===================================================================
--- original.js
+++ change.js
@@ -1,13 +1,15 @@
 /**** 
 * Classes
 ****/
-// UpperRightObject class
-var UpperRightObject = Container.expand(function () {
+// UpperRightEdgeItem class
+var UpperRightEdgeItem = Container.expand(function () {
 	var self = Container.call(this);
-	var objectGraphics = self.createAsset('upperRightObject', 'Object in upper right', 1, 0);
-	self.x = 2048 - objectGraphics.width;
-	self.y = 0;
+	var edgeGraphics = self.createAsset('upperRightEdgeItem', 'Upper right edge object', 1, 0);
+	self.setPosition = function () {
+		self.x = 2048 - self.width;
+		self.y = 0;
+	};
 });
 // EndGameItem class
 var EndGameItem = Container.expand(function () {
 	var self = Container.call(this);
@@ -130,24 +132,24 @@
 
 /**** 
 * Initialize Game
 ****/
+// Initialize upper right edge items array
 var game = new LK.Game({
 	backgroundColor: 0x000000 // Init game with black background
 });
 
 /**** 
 * Game Code
 ****/
-// Initialize 10 UpperRightObjects
-var upperRightObjects = [];
+// Initialize upper right edge items array
+// Initialize second background
+var upperRightEdgeItems = [];
 for (var i = 0; i < 10; i++) {
-	var upperRightObject = game.addChild(new UpperRightObject());
-	upperRightObject.y = i * upperRightObject.height;
-	upperRightObjects.push(upperRightObject);
+	var upperRightEdgeItem = game.addChild(new UpperRightEdgeItem());
+	upperRightEdgeItem.setPosition();
+	upperRightEdgeItems.push(upperRightEdgeItem);
 }
-
-// Initialize second background
 var background2 = game.addChild(LK.getAsset('background2', 'Second background', 0, 0));
 background2.width = 2048;
 background2.height = 2732;
 background2.x = 0;