|
|
" distance0 = _fnlFastSqrt(distance0);\n",
|
|
" if (state.cellular_return_type >= FNL_CELLULAR_RETURN_TYPE_DISTANCE2)\n",
|
|
" distance1 = _fnlFastSqrt(distance1);\n",
|
|
" }\n",
|
|
"\n",
|
|
" switch (state.cellular_return_type)\n",
|
|
" {\n",
|
|
" case 0://FNL_CELLULAR_RETURN_TYPE_CELLVALUE:\n",
|
|
" return float(closestHash) * (1.0 / 2147483648.0f);\n",
|
|
" case 1://FNL_CELLULAR_RETURN_TYPE_DISTANCE:\n",
|
|
" return distance0 - 1.0;\n",
|
|
" case 2://FNL_CELLULAR_RETURN_TYPE_DISTANCE2:\n",
|
|
" return distance1 - 1.0;\n",
|
|
" case 3://FNL_CELLULAR_RETURN_TYPE_DISTANCE2ADD:\n",
|
|
" return (distance1 + distance0) * 0.5f - 1.0;\n",
|
|
" case 4://FNL_CELLULAR_RETURN_TYPE_DISTANCE2SUB:\n",
|
|
" return distance1 - distance0 - 1.0;\n",
|
|
" case 5://FNL_CELLULAR_RETURN_TYPE_DISTANCE2MUL:\n",
|
|
" return distance1 * distance0 * 0.5f - 1.0;\n",
|
|
" case 6://FNL_CELLULAR_RETURN_TYPE_DISTANCE2DIV:\n",
|
|
" return distance0 / distance1 - 1.0;\n",
|
|
" default:\n",
|
|
" return 0.0;\n",
|
|
" }\n",
|
|
"}\n",
|
|
"\n",
|
|
"float _fnlSinglePerlin3D(int seed, float /*FNLfloat*/ x, float /*FNLfloat*/ y, float /*FNLfloat*/ z)\n",
|
|
"{\n",
|
|
" int x0 = _fnlFastFloor(x);\n",
|
|
" int y0 = _fnlFastFloor(y);\n",
|
|
" int z0 = _fnlFastFloor(z);\n",
|
|
"\n",
|
|
" float xd0 = float(x - float(x0));\n",
|
|
" float yd0 = float(y - float(y0));\n",
|
|
" float zd0 = float(z - float(z0));\n",
|
|
" float xd1 = xd0 - 1.0;\n",
|
|
" float yd1 = yd0 - 1.0;\n",
|
|
" float zd1 = zd0 - 1.0;\n",
|
|
"\n",
|
|
" float xs = _fnlInterpQuintic(xd0);\n",
|
|
" float ys = _fnlInterpQuintic(yd0);\n",
|
|
" float zs = _fnlInterpQuintic(zd0);\n",
|
|
"\n",
|
|
" x0 *= PRIME_X;\n",
|
|
" y0 *= PRIME_Y;\n",
|
|
" z0 *= PRIME_Z;\n",
|
|
" int x1 = x0 + PRIME_X;\n",
|
|
" int y1 = y0 + PRIME_Y;\n",
|
|
" int z1 = z0 + PRIME_Z;\n",
|
|
"\n",
|
|
" float xf00 = _fnlLerp(_fnlGradCoord3D(seed, x0, y0, z0, xd0, yd0, zd0), _fnlGradCoord3D(seed, x1, y0, z0, xd1, yd0, zd0), xs);\n",
|
|
" float xf10 = _fnlLerp(_fnlGradCoord3D(seed, x0, y1, z0, xd0, yd1, zd0), _fnlGradCoord3D(seed, x1, y1, z0, xd1, yd1, zd0), xs);\n",
|
|
" float xf01 = _fnlLerp(_fnlGradCoord3D(seed, x0, y0, z1, xd0, yd0, zd1), _fnlGradCoord3D(seed, x1, y0, z1, xd1, yd0, zd1), xs);\n",
|
|
" float xf11 = _fnlLerp(_fnlGradCoord3D(seed, x0, y1, z1, xd0, yd1, zd1), _fnlGradCoord3D(seed, x1, y1, z1, xd1, yd1, zd1), xs);\n",
|
|
"\n",
|
|
" float yf0 = _fnlLerp(xf00, xf10, ys);\n",
|
|
" float yf1 = _fnlLerp(xf01, xf11, ys);\n",
|
|
"\n",
|
|
" return _fnlLerp(yf0, yf1, zs) * 0.964921414852142333984375f;\n",
|
|
"}\n",
|
|
"\n",
|
|
"float _fnlSingleValueCubic3D(int seed, float /*FNLfloat*/ x, float /*FNLfloat*/ y, float /*FNLfloat*/ z)\n",
|
|
"{\n",
|
|
" int x1 = _fnlFastFloor(x);\n",
|
|
" int y1 = _fnlFastFloor(y);\n",
|
|
" int z1 = _fnlFastFloor(z);\n",
|
|
"\n",
|
|
" float xs = x - float(x1);\n",
|
|
" float ys = y - float(y1);\n",
|
|
" float zs = z - float(z1);\n",
|
|
"\n",
|
|
" x1 *= PRIME_X;\n",
|
|
" y1 *= PRIME_Y;\n",
|
|
" z1 *= PRIME_Z;\n",
|
|
"\n",
|
|
" int x0 = x1 - PRIME_X;\n",
|
|
" int y0 = y1 - PRIME_Y;\n",
|
|
" int z0 = z1 - PRIME_Z;\n",
|
|
" int x2 = x1 + PRIME_X;\n",
|
|
" int y2 = y1 + PRIME_Y;\n",
|
|
" int z2 = z1 + PRIME_Z;\n",
|
|
" int x3 = x1 + PRIME_X * 2;\n",
|
|
" int y3 = y1 + PRIME_Y * 2;\n",
|
|
" int z3 = z1 + PRIME_Z * 2;\n",
|
|
"\n",
|
|
" return _fnlCubicLerp(\n",
|
|
" _fnlCubicLerp(\n",
|
|
" _fnlCubicLerp(_fnlValCoord3D(seed, x0, y0, z0), _fnlValCoord3D(seed, x1, y0, z0), _fnlValCoord3D(seed, x2, y0, z0), _fnlValCoord3D(seed, x3, y0, z0), xs),\n",
|
|
" _fnlCubicLerp(_fnlValCoord3D(seed, x0, y1, z0), _fnlValCoord3D(seed, x1, y1, z0), _fnlValCoord3D(seed, x2, y1, z0), _fnlValCoord3D(seed, x3, y1, z0), xs),\n",
|
|
" _fnlCubicLerp(_fnlValCoord3D(seed, x0, y2, z0), _fnlValCoord3D(seed, x1, y2, z0), _fnlValCoord3D(seed, x2, y2, z0), _fnlValCoord3D(seed, x3, y2, z0), xs),\n",
|
|
" _fnlCubicLerp(_fnlValCoord3D(seed, x0, y3, z0), _fnlValCoord3D(seed, x1, y3, z0), _fnlValCoord3D(seed, x2, y3, z0), _fnlValCoord3D(seed, x3, y3, z0), xs),\n",
|
|
" ys),\n",
|
|
" _fnlCubicLerp(\n",
|
|
" _fnlCubicLerp(_fnlValCoord3D(seed, x0, y0, z1), _fnlValCoord3D(seed, x1, y0, z1), _fnlValCoord3D(seed, x2, y0, z1), _fnlValCoord3D(seed, x3, y0, z1), xs),\n",
|
|
" _fnlCubicLerp(_fnlValCoord3D(seed, x0, y1, z1), _fnlValCoord3D(seed, x1, y1, z1), _fnlValCoord3D(seed, x2, y1, z1), _fnlValCoord3D(seed, x3, y1, z1), xs),\n",
|
|
" _fnlCubicLerp(_fnlValCoord3D(seed, x0, y2, z1), _fnlValCoord3D(seed, x1, y2, z1), _fnlValCoord3D(seed, x2, y2, z1), _fnlValCoord3D(seed, x3, y2, z1), xs),\n",
|
|
" _fnlCubicLerp(_fnlValCoord3D(seed, x0, y3, z1), _fnlValCoord3D(seed, x1, y3, z1), _fnlValCoord3D(seed, x2, y3, z1), _fnlValCoord3D(seed, x3, y3, z1), xs),\n",
|
|
