/**** 
* Classes
****/ 
// Bullet class
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		self.y -= self.speed;
		if (self.y < 0 || self.y > 2732) {
			self.destroy();
		}
	};
});
// Enemy class
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.health = 50;
	self.update = function () {
		// Update logic for enemy
		// Calculate direction towards hero
		var dx = hero.x - self.x;
		var dy = hero.y - self.y;
		var distance = Math.sqrt(dx * dx + dy * dy);
		// Normalize the direction
		if (distance > 0) {
			dx /= distance;
			dy /= distance;
		}
		// Move towards the hero
		self.x += dx * self.speed;
		self.y += dy * self.speed;
	};
	self.takeDamage = function (amount) {
		self.health -= amount;
		if (self.health <= 0) {
			self.die();
		}
	};
	self.die = function () {
		// Handle enemy death
		self.destroy();
	};
});
// BossEnemy class
var BossEnemy = Enemy.expand(function () {
	var self = Enemy.call(this);
	self.health = 200; // BossEnemy has more health
});
//<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.health = 100;
	self.speed = 5;
	self.update = function () {
		// Update logic for hero
		// Move hero left if it's not at the edge of the screen
		if (self.x > 0) {
			self.x -= self.speed;
		}
		// Move hero right if it's not at the edge of the screen
		if (self.x < 2048) {
			self.x += self.speed;
		}
	};
	self.takeDamage = function (amount) {
		self.health -= amount;
		if (self.health <= 0) {
			self.die();
		}
	};
	self.die = function () {
		// Handle hero death
		LK.showGameOver();
	};
});

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

/**** 
* Game Code
****/ 
// Initialize hero
var hero = game.addChild(new Hero());
hero.x = 2048 / 2;
hero.y = 2732 - 200;
// Initialize enemies array and spawn position
var enemies = [];
var spawnY = 0;
// Initialize bullets array
var bullets = [];
// Function to shoot bullets
function shootBullet() {
	var bullet = new Bullet();
	bullet.x = hero.x;
	bullet.y = hero.y;
	bullets.push(bullet);
	game.addChild(bullet);
}
// Handle touch events for shooting
game.down = function (x, y, obj) {
	hero.x = x;
	shootBullet();
};
// Update game logic
game.update = function () {
	// Update hero
	hero.update();
	// Update enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		enemies[i].update();
		if (enemies[i].intersects(hero)) {
			hero.takeDamage(10);
			enemies[i].destroy();
			enemies.splice(i, 1);
		}
		// Spawn new enemy at the top of the screen every 30 frames
		if (LK.ticks % 30 == 0) {
			var enemy;
			if (LK.ticks % 600 == 0) {
				// Spawn BossEnemy every 600 frames
				enemy = new BossEnemy();
			} else {
				enemy = new Enemy();
			}
			enemy.x = Math.random() * 2048; // Random x position
			enemy.y = 0; // Spawn at the top of the screen
			enemies.push(enemy);
			game.addChild(enemy);
		}
	}
	// Update bullets
	for (var j = bullets.length - 1; j >= 0; j--) {
		bullets[j].update();
		for (var k = enemies.length - 1; k >= 0; k--) {
			if (bullets[j] && enemies[k].health > 0 && bullets[j].intersects(enemies[k])) {
				enemies[k].takeDamage(20);
				bullets[j].destroy();
				bullets.splice(j, 1);
				break;
			}
		}
	}
};
game.move = function (x, y, obj) {
	hero.x = x;
};

===================================================================
--- original.js
+++ change.js
@@ -131,10 +131,10 @@
 			hero.takeDamage(10);
 			enemies[i].destroy();
 			enemies.splice(i, 1);
 		}
-		// Spawn new enemy at the top of the screen every 60 frames
-		if (LK.ticks % 60 == 0) {
+		// Spawn new enemy at the top of the screen every 30 frames
+		if (LK.ticks % 30 == 0) {
 			var enemy;
 			if (LK.ticks % 600 == 0) {
 				// Spawn BossEnemy every 600 frames
 				enemy = new BossEnemy();