<?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='Immersive' 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='PositionOrientationInterpolatorsExample.x3d'/>
<meta name='description' content='Demonstrate use of PositionInterpolator and OrientationInterpolator to animate object motion.'/>
<meta name='creator' content='Don Brutzman'/>
<meta name='created' content='29 January 2008'/>
<meta name='modified' content='20 October 2019'/>
<meta name='MovingImage' content='PositionOrientationInterpolatorsExample.mp4'/>
<meta name='reference' content='PositionOrientationInterpolatorsExampleTraced.x3d'/>
<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 Don Brutzman and Leonard Daly 2007'/>
<meta name='subject' content=' X3D book, X3D graphics, X3D-Edit, http://www.x3dGraphics.com '/>
<meta name='reference' content=' https://savage.nps.edu/Savage/Tools/Animation/WaypointInterpolatorExample.x3d '/>
<meta name='identifier' content=' https://X3dGraphics.com/examples/X3dForWebAuthors/Chapter07EventAnimationInterpolation/PositionOrientationInterpolatorsExample.x3d '/>
<meta name='generator' content='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
<meta name='license' content=' ../license.html'/>
</head>
<!--
Index for DEF nodes : AnimationClock, ConeMaterial, Floor, OrientationAnimator, Pointer, PositionAnimator
Index for Viewpoint images : Viewpoint_1, Viewpoint_2
-->
<Scene>
<WorldInfo title='PositionOrientationInterpolatorsExample.x3d'/>
<Viewpoint description='Animation demo' orientation='1 0 0 -0.588003' position='0 8 12'/>
<Viewpoint centerOfRotation='5 0.1 5' description='View from above' orientation='1 0 0 -1.570796' position='0 15 0'/>
<!-- ROUTE information for Pointer node:  [from PositionAnimator.value_changed to set_translation ] [from OrientationAnimator.value_changed to set_rotation ] -->
 <Transform DEF='Pointer' translation='1 0 1'>
<Transform rotation='1 0 0 1.57'>
<Shape>
<Cone bottomRadius='0.5' height='1.5'/>
<Appearance>
<Material DEF='ConeMaterial' diffuseColor='0.427451 1 0.160784'/>
</Appearance>
</Shape>
</Transform>
</Transform>
<Shape DEF='Floor'>
<Box size='12 0.05 12'/>
<Appearance>
<Material diffuseColor='0 0.262745 0.941176'/>
</Appearance>
</Shape>
<!-- note that final value equals first value in keyValue array in order to support smooth looping -->
<!-- first drive around the location -->
<!-- ROUTE information for PositionAnimator node:  [from AnimationClock.fraction_changed to set_fraction ] [from value_changed to Pointer.set_translation ] -->
 <PositionInterpolator DEF='PositionAnimator' key='0 0.2 0.25 0.45 0.5 0.7 0.75 0.95 1' keyValue='-4 0 -4 -4 0 4 -4 0 4 4 0 4 4 0 4 4 0 -4 4 0 -4 -4 0 -4 -4 0 -4'/>
<ROUTE fromNode='PositionAnimator' fromField='value_changed' toNode='Pointer' toField='set_translation'/>
<!-- then rotate the pointer to match next direction while paused at each position -->
<!-- ROUTE information for OrientationAnimator node:  [from AnimationClock.fraction_changed to set_fraction ] [from value_changed to Pointer.set_rotation ] -->
 <OrientationInterpolator DEF='OrientationAnimator' key='0 0.2 0.25 0.45 0.5 0.7 0.75 0.95 1' keyValue='0 1 0 0 0 1 0 0 0 1 0 1.57 0 1 0 1.57 0 1 0 3.14 0 1 0 3.14 0 1 0 4.71 0 1 0 4.71 0 1 0 6.283'/>
<!-- final rotation value is 2pi rather than 0 so that rotation animation is smooth, not flip-flopping -->
<ROUTE fromNode='OrientationAnimator' fromField='value_changed' toNode='Pointer' toField='set_rotation'/>
<!-- put TimeSensor clock last so that animation design pattern and ROUTE events flow upward -->
<!-- ROUTE information for AnimationClock node:  [from fraction_changed to PositionAnimator.set_fraction ] [from fraction_changed to OrientationAnimator.set_fraction ] -->
 <TimeSensor DEF='AnimationClock' cycleInterval='10' loop='true'/>
<ROUTE fromNode='AnimationClock' fromField='fraction_changed' toNode='PositionAnimator' toField='set_fraction'/>
<ROUTE fromNode='AnimationClock' fromField='fraction_changed' toNode='OrientationAnimator' toField='set_fraction'/>
<!-- notice that explanatory Text is placed later in scene although it is graphically located above driving plane -->
<Transform translation='0 4 0'>
<Billboard axisOfRotation='0 0 0'>
<Shape>
<Text string='"Animation using PositionInterpolator" "and OrientationInterpolator"'>
<FontStyle justify='"MIDDLE" "MIDDLE"' size='0.6'/>
</Text>
<Appearance>
<Material/>
</Appearance>
</Shape>
</Billboard>
</Transform>
</Scene>
</X3D>
<!--
Index for DEF nodes : AnimationClock, ConeMaterial, Floor, OrientationAnimator, Pointer, PositionAnimator
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)
-->

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