/**** 
* Classes
****/ 
// --- Player Class ---
var Player = Container.expand(function () {
	var self = Container.call(this);
	var sprite = self.attachAsset('playerBattery', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// No update needed for static player battery
	return self;
});

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

/**** 
* Game Code
****/ 
// --- Game Variables ---
var player;
var cities = [];
var enemyMissiles = [];
var counterMissiles = [];
var scoreText;
var spawnTimer;
var gameOver = false;
// Cooldown for counter missile firing
var canFire = true;
var fireCooldownTimer = null;
// --- Setup Game Elements ---
function setupGame() {
	// Add player battery at bottom center
	player = new Player();
	player.x = 2048 / 2;
	player.y = 2350;
	game.addChild(player);
	// Add cities to defend
	var cityCount = 5;
	var spacing = 2048 / (cityCount + 1);
	for (var i = 0; i < cityCount; i++) {
		var city = new City();
		city.x = spacing * (i + 1);
		city.y = 2650;
		game.addChild(city);
		cities.push(city);
	}
	// Remove any leftover ashes from previous games
	if (typeof game !== "undefined" && game.children) {
		for (var i = game.children.length - 1; i >= 0; i--) {
			var obj = game.children[i];
			if (obj && obj.constructor && obj.constructor.name === "Ashes") {
				game.removeChild(obj);
			}
		}
	}
	;
	// --- Update explosions ---
	if (typeof explosions === "undefined") {
		explosions = [];
	}
	// Find all explosions in game.children and update them, remove if destroyed
	for (var i = game.children.length - 1; i >= 0; i--) {
		var obj = game.children[i];
		if (obj && obj.update && obj.constructor && obj.constructor.name === "Explosion") {
			obj.update();
			if (obj.destroyed) {
				game.removeChild(obj);
			}
		}
	}
	// Score text
	scoreText = new Text2('0', {
		size: 120,
		fill: "#fff"
	});
	scoreText.anchor.set(0.5, 0);
	LK.gui.top.addChild(scoreText);
	// Start enemy missile spawn timer
	spawnTimer = LK.setInterval(spawnEnemyMissile, 60 * 8);
}
// --- Calculate enemy missile speed based on score ---
function getEnemyMissileSpeed() {
	// Base speed is 6, increases up to +10 as score increases, capped at 16
	var base = 6;
	var max = 16;
	var score = LK.getScore();
	var speed = base + Math.min(10, Math.floor(score / 500));
	return Math.min(speed, max);
}
// --- Enemy Missile Spawner ---
function spawnEnemyMissile() {
	if (gameOver) return;
	var missile = new EnemyMissile();
	missile.x = 200 + Math.random() * (2048 - 400);
	missile.y = -80;
	missile.speed = getEnemyMissileSpeed();
	// Target a random city that is not destroyed
	var aliveCities = cities.filter(function (c) {
		return !c.destroyed;
	});
	if (aliveCities.length === 0) return;
	var targetCity = aliveCities[Math.floor(Math.random() * aliveCities.length)];
	missile.targetX = targetCity.x;
	missile.targetY = targetCity.y - 40;
	enemyMissiles.push(missile);
	game.addChild(missile);
}
// --- Game Touch: Launch CounterMissile ---
game.down = function (x, y, obj) {
	if (gameOver) return;
	if (!canFire) return;
	// Only allow firing from above the player
	if (y < player.y - 100) {
		var missile = new CounterMissile();
		missile.x = player.x;
		missile.y = player.y - 60;
		missile.setTarget(x, y);
		counterMissiles.push(missile);
		game.addChild(missile);
		// Start cooldown
		canFire = false;
		if (fireCooldownTimer !== null) {
			LK.clearTimeout(fireCooldownTimer);
		}
		fireCooldownTimer = LK.setTimeout(function () {
			canFire = true;
			fireCooldownTimer = null;
		}, 300);
	}
};
// --- Game Update Loop ---
game.update = function () {
	if (gameOver) return;
	// Update enemy missiles
	for (var i = enemyMissiles.length - 1; i >= 0; i--) {
		var em = enemyMissiles[i];
		em.update();
		// Check if hit a city
		for (var j = 0; j < cities.length; j++) {
			var city = cities[j];
			if (!city.destroyed && em.intersects(city)) {
				city.destroyCity();
				em.destroy();
				enemyMissiles.splice(i, 1);
				// Check for game over
				if (cities.filter(function (c) {
					return !c.destroyed;
				}).length === 0) {
					gameOver = true;
					LK.showGameOver();
				}
				break;
			}
		}
		// Remove if off screen
		if (em.y > 2732) {
			em.destroy();
			enemyMissiles.splice(i, 1);
		}
	}
	// Update counter missiles
	for (var i = counterMissiles.length - 1; i >= 0; i--) {
		var cm = counterMissiles[i];
		cm.update();
		// Remove if off screen
		if (cm.x < 0 || cm.x > 2048 || cm.y < 0 || cm.y > 2732) {
			cm.destroy();
			counterMissiles.splice(i, 1);
			continue;
		}
		// Check for collision with enemy missiles
		for (var j = enemyMissiles.length - 1; j >= 0; j--) {
			var em = enemyMissiles[j];
			if (cm.intersects(em)) {
				// Spawn explosion at collision point
				var explosion = new Explosion();
				explosion.x = em.x;
				explosion.y = em.y;
				game.addChild(explosion);
				// Destroy both
				cm.destroy();
				em.destroy();
				counterMissiles.splice(i, 1);
				enemyMissiles.splice(j, 1);
				// Score
				LK.setScore(LK.getScore() + 100);
				scoreText.setText(LK.getScore());
				break;
			}
		}
	}
};
// --- Start Game ---
setupGame();

===================================================================
--- original.js
+++ change.js
@@ -1,5 +1,19 @@
 /**** 
+* Classes
+****/ 
+// --- Player Class ---
+var Player = Container.expand(function () {
+	var self = Container.call(this);
+	var sprite = self.attachAsset('playerBattery', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	// No update needed for static player battery
+	return self;
+});
+
+/**** 
 * Initialize Game
 ****/ 
 var game = new LK.Game({
 	backgroundColor: 0x000000