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-
- /*
- spot light demo -- shows 3 spot lights shining on the floor.
- The leftmost one is fully illuminated all the way
- across. The rightmost one uses min_angle = 0 for
- a smoother effect. The middle one shows that going
- half way leads to a great demonstration of Mach
- banding. :-)
- */
-
- #include color.vc
-
- studio {
- from 0 -10 8
- at 0 0 0
- up 0 0 1
- angle 60
- res 640 480
- antialias quick
- threshold 2
- aspect 4/3
- background { greys.map }
-
- ambient white * .1
- }
-
- light {
- type spot
- color white * 10
- falloff 1
- position -4 0 10
- direction 0 .3 -1
- min_angle 20
- max_angle 20
- }
- light {
- type spot
- color white * 10
- falloff 1
- position 0 0 10
- direction 0 0 -1
- min_angle 10
- max_angle 20
- }
- light {
- type spot
- color white * 10
- falloff 1
- position 4 0 10
- direction 0 -.3 -1
- min_angle 0
- max_angle 20
- }
-
- surface {
- diff white
- }
- ring { center 0 0 0 normal 0 0 1 radius 10000 }
-