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Carnival



http://www.fractalforums.com/index.php?action=gallery;sa=view;id=14682

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Formula:
double DE(dvec3 pos)
{
     dvec4 p = dvec4(pos.xzy,1.0);

   dvec4 coord=p;
   double rr=1.0;

   AmazingBox(p,2.1,1.04,0.50,rr);
   AmazingBox(p,2.1,1.04,0.30,rr);
   AmazingBox(p,2.1,1.04,0.25,rr);

   p.xyz*=rot_z;
   Poly_Fold(p,30.0);

   OctahedronIFS(p,0.35,vec3(1.0,0.0,0.0));
   AmazingBox(p,2.1,1.04,0.25,rr);
   CantorIFS(p,1.0,vec3(1.0,1.0,1.0));

   color_shift=vec4(p.xyz,rr);

   AmazingBox(p,0.5,1.08,0.0,rr);
   AmazingBox(p,0.5,1.08,0.0,rr);

   for(int i=0;i<15;i++)
   {
      AmazingSurf(p,2.0,10.0,0.0,rr);
   }
   return 0.3*length(p.xyz)/p.w;
}