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Figure 8.5
An animation that scales a coordinate system and the ball built within it. |
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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 [
# Pulsing ball
DEF Ball Transform {
children Shape {
appearance Appearance {
material Material { }
}
geometry Sphere { }
}
},
# Animation clock
DEF Clock TimeSensor {
cycleInterval 2.0
loop TRUE
},
# Animation path
DEF BallPath PositionInterpolator {
key [ 0.0, 0.20, 0.65, 1.0 ]
keyValue [
1.0 1.0 1.0,
1.5 1.5 1.5,
1.1 1.1 1.1,
1.0 1.0 1.0,
]
}
]
}
ROUTE Clock.fraction_changed TO BallPath.set_fraction
ROUTE BallPath.value_changed TO Ball.set_scale