X3D Model Documentation: Figure09_1SpinningCubeTouchSensorWithAxes.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='Immersive' 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='Figure09_1SpinningCubeTouchSensorWithAxes.x3d'/>
  6            <meta name='creatorcontent='Figure 9.1, The VRML 2.0 Sourcebook, Copyright [1997] By Andrea L. Ames, David R. Nadeau, and John L. Moreland'/>
  7            <meta name='referencecontent='http://www.wiley.com/legacy/compbooks/vrml2sbk/ch09/09fig01.htm'/>
  8            <meta name='translatorcontent='Don Brutzman'/>
  9            <meta name='createdcontent='9 August 2000'/>
 10            <meta name='modifiedcontent='3 May 2024'/>
 11            <meta name='descriptioncontent='A cube that spins when the cursor moves over it, with coordinate axes superimposed to show X3D/VRML directions. Also see Figure 9.2 for comparison.'/>
 12            <meta name='referencecontent='Figure09_2SpinningCubeTouchSensorClickedWithAxes.x3d'/>
 13            <meta name='identifiercontent='https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter09SensingViewer/Figure09_1SpinningCubeTouchSensorWithAxes.x3d'/>
 14            <meta name='generatorcontent='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
 15            <meta name='licensecontent='../../license.html'/>
 16       </head>
<!--

<!--
Event Graph ROUTE Table shows event connections.
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<!-- to top Index for DEF nodes: CLOCK, CoordinateAxes, CUBE_TRANSFORM, CubePathInterpolator, MyTouchSensor
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 17       <Scene>
 18            <!-- Rotating Cube -->
 19            <WorldInfo title='Figure09_1SpinningCubeTouchSensorWithAxes.x3d'/>
 20            <Group>
 21 
               <!-- ROUTE information for CUBE_TRANSFORM node:  [from CubePathInterpolator.value_changed to set_rotation ] -->
               <Transform DEF='CUBE_TRANSFORM'>
 22                      <Shape>
 23                           <Box/>
 24                           <Appearance>
 25                                <Material diffuseColor='.5 .5 .5'/>
 26                           </Appearance>
 27                      </Shape>
 28                 </Transform>
 29 
               <!-- ROUTE information for MyTouchSensor node:  [from isOver to CLOCK.set_enabled ] -->
               <TouchSensor DEF='MyTouchSensordescription='Point at box to spin it'/>
 30 
               <!-- ROUTE information for CLOCK node:  [from MyTouchSensor.isOver to set_enabled ] [from fraction_changed to CubePathInterpolator.set_fraction ] -->
               <TimeSensor DEF='CLOCKcycleInterval='4enabled='falseloop='true'/>
 31 
               <!-- ROUTE information for CubePathInterpolator node:  [from CLOCK.fraction_changed to set_fraction ] [from value_changed to CUBE_TRANSFORM.set_rotation ] -->
               <OrientationInterpolator DEF='CubePathInterpolatorkey='0.0 0.50 1.0keyValue='0.0 1.0 0.0 0.0 0.0 1.0 0.0 3.14 0.0 1.0 0.0 6.28'/>
 32            </Group>
 33            <!-- Adding this Inline reference to another scene superimposes X3D/VRML coordinate system axes. -->
 34            <Transform scale='2 2 2'>
 35                 <Inline DEF='CoordinateAxes'   url=' "../../X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.x3d" "https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.x3d" "https://savage.nps.edu/Savage/Tools/Authoring/CoordinateAxes.x3d" "../../X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.wrl" "https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter03Grouping/CoordinateAxes.wrl" "https://savage.nps.edu/Savage/Tools/Authoring/CoordinateAxes.wrl" '/>
 36            </Transform>
 37            <!-- Note that we are connecting a Boolean output to a Boolean input in the first ROUTE. -->
 38            < ROUTE  fromNode='MyTouchSensor' fromField='isOver' toNode='CLOCK' toField='set_enabled'/>
 39            < ROUTE  fromNode='CLOCK' fromField='fraction_changed' toNode='CubePathInterpolator' toField='set_fraction'/>
 40            < ROUTE  fromNode='CubePathInterpolator' fromField='value_changed' toNode='CUBE_TRANSFORM' toField='set_rotation'/>
 41       </Scene>
 42  </X3D>
<!--

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

<!-- to top Index for DEF nodes: CLOCK, CoordinateAxes, CUBE_TRANSFORM, CubePathInterpolator, MyTouchSensor
-->
X3D Tooltips element index: Appearance, Box, Group, head, Inline, 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.

MyTouchSensor
TouchSensor
isOver
SFBool

ROUTE
event to
(1)
CLOCK
TimeSensor
set_enabled
SFBool
then
 
 
 
CLOCK
TimeSensor
fraction_changed
SFFloat

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

ROUTE
event to
(3)
CUBE_TRANSFORM
Transform
set_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'/>
(Light-blue background: event-based behavior node or statement) (Grey background inside box: inserted documentation) (Magenta background: X3D Extensibility)
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