UnderstandingSceneGraphsTouchToLight.x3d (X3dToXhtml listing)

X3D Model Documentation: UnderstandingSceneGraphsTouchToLight.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='Interactive' 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='UnderstandingSceneGraphsTouchToLight.x3d'/>
6	<meta name='description' content="Put mouse (or pointing device) over ball to turn on light. Demonstration example used in Doctor Dobb's Journal (DDJ) article."/>
7	<meta name='creator' content='Aaron Walsh, Mantiscorp Development'/>
8	<meta name='reference' content='aaron@mantiscorp.com(Aaron Walsh)?subject=Understanding Scene Graphs - example feedback'/>
9	<meta name='reference' content='http://www.mantiscorp.com/people/aew'/>
10	<meta name='created' content='9 April 2002'/>
11	<meta name='modified' content='20 October 2019'/>
12	<meta name='reference' content='http://www.ddj.com'/>
13	<meta name='reference' content='UnderstandingSceneGraphs.pdf'/>
14	<meta name='reference' content='https://www.web3d.org/x3d/content/examples/Basic/development/UnderstandingSceneGraphs.pdf'/>
15	<meta name='identifier' content='https://www.web3d.org/x3d/content/examples/Basic/development/UnderstandingSceneGraphsTouchToLight.x3d'/>
16	<meta name='translator' content='Don Brutzman, NPS'/>
17	<meta name='generator' content='Vrml97ToX3dNist, http://ovrt.nist.gov/v2_x3d.html'/>
18	<meta name='generator' content='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
19	<meta name='license' content='../license.html'/>
20	</head>

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Event Graph ROUTE Table shows event connections.

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Index for DEF nodes: LIGHT, TOUCH

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21	<Scene>
22	<WorldInfo title='UnderstandingSceneGraphsTouchToLight.x3d'/>
23	<Group>
24	<Shape>
25	<Appearance>
26	<Material/>
27	</Appearance>
28	<Sphere/>
29	</Shape>
30	<!-- define sensor -->
31	<!-- ROUTE information for TOUCH node: [from isOver to LIGHT.set_on ] --> <TouchSensor DEF='TOUCH' description='hold pointing device over geometry to turn on light'/>
32	<!-- define light, R G B color -->
33	<!-- ROUTE information for LIGHT node: [from TOUCH.isOver to set_on ] --> <DirectionalLight DEF='LIGHT' color='1.0 1.0 0.0' on='false'/>
34	< ROUTE fromNode='TOUCH' fromField='isOver' toNode='LIGHT' toField='set_on'/>
35	</Group>
36	</Scene>
37	</X3D>

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Event Graph ROUTE Table shows event connections.

-->

<!--

Index for DEF nodes: LIGHT, TOUCH

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X3D Tooltips element index: Appearance, DirectionalLight, Group, head, Material, meta, ROUTE, Scene, Shape, Sphere, TouchSensor, WorldInfo, X3D, accessType and type, XML data types, field types

Event Graph ROUTE Table with 1 ROUTE connection 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.

TOUCH
TouchSensor
isOver
SFBool

→
ROUTE
event to
(1)

LIGHT
DirectionalLight
set_on
SFBool

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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