<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.3//EN" "https://www.web3d.org/specifications/x3d-3.3.dtd">
<X3D profile='Interactive'  version='3.3'  xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation =' https://www.web3d.org/specifications/x3d-3.3.xsd ' >
<head>
<meta name='title' content=' Switch.x3d '/>
<meta name='description' content='Example for Switch node'/>
<meta name='creator' content='Leonard Daly and Don Brutzman'/>
<meta name='created' content='13 November 2005'/>
<meta name='modified' content='20 October 2019'/>
<meta name='reference' content=' https://X3dGraphics.com '/>
<meta name='reference' content=' https://www.web3d.org/x3d/content/examples/X3dResources.html '/>
<meta name='rights' content='Copyright (c) 2005, Daly Realism and Don Brutzman'/>
<meta name='subject' content=' X3D book, X3D graphics, X3D-Edit, http://www.x3dGraphics.com '/>
<meta name='identifier' content=' https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter03Grouping/Switch.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: AnimationGroup, BoxShape, ConeShape, Counter, CylinderShape, SphereShape, Switcher, Timer
Index for Viewpoint node: Viewpoint_1
-->
<Scene>
<WorldInfo title='Switch.x3d'/>
<Background skyColor='1 1 1'/>
<Viewpoint description='Switch among multiple children' orientation='-0.668 -0.724 -0.174 0.7' position='-1.93 1.78 3.28'/>
<!-- Authors can manually change whichChoice values (from 0 through 3) to show each child shape -->
<!-- ROUTE information for Switcher node:  [from Counter.value_changed to whichChoice ] -->
 <Switch DEF='Switcher' whichChoice='0'>
<Shape DEF='BoxShape'>
<Appearance>
<Material diffuseColor='1 0 0'/>
</Appearance>
<Box/>
</Shape>
<Shape DEF='ConeShape'>
<Appearance>
<Material diffuseColor='1 1 0'/>
</Appearance>
<Cone/>
</Shape>
<Shape DEF='CylinderShape'>
<Appearance>
<Material diffuseColor='0 1 0'/>
</Appearance>
<Cylinder/>
</Shape>
<Shape DEF='SphereShape'>
<Appearance>
<Material diffuseColor='0 0 1'/>
</Appearance>
<Sphere/>
</Shape>
</Switch>
<Group DEF='AnimationGroup'>
<!-- Total cycleInterval="8"
gives 2 seconds to each of the 4 colors -->
<!-- Authors can set enabled='true' loop='true' for a continuous animation -->
<!-- ROUTE information for Timer node:  [from fraction_changed to Counter.set_fraction ] -->
 <TimeSensor DEF='Timer' cycleInterval='8' enabled='false' loop='true'/>

<!-- ROUTE information for Counter node:  [from Timer.fraction_changed to set_fraction ] [from value_changed to Switcher.whichChoice ] -->
 <IntegerSequencer DEF='Counter' key='0 .25 .5 .75 1' keyValue='0 1 2 3 0'/>

< ROUTE  fromNode=' Timer' fromField='fraction_changed' toNode=' Counter' toField='set_fraction'/>
< ROUTE  fromNode=' Counter' fromField='value_changed' toNode=' Switcher' toField='whichChoice'/>
</Group>
</Scene>
</X3D>
<!--
to top <!-- Event Graph ROUTE Table shows event connections -->
 
<!-- Index for DEF nodes: AnimationGroup, BoxShape, ConeShape, Counter, CylinderShape, SphereShape, Switcher, Timer
Index for Viewpoint node: Viewpoint_1
-->

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.

Timer
TimeSensor
fraction_changed
SFFloat

ROUTE
event to
(1)
Counter
IntegerSequencer
set_fraction
SFFloat
 
 
then 		Counter
IntegerSequencer
value_changed
SFInt32

ROUTE
event to
(2)
Switcher
Switch
whichChoice
SFInt32

-->

<!-- Online at
https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter03Grouping/SwitchIndex.html -->
<!-- Version control at
https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter03Grouping/Switch.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)
-->

to top <!-- For additional help information about X3D scenes, please see X3D Tooltips, X3D Resources, and X3D Scene Authoring Hints. -->