15 files changed, 711 insertions, 218 deletions

diff --git a/js/helper-classes/3D/draw-utils.js b/js/helper-classes/3D/draw-utils.js
index c07391db..85870097 100755
--- a/js/helper-classes/3D/draw-utils.js
+++ b/js/helper-classes/3D/draw-utils.js
@@ -115,6 +115,26 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
                 }
         },
 
+    initializeFromDocument:{
+        value:function(){
+            var documentRootChildren = null, i;
+            //initialize with current document
+            this._eltArray = [];
+            this._planesArray = [];
+            this.setDrawingSurfaceElement(this.application.ninja.stage.canvas);
+            this.setSourceSpaceElement( this.application.ninja.stage.stageDeps.currentStage );
+            this.setWorkingPlane( Vector.create( [0,0,1,0] ) );
+
+            //Loop through all the top-level children of the current document and call drawUtils.addElement on them
+            if(this.application.ninja.currentDocument._liveNodeList.length > 0){
+                documentRootChildren = this.application.ninja.currentDocument._liveNodeList;
+                for(i=0;i<documentRootChildren.length;i++){
+                    this.addElement(documentRootChildren[i]);
+                }
+            }
+        }
+    },
+
     handleElementAdded: {
         value: function(event) {
             this.addElement(event.detail);
diff --git a/js/helper-classes/3D/snap-manager.js b/js/helper-classes/3D/snap-manager.js
index ada6960b..372be345 100755
--- a/js/helper-classes/3D/snap-manager.js
+++ b/js/helper-classes/3D/snap-manager.js
@@ -521,7 +521,7 @@ var SnapManager = exports.SnapManager = Montage.create(Component, {
 
                                                 if (!elt.elementModel)
                                                 {
-                            NJUtils.makeElementModel2(elt);
+                            NJUtils.makeModelFromElement(elt);
                                                 }
                                                 elt.elementModel.isIn2DSnapCache = true;
                                         }
@@ -588,7 +588,7 @@ var SnapManager = exports.SnapManager = Montage.create(Component, {
 
                                         if (!elt.elementModel)
                                         {
-                                                NJUtils.makeElementModel2(elt);
+                                                NJUtils.makeModelFromElement(elt);
                                         }
                                         elt.elementModel.isIn2DSnapCache = true;
                                 }
@@ -597,7 +597,8 @@ var SnapManager = exports.SnapManager = Montage.create(Component, {
                         }
 
             // TODO - Don't traverse components' children
-            if(elt.elementModel && elt.elementModel.isComponent)
+//            if(elt.elementModel && elt.elementModel.isComponent)
+            if(elt.nodeName.toLowerCase() === "svg" || (elt.elementModel && (elt.elementModel.isComponent || (elt.elementModel.selection === "SVG"))))
             {
                 return;
             }
@@ -1007,7 +1008,8 @@ var SnapManager = exports.SnapManager = Montage.create(Component, {
                         }
 
             // TODO - Don't traverse components' children
-            if(elt.elementModel && elt.elementModel.isComponent)
+//            if(elt.elementModel && elt.elementModel.isComponent)
+            if(elt.nodeName.toLowerCase() === "svg" || (elt.elementModel && (elt.elementModel.isComponent || (elt.elementModel.selection === "SVG"))))
             {
                 return;
             }
diff --git a/js/helper-classes/3D/view-utils.js b/js/helper-classes/3D/view-utils.js
index a2fac34f..c1f59397 100755
--- a/js/helper-classes/3D/view-utils.js
+++ b/js/helper-classes/3D/view-utils.js
@@ -580,7 +580,8 @@ exports.ViewUtils = Montage.create(Component, {
                 if (elt.style.height)   h  = MathUtils.styleToNumber(elt.style.height);
             }
 
-            if (elt instanceof SVGSVGElement) {
+//            if (elt instanceof SVGSVGElement) {
+            if(elt.nodeName.toLowerCase() === "svg") {
                         if(w instanceof SVGAnimatedLength)
                             w = w.animVal.value;
                         if(h instanceof SVGAnimatedLength)
@@ -1226,6 +1227,14 @@ exports.ViewUtils = Montage.create(Component, {
             }
     },
 
