===================================================================
--- original.js
+++ change.js
@@ -1,6 +1,187 @@
-/****
+/**** 
+* Classes
+****/ 
+var HomeScreen = Container.expand(function () {
+	var self = Container.call(this);
+	// Title
+	var title = new Text2('Ping Pong Ball', {
+		size: 100,
+		fill: 0xFFFFFF
+	});
+	title.anchor.set(0.5, 0.5);
+	title.x = 1024;
+	title.y = 400;
+	self.addChild(title);
+	// Developer info button (person logo)
+	var developerBtn = self.attachAsset('button', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: 1800,
+		y: 200,
+		scaleX: 0.5,
+		scaleY: 0.5
+	});
+	var developerText = new Text2('👤', {
+		size: 40,
+		fill: 0xFFFFFF
+	});
+	developerText.anchor.set(0.5, 0.5);
+	developerText.x = 1800;
+	developerText.y = 200;
+	self.addChild(developerText);
+	// Difficulty buttons
+	var easyBtn = self.attachAsset('button', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: 1024,
+		y: 800
+	});
+	var easyText = new Text2('EASY', {
+		size: 40,
+		fill: 0xFFFFFF
+	});
+	easyText.anchor.set(0.5, 0.5);
+	easyText.x = 1024;
+	easyText.y = 800;
+	self.addChild(easyText);
+	var mediumBtn = self.attachAsset('button', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: 1024,
+		y: 900
+	});
+	var mediumText = new Text2('MEDIUM', {
+		size: 40,
+		fill: 0xFFFFFF
+	});
+	mediumText.anchor.set(0.5, 0.5);
+	mediumText.x = 1024;
+	mediumText.y = 900;
+	self.addChild(mediumText);
+	var hardBtn = self.attachAsset('button', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: 1024,
+		y: 1000
+	});
+	var hardText = new Text2('HARD', {
+		size: 40,
+		fill: 0xFFFFFF
+	});
+	hardText.anchor.set(0.5, 0.5);
+	hardText.x = 1024;
+	hardText.y = 1000;
+	self.addChild(hardText);
+	return self;
+});
+// Game states
+var Preloader = Container.expand(function () {
+	var self = Container.call(this);
+	// Logo
+	var logo = self.attachAsset('preloaderLogo', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: 1024,
+		y: 800
+	});
+	// Title
+	var title = new Text2('Ping Pong Ball', {
+		size: 80,
+		fill: 0xFFFFFF
+	});
+	title.anchor.set(0.5, 0.5);
+	title.x = 1024;
+	title.y = 1000;
+	self.addChild(title);
+	// Loading bar background
+	var loadingBarBg = self.attachAsset('loadingBarBg', {
+		anchorX: 0.5,
+		anchorY: 0.5,
+		x: 1024,
+		y: 1200
+	});
+	// Loading bar fill
+	var loadingBarFill = self.attachAsset('loadingBarFill', {
+		anchorX: 0,
+		anchorY: 0.5,
+		x: 824,
+		y: 1200,
+		scaleX: 0
+	});
+	// Percentage text
+	var percentageText = new Text2('0%', {
+		size: 40,
+		fill: 0xFFFFFF
+	});
+	percentageText.anchor.set(0.5, 0.5);
+	percentageText.x = 1024;
+	percentageText.y = 1300;
+	self.addChild(percentageText);
+	self.progress = 0;
+	self.targetProgress = 0;
+	self.setProgress = function (percent) {
+		self.targetProgress = percent;
+	};
+	self.update = function () {
+		if (self.progress < self.targetProgress) {
+			self.progress += 2;
+			if (self.progress > self.targetProgress) {
+				self.progress = self.targetProgress;
+			}
+			loadingBarFill.scaleX = self.progress / 100;
+			percentageText.setText(Math.floor(self.progress) + '%');
+		}
+	};
+	return self;
+});
+
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
 	backgroundColor: 0x000000
-});
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+});
+
+/**** 
+* Game Code
+****/ 
+// Game states
+// Preloader Assets
+// Game Assets
+// Sound effects
+var gameState = 'preloader'; // preloader, home, nameEntry, playing, gameOver, victory
+var selectedDifficulty = 'easy';
+var playerName = '';
+var loadingProgress = 0;
+// UI elements
+var preloader = null;
+var homeScreen = null;
+// Initialize preloader
+if (gameState === 'preloader') {
+	preloader = game.addChild(new Preloader());
+	LK.getSound('loadingSound').play();
+	// Simulate loading progress
+	var loadingTimer = LK.setInterval(function () {
+		loadingProgress += 5;
+		preloader.setProgress(loadingProgress);
+		if (loadingProgress >= 100) {
+			LK.clearInterval(loadingTimer);
+			// Transition to home screen after loading
+			LK.setTimeout(function () {
+				gameState = 'home';
+				preloader.destroy();
+				homeScreen = game.addChild(new HomeScreen());
+			}, 500);
+		}
+	}, 100);
+}
+// Game update loop
+game.update = function () {
+	// Handle different game states
+	if (gameState === 'preloader') {
+		// Preloader updates automatically
+	} else if (gameState === 'home') {
+		// Home screen is static, waiting for user input
+	}
+	// Additional game states will be handled here
+};
\ No newline at end of file