X3D Model Documentation: DraggingSphere.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='Interchange' 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='title' content='DraggingSphere.x3d'/>
  6            <meta name='description' content='A sphere that drags its tail around a box in the XY-plane'/>
  7            <meta name='creator' content='Matthew Braun'/>
  8            <meta name='created' content='24 July 2001'/>
  9            <meta name='modified' content='20 October 2019'/>
 10            <meta name='rights' content='Copyright (c) Matthew Braun, 2001'/>
 11            <meta name='identifier' content='https://www.web3d.org/x3d/content/examples/Basic/StudentProjects/DraggingSphere.x3d'/>
 12            <meta name='generator' content='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
 13            <meta name='license' content='../license.html'/>
 14       </head>
<!--
<!--
Event Graph ROUTE Table shows event connections.
-->

<!-- to top Index for DEF nodes: CLOCK1, ColorINT, CYL_TF, CYLSHAPE, OrientINT, POSINT1, POSINT2, POSINT3, ScalarInt, SPH_MAT, SPHERE, SPHERETF1, SPHERETF2

Index for Viewpoint node: Viewpoint_1
-->
 15       <Scene>
 16            <!-- The scene is composed of two spheres and one cylinder. The spheres move in a box in the xy-plane. The cylinder moves in the same box, and expands and rotates to give the appearance of stretching between the spheres. -->
 17            <WorldInfo title='DraggingSphere.x3d'/>
 18            <Group>
 19                 <Viewpoint description='Start' position='-2 2 7'/>
 20                 <!-- The leading sphere -->
 21 
               <!-- ROUTE information for SPHERETF1 node:  [from POSINT1.value_changed to set_translation ] -->
                <Transform DEF='SPHERETF1'>
 22 
                    <!-- Shape SPHERE is a DEF node that has 1 USE node: USE_1 -->
                     <Shape DEF='SPHERE'>
 23                           <Appearance>
 24 
                              <!-- Material SPH_MAT is a DEF node that has 1 USE node: USE_1
                              <!-- ROUTE information for SPH_MAT node:  [from ColorINT.value_changed to set_diffuseColor ] [from ColorINT.value_changed to set_emissiveColor ] -->
                               <Material DEF='SPH_MAT' ambientIntensity='0.9' diffuseColor='.0 .0 .0'/>
 25                           </Appearance>
 26                           <Sphere radius='0.5'/>
 27                      </Shape>
 28                 </Transform>
 29                 <!-- Trailing sphere -->
 30 
               <!-- ROUTE information for SPHERETF2 node:  [from POSINT2.value_changed to set_translation ] -->
                <Transform DEF='SPHERETF2'>
 31                      <Shape USE='SPHERE'/>
 32                 </Transform>
 33 
               <!-- ROUTE information for CYL_TF node:  [from POSINT3.value_changed to set_translation ] [from OrientINT.value_changed to set_rotation ] [from ScalarInt.value_changed to set_scale ] -->
                <Transform DEF='CYL_TF' rotation='0 0 -1 1.571' scale='1 2 1' translation='-1 0 0'>
 34                      <Shape DEF='CYLSHAPE'>
 35                           <Appearance>
 36                                <Material USE='SPH_MAT'/>
 37                           </Appearance>
 38                           <Cylinder radius='0.50'/>
 39                      </Shape>
 40                 </Transform>
 41            </Group>
 42            <!-- ColorInt for diffuse and emissive color -->
 43 
          <!-- ROUTE information for ColorINT node:  [from CLOCK1.fraction_changed to set_fraction ] [from value_changed to SPH_MAT.set_diffuseColor ] [from value_changed to SPH_MAT.set_emissiveColor ] -->
           <ColorInterpolator DEF='ColorINT' key='0 .25 .50 .75 1.0' keyValue='0.8 0.8 0.8 0.1 0.1 0.9 0.1 0.9 0.1 0.9 0.1 0.1 0.8 0.8 0.8'/>
 44            <!-- PosInt for the first sphere: a square in the XY-plane. -->
 45 
          <!-- ROUTE information for POSINT1 node:  [from CLOCK1.fraction_changed to set_fraction ] [from value_changed to SPHERETF1.set_translation ] -->
           <PositionInterpolator DEF='POSINT1' key='0 0.08 0.16 0.25 0.33 0.41 0.50 0.58 0.66 0.75 0.83 0.91 1.0' keyValue='0.0 0.0 0.0 -2.0 0.0 0.0 -4.0 0.0 0.0 -4.0 0.0 0.0 -4.0 2.0 0.0 -4.0 4.0 0.0 -4.0 4.0 0.0 -2.0 4.0 0.0 0.0 4.0 0.0 0.0 4.0 0.0 0.0 2.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0'/>