" ys),\n",
|
|
" _fnlCubicLerp(\n",
|
|
" _fnlCubicLerp(_fnlValCoord3D(seed, x0, y0, z2), _fnlValCoord3D(seed, x1, y0, z2), _fnlValCoord3D(seed, x2, y0, z2), _fnlValCoord3D(seed, x3, y0, z2), xs),\n",
|
|
" _fnlCubicLerp(_fnlValCoord3D(seed, x0, y1, z2), _fnlValCoord3D(seed, x1, y1, z2), _fnlValCoord3D(seed, x2, y1, z2), _fnlValCoord3D(seed, x3, y1, z2), xs),\n",
|
|
" _fnlCubicLerp(_fnlValCoord3D(seed, x0, y2, z2), _fnlValCoord3D(seed, x1, y2, z2), _fnlValCoord3D(seed, x2, y2, z2), _fnlValCoord3D(seed, x3, y2, z2), xs),\n",
|
|
" _fnlCubicLerp(_fnlValCoord3D(seed, x0, y3, z2), _fnlValCoord3D(seed, x1, y3, z2), _fnlValCoord3D(seed, x2, y3, z2), _fnlValCoord3D(seed, x3, y3, z2), xs),\n",
|
|
" ys),\n",
|
|
" _fnlCubicLerp(\n",
|
|
" _fnlCubicLerp(_fnlValCoord3D(seed, x0, y0, z3), _fnlValCoord3D(seed, x1, y0, z3), _fnlValCoord3D(seed, x2, y0, z3), _fnlValCoord3D(seed, x3, y0, z3), xs),\n",
|
|
" _fnlCubicLerp(_fnlValCoord3D(seed, x0, y1, z3), _fnlValCoord3D(seed, x1, y1, z3), _fnlValCoord3D(seed, x2, y1, z3), _fnlValCoord3D(seed, x3, y1, z3), xs),\n",
|
|
" _fnlCubicLerp(_fnlValCoord3D(seed, x0, y2, z3), _fnlValCoord3D(seed, x1, y2, z3), _fnlValCoord3D(seed, x2, y2, z3), _fnlValCoord3D(seed, x3, y2, z3), xs),\n",
|
|
" _fnlCubicLerp(_fnlValCoord3D(seed, x0, y3, z3), _fnlValCoord3D(seed, x1, y3, z3), _fnlValCoord3D(seed, x2, y3, z3), _fnlValCoord3D(seed, x3, y3, z3), xs),\n",
|
|
" ys),\n",
|
|
" zs) * (1.0 / 1.5f * 1.5f * 1.5f);\n",
|
|
"}\n",
|
|
"\n",
|
|
"float _fnlSingleValue3D(int seed, float /*FNLfloat*/ x, float /*FNLfloat*/ y, float /*FNLfloat*/ z)\n",
|
|
"{\n",
|
|
" int x0 = _fnlFastFloor(x);\n",
|
|
" int y0 = _fnlFastFloor(y);\n",
|
|
" int z0 = _fnlFastFloor(z);\n",
|
|
"\n",
|
|
" float xs = _fnlInterpHermite(float(x - float(x0)));\n",
|
|
" float ys = _fnlInterpHermite(float(y - float(y0)));\n",
|
|
" float zs = _fnlInterpHermite(float(z - float(z0)));\n",
|
|
"\n",
|
|
" x0 *= PRIME_X;\n",
|
|
" y0 *= PRIME_Y;\n",
|
|
" z0 *= PRIME_Z;\n",
|
|
" int x1 = x0 + PRIME_X;\n",
|
|
" int y1 = y0 + PRIME_Y;\n",
|
|
" int z1 = z0 + PRIME_Z;\n",
|
|
"\n",
|
|
" float xf00 = _fnlLerp(_fnlValCoord3D(seed, x0, y0, z0), _fnlValCoord3D(seed, x1, y0, z0), xs);\n",
|
|
" float xf10 = _fnlLerp(_fnlValCoord3D(seed, x0, y1, z0), _fnlValCoord3D(seed, x1, y1, z0), xs);\n",
|
|
" float xf01 = _fnlLerp(_fnlValCoord3D(seed, x0, y0, z1), _fnlValCoord3D(seed, x1, y0, z1), xs);\n",
|
|
" float xf11 = _fnlLerp(_fnlValCoord3D(seed, x0, y1, z1), _fnlValCoord3D(seed, x1, y1, z1), xs);\n",
|
|
"\n",
|
|
" float yf0 = _fnlLerp(xf00, xf10, ys);\n",
|
|
" float yf1 = _fnlLerp(xf01, xf11, ys);\n",
|
|
"\n",
|
|
" return _fnlLerp(yf0, yf1, zs);\n",
|
|
"}\n",
|
|
"\n",
|
|
"float _fnlGenNoiseSingle3D(fnl_state state, int seed, float /*FNLfloat*/ x, float /*FNLfloat*/ y, float /*FNLfloat*/ z)\n",
|
|
"{\n",
|
|
" switch (state.noise_type)\n",
|
|
" {\n",
|
|
" case 0://FNL_NOISE_OPENSIMPLEX2:\n",
|
|
" return _fnlSingleOpenSimplex23D(seed, x, y, z);\n",
|
|
" case 1://FNL_NOISE_OPENSIMPLEX2S:\n",
|
|
" return _fnlSingleOpenSimplex2S3D(seed, x, y, z);\n",
|
|
" case 2://FNL_NOISE_CELLULAR:\n",
|
|
" return _fnlSingleCellular3D(state, seed, x, y, z);\n",
|
|
" case 3://FNL_NOISE_PERLIN:\n",
|
|
" return _fnlSinglePerlin3D(seed, x, y, z);\n",
|
|
" case 4://FNL_NOISE_VALUE_CUBIC:\n",
|
|
" return _fnlSingleValueCubic3D(seed, x, y, z);\n",
|
|
" case 5://FNL_NOISE_VALUE:\n",
|
|
" return _fnlSingleValue3D(seed, x, y, z);\n",
|
|
" default:\n",
|
|
" return 0.0;\n",
|
|
" }\n",
|
|
"}\n",
|
|
"\n",
|
|
"// Noise Coordinate Transforms (frequency, and possible skew or rotation)\n",
|
|
"\n",
|
|
"void _fnlTransformNoiseCoordinate2D(fnl_state state, inout float /*FNLfloat*/ x, inout float /*FNLfloat*/ y)\n",
|
|
"{\n",
|
|
" x *= state.frequency;\n",
|
|
" y *= state.frequency;\n",
|
|
"\n",
|
|
" switch (state.noise_type)\n",
|
|
" {\n",
|
|
" case 0://FNL_NOISE_OPENSIMPLEX2:\n",
|
|
" case 1://FNL_NOISE_OPENSIMPLEX2S:\n",
|
|
" {\n",
|
|
" const float /*FNLfloat*/ SQRT3 = /*(FNLfloat)*/ float(1.7320508075688772935274463415059);\n",
|
|
" const float /*FNLfloat*/ F2 = 0.5f * (SQRT3 - 1.0);\n",
|
|
" float /*FNLfloat*/ t = (x + y) * F2;\n",
|
|
" x += t;\n",
|
|
" y += t;\n",
|
|
" }\n",
|
|
" break;\n",
|
|
" default:\n",
|
|
" break;\n",
|
|
" }\n",
|
|
"}\n",
|
|
"\n",
|
|
"void _fnlTransformNoiseCoordinate3D(fnl_state state, inout float /*FNLfloat*/ x, inout float /*FNLfloat*/ y, inout float /*FNLfloat*/ z)\n",
|
|
"{\n",
|
|
" x *= state.frequency;\n",
|
|
" y *= state.frequency;\n",
|
|
" z *= state.frequency;\n",
|
|
"\n",
|
|
" switch (state.rotation_type_3d)\n",
|
|
" {\n",
|
|
" case 1://FNL_ROTATION_IMPROVE_XY_PLANES:\n",
|
|
" {\n",
|
|
" float /*FNLfloat*/ xy = x + y;\n",
|
|
" float /*FNLfloat*/ s2 = xy * -float(/*(FNLfloat)*/0.211324865405187);\n",
