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Figure 23.5
Fog and backgrounds bound and unbound by touching shapes within the world. |
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Click on the image to view the VRML scene. |
#VRML V2.0 utf8
# The VRML 2.0 Sourcebook
# Copyright (c) 1997
# Andrea L. Ames, David R. Nadeau, and John L. Moreland
Group {
children [
# Initial fog and background
Fog {
color 1.0 1.0 1.0
fogType "LINEAR"
visibilityRange 40.0
},
Background { skyColor 1.0 1.0 1.0 },
# Alternate fog background
DEF AltFog Fog {
color 1.0 0.0 0.0
fogType "LINEAR"
visibilityRange 30.0
},
DEF AltBack Background { skyColor 1.0 0.0 0.0 },
# Test world
Transform {
children [
Inline { url "fogworld.wrl" },
DEF TouchWorld TouchSensor { }
]
}
]
}
ROUTE TouchWorld.isActive TO AltFog.set_bind
ROUTE TouchWorld.isActive TO AltBack.set_bind