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Figure 16.5
A log and fire using faces colored with colors from a Color node. |
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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 [ # A log Transform { translation 0.0 -0.4 0.0 rotation 0.0 0.0 1.0 -1.57 children Shape { appearance Appearance { material Material { diffuseColor 0.5 0.3 0.0 } } geometry Cylinder { height 2.9 radius 0.4 } } }, # A set of flames DEF Flames Shape { # No appearance, use emissive coloring geometry IndexedFaceSet { coord Coordinate { point [ -0.7 0.0 0.0, -0.8 1.5 0.0, -1.0 0.0 0.0, -0.5 0.0 0.01, -0.7 1.2 0.01, -0.9 0.0 0.01, -0.1 0.0 0.0, -0.2 1.6 0.0, -0.4 0.0 0.0, 0.3 0.0 0.01, 0.2 1.0 0.01, 0.0 0.0 0.0, ] } coordIndex [ 0, 1, 2, -1, 3, 4, 5, -1, 6, 7, 8, -1, 9, 10, 11, -1 ] solid FALSE colorPerVertex TRUE color Color { color [ 1.0 0.0 0.0, 1.0 0.5 0.0, 1.0 0.1 0.0, 0.8 0.0 0.0, 1.0 0.9 0.0, 1.0 0.0 0.0, ] } colorIndex [ 3, 4, 5, 0, 0, 1, 2, 0, 3, 4, 5, 0, 0, 1, 2, 0 ] } }, # Repeat the flames to make a roaring fire Transform { translation 0.8 0.0 0.02 scale 1.0 1.3 1.0 children USE Flames }, Transform { translation 1.1 0.0 0.04 scale 1.0 0.5 1.0 children USE Flames }, Transform { translation -0.3 0.0 0.06 scale 1.0 1.1 1.0 children USE Flames }, Transform { translation -0.1 0.0 0.08 scale 1.0 0.4 1.0 children USE Flames }, Transform { translation 0.8 0.0 0.10 scale 1.0 1.1 1.0 children USE Flames } ] }