|
|
" z *= /*(FNLfloat)*/float(0.577350269189626);\n",
|
|
" x += s2 - z;\n",
|
|
" y = y + s2 - z;\n",
|
|
" z += xy * /*(FNLfloat)*/float(0.577350269189626);\n",
|
|
" }\n",
|
|
" break;\n",
|
|
" case 2://FNL_ROTATION_IMPROVE_XZ_PLANES:\n",
|
|
" {\n",
|
|
" float /*FNLfloat*/ xz = x + z;\n",
|
|
" float /*FNLfloat*/ s2 = xz * -float(/*(FNLfloat)*/0.211324865405187);\n",
|
|
" y *= float(/*(FNLfloat)*/0.577350269189626);\n",
|
|
" x += s2 - y;\n",
|
|
" z += s2 - y;\n",
|
|
" y += xz * float(/*(FNLfloat)*/0.577350269189626);\n",
|
|
" }\n",
|
|
" break;\n",
|
|
" default:\n",
|
|
" switch (state.noise_type)\n",
|
|
" {\n",
|
|
" case 0://FNL_NOISE_OPENSIMPLEX2:\n",
|
|
" case 1://FNL_NOISE_OPENSIMPLEX2S:\n",
|
|
" {\n",
|
|
" const float /*FNLfloat*/ R3 = float(/*(FNLfloat)*/(2.0 / 3.0));\n",
|
|
" float /*FNLfloat*/ r = (x + y + z) * R3; // Rotation, not skew\n",
|
|
" x = r - x;\n",
|
|
" y = r - y;\n",
|
|
" z = r - z;\n",
|
|
" }\n",
|
|
" break;\n",
|
|
" default:\n",
|
|
" break;\n",
|
|
" }\n",
|
|
" break;\n",
|
|
" }\n",
|
|
"}\n",
|
|
"\n",
|
|
"// Domain Warp Coordinate Transforms\n",
|
|
"\n",
|
|
"void _fnlTransformDomainWarpCoordinate2D(fnl_state state, inout float /*FNLfloat*/ x, inout float /*FNLfloat*/ y)\n",
|
|
"{\n",
|
|
" switch (state.domain_warp_type)\n",
|
|
" {\n",
|
|
" case 0://FNL_DOMAIN_WARP_OPENSIMPLEX2:\n",
|
|
" case 1://FNL_DOMAIN_WARP_OPENSIMPLEX2_REDUCED:\n",
|
|
" {\n",
|
|
" const float /*FNLfloat*/ SQRT3 = float(/*(FNLfloat)*/1.7320508075688772935274463415059);\n",
|
|
" const float /*FNLfloat*/ F2 = 0.5f * (SQRT3 - 1.0);\n",
|
|
" float /*FNLfloat*/ t = (x + y) * F2;\n",
|
|
" x += t;\n",
|
|
" y += t;\n",
|
|
" }\n",
|
|
" break;\n",
|
|
" default:\n",
|
|
" break;\n",
|
|
" }\n",
|
|
"}\n",
|
|
"\n",
|
|
"void _fnlTransformDomainWarpCoordinate3D(fnl_state state, inout float /*FNLfloat*/ x, inout float /*FNLfloat*/ y, inout float /*FNLfloat*/ z)\n",
|
|
"{\n",
|
|
" switch (state.rotation_type_3d)\n",
|
|
" {\n",
|
|
" case 1://FNL_ROTATION_IMPROVE_XY_PLANES:\n",
|
|
" {\n",
|
|
" float /*FNLfloat*/ xy = x + y;\n",
|
|
" float /*FNLfloat*/ s2 = xy * -float(/*(FNLfloat)*/0.211324865405187);\n",
|
|
" z *= float(/*(FNLfloat)*/0.577350269189626);\n",
|
|
" x += s2 - z;\n",
|
|
" y = y + s2 - z;\n",
|
|
" z += xy * float(/*(FNLfloat)*/0.577350269189626);\n",
|
|
" }\n",
|
|
" break;\n",
|
|
" case 2://FNL_ROTATION_IMPROVE_XZ_PLANES:\n",
|
|
" {\n",
|
|
" float /*FNLfloat*/ xz = x + z;\n",
|
|
" float /*FNLfloat*/ s2 = xz * -float(/*(FNLfloat)*/0.211324865405187);\n",
|
|
" y *= float(/*(FNLfloat)*/0.577350269189626);\n",
|
|
" x += s2 - y;\n",
|
|
" z += s2 - y;\n",
|
|
" y += xz * float(/*(FNLfloat)*/0.577350269189626);\n",
|
|
" }\n",
|
|
" break;\n",
|
|
" default:\n",
|
|
" switch (state.domain_warp_type)\n",
|
|
" {\n",
|
|
" case 0://FNL_DOMAIN_WARP_OPENSIMPLEX2:\n",
|
|
" case 1://FNL_DOMAIN_WARP_OPENSIMPLEX2_REDUCED:\n",
|
|
" {\n",
|
|
" const float /*FNLfloat*/ R3 = float(/*(FNLfloat)*/(2.0 / 3.0));\n",
|
|
" float /*FNLfloat*/ r = (x + y + z) * R3; // Rotation, not skew\n",
|
|
" x = r - x;\n",
|
|
" y = r - y;\n",
|
|
" z = r - z;\n",
|
|
" }\n",
|
|
" break;\n",
|
|
" default:\n",
|
|
" break;\n",
|
|
" }\n",
|
|
" break;\n",
|
|
" }\n",
|
|
"}\n",
|
|
"\n",
|
|
"// Fractal FBm\n",
|
|
"\n",
|
|
"float _fnlGenFractalFBM2D(fnl_state state, float /*FNLfloat*/ x, float /*FNLfloat*/ y)\n",
|
|
"{\n",
|
|
" int seed = state.seed;\n",
|
|
" float sum = 0.0;\n",
|
|
" float amp = _fnlCalculateFractalBounding(state);\n",
|
|
"\n",
|
|
" for (int i = 0; i < state.octaves; i++)\n",
|
|
" {\n",
|
|
" float noise = _fnlGenNoiseSingle2D(state, seed++, x, y);\n",
|
|
" sum += noise * amp;\n",
|
|
" amp *= _fnlLerp(1.0f, _fnlFastMin(noise + 1.0, 2.0) * 0.5f, state.weighted_strength);\n",
|
|
"\n",
|
|
" x *= state.lacunarity;\n",
|
|
" y *= state.lacunarity;\n",
|
|
" amp *= state.gain;\n",
|
|
" }\n",
|
|
"\n",
|
|
" return sum;\n",
|
|
"}\n",
|
|
"\n",
|
|
"float _fnlGenFractalFBM3D(fnl_state state, float /*FNLfloat*/ x, float /*FNLfloat*/ y, float /*FNLfloat*/ z)\n",
|
|
"{\n",
|
|
" int seed = state.seed;\n",
|
|
" float sum = 0.0;\n",
|
|
" float amp = _fnlCalculateFractalBounding(state);\n",
|
|
"\n",
|
|
" for (int i = 0; i < state.octaves; i++)\n",
|
|
" {\n",
|
|
" float noise = _fnlGenNoiseSingle3D(state, seed++, x, y, z);\n",
|
|
" sum += noise * amp;\n",
|
|
" amp *= _fnlLerp(1.0f, (noise + 1.0) * 0.5f, state.weighted_strength);\n",
|
|
"\n",
|
|
" x *= state.lacunarity;\n",
|
|
" y *= state.lacunarity;\n",
|
|
" z *= state.lacunarity;\n",
|
|
" amp *= state.gain;\n",
|
|
" }\n",
|
|
"\n",
|
|
" return sum;\n",
|
|
"}\n",
|
|
"\n",
|
|
"// Fractal Ridged\n",
|
|
"\n",
|
|
"float _fnlGenFractalRidged2D(fnl_state state, float /*FNLfloat*/ x, float /*FNLfloat*/ y)\n",
