// Persistence Of Vision raytracer version 3.0 tutorial file.
// File by Simon Smith

// Technical bits start here

#version 3.0
global_settings { assumed_gamma 2.2 }

#include "colors.inc"

// The next seven lines define the viewpoint

camera {
 location <11, 15, -3>
 direction <0.0, 0.0, 0.5>
 up <0.0, 1.0, 0.0>
 right <7/5, 0.0, 0.0>
 look_at <12, 7, 10>
 }

// If we didn't have a light source, the whole scene would be completely black

light_source { <30, 40, 5> color White }

// The next seven lines define the sheet of white paper

 box { <0, 0, 0>, <30, 0.1, 20>
   texture {
     pigment { White }
     normal { bumps 0.1 scale 0.1 }
     finish { ambient 0.2 diffuse 0.7 }
     }
   }

// The next six lines are the information for the red sphere

 sphere { <15, 10, 10>, 5
   texture {
     pigment { Red }
     finish { phong 1.0 reflection 0.3 ambient 0.2 diffuse 0.7 }
     }
   }

// The next six lines are the information for the blue box

 box { <12, 0, 5>, <12.5, 20, 5.5>
   texture {
     pigment { Blue }
     finish { phong 1.0 reflection 0.3 ambient 0.2 diffuse 0.7 }
     }
   }

// The next 21 lines are the information for the green prism

#declare corner_p=<10,5,2>
#declare corner_q=<2,5,4>
#declare corner_r=<22,12,5>
#declare corner_s=<10,5,3>
#declare corner_t=<2,5,5>
#declare corner_u=<22,12,6>

 mesh {
   triangle { corner_p, corner_q, corner_r }
   triangle { corner_p, corner_q, corner_s }
   triangle { corner_p, corner_s, corner_r }
   triangle { corner_s, corner_u, corner_r }
   triangle { corner_s, corner_t, corner_q }
   triangle { corner_s, corner_t, corner_u }
   triangle { corner_q, corner_t, corner_r }
   triangle { corner_u, corner_t, corner_r }
   texture {
     pigment { Green }
     finish { phong 1.0 reflection 0.3 ambient 0.2 diffuse 0.7 }
     }
   }

// End of file