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- // Persistence Of Vision raytracer version 3.0 sample file.
- // By Chris Young 76702,1655
- // Try changing C0 and C1 to various values from 0.0 to 1.0 in this scene.
-
- #version 3.0
- global_settings { assumed_gamma 2.2 }
-
- #include "colors.inc"
-
- #declare C1=1
- #declare C0=clock
- #declare Rad=1/6/10
-
- #declare Xval=-0.5
-
- camera {
- location <0, 0, -150>
- direction <0, 0, 12>
- look_at <0, 0, 0>
- }
-
- light_source { <5000, 10000, -20000> color White}
- plane { z, Rad pigment {checker color rgb <1,.8,.8> color rgb <1,1,.8>} }
-
- #declare Font="cyrvetic.ttf"
- text{ ttf Font
- concat("C0 =",str(C0,1,3)),0.5, 0
- scale <1.25, 1.25, 4>
- translate <-2.75, 4, -30>
- pigment { rgb <0.2, 0.8, 0.6> }
- }
- text{ ttf Font
- concat("C1 =",str(C1,1,3)),0.5, 0
- scale <1.25, 1.25, 4>
- translate <-2.75, 2.5, -30>
- pigment { rgb <0.2, 0.6, 0.8> }
- }
-
- union {
- #while (Xval <= 0.5)
- // This is the function that the "quilted" pattern uses
- #declare T=sqrt(3*Xval*Xval)
- #declare IT=1.0-T
- #declare TQ=T*T*T+3*T*IT*IT*C0+3*T*T*IT*C1
-
- sphere{<Xval,TQ,0>,Rad pigment{Red}}
-
- #declare Xval=Xval+0.01
- #end
- scale 10
- translate -5*y
- }
-
-