|
|
"{\n",
|
|
" int seed = state.seed;\n",
|
|
" float sum = 0.0;\n",
|
|
" float amp = _fnlCalculateFractalBounding(state);\n",
|
|
"\n",
|
|
" for (int i = 0; i < state.octaves; i++)\n",
|
|
" {\n",
|
|
" float noise = _fnlFastAbs(_fnlGenNoiseSingle2D(state, seed++, x, y));\n",
|
|
" sum += (noise * -2.0 + 1.0) * amp;\n",
|
|
" amp *= _fnlLerp(1.0f, 1.0 - noise, state.weighted_strength);\n",
|
|
"\n",
|
|
" x *= state.lacunarity;\n",
|
|
" y *= state.lacunarity;\n",
|
|
" amp *= state.gain;\n",
|
|
" }\n",
|
|
"\n",
|
|
" return sum;\n",
|
|
"}\n",
|
|
"\n",
|
|
"float _fnlGenFractalRidged3D(fnl_state state, float /*FNLfloat*/ x, float /*FNLfloat*/ y, float /*FNLfloat*/ z)\n",
|
|
"{\n",
|
|
" int seed = state.seed;\n",
|
|
" float sum = 0.0;\n",
|
|
" float amp = _fnlCalculateFractalBounding(state);\n",
|
|
"\n",
|
|
" for (int i = 0; i < state.octaves; i++)\n",
|
|
" {\n",
|
|
" float noise = _fnlFastAbs(_fnlGenNoiseSingle3D(state, seed++, x, y, z));\n",
|
|
" sum += (noise * -2.0 + 1.0) * amp;\n",
|
|
" amp *= _fnlLerp(1.0f, 1.0 - noise, state.weighted_strength);\n",
|
|
"\n",
|
|
" x *= state.lacunarity;\n",
|
|
" y *= state.lacunarity;\n",
|
|
" z *= state.lacunarity;\n",
|
|
" amp *= state.gain;\n",
|
|
" }\n",
|
|
"\n",
|
|
" return sum;\n",
|
|
"}\n",
|
|
"\n",
|
|
"// Fractal PingPong\n",
|
|
"\n",
|
|
"float _fnlGenFractalPingPong2D(fnl_state state, float /*FNLfloat*/ x, float /*FNLfloat*/ y)\n",
|
|
"{\n",
|
|
" int seed = state.seed;\n",
|
|
" float sum = 0.0;\n",
|
|
" float amp = _fnlCalculateFractalBounding(state);\n",
|
|
"\n",
|
|
" for (int i = 0; i < state.octaves; i++)\n",
|
|
" {\n",
|
|
" float noise = _fnlPingPong((_fnlGenNoiseSingle2D(state, seed++, x, y) + 1.0) * state.ping_pong_strength);\n",
|
|
" sum += (noise - 0.5f) * 2.0 * amp;\n",
|
|
" amp *= _fnlLerp(1.0f, noise, state.weighted_strength);\n",
|
|
"\n",
|
|
" x *= state.lacunarity;\n",
|
|
" y *= state.lacunarity;\n",
|
|
" amp *= state.gain;\n",
|
|
" }\n",
|
|
"\n",
|
|
" return sum;\n",
|
|
"}\n",
|
|
"\n",
|
|
"float _fnlGenFractalPingPong3D(fnl_state state, float /*FNLfloat*/ x, float /*FNLfloat*/ y, float /*FNLfloat*/ z)\n",
|
|
"{\n",
|
|
" int seed = state.seed;\n",
|
|
" float sum = 0.0;\n",
|
|
" float amp = _fnlCalculateFractalBounding(state);\n",
|
|
"\n",
|
|
" for (int i = 0; i < state.octaves; i++)\n",
|
|
" {\n",
|
|
" float noise = _fnlPingPong((_fnlGenNoiseSingle3D(state, seed++, x, y, z) + 1.0) * state.ping_pong_strength);\n",
|
|
" sum += (noise - 0.5f) * 2.0 * amp;\n",
|
|
" amp *= _fnlLerp(1.0f, noise, state.weighted_strength);\n",
|
|
"\n",
|
|
" x *= state.lacunarity;\n",
|
|
" y *= state.lacunarity;\n",
|
|
" z *= state.lacunarity;\n",
|
|
" amp *= state.gain;\n",
|
|
" }\n",
|
|
"\n",
|
|
" return sum;\n",
|
|
"}\n",
|
|
"\n",
|
|
"// Domain Warp\n",
|
|
"\n",
|
|
"// Forward declare\n",
|
|
"//static void _fnlSingleDomainWarpBasicGrid2D(int seed, float warpAmp, float frequency, FNLfloat x, FNLfloat y, inout FNLfloat xp, inout FNLfloat yp);\n",
|
|
"//static void _fnlSingleDomainWarpBasicGrid3D(int seed, float warpAmp, float frequency, FNLfloat x, FNLfloat y, FNLfloat z, inout FNLfloat xp, inout FNLfloat yp, inout FNLfloat zp);\n",
|
|
"//static void _fnlSingleDomainWarpSimplexGradient(int seed, float warpAmp, float frequency, FNLfloat x, FNLfloat y, inout FNLfloat xr, inout FNLfloat yr, bool outGradOnly);\n",
|
|
"//static void _fnlSingleDomainWarpOpenSimplex2Gradient(int seed, float warpAmp, float frequency, FNLfloat x, FNLfloat y, FNLfloat z, inout FNLfloat xr, inout FNLfloat yr, inout FNLfloat zr, bool outGradOnly);\n",
|
|
"\n",
|
|
"// Domain Warp Simplex/OpenSimplex2\n",
|
|
"\n",
|
|
"void _fnlSingleDomainWarpSimplexGradient(int seed, float warpAmp, float frequency, float /*FNLfloat*/ x, float /*FNLfloat*/ y, inout float /*FNLfloat*/ xr, inout float /*FNLfloat*/ yr, bool outGradOnly)\n",
|
|
"{\n",
|
|
" const float SQRT3 = 1.7320508075688772935274463415059f;\n",
|
|
" const float G2 = (3.0 - SQRT3) / 6.0;\n",
|
|
"\n",
|
|
" x *= frequency;\n",
|
|
" y *= frequency;\n",
|
|
"\n",
|
|
" /*\n",
|
|
" * --- Skew moved to TransformNoiseCoordinate method ---\n",
|
|
" * const FNLfloat F2 = 0.5f * (SQRT3 - 1);\n",
|
|
" * FNLfloat s = (x + y) * F2;\n",
|
|
" * x += s; y += s;\n",
|
|
" */\n",
|
|
"\n",
|
|
" int i = _fnlFastFloor(x);\n",
|
|
" int j = _fnlFastFloor(y);\n",
|
|
" float xi = float(x - float(i));\n",
|
|
" float yi = float(y - float(j));\n",
|
|
"\n",
|
|
" float t = (xi + yi) * G2;\n",
|
|
" float x0 = float(xi - t);\n",
|
|
" float y0 = float(yi - t);\n",
|
|
"\n",
|
|
" i *= PRIME_X;\n",
|
|
" j *= PRIME_Y;\n",
|
|
"\n",
|
|
" float vx, vy;\n",
|
|
" vx = vy = 0.0;\n",
|
|
"\n",
|
|
" float a = 0.5f - x0 * x0 - y0 * y0;\n",
|
|
" if (a > 0.0)\n",
|
|
" {\n",
|
|
" float aaaa = (a * a) * (a * a);\n",
