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diff --git a/js/helper-classes/backup-delete/Materials/ZInvertMaterial.js b/js/helper-classes/backup-delete/Materials/ZInvertMaterial.js
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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 ZInvertMaterial()
+{
+    // initialize the inherited members
+    this.inheritedFrom = PulseMaterial;
+    this.inheritedFrom();
+   
+    ///////////////////////////////////////////////////////////////////////
+    // Instance variables
+    ///////////////////////////////////////////////////////////////////////
+        this._name = "ZInvertMaterial";
+        this._shaderName = "zinvert";
+
+        this._texMap = 'assets/images/rocky-normal.jpg';
+
+        this._time = 0.0;
+        this._dTime = 0.01;
+
+    ///////////////////////////////////////////////////////////////////////
+    // Properties
+    ///////////////////////////////////////////////////////////////////////
+        // all defined in parent PulseMaterial.js
+        // load the local default value
+        this._propValues[ this._propNames[0] ] = this._texMap.slice(0);
+
+    ///////////////////////////////////////////////////////////////////////
+    // Material Property Accessors
+    ///////////////////////////////////////////////////////////////////////
+
+    ///////////////////////////////////////////////////////////////////////
+
+
+    ///////////////////////////////////////////////////////////////////////
+    // Methods
+    ///////////////////////////////////////////////////////////////////////
+        // duplcate method requirde
+        this.dup = function( world )
+        {
+                // allocate a new uber material
+                var newMat = new ZInvertMaterial();
+
+                // copy over the current values;
+                var propNames = [],  propValues = [],  propTypes = [],  propLabels = [];
+                this.getAllProperties( propNames,  propValues,  propTypes,  propLabels);
+                var n = propNames.length;
+                for (var i=0;  i<n;  i++)
+                        newMat.setProperty( propNames[i], propValues[i] );
+
+                return newMat;
+        } 
+
+        this.init = function( world )
+        {
+                // save the world
+                if (world)  this.setWorld( world );
+
+                // set up the shader
+                this._shader = new jshader();
+                this._shader.def = zInvertMaterialDef;
+                this._shader.init();
+
+                // set up the material node
+                this._materialNode = createMaterialNode("zInvertMaterial");
+                this._materialNode.setShader(this._shader);
+
+                this._time = 0;
+                if (this._shader && this._shader.default)
+                        this._shader.default.u_time.set( [this._time] );
+
+                // set the shader values in the shader
+                this.updateTexture();
+                this.setResolution( [world.getViewportWidth(),world.getViewportHeight()] );
+                this.update( 0 );
+        }
+}
+
+///////////////////////////////////////////////////////////////////////////////////////
+// RDGE shader
+ 
+// shader spec (can also be loaded from a .JSON file, or constructed at runtime)
+var zInvertMaterialDef =
+{'shaders': 
+        {
+                'defaultVShader':"assets/shaders/Basic.vert.glsl",
+                'defaultFShader':"assets/shaders/ZInvert.frag.glsl"
+        },
+        'techniques':
+        { 
+                'default':
+                [
+                        {
+                                'vshader' : 'defaultVShader',
+                                'fshader' : 'defaultFShader',
+                                // attributes
+                                'attributes' :
+                                {
+                                        'vert'  :   { 'type' : 'vec3' },
+                                        'normal' :  { 'type' : 'vec3' },
+                                        'texcoord'  :   { 'type' : 'vec2' }
+                                },
+                                // parameters
+                                'params' : 
+                                {
+                                        'u_tex0': { 'type' : 'tex2d' },
+                                        'u_time' : { 'type' : 'float' },
+                                        'u_resolution'  :   { 'type' : 'vec2' },
+                                },
+
+                                // render states
+                                'states' : 
+                                {
+                                        'depthEnable' : true,
+                                        'offset':[1.0, 0.1]
+                                },
+                        },
+                ]
+        }
+};
+
+
+
+