/**** 
* Classes
****/ 
// BlueBullet class
var BlueBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('blueBullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -15;
	self.update = function () {
		self.y += self.speed;
		if (self.y < -bulletGraphics.height) {
			self.destroy();
			heroBullets.splice(heroBullets.indexOf(self), 1);
		}
	};
});
// BlueEnemy class
var BlueEnemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('blueEnemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 + enemyGraphics.height) {
			self.destroy();
			enemies.splice(enemies.indexOf(self), 1);
		}
	};
});
// DestructibleBullet class
var DestructibleBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('heroBullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -15;
	self.update = function () {
		self.y += self.speed;
		// Add homing functionality
		if (enemies.length > 0) {
			var closestEnemy = enemies[0];
			var closestDistance = Math.hypot(closestEnemy.x - self.x, closestEnemy.y - self.y);
			for (var i = 1; i < enemies.length; i++) {
				var distance = Math.hypot(enemies[i].x - self.x, enemies[i].y - self.y);
				if (distance < closestDistance) {
					closestEnemy = enemies[i];
					closestDistance = distance;
				}
			}
			var dx = closestEnemy.x - self.x;
			var dy = closestEnemy.y - self.y;
			var angle = Math.atan2(dy, dx);
			self.x += Math.cos(angle) * self.speed;
			self.y += Math.sin(angle) * self.speed;
		}
		if (self.y < -bulletGraphics.height) {
			self.destroy();
			heroBullets.splice(heroBullets.indexOf(self), 1);
		}
	};
});
// Enemy class
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 + enemyGraphics.height) {
			self.destroy();
			enemies.splice(enemies.indexOf(self), 1);
		}
	};
});
// EnemyBullet class
var EnemyBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('enemyBullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 + bulletGraphics.height) {
			self.destroy();
			enemyBullets.splice(enemyBullets.indexOf(self), 1);
		}
	};
});
//<Assets used in the game will automatically appear here>
// Hero class
var Hero = Container.expand(function () {
	var self = Container.call(this);
	var heroGraphics = self.attachAsset('hero', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		// Hero update logic
	};
	self.bulletColor = 'blue';
	self.shoot = function () {
		var bullet = new DestructibleBullet();
		bullet.x = self.x;
		bullet.y = self.y - heroGraphics.height / 2;
		game.addChild(bullet);
		heroBullets.push(bullet);
	};
	self.swapColor = function () {
		if (self.bulletColor === 'blue') {
			self.bulletColor = 'red';
		} else {
			self.bulletColor = 'blue';
		}
	};
});
// HeroBullet class
var HeroBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('heroBullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -15;
	self.update = function () {
		self.y += self.speed;
		if (self.y < -bulletGraphics.height) {
			self.destroy();
			heroBullets.splice(heroBullets.indexOf(self), 1);
		}
	};
});
// RedBullet class
var RedBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('redBullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -15;
	self.update = function () {
		self.y += self.speed;
		if (self.y < -bulletGraphics.height) {
			self.destroy();
			heroBullets.splice(heroBullets.indexOf(self), 1);
		}
	};
});

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

/**** 
* Game Code
****/ 
// Initialize arrays and variables
var hero;
var heroBullets = [];
var enemies = [];
var enemyBullets = [];
var score = 0;
var scoreTxt = new Text2('0', {
	size: 150,
	fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Initialize hero
hero = new Hero();
hero.x = 2048 / 2;
hero.y = 2732 - 200;
game.addChild(hero);
// Spawn enemies
function spawnEnemy() {
	var enemy;
	if (Math.random() > 0.5) {
		enemy = new Enemy();
	} else {
		enemy = new BlueEnemy();
	}
	enemy.x = Math.random() * 2048;
	enemy.y = -enemy.height;
	game.addChild(enemy);
	enemies.push(enemy);
}
// Handle game updates
game.update = function () {
	// Update hero bullets
	for (var i = heroBullets.length - 1; i >= 0; i--) {
		heroBullets[i].update();
	}
	// Update enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		enemies[i].update();
	}
	// Update enemy bullets
	for (var i = enemyBullets.length - 1; i >= 0; i--) {
		enemyBullets[i].update();
	}
	// Check for collisions
	for (var i = heroBullets.length - 1; i >= 0; i--) {
		for (var j = enemies.length - 1; j >= 0; j--) {
			if (heroBullets[i].intersects(enemies[j])) {
				enemies[j].destroy();
				heroBullets[i].destroy();
				enemies.splice(j, 1);
				heroBullets.splice(i, 1);
				score++;
				scoreTxt.setText(score);
				break;
			}
		}
	}
	// Check for collisions between hero and enemy bullets
	for (var i = enemyBullets.length - 1; i >= 0; i--) {
		if (hero.intersects(enemyBullets[i])) {
			hero.destroy();
			enemyBullets[i].destroy();
			enemyBullets.splice(i, 1);
			LK.showGameOver();
			break;
		}
	}
	// Fire enemy bullets
	if (LK.ticks % 60 == 0) {
		for (var i = 0; i < enemies.length; i++) {
			var bullet = new EnemyBullet();
			bullet.x = enemies[i].x;
			bullet.y = enemies[i].y + enemies[i].height / 2;
			game.addChild(bullet);
			enemyBullets.push(bullet);
		}
	}
	// Spawn new enemies
	if (LK.ticks % 120 == 0) {
		spawnEnemy();
	}
	// Decrease shootDelay
	if (shootDelay > 0) {
		shootDelay--;
	}
};
// Handle touch events
game.down = function (x, y, obj) {
	hero.swapColor();
};
var shootDelay = 0;
game.move = function (x, y, obj) {
	hero.x = x;
	if (shootDelay <= 0) {
		hero.shoot();
		shootDelay = 10; // Delay for 10 frames
	}
};
game.up = function (x, y, obj) {
	// No action needed on touch up
};

