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- //
- // POV-Ray(tm) 3.0 tutorial example scene.
- // Copyright 1996 by the POV-Ray Team
- //
-
- #include "colors.inc"
-
- camera {
- location <0, .1, -25>
- look_at 0
- angle 36
- }
-
- background { color White }
-
- light_source{ <300, 300, -1000> White }
-
- #declare Half_Torus = difference {
- torus { 4,1
- sturm
- rotate x*-90 // so we can see it from the top
- }
- box { <-5, -5, -1>, <5, 0, 1> }
- }
-
- #declare Flip_It_Over = x*180
- #declare Torus_Translate = 8
- #declare Link_Translate = Torus_Translate*2-2*y
-
- #declare Chain_Segment = cylinder { <0, 4, 0>, <0, -4, 0>, 1 }
-
- #declare Chain_Gold = texture {
- pigment { BrightGold }
- finish {
- ambient .1
- diffuse .4
- reflection .25
- specular 1
- metallic
- }
- }
-
- #declare Link = union {
- object { Half_Torus
- translate y*Torus_Translate/2
- }
- object { Half_Torus
- rotate Flip_It_Over
- translate -y*Torus_Translate/2
- }
- object { Chain_Segment
- translate x*Torus_Translate/2
- }
- object { Chain_Segment
- translate -x*Torus_Translate/2
- }
- texture { Chain_Gold }
- }
-
- #declare Link_Pair = union {
- object { Link }
- object { Link translate y*Link_Translate rotate y*90 }
- }
-
- #declare Chain = union {
- object { Link_Pair}
- object { Link_Pair translate y*Link_Translate*2 }
- object { Link_Pair translate y*Link_Translate*4 }
- object { Link_Pair translate y*Link_Translate*6 }
- object { Link_Pair translate -y*Link_Translate*2 }
- object { Link_Pair translate -y*Link_Translate*4 }
- object { Link_Pair translate -y*Link_Translate*6 }
- }
-
- object { Chain scale .1 rotate <0, 45, -45> }
-
-