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 * Classic Mandelbulb Power 2 fractal 10 * @reference http://www.fractalforums.com/3d-fractal-generation/true-3d-mandlebrot-type-fractal/ 11 12 * This file has been autogenerated by tools/populateUiInformation.php 13 * from the file "fractal_mandelbulb_power2.cpp" in the folder formula/definition 14 * D O N O T E D I T T H I S F I L E ! 15 */ 16 17REAL4 MandelbulbPower2Iteration(REAL4 z, __constant sFractalCl *fractal, sExtendedAuxCl *aux) 18{ 19 Q_UNUSED(fractal); 20 21 aux->DE = aux->DE * 2.0f * aux->r; 22 REAL x2 = z.x * z.x; 23 REAL y2 = z.y * z.y; 24 REAL z2 = z.z * z.z; 25 REAL temp = 1.0f - z2 / (x2 + y2); 26 REAL newx = (x2 - y2) * temp; 27 REAL newy = 2.0f * z.x * z.y * temp; 28 REAL newz = -2.0f * z.z * native_sqrt(x2 + y2); 29 z.x = newx; 30 z.y = newy; 31 z.z = newz; 32 return z; 33}