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// This work is licensed under the Creative Commons Attribution-ShareAlike 3.0 Unported License.
// To view a copy of this license, visit http://creativecommons.org/licenses/by-sa/3.0/ or send a
// letter to Creative Commons, 444 Castro Street, Suite 900, Mountain View, California, 94041, USA.
// Persistence Of Vision raytracer sample file.
// File by Dan Farmer
// Lambda/omega demonstration
#version 3.7;
global_settings {
assumed_gamma 1.5
}
#include "colors.inc"
camera {
location <0, 0, -10>
right x*image_width/image_height
angle 55
look_at 0
}
light_source { <-20, 30, -25> rgb 1 }
#declare L = clock * 3;
#declare Font="cyrvetic.ttf"
union {
text{ ttf Font
concat("lambda=",str(L,1,2)),0.1,0
scale <1.25, 1.25, 2>
translate <-3, 1, -1>
pigment { Cyan }
}
box { <-4,-0.5, -1> <4, 0.5, 1>
pigment {
gradient y
turbulence 1
lambda L
color_map {
[0.2 SteelBlue ]
[0.5 White ]
[0.9 Red ]
}
scale 0.5
}
}
translate y*1.25
}
#declare O = clock;
union {
text{ ttf Font
concat("omega=",str(O,1,2)),0.1,0
scale <1.25, 1.25, 2>
translate <-3, 1, -1>
pigment { Cyan }
}
box { <-4,-0.5, -1> <4, 0.5, 1>
pigment {
gradient y
turbulence 1
omega O
color_map {
[0.2 SteelBlue ]
[0.5 White ]
[0.9 Red ]
}
scale 0.5
}
}
translate -y*1.65
}
plane { z, 10 hollow on pigment { Plum }}
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