// Persistence Of Vision raytracer version 3.0 file.
//

#version 3.0
global_settings { assumed_gamma 2.2 }

camera {
   location  <0, 100, 0 >
   direction <0, -40.0,  0,>
   look_at   <0, 0, 0>
   up <0,0,1>
   right <1,0,0>
   orthographic
}

// Target sphere
sphere { <0.0, 0.0, 0.0>, 1
   pigment { color red 1 green 1 blue 1 }
}

// Spotlights are used to have parallel lighting
// Tetrahedron config

light_source { <0, -1000, 0>
color red 0  green 1 blue 1
spotlight
radius 10
falloff 10
tightness 10
point_at <0,0,0> }

light_source { <942, 333, 0>
color red 0 green 1 blue 1
spotlight
radius 10
falloff 10
tightness 10
point_at <0,0,0> }

light_source { <-471, 333, -816>
color red 0 green 1 blue 1
spotlight
radius 10
falloff 10
tightness 10
point_at <0,0,0> }

light_source { <-471, 333, 816>
color red 0 green 1 blue 1
spotlight
radius 10
falloff 10
tightness 10
point_at <0,0,0> }