<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.3//EN" "https://www.web3d.org/specifications/x3d-3.3.dtd">
<X3D profile='Immersive' version='3.3'
xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance'
xsd:noNamespaceSchemaLocation
='
https://www.web3d.org/specifications/x3d-3.3.xsd
'>
<head>
</head>
<!--
-->
<Scene>
<WorldInfo title='ColorInterpolatorExample.x3d'/>
<Group>
<!-- Place triggering text above sphere of interest -->
<Transform translation='0 2 0'>
<Shape>
<Text string='"Touch text to" "start animation..."'>
<FontStyle justify='"MIDDLE" "MIDDLE"'/>
</Text>
<Appearance>
<Material/>
</Appearance>
</Shape>
<!-- Selectable Text design pattern has transparent Box and TouchSensor description as a tooltip -->
<Shape>
<Box size='6.2 2 .001'/>
<Appearance>
<Material transparency='1'/>
</Appearance>
</Shape>
<!-- This TouchSensor only reacts to user clicking on the sibling Shape and Text, because it is under a parent Transform grouping node -->
<!-- ROUTE information for TextTriggerTouchSensor node:
[from touchTime to AnimationClock.startTime
]
-->
<TouchSensor DEF='TextTriggerTouchSensor' description='Touch text to start...'/>
</Transform>
<!-- Here is Sphere with accompanying Material that will get animated -->
<Transform translation='0 -1 0'>
<Shape>
<Sphere/>
<Appearance>
</Appearance>
</Shape>
</Transform>
<!-- TimeSensor is triggered to start by TouchSensor, then sends animating values to Interpolator -->
<!-- ROUTE information for AnimationClock node:
[from TextTriggerTouchSensor.touchTime to startTime
]
[from fraction_changed to ColorChanger.set_fraction
]
-->
<TimeSensor DEF='AnimationClock' cycleInterval='6'/>
<!-- ROUTE 1: TouchSensor trigger to TimeSensor clock -->
<ROUTE fromNode='TextTriggerTouchSensor' fromField='touchTime' toNode='AnimationClock' toField='startTime'/>
<!-- Interpolator: ColorChanger interpolates evenly between red, green, blue and then back to red -->
<!-- ROUTE information for ColorChanger node:
[from AnimationClock.fraction_changed to set_fraction
]
[from value_changed to SphereMaterial.diffuseColor
]
-->
<ColorInterpolator DEF='ColorChanger' key='0 0.3333 0.6666 1' keyValue='1 0 0 0 1 0 0 0 1 1 0 0'/>
<!-- ROUTE 2: the ColorChanger interpolator gets stimulated by AnimationClock TimeSensor fraction to compute a color value -->
<ROUTE fromNode='AnimationClock' fromField='fraction_changed' toNode='ColorChanger' toField='set_fraction'/>
<!-- ROUTE 3: Interpolator output is sent to target node of interest. Changed color value is routed to SphereMaterial color. -->
<ROUTE fromNode='ColorChanger' fromField='value_changed' toNode='SphereMaterial' toField='diffuseColor'/>
</Group>
</Scene>
</X3D>
<!--
-->
<!--
Online at https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter07EventAnimationInterpolation/ColorInterpolatorExampleIndex.html
-->
<!--
Color key:
<X3dNode
DEF='idName' field='value'/>
matches
<XmlElement
DEF='idName' attribute='value'/>
(Light blue background: behavior node) (Grey background: inserted documentation) (Magenta background: X3D Extensibility)
-->
<!--
For additional help information about X3D scenes, please see X3D Tooltips, X3D Resources and X3D Scene Authoring Hints.
-->