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- // Persistence Of Vision raytracer version 2.0 sample file.
-
- // By Aaron a. Collins
-
- /* Window Highlighting Scene by Aaron a. Collins */
- /* This file is hereby released to the public domain. */
-
- #include "colors.inc"
-
- /* Someone to take in the breathtaking view... */
-
- camera {
- location <0, 20, -100>
- direction <0, 0, 1>
- up <0, 1, 0>
- right <4/3, 0, 0>
- }
-
- /* Put down the beloved famous raytrace green/yellow checkered floor */
-
- plane { y, -10
- pigment {
- checker colour Yellow colour Green
- scale 20
- }
- finish {ambient 0.1 diffuse 0.9}
- }
-
- /*
- Now a CBlue Plastic sphere floating in space over the ground - note that no
- Phong or specular reflection is given. Any would conflict with the window
- "highlights" by showing that they are not exactly in the mirror direction!
- */
-
- sphere { <0, 25, 0>, 40
- pigment {Blue}
- finish {reflection 0.8 ambient 0.3 diffuse 0.7}
- }
-
- /*
- a wall with a window frame to block the light source and cast the shadows
- */
-
- union {
- triangle { <-1000, -1000, 0>, <1000, 4, 0>, <1000, -1000, 0>}
- triangle { <-1000, -1000, 0>, <1000, 4, 0>, <-1000, 4, 0>}
- triangle { <4, 4, 0>, <-1000, 21, 0>, <-1000, 4, 0>}
- triangle { <4, 4, 0>, <-1000, 21, 0>, <4, 21, 0>}
- triangle { <-1000, 21, 0>, <1000, 1000, 0>, <-1000, 1000, 0>}
- triangle { <-1000, 21, 0>, <1000, 1000, 0>, <1000, 21, 0>}
- triangle { <1000, 4, 0>, <17, 21, 0>, <1000, 21, 0>}
- triangle { <1000, 4, 0>, <17, 21, 0>, <17, 4, 0>}
- triangle { <4, 12, 0>, <17, 13, 0>, <4, 13, 0>}
- triangle { <4, 12, 0>, <17, 13, 0>, <17, 12, 0>}
- triangle { <10, 21, 0>, <11, 4, 0>, <11, 21, 0>}
- triangle { <10, 21, 0>, <11, 4, 0>, <10, 4, 0>}
- translate <39, 89, -120>
-
- pigment {Black}
- finish {ambient 1 diffuse 0}
- }
-
- /*
- Now, the 4 actual "panes" to be reflected back onto the sphere for psuedo-
- "highlights". They are not exactly co-incident with where the actual light
- source is, because they would block the light. They are very near by where
- the openings are in the black wall above, close enough to give the proper
- illusion. This is massive cheating, but then, this isn't reality, you see.
- */
-
- union {
- triangle { <4, 21, 0>, <10, 13, 0>, <10, 21, 0>}
- triangle { <4, 21, 0>, <10, 13, 0>, <4, 13, 0>}
-
- triangle { <11, 21, 0>, <17, 13, 0>, <11, 13, 0>}
- triangle { <11, 21, 0>, <17, 13, 0>, <17, 21, 0>}
-
- triangle { <4, 12, 0>, <10, 4, 0>, <4, 4, 0>}
- triangle { <4, 12, 0>, <10, 4, 0>, <10, 12, 0>}
-
- triangle { <11, 12, 0>, <17, 4, 0>, <11, 4, 0>}
- triangle { <11, 12, 0>, <17, 4, 0>, <17, 12, 0>}
- scale 15
- translate <20, 90, -100>
-
- pigment {White}
- finish {ambient 1 diffuse 0}
- }
-
-
- /* a Light above the sphere, behind the camera and window frame for shadows */
-
- light_source {<50, 111, -130> colour White}
-