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- # Generic Polyray input File
- # Polyray input file: Alexander Enzmann
-
- # Set up the camera
- viewpoint {
- from <0, 5, -5>
- at <0, 0, 0>
- up <0, 1, 0>
- angle 30
- resolution 160, 160
- }
-
- # Get various surface finishes
- include "colors.inc"
-
- # Set up background color & lights
- background black
- light <10, 10, -20>
-
- # Strophoid
- define a 1
- define b -0.1
- define c 0.4
- object {
- polynomial (b - x)*(y^2 + z^2) - c^2*a*x^2 - c^2*x^3
- root_solver Ferrari
- bounds object { sphere <0, 0, 0>, sqrt(3) }
- clips object { box <-1, -1, -1>, <1, 1, 1> }
- rotate <0, -30, 0>
- shiny_red
- }
-