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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> */
var Material = require("js/lib/rdge/materials/material").Material;
var Texture = require("js/lib/rdge/texture").Texture;
///////////////////////////////////////////////////////////////////////
// Class GLMaterial
// RDGE representation of a material.
///////////////////////////////////////////////////////////////////////
var TaperMaterial = function TaperMaterial()
{
// initialize the inherited members
this.inheritedFrom = Material;
this.inheritedFrom();
///////////////////////////////////////////////////////////////////////
// Instance variables
///////////////////////////////////////////////////////////////////////
this._name = "Taper";
this._shaderName = "taper";
this._deltaTime = 0.0;
///////////////////////////////////////////////////////////////////////
// Property Accessors
///////////////////////////////////////////////////////////////////////
this.getShaderName = function () { return this._shaderName; };
this.isAnimated = function () { return true; };
this.getShaderDef = function() { return taperShaderDef; };
this.getTechniqueName = function() { return 'colorMe' };
this.hasVertexDeformation = function () { return this._hasVertexDeformation; };
this._hasVertexDeformation = true;
this._vertexDeformationTolerance = 0.02; // should be a property
///////////////////////////////////////////////////////////////////////
// Methods
///////////////////////////////////////////////////////////////////////
this.init = function (world) {
this.setWorld(world);
// set up the shader
this._shader = new RDGE.jshader();
this._shader.def = taperShaderDef;
this._shader.init();
// set up the material node
this._materialNode = RDGE.createMaterialNode("taperMaterial" + "_" + world.generateUniqueNodeID());
this._materialNode.setShader(this._shader);
this._time = 0;
if (this._shader && this._shader['default']) {
this._shader['default'].u_time.set([this._time]);
}
// initialize the taper properties
this.setShaderValues();
};
///////////////////////////////////////////////////////////////////////
// Material Property Accessors
///////////////////////////////////////////////////////////////////////
this._propNames = [ "u_limit1", "u_limit2", "u_limit3", "u_minVal", "u_maxVal", "u_center", "u_taperAmount", "u_speed" ];
this._propLabels = [ "Minimum Parameter Value", "Center Paramater Value", "Maximum Parameter Value", "Minimum Data Bounds", "Maximum Data Bounds", "Center", "Taper Amount", "Speed" ];
this._propTypes = [ "float", "float", "float", "float", "float", "float", "float", "float" ];
this._propValues = [];
// initialize the property values
this._propValues[this._propNames[0]] = 0.25;
this._propValues[this._propNames[1]] = 0.50;
this._propValues[this._propNames[2]] = 0.75;
this._propValues[this._propNames[3]] = -1;
this._propValues[this._propNames[4]] = 1;
this._propValues[this._propNames[5]] = 0.0;
this._propValues[this._propNames[6]] = 0.9;
this._propValues[this._propNames[7]] = 1.0;
this.update = function (time) {
var speed = this._propValues["u_speed"];
this._deltaTime += 0.01 * speed;
if (this._shader && this._shader.colorMe) {
var t3 = this._propValues["u_limit3"] - this._deltaTime;
if (t3 < 0) {
this._deltaTime = this._propValues["u_limit1"] - 1.0;
t3 = this._propValues["u_limit3"] - this._deltaTime;
}
var t1 = this._propValues["u_limit1"] - this._deltaTime,
t2 = this._propValues["u_limit2"] - this._deltaTime;
this._shader.colorMe["u_limit1"].set([t1]);
this._shader.colorMe["u_limit2"].set([t2]);
this._shader.colorMe["u_limit3"].set([t3]);
}
};
};
///////////////////////////////////////////////////////////////////////////////////////
// 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':
{
'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' },
'u_speed': { 'type': 'float' }
}
}
]
}
};
if (typeof exports === "object") {
exports.TaperMaterial = TaperMaterial;
}
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