X3D Model Documentation: Figure09_8ClickDragTouchSensorPlaneSensorWithAxes.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_8ClickDragTouchSensorPlaneSensorWithAxes.x3d'/>
  6            <meta name='creatorcontent='Figure 9.8, 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/ch09/09fig08.htm'/>
  8            <meta name='translatorcontent='Don Brutzman'/>
  9            <meta name='createdcontent='12 August 2000'/>
 10            <meta name='modifiedcontent='20 October 2019'/>
 11            <meta name='descriptioncontent='A cube that spins when the cursor moves over it and translates when the cursor drags it, with coordinate axes superimposed to show X3D/VRML directions.'/>
 12            <meta name='identifiercontent='https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter09SensingViewer/Figure09_8ClickDragTouchSensorPlaneSensorWithAxes.x3d'/>
 13            <meta name='generatorcontent='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
 14            <meta name='licensecontent='../../license.html'/>
 15       </head>
<!--

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

<!-- to top Index for DEF nodes: CLOCK, CoordinateAxes, DRAG_SENSOR, IS_OVER_SENSOR, ROTATING_SHAPE_TRANSFORM, SPIN_PATH, TRANSPARENT_BOX_TRANSFORM
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 16       <Scene>
 17            <!-- Click and drag to spin and move shapes. Superfluous Group nodes removed. -->
 18            <WorldInfo title='Figure09_8ClickDragTouchSensorPlaneSensorWithAxes.x3d'/>
 19            <Group>
 20 
               <!-- ROUTE information for ROTATING_SHAPE_TRANSFORM node:  [from SPIN_PATH.value_changed to set_rotation ] [from DRAG_SENSOR.translation_changed to set_translation ] -->
               <Transform DEF='ROTATING_SHAPE_TRANSFORM'>
 21                      <Shape>
 22                           <Box size='1.414 1.414 1.414'/>
 23                           <Appearance>
 24                                <Material diffuseColor='.1 .9 .9emissiveColor='.05 .2 .2'/>
 25                           </Appearance>
 26                      </Shape>
 27                 </Transform>
 28 
               <!-- ROUTE information for IS_OVER_SENSOR node:  [from isOver to CLOCK.set_enabled ] -->
               <TouchSensor DEF='IS_OVER_SENSORdescription='Touch to spin'/>
 29 
               <!-- ROUTE information for DRAG_SENSOR node:  [from translation_changed to ROTATING_SHAPE_TRANSFORM.set_translation ] -->
               <PlaneSensor DEF='DRAG_SENSORdescription='Click to drag in planemaxPosition='4 4minPosition='-4 -4'/>
 30 
               <!-- ROUTE information for CLOCK node:  [from IS_OVER_SENSOR.isOver to set_enabled ] [from fraction_changed to SPIN_PATH.set_fraction ] -->
               <TimeSensor DEF='CLOCKcycleInterval='4enabled='falseloop='true'/>
 31 
               <!-- ROUTE information for SPIN_PATH node:  [from CLOCK.fraction_changed to set_fraction ] [from value_changed to ROTATING_SHAPE_TRANSFORM.set_rotation ] -->
               <OrientationInterpolator DEF='SPIN_PATHkey='0 0.5 1keyValue='0 1 0 0 0 1 0 3.14 0 1 0 6.28'/>
 32            </Group>
 33            <!-- A small transparent box is added to indicate the virtual geometry of the PlaneSensor -->
 34            <Transform DEF='TRANSPARENT_BOX_TRANSFORM'>
 35                 <Shape>
 36                      <Box size='8 8 0.1'/>
 37                      <Appearance>
 38                           <Material diffuseColor='.7 .7 .7transparency='.5'/>
 39                      </Appearance>
 40                 </Shape>
 41            </Transform>
 42            <!-- Adding this Inline reference to another scene superimposes X3D/VRML coordinate system axes. -->
 43            <Transform scale='4 4 4'>
 44                 <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" '/>
 45            </Transform>
 46            <!-- Note that we are connecting a chain of behavior engines in these ROUTEs. The event types passed via each ROUTE must each match. -->
 47            < ROUTE  fromNode='IS_OVER_SENSOR' fromField='isOver' toNode='CLOCK' toField='set_enabled'/>
 48            < ROUTE  fromNode='CLOCK' fromField='fraction_changed' toNode='SPIN_PATH' toField='set_fraction'/>
 49            < ROUTE  fromNode='SPIN_PATH' fromField='value_changed' toNode='ROTATING_SHAPE_TRANSFORM' toField='set_rotation'/>
 50            < ROUTE  fromNode='DRAG_SENSOR' fromField='translation_changed' toNode='ROTATING_SHAPE_TRANSFORM' toField='set_translation'/>
 51       </Scene>
 52  </X3D>
<!--

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

<!-- to top Index for DEF nodes: CLOCK, CoordinateAxes, DRAG_SENSOR, IS_OVER_SENSOR, ROTATING_SHAPE_TRANSFORM, SPIN_PATH, TRANSPARENT_BOX_TRANSFORM
-->
X3D Tooltips element index: Appearance, Box, Group, head, Inline, Material, meta, OrientationInterpolator, PlaneSensor, ROUTE, Scene, Shape, TimeSensor, TouchSensor, Transform, WorldInfo, X3D, accessType and type, XML data types, field types

Event Graph ROUTE Table entries with 4 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.

IS_OVER_SENSOR
TouchSensor
isOver
SFBool

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

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

ROUTE
event to
(3)
ROTATING_SHAPE_TRANSFORM
Transform
set_rotation
SFRotation

DRAG_SENSOR
PlaneSensor
translation_changed
SFVec3f

ROUTE
event to
(1)
ROTATING_SHAPE_TRANSFORM
Transform
set_translation
SFVec3f
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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