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authorPushkar Joshi2012-04-18 11:29:39 -0700
committerPushkar Joshi2012-04-18 11:29:39 -0700
commit890d84a1078fae1f21a56e8be3ed181650afe9e1 (patch)
tree7d99b8930148f82b5dc82a631a38bcb17707887b /js
parent38ae1158abe94f917dbf375e73e1a9f0f68a61e8 (diff)
downloadninja-890d84a1078fae1f21a56e8be3ed181650afe9e1.tar.gz
compute the translation to new center of bounding of the subpath --- this preserves the correct transformation applied to the subpath. This is a good snapshot of the polyline drawing in 3D (with some minor bugs).
Diffstat (limited to 'js')
-rwxr-xr-xjs/tools/PenTool.js30
1 files changed, 28 insertions, 2 deletions
diff --git a/js/tools/PenTool.js b/js/tools/PenTool.js
index 0e3bd15c..ec63771a 100755
--- a/js/tools/PenTool.js
+++ b/js/tools/PenTool.js
@@ -71,6 +71,10 @@ exports.PenTool = Montage.create(ShapeTool, {
71 // todo this might be unnecessary as we can get this from element mediator (but that may be slow) 71 // todo this might be unnecessary as we can get this from element mediator (but that may be slow)
72 _selectedSubpathPlaneMat: { value: null, writable: true }, 72 _selectedSubpathPlaneMat: { value: null, writable: true },
73 73
74 //bbox of the selected subpath in local coordinates
75 // (used for id-ing when the local center has shifted, i.e. the bbox of the subpath has grown)
76 _selectedSubpathLocalCenter: {value: null, writable: true},
77
74 //the center of the subpath center in stageworld space 78 //the center of the subpath center in stageworld space
75 _selectedSubpathCanvasCenter: {value: null, writable: true}, 79 _selectedSubpathCanvasCenter: {value: null, writable: true},
76 80
@@ -208,6 +212,7 @@ exports.PenTool = Montage.create(ShapeTool, {
208 this._selectedSubpath = new SubPath(); 212 this._selectedSubpath = new SubPath();
209 this._selectedSubpathCanvas = null; 213 this._selectedSubpathCanvas = null;
210 this._selectedSubpathPlaneMat = null; 214 this._selectedSubpathPlaneMat = null;
215 this._selectedSubpathLocalCenter = null;
211 this._isNewPath = true; 216 this._isNewPath = true;
212 217
213 if (this._entryEditMode === this.ENTRY_SELECT_PATH){ 218 if (this._entryEditMode === this.ENTRY_SELECT_PATH){
@@ -758,6 +763,7 @@ exports.PenTool = Montage.create(ShapeTool, {
758 for (d=0;d<3;d++){ 763 for (d=0;d<3;d++){
759 if (bboxMax[d]-bboxMin[d]>this._MAX_CANVAS_DIMENSION){ 764 if (bboxMax[d]-bboxMin[d]>this._MAX_CANVAS_DIMENSION){
760 canvasTooLarge = true; 765 canvasTooLarge = true;
766 break;
761 } 767 }
762 } 768 }
763 if (canvasTooLarge){ 769 if (canvasTooLarge){
@@ -773,11 +779,26 @@ exports.PenTool = Montage.create(ShapeTool, {
773 779
774 //convert the midpoint of this bbox to stage world space 780 //convert the midpoint of this bbox to stage world space
775 var bboxMid = VecUtils.vecInterpolate(3, bboxMin, bboxMax, 0.5); 781 var bboxMid = VecUtils.vecInterpolate(3, bboxMin, bboxMax, 0.5);
782
783 //sandwich the planeMat between with the translation to the previous center of the canvas in local space and its inverse
784 var centerDisp = VecUtils.vecSubtract(3, bboxMid, this._selectedSubpathLocalCenter);
785 var tMat = Matrix.Translation([centerDisp[0], centerDisp[1],centerDisp[2]]);
786 var tInvMat = Matrix.Translation([-centerDisp[0], -centerDisp[1], -centerDisp[2]]);
