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

/**** 
* Classes
****/ 
var Boss = Container.expand(function () {
	var self = Container.call(this);
	self.health = 200;
	self.maxHealth = 200;
	self.speed = 4;
	self.fireRate = 90;
	self.fireTimer = 0;
	self.mineFireRate = 180;
	self.mineFireTimer = 60;
	self.scoreValue = 500;
	self.movingRight = true;
	// Create boss graphics (larger enemy ship)
	var bossGraphics = self.attachAsset('bossShip', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 1.5,
		scaleY: 1.5
	});
	// Create boss health bar background
	self.healthBarBg = LK.getAsset('healthBarBackground', {
		anchorX: 0.5,
		anchorY: 0,
		scaleX: 2,
		scaleY: 1,
		y: -100
	});
	// Create boss health bar
	self.healthBar = LK.getAsset('healthBar', {
		anchorX: 0.5,
		anchorY: 0,
		scaleX: 2,
		scaleY: 1,
		y: -95
	});
	self.addChild(self.healthBarBg);
	self.addChild(self.healthBar);
	self.takeDamage = function (amount) {
		self.health -= amount;
		// Update health bar
		self.healthBar.scale.x = self.health / self.maxHealth * 2;
		if (self.health <= 0) {
			// Boss explosion effect - bigger and longer
			LK.effects.flashObject(self, 0xff0000, 1000);
			LK.getSound('explosion').play();
			// Always spawn a clone power-up when boss is defeated
			var clonePowerUp = new ClonePowerUp();
			clonePowerUp.x = self.x;
			clonePowerUp.y = self.y;
			clonePowerUps.push(clonePowerUp);
			game.addChild(clonePowerUp);
			return true; // Boss is destroyed
		} else {
			// Flash red when taking damage
			LK.effects.flashObject(self, 0xff0000, 200);
			return false;
		}
	};
	self.shootBullet = function () {
		if (self.fireTimer <= 0) {
			// Shoot multiple bullets in a spread pattern
			for (var i = -2; i <= 2; i++) {
				var bullet = new EnemyBullet();
				bullet.x = self.x + i * 30;
				bullet.y = self.y + 80;
				enemyBullets.push(bullet);
				game.addChild(bullet);
			}
			LK.getSound('enemyShoot').play();
			self.fireTimer = self.fireRate;
		}
	};
	self.shootMine = function () {
		if (self.mineFireTimer <= 0) {
			var mine = new Mine();
			mine.x = self.x;
			mine.y = self.y + 100;
			enemyBullets.push(mine);
			game.addChild(mine);
			LK.getSound('enemyShoot').play();
			self.mineFireTimer = self.mineFireRate;
		}
	};
	self.update = function () {
		// Basic movement pattern - side to side
		if (self.movingRight) {
			self.x += self.speed;
			if (self.x > 2048 - 200) {
				self.movingRight = false;
			}
		} else {
			self.x -= self.speed;
			if (self.x < 200) {
				self.movingRight = true;
			}
		}
		// Decrease fire timers
		self.fireTimer--;
		self.mineFireTimer--;
		// Shoot regular bullets
		if (self.fireTimer <= 0) {
			self.shootBullet();
		}
		// Shoot mines
		if (self.mineFireTimer <= 0) {
			self.shootMine();
		}
	};
	return self;
});
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	self.speed = 15;
	self.damage = 1;
	self.isPlayerBullet = true;
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		if (self.isAutoHit && self.targetEnemy && enemies.includes(self.targetEnemy)) {
			// Auto-hit bullets home in on their target
			var dx = self.targetEnemy.x - self.x;
			var dy = self.targetEnemy.y - self.y;
			var dist = Math.hypot(dx, dy);
			// If we're very close to the enemy, hit it automatically
			if (dist < 30) {
				// Handle direct hit
				var destroyed = self.targetEnemy.takeDamage(self.damage);
