X3D Model Documentation: Example13_2.x3d

  1  <?xml version="1.0" encoding="UTF-8"?>
  2 
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.0//EN" "https://www.web3d.org/specifications/x3d-3.0.dtd">
  3  <X3D profile='Interactive' version='3.0 xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation='https://www.web3d.org/specifications/x3d-3.0.xsd'>
  4       <head>
  5            <meta name='titlecontent='Example13_2.x3d'/>
  6            <meta name='translatorcontent='Don Brutzman'/>
  7            <meta name='createdcontent='26 June 2000'/>
  8            <meta name='modifiedcontent='28 October 2019'/>
  9            <meta name='creatorcontent='X3D working group'/>
 10            <meta name='descriptioncontent='VRML 97 specification example: click to animate a Box.'/>
 11            <meta name='referencecontent='originals/exampleD_13_2.wrl'/>
 12            <meta name='specificationSectioncontent='VRML 97, ISO/IEC 14772-1, Part 1: Functional specification and UTF-8 encoding, D.13.2 Click to animate'/>
 13            <meta name='specificationUrlcontent='https://www.web3d.org/documents/specifications/14772/V2.0/part1/examples.html#D.13.2'/>
 14            <meta name='identifiercontent='https://www.web3d.org/x3d/content/examples/Basic/Vrml97Specification/Example13_2.x3d'/>
 15            <meta name='generatorcontent='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
 16            <meta name='licensecontent='../license.html'/>
 17       </head>
<!--

<!--
Event Graph ROUTE Table shows event connections.
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<!-- to top Index for DEF nodes: Animation, Clicker, TimeSource, XForm
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 18       <Scene>
 19            <WorldInfo title='Example13_2.x3d'/>
 20 
          <!-- ROUTE information for XForm node:  [from Animation.value_changed to rotation ] -->
          <Transform DEF='XForm'>
 21                 <Shape>
 22                      <Box/>
 23                      <Appearance>
 24                           <Material diffuseColor='1.0 0.0 0.0'/>
 25                      </Appearance>
 26                 </Shape>
 27 
               <!-- ROUTE information for Clicker node:  [from touchTime to TimeSource.startTime ] -->
               <TouchSensor DEF='Clickerdescription='touch to start spin cycle'/>
 28 
               <!-- ROUTE information for TimeSource node:  [from Clicker.touchTime to startTime ] [from fraction_changed to Animation.set_fraction ] -->
               <TimeSensor DEF='TimeSourcecycleInterval='2.0'/>
 29 
               <!-- ROUTE information for Animation node:  [from TimeSource.fraction_changed to set_fraction ] [from value_changed to XForm.rotation ] -->
               <OrientationInterpolator DEF='Animationkey='0.0 0.33 0.66 1.0keyValue='0.0 1.0 0.0 0.0 0.0 1.0 0.0 2.1 0.0 1.0 0.0 4.2 0.0 1.0 0.0 0.0'/>
 30            </Transform>
 31            < ROUTE  fromNode='Clicker' fromField='touchTime' toNode='TimeSource' toField='startTime'/>
 32            < ROUTE  fromNode='TimeSource' fromField='fraction_changed' toNode='Animation' toField='set_fraction'/>
 33            < ROUTE  fromNode='Animation' fromField='value_changed' toNode='XForm' toField='rotation'/>
 34       </Scene>
 35  </X3D>
<!--

<!--
Event Graph ROUTE Table shows event connections.
-->

<!-- to top Index for DEF nodes: Animation, Clicker, TimeSource, XForm
-->
X3D Tooltips element index: Appearance, Box, head, Material, meta, OrientationInterpolator, ROUTE, Scene, Shape, TimeSensor, TouchSensor, Transform, WorldInfo, X3D, accessType and type, XML data types, field types

Event Graph ROUTE Table entries with 3 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.

Clicker
TouchSensor
touchTime
SFTime

ROUTE
event to
(1)
TimeSource
TimeSensor
startTime
SFTime
then
 
 
 
TimeSource
TimeSensor
fraction_changed
SFFloat

ROUTE
event to
(2)
Animation
OrientationInterpolator
set_fraction
SFFloat
then
 
 
 
Animation
OrientationInterpolator
value_changed
SFRotation

ROUTE
event to
(3)
XForm
Transform
rotation
SFRotation

Additional guidance on X3D animation can be found in the 10-Step Animation Design Process and Event Tracing hint sheets. Have fun with X3D! 😀

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<!-- Color legend: X3D terminology <X3dNode DEF='idName' field='value'/> matches XML terminology <XmlElement DEF='idName' attribute='value'/>
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