 46            <!-- PosInt for second Sphere:a square in the XY-plane. -->
 47 
          <!-- ROUTE information for POSINT2 node:  [from CLOCK1.fraction_changed to set_fraction ] [from value_changed to SPHERETF2.set_translation ] -->
           <PositionInterpolator DEF='POSINT2' key='0 0.08 0.16 0.25 0.33 0.41 0.50 0.58 0.66 0.75 0.83 0.91 1.0' keyValue='0.0 0.0 0.0 0.0 0.0 0.0 -2.0 0.0 0.0 -4.0 0.0 0.0 -4.0 0.0 0.0 -4.0 2.0 0.0 -4.0 4.0 0.0 -4.0 4.0 0.0 -2.0 4.0 0.0 0.0 4.0 0.0 0.0 4.0 0.0 0.0 2.0 0.0 0.0 0.0 0.0'/>
 48            <!-- PosInt for the Cylinder: a square in the XY-plane. -->
 49 
          <!-- ROUTE information for POSINT3 node:  [from CLOCK1.fraction_changed to set_fraction ] [from value_changed to CYL_TF.set_translation ] -->
           <PositionInterpolator DEF='POSINT3' key='0 0.08 0.16 0.25 0.33 0.41 0.50 0.58 0.66 0.75 0.83 0.91 1.0' keyValue='0.0 0.0 0.0 -1.0 0.0 0.0 -3.0 0.0 0.0 -4.0 0.0 0.0 -4.0 1.0 0.0 -4.0 3.0 0.0 -4.0 4.0 0.0 -3.0 4.0 0.0 -1.0 4.0 0.0 0.0 4.0 0.0 0.0 3.0 0.0 0.0 1.0 0.0 0.0 0.0 0.0'/>
 50            <!-- OrientationINT for the Cylinder. -->
 51 
          <!-- ROUTE information for OrientINT node:  [from CLOCK1.fraction_changed to set_fraction ] [from value_changed to CYL_TF.set_rotation ] -->
           <OrientationInterpolator DEF='OrientINT' key='0.00 0.25 0.25 0.50 0.50 0.75 0.75 1.00' keyValue='0 0 1 1.57 0 0 1 1.57 0 0 0 0 0 0 0 0 0 0 1 1.57 0 0 1 1.57 0 0 0 0 0 0 0 0'/>
 52            <!-- ScalarInt for cylinder height. -->
 53 
          <!-- ROUTE information for ScalarInt node:  [from CLOCK1.fraction_changed to set_fraction ] [from value_changed to CYL_TF.set_scale ] -->
           <PositionInterpolator DEF='ScalarInt' key='0 0.08 0.16 0.25 0.33 0.41 0.50 0.58 0.66 0.75 0.83 0.91 1.0' keyValue='1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 0 1'/>
 54            <!-- World clock for all objects. -->
 55 
          <!-- ROUTE information for CLOCK1 node:  [from fraction_changed to POSINT1.set_fraction ] [from fraction_changed to POSINT2.set_fraction ] [from fraction_changed to ColorINT.set_fraction ] [from fraction_changed to POSINT3.set_fraction ] [from fraction_changed to OrientINT.set_fraction ] [from fraction_changed to ScalarInt.set_fraction ] -->
           <TimeSensor DEF='CLOCK1' cycleInterval='6' loop='true'/>
 56            <!-- Routes from clock to first sphere -->
 57            < ROUTE  fromNode='CLOCK1' fromField='fraction_changed' toNode='POSINT1' toField='set_fraction'/>
 58            < ROUTE  fromNode='POSINT1' fromField='value_changed' toNode='SPHERETF1' toField='set_translation'/>
 59            <!-- Routes from clock to second sphere -->
 60            < ROUTE  fromNode='CLOCK1' fromField='fraction_changed' toNode='POSINT2' toField='set_fraction'/>
 61            < ROUTE  fromNode='POSINT2' fromField='value_changed' toNode='SPHERETF2' toField='set_translation'/>
 62            <!-- Routes from clock to first sphere -->
 63            < ROUTE  fromNode='CLOCK1' fromField='fraction_changed' toNode='ColorINT' toField='set_fraction'/>
 64            < ROUTE  fromNode='ColorINT' fromField='value_changed' toNode='SPH_MAT' toField='set_diffuseColor'/>
 65            < ROUTE  fromNode='ColorINT' fromField='value_changed' toNode='SPH_MAT' toField='set_emissiveColor'/>
 66            <!-- Routes for Cylinder movement -->
 67            < ROUTE  fromNode='CLOCK1' fromField='fraction_changed' toNode='POSINT3' toField='set_fraction'/>
 68            < ROUTE  fromNode='POSINT3' fromField='value_changed' toNode='CYL_TF' toField='set_translation'/>
 69            <!-- Routes for Cylinder rotation -->
 70            < ROUTE  fromNode='CLOCK1' fromField='fraction_changed' toNode='OrientINT' toField='set_fraction'/>
 71            < ROUTE  fromNode='OrientINT' fromField='value_changed' toNode='CYL_TF' toField='set_rotation'/>
 72            <!-- Routes for Cylinder stretching -->
 73            < ROUTE  fromNode='CLOCK1' fromField='fraction_changed' toNode='ScalarInt' toField='set_fraction'/>
 74            < ROUTE  fromNode='ScalarInt' fromField='value_changed' toNode='CYL_TF' toField='set_scale'/>
 75       </Scene>
 76  </X3D>
<!--
<!--
Event Graph ROUTE Table shows event connections.
-->

