/**** 
* Classes
****/ 
var AsteroidBelt = Container.expand(function () {
	var self = Container.call(this);
	self.asteroids = [];
	self.spawnAsteroids = function () {
		for (var i = 0; i < 4 + Math.random() * 6; i++) {
			var asteroid = new Enemy1();
			asteroid.x = Math.random() * 2048;
			asteroid.y = -50 - i * 100; // Stagger the asteroids vertically
			self.asteroids.push(asteroid);
			game.addChild(asteroid);
			enemies.push(asteroid);
		}
	};
	self.update = function () {
		for (var i = self.asteroids.length - 1; i >= 0; i--) {
			self.asteroids[i].update();
			if (self.asteroids[i].y > 2732 + 50) {
				self.asteroids[i].destroy();
				self.asteroids.splice(i, 1);
			}
		}
	};
});
// Blink effect class
var BlinkEffect = Container.expand(function () {
	var self = Container.call(this);
	self.blink = function (target, times, duration) {
		var blinkInterval = duration / (times * 2);
		var blinkCount = 0;
		var blinkTimer = LK.setInterval(function () {
			target.alpha = target.alpha === 1 ? 0 : 1;
			blinkCount++;
			if (blinkCount >= times * 2) {
				LK.clearInterval(blinkTimer);
				target.alpha = 1; // Ensure the target is visible at the end
			}
		}, blinkInterval);
	};
});
var BossBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5; // Speed of the boss bullet
	self.update = function () {
		self.y += self.speed;
		// Destroy bullet if it goes off screen
		if (self.y > 2732 + 50) {
			self.destroy();
			bossBullets.splice(bossBullets.indexOf(self), 1);
		}
	};
});
var BossEnemy = Container.expand(function () {
	var self = Container.call(this);
	var bossGraphics = self.attachAsset('boss1', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.origSpeedX = 2 + Math.random() * 3; // Random horizontal speed between 2 and 5
	self.origSpeedY = 1 + Math.random() * 2; // Random vertical speed between 1 and 3
	self.speedX = self.origSpeedX;
	self.speedY = self.origSpeedY;
	self.health = 100; // Boss health
	self.barWidth = 600;
	self.healthBar = self.attachAsset('bossHealthBar', {
		anchorX: 0,
		anchorY: 1.0,
		x: -self.barWidth / 2,
		y: -bossGraphics.height / 2 - 15 // Position the health bar above the boss
	});
	self.shootingPeriod = true; // Initialize shooting period
	self.shootingTimer = 0; // Initialize shooting timer
	self.update = function () {
		self.shootingTimer++;
		if (self.shootingTimer > 300) {
			// Switch period every 5 seconds (300 ticks)
			self.shootingPeriod = !self.shootingPeriod;
			self.shootingTimer = 0;
		}
		self.healthBar.width = self.health / 100 * self.barWidth; // Update health bar width based on health
		self.x += self.speedX * Math.sin(LK.ticks / 50);
		self.y += self.speedY + self.speedY * Math.cos(LK.ticks / 50);
		// Bounce off the edges of the screen
		if (self.x < 0 || self.x > 2048) {
			self.speedX *= -1;
		}
		if (self.y < 600 && self.speedY < 0) {
			self.speedY = self.origSpeedY;
		} else if (self.y > 1200 && self.speedY > 0) {
			self.speedY = -self.origSpeedY;
		}
		// Boss shooting logic
		if (self.shootingPeriod && LK.ticks % 60 == 0) {
			// Shoot every second
			var bossBullet = new BossBullet();
			bossBullet.x = self.x;
			bossBullet.y = self.y + bossGraphics.height / 2;
			game.addChild(bossBullet);
			bossBullets.push(bossBullet);
		}
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		var redBoss = self.attachAsset('boss1', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		redBoss.tint = 0xff0000;
		redBoss.alpha = 0;
		var blinkEffect = new BlinkEffect();
		blinkEffect.blink(redBoss, 3, 500);
		LK.setTimeout(function () {
			redBoss.destroy();
		}, 500);
		if (self.health <= 0) {
			enemies.splice(enemies.indexOf(self), 1);
			// Remove all boss bullets
			for (var i = bossBullets.length - 1; i >= 0; i--) {
				bossBullets[i].destroy();
				bossBullets.splice(i, 1);
			}
			self.destroy();
		}
	};
});
var BossEnemy2 = Container.expand(function () {
	var self = Container.call(this);
	var bossGraphics = self.attachAsset('boss2', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.origSpeedX = 2 + Math.random() * 3; // Random horizontal speed between 2 and 5
	self.origSpeedY = 1 + Math.random() * 2; // Random vertical speed between 1 and 3
	self.speedX = self.origSpeedX;
	self.speedY = self.origSpeedY;
	self.health = 150; // Boss health
	self.barWidth = 600;
	self.healthBar = self.attachAsset('bossHealthBar', {
		anchorX: 0,
		anchorY: 1.0,
		x: -self.barWidth / 2,
		y: -bossGraphics.height / 2 - 15 // Position the health bar above the boss
	});
