45 files changed, 133 insertions, 90 deletions

diff --git a/js/helper-classes/3D/Rectangle.js b/js/helper-classes/3D/Rectangle.js
index e797eedf..b8906f18 100755
--- a/js/helper-classes/3D/Rectangle.js
+++ b/js/helper-classes/3D/Rectangle.js
@@ -35,7 +35,7 @@ var Rectangle = exports.Rectangle = Object.create(Object.prototype, {
     getTop: { value: function()        {  return this.m_top;                       } },
     setTop: { value: function(t)       {  this.m_top = t;                          } },
 
-    getCenter: { value: function()        {  return Vector.create( [this.m_left + 0.5*this.m_width,  this.m_top + 0.5*this.m_height] );       } },
+    getCenter: { value: function()        {  return [this.m_left + 0.5*this.m_width,  this.m_top + 0.5*this.m_height];       } },
 
     getWidth: { value: function()        {  return this.m_width;                     } },
     setWidth: { value: function(w)       {  this.m_width = w;                        } },
diff --git a/js/helper-classes/3D/StageLine.js b/js/helper-classes/3D/StageLine.js
index e0e7a8e3..b86673d1 100755
--- a/js/helper-classes/3D/StageLine.js
+++ b/js/helper-classes/3D/StageLine.js
@@ -149,8 +149,8 @@ var StageLine = exports.StageLine = Object.create(Object.prototype, {
                 var vec = vecUtils.vecSubtract(3, bPt1, bPt0);
                 if (plane.isBackFacing())
                     MathUtils.negate( vec );
-                planeEq = Vector.create( [-vec[1], vec[0], 0] );
-                var normal = Vector.create( [planeEq[0], planeEq[1], planeEq[2]] );
+                planeEq = [-vec[1], vec[0], 0];
+                var normal = [planeEq[0], planeEq[1], planeEq[2]];
 //                      var d = -planeEq.dot(bPt0);
                 var d = -vecUtils.vecDot(3, planeEq, bPt0);
                 planeEq[3] = d;
@@ -414,8 +414,8 @@ var StageLine = exports.StageLine = Object.create(Object.prototype, {
             if (pt0[1] < pt1[1])  {  yMin = pt0[1];  yMax = pt1[1];  }  else  {  yMin = pt1[1];  yMax = pt0[1];  }
             if (pt0[2] < pt1[2])  {  zMin = pt0[2];  zMax = pt1[2];  }  else  {  zMin = pt1[2];  zMax = pt0[2];  }
 
-            this._minPt = Vector.create( [xMin, yMin, zMin] );
-            this._maxPt = Vector.create( [xMax, yMax, zMax] );
+            this._minPt = [xMin, yMin, zMin];
+            this._maxPt = [xMax, yMax, zMax];
         }
     }//,
 
diff --git a/js/helper-classes/3D/draw-utils.js b/js/helper-classes/3D/draw-utils.js
index 85870097..63e7799a 100755
--- a/js/helper-classes/3D/draw-utils.js
+++ b/js/helper-classes/3D/draw-utils.js
@@ -112,6 +112,7 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
             this.eventManager.addEventListener("elementDeleted", this, false);
             this.eventManager.addEventListener("deleteSelection", this, false);
             this.eventManager.addEventListener("elementChange", this, false);
+            this.eventManager.addEventListener("closeDocument", this, false);
                 }
         },
 
@@ -123,7 +124,7 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
             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] ) );
+            this.setWorkingPlane( [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){
@@ -135,6 +136,15 @@ var DrawUtils = exports.DrawUtils = Montage.create(Component, {
         }
     },
 
+    handleCloseDocument:{
+        value: function() {
+            if(this.application.ninja.documentController._documents.length === 0){
+                this._eltArray = [];
+                this._planesArray = [];
+            }
+        }
+    },
+
     handleElementAdded: {
         value: function(event) {
             this.addElement(event.detail);
diff --git a/js/helper-classes/3D/element-planes.js b/js/helper-classes/3D/element-planes.js
index 7ccf311e..38a7bf47 100755
--- a/js/helper-classes/3D/element-planes.js
+++ b/js/helper-classes/3D/element-planes.js
@@ -88,7 +88,7 @@ var ElementPlanes = exports.ElementPlanes = Object.create(Object.prototype, {
                 // create the plane equation
                 //var d = -( nrm.dot( this._boundaryPts[0]) );
                 var d = -vecUtils.vecDot(3, nrm, this._boundaryPts[0]);
-                var planeEq = Vector.create( [nrm[0], nrm[1], nrm[2], d] );
+                var planeEq = [nrm[0], nrm[1], nrm[2], d] ;
                 this.setPlaneEq( planeEq );
 
                 // get the 2D rectangle
diff --git a/js/helper-classes/3D/math-utils.js b/js/helper-classes/3D/math-utils.js
index 37044763..562a6e73 100755
--- a/js/helper-classes/3D/math-utils.js
+++ b/js/helper-classes/3D/math-utils.js
@@ -86,7 +86,7 @@ var MathUtilsClass = exports.MathUtilsClass = Object.create(Object.prototype, {
             if (b.length < n)  n = b.length;
             if (n > 0)
             {
-                rtnVec = Vector.create([0]);
+                rtnVec = [0];
                 for (var i=0;  i<n;  i++)
                     rtnVec[i] = a[i] - b[i];
             }
@@ -103,7 +103,7 @@ var MathUtilsClass = exports.MathUtilsClass = Object.create(Object.prototype, {
             if (b.length < n)  n = b.length;
             if (n > 0)
             {
-                rtnVec = Vector.create([0]);
+                rtnVec = [0];
                 for (var i=0;  i<n;  i++)
                     rtnVec[i] = a[i] + b[i];
             }
@@ -145,9 +145,7 @@ var MathUtilsClass = exports.MathUtilsClass = Object.create(Object.prototype, {
             {
                 var     x0 = pt0[0],  y0 = pt0[1],  z0 = pt0[2];