1// Persistence Of Vision raytracer version 3.5 sample file.
2//
3//Demonstration of the area_light "orient" keyword
4//
5// -w320 -h240
6// -w800 -h600 +a0.3
7
8#include "colors.inc"
9
10camera {location <50,42,0> direction z*1 look_at <0,2,0>}
11
12//lights
13light_source {<0,15,8+3> White*1.5
14              area_light x*1.5,z*1.5,4,4 jitter adaptive 2
15              circular
16              orient //that's here !
17              }
18
19light_source {<0,15,8-30> White*1.5
20              area_light x*1.5,z*1.5,4,4 jitter adaptive 2
21              }
22
23//objects
24#declare With =
25union {
26 text {ttf "cyrvetic","orient",.05,0}
27 text {ttf "cyrvetic","with",.05,0 translate y*1}
28 pigment {SteelBlue*2}
29 rotate <90,-90,0>
30 scale 5
31 }
32
33#declare Without =
34union {
35 text {ttf "cyrvetic","orient",.05,0}
36 text {ttf "cyrvetic","without",.05,0 translate y*1}
37 pigment {SteelBlue*2}
38 rotate <90,-90,0>
39 scale 5
40 }
41
42#declare Object_4 =
43union {
44 #declare I=0;
45 #while (I < 15)
46  box {<0,0,0>,<1,.1,10> translate <-4,I,0>}
47 #declare I=I+2;
48 #end
49rotate y*-20
50pigment {OrangeRed}
51}
52
53object {With translate <10,8.5,5+3>}
54object {Without translate <10,8.5,5-30>}
55object {Object_4 translate <0,5,8-30>}
56object {Object_4 translate <0,5,8+3>}
57
58//markers to show where the light_sources are
59sphere {<0,15,8+3>,.4 pigment {Green*2} finish {diffuse 0 ambient 1} no_shadow}
60sphere {<0,15,8-30>,.4 pigment {Green*2} finish {diffuse 0 ambient 1} no_shadow}
61
62//fill light
63light_source {<100,150,10> White*.5 shadowless}
64
65//context
66fog {distance 200 Wheat*.5}
67plane {y,0 pigment {rgb <.9,.9,1>*1.2}}
68plane {x,-10 pigment {rgb <.9,.9,1>*1.2}}
69box {<45,0,-.1>,<-150,40,.1> pigment {SteelBlue}}
70