/**** 
* Classes
****/
// Counter class to display and update the player's balance
var Counter = Container.expand(function (initialValue, posX, posY) {
	var self = Container.call(this);
	var text = new Text2(initialValue.toString(), {
		size: 100,
		fill: "#ffffff"
	});
	text.anchor.set(0.5, 0);
	text.x = posX;
	text.y = posY;
	self.addChild(text);
	// Method to update the displayed text
	self.updateText = function (newValue) {
		text.setText(newValue.toString());
	};
});
// Coin class to represent the coin being flipped
var Coin = Container.expand(function () {
	var self = Container.call(this);
	var coinGraphics = self.createAsset('coin_heads', 'Coin with heads side up', 0.5, 0.5);
	self.side = 'heads'; // Initial side of the coin
	// Function to flip the coin with animation
	self.flip = function (choice, callback) {
		var flipCount = 20; // Number of flips before showing the result
		var flipInterval = 50; // Interval in ms between flips
		var currentFlip = 0;
		var flipAnimation = function flipAnimation() {
			if (currentFlip < flipCount) {
				coinGraphics.texture = LK.getAsset(currentFlip % 2 === 0 ? 'coin_heads' : 'coin_tails').texture;
				coinGraphics.rotation += Math.PI / 10; // Add rotation to simulate rolling
				currentFlip++;
				LK.setTimeout(flipAnimation, flipInterval);
			} else {
				coinGraphics.rotation = 0; // Reset rotation after animation
				// Randomly choose heads or tails for the final result
				var result = Math.random() < 0.5 ? 'heads' : 'tails';
				// Update the coin graphics based on the result
				coinGraphics.texture = LK.getAsset('coin_' + result).texture;
				self.side = result;
				if (typeof callback === 'function') {
					callback(result === choice);
				}
			}
		};
		// Start the flip animation
		flipAnimation();
	};
});
// Player class to represent the player's state
var Player = Container.expand(function () {
	var self = Container.call(this);
	self.balance = 1000; // Player starts with $1000
	// Function to update the player's balance
	self.updateBalance = function (amount) {
		self.balance += amount;
	};
});

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

/**** 
* Game Code
****/
// Initialize the coin
var coin = game.addChild(new Coin());
coin.x = game.width / 2;
coin.y = game.height / 2 - 200;
// Initialize the player
var player = new Player();
// Create the balance counter using the Counter class
var balanceCounter = game.addChild(new Counter(player.balance, game.width / 2, 100));
// Create the Heads button
var headsButton = game.addChild(LK.getAsset('button_heads', 'Heads Button', 0.5, 0.5));
headsButton.x = game.width / 4;
headsButton.y = game.height - 300;
// Create the Tails button
var tailsButton = game.addChild(LK.getAsset('button_tails', 'Tails Button', 0.5, 0.5));
tailsButton.x = game.width / 4 * 3;
tailsButton.y = game.height - 300;
// Function to update the balance counter display
function updateBalanceText() {
	balanceCounter.updateText(player.balance);
}
// Function to handle the flip result
function handleFlipResult(choice) {
	if (player.balance <= 100 || player.balance >= 2000) {
		LK.showGameOver();
		return;
	}
	coin.flip(choice, function (win) {
		if (win) {
			player.updateBalance(100); // Win $100
		} else {
			player.updateBalance(-100); // Lose $100
		}
		updateBalanceText();
	});
}
// Event listener for the Heads button
headsButton.on('down', function () {
	handleFlipResult('heads');
});
// Event listener for the Tails button
tailsButton.on('down', function () {
	handleFlipResult('tails');
});
// No need for a tick function as the game does not have continuous animation or movement

===================================================================
--- original.js
+++ change.js
@@ -94,15 +94,16 @@
 	if (player.balance <= 100 || player.balance >= 2000) {
 		LK.showGameOver();
 		return;
 	}
-	var win = coin.flip(choice);
-	if (win) {
-		player.updateBalance(100); // Win $100
-	} else {
-		player.updateBalance(-100); // Lose $100
-	}
-	updateBalanceText();
+	coin.flip(choice, function (win) {
+		if (win) {
+			player.updateBalance(100); // Win $100
+		} else {
+			player.updateBalance(-100); // Lose $100
+		}
+		updateBalanceText();
+	});
 }
 // Event listener for the Heads button
 headsButton.on('down', function () {
 	handleFlipResult('heads');