<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.0//EN" "http://www.web3d.org/specifications/x3d-3.0.dtd">
<X3D profile='Immersive' version='3.0'  xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation =' http://www.web3d.org/specifications/x3d-3.0.xsd '>
<head>
<meta name='title' content='TwoBladeTailRotorPrototype.x3d'/>
<meta name='description' content='Prototypes a two-blade tail rotor and its shaft for a helicopter.'/>
<meta name='creator' content='Jane Wu'/>
<meta name='created' content='21 March 2001'/>
<meta name='modified' content='28 January 2015'/>
<meta name='identifier' content=' https://savage.nps.edu/Savage/AircraftHelicopters/AH1SuperCobra-UnitedStates/TwoBladeTailRotorPrototype.x3d '/>
<meta name='generator' content='X3D-Edit 3.2, https://savage.nps.edu/X3D-Edit'/>
<meta name='license' content=' ../../license.html'/>
</head>
<!--
Index for ProtoDeclare definition : TwoBladeTailRotor
Index for DEF nodes : BladeRotationOnOffScript, BottomTailRotor, DarkGray, ExampleBladeRotationToggle, ExampleSelection, ExampleTailRotor, Gray, RotationSwitch, TailRotor, TailRotorClock, TailRotorPath, ToggleStatusColor, TopTailRotor, TwoBlades
Index for Viewpoint images : Viewpoint_1, Viewpoint_2
-->
<Scene>
<ProtoDeclare name='TwoBladeTailRotor'>
<ProtoInterface>
<field name='rotationOn' type='SFBool' accessType='inputOnly'
 appinfo='enable or disable rotor rotation'/>
</ProtoInterface>
<ProtoBody>
<!-- ROUTE information for TailRotor node:  [from TailRotorPath.value_changed to set_rotation ] -->
 <Transform DEF='TailRotor'>
<!-- Tail Rotor Shaft -->
<Transform rotation='1.0 0.0 0.0 1.57' translation='0.0 0.0 -0.1'>
<Shape>
<Appearance DEF='Gray'>
<Material diffuseColor='0.75 0.75 0.75'/>
</Appearance>
<Cylinder height='0.2' radius='0.02'/>
</Shape>
</Transform>
<!-- ROUTE information for RotationSwitch node:  [from BladeRotationOnOffScript.switchChoice to whichChoice ] -->
 <Switch DEF='RotationSwitch' whichChoice='0'>
<Group DEF='TwoBlades'>
<!-- put top blade on -->
<!-- Rotate 15 degree along y -->
<Transform rotation='0 1 0 0.26' translation='-0.05 0.0 0.0'>
<Shape>
<Appearance DEF='DarkGray'>
<Material diffuseColor='0.2 0.2 0.2'/>
</Appearance>
<Extrusion DEF='TopTailRotor' convex='false' creaseAngle='0.8' crossSection='0.00 0.00 0.03 -0.005 0.05 -0.007 0.07 -0.009 0.09 -0.01 0.11 -0.009 0.12 -0.007 0.13 -0.005 0.135 0.0 0.13 0.005 0.12 0.007 0.11 0.009 0.09 0.01 0.07 0.009 0.05 0.007 0.03 0.005' solid='false' spine='-0.015 0.02 0.0 -0.015 0.82 0.0'/>
</Shape>
</Transform>
<!-- put bottom blade on -->
<!-- Rotate -15 degree along y -->
<Transform rotation='0 1 0 -0.26'>
<Shape>
<Appearance USE='DarkGray'/>
<Extrusion DEF='BottomTailRotor' convex='false' creaseAngle='0.8' crossSection='0.00 0.00 0.03 -0.005 0.05 -0.007 0.07 -0.009 0.09 -0.01 0.11 -0.009 0.12 -0.007 0.13 -0.005 0.135 0.0 0.13 0.005 0.12 0.007 0.11 0.009 0.09 0.01 0.07 0.009 0.05 0.007 0.03 0.005' solid='false' spine='0.065 -0.02 0.0 0.065 -0.82 0.0'/>
</Shape>
</Transform>
</Group>
<LOD range='50 200'>
<Group USE='TwoBlades'/>
<Group>
<Transform rotation='1 0 0 1.57'>
<Shape>
<Appearance>
<Material diffuseColor='0.2 0.2 0.2' transparency='0.75'/>
</Appearance>
<Cylinder height='0.1' radius='0.82'/>
</Shape>
</Transform>
</Group>
<WorldInfo title='null'/>
</LOD>
</Switch>
<!-- ROUTE information for BladeRotationOnOffScript node:  [from clockEnabled to TailRotorClock.set_enabled ] [from switchChoice to RotationSwitch.whichChoice ] -->
 <Script DEF='BladeRotationOnOffScript'>
<field name='rotationOn' type='SFBool' accessType='inputOnly'/>
<field name='clockEnabled' type='SFBool' accessType='outputOnly'/>
<field name='switchChoice' type='SFInt32' accessType='outputOnly'/>
<IS>
<connect nodeField='rotationOn' protoField='rotationOn'/>
</IS>
<![CDATA[ 
            
ecmascript:

