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// This work is licensed under the Creative Commons Attribution 3.0 Unported License.
// To view a copy of this license, visit http://creativecommons.org/licenses/by/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.
//
//Demonstration of the area_light "circular" keyword
//
// -w320 -h240
// -w800 -h600 +a0.3
#version 3.7;
global_settings {assumed_gamma 1.0}
#include "colors.inc"
camera { location <50,42,0>
right x*image_width/image_height
angle 65 // direction z*1
look_at <0,2,0>
}
//lights
light_source {<10,15,15> White*1.5
area_light x*1.5,z*1.5,4,4 adaptive 1
circular //that's here !
}
light_source {<10,15,-15> White*1.5
area_light x*1.5,z*1.5,4,4 adaptive 1
}
//objects
#declare With =
union {
text {ttf "cyrvetic","circular",.05,0}
text {ttf "cyrvetic","with",.05,0 translate y*1}
pigment {SteelBlue}
rotate <0,-90,0>
scale 3
}
#declare Without =
union {
text {ttf "cyrvetic","circular",.05,0}
text {ttf "cyrvetic","without",.05,0 translate y*1}
pigment {SteelBlue}
rotate <0,-90,0>
scale 3
}
#declare Object_4 = union {
disc {<0,0,0>,y,1,0 pigment {OrangeRed}}
disc {<0,0,0>,y,4,2 pigment {OrangeRed}}
disc {<0,0,0>,y,7,5 pigment {OrangeRed}}
}
object {With translate <-5,12,5+3> no_shadow}
object {Without translate <-5,12,5-30> no_shadow}
object {Object_4 translate <10,10,15>}
object {Object_4 translate <10,10,-15>}
//markers to show where the light_sources are
sphere {<10,15,15>,.4 pigment {Green*2} finish {diffuse 0 ambient 1} no_shadow}
sphere {<10,15,-15>,.4 pigment {Green*2} finish {diffuse 0 ambient 1} no_shadow}
//context
fog {distance 200 Wheat*.5}
plane {y,0 pigment {rgb <.9,.9,1>*1.2}}
plane {x,-10 pigment {rgb <.9,.9,1>*1.2}}
box {<45,0,-.1>,<-150,40,.1> pigment {SteelBlue}}
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