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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 TwistVertMaterial = function TwistVertMaterial()
{
// initialize the inherited members
this.inheritedFrom = Material;
this.inheritedFrom();
///////////////////////////////////////////////////////////////////////
// Instance variables
///////////////////////////////////////////////////////////////////////
this._name = "Twist Vertex";
this._shaderName = "twistVert";
this._tex0 = 'assets/images/rocky-normal.jpg';
this._tex1 = 'assets/images/metal.png';
this._angle = 0.0;
this._deltaTime = 0.01;
this._speed = 1.0;
///////////////////////////////////////////////////////////////////////
// Property Accessors
///////////////////////////////////////////////////////////////////////
this.getShaderName = function () { return this._shaderName; };
this.isAnimated = function () { return true; };
this.getShaderDef = function() { return twistVertShaderDef; };
this.getTechniqueName = function() { return 'twistMe' };
this.hasVertexDeformation = function () { return this._hasVertexDeformation; };
this._hasVertexDeformation = true;
this._vertexDeformationTolerance = 0.02; // should be a property
///////////////////////////////////////////////////////////////////////
// Material Property Accessors
///////////////////////////////////////////////////////////////////////
this._propNames = [ "u_limit1", "u_limit2", "u_twistAmount", "speed", "u_tex0", "u_tex1"];
this._propLabels = [ "Start Parameter", "End Paramater", "Twist Amount", "Speed", "Front facing texture map", "Back facing texture map"];
this._propTypes = [ "float", "float", "angle", "float", "file", "file"];
this._propValues = [];
// initialize the property values
this._propValues[this._propNames[0]] = 0.0;
this._propValues[this._propNames[1]] = 1.0;
this._propValues[this._propNames[2]] = 2.0 * Math.PI;
this._propValues[this._propNames[3]] = this._speed;
this._propValues[this._propNames[4]] = this._tex0.slice();
this._propValues[this._propNames[5]] = this._tex1.slice();
///////////////////////////////////////////////////////////////////////
///////////////////////////////////////////////////////////////////////
// Methods
///////////////////////////////////////////////////////////////////////
this.init = function (world)
{
this.setWorld(world);
// set up the shader
this._shader = new RDGE.jshader();
this._shader.def = twistVertShaderDef;
this._shader.init();
// set up the material node
this._materialNode = RDGE.createMaterialNode("twistVertMaterial" + "_" + world.generateUniqueNodeID());
this._materialNode.setShader(this._shader);
// initialize the twist vert properties
this.setShaderValues();
};
this.update = function (time)
{
if (this._shader && this._shader.twistMe)
{
var technique = this._shader.twistMe;
var angle = this._angle;
angle += this._deltaTime * this._propValues["speed"];
if (angle > this._propValues["u_twistAmount"])
{
angle = this._propValues["u_twistAmount"];
this._deltaTime = -this._deltaTime;
}
else if (angle < 0.0)
{
angle = 0;
this._deltaTime = -this._deltaTime;
}
this._angle = angle;
this._shader.twistMe["u_twistAmount"].set([angle]);
var tex;
var glTex = this._glTextures["u_tex0"];
if (glTex)
{
//if (glTex.isAnimated())
glTex.render();
tex = glTex.getTexture();
if (tex)
technique.u_tex0.set( tex );
}
glTex = this._glTextures["u_tex1"];
if (glTex)
{
//if (glTex.isAnimated())
glTex.render();
tex = glTex.getTexture();
if (tex)
technique.u_tex1.set( tex );
}
}
}
};
// shader spec (can also be loaded from a .JSON file, or constructed at runtime)
twistVertShaderDef =
{
'shaders': { // shader files
'defaultVShader': "assets/shaders/TwistVert.vert.glsl",
'defaultFShader': "assets/shaders/TwistVert.frag.glsl"
},
'techniques': { // rendering control
'twistMe': [ // simple color pass
{
'vshader': 'defaultVShader',
'fshader': 'defaultFShader',
// attributes
'attributes':
{
'vert': { 'type': 'vec3' },
'normal': { 'type': 'vec3' },
'texcoord': { 'type': 'vec2' }
},
// attributes
'params':
{
'u_tex0': { 'type' : 'tex2d' },
'u_tex1': { 'type' : 'tex2d' },
'u_limit1': { 'type': 'float' },
'u_limit2': { 'type': 'float' },
'u_minVal': { 'type': 'float' },
'u_maxVal': { 'type': 'float' },
'u_center': { 'type': 'float' },
'u_twistAmount': { 'type': 'float' },
'speed': { 'type': 'float' }
}
}
]
}
};
if (typeof exports === "object") {
exports.TwistVertMaterial = TwistVertMaterial;
}
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