| 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='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='ScriptNodeEventOutControl_EcmaScript.x3d'/> |
| 6 | <meta name='description' content='Script node interface between VRML and EcmaScript: this conformance example tests event-based VRML-EcmaScript functionality.'/> |
| 7 | <meta name='creator' content='Don Brutzman'/> |
| 8 | <meta name='created' content='30 November 1997'/> |
| 9 | <meta name='translated' content='13 May 2001'/> |
| 10 | <meta name='modified' content='20 October 2019'/> |
| 11 | <meta name='identifier' content='https://www.web3d.org/x3d/content/examples/Basic/ScriptConformance/ScriptNodeEventOutControl_EcmaScript.x3d'/> |
| 12 | <meta name='reference' content='VRML 97 Specification, Annex C, ECMAScript scripting reference'/> |
| 13 | <meta name='reference' content='https://www.web3d.org/technicalinfo/specifications/vrml97/part1/javascript.html'/> |
| 14 | <meta name='reference' content='https://www.web3d.org/technicalinfo/specifications/vrml97/part1/javascript.html#AccessingFields'/> |
| 15 | <meta name='reference' content='Makefile'/> |
| 16 | <meta name='reference' content='Makefile.out'/> |
| 17 | <meta name='reference' content='ScriptNodeEventOutControl_EcmaScript-VrmlConsoleOutput.txt'/> |
| 18 | <meta name='reference' content='ScriptNodeEventOutControl_EcmaScriptSnapshots.html'/> |
| 19 | <meta name='reference' content='ScriptNodeEventOutControl_Java.x3d'/> |
| 20 | <meta name='subject' content='VRML X3D EcmaScript Script conformance'/> |
| 21 | <meta name='generator' content='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/> |
| 22 | <meta name='license' content='../license.html'/> |
| 23 | </head> |
Index for DEF nodes:
ClickTextToTest,
InterfaceScriptNode,
MessageToUser,
TextMaterial,
TextPosition
| 24 | <Scene> |
| 25 | <WorldInfo title='ScriptNodeEventOutControl_EcmaScript.x3d'/> |
| 26 | <Viewpoint description='View test' position='0 0 12'/> |
| 27 | <Group> |
| 28 |
<!-- ROUTE information for ClickTextToTest node:
[from touchTime to InterfaceScriptNode.startTime
]
-->
<TouchSensor DEF='ClickTextToTest' description='Click text to test'/> |
| 29 |
<!-- ROUTE information for TextPosition node:
[from InterfaceScriptNode.changedPosition to set_translation
]
-->
<Transform DEF='TextPosition'> |
| 30 | <!-- TextPosition translation is modified by InterfaceScriptNode. --> |
| 31 | <Shape> |
| 32 | <!-- note "" means empty string, which skips a line and pushes the other text upwards by a line --> |
| 33 |
<!-- ROUTE information for MessageToUser node:
[from InterfaceScriptNode.changedText to set_string
]
-->
<Text DEF='MessageToUser' string='"Default text in VRML scene will be replaced by" "Java initialize() in Script using EventOut control." "This text appears first, if Java initialization fails." ""'> |
| 34 | <FontStyle justify='"MIDDLE" "MIDDLE"' size='0.8'/> |
| 35 | </Text> |
| 36 | <Appearance> |
| 37 |
<!-- ROUTE information for TextMaterial node:
[from InterfaceScriptNode.changedColor to set_diffuseColor
]
-->
<Material DEF='TextMaterial' diffuseColor='0.8 0.2 0.2' shininess='0.9'/> |
| 38 | </Appearance> |
| 39 | </Shape> |
| 40 | </Transform> |
| 41 |
<!-- ROUTE information for InterfaceScriptNode node:
[from ClickTextToTest.touchTime to startTime
]
[from changedText to MessageToUser.set_string
]
[from changedPosition to TextPosition.set_translation
]
[from changedColor to TextMaterial.set_diffuseColor
]
-->
<Script DEF='InterfaceScriptNode'> |
| 42 | <!-- No default values are allowed for eventIn or eventOut. --> |
| 43 | <field name='startTime' type='SFTime' accessType='inputOnly'/> |
| 44 | <field name='changedText' type='MFString' accessType='outputOnly'/> |