===================================================================
--- original.js
+++ change.js
@@ -32,8 +32,41 @@
 			enemies.splice(enemies.indexOf(self), 1);
 		}
 	};
 });
+// DestructibleBullet class
+var DestructibleBullet = Container.expand(function () {
+	var self = Container.call(this);
+	var bulletGraphics = self.attachAsset('heroBullet', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = -15;
+	self.update = function () {
+		self.y += self.speed;
+		// Add homing functionality
+		if (enemies.length > 0) {
+			var closestEnemy = enemies[0];
+			var closestDistance = Math.hypot(closestEnemy.x - self.x, closestEnemy.y - self.y);
+			for (var i = 1; i < enemies.length; i++) {
+				var distance = Math.hypot(enemies[i].x - self.x, enemies[i].y - self.y);
+				if (distance < closestDistance) {
+					closestEnemy = enemies[i];
+					closestDistance = distance;
+				}
+			}
+			var dx = closestEnemy.x - self.x;
+			var dy = closestEnemy.y - self.y;
+			var angle = Math.atan2(dy, dx);
+			self.x += Math.cos(angle) * self.speed;
+			self.y += Math.sin(angle) * self.speed;
+		}
+		if (self.y < -bulletGraphics.height) {
+			self.destroy();
+			heroBullets.splice(heroBullets.indexOf(self), 1);
+		}
+	};
+});
 // Enemy class
 var Enemy = Container.expand(function () {
 	var self = Container.call(this);
 	var enemyGraphics = self.attachAsset('enemy', {
@@ -78,14 +111,9 @@
 		// Hero update logic
 	};
 	self.bulletColor = 'blue';
 	self.shoot = function () {
-		var bullet;
-		if (self.bulletColor === 'blue') {
-			bullet = new BlueBullet();
-		} else {
-			bullet = new RedBullet();
-		}
+		var bullet = new DestructibleBullet();
 		bullet.x = self.x;
 		bullet.y = self.y - heroGraphics.height / 2;
 		game.addChild(bullet);
 		heroBullets.push(bullet);
@@ -188,25 +216,15 @@
 	// Check for collisions
 	for (var i = heroBullets.length - 1; i >= 0; i--) {
 		for (var j = enemies.length - 1; j >= 0; j--) {
 			if (heroBullets[i].intersects(enemies[j])) {
-				if (enemies[j] instanceof BlueEnemy && heroBullets[i] instanceof BlueBullet) {
-					enemies[j].destroy();
-					heroBullets[i].destroy();
-					enemies.splice(j, 1);
-					heroBullets.splice(i, 1);
-					score++;
-					scoreTxt.setText(score);
-					break;
-				} else if (!(enemies[j] instanceof BlueEnemy) && heroBullets[i] instanceof RedBullet) {
-					enemies[j].destroy();
-					heroBullets[i].destroy();
-					enemies.splice(j, 1);
-					heroBullets.splice(i, 1);
-					score++;
-					scoreTxt.setText(score);
-					break;
-				}
+				enemies[j].destroy();
+				heroBullets[i].destroy();
+				enemies.splice(j, 1);
+				heroBullets.splice(i, 1);
+				score++;
+				scoreTxt.setText(score);
+				break;
 			}
 		}
 	}
 	// Check for collisions between hero and enemy bullets