// Persistence Of Vision raytracer version 3.1g isosurface patch with HyperFun
// sample file.
// This image contains an example of 'isosurface'.

#include "colors.inc"
#include "shapes.inc"
#include "textures.inc"
#include "Woods.inc"
#include "stones.inc"
#include "glass.inc"
#include "metals.inc"

camera {
   up<0,1,0>
   right<-1.33,0,0>
   location <0, 35,-40>
   direction <0, 0,  2.5>
   look_at <0,2.5,0>
}

light_source {<20, 20,  20> color White}
light_source {<20, 20, -20> color White}

isosurface{
     function {"HyperFun", library "hyperfun","HF_program=wine.hf, HF_object=wine, x=1, y=2, z=3", <0,0,0,0>}
     bounded_by{ box {<-15, -15, -15>, <15, 15, 15>}}      
     accuracy 0.01
     sign -1
     eval 
     material{texture { T_Ruby_Glass } interior{I_Glass} }
     translate <0,0,0>
}

isosurface{
     function {"HyperFun", library "hyperfun","HF_program=glass.hf, HF_object=glass, x=1, y=2, z=3", <0,0,0,0>}
     bounded_by{ box {<-15, -15, -15>, <15, 15, 15>}}      
     accuracy 0.01
     sign -1
     eval 
     material{texture { T_Glass4 } interior{I_Glass} }
     translate <0,0,0>
} 

isosurface{
     function {"HyperFun", library "hyperfun","HF_program=shaker.hf, HF_object=shaker, x=1, y=2, z=3", <0,0,0,0>}
     bounded_by{ box {<-15, -15, -15>, <15, 15, 15>}}      
     accuracy 0.01
     sign -1
     eval 
     texture {T_Silver_2E}
     translate <-6,0,10>
}

isosurface{
     function {"HyperFun", library "hyperfun","HF_program=apple.hf, HF_object=apple, x=1, y=2, z=3", <0,0,0,0>}
     bounded_by{ box {<-15, -15, -15>, <15, 15, 15>}}      
     accuracy 0.01
     sign -1
     eval 
     texture {T_Stone21}
     translate <6,-4.6,8>
}

cylinder{y*-12,y*-9,20
        texture {T_Wood14}
        translate <0,0,4>
}