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Figure 18.27
An animated, rotating fan texture. |
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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 [ # Rotating fan Shape { appearance Appearance { material Material { } texture ImageTexture { url "fan.png" repeatS FALSE repeatT FALSE } textureTransform DEF FanRotation TextureTransform { center 0.5 0.5 } } geometry DEF Square IndexedFaceSet { coord Coordinate { point [ -1.0 -1.0 -0.1, 1.0 -1.0 -0.1, 1.0 1.0 -0.1, -1.0 1.0 -0.1, ] } coordIndex [ 0, 1, 2, 3, ] texCoord TextureCoordinate { point [ 0.0 0.0, 1.0 0.0, 1.0 1.0, 0.0 1.0, ] } texCoordIndex [ 0, 1, 2, 3, ] solid FALSE } }, # Grill in front Transform { translation 0.0 0.0 0.1 children Shape { appearance Appearance { material Material { } texture ImageTexture { url "grill.png" } textureTransform TextureTransform { rotation 0.785 scale 8.0 8.0 center 0.5 0.5 } } geometry USE Square } }, # Animation clock DEF Clock TimeSensor { cycleInterval 10.0 loop TRUE }, # Animation path DEF FanPath ScalarInterpolator { key [ 0.0, 0.5, 1.0 ] keyValue [ 0.0, 3.14, 6.28 ] }, ] } ROUTE Clock.fraction_changed TO FanPath.set_fraction ROUTE FanPath.value_changed TO FanRotation.set_rotation