1 files changed, 67 insertions, 33 deletions

diff --git a/js/helper-classes/3D/view-utils.js b/js/helper-classes/3D/view-utils.js
index 1cd1c313..40a19b90 100755
--- a/js/helper-classes/3D/view-utils.js
+++ b/js/helper-classes/3D/view-utils.js
@@ -135,6 +135,12 @@ exports.ViewUtils = Montage.create(Component, {
             var stageMat = this.getMatrixFromElement(stage);
             var stagePlane = [stageMat[8],  stageMat[9],  stageMat[10],  stageMat[11]];
 
+                        if (elt === stage)
+                        {
+                                xVec = [1,0,0];
+                                yVec = [0,1,0];
+                        }
+
             var xDot = Math.abs(vecUtils.vecDot(3, xVec, stagePlane));
             var yDot = Math.abs(vecUtils.vecDot(3, yVec, stagePlane));
 
@@ -240,7 +246,6 @@ exports.ViewUtils = Montage.create(Component, {
             var worldPt = MathUtils.transformPoint( viewPt, mat );
             var stageWorldPt = this.postViewToStageWorld( worldPt, elt );
             this.popViewportObj();
-
             return stageWorldPt;
         }
     },
@@ -834,43 +839,22 @@ exports.ViewUtils = Montage.create(Component, {
         }
     },
 
-    getStageWorldToGlobalMatrix: {
-        value: function() {
-            var stage = this.application.ninja.currentDocument.documentRoot,
-                projMat;
-            this.pushViewportObj( stage );
-
-            // get the matrix to the parent
-            var mat = Matrix.I(4);
+    getStageWorldToGlobalMatrix:
+    {
+        value: function()
+        {
+            var stage = this.application.ninja.currentDocument.documentRoot;
 
+            this.pushViewportObj( stage );
+            // put the point into screen space of the stage - requires
+            // a translation to the top/left only
             var cop = this.getCenterOfProjection();
             var v2s = Matrix.Translation([cop[0], cop[1], 0]);
-
-            var p = this.getPerspectiveDistFromElement(stage);
-            if(p)
-            {
-                projMat = glmat4.scale( Matrix.I(4), [p,p,p], [] );
-                projMat[11] = -1;
-                mat = glmat4.multiply( v2s, projMat, [] );
-            }
-            else
-            {
-                mat = v2s;
-            }
-
-            // offset to the parent
-            var offset = this.getElementOffset( stage );
-            var offMat = Matrix.Translation([offset[0], offset[1], 0]);
-            //mat = offMat.multiply( mat );
-            glmat4.multiply( offMat, mat, mat );
-
             this.popViewportObj();
 
-    //        var mat2 = this.getLocalToGlobalMatrix( stage.parentElement );
-            var mat2 = this.getLocalToGlobalMatrix( this._rootElement );
-            //var mat = mat2.multiply( mat );
-            glmat4.multiply( mat2, mat, mat );
-
+            // append the localToGlobal matrix of the stage.
+            var mat = this.getLocalToGlobalMatrix( stage );
+            glmat4.multiply( mat, v2s );
             return mat;
         }
     },
@@ -1049,6 +1033,56 @@ exports.ViewUtils = Montage.create(Component, {
         }
     },
 
+    getLocalToStageWorldMatrix: {
+        value: function( elt, shouldProject, shouldLocalTransform ) {
+            var mat = Matrix.I(4);
+            while (elt)
+            {
+                this.pushViewportObj( elt );
+                    var cop = this.getCenterOfProjection();
+                    var s2v = Matrix.Translation([-cop[0], -cop[1], 0]);
+                    var objMat = this.getMatrixFromElement( elt );
+                    var projMat;
+                    if(shouldProject)
+                    {
+                        //projMat = Matrix.I(4).multiply( this.getPerspectiveDistFromElement(elt) );
+                        var pDist = this.getPerspectiveDistFromElement(elt);
+                        var projMat = glmat4.scale(Matrix.I(4), [pDist,pDist,pDist], []);
+                        projMat[11] = -1;
+                        projMat[15] = 1400;
+                    }
+                    var v2s = Matrix.Translation([cop[0], cop[1], 0]);
+                this.popViewportObj();
+
+                // multiply all the matrices together
+                //mat = s2v.multiply( mat );
+                glmat4.multiply( s2v, mat, mat );
+                if (elt === this._stageElement)  break;
+                //mat = objMat.multiply( mat );
+                if (shouldLocalTransform) {
+                    glmat4.multiply( objMat, mat, mat );
+                }
+                if(shouldProject)
+                {
+                    //mat = projMat.multiply( mat );
+                    glmat4.multiply( projMat, mat, mat );
+                }
+                //mat = v2s.multiply( mat );
+                glmat4.multiply( v2s, mat, mat );
+
+                // offset to the parent
+                var offset = this.getElementOffset( elt );
+                var offMat = Matrix.Translation([offset[0], offset[1], 0]);
+                //mat = offMat.multiply( mat );
+                glmat4.multiply( offMat, mat, mat );
+
+                elt = elt.parentElement;
+            }
+
+            return mat;
+        }
+    },
+
     getUpVectorFromMatrix: {
         value: function( mat )    {
             //var inv = mat.inverse();