1 |
<?xml version="1.0" encoding="UTF-8"?>
|
2 |
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.3//EN" "https://www.web3d.org/specifications/x3d-3.3.dtd">
|
3 | <X3D profile='Interactive' version='3.3' xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation='https://www.web3d.org/specifications/x3d-3.3.xsd'> |
4 | <head> |
5 | <meta name='title' content='PointLightColor.x3d'/> |
6 | <meta name='description' content='Example of a PointLight node showing the effect of distance on lighting of geometry.'/> |
7 | <meta name='creator' content='Leonard Daly and Don Brutzman'/> |
8 | <meta name='created' content='24 April 2006'/> |
9 | <meta name='modified' content='20 October 2019'/> |
10 | <meta name='reference' content='https://X3dGraphics.com'/> |
11 | <meta name='reference' content='https://www.web3d.org/x3d/content/examples/X3dResources.html'/> |
12 | <meta name='rights' content='Copyright 2006, Daly Realism and Don Brutzman'/> |
13 | <meta name='subject' content='X3D book, X3D graphics, X3D-Edit, http://www.x3dGraphics.com'/> |
14 | <meta name='identifier' content='https://www.web3d.org/x3d/content/examples/X3dForWebAuthors/Chapter11LightingEnvironmentalEffects/PointLightColor.x3d'/> |
15 | <meta name='generator' content='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/> |
16 | <meta name='license' content='../license.html'/> |
17 | </head> |
18 | <Scene> |
19 | <WorldInfo title='PointLightColor.x3d'/> |
20 | <Background skyColor='1 1 1'/> |
21 | <NavigationInfo headlight='false'/> |
22 | <Viewpoint description='Book Viewpoint'/> |
23 |
<!-- ROUTE information for Lamp node:
[from LightColor.value_changed to color
]
-->
<PointLight DEF='Lamp' color='1 1 0' location='0 0 12' radius='15'/> |
24 | <Transform> |
25 | <Transform DEF='Box'> |
26 | <Shape> |
27 | <Appearance> |
28 | <Material diffuseColor='1 1 1'/> |
29 | </Appearance> |
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32 | </IndexedFaceSet> |
33 | </Shape> |
34 | </Transform> |
35 | <Shape> |
36 | <Appearance> |
37 | <Material diffuseColor='.8 0 1'/> |
38 | </Appearance> |
39 | <Cone bottomRadius='2' height='4'/> |
40 | </Shape> |
41 | <Shape> |
42 | <Appearance> |
43 | <Material diffuseColor='0 .8 1'/> |
44 | </Appearance> |
45 | <Cylinder height='4' radius='1.2'/> |
46 | </Shape> |
47 | </Transform> |
48 |
<!-- ROUTE information for Timer node:
[from fraction_changed to LightColor.set_fraction
]
-->
<TimeSensor DEF='Timer' cycleInterval='8' loop='true'/> |
49 |
<!-- ROUTE information for LightColor node:
[from Timer.fraction_changed to set_fraction
]
[from value_changed to Lamp.color
]
-->
<ColorInterpolator DEF='LightColor' key='0 .125 .375 .5 .625 .875 1' keyValue='1 1 0 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0'/> |
50 | < ROUTE fromNode='Timer' fromField='fraction_changed' toNode='LightColor' toField='set_fraction'/> |
51 | < ROUTE fromNode='LightColor' fromField='value_changed' toNode='Lamp' toField='color'/> |
52 | </Scene> |
53 | </X3D> |
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.
Timer
TimeSensor fraction_changed SFFloat |
LightColor
ColorInterpolator set_fraction SFFloat |
then
|
LightColor
ColorInterpolator value_changed SFColor |
Lamp
PointLight color SFColor |
<!--
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. -->