===================================================================
--- original.js
+++ change.js
@@ -1,82 +1,100 @@
-/****
+/**** 
 * Classes
-****/
+****/ 
+// Happiness Bar class
+var HappinessBar = Container.expand(function () {
+	var self = Container.call(this);
+	// Happiness Bar visuals
+	var barGraphics = self.attachAsset('happinessBar', {
+		anchorX: 0.0,
+		anchorY: 0.5
+	});
+	// Method to update the happiness bar
+	self.update = function (happiness) {
+		self.scaleX = happiness / 100;
+	};
+});
 // Assets will be automatically generated based on usage in the code.
 // Pet class
 var Pet = Container.expand(function () {
-  var self = Container.call(this);
-  // Pet visuals
-  var petGraphics = self.attachAsset('pet', {
-    anchorX: 0.5,
-    anchorY: 0.5
-  });
-  // Pet properties
-  self.happiness = 100; // Max happiness
-  self.health = 100; // Max health
-  // Method to feed the pet
-  self.feed = function () {
-    self.happiness += 10;
-    self.health += 5;
-    // Ensure values do not exceed 100
-    self.happiness = Math.min(self.happiness, 100);
-    self.health = Math.min(self.health, 100);
-  };
-  // Method to play with the pet
-  self.play = function () {
-    self.happiness += 15;
-    // Ensure happiness does not exceed 100
-    self.happiness = Math.min(self.happiness, 100);
-  };
-  // Update pet status
-  self.update = function () {
-    // Decrease happiness and health over time
-    self.happiness -= 0.05;
-    self.health -= 0.02;
-    // Ensure values do not drop below 0
-    self.happiness = Math.max(self.happiness, 0);
-    self.health = Math.max(self.health, 0);
-  };
+	var self = Container.call(this);
+	// Pet visuals
+	var petGraphics = self.attachAsset('pet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// Pet properties
+	self.happiness = 100; // Max happiness
+	self.health = 100; // Max health
+	// Method to feed the pet
+	self.feed = function () {
+		self.happiness += 10;
+		self.health += 5;
+		// Ensure values do not exceed 100
+		self.happiness = Math.min(self.happiness, 100);
+		self.health = Math.min(self.health, 100);
+	};
+	// Method to play with the pet
+	self.play = function () {
+		self.happiness += 15;
+		// Ensure happiness does not exceed 100
+		self.happiness = Math.min(self.happiness, 100);
+	};
+	// Update pet status
+	self.update = function () {
+		// Decrease happiness and health over time
+		self.happiness -= 0.05;
+		self.health -= 0.02;
+		// Ensure values do not drop below 0
+		self.happiness = Math.max(self.happiness, 0);
+		self.health = Math.max(self.health, 0);
+	};
 });
 
-/****
+/**** 
 * Initialize Game
-****/
+****/ 
 var game = new LK.Game({
-  backgroundColor: 0x87CEEB // Light blue background
+	backgroundColor: 0x87CEEB // Light blue background
 });
 
-/****
+/**** 
 * Game Code
-****/
+****/ 
 // Create pet instance
 var pet = game.addChild(new Pet());
+// Create happiness bar instance
+var happinessBar = game.addChild(new HappinessBar());
+// Position the happiness bar at the top left of the screen
+happinessBar.x = 50;
+happinessBar.y = 50;
 // Position the pet in the center of the screen
 pet.x = 2048 / 2;
 pet.y = 2732 / 2;
 // Create interactive buttons for feeding and playing
 var feedButton = game.addChild(LK.getAsset('feedButton', {
-  x: 300,
-  y: 2500,
-  anchorX: 0.5,
-  anchorY: 0.5
+	x: 300,
+	y: 2500,
+	anchorX: 0.5,
+	anchorY: 0.5
 }));
 var playButton = game.addChild(LK.getAsset('playButton', {
-  x: 1748,
-  y: 2500,
-  anchorX: 0.5,
-  anchorY: 0.5
+	x: 1748,
+	y: 2500,
+	anchorX: 0.5,
+	anchorY: 0.5
 }));
 // Event listener for feed button
 feedButton.on('down', function () {
-  pet.feed();
+	pet.feed();
 });
 // Event listener for play button
 playButton.on('down', function () {
-  pet.play();
+	pet.play();
 });
 // Update game state every tick
 LK.on('tick', function () {
-  pet.update();
-  // Update pet's status on the screen (e.g., happiness and health bars)
-  // This part is left as an exercise for further implementation.
+	pet.update();
+	// Update the happiness bar
+	happinessBar.update(pet.happiness);
 });
\ No newline at end of file