/**** 
* Classes
****/ 
// Define the Bullet class
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('ball', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -10;
	self.update = function () {
		self.y += self.speed;
		if (self.y < 0) {
			self.destroy();
		}
	};
});
//<Assets used in the game will automatically appear here>
// Define the Enemy class
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speedX = Math.random() * 10 - 5;
	self.speedY = Math.random() * 10 - 5;
	self.update = function () {
		self.x += self.speedX;
		self.y += self.speedY;
		if (self.x < 0 || self.x > 2048) {
			self.speedX *= -1;
		}
		if (self.y < 0 || self.y > 2732) {
			self.speedY *= -1;
		}
	};
});

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

/**** 
* Game Code
****/ 
// Initialize arrays for bullets
var bullets = [];
// Function to shoot bullets
function shootBullet() {
	// Play shooting sound
	LK.getSound('shoot').play();
	var bullet = new Bullet();
	bullet.x = player.x;
	bullet.y = player.y;
	bullets.push(bullet);
	game.addChild(bullet);
}
// Add event listener for shooting
game.down = function (x, y, obj) {
	dragNode = player;
	handleMove(x, y, obj);
};
// Initialize background
var background = game.attachAsset('background', {
	anchorX: 0,
	anchorY: 0,
	x: 0,
	y: 0
});
// Initialize player
var player = new Container();
var playerGraphics = player.attachAsset('player', {
	anchorX: 0.5,
	anchorY: 0.5
});
player.x = 1024;
player.y = 1366;
game.addChild(player);
// Add event listeners for player movement
var dragNode = null;
game.down = function (x, y, obj) {
	dragNode = player;
	handleMove(x, y, obj);
};
game.move = function (x, y, obj) {
	if (dragNode) {
		dragNode.x = x;
		dragNode.y = y;
	}
};
game.up = function (x, y, obj) {
	dragNode = null;
};
function handleMove(x, y, obj) {
	if (dragNode) {
		dragNode.x = x;
		dragNode.y = y;
		shootBullet();
		if (!enemies || enemies.length === 0) {
			return;
		}
		for (var i = 0; i < enemies.length; i++) {
			if (dragNode && dragNode.intersects(enemies[i])) {
				LK.effects.flashScreen(0xff0000, 1000);
				LK.showGameOver();
				return;
			}
		}
	}
}
// Initialize enemies
var enemies = [];
for (var i = 0; i < 10; i++) {
	var enemy = game.addChild(new Enemy());
	enemy.x = Math.random() * 2048;
	enemy.y = Math.random() * 2732;
	enemies.push(enemy);
}
// Initialize arrays for bullets
// Function to spawn enemies
function spawnEnemy() {
	var enemy = new Enemy();
	enemy.x = Math.random() * 2048;
	enemy.y = -50;
	enemies.push(enemy);
	game.addChild(enemy);
}
// Update game state
game.update = function () {
	// Update enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		enemies[i].update();
		// Check for collisions with bullets
		if (!bullets || bullets.length === 0) {
			return;
		}
		for (var j = bullets.length - 1; j >= 0; j--) {
			if (enemies[i].intersects(bullets[j])) {
				enemies[i].destroy();
				bullets[j].destroy();
				enemies.splice(i, 1);
				bullets.splice(j, 1);
				break;
			}
		}
		// Check for collisions with player
		if (!player) {
			return;
		}
		if (player && enemies[i].intersects(player)) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
			return;
		}
	}
	// Check if all enemies are destroyed
	if (enemies.length === 0) {
		LK.effects.flashScreen(0x00ff00, 1000); // Flash screen green to indicate victory
		// Display game over asset
		var gameOverAsset = LK.getAsset('gameOver', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 1024,
			y: 1366
		});
		game.addChild(gameOverAsset);
		LK.showGameOver(); // Show game over screen
		return;
	}
	// Update bullets
	for (var i = bullets.length - 1; i >= 0; i--) {
		bullets[i].update();
		if (bullets[i].y < 0) {
			bullets[i].destroy();
			bullets.splice(i, 1);
		}
	}
	// Spawn enemies periodically
	if (LK.ticks % 60 == 0) {
		spawnEnemy();
	}
};

===================================================================
--- original.js
+++ change.js
@@ -100,13 +100,13 @@
 	if (dragNode) {
 		dragNode.x = x;
 		dragNode.y = y;
 		shootBullet();
-		if (!enemies) {
+		if (!enemies || enemies.length === 0) {
 			return;
 		}
 		for (var i = 0; i < enemies.length; i++) {
-			if (dragNode.intersects(enemies[i])) {
+			if (dragNode && dragNode.intersects(enemies[i])) {
 				LK.effects.flashScreen(0xff0000, 1000);
 				LK.showGameOver();
 				return;
 			}
@@ -135,9 +135,9 @@
 	// Update enemies
 	for (var i = enemies.length - 1; i >= 0; i--) {
 		enemies[i].update();
 		// Check for collisions with bullets
-		if (!bullets) {
+		if (!bullets || bullets.length === 0) {
 			return;
 		}
 		for (var j = bullets.length - 1; j >= 0; j--) {
 			if (enemies[i].intersects(bullets[j])) {
@@ -151,9 +151,9 @@
 		// Check for collisions with player
 		if (!player) {
 			return;
 		}
-		if (enemies[i].intersects(player)) {
+		if (player && enemies[i].intersects(player)) {
 			LK.effects.flashScreen(0xff0000, 1000);
 			LK.showGameOver();
 			return;
 		}