|
|
" float xo, yo;\n",
|
|
" if (outGradOnly)\n",
|
|
" _fnlGradCoordOut2D(seed, i, j, xo, yo);\n",
|
|
" else\n",
|
|
" _fnlGradCoordDual2D(seed, i, j, x0, y0, xo, yo);\n",
|
|
" vx += aaaa * xo;\n",
|
|
" vy += aaaa * yo;\n",
|
|
" }\n",
|
|
"\n",
|
|
" float c = float(2.0 * (1.0 - 2.0 * G2) * (1.0 / G2 - 2.0)) * t + (float(-2.0 * (1.0 - 2.0 * G2) * (1.0 - 2.0 * G2)) + a);\n",
|
|
" if (c > 0.0)\n",
|
|
" {\n",
|
|
" float x2 = x0 + (2.0 * float(G2) - 1.0);\n",
|
|
" float y2 = y0 + (2.0 * float(G2) - 1.0);\n",
|
|
" float cccc = (c * c) * (c * c);\n",
|
|
" float xo, yo;\n",
|
|
" if (outGradOnly)\n",
|
|
" _fnlGradCoordOut2D(seed, i + PRIME_X, j + PRIME_Y, xo, yo);\n",
|
|
" else\n",
|
|
" _fnlGradCoordDual2D(seed, i + PRIME_X, j + PRIME_Y, x2, y2, xo, yo);\n",
|
|
" vx += cccc * xo;\n",
|
|
" vy += cccc * yo;\n",
|
|
" }\n",
|
|
"\n",
|
|
" if (y0 > x0)\n",
|
|
" {\n",
|
|
" float x1 = x0 + float(G2);\n",
|
|
" float y1 = y0 + (float(G2) - 1.0);\n",
|
|
" float b = 0.5f - x1 * x1 - y1 * y1;\n",
|
|
" if (b > 0.0)\n",
|
|
" {\n",
|
|
" float bbbb = (b * b) * (b * b);\n",
|
|
" float xo, yo;\n",
|
|
" if (outGradOnly)\n",
|
|
" _fnlGradCoordOut2D(seed, i, j + PRIME_Y, xo, yo);\n",
|
|
" else\n",
|
|
" _fnlGradCoordDual2D(seed, i, j + PRIME_Y, x1, y1, xo, yo);\n",
|
|
" vx += bbbb * xo;\n",
|
|
" vy += bbbb * yo;\n",
|
|
" }\n",
|
|
" }\n",
|
|
" else\n",
|
|
" {\n",
|
|
" float x1 = x0 + (float(G2) - 1.0);\n",
|
|
" float y1 = y0 + float(G2);\n",
|
|
" float b = 0.5f - x1 * x1 - y1 * y1;\n",
|
|
" if (b > 0.0)\n",
|
|
" {\n",
|
|
" float bbbb = (b * b) * (b * b);\n",
|
|
" float xo, yo;\n",
|
|
" if (outGradOnly)\n",
|
|
" _fnlGradCoordOut2D(seed, i + PRIME_X, j, xo, yo);\n",
|
|
" else\n",
|
|
" _fnlGradCoordDual2D(seed, i + PRIME_X, j, x1, y1, xo, yo);\n",
|
|
" vx += bbbb * xo;\n",
|
|
" vy += bbbb * yo;\n",
|
|
" }\n",
|
|
" }\n",
|
|
"\n",
|
|
" xr += vx * warpAmp;\n",
|
|
" yr += vy * warpAmp;\n",
|
|
"}\n",
|
|
"\n",
|
|
"// Domain Warp Basic Grid\n",
|
|
"\n",
|
|
"void _fnlSingleDomainWarpBasicGrid2D(int seed, float warpAmp, float frequency, float /*FNLfloat*/ x, float /*FNLfloat*/ y, inout float /*FNLfloat*/ xp, inout float /*FNLfloat*/ yp)\n",
|
|
"{\n",
|
|
" float /*FNLfloat*/ xf = x * frequency;\n",
|
|
" float /*FNLfloat*/ yf = y * frequency;\n",
|
|
"\n",
|
|
" int x0 = _fnlFastFloor(xf);\n",
|
|
" int y0 = _fnlFastFloor(yf);\n",
|
|
"\n",
|
|
" float xs = _fnlInterpHermite(float(xf - float(x0)));\n",
|
|
" float ys = _fnlInterpHermite(float(yf - float(y0)));\n",
|
|
"\n",
|
|
" x0 *= PRIME_X;\n",
|
|
" y0 *= PRIME_Y;\n",
|
|
" int x1 = x0 + PRIME_X;\n",
|
|
" int y1 = y0 + PRIME_Y;\n",
|
|
"\n",
|
|
" int idx0 = _fnlHash2D(seed, x0, y0) & (255 << 1);\n",
|
|
" int idx1 = _fnlHash2D(seed, x1, y0) & (255 << 1);\n",
|
|
"\n",
|
|
" float lx0x = _fnlLerp(RAND_VECS_2D[idx0], RAND_VECS_2D[idx1], xs);\n",
|
|
" float ly0x = _fnlLerp(RAND_VECS_2D[idx0 | 1], RAND_VECS_2D[idx1 | 1], xs);\n",
|
|
"\n",
|
|
" idx0 = _fnlHash2D(seed, x0, y1) & (255 << 1);\n",
|
|
" idx1 = _fnlHash2D(seed, x1, y1) & (255 << 1);\n",
|
|
"\n",
|
|
" float lx1x = _fnlLerp(RAND_VECS_2D[idx0], RAND_VECS_2D[idx1], xs);\n",
|
|
" float ly1x = _fnlLerp(RAND_VECS_2D[idx0 | 1], RAND_VECS_2D[idx1 | 1], xs);\n",
|
|
"\n",
|
|
" xp += _fnlLerp(lx0x, lx1x, ys) * warpAmp;\n",
|
|
" yp += _fnlLerp(ly0x, ly1x, ys) * warpAmp;\n",
|
|
"}\n",
|
|
"\n",
|
|
"void _fnlDoSingleDomainWarp2D(fnl_state state, int seed, float amp, float freq, float /*FNLfloat*/ x, float /*FNLfloat*/ y, inout float /*FNLfloat*/ xp, inout float /*FNLfloat*/ yp)\n",
|
|
"{\n",
|
|
" switch (state.domain_warp_type)\n",
|
|
" {\n",
|
|
" case 0://FNL_DOMAIN_WARP_OPENSIMPLEX2:\n",
|
|
" _fnlSingleDomainWarpSimplexGradient(seed, amp * 38.283687591552734375f, freq, x, y, xp, yp, false);\n",
|
|
" break;\n",
|
|
" case 1://FNL_DOMAIN_WARP_OPENSIMPLEX2_REDUCED:\n",
|
|
" _fnlSingleDomainWarpSimplexGradient(seed, amp * 16.0f, freq, x, y, xp, yp, true);\n",
|
|
" break;\n",
|
|
" case 2://FNL_DOMAIN_WARP_BASICGRID:\n",
|
|
" _fnlSingleDomainWarpBasicGrid2D(seed, amp, freq, x, y, xp, yp);\n",
|
|
" break;\n",
|
|
" }\n",
|
|
"}\n",
|
|
"\n",
|
|
"void _fnlSingleDomainWarpOpenSimplex2Gradient(int seed, float warpAmp, float frequency, float /*FNLfloat*/ x, float /*FNLfloat*/ y, float /*FNLfloat*/ z, inout float /*FNLfloat*/ xr, inout float /*FNLfloat*/ yr, inout float /*FNLfloat*/ zr, bool outGradOnly)\n",
|
|
"{\n",
|
|
" x *= frequency;\n",
|
|
" y *= frequency;\n",
|
|
" z *= frequency;\n",
|
|
"\n",
|
|
" /*\n",
|
|
" * --- Rotation moved to TransformDomainWarpCoordinate method ---\n",
|
|
" * const FNLfloat R3 = (FNLfloat)(2.0 / 3.0);\n",
|
|
" * FNLfloat r = (x + y + z) * R3; // Rotation, not skew\n",
|
|
" * x = r - x; y = r - y; z = r - z;\n",
|
|
" */\n",
|
|
"\n",
|
|
