2 files changed, 93 insertions, 107 deletions

diff --git a/js/lib/drawing/world.js b/js/lib/drawing/world.js
index ae8c2cce..657c849f 100755
--- a/js/lib/drawing/world.js
+++ b/js/lib/drawing/world.js
@@ -33,7 +33,7 @@ var World = function GLWorld( canvas, use3D, preserveDrawingBuffer ) {
         if(preserveDrawingBuffer) {
             this._glContext = canvas.getContext("experimental-webgl", {preserveDrawingBuffer: true});
         } else {
-                this._glContext = canvas.getContext("experimental-webgl");
+                    this._glContext = canvas.getContext("experimental-webgl");
         }
     } else {
                 this._2DContext = canvas.getContext( "2d" );
@@ -364,7 +364,7 @@ var World = function GLWorld( canvas, use3D, preserveDrawingBuffer ) {
     // in the case of a procedurally built scene an init state is not needed for loading data
         if (this._useWebGL) {
                 rdgeStarted = true;
-                this._canvas.rdgeid = this._canvas.getAttribute( "data-RDGE-id" );
+                this._canvas.rdgeid = this._canvas.getAttribute( "data-RDGE-id" );
                 RDGE.globals.engine.unregisterCanvas( this._canvas );
                 RDGE.globals.engine.registerCanvas(this._canvas, this);
                 RDGE.RDGEStart( this._canvas );
@@ -435,36 +435,36 @@ World.prototype.updateObject = function (obj) {
     }
 };
 
-World.prototype.addObject = function (obj) {
-    if (!obj) return;
+World.prototype.addObject = function( obj ) {
+    if (!obj)  return;
 
     try {
         // undefine all the links of the object
-        obj.setChild(undefined);
-        obj.setNext(undefined);
-        obj.setPrev(undefined);
-        obj.setParent(undefined);
+        obj.setChild( undefined );
+        obj.setNext( undefined );
+        obj.setPrev( undefined );
+        obj.setParent( undefined );
 
-        obj.setWorld(this);
+        obj.setWorld( this );
 
         if (this._geomRoot == null) {
             this._geomRoot = obj;
         } else {
             var go = this._geomRoot;
-            while (go.getNext()) go = go.getNext();
-            go.setNext(obj);
-            obj.setPrev(go);
+            while (go.getNext())  go = go.getNext();
+            go.setNext( obj );
+            obj.setPrev( go );
         }
 
-        // build the WebGL buffers
-        if (this._useWebGL) {
-            obj.buildBuffers();
-            this.restartRenderLoop();
-        }
+                // build the WebGL buffers
+                if (this._useWebGL) {
+                        obj.buildBuffers();
+                        this.restartRenderLoop();
+                }
     }
 
-    catch (e) {
-        alert("Exception in GLWorld.addObject " + e);
+    catch(e) {
+        alert( "Exception in GLWorld.addObject " + e );
     }
 };
 
@@ -527,7 +527,7 @@ World.prototype.clearTree = function() {
         if (this._useWebGL) {
                 var root = this._rootNode;
                 root.children = new Array();
-                RDGE.globals.engine.unregisterCanvas( this._canvas.rdgeid )
+                RDGE.globals.engine.unregisterCanvas( this._canvas.rdgeid );
 
                 this.update( 0 );
                 this.draw();
@@ -540,9 +540,10 @@ World.prototype.updateMaterials = function( obj, time ) {
         var matArray = obj.getMaterialArray();
         if (matArray) {
                 var n = matArray.length;
-                for (var i=0;  i<n;  i++)
+                for (var i=0;  i<n;  i++) {
                         matArray[i].update( time );
         }
+        }
 
         this.updateMaterials( obj.getNext(),  time );
         this.updateMaterials( obj.getChild(), time );
@@ -553,9 +554,8 @@ World.prototype.getNDCOrigin = function() {
   var pt = MathUtils.transformPoint( [0,0,0], this.getCameraMatInverse() );
   var projMat = Matrix.makePerspective( this.getFOV(), this.getAspect(), this.getZNear(), this.getZFar());
   var ndcPt = MathUtils.transformHomogeneousPoint( pt, projMat );
-  var ndcOrigin = MathUtils.applyHomogeneousCoordinate( ndcPt );
 
