File:Menger 4D Vollkuppel 25072019.jpg

void Menger4dMod1Iteration(CVector4 &z, const sFractal *fractal, sExtendedAux &aux) {

 double paraAddP0 = 0.0;
 if (fractal->Cpara.enabledParabFalse)
 { // parabolic = paraOffset + iter *slope + (iter *iter *scale)
   paraAddP0 = fractal->Cpara.parabOffset0 + (aux.i * fractal->Cpara.parabSlope)
               + (aux.i * aux.i * 0.001 * fractal->Cpara.parabScale);
   z.w += paraAddP0;
 }

 if (aux.i >= fractal->transformCommon.startIterationsC
     && aux.i < fractal->transformCommon.stopIterationsC)
 {
   z += fractal->transformCommon.additionConstant0000; // offset
 }

 z = fabs(z);
 if (z.x - z.y < 0.0) swap(z.y, z.x);
 if (z.x - z.z < 0.0) swap(z.z, z.x);
 if (z.y - z.z < 0.0) swap(z.z, z.y);
 if (z.x - z.w < 0.0) swap(z.w, z.x);
 if (z.y - z.w < 0.0) swap(z.w, z.y);
 if (z.z - z.w < 0.0) swap(z.w, z.z);

 // 6 plane rotation
 if (fractal->transformCommon.functionEnabledRFalse
     && aux.i >= fractal->transformCommon.startIterationsR
     && aux.i < fractal->transformCommon.stopIterationsR)
 {
   CVector4 tp;
   if (fractal->transformCommon.rotation44a.x != 0)
   {
     tp = z;
     double alpha = fractal->transformCommon.rotation44a.x * M_PI_180;
     z.x = tp.x * cos(alpha) + tp.y * sin(alpha);
     z.y = tp.x * -sin(alpha) + tp.y * cos(alpha);
   }
   if (fractal->transformCommon.rotation44a.y != 0)
   {
     tp = z;
     double beta = fractal->transformCommon.rotation44a.y * M_PI_180;
     z.y = tp.y * cos(beta) + tp.z * sin(beta);
     z.z = tp.y * -sin(beta) + tp.z * cos(beta);
   }
   if (fractal->transformCommon.rotation44a.z != 0)
   {
     tp = z;
     double gamma = fractal->transformCommon.rotation44a.z * M_PI_180;
     z.x = tp.x * cos(gamma) + tp.z * sin(gamma);
     z.z = tp.x * -sin(gamma) + tp.z * cos(gamma);
   }
   if (fractal->transformCommon.rotation44b.x != 0)
   {
     tp = z;
     double delta = fractal->transformCommon.rotation44b.x * M_PI_180;
     z.x = tp.x * cos(delta) + tp.w * sin(delta);
     z.w = tp.x * -sin(delta) + tp.w * cos(delta);
   }
   if (fractal->transformCommon.rotation44b.y != 0)
   {
     tp = z;
     double epsilon = fractal->transformCommon.rotation44b.y * M_PI_180;
     z.y = tp.y * cos(epsilon) + tp.w * sin(epsilon);
     z.w = tp.y * -sin(epsilon) + tp.w * cos(epsilon);
   }
   if (fractal->transformCommon.rotation44b.z != 0)
   {
     tp = z;
     double zeta = fractal->transformCommon.rotation44b.z * M_PI_180;
     z.z = tp.z * cos(zeta) + tp.w * sin(zeta);
     z.w = tp.z * -sin(zeta) + tp.w * cos(zeta);
   }
 }
 double scaleM = fractal->transformCommon.scale3;
 CVector4 offsetM = fractal->transformCommon.additionConstant111d5;
 z.x = scaleM * z.x - offsetM.x;
 z.y = scaleM * z.y - offsetM.y;
 z.w = scaleM * z.w - offsetM.w;
 if (fractal->transformCommon.functionEnabledz
     && aux.i >= fractal->transformCommon.startIterationsM
     && aux.i < fractal->transformCommon.stopIterationsM)
 {
   z.z -= 0.5 * offsetM.z / scaleM;
   z.z = -fabs(-z.z);
   z.z += 0.5 * offsetM.z / scaleM;
 }
 else
 {
   z.w = scaleM * z.w - offsetM.w;
 }
 z.z *= scaleM;
 aux.DE *= scaleM;

