1/** 2 * Mandelbulber v2, a 3D fractal generator _%}}i*<. ____ _______ 3 * Copyright (C) 2019 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 * 3D Version of the 2D Eye Fractal modified by mclarekin 10 11 * This file has been autogenerated by tools/populateUiInformation.php 12 * from the function "MandelbulbEyeTestIteration" in the file fractal_formulas.cpp 13 * D O N O T E D I T T H I S F I L E ! 14 */ 15 16REAL4 MandelbulbEyeTestIteration(REAL4 z, __constant sFractalCl *fractal, sExtendedAuxCl *aux) 17{ 18 // testing power2 thing, covert to non trig? 19 REAL4 c = aux->const_c; 20 aux->DE = aux->DE * 2.0f * aux->r; 21 22 if (fractal->buffalo.preabsx) z.x = fabs(z.x); 23 if (fractal->buffalo.preabsy) z.y = fabs(z.y); 24 if (fractal->buffalo.preabsz) z.z = fabs(z.z); 25 26 REAL4 zz = z * z; 27 REAL rr = zz.x + zz.y + zz.z; 28 REAL temp = native_sqrt(zz.x + zz.y); 29 REAL theta1 = atan2(temp, z.z) * fractal->transformCommon.scaleB1; 30 REAL theta2 = atan2(temp, -z.z) * fractal->transformCommon.scaleC1; 31 32 REAL phi1 = atan2(z.y, z.x) * fractal->transformCommon.scale1; 33 REAL phi2 = atan2(-z.y, z.x) * fractal->transformCommon.scaleA1; 34 35 z.x = rr * native_sin(theta1 + theta2) * native_cos(phi1 + phi2); 36 z.y = rr * native_sin(theta1 + theta2) * native_sin(phi1 + phi2); 37 z.z = rr * native_cos(theta1 + theta2); 38 39 /*REAL4 zzA = z * z; 40 REAL4 zzB = zzA; // * fractal->transformCommon.scaleD1; 41 42 REAL rrA = zzA.x + zzA.y + zzA.z; 43 REAL rrB = zzB.x + zzB.y + zzB.z; 44 45 46 REAL tempA = native_sqrt(zzA.x + zzA.y); 47 REAL tempB = native_sqrt(zzB.x + zzB.y); 48 49 REAL theta1 = atan2(tempA, zzA.z) * fractal->transformCommon.scaleB1; 50 REAL theta2 = atan2(tempB, -zzB.z) * fractal->transformCommon.scaleC1; 51 52 REAL phi1 = atan2(zzA.y, zzA.x) * fractal->transformCommon.scale1; 53 REAL phi2 = atan2(-zzB.y, zzB.x) * fractal->transformCommon.scaleA1; 54 55 REAL rrAB = rrA * rrB; 56 57 z.x = (rrAB) * native_sin(theta1 + theta2) * native_cos(phi1 + phi2); 58 z.y = (rrAB) * native_sin(theta1 + theta2) * native_sin(phi1 + phi2); 59 z.z = (rrAB) * native_cos(theta1 + theta2);*/ 60 61 // addCpixel 62 if (fractal->transformCommon.addCpixelEnabledFalse 63 && aux->i >= fractal->transformCommon.startIterationsE 64 && aux->i < fractal->transformCommon.stopIterationsE) 65 { 66 REAL4 tempC = c; 67 if (fractal->transformCommon.alternateEnabledFalse) // alternate 68 { 69 tempC = aux->c; 70 switch (fractal->mandelbulbMulti.orderOfXYZ) 71 { 72 case multi_OrderOfXYZCl_xyz: 73 default: tempC = (REAL4){tempC.x, tempC.y, tempC.z, tempC.w}; break; 74 case multi_OrderOfXYZCl_xzy: tempC = (REAL4){tempC.x, tempC.z, tempC.y, tempC.w}; break; 75 case multi_OrderOfXYZCl_yxz: tempC = (REAL4){tempC.y, tempC.x, tempC.z, tempC.w}; break; 76 case multi_OrderOfXYZCl_yzx: tempC = (REAL4){tempC.y, tempC.z, tempC.x, tempC.w}; break; 77 case multi_OrderOfXYZCl_zxy: tempC = (REAL4){tempC.z, tempC.x, tempC.y, tempC.w}; break; 78 case multi_OrderOfXYZCl_zyx: tempC = (REAL4){tempC.z, tempC.y, tempC.x, tempC.w}; break; 79 } 80 aux->c = tempC; 81 } 82 else 83 { 84 switch (fractal->mandelbulbMulti.orderOfXYZ) 85 { 86 case multi_OrderOfXYZCl_xyz: 87 default: tempC = (REAL4){c.x, c.y, c.z, c.w}; break; 88 case multi_OrderOfXYZCl_xzy: tempC = (REAL4){c.x, c.z, c.y, c.w}; break; 89 case multi_OrderOfXYZCl_yxz: tempC = (REAL4){c.y, c.x, c.z, c.w}; break; 90 case multi_OrderOfXYZCl_yzx: tempC = (REAL4){c.y, c.z, c.x, c.w}; break; 91 case multi_OrderOfXYZCl_zxy: tempC = (REAL4){c.z, c.x, c.y, c.w}; break; 92 case multi_OrderOfXYZCl_zyx: tempC = (REAL4){c.z, c.y, c.x, c.w}; break; 93 } 94 } 95 z += tempC * fractal->transformCommon.constantMultiplier111; 96 } 97 z.x = fractal->buffalo.absx ? fabs(z.x) : z.x; 98 z.y = fractal->buffalo.absy ? fabs(z.y) : z.y; 99 z.z = fractal->buffalo.absz ? fabs(z.z) : z.z; 100 z += fractal->transformCommon.additionConstantA000; 101 102 /*REAL4 hypercomplex_pow_constant( REAL4 &vec1, int n) 103 { 104 REAL r = native_sqrt(native_powr(vec1.x, 2) + native_powr(vec1.y, 2) + native_powr(vec1.z, 2)); 105 REAL theta = atan2(native_sqrt(native_powr(vec1.x, 2) + native_powr(vec1.y, 2)), vec1.z); 106 REAL phi = atan2(vec1.y, vec1.x); 107 108 REAL new_x = native_powr(r, n) * native_sin(theta * n) * native_cos(phi * n); 109 REAL new_y = native_powr(r, n) * native_sin(theta * n) * native_sin(phi * n); 110 REAL new_z = native_powr(r, n) * native_cos(theta * n); 111 112 return (REAL4) {new_x, new_y, new_z, vec1.w}; 113 }*/ 114 115 if (fractal->analyticDE.enabledFalse) 116 aux->DE = mad(aux->DE, fractal->analyticDE.scale1, fractal->analyticDE.offset1); 117 return z; 118}