" int i = _fnlFastRound(x);\n",
|
|
" int j = _fnlFastRound(y);\n",
|
|
" int k = _fnlFastRound(z);\n",
|
|
" float x0 = float(x - float(i));\n",
|
|
" float y0 = float(y - float(j));\n",
|
|
" float z0 = float(z - float(k));\n",
|
|
"\n",
|
|
" int xNSign = int(-x0 - 1.0f) | 1;\n",
|
|
" int yNSign = int(-y0 - 1.0f) | 1;\n",
|
|
" int zNSign = int(-z0 - 1.0f) | 1;\n",
|
|
"\n",
|
|
" float ax0 = float(xNSign) * -x0;\n",
|
|
" float ay0 = float(yNSign) * -y0;\n",
|
|
" float az0 = float(zNSign) * -z0;\n",
|
|
"\n",
|
|
" i *= PRIME_X;\n",
|
|
" j *= PRIME_Y;\n",
|
|
" k *= PRIME_Z;\n",
|
|
"\n",
|
|
" float vx, vy, vz;\n",
|
|
" vx = vy = vz = 0.0;\n",
|
|
"\n",
|
|
" float a = (0.6f - x0 * x0) - (y0 * y0 + z0 * z0);\n",
|
|
" for (int l = 0; l < 2; l++)\n",
|
|
" {\n",
|
|
" if (a > 0.0)\n",
|
|
" {\n",
|
|
" float aaaa = (a * a) * (a * a);\n",
|
|
" float xo, yo, zo;\n",
|
|
" if (outGradOnly)\n",
|
|
" _fnlGradCoordOut3D(seed, i, j, k, xo, yo, zo);\n",
|
|
" else\n",
|
|
" _fnlGradCoordDual3D(seed, i, j, k, x0, y0, z0, xo, yo, zo);\n",
|
|
" vx += aaaa * xo;\n",
|
|
" vy += aaaa * yo;\n",
|
|
" vz += aaaa * zo;\n",
|
|
" }\n",
|
|
"\n",
|
|
" float b = a + 1.0;\n",
|
|
" int i1 = i;\n",
|
|
" int j1 = j;\n",
|
|
" int k1 = k;\n",
|
|
" float x1 = x0;\n",
|
|
" float y1 = y0;\n",
|
|
" float z1 = z0;\n",
|
|
" if (ax0 >= ay0 && ax0 >= az0)\n",
|
|
" {\n",
|
|
" x1 += float(xNSign);\n",
|
|
" b -= float(xNSign) * 2.0 * x1;\n",
|
|
" i1 -= xNSign * PRIME_X;\n",
|
|
" }\n",
|
|
" else if (ay0 > ax0 && ay0 >= az0)\n",
|
|
" {\n",
|
|
" y1 += float(yNSign);\n",
|
|
" b -= float(yNSign) * 2.0 * y1;\n",
|
|
" j1 -= yNSign * PRIME_Y;\n",
|
|
" }\n",
|
|
" else\n",
|
|
" {\n",
|
|
" z1 += float(zNSign);\n",
|
|
" b -= float(zNSign) * 2.0 * z1;\n",
|
|
" k1 -= zNSign * PRIME_Z;\n",
|
|
" }\n",
|
|
"\n",
|
|
" if (b > 0.0)\n",
|
|
" {\n",
|
|
" float bbbb = (b * b) * (b * b);\n",
|
|
" float xo, yo, zo;\n",
|
|
" if (outGradOnly)\n",
|
|
" _fnlGradCoordOut3D(seed, i1, j1, k1, xo, yo, zo);\n",
|
|
" else\n",
|
|
" _fnlGradCoordDual3D(seed, i1, j1, k1, x1, y1, z1, xo, yo, zo);\n",
|
|
" vx += bbbb * xo;\n",
|
|
" vy += bbbb * yo;\n",
|
|
" vz += bbbb * zo;\n",
|
|
" }\n",
|
|
"\n",
|
|
" if (l == 1)\n",
|
|
" break;\n",
|
|
"\n",
|
|
" ax0 = 0.5f - ax0;\n",
|
|
" ay0 = 0.5f - ay0;\n",
|
|
" az0 = 0.5f - az0;\n",
|
|
"\n",
|
|
" x0 = float(xNSign) * ax0;\n",
|
|
" y0 = float(yNSign) * ay0;\n",
|
|
" z0 = float(zNSign) * az0;\n",
|
|
"\n",
|
|
" a += (0.75f - ax0) - (ay0 + az0);\n",
|
|
"\n",
|
|
" i += (xNSign >> 1) & PRIME_X;\n",
|
|
" j += (yNSign >> 1) & PRIME_Y;\n",
|
|
" k += (zNSign >> 1) & PRIME_Z;\n",
|
|
"\n",
|
|
" xNSign = -xNSign;\n",
|
|
" yNSign = -yNSign;\n",
|
|
" zNSign = -zNSign;\n",
|
|
"\n",
|
|
" seed += 1293373;\n",
|
|
" }\n",
|
|
"\n",
|
|
" xr += vx * warpAmp;\n",
|
|
" yr += vy * warpAmp;\n",
|
|
" zr += vz * warpAmp;\n",
|
|
"}\n",
|
|
"\n",
|
|
"void _fnlSingleDomainWarpBasicGrid3D(int seed, float warpAmp, float frequency, float /*FNLfloat*/ x, float /*FNLfloat*/ y, float /*FNLfloat*/ z, inout float /*FNLfloat*/ xp, inout float /*FNLfloat*/ yp, inout float /*FNLfloat*/ zp)\n",
|
|
"{\n",
|
|
" float /*FNLfloat*/ xf = x * frequency;\n",
|
|
" float /*FNLfloat*/ yf = y * frequency;\n",
|
|
" float /*FNLfloat*/ zf = z * frequency;\n",
|
|
"\n",
|
|
" int x0 = _fnlFastFloor(xf);\n",
|
|
" int y0 = _fnlFastFloor(yf);\n",
|
|
" int z0 = _fnlFastFloor(zf);\n",
|
|
"\n",
|
|
" float xs = _fnlInterpHermite(float(xf - float(x0)));\n",
|
|
" float ys = _fnlInterpHermite(float(yf - float(y0)));\n",
|
|
" float zs = _fnlInterpHermite(float(zf - float(z0)));\n",
|
|
"\n",
|
|
" x0 *= PRIME_X;\n",
|
|
" y0 *= PRIME_Y;\n",
|
|
" z0 *= PRIME_Z;\n",
|
|
" int x1 = x0 + PRIME_X;\n",
|
|
" int y1 = y0 + PRIME_Y;\n",
|
|
" int z1 = z0 + PRIME_Z;\n",
|
|
"\n",
|
|
" int idx0 = _fnlHash3D(seed, x0, y0, z0) & (255 << 2);\n",
|
|
" int idx1 = _fnlHash3D(seed, x1, y0, z0) & (255 << 2);\n",
|
|
"\n",
|
|
" float lx0x = _fnlLerp(RAND_VECS_3D[idx0], RAND_VECS_3D[idx1], xs);\n",
|
|
" float ly0x = _fnlLerp(RAND_VECS_3D[idx0 | 1], RAND_VECS_3D[idx1 | 1], xs);\n",
|
|
" float lz0x = _fnlLerp(RAND_VECS_3D[idx0 | 2], RAND_VECS_3D[idx1 | 2], xs);\n",
|
|
"\n",
|
|
" idx0 = _fnlHash3D(seed, x0, y1, z0) & (255 << 2);\n",
|
|
" idx1 = _fnlHash3D(seed, x1, y1, z0) & (255 << 2);\n",
|
|
"\n",
|
|
" float lx1x = _fnlLerp(RAND_VECS_3D[idx0], RAND_VECS_3D[idx1], xs);\n",
|
|
" float ly1x = _fnlLerp(RAND_VECS_3D[idx0 | 1], RAND_VECS_3D[idx1 | 1], xs);\n",
|
|
" float lz1x = _fnlLerp(RAND_VECS_3D[idx0 | 2], RAND_VECS_3D[idx1 | 2], xs);\n",
|
|
"\n",
|
|
" float lx0y = _fnlLerp(lx0x, lx1x, ys);\n",
|
|
" float ly0y = _fnlLerp(ly0x, ly1x, ys);\n",
|
|
" float lz0y = _fnlLerp(lz0x, lz1x, ys);\n",
|
|
"\n",
|
|
" idx0 = _fnlHash3D(seed, x0, y0, z1) & (255 << 2);\n",
