1 files changed, 834 insertions, 0 deletions

diff --git a/js/helper-classes/RDGE/GLWorld.js b/js/helper-classes/RDGE/GLWorld.js
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+++ b/js/helper-classes/RDGE/GLWorld.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> */
+
+// globals
+var shaderProgramArray = new Array;
+var glContextArray = new Array;
+
+var vertexShaderSource = "";
+var fragmentShaderSource = "";
+
+var rdgeStarted = false;
+
+var nodeCounter = 0;
+
+
+///////////////////////////////////////////////////////////////////////
+// Class GLWorld
+//      Manages display in a canvas
+///////////////////////////////////////////////////////////////////////
+function GLWorld( canvas, use3D )
+{
+    ///////////////////////////////////////////////////////////////////////
+    // Instance variables
+    ///////////////////////////////////////////////////////////////////////
+
+        // flag to do the drawing with WebGL
+    this._useWebGL = false;
+    if(use3D)
+        this._useWebGL = use3D;
+
+    this._canvas = canvas;
+        if (this._useWebGL)
+                this._glContext = canvas.getContext("experimental-webgl");
+        else
+                this._2DContext = canvas.getContext( "2d" );
+    
+        this._viewportWidth = canvas.width;
+    this._viewportHeight = canvas.height;
+
+        // view parameters
+        this._fov = 45.0;
+        this._zNear = 0.1;
+        this._zFar = 100.0;
+        this._viewDist = 5.0;
+
+        // default light parameters
+        this._ambientLightColor  = [0.1, 0.1, 0.1,  1.0];
+        this._diffuseLightColor  = [0.1, 0.1, 0.1,  1.0];
+        this._specularLightColor = [0.6, 0.6, 0.6,  1.0];
+        this._pointLightLoc = [0.0, 0.0, 0.05];
+
+        // default material properties.  Material properties should be overridden
+        // by the materials used by the objects
+        this._materialShininess = 20.0;
+
+    this._geomRoot = undefined;
+
+        this._cameraMat = Matrix.I(4);
+        this._cameraMat[14] = 5.0;
+        this._cameraMatInv = Matrix.I(4);
+        this._cameraMatInv[14] = -5.0;
+
+        this._camera;
+
+    ///////////////////////////////////////////////////////////////////////
+    // Property accessors
+    ///////////////////////////////////////////////////////////////////////
+    this.getGLContext           = function()            {  return this._glContext;                      }
+    this.setGLContext           = function(gl)          {  this._glContext = gl;                        }
+
+    this.get2DContext           = function()            {  return this._2DContext;                      }
+    this.set2DContext           = function(c)           {  this._2DContext = c;                         }
+
+    this.getCanvas                      = function()            {  return this._canvas;                         }
+    this.setCanvas                      = function(c)           {  this._canvas = c;                            }
+
+    this.getShaderProgram       = function()            {  return this._shaderProgram;          }
+
+        this.getViewportWidth   = function()            {  return this._viewportWidth;          }
+        this.getViewportHeight  = function()            {  return this._viewportHeight;         }
+
+        this.getAspect                  = function()            {  return this._viewportWidth/this._viewportHeight;  }
+
+        this.getGeomRoot                        = function()            {  return this._geomRoot;                       }
+        this.getZNear                           = function()            {  return this._zNear;                          }
+        this.getZFar                            = function()            {  return this._zFar;                           }
+        this.getFOV                                     = function()            {  return this._fov;                            }
+
+        this.getCamera                          = function()            {  return this._camera;                         }
+
+        this.getCameraMat                       = function()            {  return this._cameraMat.slice(0);     }
+        this.setCameraMat                       = function(c)           {  this._cameraMat = c.slice(0);  this._cameraMatInv = glmat4.inverse(c, []);  }
+
+        this.getCameraMatInverse  = function()          {  return this._cameraMatInv.slice(0); }
+
+        this.getViewDistance            = function()            {  return this._viewDist;                       }
+
+        this.getRootNode                        = function()            {  return this._rootNode;                       }
+        this.setRootNode                        = function(r)           {  this._rootNode = r;                          }
+
+        this.isWebGL                            = function()            {  return this._useWebGL;                       }
+
+  ////////////////////////////////////////////////////////////////////////////////////
+  // RDGE
+  // local variables
+    this.myScene = null;
+    this.elapsed = 0;