787 var newMat = Matrix.I(4);
788 glmat4.multiply( tInvMat, this._selectedSubpathPlaneMat, newMat);
789 glmat4.multiply( newMat, tMat, newMat);
790 this._selectedSubpathPlaneMat = newMat;
791 ViewUtils.setMatrixForElement(this._selectedSubpathCanvas, newMat, true);
792
793
776 //this._selectedSubpathCanvasCenter = ViewUtils.localToStageWorld(bboxMid, this._selectedSubpathCanvas); 794 //this._selectedSubpathCanvasCenter = ViewUtils.localToStageWorld(bboxMid, this._selectedSubpathCanvas);
777 var localToStageWorldMat = ViewUtils.getLocalToStageWorldMatrix(this._selectedSubpathCanvas, false, false); 795 var localToStageWorldMat = ViewUtils.getLocalToStageWorldMatrix(this._selectedSubpathCanvas, false, false);
778 this._selectedSubpathCanvasCenter = MathUtils.transformAndDivideHomogeneousPoint(bboxMid, localToStageWorldMat); 796 this._selectedSubpathCanvasCenter = MathUtils.transformAndDivideHomogeneousPoint(bboxMid, localToStageWorldMat);
779 this._selectedSubpathCanvasCenter[0]+= xAdjustment; 797 this._selectedSubpathCanvasCenter[0]+= xAdjustment;
780 this._selectedSubpathCanvasCenter[1]+= yAdjustment; 798 this._selectedSubpathCanvasCenter[1]+= yAdjustment;
799
800
801
781 } else { 802 } else {
782 //compute the bbox in stage-world space (the points are already in stage world space) 803 //compute the bbox in stage-world space (the points are already in stage world space)
783 this._selectedSubpath.createSamples(true); 804 this._selectedSubpath.createSamples(true);
@@ -786,7 +807,7 @@ exports.PenTool = Montage.create(ShapeTool, {
786 this._selectedSubpathCanvasCenter = VecUtils.vecInterpolate(3, bboxMin, bboxMax, 0.5); 807 this._selectedSubpathCanvasCenter = VecUtils.vecInterpolate(3, bboxMin, bboxMax, 0.5);
787 808
788 //convert the path points into local coordinates by multiplying by the inverse of the plane mat 809 //convert the path points into local coordinates by multiplying by the inverse of the plane mat
789 for (i=0;i<numAnchors;i++){ 810 for (i=0;i<numAnchors;i++) {
790 currAnchor = this._selectedSubpath.getAnchor(i); 811 currAnchor = this._selectedSubpath.getAnchor(i);
791 swPos = [currAnchor.getPosX()-xAdjustment,currAnchor.getPosY()-yAdjustment,currAnchor.getPosZ()]; 812 swPos = [currAnchor.getPosX()-xAdjustment,currAnchor.getPosY()-yAdjustment,currAnchor.getPosZ()];
792 swPrev = [currAnchor.getPrevX()-xAdjustment,currAnchor.getPrevY()-yAdjustment,currAnchor.getPrevZ()]; 813 swPrev = [currAnchor.getPrevX()-xAdjustment,currAnchor.getPrevY()-yAdjustment,currAnchor.getPrevZ()];
@@ -801,11 +822,16 @@ exports.PenTool = Montage.create(ShapeTool, {
801 } 822 }
802 } 823 }
803 824
804 //todo MISSING: sandwich the planeMat between with the translation to the previous center of the canvas in local space and its inverse 825
805 826
806 this._selectedSubpath.makeDirty(); 827 this._selectedSubpath.makeDirty();
807 this._selectedSubpath.createSamples(false); 828 this._selectedSubpath.createSamples(false);
808 this._selectedSubpath.offsetPerBBoxMin(); 829 this._selectedSubpath.offsetPerBBoxMin();
830 bboxMin = this._selectedSubpath.getBBoxMin();
831 bboxMax = this._selectedSubpath.getBBoxMax();
832
833 //compute and store the center of the bbox in local space
834 this._selectedSubpathLocalCenter = VecUtils.vecInterpolate(3, bboxMin, bboxMax, 0.5);
809 } 835 }
810 }, 836 },
811 837