|
|
" idx1 = _fnlHash3D(seed, x1, y0, z1) & (255 << 2);\n",
|
|
"\n",
|
|
" lx0x = _fnlLerp(RAND_VECS_3D[idx0], RAND_VECS_3D[idx1], xs);\n",
|
|
" ly0x = _fnlLerp(RAND_VECS_3D[idx0 | 1], RAND_VECS_3D[idx1 | 1], xs);\n",
|
|
" lz0x = _fnlLerp(RAND_VECS_3D[idx0 | 2], RAND_VECS_3D[idx1 | 2], xs);\n",
|
|
"\n",
|
|
" idx0 = _fnlHash3D(seed, x0, y1, z1) & (255 << 2);\n",
|
|
" idx1 = _fnlHash3D(seed, x1, y1, z1) & (255 << 2);\n",
|
|
"\n",
|
|
" lx1x = _fnlLerp(RAND_VECS_3D[idx0], RAND_VECS_3D[idx1], xs);\n",
|
|
" ly1x = _fnlLerp(RAND_VECS_3D[idx0 | 1], RAND_VECS_3D[idx1 | 1], xs);\n",
|
|
" lz1x = _fnlLerp(RAND_VECS_3D[idx0 | 2], RAND_VECS_3D[idx1 | 2], xs);\n",
|
|
"\n",
|
|
" xp += _fnlLerp(lx0y, _fnlLerp(lx0x, lx1x, ys), zs) * warpAmp;\n",
|
|
" yp += _fnlLerp(ly0y, _fnlLerp(ly0x, ly1x, ys), zs) * warpAmp;\n",
|
|
" zp += _fnlLerp(lz0y, _fnlLerp(lz0x, lz1x, ys), zs) * warpAmp;\n",
|
|
"}\n",
|
|
"\n",
|
|
"void _fnlDoSingleDomainWarp3D(fnl_state state, int seed, float amp, float freq, float /*FNLfloat*/ x, float /*FNLfloat*/ y, float /*FNLfloat*/ z, inout float /*FNLfloat*/ xp, inout float /*FNLfloat*/ yp, inout float /*FNLfloat*/ zp)\n",
|
|
"{\n",
|
|
" switch (state.domain_warp_type)\n",
|
|
" {\n",
|
|
" case 0://FNL_DOMAIN_WARP_OPENSIMPLEX2:\n",
|
|
" _fnlSingleDomainWarpOpenSimplex2Gradient(seed, amp * 32.69428253173828125f, freq, x, y, z, xp, yp, zp, false);\n",
|
|
" break;\n",
|
|
" case 1://FNL_DOMAIN_WARP_OPENSIMPLEX2_REDUCED:\n",
|
|
" _fnlSingleDomainWarpOpenSimplex2Gradient(seed, amp * 7.71604938271605f, freq, x, y, z, xp, yp, zp, true);\n",
|
|
" break;\n",
|
|
" case 2://FNL_DOMAIN_WARP_BASICGRID:\n",
|
|
" _fnlSingleDomainWarpBasicGrid3D(seed, amp, freq, x, y, z, xp, yp, zp);\n",
|
|
" break;\n",
|
|
" }\n",
|
|
"}\n",
|
|
"\n",
|
|
"// Domain Warp Single Wrapper\n",
|
|
"\n",
|
|
"void _fnlDomainWarpSingle2D(fnl_state state, inout float /*FNLfloat*/ x, inout float /*FNLfloat*/ y)\n",
|
|
"{\n",
|
|
" int seed = state.seed;\n",
|
|
" float amp = state.domain_warp_amp * _fnlCalculateFractalBounding(state);\n",
|
|
" float freq = state.frequency;\n",
|
|
"\n",
|
|
" float /*FNLfloat*/ xs = x;\n",
|
|
" float /*FNLfloat*/ ys = y;\n",
|
|
" _fnlTransformDomainWarpCoordinate2D(state, xs, ys);\n",
|
|
"\n",
|
|
" _fnlDoSingleDomainWarp2D(state, seed, amp, freq, xs, ys, x, y);\n",
|
|
"}\n",
|
|
"\n",
|
|
"void _fnlDomainWarpSingle3D(fnl_state state, inout float /*FNLfloat*/ x, inout float /*FNLfloat*/ y, inout float /*FNLfloat*/ z)\n",
|
|
"{\n",
|
|
" int seed = state.seed;\n",
|
|
" float amp = state.domain_warp_amp * _fnlCalculateFractalBounding(state);\n",
|
|
" float freq = state.frequency;\n",
|
|
"\n",
|
|
" float /*FNLfloat*/ xs = x;\n",
|
|
" float /*FNLfloat*/ ys = y;\n",
|
|
" float /*FNLfloat*/ zs = z;\n",
|
|
" _fnlTransformDomainWarpCoordinate3D(state, xs, ys, zs);\n",
|
|
"\n",
|
|
" _fnlDoSingleDomainWarp3D(state, seed, amp, freq, xs, ys, zs, x, y, z);\n",
|
|
"}\n",
|
|
"\n",
|
|
"// Domain Warp Fractal Progressive\n",
|
|
"\n",
|
|
"void _fnlDomainWarpFractalProgressive2D(fnl_state state, inout float /*FNLfloat*/ x, inout float /*FNLfloat*/ y)\n",
|
|
"{\n",
|
|
" int seed = state.seed;\n",
|
|
" float amp = state.domain_warp_amp * _fnlCalculateFractalBounding(state);\n",
|
|
" float freq = state.frequency;\n",
|
|
"\n",
|
|
" for (int i = 0; i < state.octaves; i++)\n",
|
|
" {\n",
|
|
" float /*FNLfloat*/ xs = x;\n",
|
|
" float /*FNLfloat*/ ys = y;\n",
|
|
" _fnlTransformDomainWarpCoordinate2D(state, xs, ys);\n",
|
|
"\n",
|
|
" _fnlDoSingleDomainWarp2D(state, seed, amp, freq, xs, ys, x, y);\n",
|
|
"\n",
|
|
" seed++;\n",
|
|
" amp *= state.gain;\n",
|
|
" freq *= state.lacunarity;\n",
|
|
" }\n",
|
|
"}\n",
|
|
"\n",
|
|
"void _fnlDomainWarpFractalProgressive3D(fnl_state state, inout float /*FNLfloat*/ x, inout float /*FNLfloat*/ y, inout float /*FNLfloat*/ z)\n",
|
|
"{\n",
|
|
" int seed = state.seed;\n",
|
|
" float amp = state.domain_warp_amp * _fnlCalculateFractalBounding(state);\n",
|
|
" float freq = state.frequency;\n",
|
|
"\n",
|
|
" for (int i = 0; i < state.octaves; i++)\n",
|
|
" {\n",
|
|
" float /*FNLfloat*/ xs = x;\n",
|
|
" float /*FNLfloat*/ ys = y;\n",
|
|
" float /*FNLfloat*/ zs = z;\n",
|
|
" _fnlTransformDomainWarpCoordinate3D(state, xs, ys, zs);\n",
|
|
"\n",
|
|
" _fnlDoSingleDomainWarp3D(state, seed, amp, freq, xs, ys, zs, x, y, z);\n",
|
|
"\n",
|
|
" seed++;\n",
|
|
" amp *= state.gain;\n",
|
|
" freq *= state.lacunarity;\n",
|
|
" }\n",
|
|
"}\n",
|
|
"\n",
|
|
"// Domain Warp Fractal Independent\n",
|
|
"\n",
|
|
"void _fnlDomainWarpFractalIndependent2D(fnl_state state, inout float /*FNLfloat*/ x, inout float /*FNLfloat*/ y)\n",
|
|
"{\n",
|
|
" float /*FNLfloat*/ xs = x;\n",
|
|
" float /*FNLfloat*/ ys = y;\n",
|
|
" _fnlTransformDomainWarpCoordinate2D(state, xs, ys);\n",
