undo for scenery stuff

1 files changed, 7 insertions, 2 deletions

diff --git a/public/assets/javascripts/rectangles/engine/scenery/_scenery.js b/public/assets/javascripts/rectangles/engine/scenery/_scenery.js
index fe5f037..c96885c 100644
--- a/public/assets/javascripts/rectangles/engine/scenery/_scenery.js
+++ b/public/assets/javascripts/rectangles/engine/scenery/_scenery.js
@@ -30,10 +30,15 @@ var Scenery = new function(){
 	}
 	
 	base.addNextToWall = function(wall){
-		base.add(wall, base.nextMedia)
+		var media = base.add(wall, base.nextMedia)
 		base.nextMedia = null
+		return media
 	}
-	
+
+	base.find = function(id){
+		return base.list[id] || null
+	}
+		
 	base.remove = function(id){
 		var media = base.list[id]
 		delete base.list[id]