function rotationOn(value, timeStamp) {
   if (value == true)
   {
      clockEnabled = true;
      switchChoice = 1;
   }
   else
   {
      clockEnabled = false;
      switchChoice = 0;
   }
}
]]>
</Script>
<!-- Animation Clock -->
<!-- ROUTE information for TailRotorClock node:  [from BladeRotationOnOffScript.clockEnabled to set_enabled ] [from fraction_changed to TailRotorPath.set_fraction ] -->
 <TimeSensor DEF='TailRotorClock' cycleInterval='0.5' enabled='false' loop='true'/>
<!-- Animation Path -->
<!-- ROUTE information for TailRotorPath node:  [from TailRotorClock.fraction_changed to set_fraction ] [from value_changed to TailRotor.set_rotation ] -->
 <OrientationInterpolator DEF='TailRotorPath' key='0.0 0.25 0.5 0.75 1.0' keyValue='0.00 0.00 1.00 0.00 0.00 0.00 1.00 1.57 0.00 0.00 1.00 3.14 0.00 0.00 1.00 4.712 0.00 0.00 1.00 6.284'/>
</Transform>
<ROUTE fromNode='BladeRotationOnOffScript' fromField='clockEnabled' toNode='TailRotorClock' toField='set_enabled'/>
<ROUTE fromNode='BladeRotationOnOffScript' fromField='switchChoice' toNode='RotationSwitch' toField='whichChoice'/>
<ROUTE fromNode='TailRotorClock' fromField='fraction_changed' toNode='TailRotorPath' toField='set_fraction'/>
<ROUTE fromNode='TailRotorPath' fromField='value_changed' toNode='TailRotor' toField='set_rotation'/>
</ProtoBody>
</ProtoDeclare>
<!-- ============================================================ -->
<WorldInfo title='TwoBladeTailRotor Prototype'/>
<Background skyColor='.4 .4 .6'/>
<Viewpoint description='Toggle Blade Status' position='0 0 12'/>
<Viewpoint description='At a distance' position='0 0 50'/>
<!-- ROUTE information for ExampleTailRotor node:  [from ExampleSelection.status to rotationOn ] -->
 <ProtoInstance name='TwoBladeTailRotor' DEF='ExampleTailRotor'/>
<Transform translation='0 2.5 0'>
<!-- ROUTE information for ExampleBladeRotationToggle node:  [from isActive to ExampleSelection.toggleEnabled ] -->
 <TouchSensor DEF='ExampleBladeRotationToggle' description='Toggle blade rotation on/off'/>
<Shape>
<Appearance>
<!-- ROUTE information for ToggleStatusColor node:  [from ExampleSelection.statusColor to diffuseColor ] -->
 <Material DEF='ToggleStatusColor' diffuseColor='0.8 0.8 0'/>
</Appearance>
<Text string=' "Select Text to Toggle"
"Blade Rotation On/Off"
'>
<FontStyle justify='"MIDDLE" "MIDDLE"'/>
</Text>
</Shape>
<Shape>
<Box size='8.5 2.0 0.01'/>
<Appearance>
<Material transparency='1'/>
</Appearance>
</Shape>
</Transform>
<!-- ROUTE information for ExampleSelection node:  [from ExampleBladeRotationToggle.isActive to toggleEnabled ] [from statusColor to ToggleStatusColor.diffuseColor ] [from status to ExampleTailRotor.rotationOn ] -->
 <Script DEF='ExampleSelection'>
<field name='armed' type='SFInt32' value='-1' accessType='initializeOnly'/>
<field name='toggleEnabled' type='SFBool' accessType='inputOnly'/>
<field name='statusColor' type='SFColor' accessType='outputOnly'/>
<field name='status' type='SFBool' accessType='outputOnly'/>
<![CDATA[ 
      
ecmascript:

function toggleEnabled(value, ts) {
   if (armed == -1)
   {
      toggleEnabled = false;
      armed = 0;
   }

   if (armed == 0)
   {
      armed = 1;

      if (toggleEnabled == false)
      {
         status = true;
         statusColor = new SFColor(0, 0.8, 0);
         toggleEnabled = true;
      }
      else
      {
         status = false;
         statusColor = new SFColor(0.8, 0.8, 0);
         toggleEnabled = false;
      }
   }
   else
   {
      armed = 0;
      return;
   }
}
]]>
</Script>
<ROUTE fromNode='ExampleBladeRotationToggle' fromField='isActive' toNode='ExampleSelection' toField='toggleEnabled'/>
<ROUTE fromNode='ExampleSelection' fromField='statusColor' toNode='ToggleStatusColor' toField='diffuseColor'/>
<ROUTE fromNode='ExampleSelection' fromField='status' toNode='ExampleTailRotor' toField='rotationOn'/>
</Scene>
</X3D>
<!--
Index for ProtoDeclare definition : TwoBladeTailRotor
Index for DEF nodes : BladeRotationOnOffScript, BottomTailRotor, DarkGray, ExampleBladeRotationToggle, ExampleSelection, ExampleTailRotor, Gray, RotationSwitch, TailRotor, TailRotorClock, TailRotorPath, ToggleStatusColor, TopTailRotor, TwoBlades
Index for Viewpoint images : Viewpoint_1, Viewpoint_2
-->

<!-- 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 -->