1 files changed, 17 insertions, 0 deletions
diff --git a/public/assets/javascripts/rectangles/engine/map/ui_ortho.js b/public/assets/javascripts/rectangles/engine/map/ui_ortho.js
index adff4d2..adcc078 100644
--- a/public/assets/javascripts/rectangles/engine/map/ui_ortho.js
+++ b/public/assets/javascripts/rectangles/engine/map/ui_ortho.js
@@ -10,6 +10,23 @@ Map.UI.Ortho = function(map){
 		down: function(e, cursor){
 			cursor.x.div(map.dimensions.a).add(0.5).mul(map.dimensions.a / map.zoom).add(map.center.a)
 			cursor.y.div(map.dimensions.b).sub(0.5).mul(map.dimensions.b / map.zoom).sub(map.center.b)
+
+      if (e.ctrlKey || e.which === 3) {
+        if (placing) {
+          // close polyline or cancel
+          return
+        }
+        cursor.quantize(1/map.zoom)
+        map.center.a = cursor.x.a
+        map.center.b = -cursor.y.a
+        cursor.x.b = cursor.x.a
+        cursor.y.b = cursor.y.a
+        base.mouse.down = false
+        e.preventDefault()
+        e.stopPropagation()
+        return
+      }
+
 			// compare to initial point
 			var p = new vec2( cursor.x.a, cursor.y.a )
 			if (placing) {