/**** 
* Classes
****/
// Background class to represent the game background asset
var Background = Container.expand(function () {
	var self = Container.call(this);
	var backgroundGraphics = self.createAsset('background', 'Game background', 0.5, 0.5);
	self.width = 2048; // Full width of the game screen
	self.height = 2732; // Full height of the game screen
	// Position the background in the center of the screen
	self.x = 2048 / 2;
	self.y = 2732 / 2;
});
// Muffin class to represent the main clickable muffin
var Muffin = Container.expand(function () {
	var self = Container.call(this);
	var muffinGraphics = self.createAsset('muffin', 'Main clickable muffin', 0.5, 0.5);
	self.interactive = true; // Make the muffin clickable
	// Function to handle the click on the muffin
	self.click = function () {
		game.incrementScore();
		var fallingMuffin = new FallingMuffin();
		// Set the y position to spawn further down from the top of the screen
		fallingMuffin.y = -muffinGraphics.height / 2;
		game.addChild(fallingMuffin);
		if (!game.fallingMuffins) {
			game.fallingMuffins = [];
		}
		game.fallingMuffins.push(fallingMuffin);
	};
	// Add event listener for clicks/taps
	self.on('down', function () {
		self.click();
	});
});
// ScoreDisplay class to show the current score
var ScoreDisplay = Container.expand(function () {
	var self = Container.call(this);
	var scoreText = new Text2('0', {
		size: 150,
		fill: "#ffffff"
	});
	scoreText.anchor.set(0.5, 0); // Center the score text
	self.addChild(scoreText);
	// Function to update the score display
	self.updateScore = function (newScore) {
		scoreText.setText(newScore.toString());
	};
});
var FallingMuffin = Container.expand(function () {
	var self = Container.call(this);
	var muffinGraphics = self.createAsset('smallMuffin', 'Falling muffin', 0.5, 0.5);
	self.speed = 5;
	// Set a random x position when the muffin is created
	self.x = Math.random() * 2048;
	// Start above the visible area
	self.y = -muffinGraphics.height * 2;
	self.move = function () {
		self.y += self.speed;
		self.alpha -= 0.005;
		if (self.y > 2732) {
			self.destroy();
		}
	};
});
var UpgradeItem = Container.expand(function (id, name, cost, effect) {
	var self = Container.call(this);
	self.id = id;
	self.name = name;
	self.cost = cost;
	self.effect = effect;
	self.interactive = true;
	var upgradeGraphics = self.createAsset('upgrade' + id, 'Upgrade item', 0.5, 0.5);
	self.on('down', function () {
		if (score >= self.cost) {
			score -= self.cost;
			self.cost = Math.ceil(self.cost * 1.15); // Increase cost by 15%
			self.effect();
			scoreDisplay.updateScore(score);
		}
	});
});

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

/**** 
* Game Code
****/
var clickUpgrade = game.addChild(new UpgradeItem(1, 'Click Upgrade', 10, function () {
	game.incrementScoreByAmount(1);
}));
clickUpgrade.x = 2048 / 4;
clickUpgrade.y = 2732 - 200;
var passiveUpgrade = game.addChild(new UpgradeItem(2, 'Passive Upgrade', 20, function () {
	game.addPassiveIncome();
}));
passiveUpgrade.x = 2048 / 4 * 3;
passiveUpgrade.y = 2732 - 200;
// Initialize upgrade system variables
game.upgradeCostMultiplier = 1.15; // Cost multiplier after each purchase
game.clickValue = 1; // Amount added per click
game.passiveIncomeRate = 0; // Passive income per second
var background = game.addChild(new Background());
// Initialize important asset arrays and game variables
var score = 0;
game.fallingMuffins = [];
var muffin = game.addChild(new Muffin());
var scoreDisplay = LK.gui.top.addChild(new ScoreDisplay());
// Position the muffin in the center of the screen
muffin.x = 2048 / 2;
muffin.y = 2732 / 2;
// Game logic functions
game.incrementScore = function () {
	score += game.clickValue; // Increment the score by clickValue
	scoreDisplay.updateScore(score); // Update the score display
};
// Function to increment the amount added per click
game.incrementScoreByAmount = function (amount) {
	game.clickValue += amount;
};
// Function to add passive income
game.addPassiveIncome = function () {
	game.passiveIncomeRate += 1;
};
// Main game loop
LK.on('tick', function () {
	// Game logic that needs to be executed every frame
	for (var i = game.fallingMuffins.length - 1; i >= 0; i--) {
		game.fallingMuffins[i].move();
		if (game.fallingMuffins[i].alpha <= 0) {
			game.fallingMuffins.splice(i, 1);
		}
	}
	// Add passive income every second (60 ticks)
	if (LK.ticks % 60 === 0) {
		score += game.passiveIncomeRate;
		scoreDisplay.updateScore(score);
	}
});
// Start the game with the muffin and score display initialized
// The score is already initialized to 0, so no need to increment it here.

