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Figure 10.9
Three blinking spheres. |
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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 balls Transform { translation -2.0 0.0 0.0 children Shape { appearance Appearance { material DEF Ball1Color Material { diffuseColor 0.4 0.4 0.4 } } geometry DEF ABall Sphere { } } }, Shape { appearance Appearance { material DEF Ball2Color Material { diffuseColor 0.4 0.4 0.4 } } geometry USE ABall }, Transform { translation 2.0 0.0 0.0 children Shape { appearance Appearance { material DEF Ball3Color Material { diffuseColor 0.4 0.4 0.4 } } geometry USE ABall } }, # Animation clocks DEF Clock1 TimeSensor { cycleInterval 1.0 loop TRUE }, DEF Clock2 TimeSensor { cycleInterval 1.3 loop TRUE }, DEF Clock3 TimeSensor { cycleInterval 0.7 loop TRUE }, # Animation paths DEF Color1Path ColorInterpolator { key [ 0.0, 0.5, 0.5, 1.0 ] keyValue [ 1.0 1.0 0.0, 1.0 1.0 0.0, 0.0 1.0 0.0, 0.0 1.0 0.0, ] }, DEF Color2Path 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, ] }, DEF Color3Path ColorInterpolator { key [ 0.0, 0.5, 0.5, 1.0 ] keyValue [ 0.5 0.5 0.5, 0.5 0.5 0.5, 1.0 1.0 1.0, 1.0 1.0 1.0, ] } ] } ROUTE Clock1.fraction_changed TO Color1Path.set_fraction ROUTE Clock2.fraction_changed TO Color2Path.set_fraction ROUTE Clock3.fraction_changed TO Color3Path.set_fraction ROUTE Color1Path.value_changed TO Ball1Color.set_emissiveColor ROUTE Color2Path.value_changed TO Ball2Color.set_emissiveColor ROUTE Color3Path.value_changed TO Ball3Color.set_emissiveColor