1 files changed, 9 insertions, 1 deletions
diff --git a/public/assets/javascripts/rectangles/util/mouse.js b/public/assets/javascripts/rectangles/util/mouse.js
index cb36038..2b98cee 100644
--- a/public/assets/javascripts/rectangles/util/mouse.js
+++ b/public/assets/javascripts/rectangles/util/mouse.js
@@ -76,6 +76,14 @@ function mouse (opt) {
     window.addEventListener("mousemove", base.mousemove)
     window.addEventListener("mouseup", base.mouseup)
   }
+  base.unbind = function(){
+    if (opt.el) {
+      opt.el.removeEventListener("mousedown", base.mousedown)
+      opt.el.removeEventListener("contextmenu", base.contextmenu)
+    }
+    window.removeEventListener("mousemove", base.mousemove)
+    window.removeEventListener("mouseup", base.mouseup)
+  }
 
   base.bind_el = function(el){
     el.addEventListener("mousedown", base.mousedown)
@@ -126,7 +134,7 @@ function mouse (opt) {
     }
 
     var x = pos.a, y = pos.b
-    
+
     if (base.down) {
       base.cursor.x.b = x
       base.cursor.y.b = y