				if (destroyed) {
					enemiesDefeated++;
					totalEnemiesDefeated++;
					LK.setScore(LK.getScore() + self.targetEnemy.scoreValue);
					scoreTxt.setText('Score: ' + LK.getScore());
					self.targetEnemy.destroy();
					enemies.splice(enemies.indexOf(self.targetEnemy), 1);
				}
				// Mark bullet for removal
				self.y = -100; // This will cause bullet to be removed in game.update
			} else {
				// Home in on the target with perfect tracking
				self.vx = dx / dist * self.speed * 1.5;
				self.vy = dy / dist * self.speed * 1.5;
				self.x += self.vx;
				self.y += self.vy;
				// Rotate bullet to face direction of travel
				self.rotation = Math.atan2(self.vy, self.vx);
			}
		} else if (self.hasCustomVelocity) {
			// Use vectorized movement if bullet has custom velocity
			self.x += self.vx;
			self.y += self.vy;
			// Rotate bullet to face direction of travel
			self.rotation = Math.atan2(self.vy, self.vx);
		} else {
			// Default upward movement
			self.y -= self.speed;
		}
	};
	return self;
});
var ClonePowerUp = Container.expand(function () {
	var self = Container.call(this);
	var powerUpGraphics = self.attachAsset('powerUp', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2,
		scaleY: 2
	});
	// Set to cyan color
	powerUpGraphics.tint = 0x00FFFF;
	self.speed = 2;
	self.update = function () {
		self.y += self.speed;
		// Pulse effect
		var scale = 2 + Math.sin(LK.ticks * 0.15) * 0.2;
		self.scale.set(scale, scale);
	};
	return self;
});
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	self.health = 2;
	self.speed = 3 + Math.random() * 2;
	self.fireRate = 90 + Math.floor(Math.random() * 60);
	self.fireTimer = Math.floor(Math.random() * 60);
	self.scoreValue = 10;
	self.movingRight = Math.random() > 0.5;
	self.moveCounter = 0;
	self.moveChangeTime = 60 + Math.floor(Math.random() * 120);
	var enemyGraphics = self.attachAsset('enemyShip', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.takeDamage = function (amount) {
		self.health -= amount;
		if (self.health <= 0) {
			// Chance to drop regular power up
			if (Math.random() < 0.15) {
				var powerUp = new PowerUp();
				powerUp.x = self.x;
				powerUp.y = self.y;
				powerUps.push(powerUp);
				game.addChild(powerUp);
			}
			// Small chance to drop clone power up
			if (Math.random() < 0.05) {
				var clonePowerUp = new ClonePowerUp();
				clonePowerUp.x = self.x;
				clonePowerUp.y = self.y;
				clonePowerUps.push(clonePowerUp);
				game.addChild(clonePowerUp);
			}
			// Explosion effect
			LK.effects.flashObject(self, 0xff0000, 300);
			LK.getSound('explosion').play();
			return true; // Enemy is destroyed
		} else {
			// Flash red when taking damage
			LK.effects.flashObject(self, 0xff0000, 200);
			return false;
		}
	};
	self.shoot = function () {
		if (self.fireTimer <= 0) {
			var bullet = new EnemyBullet();
			bullet.x = self.x;
			bullet.y = self.y + 40;
			enemyBullets.push(bullet);
			game.addChild(bullet);
			LK.getSound('enemyShoot').play();
			self.fireTimer = self.fireRate;
		}
	};
	self.update = function () {
		// Basic movement pattern
		self.y += self.speed * 0.5;
		// Horizontal movement
		if (self.movingRight) {
			self.x += self.speed;
		} else {
			self.x -= self.speed;
		}
		// Reverse direction if reaching screen edges
		if (self.x < 100) {
			self.movingRight = true;