===================================================================
--- original.js
+++ change.js
@@ -62,8 +62,25 @@
 			self.destroy();
 		}
 	};
 });
+var UpgradeItem = Container.expand(function (id, name, cost, effect) {
+	var self = Container.call(this);
+	self.id = id;
+	self.name = name;
+	self.cost = cost;
+	self.effect = effect;
+	self.interactive = true;
+	var upgradeGraphics = self.createAsset('upgrade' + id, 'Upgrade item', 0.5, 0.5);
+	self.on('down', function () {
+		if (score >= self.cost) {
+			score -= self.cost;
+			self.cost = Math.ceil(self.cost * 1.15); // Increase cost by 15%
+			self.effect();
+			scoreDisplay.updateScore(score);
+		}
+	});
+});
 
 /**** 
 * Initialize Game
 ****/
@@ -73,8 +90,22 @@
 
 /**** 
 * Game Code
 ****/
+var clickUpgrade = game.addChild(new UpgradeItem(1, 'Click Upgrade', 10, function () {
+	game.incrementScoreByAmount(1);
+}));
+clickUpgrade.x = 2048 / 4;
+clickUpgrade.y = 2732 - 200;
+var passiveUpgrade = game.addChild(new UpgradeItem(2, 'Passive Upgrade', 20, function () {
+	game.addPassiveIncome();
+}));
+passiveUpgrade.x = 2048 / 4 * 3;
+passiveUpgrade.y = 2732 - 200;
+// Initialize upgrade system variables
+game.upgradeCostMultiplier = 1.15; // Cost multiplier after each purchase
+game.clickValue = 1; // Amount added per click
+game.passiveIncomeRate = 0; // Passive income per second
 var background = game.addChild(new Background());
 // Initialize important asset arrays and game variables
 var score = 0;
 game.fallingMuffins = [];
@@ -84,11 +115,19 @@
 muffin.x = 2048 / 2;
 muffin.y = 2732 / 2;
 // Game logic functions
 game.incrementScore = function () {
-	score += 1; // Increment the score by 1
+	score += game.clickValue; // Increment the score by clickValue
 	scoreDisplay.updateScore(score); // Update the score display
 };
+// Function to increment the amount added per click
+game.incrementScoreByAmount = function (amount) {
+	game.clickValue += amount;
+};
+// Function to add passive income
+game.addPassiveIncome = function () {
+	game.passiveIncomeRate += 1;
+};
 // Main game loop
 LK.on('tick', function () {
 	// Game logic that needs to be executed every frame
 	for (var i = game.fallingMuffins.length - 1; i >= 0; i--) {
@@ -96,7 +135,12 @@
 		if (game.fallingMuffins[i].alpha <= 0) {
 			game.fallingMuffins.splice(i, 1);
 		}
 	}
+	// Add passive income every second (60 ticks)
+	if (LK.ticks % 60 === 0) {
+		score += game.passiveIncomeRate;
+		scoreDisplay.updateScore(score);
+	}
 });
 // Start the game with the muffin and score display initialized
 // The score is already initialized to 0, so no need to increment it here.
\ No newline at end of file