1/** 2 * Mandelbulber v2, a 3D fractal generator _%}}i*<. ____ _______ 3 * Copyright (C) 2020 Mandelbulber Team _>]|=||i=i<, / __ \___ ___ ___ / ___/ / 4 * \><||i|=>>%) / /_/ / _ \/ -_) _ \/ /__/ /__ 5 * This file is part of Mandelbulber. )<=i=]=|=i<> \____/ .__/\__/_//_/\___/____/ 6 * The project is licensed under GPLv3, -<>>=|><|||` /_/ 7 * see also COPYING file in this folder. ~+{i%+++ 8 * 9 * spherical fold ABox 10 * from Fractal Forums and M3D 11 * @reference 12 * http://www.fractalforums.com/mandelbulb-3d/custom-formulas-and-transforms-release-t17106/ 13 * This formula contains aux.color 14 15 * This file has been autogenerated by tools/populateUiInformation.php 16 * from the file "fractal_transf_spherical_fold_abox.cpp" in the folder formula/definition 17 * D O N O T E D I T T H I S F I L E ! 18 */ 19 20REAL4 TransfSphericalFoldAboxIteration(REAL4 z, __constant sFractalCl *fractal, sExtendedAuxCl *aux) 21{ 22 REAL r2 = dot(z, z); 23 z += fractal->mandelbox.offset; 24 REAL sqrtMinR = fractal->transformCommon.sqtR; 25 if (r2 < sqrtMinR) 26 { 27 z *= fractal->transformCommon.mboxFactor1; 28 aux->DE *= fractal->transformCommon.mboxFactor1; 29 if (fractal->foldColor.auxColorEnabledFalse) 30 { 31 aux->color += fractal->mandelbox.color.factorSp1; 32 } 33 } 34 else if (r2 < 1.0f) 35 { 36 z *= 1.0f / r2; 37 aux->DE *= 1.0f / r2; 38 if (fractal->foldColor.auxColorEnabledFalse) 39 { 40 aux->color += fractal->mandelbox.color.factorSp2; 41 } 42 } 43 z -= fractal->mandelbox.offset; 44 return z; 45}