+    this.light = null;
+    this.light2 = null;
+    this.fillShader = null;
+    this.strokeShader = null;
+    this.renderer = null;
+
+        // this is the node to which objects get hung
+        this._rootNode;
+
+        // set up the camera matrix
+        var camMat = Matrix.I(4);
+        camMat[14] = this.getViewDistance();
+        this.setCameraMat( camMat );
+
+        //////////////////////////////////////////
+        // test call to SVG importer
+//      console.log( "***** SVG TEST *****" );
+//      var svgImporter = new SVGParse( this );
+//      svgImporter.importSVG();
+        //////////////////////////////////////////
+    
+    // post-load processing of the scene
+    this.init = function()
+    { 
+                var ctx1 = g_Engine.ctxMan.handleToObject(this._canvas.rdgeCtxHandle),
+                        ctx2 = g_Engine.getContext();
+                if (ctx1 != ctx2)  console.log( "***** different contexts *****" );
+                this.renderer = ctx1.renderer;
+      
+                // create a camera, set its perspective, and then point it at the origin
+                var cam = new camera();
+                this._camera = cam;
+                cam.setPerspective(this.getFOV(), this.getAspect(), this.getZNear(), this.getZFar());
+                cam.setLookAt([0, 0, this.getViewDistance()], [0, 0, 0], vec3.up());
+        
+                // make this camera the active camera
+                this.renderer.cameraManager().setActiveCamera(cam);
+
+                // change clear color
+                this.renderer.setClearFlags(g_Engine.getContext().DEPTH_BUFFER_BIT);
+                this.renderer.setClearColor([1.0, 1.0, 1.0, 0.0]);
+                //this.renderer.NinjaWorld = this;
+        
+                // create an empty scene graph
+                this.myScene = new SceneGraph();
+        
+                // create some lights
+                // light 1
+                this.light = createLightNode("myLight");
+                this.light.setPosition([0,0,1.2]);
+                this.light.setDiffuseColor([0.75,0.9,1.0,1.0]);
+        
+                // light 2
+                this.light2 = createLightNode("myLight2");
+                this.light2.setPosition([-0.5,0,1.2]);
+                this.light2.setDiffuseColor([1.0,0.9,0.75,1.0]);
+        
+                // create a light transform
+                var lightTr = createTransformNode("lightTr");
+        
+                // create and attach a material - materials hold the light data
+                lightTr.attachMaterial(createMaterialNode("lights"));
+        
+                // enable light channels 1, 2 - channel 0 is used by the default shader
+                lightTr.materialNode.enableLightChannel(1, this.light);
+                lightTr.materialNode.enableLightChannel(2, this.light2);
+     
+                // all added objects are parented to the light node
+                this._rootNode = lightTr;
+        
+                // add the light node to the scene
+                this.myScene.addNode(lightTr);
+        
+                // Add the scene to the engine - necessary if you want the engine to draw for you
+                g_Engine.AddScene("myScene" + this._canvas.id, this.myScene);
+        }
+    
+        // main code for handling user interaction and updating the scene   
+        this.update = function(dt)
+    {
+                if (!dt)  dt = 0.2;
+        
+                this.elapsed += dt;
+        
+                if (this._useWebGL)
+                {
+                        // changed the global position uniform of light 0, another way to change behavior of a light
+                        rdgeGlobalParameters.u_light0Pos.set( [5*Math.cos(this.elapsed), 5*Math.sin(this.elapsed), 20]);
+        
+                        // orbit the light nodes around the boxes
+                        this.light.setPosition([1.2*Math.cos(this.elapsed*2.0), 1.2*Math.sin(this.elapsed*2.0), 1.2*Math.cos(this.elapsed*2.0)]);
+                        this.light2.setPosition([-1.2*Math.cos(this.elapsed*2.0), 1.2*Math.sin(this.elapsed*2.0), -1.2*Math.cos(this.elapsed)]);
+                }
+        
+                this.updateMaterials( this.getGeomRoot(), this.elapsed );
+
+                // now update all the nodes in the scene
+                if (this._useWebGL)
+                        this.myScene.update(dt);
+    }
+
+    // defining the draw function to control how the scene is rendered      
+    this.draw = function()
+    {
+                if (this._useWebGL)
+                {
+                        var ctx = g_Engine.getContext();
+                        //console.log( "RDGE state: " + ctx.ctxStateManager.currentState().name);
+
+                        var renderer = ctx.renderer;
+                        renderer.disableCulling();
+                        this.myScene.render();
+                }
+                else
+                {
+                        this.render();
+                }
+    }
+
+