| 45 | <field name='changedPosition' type='SFVec3f' accessType='outputOnly'/> |
| 46 | <field name='changedColor' type='SFColor' accessType='outputOnly'/> |
<![CDATA[
ecmascript:
function initialize ()
{
DEBUG = true;
mode = 1;
if (DEBUG) Browser.println ('initialize ():');
changedText = new MFString (
'EcmaScript initialize () with eventOut control',
'has reinitialized the changedText node.',
'',
'Please click text for additional results.');
changedPosition = new SFVec3f ( 0, 3, 0 );
changedColor = new SFColor ( 0.8, 0.8, 0.2 );
if (DEBUG) Browser.println ('changedText =' + changedText);
if (DEBUG) Browser.println ('changedPosition =' + changedPosition);
if (DEBUG) Browser.println ('changedColor =' + changedColor);
}
function startTime (value, timestamp)
{
if (DEBUG) Browser.println ('==============================');
if (DEBUG) Browser.println ('touchEvent startTime =' + value);
mode = (mode + 1) % 3;
if (DEBUG) Browser.println ('mode =' + mode);
switch (mode)
{
case 0: // pre-initialize error messsage
changedText = new MFString (
'Default text in VRML scene will be replaced by',
'EcmaScript initialize() in Script using EventOut control.',
'This text appears first, if EcmaScript initialization fails.',
'');
changedPosition = new SFVec3f ( 0, 1, 0 );
changedColor = new SFColor ( 0.8, 0.2, 0.2 );
break;
case 1: // post-initialize ready-to-click message
initialize ();
break;
case 2: // post-click all-done message
changedText = new MFString (
'User click on text seen by EcmaScript',
'function via Script node eventIn.',
'Text & position successfully changed',
'via EventOut control. Test passed.');
changedPosition = new SFVec3f ( 0, -1, 0 );
changedColor = new SFColor ( 0.2, 0.8, 0.2 );
break;
}
if (mode != 1)
{
if (DEBUG) Browser.println ('changedText =' + changedText);
if (DEBUG) Browser.println ('changedPosition =' + changedPosition);
if (DEBUG) Browser.println ('changedColor =' + changedColor);
if (DEBUG) Browser.println ();
}
}
function shutdown()
{
if (DEBUG) Browser.println ('==============================');
if (DEBUG) Browser.println ('script shutdown.');
if (DEBUG) Browser.println ('==============================');
}
]]>
|
|
| 48 | </Script> |
| 49 | </Group> |
| 50 | < ROUTE fromNode='ClickTextToTest' fromField='touchTime' toNode='InterfaceScriptNode' toField='startTime'/> |
| 51 | < ROUTE fromNode='InterfaceScriptNode' fromField='changedText' toNode='MessageToUser' toField='set_string'/> |
| 52 | < ROUTE fromNode='InterfaceScriptNode' fromField='changedPosition' toNode='TextPosition' toField='set_translation'/> |
| 53 | < ROUTE fromNode='InterfaceScriptNode' fromField='changedColor' toNode='TextMaterial' toField='set_diffuseColor'/> |
| 54 | </Scene> |
| 55 | </X3D> |
Index for DEF nodes:
ClickTextToTest,
InterfaceScriptNode,
MessageToUser,
TextMaterial,
TextPosition
Event Graph ROUTE Table entries with 4 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.
|
ClickTextToTest
TouchSensor touchTime SFTime |
InterfaceScriptNode
Script startTime SFTime |
then
|
InterfaceScriptNode
Script changedColor SFColor |
TextMaterial
Material set_diffuseColor SFColor |
||
|
then
|
InterfaceScriptNode
Script changedPosition SFVec3f |
TextPosition
Transform set_translation SFVec3f |
||||
|
then
|
InterfaceScriptNode
Script changedText MFString |
MessageToUser
Text set_string MFString |
||||
|
InterfaceScriptNode
Script changedText MFString |
MessageToUser
Text set_string MFString |
|
|
InterfaceScriptNode
Script changedPosition SFVec3f |
TextPosition
Transform set_translation SFVec3f |
|
|
InterfaceScriptNode
Script changedColor SFColor |
TextMaterial
Material set_diffuseColor 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.
-->
