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/* <copyright>
This file contains proprietary software owned by Motorola Mobility, Inc.<br/>
No rights, expressed or implied, whatsoever to this software are provided by Motorola Mobility, Inc. hereunder.<br/>
(c) Copyright 2011 Motorola Mobility, Inc. All Rights Reserved.
</copyright> */
///////////////////////////////////////////////////////////////////////
// Class GLMaterial
// RDGE representation of a material.
///////////////////////////////////////////////////////////////////////
function TaperMaterial()
{
// initialize the inherited members
this.inheritedFrom = GLMaterial;
this.inheritedFrom();
///////////////////////////////////////////////////////////////////////
// Instance variables
///////////////////////////////////////////////////////////////////////
this._name = "TaperMaterial";
this._shaderName = "taper";
this._color = [1,0,0,1];
this._deltaTime = 0.0;
///////////////////////////////////////////////////////////////////////
// Property Accessors
///////////////////////////////////////////////////////////////////////
this.getColor = function() { return this._color; }
this.getShaderName = function() { return this._shaderName; }
this.isAnimated = function() { return true; }
this.hasVertexDeformation = function() { return this._hasVertexDeformation; }
this._hasVertexDeformation = true;
this._vertexDeformationTolerance = 0.02; // should be a property
///////////////////////////////////////////////////////////////////////
// Methods
///////////////////////////////////////////////////////////////////////
// duplcate method requirde
this.dup = function() { return new TaperMaterial(); }
this.init = function( world )
{
// set up the shader
this._shader = new jshader();
this._shader.def = taperShaderDef;
this._shader.init();
// set the defaults
this._shader.colorMe.color.set( this.getColor() );
// set up the material node
this._materialNode = createMaterialNode("taperMaterial_" + world.generateUniqueNodeID());
this._materialNode.setShader(this._shader);
// initialize the taper properties
this.updateShaderValues();
}
///////////////////////////////////////////////////////////////////////
// Material Property Accessors
///////////////////////////////////////////////////////////////////////
this._propNames = ["color", "u_limit1", "u_limit2", "u_limit3", "u_minVal", "u_maxVal", "u_center", "u_taperAmount" ];
this._propLabels = ["Color", "Minimum Parameter Value", "Center Paramater Value", "Maximum Parameter Value", "Minimum Data Bounds", "Maximum Data Bounds", "Center", "Taper Amount"];
this._propTypes = ["color", "float", "float", "float", "float", "float", "float", "float"];
this._propValues = [];
// initialize the property values
this._propValues[ this._propNames[0] ] = this._color.slice();
this._propValues[ this._propNames[1] ] = 0.25;
this._propValues[ this._propNames[2] ] = 0.50;
this._propValues[ this._propNames[3] ] = 0.75;
this._propValues[ this._propNames[4] ] = -1;
this._propValues[ this._propNames[5] ] = 1;
this._propValues[ this._propNames[6] ] = 0.0;
this._propValues[ this._propNames[7] ] = 0.9;
this.setProperty = function( prop, value )
{
// make sure we have legitimate input
if (this.validateProperty( prop, value ))
{
switch (prop)
{
case "color": this._propValues[prop] = value.slice(); break;
default: this._propValues[prop] = value; break;
}
this.updateShaderValues();
}
}
///////////////////////////////////////////////////////////////////////
this.export = function()
{
// this function should be overridden by subclasses
var exportStr = "material: " + this.getShaderName() + "\n";
exportStr += "name: " + this.getName() + "\n";
if (this._shader)
exportStr += "color: " + String(this._shader.colorMe.color) + "\n";
else
exportStr += "color: " + this.getColor() + "\n";
exportStr += "endMaterial\n";
return exportStr;
}
this.import = function( importStr )
{
var pu = new ParseUtils( importStr );
var material = pu.nextValue( "material: " );
if (material != this.getShaderName()) throw new Error( "ill-formed material" );
this.setName( pu.nextValue( "name: ") );
var rtnStr;
try
{
var color = eval( "[" + pu.nextValue( "color: " ) + "]" );
this.setProperty( "color", color);
var endKey = "endMaterial\n";
var index = importStr.indexOf( endKey );
index += endKey.length;
rtnStr = importStr.substr( index );
}
catch (e)
{
throw new Error( "could not import material: " + importStr );
}
return rtnStr;
}
this.update = function( time )
{
//var speed = 0.01;
//time *= speed;
this._deltaTime += 0.01;
if (this._shader && this._shader.colorMe)
{
var t3 = this._propValues[ this._propNames[3] ] - this._deltaTime;
if (t3 < 0)
{
this._deltaTime = this._propValues[ this._propNames[1] ] - 1.0;
t3 = this._propValues[ this._propNames[3] ] - this._deltaTime;
}
var t1 = this._propValues[ this._propNames[1] ] - this._deltaTime,
t2 = this._propValues[ this._propNames[2] ] - this._deltaTime;
this._shader.colorMe[this._propNames[1]].set( [t1] );
this._shader.colorMe[this._propNames[2]].set( [t2] );
this._shader.colorMe[this._propNames[3]].set( [t3] );
}
}
this.updateShaderValues = function()
{
if (this._shader && this._shader.colorMe)
{
var nProps = this._propNames.length;
for (var i=0; i<nProps; i++)
{
var propName = this._propNames[i];
var propValue = this._propValues[propName];
switch (propName)
{
case "color": this._shader.colorMe[propName].set( propValue ); break;
default: this._shader.colorMe[propName].set( [propValue] ); break;
}
}
}
}
}
///////////////////////////////////////////////////////////////////////////////////////
// RDGE shader
// shader spec (can also be loaded from a .JSON file, or constructed at runtime)
taperShaderDef =
{
'shaders': { // shader files
'defaultVShader':"assets/shaders/Taper.vert.glsl",
'defaultFShader':"assets/shaders/Taper.frag.glsl"
},
'techniques': { // rendering control
'colorMe':[ // simple color pass
{
'vshader' : 'defaultVShader',
'fshader' : 'defaultFShader',
// attributes
'attributes' :
{
'vert' : { 'type' : 'vec3' },
'normal' : { 'type' : 'vec3' },
'texcoord' : { 'type' : 'vec2' },
},
// attributes
'params' :
{
'color' : { 'type' : 'vec4' },
'u_limit1': { 'type': 'float' },
'u_limit2': { 'type': 'float' },
'u_limit3': { 'type': 'float' },
'u_minVal': { 'type': 'float' },
'u_maxVal': { 'type': 'float' },
'u_center': { 'type': 'float' },
'u_taperAmount': { 'type': 'float' }
},
},
]
}
};
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