		} else if (self.x > 2048 - 100) {
			self.movingRight = false;
		}
		// Randomly change direction
		self.moveCounter++;
		if (self.moveCounter >= self.moveChangeTime) {
			self.movingRight = !self.movingRight;
			self.moveCounter = 0;
		}
		// Decrease fire timer and shoot
		self.fireTimer--;
		if (self.fireTimer <= 0) {
			self.shoot();
		}
	};
	return self;
});
var EnemyBullet = Container.expand(function () {
	var self = Container.call(this);
	self.speed = 8;
	self.damage = 1;
	self.isPlayerBullet = false;
	var bulletGraphics = self.attachAsset('enemyBullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		self.y += self.speed;
	};
	return self;
});
var Mine = Container.expand(function () {
	var self = Container.call(this);
	self.speed = 4;
	self.damage = 15;
	self.isPlayerBullet = false;
	self.rotationSpeed = 0.05;
	var mineGraphics = self.attachAsset('enemyBullet', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 2,
		scaleY: 2
	});
	mineGraphics.tint = 0xFF5500;
	self.update = function () {
		self.y += self.speed;
		self.rotation += self.rotationSpeed;
		// Slight wobble movement
		self.x += Math.sin(LK.ticks * 0.1) * 2;
	};
	return self;
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	self.health = 100;
	self.maxHealth = 100;
	self.speed = 10;
	self.fireRate = 15;
	self.fireTimer = 0;
	self.powerUpTimer = 0;
	self.hasPowerUp = false;
	self.invincible = false;
	self.invincibleTimer = 0;
	var playerGraphics = self.attachAsset('playerShip', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.takeDamage = function (amount) {
		if (self.invincible) return;
		self.health -= amount;
		if (self.health <= 0) {
			self.health = 0;
		} else {
			// Flash player when taking damage
			self.invincible = true;
			self.invincibleTimer = 60; // 1 second invincibility
			LK.effects.flashObject(self, 0xff0000, 1000);
			LK.getSound('playerHit').play();
		}
	};
	self.shoot = function () {
		if (self.fireTimer <= 0) {
			var bullet = new Bullet();
			bullet.x = self.x;
			bullet.y = self.y - 50;
			// If player has power up, enhance bullet
			if (self.hasPowerUp) {
				bullet.damage = 2;
				bullet.speed = 20;
				bullet.scale.set(1.5, 1.5);
			}
			bullets.push(bullet);
			game.addChild(bullet);
			LK.getSound('shoot').play();
			self.fireTimer = self.fireRate;
		}
	};
	self.update = function () {
		// Decrease fire timer
		if (self.fireTimer > 0) {
			self.fireTimer--;
		}
		// Handle power up timer
		if (self.hasPowerUp) {
			self.powerUpTimer--;
			if (self.powerUpTimer <= 0) {
				self.hasPowerUp = false;
				playerGraphics.tint = 0xFFFFFF;
			}
		}
		// Handle invincibility timer
		if (self.invincible) {
			self.invincibleTimer--;
			if (self.invincibleTimer <= 0) {
				self.invincible = false;
			}
			// Flicker effect during invincibility
			self.alpha = LK.ticks % 6 < 3 ? 0.7 : 1;
		} else {
			self.alpha = 1;
		}
	};
	self.activatePowerUp = function () {
		self.hasPowerUp = true;
		self.powerUpTimer = 300; // 5 seconds
		playerGraphics.tint = 0x2ecc71; // Green tint when powered up
		LK.getSound('powerUpCollect').play();
	};
	return self;
});
var PlayerClone = Container.expand(function () {
	var self = Container.call(this);
	self.health = 50;
	self.maxHealth = 50;
	self.target = null;
	self.speed = 2; // Super slow speed (was 8)
	self.fireRate = 80; // Even slower fire rate
