/**** 
* Classes
****/
// Pizza class
var Pizza = Container.expand(function () {
	var self = Container.call(this);
	var pizzaGraphics = self.createAsset('pizza', 'Clickable pizza', 0.5, 0.5);
	self.onClick = function () {
		// Trigger the scale and move animations to simulate a button press
		var originalScale = {
			x: self.scale.x,
			y: self.scale.y
		};
		var originalY = self.y;
		var scaleDown = 0.9;
		var moveDistance = 10;
		var animationDuration = 5; // Duration of the animations in frames
		var currentFrame = 0;
		// Function to handle the animations each frame
		var animateClick = function animateClick() {
			if (currentFrame < animationDuration) {
				// Scale down and move up
				self.scale.x = self.scale.y = originalScale.x - (originalScale.x - scaleDown) * (currentFrame / animationDuration);
				self.y = originalY - moveDistance * (currentFrame / animationDuration);
			} else if (currentFrame < animationDuration * 2) {
				// Scale up and move down
				self.scale.x = self.scale.y = scaleDown + (originalScale.x - scaleDown) * ((currentFrame - animationDuration) / animationDuration);
				self.y = originalY - moveDistance + moveDistance * ((currentFrame - animationDuration) / animationDuration);
			} else {
				// Reset to original scale and position
				self.scale.x = self.scale.y = originalScale.x;
				self.y = originalY;
				LK.removeListener('tick', animateClick); // Stop the animations
			}
			currentFrame++;
		};
		// Start the animations
		LK.on('tick', animateClick);
	};
	self.animateClick = function () {
		var originalY = self.y;
		var moveDistance = 10; // Distance to move the pizza
		var moveDuration = 5; // Duration of the move in frames
		var currentFrame = 0;
		// Function to handle the animation each frame
		var animate = function animate() {
			if (currentFrame < moveDuration) {
				self.y = originalY - moveDistance * (currentFrame / moveDuration);
				currentFrame++;
			} else if (currentFrame < moveDuration * 2) {
				self.y = originalY - moveDistance * (1 - (currentFrame - moveDuration) / moveDuration);
				currentFrame++;
			} else {
				self.y = originalY; // Reset to original position
				LK.removeListener('tick', animate); // Stop the animation
			}
		};
		// Start the animation
		LK.on('tick', animate);
	};
});
// Score class
var Score = Container.expand(function () {
	var self = Container.call(this);
	var scoreText = new Text2('0', {
		size: 150,
		fill: "#ffffff"
	});
	scoreText.anchor.set(0.5, 0);
	self.addChild(scoreText);
	self.updateScore = function (newScore) {
		scoreText.setText(newScore.toString());
	};
});
// Upgrade class
var Upgrade = Container.expand(function () {
	var self = Container.call(this);
	var upgradeGraphics = self.createAsset('upgrade', 'Clickable upgrade', 0.5, 0.5);
	self.cost = 10; // Initial cost of the upgrade
	self.multiplier = 1; // Score multiplier
	self.updateCost = function () {
		self.cost *= 2; // Double the cost for the next upgrade
	};
	self.increaseMultiplier = function () {
		self.multiplier += 1; // Increase the multiplier by 1
	};
	var upgradeText = new Text2('Upgrade: $' + self.cost, {
		size: 100,
		fill: "#ffffff"
	});
	upgradeText.anchor.set(0.5, 0);
	self.addChild(upgradeText);
	self.updateUpgradeText = function () {
		upgradeText.setText('Upgrade: $' + self.cost);
	};
	self.onClick = function () {
		if (currentScore >= self.cost) {
			currentScore -= self.cost; // Deduct the cost from the current score
			score.updateScore(currentScore); // Update the score display
			self.updateCost(); // Update the cost for the next upgrade
			self.increaseMultiplier(); // Increase the score multiplier
			self.updateUpgradeText(); // Update the upgrade text
		}
	};
});

/**** 
* Initialize Game
****/
var game = new LK.Game({
	backgroundColor: 0x000000 // Init game with black background
});

/**** 
* Game Code
****/
// Initialize pizza
var pizza = game.addChild(new Pizza());
pizza.x = 2048 / 2;
pizza.y = 2732 / 2;
// Initialize score
var score = game.addChild(new Score());
score.x = 2048 / 2;
score.y = 100; // Position score at the top center
// Initialize game variables
var currentScore = 0;
// Update the score when the pizza is clicked
pizza.onClick = function () {
	currentScore += upgrade.multiplier; // Increment score by the upgrade multiplier per click
	score.updateScore(currentScore);
}; // Initialize upgrade
var upgrade = game.addChild(new Upgrade());
upgrade.x = 2048 / 2;
upgrade.y = 2732 - 300; // Position upgrade button at the bottom center
// Add event listener for upgrade clicks
upgrade.on('down', function (obj) {
	upgrade.onClick();
});
pizza.on('down', function (obj) {
	pizza.onClick();
});
// Main game tick event
LK.on('tick', function () {
	// Game logic goes here
	// In this simple game, the tick event is not used, but it's here for future game logic
});

===================================================================
--- original.js
+++ change.js
@@ -71,8 +71,39 @@
 	self.updateScore = function (newScore) {
 		scoreText.setText(newScore.toString());
 	};
 });
+// Upgrade class
+var Upgrade = Container.expand(function () {
+	var self = Container.call(this);
+	var upgradeGraphics = self.createAsset('upgrade', 'Clickable upgrade', 0.5, 0.5);
+	self.cost = 10; // Initial cost of the upgrade
+	self.multiplier = 1; // Score multiplier
+	self.updateCost = function () {
+		self.cost *= 2; // Double the cost for the next upgrade
+	};
+	self.increaseMultiplier = function () {
+		self.multiplier += 1; // Increase the multiplier by 1
+	};
+	var upgradeText = new Text2('Upgrade: $' + self.cost, {
+		size: 100,
+		fill: "#ffffff"
+	});
+	upgradeText.anchor.set(0.5, 0);
+	self.addChild(upgradeText);
+	self.updateUpgradeText = function () {
+		upgradeText.setText('Upgrade: $' + self.cost);
+	};
+	self.onClick = function () {
+		if (currentScore >= self.cost) {
+			currentScore -= self.cost; // Deduct the cost from the current score
+			score.updateScore(currentScore); // Update the score display
+			self.updateCost(); // Update the cost for the next upgrade
+			self.increaseMultiplier(); // Increase the score multiplier
+			self.updateUpgradeText(); // Update the upgrade text
+		}
+	};
+});
 
 /**** 
 * Initialize Game
 ****/
@@ -94,12 +125,18 @@
 // Initialize game variables
 var currentScore = 0;
 // Update the score when the pizza is clicked
 pizza.onClick = function () {
-	currentScore += 1; // Increment score by $1 per click
+	currentScore += upgrade.multiplier; // Increment score by the upgrade multiplier per click
 	score.updateScore(currentScore);
-};
-// Add event listener for pizza clicks
+}; // Initialize upgrade
+var upgrade = game.addChild(new Upgrade());
+upgrade.x = 2048 / 2;
+upgrade.y = 2732 - 300; // Position upgrade button at the bottom center
+// Add event listener for upgrade clicks
+upgrade.on('down', function (obj) {
+	upgrade.onClick();
+});
 pizza.on('down', function (obj) {
 	pizza.onClick();
 });
 // Main game tick event