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- // Sample Polyray file
- // A gradient texture with changing 'alpha' values
- //
- viewpoint {
- from <0, 8, -8>
- at <0,0,0>
- up <0,1,0>
- angle 45
- resolution 160, 160
- }
-
- include "..\colors.inc"
-
- background midnightblue
-
- light <-10, 7, -5>
-
- define position_radial 5
- define lookup_plain 0
-
- define patriotic_radial
- texture {
- noise surface {
- color white
- position_fn position_radial
- lookup_fn lookup_plain
- octaves 3
- turbulence 0.1
- ambient 0.3
- diffuse 0.8
- specular 0.3
- microfacet Reitz 5
- color_map(
- [0.0, 0.3, white, white]
- [0.3, 0.4, white, red]
- [0.4, 0.6, red, red]
- [0.6, 0.8, red, blue]
- [0.8, 0.9, blue, blue]
- [0.8, 1.0, blue, white])
- }
- }
-
- object {
- sphere <0, 0, 0>, 1
- texture { checker matte_white, matte_black }
- }
- object {
- disc <0, -1, 0>, <0, 1, 0>, 20
- patriotic_radial
- }
-