From b6f1a1b89be33e4c285f8c968178f298706b2b12 Mon Sep 17 00:00:00 2001
From: Eric Levin <ericrius1@gmail.com>
Date: Sat, 16 May 2015 07:34:32 -0700
Subject: [PATCH] added check to airhockey script so entities that have never
 been created are not attempting to be deleted

---
 examples/example/games/airHockey.js | 10 +++++++++-
 1 file changed, 9 insertions(+), 1 deletion(-)

diff --git a/examples/example/games/airHockey.js b/examples/example/games/airHockey.js
index ecef697b3e..74e00ed678 100644
--- a/examples/example/games/airHockey.js
+++ b/examples/example/games/airHockey.js
@@ -103,6 +103,8 @@ var spawnButton = Overlays.addOverlay("image", {
 
 
 
+
+
 var floor, edge1, edge2, edge3a, edge3b, edge4a, edge4b, light;
 var puck;
 var paddle1, paddle2;
@@ -564,6 +566,13 @@ function scriptEnding() {
   Overlays.deleteOverlay(spawnButton);
   Overlays.deleteOverlay(deleteButton);
 
+
+  //We only want to delete everything if we've spawned them first.
+  //Otherwise we'll throw an error- if we have edge1 we've spawned them all.
+  if(!edge1){
+    return;
+  }
+
   Entities.editEntity(edge1, {
     locked: false
   });
@@ -590,7 +599,6 @@ function scriptEnding() {
   });
 
 
-
   Entities.deleteEntity(edge1);
   Entities.deleteEntity(edge2);
   Entities.deleteEntity(edge3a);