	self.fireTimer = 0;
	// Create clone graphics (same as player but with different tint)
	var cloneGraphics = self.attachAsset('playerShip', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: 0.7,
		scaleY: 0.7
	});
	cloneGraphics.tint = 0x00FFFF; // Cyan tint
	// Create health bar background
	self.healthBarBg = LK.getAsset('healthBarBackground', {
		anchorX: 0.5,
		anchorY: 0,
		scaleX: 0.3,
		scaleY: 0.3,
		y: -40
	});
	// Create health bar
	self.healthBar = LK.getAsset('healthBar', {
		anchorX: 0.5,
		anchorY: 0,
		scaleX: 0.3,
		scaleY: 0.3,
		y: -38
	});
	self.addChild(self.healthBarBg);
	self.addChild(self.healthBar);
	self.takeDamage = function (amount) {
		self.health -= amount;
		// Update health bar
		self.healthBar.scale.x = self.health / self.maxHealth * 0.3;
		if (self.health <= 0) {
			// Clone destruction effect
			LK.effects.flashObject(self, 0x00FFFF, 500);
			LK.getSound('playerHit').play();
			return true; // Clone is destroyed
		} else {
			// Flash cyan when taking damage
			LK.effects.flashObject(self, 0x00FFFF, 200);
			return false;
		}
	};
	self.shoot = function () {
		if (self.fireTimer <= 0) {
			// Shoot auto-hit bullets in 4 cardinal directions (up, down, left, right)
			for (var i = 0; i < 4; i++) {
				var angle = i * Math.PI / 2; // 90 degree increments (cardinal directions only)
				// Only shoot if there are enemies to hit
				if (enemies.length > 0) {
					// Find a random enemy to hit directly
					var targetEnemy = enemies[Math.floor(Math.random() * enemies.length)];
					var bullet = new Bullet();
					bullet.x = self.x;
					bullet.y = self.y;
					bullet.damage = 10; // More damage for auto-hit bullets
					bullet.isAutoHit = true; // Mark this as an auto-hit bullet
					bullet.targetEnemy = targetEnemy; // Store the target enemy
					bullet.speed = 20;
					bullet.scale.set(1.2, 1.2);
					// Set initial direction based on cardinal direction
					var dirX = Math.cos(angle);
					var dirY = Math.sin(angle);
					bullet.vx = dirX * bullet.speed;
					bullet.vy = dirY * bullet.speed;
					bullet.hasCustomVelocity = true;
					bullets.push(bullet);
					game.addChild(bullet);
				}
			}
			LK.getSound('shoot').play();
			self.fireTimer = self.fireRate; // Slower fire rate
		}
	};
	self.findTarget = function () {
		if (enemies.length > 0) {
			// Just find the closest enemy for movement purposes
			var closest = enemies[0];
			var closestDist = Math.hypot(closest.x - self.x, closest.y - self.y);
			for (var i = 1; i < enemies.length; i++) {
				var dist = Math.hypot(enemies[i].x - self.x, enemies[i].y - self.y);
				if (dist < closestDist) {
					closest = enemies[i];
					closestDist = dist;
				}
			}
			self.target = closest;
		} else {
			self.target = null;
		}
	};
	self.update = function () {
		// Find a target if we don't have one or current target is destroyed
		if (!self.target || !enemies.includes(self.target)) {
			self.findTarget();
		}
		// Always shoot if we can, regardless of position
		if (self.fireTimer <= 0) {
			self.shoot();
		}
		// Move toward target
		if (self.target) {
			var dx = self.target.x - self.x;
			var dy = self.target.y - self.y;
			var dist = Math.hypot(dx, dy);
			// Update rotation to face the target
			self.rotation = Math.atan2(dy, dx);
			if (dist > 200) {
				// Move toward target if not too close - super slow!