+        getCurrentDocument:
+        {
+                value: function()
+                {
+                        return snapManagerModule.SnapManager.application.ninja.currentDocument;
+                }
+        },
+
         setStageZoom: {
         value:function( globalPt,  zoomFactor ) {
             var localPt;
diff --git a/js/helper-classes/RDGE/GLAnchorPoint.js b/js/helper-classes/RDGE/GLAnchorPoint.js
index 716f59d4..c3e95b34 100755
--- a/js/helper-classes/RDGE/GLAnchorPoint.js
+++ b/js/helper-classes/RDGE/GLAnchorPoint.js
@@ -133,6 +133,13 @@ GLAnchorPoint.prototype.translateAll = function (x, y, z) {
 }
 
 
+GLAnchorPoint.prototype.scaleAll = function(sx,sy,sz){
+    this._x *= sx;this._prevX *= sx;this._nextX *= sx;
+    this._y *= sy;this._prevY *= sy;this._nextY *= sy;
+    this._z *= sz;this._prevZ *= sz;this._nextZ *= sz;
+}
+
+
 // ********* getters **********
 GLAnchorPoint.prototype.getPosX = function () { return this._x; }
 GLAnchorPoint.prototype.getPosY = function () { return this._y; }
diff --git a/js/helper-classes/RDGE/GLBrushStroke.js b/js/helper-classes/RDGE/GLBrushStroke.js
index fdf1595c..5d773c2d 100755
--- a/js/helper-classes/RDGE/GLBrushStroke.js
+++ b/js/helper-classes/RDGE/GLBrushStroke.js
@@ -34,6 +34,13 @@ function GLBrushStroke() {
     this._strokeMaterial;
     this._strokeStyle = "Solid";
 
+    //the wetness of the brush (currently this is multiplied to the square of the stroke width, but todo should be changed to not depend on stroke width entirely
+    //smaller value means more samples for the path
+    this._WETNESS_FACTOR = 0.25;
+
+    //prevent extremely long paths that can take a long time to render
+    this._MAX_ALLOWED_SAMPLES = 500;
+
     //drawing context
     this._world = null;
 
@@ -67,7 +74,25 @@ function GLBrushStroke() {
 
     this.getNumPoints = function () { return this._Points.length; }
     this.getPoint = function (index) { return this._Points[index]; }
-    this.addPoint = function (anchorPt) { this._Points.push(anchorPt); this._dirty=true; }
+    this.addPoint = function (pt)
+    {
+        //add the point only if it is some epsilon away from the previous point
+        var numPoints = this._Points.length;
+        if (numPoints>0) {
+            var threshold = this._WETNESS_FACTOR*this._strokeWidth;
+            var prevPt = this._Points[numPoints-1];
+            var diffPt = [prevPt[0]-pt[0], prevPt[1]-pt[1]];
+            var diffPtMag = Math.sqrt(diffPt[0]*diffPt[0] + diffPt[1]*diffPt[1]);
+            if (diffPtMag>threshold){
+                this._Points.push(pt);
+                this._dirty=true;
+            }
+        }else{
+            this._Points.push(pt);
+            this._dirty=true;
+        }
+    }
+    
     this.insertPoint = function(pt, index){ this._Points.splice(index, 0, pt); this._dirty=true;}
     this.isDirty = function(){return this._dirty;}
     this.makeDirty = function(){this._dirty=true;}
@@ -111,10 +136,45 @@ function GLBrushStroke() {
 
     this.computeMetaGeometry = function(){
         if (this._dirty){
+            var numPoints = this._Points.length;
+
+            //**** add samples to the path if needed...linear interpolation for now
+            if (numPoints>1) {
+                var threshold = this._WETNESS_FACTOR*this._strokeWidth;
+                var prevPt = this._Points[0];
+                var prevIndex = 0;
+                for (var i=1;i<numPoints;i++){
+                    var pt = this._Points[i];
+                    var diff = [pt[0]-prevPt[0], pt[1]-prevPt[1]];
+                    var distance = Math.sqrt(diff[0]*diff[0]+diff[1]*diff[1]);
+                    if (distance>threshold){
+                        //insert points along the prev. to current point
+                        var numNewPoints = Math.floor(distance/threshold);