<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.1//EN" "https://www.web3d.org/specifications/x3d-3.1.dtd">
<X3D profile='Immersive'  version='3.1 xmlns:xsd='http://www.w3.org/2001/XMLSchema-instance' xsd:noNamespaceSchemaLocation =' https://www.web3d.org/specifications/x3d-3.1.xsd ' >
<meta name='titlecontent=' PerFrameNotificationECMAScript.x3d '/>
<meta name='descriptioncontent='This example shows how to use per-frame notification to produce a frame rate output in the Browser console'/>
<meta name='creatorcontent='X3D Specification'/>
<meta name='translatorcontent='Xeena VRML importer'/>
<meta name='translatedcontent='23 February 2005'/>
<meta name='modifiedcontent='20 October 2019'/>
<meta name='subjectcontent='X3D ECMAScript Script Authoring Interface (SAI)'/>
<meta name='identifiercontent=' https://www.web3d.org/x3d/content/examples/Basic/ScriptConformance/PerFrameNotificationECMAScript.x3d '/>
<meta name='referencecontent=' https://www.web3d.org/x3d/specifications/ISO-IEC-19777-1-X3DLanguageBindings-ECMAScript/Part1/examples.html#PerFrameNotification '/>
<meta name='generatorcontent=' Vrml97ToX3dNist, http://ovrt.nist.gov/v2_x3d.html '/>
<meta name='generatorcontent='X3D-Edit 3.3, https://savage.nps.edu/X3D-Edit'/>
<meta name='licensecontent=' ../license.html'/>

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<!-- Index for DEF node: SC
<WorldInfo title='PerFrameNotificationECMAScript.x3d'/>
<Script DEF='SC'>


var lastStartTime;

function initialize() {
    date = new Date();
    lastStartTime = date.getTime();

// Called each frame
function prepareEvents() 
    date = new Date();
    frameTime = (date.getTime() - lastStartTime) / 1000.0;
    lastStartTime = date.getTime();
    fps = 1.0 / frameTime;
    Browser.println('FPS: ' + fps);


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<!-- Index for DEF node: SC

Event Graph ROUTE Table with 0 ROUTE 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.

No ROUTE connection found for output from this node.


<!-- Online at
https://www.web3d.org/x3d/content/examples/Basic/ScriptConformance/PerFrameNotificationECMAScriptIndex.html -->
<!-- Version control at
https://sourceforge.net/p/x3d/code/HEAD/tree/www.web3d.org/x3d/content/examples/Basic/ScriptConformance/PerFrameNotificationECMAScript.x3d -->

<!-- Color legend: X3D terminology <X3dNode DEF='idName' field='value'/> matches XML terminology <XmlElement DEF='idName' attribute='value'/>
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