| 1 |
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| 2 |
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.0//EN" "https://www.web3d.org/specifications/x3d-3.0.dtd">
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| 3 | <X3D profile='Immersive' version='3.0' xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation='https://www.web3d.org/specifications/x3d-3.0.xsd'> |
| 4 | <head> |
| 5 | <meta name='title' content=' Figure15_11ExtrudedPlaygroundSlide.x3d '/> |
| 6 | <meta name='creator' content='Figure 15.11, The VRML 2.0 Sourcebook, Copyright [1997] By Andrea L. Ames, David R. Nadeau, and John L. Moreland'/> |
| 7 | <meta name='reference' content=' http://www.wiley.com/legacy/compbooks/vrml2sbk/ch15/15fig11.htm '/> |
| 8 | <meta name='translator' content='Don Brutzman'/> |
| 9 | <meta name='created' content='20 August 2000'/> |
| 10 | <meta name='modified' content='20 October 2019'/> |
| 11 | <meta name='description' content='A playground slide built by extruding a half-circle cross section along a helical spine.'/> |
| 12 | <meta name='identifier' content=' https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter15Extrusion/Figure15_11ExtrudedPlaygroundSlide.x3d '/> |
| 13 | <meta name='generator' content='X3D-Edit 3.3, https://www.web3d.org/x3d/tools/X3D-Edit'/> |
| 14 | <meta name='license' content='../../license.html'/> |
| 15 | </head> |
| 16 | <Scene> |
| 17 | <!-- Computational cost of Extrusion compared to IndexedFaceSet: quicker to download, takes time to calculate polygonal faces and normals during initial loading, equally fast at run time. --> |
| 18 | <!-- Authoring capabilities of Extrusion compared to IndexedFaceSet: can be more complicated to express, but also can provide great detail with much less effort. --> |
| 19 | <!-- First position and rotate viewpoint into positive-X-Y-Z octant --> |
| 20 | <WorldInfo title='Figure15_11ExtrudedPlaygroundSlide.x3d'/> |
| 21 | <Viewpoint description='Extruded playground slide' orientation='-0.37796 0.91249 0.15656 0.85225' position='10 7 10'/> |
| 22 | <Shape> |
| 23 | <Appearance> |
| 24 | <Material diffuseColor='0 1 0.7'/> |
| 25 | </Appearance> |
| 26 | <Extrusion beginCap='false' convex='false' creaseAngle='0.785' crossSection='-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 0.00' endCap='false' solid='false' spine='2.00 0.00 -0.00 1.85 0.12 -0.77 1.41 0.24 -1.41 0.77 0.36 -1.85 0.00 0.48 -2.00 -0.77 0.61 -1.85 -1.41 0.73 -1.41 -1.85 0.85 -0.77 -2.00 0.97 0.00 -1.85 1.09 0.77 -1.41 1.21 1.41 -0.77 1.33 1.85 0.00 1.45 2.00 0.77 1.58 1.85 1.41 1.70 1.41 1.85 1.82 0.77 2.00 1.94 0.00 1.85 2.06 -0.77 1.41 2.18 -1.41 0.77 2.30 -1.85 0.00 2.42 -2.00 -0.77 2.55 -1.85 -1.41 2.67 -1.41 -1.85 2.79 -0.77 -2.00 2.91 0.00 -1.85 3.03 0.77 -1.41 3.15 1.41 -0.77 3.27 1.85 0.00 3.39 2.00 0.77 3.52 1.85 1.41 3.64 1.41 1.85 3.76 0.77 2.00 3.88 0.00'/> |
| 27 | </Shape> |
| 28 | </Scene> |
| 29 | </X3D> |
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