-  return ndcOrigin;
+  return  MathUtils.applyHomogeneousCoordinate( ndcPt );
 };
 
 World.prototype.worldToScreen = function(v) {
@@ -570,9 +570,8 @@ World.prototype.worldToScreen = function(v) {
         var x = v2[0],  y = v2[1],  z = v2[2];
 
         var h = this.getGLContext().viewportHeight/2.0, w = this.getGLContext().viewportWidth/2.0;
-        var x2 = w*(1 + x),  y2 = h*( 1 - y ),  z2 = z;
-
-        return [x2, y2, z2, 1];
+    var x2 = w * (1 + x), y2 = h * ( 1 - y );
+    return [x2, y2, z, 1];
 };
 
 World.prototype.screenToView = function( x, y ) {
@@ -735,74 +734,74 @@ World.prototype.getShapeFromPoint = function( offsetX, offsetY ) {
 
 
 World.prototype.exportJSON = function () {
-    // world properties
-    var worldObj =
+        // world properties
+        var worldObj = 
         {
-            'version': 1.1,
-            'id': this.getCanvas().getAttribute("data-RDGE-id"),
-            'fov': this._fov,
-            'zNear': this._zNear,
-            'zFar': this._zFar,
-            'viewDist': this._viewDist,
-            'webGL': this._useWebGL
+                'version'       : 1.1,
+                'id'            : this.getCanvas().getAttribute( "data-RDGE-id" ),
+                'fov'           : this._fov,
+                'zNear'         : this._zNear,
+                'zFar'          : this._zFar,
+                'viewDist'      : this._viewDist,
+                'webGL'         : this._useWebGL
         };
 
-    // RDGE scenegraph
-    if (this._useWebGL)
-        worldObj.scenedata = this.myScene.exportJSON();
+        // RDGE scenegraph
+        if (this._useWebGL)
+                worldObj.scenedata = this.myScene.exportJSON();
 
-    // object data
-    var strArray = [];
-    this.exportObjectsJSON(this._geomRoot, worldObj);
+        // object data
+        var strArray = [];
+        this.exportObjectsJSON( this._geomRoot, worldObj );
 
-    // You would think that the RDGE export function
-    // would not be destructive of the data.  You would be wrong...
-    // We need to rebuild everything
+        // You would think that the RDGE export function
+        // would not be destructive of the data.  You would be wrong...
+        // We need to rebuild everything
     if (this._useWebGL) {
         if (worldObj.children && (worldObj.children.length === 1)) {
             this.rebuildTree(this._geomRoot);
             this.restartRenderLoop();
-        }
-    }
-
-    // convert the object to a string
-    var jStr = JSON.stringify(worldObj);
+                }
+        }
 
-    // prepend some version information to the string.
-    // this string is also used to differentiate between JSON
-    // and pre-JSON versions of fileIO.
-    // the ending ';' in the version string is necessary
-    jStr = "v1.0;" + jStr;
+        // convert the object to a string
+        var jStr = JSON.stringify( worldObj );
 
-    return jStr;
+        // prepend some version information to the string.
+        // this string is also used to differentiate between JSON
+        // and pre-JSON versions of fileIO.
+        // the ending ';' in the version string is necessary
+        jStr = "v1.0;" + jStr;
+        
+        return jStr;
 };
 
 World.prototype.rebuildTree = function (obj) {
-    if (!obj) return;
+        if (!obj)  return;
 
-    obj.buildBuffers();
+        obj.buildBuffers();
 
-    if (obj.getChild()) {
-        this.rebuildTree(obj.getChild());
+        if (obj.getChild()) {
+                 this.rebuildTree( obj.getChild () );
     }
 
-    if (obj.getNext())
-        this.rebuildTree(obj.getNext());
+        if (obj.getNext())
+                this.rebuildTree( obj.getNext() );
 };
 
 World.prototype.exportObjectsJSON = function (obj, parentObj) {
-    if (!obj) return;
+        if (!obj)  return;
 
-    var jObj = obj.exportJSON();
-    if (!parentObj.children) parentObj.children = [];
-    parentObj.children.push(jObj);
+        var jObj = obj.exportJSON();
+        if (!parentObj.children)  parentObj.children = [];
+        parentObj.children.push( jObj );
 
-    if (obj.getChild()) {
+