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Figure 10.6
A multicolored space station where the center sphere animates from red, to green, to blue, and back to red. |
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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 [
# Station Shapes
Shape {
appearance Appearance {
material DEF BallColor Material {
diffuseColor 1.0 0.0 0.0
}
}
geometry Sphere { }
},
Shape {
appearance Appearance {
material Material {
diffuseColor 0.5 0.25 1.0
}
}
geometry Cylinder {
radius 2.0
height 0.05
}
},
Shape {
appearance Appearance {
material Material {
diffuseColor 0.75 0.0 1.0
}
}
geometry Cylinder {
radius 0.15
height 5.0
}
},
# Animation clock
DEF Clock TimeSensor {
cycleInterval 4.0
loop TRUE
},
# Animation path
DEF ColorPath ColorInterpolator {
key [ 0.0, 0.33, 0.67, 1.0 ]
keyValue [
1.0 0.0 0.0, 0.0 1.0 0.0,
0.0 0.0 1.0, 1.0 0.0 0.0,
]
}
]
}
ROUTE Clock.fraction_changed TO ColorPath.set_fraction
ROUTE ColorPath.value_changed TO BallColor.set_diffuseColor