<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.0//EN" "https://www.web3d.org/specifications/x3d-3.0.dtd">
<X3D profile='Interchange'  version='3.0'  xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation =' https://www.web3d.org/specifications/x3d-3.0.xsd ' >
<head>
<meta name='title' content='Figure19_27SquareFaceAnimatingNormals.x3d'/>
<meta name='creator' content='Figure 19.27, The VRML 2.0 Sourcebook, Copyright [1997] By Andrea L. Ames, David R. Nadeau, and John L. Moreland'/>
<meta name='reference' content=' http://www.wiley.com/legacy/compbooks/vrml2sbk/ch19/19fig27.htm '/>
<meta name='translator' content='Don Brutzman'/>
<meta name='created' content='7 September 2000'/>
<meta name='modified' content='20 October 2019'/>
<meta name='description' content='An elevation grid using a special shading effect.'/>
<meta name='identifier' content=' https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter19NormalsShading/Figure19_27SquareFaceAnimatingNormals.x3d '/>
<meta name='generator' content='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
<meta name='license' content=' ../../license.html'/>
</head>
<!--
to top <!-- Event Graph ROUTE Table shows event connections -->
 
<!-- Index for DEF nodes: AnimatedNormals, Clock, NormalPath
Index for Viewpoint nodes: Viewpoint_1, Viewpoint_2
-->
<Scene>
<WorldInfo title='Figure19_27SquareFaceAnimatingNormals.x3d'/>
<Viewpoint description='Animating normals on right vertices of a quadrilateral' position='0 0 4'/>
<Viewpoint description='Other side - note difference in animated shading' orientation='0 1 0 3.14159' position='0 0 -4'/>
<Group>
<Shape>
<IndexedFaceSet solid='false' coordIndex='0 1 2 3' normalIndex='0 1 2 3'>
<Coordinate point='-1 -1 0 1 -1 0 1 1 0 -1 1 0'/>
<!-- ROUTE information for AnimatedNormals node:  [from NormalPath.value_changed to set_vector ] -->
 <Normal DEF='AnimatedNormals' vector='0 0 1 0 0 1 0 0 1 0 0 1'/>
</IndexedFaceSet>
<Appearance>
<Material diffuseColor='0.3 0.6 0.9'/>
</Appearance>
</Shape>
<!-- ROUTE information for Clock node:  [from fraction_changed to NormalPath.set_fraction ] -->
 <TimeSensor DEF='Clock' cycleInterval='4' loop='true'/>

<!-- ROUTE information for NormalPath node:  [from Clock.fraction_changed to set_fraction ] [from value_changed to AnimatedNormals.set_vector ] -->
 <NormalInterpolator DEF='NormalPath' key='0 0.5 1' keyValue='0 0 1 0 0 1 0 0 1 0 0 1 0 0 1 1 0 0 1 0 0 0 0 1 0 0 1 0 0 1 0 0 1 0 0 1'/>
</Group>
< ROUTE  fromNode=' Clock' fromField='fraction_changed' toNode=' NormalPath' toField='set_fraction'/>
< ROUTE  fromNode=' NormalPath' fromField='value_changed' toNode=' AnimatedNormals' toField='set_vector'/>
</Scene>
</X3D>
<!--
to top <!-- Event Graph ROUTE Table shows event connections -->
 
<!-- Index for DEF nodes: AnimatedNormals, Clock, NormalPath
Index for Viewpoint nodes: Viewpoint_1, Viewpoint_2
-->

Event Graph ROUTE Table 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.

Clock
TimeSensor
fraction_changed
SFFloat

ROUTE
event to
(1)
NormalPath
NormalInterpolator
set_fraction
SFFloat
 
 
then 		NormalPath
NormalInterpolator
value_changed
SFVec3f

ROUTE
event to
(2)
AnimatedNormals
Normal
set_vector
MFVec3f

-->

<!-- Online at
https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter19NormalsShading/Figure19_27SquareFaceAnimatingNormalsIndex.html -->
<!-- Version control at
https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter19NormalsShading/Figure19_27SquareFaceAnimatingNormals.x3d -->

<!-- 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)
-->

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