isosurface { //------------------------------------------------------------- function { f_heart( x,y,z, -0.15 ) } threshold 0.0 accuracy 0.0001 max_gradient 100 contained_by {box {<-1.1,-1.5,-1.1>,< 1.1,1.22,1.5>}} //open texture { pigment{ color rgb<1,0.7,0.1>} //normal {bumps 0.5 scale 0.05} finish { phong 1 specular 0.3 } } scale 1.00 rotate <-90, 90, 0> translate <-0, 1.3, 0> } // end of isosurface -------------------------------------------------------