3D translation fixes

1 files changed, 93 insertions, 22 deletions

diff --git a/js/tools/Translate3DToolBase.js b/js/tools/Translate3DToolBase.js
index a39dafad..41dbb3ae 100755
--- a/js/tools/Translate3DToolBase.js
+++ b/js/tools/Translate3DToolBase.js
@@ -296,42 +296,113 @@ exports.Translate3DToolBase = Montage.create(ModifierToolBase,
                                         viewUtils.popViewportObj();
                                         ctr[2] = 0;
 
-//                                      var ctrOffset = item.elementModel.props3D.m_transformCtr;
-//                                      if(ctrOffset)
-//                                      {
-//                                              ctr = vecUtils.vecAdd(3, ctr, ctrOffset);
-//                                      }
-
                                         this._origin = viewUtils.localToGlobal(ctr, item);
                                 }
                                 else
                                 {
-                                        if(this._origin)
+                                        this._origin = undefined;
+                                        this._origin = this.calculateMultiSelOrigin();
+                                }
+                        }
+                }
+        },
+
+    captureSelectionDrawn: {
+        value: function(event){
+            this._origin = null;
+            this._targets = [];
+            this._startOriginArray = null;
+
+            var len = this.application.ninja.selectedElements.length;
+            if(len)
+            {
+                if(len === 1)
+                {
+                    this.target = this.application.ninja.selectedElements[0];
+                    drawUtils.addElement(this.target);
+
+                    viewUtils.pushViewportObj( this.target );
+                    var eltCtr = viewUtils.getCenterOfProjection();
+                                        eltCtr[2] = 0;
+                    viewUtils.popViewportObj();
+
+                    var ctrOffset = this.target.elementModel.props3D.m_transformCtr;
+                    if(ctrOffset)
+                    {
+                        eltCtr[2] = 0;
+                        eltCtr = vecUtils.vecAdd(3, eltCtr, ctrOffset);
+                    }
+                    
+                    this._origin = viewUtils.localToGlobal(eltCtr, this.target);
+                                        console.log( "Rotate3DToolBase.captureSelectionDrawn _origin: " + this._origin );
+                    this._updateTargets();
+                    //this._setTransformOrigin(false);
+                }
+                else
+                {
+                    this.target = this.application.ninja.currentDocument.documentRoot;
+                    //this._origin = drawUtils._selectionCtr.slice(0);
+                    //this._origin[0] += this.application.ninja.stage.userContentLeft;
+                    //this._origin[1] += this.application.ninja.stage.userContentTop;
+                    this._updateTargets();
+                                        this._origin = this.calculateMultiSelOrigin();
+                                        //this._setTransformOrigin(true);
+                }
+            }
+            else
+            {
+                this.target = null;
+            }
+            this.DrawHandles();
+
+            if(event)
+            {
+                this.eventManager.removeEventListener("selectionDrawn", this, true);
+            }
+        }
+    },
+        
+        calculateMultiSelOrigin: 
+        {
+                value: function()
+                {
+                        var minPt,  maxPt, i,j;
+                        this._startOriginArray = [];
+                        var len = this.application.ninja.selectedElements.length;
+                        for (i = 0; i < len; i++)
+                        {
+                                // get the next element and localToGlobal matrix
+                                elt = this._targets[i].elt;
+                                var l2g = this._targets[i].l2g;
+
+                                // get the element bounds in 'plane' space
+                                bounds = viewUtils.getElementViewBounds3D( elt );
+                                for (j=0;  j<4;  j++)
+                                {
+                                        var localPt = bounds[j];
+                                        //var pt = MathUtils.transformAndDivideHomogeneousPoint( localPt, l2g );
+                                        var pt = viewUtils.localToStageWorld( localPt, elt );
+                                        if (!minPt)
                                         {
-                                                if(this._delta)
-                                                {
-                                                        if(this._handleMode !== null)
-                                                        {
-//                                this._origin[this._handleMode] = this._delta;
-                                                        }
-                                                        else
-                                                        {
-                                                                this._origin[0] += this._delta[0];
-                                                                this._origin[1] += this._delta[1];
-                                                        }
-                                                }
+                                                minPt = pt.slice();
+                                                maxPt = pt.slice();
                                         }
                                         else
                                         {
-                                                this._origin = drawUtils._selectionCtr.slice(0);
-                                                this._origin[0] += this.application.ninja.stage.userContentLeft;
-                                                this._origin[1] += this.application.ninja.stage.userContentTop;
+                                                minPt[0] = Math.min(minPt[0],pt[0]);  minPt[1] = Math.min(minPt[1],pt[1]);  minPt[2] = Math.min(minPt[2],pt[2]);
+                                                maxPt[0] = Math.max(maxPt[0],pt[0]);  maxPt[1] = Math.max(maxPt[1],pt[1]);  maxPt[2] = Math.max(maxPt[2],pt[2]);
                                         }
                                 }
                         }
+                        var stageWorldCtr = [ 0.5*(minPt[0] + maxPt[0]),  0.5*(minPt[1] + maxPt[1]), 0.5*(minPt[2] + maxPt[2]) ];
+                        var globalCtr = MathUtils.transformAndDivideHomogeneousPoint( stageWorldCtr, viewUtils.getStageWorldToGlobalMatrix() );
+                        console.log( "resetting _origin to: " + this._origin );
+
+                        return globalCtr;
                 }
         },
 
+
         DrawHandles: {
                 value: function (delta) {
                         this.application.ninja.stage.clearDrawingCanvas();