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- // Persistence Of Vision raytracer version 3.0 sample file.
- // Iridescence "amount" example
-
- #version 3
- global_settings { assumed_gamma 2.2 }
-
- #include "colors.inc"
- #include "textures.inc"
- #include "shapes.inc"
-
- camera {
- location <0, 0, -10>
- up y
- right x*1.3333
- direction z*3
- look_at 0
- }
- light_source { < 150, 150, -2500> colour Gray90 }
-
- // Top row: varies irid amount
- union {
- sphere { <-1, 0, 0>, 0.45
- pigment { White }
- finish {
- Shiny
- diffuse 0.2
- irid {0.25 thickness 2/4 turbulence 0.75}
- }
- }
- sphere { < 0, 0, 0>, 0.45
- pigment { White }
- finish {
- Shiny
- diffuse 0.2
- irid {0.5 thickness 2/4 turbulence 0.75}
- }
- }
- sphere { < 1, 0, 0>, 0.45
- pigment { White }
- finish {
- Shiny
- diffuse 0.2
- irid {0.75 thickness 2/4 turbulence 0.75}
- }
- }
- translate y*1
- }
-
- // Center row: varies irid thickness
- union {
- sphere { <-1, 0, 0>, 0.45
- pigment { White }
- finish {
- Shiny
- diffuse 0.2
- irid {0.5 thickness 0.5 turbulence 0.5}
- }
- }
- sphere { < 0, 0, 0>, 0.45
- pigment { White }
- finish {
- Shiny
- diffuse 0.2
- irid {0.5 thickness 2 turbulence 0.5}
- }
- }
- sphere { < 1, 0, 0>, 0.45
- pigment { White }
- finish {
- Shiny
- diffuse 0.2
- irid {0.5 thickness 8 turbulence 0.5}
- }
- }
- }
-
- // Right bottom: varies irid turbulence
- union {
- sphere { <-1, 0, 0>, 0.45
- pigment { White }
- finish {
- Shiny
- diffuse 0.2
- irid {0.5 thickness 2 turbulence 0.1}
- }
- }
- sphere { < 0, 0, 0>, 0.45
- pigment { White }
- finish {
- Shiny
- diffuse 0.2
- irid {0.5 thickness 2 turbulence 1}
- }
- }
- sphere { < 1, 0, 0>, 0.45
- pigment { White }
- finish {
- Shiny
- diffuse 0.2
- irid {0.5 thickness 2 turbulence 2}
- }
- }
- translate -y*1
- }
-
-