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- //
- // Cool cubic function from a POV-Ray data file by Eduard Schwan
- //
- viewpoint {
- from <-6, 6,-30>
- at <0, 0, 0>
- up <0, 1, 0>
- angle 45
- resolution 160, 160
- }
-
- light <10, 10, -10>
-
- include "..\colors.inc"
-
- background black
-
- define term1 0.2
- define term2 -0.3
- define termC 6
-
- define cubic_tubes_fn
- term2 * x^2 + term1 * x * y * z + term2 * y^2 + term2 * z^2 + termC
-
- object {
- object { polynomial cubic_tubes_fn }
- & object { sphere <0, 0, 0>, 10 }
- shiny_red
- rotate <0, 10, 0>
- }
-