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Figure 15.16
A lipstick shape created by rotating a circular cross section about the X axis as it is extruded. |
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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 {
diffuseColor 1.0 0.3 0.3
}
}
geometry Extrusion {
creaseAngle 1.57
crossSection [
# Circle
1.00 0.00, 0.92 -0.38,
0.71 -0.71, 0.38 -0.92,
0.00 -1.00, -0.38 -0.92,
-0.71 -0.71, -0.92 -0.38,
-1.00 -0.0, -0.92 0.38,
-0.71 0.71, -0.38 0.92,
0.00 1.00, 0.38 0.92,
0.71 0.71, 0.92 0.38,
1.00 0.00
]
spine [
# Straight-line
0.0 0.0 0.0, 0.0 4.0 0.0,
]
orientation [
0.0 1.0 0.0 0.0, 1.0 0.0 0.0 0.785
]
}
}