From 8b6b623369f2e2396f028222cccf91b2d8f60255 Mon Sep 17 00:00:00 2001
From: liabru <liambrum@gmail.com>
Date: Mon, 5 May 2014 18:18:15 +0100
Subject: [PATCH] added check for MatterTools to Demo

---
 demo/js/Demo.js | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/demo/js/Demo.js b/demo/js/Demo.js
index 5717af8..36ef2ba 100644
--- a/demo/js/Demo.js
+++ b/demo/js/Demo.js
@@ -19,8 +19,10 @@
         Query = Matter.Query;
 
     // MatterTools aliases
-    var Gui = MatterTools.Gui,
-        Inspector = MatterTools.Inspector;
+    if (window.MatterTools) {
+        var Gui = MatterTools.Gui,
+            Inspector = MatterTools.Inspector;
+    }
 
     var Demo = {};