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- // Persistence Of Vision raytracer version 2.0 sample file.
-
- // Bezier patch example
- // by Alexander Enzmann
-
-
- #include "shapes.inc"
- #include "colors.inc"
-
- bicubic_patch {
- type 1 flatness 0.1 u_steps 5 v_steps 5
- < 0.0, 0.0, 2.0>, < 1.0, 0.0, 0.0>, < 2.0, 0.0, 0.0>, < 3.0, 0.0, -2.0>,
- < 0.0, 1.0, 0.0>, < 1.0, 1.0, 0.0>, < 2.0, 1.0, 0.0>, < 3.0, 1.0, 0.0>,
- < 0.0, 2.0, 0.0>, < 1.0, 2.0, 0.0>, < 2.0, 2.0, 0.0>, < 3.0, 2.0, 0.0>,
- < 0.0, 3.0, 2.0>, < 1.0, 3.0 0.0>, < 2.0, 3.0, 0.0>, < 3.0, 3.0, -2.0>
- texture {
- pigment { checker color red 1.0 color blue 1.0 rotate 90*x }
- finish { phong 1 }
- }
-
- translate <-1.5, -1.5, 0>
- scale 2
- rotate <30, -70, 0>
- }
-
- // The viewer is eight units back along the z-axis.
- camera {
- location <0.0, 0.0, -15.0>
- right <4/3, 0.0, 0.0>
- up <0.0, 1.0, 0.0>
- direction <0.0, 0.0, 1.0>
- }
-
- // Light source
- light_source { <100, 100, 0> colour White }
-