 if (fractal->transformCommon.functionEnabledSFalse
     && aux.i >= fractal->transformCommon.startIterationsS
     && aux.i < fractal->transformCommon.stopIterationsS)
 {
   double r2 = 0.;
   if (fractal->transformCommon.functionEnabledBxFalse)
   {
     r2 = z.x * z.x + z.y * z.y;
   }
   if (fractal->transformCommon.functionEnabledByFalse)
   {
     r2 = z.x * z.x + z.y * z.y + z.z * z.z;
   }
   if (fractal->transformCommon.functionEnabledBz)
   //{  r2 = z.Dot(z) ;}
   {
     r2 = z.x * z.x + z.y * z.y + z.z * z.z + z.w * z.w;
   }
   // if (r2 < 1e-21 && r2 > -1e-21) r2 = (r2 > 0) ? 1e-21 : -1e-21;

   if (r2 < fractal->transformCommon.minR2p25)
   {
     z *= fractal->transformCommon.maxMinR2factor;
     aux.DE *= fractal->transformCommon.maxMinR2factor;
     aux.color += fractal->mandelbox.color.factorSp1;
   }
   else if (r2 < fractal->transformCommon.maxR2d1)
   {
     double tglad_factor2 = fractal->transformCommon.maxR2d1 / r2;
     z *= tglad_factor2;
     aux.DE *= tglad_factor2;
     aux.color += fractal->mandelbox.color.factorSp2;
   }
 }

 if (fractal->transformCommon.functionEnabledFalse)
 {
   CVector4 zA4 = (aux.i == fractal->transformCommon.intA) ? z : CVector4();
   CVector4 zB4 = (aux.i == fractal->transformCommon.intB) ? z : CVector4();

   z = (z * fractal->transformCommon.scale) + (zA4 * fractal->transformCommon.offset)
       + (zB4 * fractal->transformCommon.offset0);
   aux.DE *= fractal->transformCommon.scale1;
 }

 aux.DE *= fractal->analyticDE.scale1;

}

Benutzerdefinierte Parameter:

1. Mandelbulber settings file
2. version 2.18
3. only modified parameters

[main_parameters] ambient_occlusion_enabled true; ambient_occlusion_quality 10; background_3_colors_enable false; background_color_1 0000 0000 0000; camera 0 0 0; camera_distance_to_target 0; camera_rotation 0 0 -90; camera_top -1 0 6,123233995736766e-17; DE_factor 0,5; file_background C:\Users\<Username>\Downloads\mandelbulber2-win64-2.16-standalone\mandelbulber2-win64-2.16-standalone\textures\background.jpg; file_envmap C:\Users\<Username>\Downloads\mandelbulber2-win64-2.16-standalone\mandelbulber2-win64-2.16-standalone\textures\envmap.jpg; file_lightmap C:\Users\<Username>\Downloads\mandelbulber2-win64-2.16-standalone\mandelbulber2-win64-2.16-standalone\textures\lightmap.jpg; flight_last_to_render 0; formula_1 112; hdr true; image_height 26754; image_proportion 1; image_width 26754; initial_waxis 0,2; keyframe_last_to_render 0; mat1_coloring_random_seed 868266; mat1_coloring_saturation 10; mat1_is_defined true; mat1_surface_color_palette ffffff 009a00 00ff00 ffffff 00c200 ff0000 ff00ff 00ffe0 00ff15 ffff00; perspective_type fish_eye_cut; raytraced_reflections true; repeat 1 1 1;