				self.x += dx / dist * self.speed;
				self.y += dy / dist * self.speed;
			} else {
				// When close, just shoot (but don't try to get closer)
				// No need to call shoot here as we do it regardless now
			}
		} else {
			// No target, move back toward player
			var dx = player.x - self.x;
			var dy = player.y - 150 - self.y;
			var dist = Math.hypot(dx, dy);
			// Update rotation to face direction of movement
			if (dist > 10) {
				self.rotation = Math.atan2(dy, dx);
			}
			if (dist > 50) {
				self.x += dx / dist * self.speed;
				self.y += dy / dist * self.speed;
			}
		}
		// Decrease fire timer
		if (self.fireTimer > 0) {
			self.fireTimer--;
		}
		// Update health bar position
		self.healthBarBg.x = 0;
		self.healthBar.x = 0;
	};
	return self;
});
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	var powerUpGraphics = self.attachAsset('powerUp', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 3;
	self.update = function () {
		self.y += self.speed;
		// Slight wobble effect
		self.x += Math.sin(LK.ticks * 0.1) * 1.5;
		// Pulse effect
		var scale = 1 + Math.sin(LK.ticks * 0.15) * 0.1;
		self.scale.set(scale, scale);
	};
	return self;
});

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

/**** 
* Game Code
****/ 
// Game state variables
var gameActive = true;
var player;
var bullets = [];
var enemies = [];
var enemyBullets = [];
var powerUps = [];
var clonePowerUps = [];
var playerClones = [];
var waveNumber = 1;
var enemiesThisWave = 5;
var enemiesDefeated = 0;
var totalEnemiesDefeated = 0;
var waveDelay = 0;
var spawnDelay = 0;
var dragNode = null;
var boss = null;
var isBossWave = false;
var clonePowerUpSpawnTimer = 0;
// GUI elements
var healthBar;
var healthBarBg;
var scoreTxt;
var waveTxt;
var signTxt;
// Initialize game elements
function initGame() {
	// Set background
	game.setBackgroundColor(0x0a0a2a);
	// Initialize player
	player = new Player();
	player.x = 2048 / 2;
	player.y = 2732 - 300;
	game.addChild(player);
	// Create GUI elements
	createGUI();
	// Start game
	gameActive = true;
	waveNumber = 1;
	enemiesThisWave = 5;
	enemiesDefeated = 0;
	totalEnemiesDefeated = 0;
	playerClones = [];
	clonePowerUps = [];
	LK.setScore(0);
	// Play background music
	LK.playMusic('bgMusic', {
		fade: {
			start: 0,
			end: 0.7,
			duration: 1000
		}
	});
}
function createGUI() {
	// Health bar background
	healthBarBg = LK.getAsset('healthBarBackground', {
		anchorX: 0,
		anchorY: 0,
		x: 20,
		y: 20
	});
	// Health bar
	healthBar = LK.getAsset('healthBar', {
		anchorX: 0,
		anchorY: 0,
		x: 25,
		y: 25
	});
	// Score text
	scoreTxt = new Text2('Score: 0', {
		size: 60,
		fill: 0xFFFFFF
	});
	scoreTxt.anchor.set(1, 0);
	// Wave text
	waveTxt = new Text2('Wave: 1', {
		size: 60,
		fill: 0xFFFFFF
	});
	waveTxt.anchor.set(0.5, 0);
	// Create sign
	signTxt = new Text2('cyan powerup = slow clone with auto-hit bullets!', {
		size: 80,
		fill: 0xFFFFFF
	});
	signTxt.anchor.set(1, 1);
	// Add GUI elements
	LK.gui.topRight.addChild(scoreTxt);
	LK.gui.top.addChild(waveTxt);
	LK.gui.topLeft.addChild(healthBarBg);
	LK.gui.topLeft.addChild(healthBar);
	LK.gui.bottomRight.addChild(signTxt);
}
// Spawn a wave of enemies
function spawnEnemyWave() {
	// Check if this is a boss wave (every 3 waves after wave 3)
	if (waveNumber >= 3 && (waveNumber - 3) % 3 === 0) {
		isBossWave = true;
		// Show boss warning message
		var bossWarning = new Text2('BOSS INCOMING!', {
			size: 120,
			fill: 0xFF0000
		});
		bossWarning.anchor.set(0.5, 0.5);
		LK.gui.center.addChild(bossWarning);
