<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.3//EN" "http://www.web3d.org/specifications/x3d-3.3.dtd">
<X3D profile='Immersive' version='3.3 xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation =' http://www.web3d.org/specifications/x3d-3.3.xsd '>
<head>
<meta name='titlecontent='Chopper.x3d'/>
<meta name='descriptioncontent='Rotor node provides animation and serves as an ExternProtoDeclare example'/>
<meta name='creatorcontent='Don Brutzman and Joe Williams'/>
<meta name='createdcontent='1 June 2002'/>
<meta name='modifiedcontent='5 November 2018'/>
<meta name='specificationSectioncontent=' X3D encodings, ISO/IEC 19776-1.3, Part 1: XML encoding, Annex C.16 Chopper'/>
<meta name='specificationUrlcontent=' http://www.web3d.org/documents/specifications/19776-1/V3.3/Part01/examples.html#Chopper '/>
<meta name='identifiercontent=' http://www.web3d.org/x3d/content/examples/Basic/X3dSpecifications/Chopper.x3d '/>
<meta name='generatorcontent='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
<meta name='licensecontent=' ../license.html'/>
</head>
<!--

Index for ExternProtoDeclare definition : Rotor

Index for ProtoDeclare definition : Chopper

Index for DEF nodes : MikesChopper, RotorScript, Top, Touch

Index for Viewpoint image : Viewpoint_1
-->
<Scene>
<ExternProtoDeclare name='Rotor'
  url=' "Rotor.x3d#Rotor" "http://www.web3d.org/x3d/content/examples/Basic/X3dSpecifications/Rotor.x3d#Rotor" "Rotor.wrl#Rotor" "http://www.web3d.org/x3d/content/examples/Basic/X3dSpecifications/Rotor.wrl#Rotor" '>
<field name='ratetype='SFTimeaccessType='initializeOnly'/>
<field name='childrentype='MFNodeaccessType='initializeOnly'/>
<field name='startTimetype='SFTimeaccessType='inputOutput'/>
<field name='stopTimetype='SFTimeaccessType='inputOutput'/>
</ExternProtoDeclare>
<ProtoDeclare name='Chopper'>
<ProtoInterface>
<field name='rotorSpeedtype='SFTimevalue='1accessType='initializeOnly'/>
</ProtoInterface>
<ProtoBody>
<Group>
<!-- ROUTE information for Touch node:  [from touchTime to RotorScript.startOrStopEngine ] -->
<TouchSensor DEF='Touchdescription='touch to toggle rotor rotation'/>
<Inline
  url=' "ChopperBody.x3d" "http://www.web3d.org/x3d/content/examples/Basic/X3dSpecifications/ChopperBody.x3d" "ChopperBody.wrl" "http://www.web3d.org/x3d/content/examples/Basic/X3dSpecifications/ChopperBody.wrl" '/>

<!-- ROUTE information for Top node:  [from RotorScript.startEngine to startTime ] [from RotorScript.stopEngine to stopTime ] -->
<ProtoInstance name='RotorDEF='Top'>
<fieldValue name='stopTimevalue='1'/>
<fieldValue name='children'> </fieldValue>
<IS>
<connect nodeField='rateprotoField='rotorSpeed'/>
</IS>
</ProtoInstance>
</Group>
<!-- after first node in ProtoDeclare, remainder of nodes do not render -->
<!-- ROUTE information for RotorScript node:  [from Touch.touchTime to startOrStopEngine ] [from startEngine to Top.startTime ] [from stopEngine to Top.stopTime ] -->
<Script DEF='RotorScript'>
<field name='startOrStopEnginetype='SFTimeaccessType='inputOnly'/>
<field name='startEnginetype='SFTimeaccessType='outputOnly'/>
<field name='stopEnginetype='SFTimeaccessType='outputOnly'/>
<field name='engineStartedtype='SFBoolvalue='falseaccessType='initializeOnly'/>
<![CDATA[
          
ecmascript:

function startOrStopEngine(value)
{
	// start or stop engine:
	if (!engineStarted)
	{
		startEngine = value;
		engineStarted = true;
	}
	else
	{
		stopEngine = value;
		engineStarted = false;
	}
}

        
]]>
</Script>
<ROUTE fromNode='TouchfromField='touchTimetoNode='RotorScripttoField='startOrStopEngine'/>
<ROUTE fromNode='RotorScriptfromField='startEnginetoNode='ToptoField='startTime'/>
<ROUTE fromNode='RotorScriptfromField='stopEnginetoNode='ToptoField='stopTime'/>
</ProtoBody>
</ProtoDeclare>
<Viewpoint description='Example16position='0 0 5'/>
<Group>
<ProtoInstance name='ChopperDEF='MikesChopper'/>
</Group>
</Scene>
</X3D>
<!--

Index for ExternProtoDeclare definition : Rotor

Index for ProtoDeclare definition : Chopper

Index for DEF nodes : MikesChopper, RotorScript, Top, Touch

Index for Viewpoint image : Viewpoint_1
-->

<!-- Color key: <X3dNode DEF='idName' field='value'/> matches <XmlElement DEF='idName' attribute='value'/>
(Light blue background: behavior node) (Grey background: inserted documentation) (Magenta background: X3D Extensibility)
    <Prototype name='ProtoName'> <field name='fieldName'/> </Prototype> -->

<!-- Additional help information about X3D scenes: X3D Resources, X3D Scene Authoring Hints and X3D Tooltips -->