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Figure 10.8
A blinking sphere. |
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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 [ # Blinking ball Shape { appearance Appearance { material DEF BallColor Material { diffuseColor 0.4 0.4 0.4 } } geometry Sphere { } }, # Animation clock DEF Clock TimeSensor { cycleInterval 1.0 loop TRUE }, # Animation path DEF ColorPath ColorInterpolator { key [ 0.0, 0.5, 0.5, 1.0 ] keyValue [ 0.0 1.0 0.0, 0.0 1.0 0.0, 0.0 0.0 1.0, 0.0 0.0 1.0, ] } ] } ROUTE Clock.fraction_changed TO ColorPath.set_fraction ROUTE ColorPath.value_changed TO BallColor.set_emissiveColor