		// Fade out warning message
		tween(bossWarning, {
			alpha: 0
		}, {
			duration: 2000,
			onFinish: function onFinish() {
				bossWarning.destroy();
				// Spawn the boss
				if (!gameActive) return;
				boss = new Boss();
				boss.x = 2048 / 2;
				boss.y = 200;
				enemies.push(boss);
				game.addChild(boss);
			}
		});
	} else {
		isBossWave = false;
		// Regular enemy wave
		for (var i = 0; i < enemiesThisWave; i++) {
			// Set a delay for each enemy spawn
			LK.setTimeout(function () {
				if (!gameActive) return;
				var enemy = new Enemy();
				enemy.x = 200 + Math.random() * (2048 - 400);
				enemy.y = -100 - Math.random() * 400;
				// Increase difficulty with each wave
				if (waveNumber > 1) {
					enemy.health += Math.floor(waveNumber / 2);
					enemy.speed += waveNumber * 0.2;
					enemy.scoreValue += waveNumber * 2;
				}
				enemies.push(enemy);
				game.addChild(enemy);
			}, i * 1000);
		}
	}
}
// Handle player movement
function handleMove(x, y, obj) {
	if (dragNode && gameActive) {
		// Limit player movement to screen bounds
		var newX = Math.max(50, Math.min(2048 - 50, x));
		var newY = Math.max(50, Math.min(2732 - 50, y));
		dragNode.x = newX;
		dragNode.y = newY;
	}
}
// Game down handler
game.down = function (x, y, obj) {
	if (gameActive) {
		dragNode = player;
		handleMove(x, y, obj);
		// Shoot when pressing down
		player.shoot();
	}
};
// Game move handler
game.move = handleMove;
// Game up handler
game.up = function (x, y, obj) {
	dragNode = null;
};
// Update game state
game.update = function () {
	if (!gameActive) return;
	// Update player
	player.update();
	// Auto-fire for player
	if (LK.ticks % 10 === 0) {
		player.shoot();
	}
	// Update health bar
	healthBar.scale.x = player.health / player.maxHealth;
	// Update player clones
	for (var i = playerClones.length - 1; i >= 0; i--) {
		var clone = playerClones[i];
		clone.update();
		// Remove destroyed clones
		if (clone.health <= 0) {
			clone.destroy();
			playerClones.splice(i, 1);
		}
	}
	// Update clone power-ups
	for (var i = clonePowerUps.length - 1; i >= 0; i--) {
		var clonePowerUp = clonePowerUps[i];
		clonePowerUp.update();
		// Remove power-ups that go off screen
		if (clonePowerUp.y > 2732 + 50) {
			clonePowerUp.destroy();
			clonePowerUps.splice(i, 1);
			continue;
		}
		// Check for player collision
		if (gameActive && clonePowerUp.intersects(player)) {
			// Only create a new clone if we have less than 2
			if (playerClones.length < 2) {
				// Create a new player clone
				var newClone = new PlayerClone();
				newClone.x = player.x + 150;
				newClone.y = player.y - 150;
				playerClones.push(newClone);
				game.addChild(newClone);
				// Play power-up sound
				LK.getSound('powerUpCollect').play();
			} else {
				// Flash player to indicate max clones reached
				LK.effects.flashObject(player, 0x00FFFF, 300);
			}
			// Remove the power-up
			clonePowerUp.destroy();
			clonePowerUps.splice(i, 1);
		}
	}
	// Update bullets
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		bullet.update();
		// Remove bullets that go off screen
		if (bullet.y < -50) {
			bullet.destroy();
			bullets.splice(i, 1);
			continue;
		}
		// Check for enemy collisions
		for (var j = enemies.length - 1; j >= 0; j--) {
			var enemy = enemies[j];
			if (bullet.intersects(enemy)) {
				// Enemy takes damage
				var destroyed = enemy.takeDamage(bullet.damage);
				if (destroyed) {
					enemiesDefeated++;
					totalEnemiesDefeated++;
					LK.setScore(LK.getScore() + enemy.scoreValue);