<!-- to top Index for DEF nodes: CLOCK1, ColorINT, CYL_TF, CYLSHAPE, OrientINT, POSINT1, POSINT2, POSINT3, ScalarInt, SPH_MAT, SPHERE, SPHERETF1, SPHERETF2

Index for Viewpoint node: Viewpoint_1
-->
X3D Tooltips element index: Appearance, ColorInterpolator, Cylinder, Group, head, Material, meta, OrientationInterpolator, PositionInterpolator, ROUTE, Scene, Shape, Sphere, TimeSensor, Transform, Viewpoint, WorldInfo, X3D, accessType and type, XML data types, field types

Event Graph ROUTE Table with 13 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.

CLOCK1
TimeSensor
fraction_changed
SFFloat
→
ROUTE
event to
(1)
POSINT1
PositionInterpolator
set_fraction
SFFloat 		then
 
 
  		POSINT1
PositionInterpolator
value_changed
SFVec3f
→
ROUTE
event to
(2)
SPHERETF1
Transform
set_translation
SFVec3f
CLOCK1
TimeSensor
fraction_changed
SFFloat
→
ROUTE
event to
(1)
POSINT2
PositionInterpolator
set_fraction
SFFloat 		then
 
 
  		POSINT2
PositionInterpolator
value_changed
SFVec3f
→
ROUTE
event to
(2)
SPHERETF2
Transform
set_translation
SFVec3f
CLOCK1
TimeSensor
fraction_changed
SFFloat
→
ROUTE
event to
(1)
ColorINT
ColorInterpolator
set_fraction
SFFloat 		then
 
 
  		ColorINT
ColorInterpolator
value_changed
SFColor
→
ROUTE
event to
(2)
SPH_MAT
Material
set_diffuseColor
SFColor
  then
 
 
  		ColorINT
ColorInterpolator
value_changed
SFColor
→
ROUTE
event to
(2)
SPH_MAT
Material
set_emissiveColor
SFColor
CLOCK1
TimeSensor
fraction_changed
SFFloat
→
ROUTE
event to
(1)
POSINT3
PositionInterpolator
set_fraction
SFFloat 		then
 
 
  		POSINT3
PositionInterpolator
value_changed
SFVec3f
→
ROUTE
event to
(2)
CYL_TF
Transform
set_translation
SFVec3f
CLOCK1
TimeSensor
fraction_changed
SFFloat
→
ROUTE
event to
(1)
OrientINT
OrientationInterpolator
set_fraction
SFFloat 		then
 
 
  		OrientINT
OrientationInterpolator
value_changed
SFRotation
→
ROUTE
event to
(2)
CYL_TF
Transform
set_rotation
SFRotation
CLOCK1
TimeSensor
fraction_changed
SFFloat
→
ROUTE
event to
(1)
ScalarInt
PositionInterpolator
set_fraction
SFFloat 		then
 
 
  		ScalarInt
PositionInterpolator
value_changed
SFVec3f
→
ROUTE
event to
(2)
CYL_TF
Transform
set_scale
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! 😀
-->
<!-- Online at
https://www.web3d.org/x3d/content/examples/Basic/StudentProjects/DraggingSphereIndex.html -->
<!-- Version control at
https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/content/examples/Basic/StudentProjects/DraggingSphere.x3d -->

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