From d91e67e06095afbdbe47353eb71d2829a9a9c401 Mon Sep 17 00:00:00 2001
From: Pushkar Joshi
Date: Tue, 1 May 2012 14:52:12 -0700
Subject: handle left button up correctly for the brush tool

---
 js/tools/BrushTool.js | 8 +++++---
 1 file changed, 5 insertions(+), 3 deletions(-)

(limited to 'js/tools')

diff --git a/js/tools/BrushTool.js b/js/tools/BrushTool.js
index ded56ecc..1666d311 100644
--- a/js/tools/BrushTool.js
+++ b/js/tools/BrushTool.js
@@ -225,9 +225,11 @@ exports.BrushTool = Montage.create(ShapeTool, {
             this._hasDraw = false;
 
             //finish giving enough info. to the brush stroke
-            this._selectedBrushStroke.setPlaneMatrix(this._brushStrokePlaneMat);
-            this._selectedBrushStroke.setPlaneMatrixInverse(glmat4.inverse(this._brushStrokePlaneMat,[]));
-            this._selectedBrushStroke.setDragPlane(this._draggingPlane);
+            if (this._selectedBrushStroke){
+                this._selectedBrushStroke.setPlaneMatrix(this._brushStrokePlaneMat);
+                this._selectedBrushStroke.setPlaneMatrixInverse(glmat4.inverse(this._brushStrokePlaneMat,[]));
+                this._selectedBrushStroke.setDragPlane(this._draggingPlane);
+            }
 
             //display the previously drawn stroke in a separate canvas
             this.RenderCurrentBrushStroke();
-- 
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