===================================================================
--- original.js
+++ change.js
@@ -1,57 +1,4 @@
-var BackgroundLayer3 = Container.expand(function () {
-	var self = Container.call(this);
-	var backgroundGraphics = self.createAsset('background3', 'Background Graphics 3', 0, 0);
-	backgroundGraphics.width = 4096;
-	backgroundGraphics.height = 2732;
-	backgroundGraphics.alpha = 0.5;
-	self.move = function () {
-		var centerX = 2048 / 2;
-		var centerY = 2732 / 2;
-		var radius = 1024;
-		var angle = 0;
-		var speed = 0.01;
-		self.x = centerX + radius * Math.cos(angle);
-		self.y = centerY + radius * Math.sin(angle);
-		angle += speed;
-	};
-});
-var BackgroundLayer2 = Container.expand(function () {
-	var self = Container.call(this);
-	var backgroundGraphics = self.createAsset('background2', 'Background Graphics 2', 0, 0);
-	backgroundGraphics.width = 4096;
-	backgroundGraphics.height = 2732;
-	self.move = function () {
-		backgroundGraphics.x -= 2;
-		if (backgroundGraphics.x <= -2048) {
-			backgroundGraphics.x = 0;
-		}
-	};
-});
-var BackgroundLayer1 = Container.expand(function () {
-	var self = Container.call(this);
-	var backgroundGraphics = self.createAsset('background1', 'Background Graphics 1', 0, 0);
-	backgroundGraphics.width = 4096;
-	backgroundGraphics.height = 2732;
-	self.move = function () {
-		backgroundGraphics.x -= 1;
-		if (backgroundGraphics.x <= -2048) {
-			backgroundGraphics.x = 0;
-		}
-	};
-});
-var AnimatedBackground = Container.expand(function () {
-	var self = Container.call(this);
-	var backgroundGraphics = self.createAsset('background', 'Background Graphics', 0, 0);
-	backgroundGraphics.width = 4096;
-	backgroundGraphics.height = 2732;
-	self.move = function () {
-		backgroundGraphics.x -= 1;
-		if (backgroundGraphics.x <= -2048) {
-			backgroundGraphics.x = 0;
-		}
-	};
-});
 var PopUpNumber = Container.expand(function () {
 	var self = Container.call(this);
 	self.incomeText = new Text2('Income', {
 		size: 50,
@@ -109,11 +56,8 @@
 var Game = Container.expand(function () {
 	var self = Container.call(this);
 	var score = 0;
 	var clickPower = 1;
-	var backgroundLayer1 = self.addChild(new BackgroundLayer1());
-	var backgroundLayer2 = self.addChild(new BackgroundLayer2());
-	var backgroundLayer3 = self.addChild(new BackgroundLayer3());
 	var candy = self.addChild(new Candy());
 	var upgrade = self.addChild(new Upgrade());
 	candy.x = 2048 / 2;
 	candy.y = 2732 / 2;
@@ -136,13 +80,9 @@
 		var direction = Math.random() * Math.PI * 2;
 		popUpNumber.fly(direction);
 		popUpNumber.setText('🍬' + clickPower);
 	});
-	LK.on('tick', function () {
-		backgroundLayer1.move();
-		backgroundLayer2.move();
-		backgroundLayer3.move();
-	});
+	LK.on('tick', function () {});
 	upgrade.on('down', function (obj) {
 		if (score >= 10) {
 			score -= 10;
 			clickPower += 1;