/**** 
* Plugins
****/ 
var tween = LK.import("@upit/tween.v1");

/**** 
* Classes
****/ 
// Define a class for enemies
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Create a smaller hitbox for the enemy (reduce the collision area)
	self.hitArea = new Rectangle(-50, -50, 100, 100);
	self.speed = 8;
	self.update = function () {
		self.x -= self.speed;
		// Make the enemy roll by rotating it in the opposite direction
		self.rotation -= 0.1;
		if (self.x < -50) {
			self.destroy();
		}
	};
});
// Define a class for heart display
var Heart = Container.expand(function () {
	var self = Container.call(this);
	// Create a heart using the heart asset
	var heartShape = self.attachAsset('heart', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Animate heart slightly
	self.animate = function () {
		tween(self, {
			scaleX: 1.1,
			scaleY: 1.1
		}, {
			duration: 800,
			easing: tween.easeInOutQuad,
			onFinish: function onFinish() {
				tween(self, {
					scaleX: 1.0,
					scaleY: 1.0
				}, {
					duration: 800,
					easing: tween.easeInOutQuad,
					onFinish: self.animate
				});
			}
		});
	};
	return self;
});
//<Assets used in the game will automatically appear here>
// Define a class for the player character
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.jumpHeight = 40;
	self.isJumping = false;
	self.velocityY = 0;
	self.invulnerable = false;
	self.update = function () {
		if (self.isJumping) {
			self.y += self.velocityY;
			self.velocityY += 0.9; // Gravity effect
			if (self.y >= 2732 / 2) {
				// Ground level
				self.y = 2732 / 2;
				self.isJumping = false;
				self.velocityY = 0;
			}
		}
	};
	self.jump = function () {
		if (!self.isJumping) {
			self.isJumping = true;
			self.velocityY = -self.jumpHeight;
		}
	};
});

/**** 
* Initialize Game
****/ 
var game = new LK.Game({
	backgroundColor: 0x87CEEB // Sky blue background
});

/**** 
* Game Code
****/ 
var background = game.addChild(LK.getAsset('background', {
	anchorX: 0,
	anchorY: 0
}));
background.x = 0;
background.y = 0;
// Initialize player
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 / 2;
// Initialize enemies
var enemies = [];
var enemySpawnInterval = 100;
var enemySpawnCounter = 0;
// Create a new Text2 object to display the score
var scoreText = new Text2('0', {
	size: 100,
	fill: 0xFFFFFF
});
// Add the score text to the game GUI at the top center of the screen
LK.gui.top.addChild(scoreText);
scoreText.x = 2048 / 2;
scoreText.y = 0;
// Initialize lives counter
var lives = 3;
var hearts = [];
var heartsContainer = new Container();
game.addChild(heartsContainer);
// Position hearts container in the middle of the screen
heartsContainer.x = 2048 / 2;
heartsContainer.y = 150;
// Create heart display
function updateHeartDisplay() {
	// Clear existing hearts
	while (hearts.length > 0) {
		var heart = hearts.pop();
		heart.destroy();
	}
	// Create new hearts based on current lives
	for (var i = 0; i < lives; i++) {
		var heart = new Heart();
		heart.x = (i - (lives - 1) / 2) * 100; // Distribute hearts evenly
		heart.y = 0;
		hearts.push(heart);
		heartsContainer.addChild(heart);
		heart.animate();
	}
}
// Initial heart display
updateHeartDisplay();
// Handle game updates
game.update = function () {
	player.update();
	// Spawn enemies
	enemySpawnCounter++;
	if (enemySpawnCounter >= enemySpawnInterval) {
		var enemy = new Enemy();
		enemy.x = 2048;
		enemy.y = 2732 / 2;
		enemies.push(enemy);
		game.addChild(enemy);
		// Apply rolling animation with tween in the opposite direction
		tween(enemy, {
			rotation: -Math.PI * 4
		}, {
			duration: 2000,
			easing: tween.linear,
			onFinish: function onFinish() {
				// Continuously roll the enemy in the opposite direction
				tween(enemy, {
					rotation: enemy.rotation - Math.PI * 4
				}, {
					duration: 2000,
					easing: tween.linear
				});
			}
		});
		// Randomize the spawn interval for the next enemy
		enemySpawnInterval = Math.floor(Math.random() * 150) + 50;
		enemySpawnCounter = 0;
	}
	// Update enemies
	for (var j = enemies.length - 1; j >= 0; j--) {
		enemies[j].update();
		if (player.intersects(enemies[j]) && !player.invulnerable) {
			// Handle collision
			lives--;
			updateHeartDisplay();
			// Make player invulnerable temporarily
			player.invulnerable = true;
			player.alpha = 0.5;
			// Flash the screen red
			LK.effects.flashScreen(0xff0000, 500);
			// Remove the enemy
			enemies[j].destroy();
			enemies.splice(j, 1);
			// Check if player has run out of lives
			if (lives <= 0) {
				LK.showGameOver();
			} else {
				// Make player vulnerable again after a short time
				LK.setTimeout(function () {
					player.invulnerable = false;
					player.alpha = 1;
				}, 1500);
			}
		} else if (player.x > enemies[j].x && !enemies[j].passed) {
			enemies[j].passed = true;
			LK.setScore(LK.getScore() + 1);
			scoreText.setText(LK.getScore());
		}
	}
};
// Handle player jump
game.down = function (x, y, obj) {
	player.jump();
};
// Import tween plugin for animations

===================================================================
--- original.js
+++ change.js
@@ -27,13 +27,13 @@
 });
 // Define a class for heart display
 var Heart = Container.expand(function () {
 	var self = Container.call(this);
-	// Create a red heart shape
-	var heartShape = self.attachAsset({
+	// Create a heart using the heart asset
+	var heartShape = self.attachAsset('heart', {
 		anchorX: 0.5,
 		anchorY: 0.5
-	}, {});
+	});
 	// Animate heart slightly
 	self.animate = function () {
 		tween(self, {
 			scaleX: 1.1,