|
|
"\n",
|
|
" int seed = state.seed;\n",
|
|
" float amp = state.domain_warp_amp * _fnlCalculateFractalBounding(state);\n",
|
|
" float freq = state.frequency;\n",
|
|
"\n",
|
|
" for (int i = 0; i < state.octaves; i++)\n",
|
|
" {\n",
|
|
" _fnlDoSingleDomainWarp2D(state, seed, amp, freq, xs, ys, x, y);\n",
|
|
"\n",
|
|
" seed++;\n",
|
|
" amp *= state.gain;\n",
|
|
" freq *= state.lacunarity;\n",
|
|
" }\n",
|
|
"}\n",
|
|
"\n",
|
|
"void _fnlDomainWarpFractalIndependent3D(fnl_state state, inout float /*FNLfloat*/ x, inout float /*FNLfloat*/ y, inout float /*FNLfloat*/ z)\n",
|
|
"{\n",
|
|
" float /*FNLfloat*/ xs = x;\n",
|
|
" float /*FNLfloat*/ ys = y;\n",
|
|
" float /*FNLfloat*/ zs = z;\n",
|
|
" _fnlTransformDomainWarpCoordinate3D(state, xs, ys, zs);\n",
|
|
"\n",
|
|
" int seed = state.seed;\n",
|
|
" float amp = state.domain_warp_amp * _fnlCalculateFractalBounding(state);\n",
|
|
" float freq = state.frequency;\n",
|
|
"\n",
|
|
" for (int i = 0; i < state.octaves; i++)\n",
|
|
" {\n",
|
|
" _fnlDoSingleDomainWarp3D(state, seed, amp, freq, xs, ys, zs, x, y, z);\n",
|
|
"\n",
|
|
" seed++;\n",
|
|
" amp *= state.gain;\n",
|
|
" freq *= state.lacunarity;\n",
|
|
" }\n",
|
|
"}\n",
|
|
"\n",
|
|
"\n",
|
|
"\n",
|
|
"\n",
|
|
"\n",
|
|
"\n",
|
|
"\n",
|
|
"// ====================\n",
|
|
"// Public API\n",
|
|
"// ====================\n",
|
|
"\n",
|
|
"fnl_state fnlCreateState(int seed)\n",
|
|
"{\n",
|
|
" fnl_state newState;\n",
|
|
" newState.seed = seed;\n",
|
|
" newState.frequency = 0.01f;\n",
|
|
" newState.noise_type = FNL_NOISE_OPENSIMPLEX2;\n",
|
|
" newState.rotation_type_3d = FNL_ROTATION_NONE;\n",
|
|
" newState.fractal_type = FNL_FRACTAL_NONE;\n",
|
|
" newState.octaves = 3;\n",
|
|
" newState.lacunarity = 2.0f;\n",
|
|
" newState.gain = 0.5f;\n",
|
|
" newState.weighted_strength = 0.0f;\n",
|
|
" newState.ping_pong_strength = 2.0f;\n",
|
|
" newState.cellular_distance_func = FNL_CELLULAR_DISTANCE_EUCLIDEANSQ;\n",
|
|
" newState.cellular_return_type = FNL_CELLULAR_RETURN_TYPE_DISTANCE;\n",
|
|
" newState.cellular_jitter_mod = 1.0f;\n",
|
|
" newState.domain_warp_amp = 30.0f;\n",
|
|
" newState.domain_warp_type = FNL_DOMAIN_WARP_OPENSIMPLEX2;\n",
|
|
" return newState;\n",
|
|
"}\n",
|
|
"\n",
|
|
"float fnlGetNoise2D(fnl_state state, float /*FNLfloat*/ x, float /*FNLfloat*/ y)\n",
|
|
"{\n",
|
|
" _fnlTransformNoiseCoordinate2D(state, x, y);\n",
|
|
"\n",
|
|
" switch (state.fractal_type)\n",
|
|
" {\n",
|
|
" default:\n",
|
|
" return _fnlGenNoiseSingle2D(state, state.seed, x, y);\n",
|
|
" case 1://FNL_FRACTAL_FBM:\n",
|
|
" return _fnlGenFractalFBM2D(state, x, y);\n",
|
|
" case 2://FNL_FRACTAL_RIDGED:\n",
|
|
" return _fnlGenFractalRidged2D(state, x, y);\n",
|
|
" case 3://FNL_FRACTAL_PINGPONG:\n",
|
|
" return _fnlGenFractalPingPong2D(state, x, y);\n",
|
|
" }\n",
|
|
"}\n",
|
|
"\n",
|
|
"float fnlGetNoise3D(fnl_state state, float /*FNLfloat*/ x, float /*FNLfloat*/ y, float /*FNLfloat*/ z)\n",
|
|
"{\n",
|
|
" _fnlTransformNoiseCoordinate3D(state, x, y, z);\n",
|
|
"\n",
|
|
" // Select a noise type\n",
|
|
" switch (state.fractal_type)\n",
|
|
" {\n",
|
|
" default:\n",
|
|
" return _fnlGenNoiseSingle3D(state, state.seed, x, y, z);\n",
|
|
" case 1://FNL_FRACTAL_FBM:\n",
|
|
" return _fnlGenFractalFBM3D(state, x, y, z);\n",
|
|
" case 2://FNL_FRACTAL_RIDGED:\n",
|
|
" return _fnlGenFractalRidged3D(state, x, y, z);\n",
|
|
" case 3://FNL_FRACTAL_PINGPONG:\n",
|
|
" return _fnlGenFractalPingPong3D(state, x, y, z);\n",
|
|
" }\n",
|
|
"}\n",
|
|
"\n",
|
|
"void fnlDomainWarp2D(fnl_state state, inout float /*FNLfloat*/ x, inout float /*FNLfloat*/ y)\n",
|
|
"{\n",
|
|
" switch (state.fractal_type)\n",
|
|
" {\n",
|
|
" default:\n",
|
|
" _fnlDomainWarpSingle2D(state, x, y);\n",
|
|
" break;\n",
|
|
" case 4: //FNL_FRACTAL_DOMAIN_WARP_PROGRESSIVE:\n",
|
|
" _fnlDomainWarpFractalProgressive2D(state, x, y);\n",
|
|
" break;\n",
|
|
" case 5: //FNL_FRACTAL_DOMAIN_WARP_INDEPENDENT:\n",
|
|
" _fnlDomainWarpFractalIndependent2D(state, x, y);\n",
|
|
" break;\n",
|
|
" }\n",
|
|
"}\n",
|
|
"\n",
|
|
"void fnlDomainWarp3D(fnl_state state, inout float /*FNLfloat*/ x, inout float /*FNLfloat*/ y, inout float /*FNLfloat*/ z)\n",
|
|
"{\n",
|
|
" switch (state.fractal_type)\n",
|
|
" {\n",
|
|
" default:\n",
|
|
" _fnlDomainWarpSingle3D(state, x, y, z);\n",
|
|
" break;\n",
|
|
" case 4://FNL_FRACTAL_DOMAIN_WARP_PROGRESSIVE:\n",
|
|
" _fnlDomainWarpFractalProgressive3D(state, x, y, z);\n",
|
|
" break;\n",
|
|
" case 5://FNL_FRACTAL_DOMAIN_WARP_INDEPENDENT:\n",
|
|
" _fnlDomainWarpFractalIndependent3D(state, x, y, z);\n",
|
|
" break;\n",
|
|
" }\n",
|
|
"}\n",
|
|
"\n",
|
|
0
|
|
};
|
|
// </generated>
|
|
// clang-format on
|
|
|
|
} //namespace fast_noise_lite
|
|
} //namespace zylann
|