MaterialModulator.x3d (X3dToXhtml)

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE X3D PUBLIC "ISO//Web3D//DTD X3D 3.1//EN"   "http://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=' http://www.web3d.org/specifications/x3d-3.1.xsd '>

<head>

<meta name='title' content='MaterialModulator.x3d'/>
<meta name='description' content='Mimic a Material node and modulate fields as an animation effect'/>
<meta name='creator' content='Don Brutzman'/>
<meta name='created' content='10 March 2008'/>
<meta name='modified' content='3 August 2008'/>
<meta name='subject' content='X3D prototype requiring Script inputOutput fields'/>
<meta name='image' content='MaterialModulator.png'/>
<meta name='identifier' content=' http://X3dGraphics.com/examples/X3dForWebAuthors/Chapter14-Prototypes/MaterialModulator.x3d '/>
<meta name='generator' content='X3D-Edit 3.2, https://savage.nps.edu/X3D-Edit'/>
<meta name='license' content='../../license.html'/>

</head>
<!--

Index for ProtoDeclare definition: MaterialModulator
Index for DEF nodes: MaterialModulatorScript, MaterialNode, ModulationClock

-->
<Scene>

<ProtoDeclare name='MaterialModulator' appinfo='mimic a Material node and modulate fields as an animation effect'>

<ProtoInterface>

<field name='enabled' type='SFBool' value='true' accessType='inputOutput'/>
<field name='diffuseColor' type='SFColor' value='0.8 0.8 0.8' accessType='inputOutput'/>
<field name='emissiveColor' type='SFColor' value='0 0 0' accessType='inputOutput'/>
<field name='specularColor' type='SFColor' value='0 0 0' accessType='inputOutput'/>
<field name='transparency' type='SFFloat' value='0.0' accessType='inputOutput'/>
<field name='shininess' type='SFFloat' value='0.2' accessType='inputOutput'/>
<field name='ambientIntensity' type='SFFloat' value='0.2' accessType='inputOutput'/>

</ProtoInterface>
<ProtoBody>

<Material DEF='MaterialNode'>

<IS>

<connect nodeField='diffuseColor' protoField='diffuseColor'/>
<connect nodeField='emissiveColor' protoField='emissiveColor'/>
<connect nodeField='specularColor' protoField='specularColor'/>
<connect nodeField='transparency' protoField='transparency'/>
<connect nodeField='shininess' protoField='shininess'/>
<connect nodeField='ambientIntensity' protoField='ambientIntensity'/>

</IS>

</Material>


<Script DEF='MaterialModulatorScript'>

<field name='enabled' type='SFBool' accessType='inputOutput'/>
<field name='diffuseColor' type='SFColor' accessType='inputOutput'/>
<field name='newColor' type='SFColor' accessType='outputOnly'/>
<field name='clockTrigger' type='SFTime' accessType='inputOnly'/>
<IS>

<connect nodeField='enabled' protoField='enabled'/>
<connect nodeField='diffuseColor' protoField='diffuseColor'/>

</IS>


                        <![CDATA[

          
ecmascript:
function initialize ()
{
    newColor = diffuseColor; // start with correct color
}

function clockTrigger (timeValue)
{
    if (!enabled) return;
    red   = newColor.r;
    green = newColor.g;
    blue  = newColor.b;
    
    // note different modulation rates for each color component, % is modulus operator
    newColor = new SFColor ((red + 0.02) % 1, (green + 0.03) % 1, (blue + 0.04) % 1);   
    Browser.print ('diffuseColor=(' + red +',' + green + ',' + blue + ') newColor=' + newColor.toString() + '\n');
}

]]>

</Script>
<ROUTE fromNode='MaterialModulatorScript' fromField='newColor' toNode='MaterialNode' toField='diffuseColor'/>

<TimeSensor DEF='ModulationClock' cycleInterval='0.05' loop='true'/>
<ROUTE fromNode='ModulationClock' fromField='cycleTime' toNode='MaterialModulatorScript' toField='clockTrigger'/>

</ProtoBody>

</ProtoDeclare>

<Shape>

<Sphere/>
<Appearance>

<ProtoInstance name='MaterialModulator' containerField='material'>

<fieldValue name='enabled' value='true'/>
<fieldValue name='diffuseColor' value='0.5 0.1 0.1'/>

</ProtoInstance>

</Appearance>

</Shape>

</Scene>

</X3D>
<!--

Index for ProtoDeclare definition: MaterialModulator
Index for DEF nodes: MaterialModulatorScript, MaterialNode, ModulationClock

-->