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Figure 10.11
A simple space station with animating transparency for the central 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 [ # 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 TransparencyPath ScalarInterpolator { key [ 0.0, 0.5, 1.0 ] keyValue [ 0.0, 1.0, 0.0 ] } ] } ROUTE Clock.fraction_changed TO TransparencyPath.set_fraction ROUTE TransparencyPath.value_changed TO BallColor.set_transparency