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Chestnut's Multimedia Mania
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MM_MANIA.ISO
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povscn20
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filtfun.pov
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1993-09-27
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// Persistence Of Vision raytracer version 2.0 sample file.
// Fun with filter (and other neat tricks).
#include "shapes.inc"
#include "colors.inc"
camera {
location <0, 2, -4.5>
direction <0, 0, 1>
up <0, 1, 0>
right <4/3, 0, 0>
look_at <0, 0.4, 0>
}
// Floor, with phoney gray "planks"
plane { y, 0
pigment {
gradient x
color_map {
[0, 0.25 color Gray color Gray]
[0.25, 0.50 color DimGray color LightGray]
[0.50, 0.75 color LightGray color Gray]
[0.75, 1 color Gray color Gray]
}
scale <0.45, 1, 1>
}
finish{ambient 0.1 diffuse 0.7}
}
// Note: Clear = color White filter 1
// A blobby sphere
sphere { <0, 1, -1.5>, 1
pigment {
bozo
turbulence 0.5
octaves 1
scale 0.2
color_map {
[0, 0.5 color red 1 filter 0.5 color red 1 filter 1]
[0.5, 1 color Clear color Clear]
}
}
finish {ambient 0.15 diffuse 0.7}
}
// A sliced green box
object { UnitBox
rotate 45*y
translate <-4, 1, 4>
pigment {
gradient y
color_map {
[0, 0.5 color Green color Green]
[0.5, 1 color Clear color Clear]
}
scale 0.5
}
}
// A yellow, swirly finite cylinder
object { Disk_Y
translate <4, 1, 4>
pigment {
gradient y
turbulence 2
octaves 1
color_map {
[0, 0.5 color Yellow color Yellow]
[0.5, 1 color Clear color Clear]
}
scale 0.5
}
}
light_source { <10, 12, -40> colour White }