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Figure 11.1b
Three versions of a cafe sign within a Switch node with the whichChoice field set to 1. Compare with Figures 11.1a and c. |
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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 Switch { whichChoice 1 choice [ # Version 0: simple round background Group { children [ DEF Cafe Shape { appearance DEF GlowWhite Appearance { material Material { emissiveColor 1.0 1.0 1.0 diffuseColor 0.0 0.0 0.0 } } geometry Text { string "Cafe" fontStyle FontStyle { justify "MIDDLE" } } }, DEF BlueDisk Transform { translation 0.0 0.3 -0.10 rotation 1.0 0.0 0.0 -1.57 children Shape { appearance Appearance { material Material { diffuseColor 0.0 0.3 0.8 } } geometry Cylinder { radius 1.3 height 0.1 } } } ] }, # Version 1: round background with white edge Group { children [ USE Cafe, USE BlueDisk, DEF WhiteDisk Transform { translation 0.0 0.3 -0.10 rotation 1.0 0.0 0.0 -1.57 children Shape { appearance USE GlowWhite geometry Cylinder { radius 1.4 height 0.08 } } } ] }, # Version 2: round background, white edge, red box Group { children [ USE Cafe, USE BlueDisk, USE WhiteDisk, DEF RedAndWhiteBoxes Transform { translation 0.0 0.3 -0.10 children [ Shape { appearance Appearance { material Material { diffuseColor 0.8 0.0 0.0 } } geometry Box { size 4.0 1.2 0.06 } }, Shape { appearance USE GlowWhite geometry Box { size 4.2 1.4 0.04 } } ] } ] } ] }