| 1 |
<?xml version="1.0" encoding="UTF-8"?>
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| 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='title' content='Figure08_3PositionInterpolatorWithAxes.x3d'/> |
| 6 | <meta name='creator' content='Figure 8.3, The VRML 2.0 Sourcebook, Copyright [1997] By Andrea L. Ames, David R. Nadeau, and John L. Moreland'/> |
| 7 | <meta name='reference' content='http://www.wiley.com/legacy/compbooks/vrml2sbk/ch08/08fig03.htm'/> |
| 8 | <meta name='translator' content='Don Brutzman'/> |
| 9 | <meta name='created' content='8 August 2000'/> |
| 10 | <meta name='modified' content='3 May 2024'/> |
| 11 | <meta name='description' content='Simple PositionInterpolator example. An animation that moves a coordinate system and the cube built within it along a bouncing path, with coordinate axes superimposed to show X3D/VRML directions'/> |
| 12 | <meta name='reference' content='PositionInterpolatorPathMapDiagram.png'/> |
| 13 | <meta name='identifier' content='https://www.web3d.org/x3d/content/examples/Vrml2Sourcebook/Chapter08AnimatingPositionOrientationScale/Figure08_3PositionInterpolatorWithAxes.x3d'/> |
| 14 | <meta name='generator' content='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/> |
| 15 | <meta name='license' content='../../license.html'/> |
| 16 | </head> |
Index for DEF nodes:
BOUNCINGBOXTRANSFORM,
CLOCK,
CoordinateAxes,
CUBEPATH
| 17 | <Scene> |
| 18 | <WorldInfo title='Figure08_3PositionInterpolatorWithAxes.x3d'/> |
| 19 | <NavigationInfo/> |
| 20 | <!-- Animation clock --> |
| 21 |
<!-- ROUTE information for CLOCK node:
[from fraction_changed to CUBEPATH.set_fraction
]
-->
<TimeSensor DEF='CLOCK' cycleInterval='4' loop='true'/> |
| 22 | <!-- Key locations in the animation path are captured in the PositionInterpolator. --> |
| 23 | <!-- Intermediate position values are interpolated between key locations. --> |
| 24 |
<!-- ROUTE information for CUBEPATH node:
[from CLOCK.fraction_changed to set_fraction
]
[from value_changed to BOUNCINGBOXTRANSFORM.set_translation
]
-->
<PositionInterpolator DEF='CUBEPATH' key='0.00 0.11 0.17 0.22 0.33 0.44 0.50 0.55 0.66 0.77 0.83 0.88 0.99' keyValue='0.0 0.0 0.0 1.0 1.96 1.0 1.5 2.21 1.5 2.0 1.96 2.0 3.0 0.0 3.0 2.0 1.96 3.0 1.5 2.21 3.0 1.0 1.96 3.0 0.0 0.0 3.0 0.0 1.96 2.0 0.0 2.21 1.5 0.0 1.96 1.0 0.0 0.0 0.0'/> |
| 25 | < ROUTE fromNode='CLOCK' fromField='fraction_changed' toNode='CUBEPATH' toField='set_fraction'/> |
| 26 | <!-- Moving box is rotated slightly to better show its shape. --> |
| 27 |
<!-- ROUTE information for BOUNCINGBOXTRANSFORM node:
[from CUBEPATH.value_changed to set_translation
]
-->
<Transform DEF='BOUNCINGBOXTRANSFORM' rotation='0 1 0 .78'> |
| 28 | <Shape> |
| 29 | <Appearance> |
| 30 | <Material diffuseColor='.8 .8 .2'/> |
| 31 | </Appearance> |
| 32 | <Box size='1 1.5 1'/> |
| 33 | </Shape> |
| 34 | </Transform> |
| 35 | < ROUTE fromNode='CUBEPATH' fromField='value_changed' toNode='BOUNCINGBOXTRANSFORM' toField='set_translation'/> |
| 36 | <!-- Adding this Inline reference to another scene superimposes X3D/VRML coordinate system axes. --> |
| 37 | <Transform scale='4 4 4'> |
| 38 | <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" '/> |
| 39 | </Transform> |
| 40 | </Scene> |
| 41 | </X3D> |
Index for DEF nodes:
BOUNCINGBOXTRANSFORM,
CLOCK,
CoordinateAxes,
CUBEPATH
Event Graph ROUTE Table with 2 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.
|
CLOCK
TimeSensor fraction_changed SFFloat |
CUBEPATH
PositionInterpolator set_fraction SFFloat |
then
|
CUBEPATH
PositionInterpolator value_changed SFVec3f |
BOUNCINGBOXTRANSFORM
Transform set_translation SFVec3f |
<!--
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)
-->
<!--
For additional help information about X3D scenes, please see X3D Tooltips, X3D Resources, and X3D Scene Authoring Hints.
-->
