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Text File
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1995-11-08
|
891b
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36 lines
// Persistence Of Vision raytracer version 3.0 sample file.
// Demonstrates #switch and #range directives
//
// If +k0 through +k2 you get red pigment
// If +k greater than 2 but less than or equal 3 you get green pigment.
// All others are blue.
#version 3.0
global_settings { assumed_gamma 2.2 }
#include "colors.inc"
camera {
location <0, 20,-100>
}
plane { y, -10
pigment {White}
finish {ambient 0.2 diffuse 0.8}
}
sphere { <0, 25, 0>, 40
#switch (clock)
#range (0,2) // Note clock=1 is red, not blue because
pigment {Red} // once a true condition is found, all
#break // other case or range values are ignored.
#range (1,3) // This range is only used if all previous
pigment {Green} // ranges or cases are false.
#break
#else
pigment {Blue}
#end
}
light_source {<100, 120, -200> colour White}