1 |
<?xml version="1.0" encoding="UTF-8"?>
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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='Figure30_5ScriptTorusBuilder.x3d'/> |
6 | <meta name='creator' content='Figure 30.5, 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/ch30/30fig05.htm'/> |
8 | <meta name='translator' content='Don Brutzman'/> |
9 | <meta name='created' content='28 September 2000'/> |
10 | <meta name='modified' content='20 October 2019'/> |
11 | <meta name='description' content='A torus shape built with a donut-maker program script. Also see Figures 31.6 and 31.7 for comparison.'/> |
12 | <meta name='identifier' content='https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter30Scripts/Figure30_5ScriptTorusBuilder.x3d'/> |
13 | <meta name='generator' content='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/> |
14 | <meta name='license' content='../../license.html'/> |
15 | </head> |
16 | <Scene> |
17 | <WorldInfo title='Figure30_5ScriptTorusBuilder.x3d'/> |
18 | <Viewpoint description='Torus' orientation='1 0 0 -0.78' position='0 5 5'/> |
19 | <Group> |
20 | <Shape> |
21 |
<!-- ROUTE information for Donut node:
[from DonutMakerInternalScript.spine_changed to set_spine
]
[from DonutMakerInternalScript.crossSection_changed to set_crossSection
]
-->
<Extrusion DEF='Donut' beginCap='false' convex='false' creaseAngle='1.57' endCap='false'/> |
22 | <Appearance> |
23 | <Material diffuseColor='0 0.4 0.8'/> |
24 | </Appearance> |
25 | </Shape> |
26 | <Script DEF='DonutMakerExternalScript' url=' "donutmaker.js" "https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter30Scripts/donutmaker.js" '> |
27 | <field name='spineRadius' type='SFFloat' value='2' accessType='initializeOnly'/> |
28 | <field name='crossSectionRadius' type='SFFloat' value='1' accessType='initializeOnly'/> |
29 | <field name='spineResolution' type='SFInt32' value='16' accessType='initializeOnly'/> |
30 | <field name='crossSectionResolution' type='SFInt32' value='16' accessType='initializeOnly'/> |
31 | <field name='set_spineRadius' type='SFFloat' accessType='inputOnly'/> |
32 | <field name='set_crossSectionRadius' type='SFFloat' accessType='inputOnly'/> |
33 | <field name='spine_changed' type='MFVec3f' accessType='outputOnly'/> |
34 | <field name='crossSection_changed' type='MFVec2f' accessType='outputOnly'/> |
35 | </Script> |
36 |
<!-- ROUTE information for DonutMakerInternalScript node:
[from spine_changed to Donut.set_spine
]
[from crossSection_changed to Donut.set_crossSection
]
-->
<Script DEF='DonutMakerInternalScript'> |
37 | <field name='spineRadius' type='SFFloat' value='2' accessType='initializeOnly'/> |
38 | <field name='crossSectionRadius' type='SFFloat' value='1' accessType='initializeOnly'/> |
39 | <field name='spineResolution' type='SFInt32' value='16' accessType='initializeOnly'/> |
40 | <field name='crossSectionResolution' type='SFInt32' value='16' accessType='initializeOnly'/> |
41 | <field name='set_spineRadius' type='SFFloat' accessType='inputOnly'/> |
42 | <field name='set_crossSectionRadius' type='SFFloat' accessType='inputOnly'/> |
43 | <field name='spine_changed' type='MFVec3f' accessType='outputOnly'/> |
44 | <field name='crossSection_changed' type='MFVec2f' accessType='outputOnly'/> |
<![CDATA[
ecmascript: function initialize( ) { generateCrossSection( ); generateSpine( ); } function set_crossSectionRadius( csr, ts ) { crossSectionRadius = csr; generateCrossSection( ); // Browser.println ('crossSectionRadius = ' + csr); } function set_spineRadius( sr, ts ) { spineRadius = sr; generateSpine( ); // Browser.println ('spineRadius = ' + sr); } function generateCrossSection( ) { angle = 0.0; delta = (2 * 3.141592653) / crossSectionResolution; for ( i = 0; i <= crossSectionResolution; i++ ) { crossSection_changed[i][0] = crossSectionRadius * Math.cos( angle ); crossSection_changed[i][1] = -crossSectionRadius * Math.sin( angle ); angle += delta; } // added code to make ends meet crossSection_changed[crossSectionResolution + 1][0] = crossSection_changed[0][0]; crossSection_changed[crossSectionResolution + 1][1] = crossSection_changed[0][1]; } function generateSpine( ) { angle = 0.0; delta = (2 * 3.141592653) / spineResolution; for ( i = 0; i <= spineResolution; i++ ) { spine_changed[i][0] = spineRadius * Math.cos( angle ); spine_changed[i][1] = 0.0; spine_changed[i][2] = -spineRadius * Math.sin( angle ); angle += delta; } // added code to make ends meet spine_changed[spineResolution + 1][0] = spine_changed[0][0]; spine_changed[spineResolution + 1][1] = 0.0; spine_changed[spineResolution + 1][2] = spine_changed[0][2]; }
]]>
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46 | </Script> |
47 | </Group> |
48 | <!-- Either ROUTE from DonutMakerExternalScript or DonutMakerInternalScript, both methods work --> |
49 | < ROUTE fromNode='DonutMakerInternalScript' fromField='spine_changed' toNode='Donut' toField='set_spine'/> |
50 | < ROUTE fromNode='DonutMakerInternalScript' fromField='crossSection_changed' toNode='Donut' toField='set_crossSection'/> |
51 | </Scene> |
52 | </X3D> |
Event Graph ROUTE Table entries with 2 ROUTE connections total, showing X3D event-model relationships for this scene.
Each row shows an event cascade that may occur during a single timestamp interval between frame renderings, as part of the X3D execution model.
DonutMakerInternalScript
Script spine_changed MFVec3f |
Donut
Extrusion set_spine MFVec3f |
|
DonutMakerInternalScript
Script crossSection_changed MFVec2f |
Donut
Extrusion set_crossSection MFVec2f |
<!--
Color legend: X3D terminology
<X3dNode
DEF='idName' field='value'/>
matches XML terminology
<XmlElement
DEF='idName' attribute='value'/>
(Light-blue background: event-based behavior node or statement)
(Grey background inside box: inserted documentation)
(Magenta background: X3D Extensibility)
-->
<!-- For additional help information about X3D scenes, please see X3D Tooltips, X3D Resources, and X3D Scene Authoring Hints. -->