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Figure 19.21
A square face and four normals. |
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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
Shape {
appearance Appearance {
material Material { }
}
geometry IndexedFaceSet {
coord Coordinate {
point [
-1.0 -1.0 0.0, 1.0 -1.0 0.0,
1.0 1.0 0.0, -1.0 1.0 0.0,
]
}
coordIndex [ 0, 1, 2, 3 ]
normalPerVertex TRUE
normal Normal {
vector [
0.0 0.0 1.0, 0.0 0.0 1.0,
0.0 0.0 1.0, 0.0 0.0 1.0,
]
}
normalIndex [ 0, 1, 2, 3 ]
}
}