					scoreTxt.setText('Score: ' + LK.getScore());
					enemy.destroy();
					enemies.splice(j, 1);
				}
				// Remove bullet
				bullet.destroy();
				bullets.splice(i, 1);
				break;
			}
		}
	}
	// Update enemy bullets
	for (var i = enemyBullets.length - 1; i >= 0; i--) {
		var bullet = enemyBullets[i];
		bullet.update();
		// Remove bullets that go off screen
		if (bullet.y > 2732 + 50) {
			bullet.destroy();
			enemyBullets.splice(i, 1);
			continue;
		}
		// Check for player collision
		if (gameActive && bullet.intersects(player)) {
			player.takeDamage(bullet.damage);
			bullet.destroy();
			enemyBullets.splice(i, 1);
			// Check if player is defeated
			if (player.health <= 0) {
				gameActive = false;
				LK.showGameOver();
			}
			continue;
		}
		// Check for clone collisions
		var cloneHit = false;
		for (var j = playerClones.length - 1; j >= 0; j--) {
			var clone = playerClones[j];
			if (bullet.intersects(clone)) {
				var destroyed = clone.takeDamage(bullet.damage);
				if (destroyed) {
					clone.destroy();
					playerClones.splice(j, 1);
				}
				bullet.destroy();
				enemyBullets.splice(i, 1);
				cloneHit = true;
				break;
			}
		}
		if (cloneHit) continue;
	}
	// Update enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		var enemy = enemies[i];
		enemy.update();
		// Enemies die when they reach the bottom of the screen
		if (enemy.y > 2732 - 50) {
			// Grant score for the enemy
			LK.setScore(LK.getScore() + enemy.scoreValue);
			scoreTxt.setText('Score: ' + LK.getScore());
			// Show explosion effect
			LK.effects.flashObject(enemy, 0xff0000, 300);
			LK.getSound('explosion').play();
			// Remove the enemy
			enemy.destroy();
			enemies.splice(i, 1);
			continue;
		}
		// Check for collision with player
		if (gameActive && enemy.intersects(player)) {
			player.takeDamage(10);
			// Destroy enemy on collision
			enemy.destroy();
			enemies.splice(i, 1);
			// Check if player is defeated
			if (player.health <= 0) {
				gameActive = false;
				LK.showGameOver();
			}
		}
	}
	// Update power-ups
	for (var i = powerUps.length - 1; i >= 0; i--) {
		var powerUp = powerUps[i];
		powerUp.update();
		// Remove power-ups that go off screen
		if (powerUp.y > 2732 + 50) {
			powerUp.destroy();
			powerUps.splice(i, 1);
			continue;
		}
		// Check for player collision
		if (gameActive && powerUp.intersects(player)) {
			player.activatePowerUp();
			powerUp.destroy();
			powerUps.splice(i, 1);
		}
	}
	// Check if wave is complete - we simply need to check if enemies array is empty
	if (enemies.length === 0 && waveDelay <= 0) {
		// Start next wave
		waveNumber++;
		enemiesThisWave = 5 + waveNumber * 2;
		enemiesDefeated = 0;
		waveTxt.setText('Wave: ' + waveNumber);
		// Show wave message
		var waveMessage = new Text2('WAVE ' + waveNumber, {
			size: 120,
			fill: 0xFFFFFF
		});
		waveMessage.anchor.set(0.5, 0.5);
		LK.gui.center.addChild(waveMessage);
		// Fade out wave message
		tween(waveMessage, {
			alpha: 0
		}, {
			duration: 2000,
			onFinish: function onFinish() {
				waveMessage.destroy();
			}
		});
		// Set delay before spawning next wave
		waveDelay = 120; // 2 seconds
	}
	// Count down wave delay
	if (waveDelay > 0) {
		waveDelay--;
		if (waveDelay === 0) {
			// Spawn next wave
			spawnEnemyWave();
		}
	}
	// Count down spawn delay
	if (spawnDelay > 0) {
		spawnDelay--;
		if (spawnDelay === 0) {
			// Start first wave
			spawnEnemyWave();
		}
	}
};
// Initialize the game
initGame();
// Set a short delay before spawning the first wave
spawnDelay = 60; // 1 second