	self.shootingPeriod = true; // Initialize shooting period
	self.shootingTimer = 0; // Initialize shooting timer
	self.update = function () {
		self.shootingTimer++;
		if (self.shootingTimer > 300) {
			// Switch period every 5 seconds (300 ticks)
			self.shootingPeriod = !self.shootingPeriod;
			self.shootingTimer = 0;
		}
		self.healthBar.width = self.health / 150 * self.barWidth; // Update health bar width based on health
		self.x += self.speedX * Math.sin(LK.ticks / 50);
		self.y += self.speedY + self.speedY * Math.cos(LK.ticks / 50);
		// Bounce off the edges of the screen
		if (self.x < 0 || self.x > 2048) {
			self.speedX *= -1;
		}
		if (self.y < 600 && self.speedY < 0) {
			self.speedY = self.origSpeedY;
		} else if (self.y > 1200 && self.speedY > 0) {
			self.speedY = -self.origSpeedY;
		}
		// Boss shooting logic
		if (self.shootingPeriod && LK.ticks % 60 == 0) {
			// Shoot every second
			var bossBullet = new BossBullet();
			bossBullet.x = self.x;
			bossBullet.y = self.y + bossGraphics.height / 2;
			game.addChild(bossBullet);
			bossBullets.push(bossBullet);
		}
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		var redBoss = self.attachAsset('boss2', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		redBoss.tint = 0xff0000;
		redBoss.alpha = 0;
		var blinkEffect = new BlinkEffect();
		blinkEffect.blink(redBoss, 3, 500);
		LK.setTimeout(function () {
			redBoss.destroy();
		}, 500);
		if (self.health <= 0) {
			enemies.splice(enemies.indexOf(self), 1);
			// Remove all boss bullets
			for (var i = bossBullets.length - 1; i >= 0; i--) {
				bossBullets[i].destroy();
				bossBullets.splice(i, 1);
			}
			self.destroy();
		}
	};
});
var BossEnemy3 = Container.expand(function () {
	var self = Container.call(this);
	var bossGraphics = self.attachAsset('boss3', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.origSpeedX = 2 + Math.random() * 3; // Random horizontal speed between 2 and 5
	self.origSpeedY = 1 + Math.random() * 2; // Random vertical speed between 1 and 3
	self.speedX = self.origSpeedX;
	self.speedY = self.origSpeedY;
	self.health = 200; // Boss health
	self.barWidth = 600;
	self.healthBar = self.attachAsset('bossHealthBar', {
		anchorX: 0,
		anchorY: 1.0,
		x: -self.barWidth / 2,
		y: -bossGraphics.height / 2 - 15 // Position the health bar above the boss
	});
	self.shootingPeriod = true; // Initialize shooting period
	self.shootingTimer = 0; // Initialize shooting timer
	self.update = function () {
		self.shootingTimer++;
		if (self.shootingTimer > 300) {
			// Switch period every 5 seconds (300 ticks)
			self.shootingPeriod = !self.shootingPeriod;
			self.shootingTimer = 0;
		}
		self.healthBar.width = self.health / 200 * self.barWidth; // Update health bar width based on health
		self.x += self.speedX * Math.sin(LK.ticks / 50);
		self.y += self.speedY + self.speedY * Math.cos(LK.ticks / 50);
		// Bounce off the edges of the screen
		if (self.x < 0 || self.x > 2048) {
			self.speedX *= -1;
		}
		if (self.y < 600 && self.speedY < 0) {
			self.speedY = self.origSpeedY;
		} else if (self.y > 1200 && self.speedY > 0) {
			self.speedY = -self.origSpeedY;
		}
		// Boss shooting logic
		if (self.shootingPeriod && LK.ticks % 60 == 0) {
			// Shoot every second
			var bossBullet = new BossBullet();
			bossBullet.x = self.x;
			bossBullet.y = self.y + bossGraphics.height / 2;
			game.addChild(bossBullet);
			bossBullets.push(bossBullet);
		}
	};
	self.takeDamage = function (damage) {
		self.health -= damage;
		var redBoss = self.attachAsset('boss3', {
			anchorX: 0.5,
			anchorY: 0.5
		});
		redBoss.tint = 0xff0000;
		redBoss.alpha = 0;
		var blinkEffect = new BlinkEffect();
		blinkEffect.blink(redBoss, 3, 500);
		LK.setTimeout(function () {
			redBoss.destroy();
		}, 500);
		if (self.health <= 0) {
			enemies.splice(enemies.indexOf(self), 1);
			// Remove all boss bullets
			for (var i = bossBullets.length - 1; i >= 0; i--) {
				bossBullets[i].destroy();
				bossBullets.splice(i, 1);
			}
			self.destroy();
		}
	};
});
//<Assets used in the game will automatically appear here>
// 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 - Math.random() * 5; // Random speed between -10 and -15
	self.update = function () {
		self.y += self.speed;
	};
});
// Enemy class
var Enemy1 = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy1', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 3 + Math.random() * 3; // Random speed between 5 and 10
	self.update = function () {
		self.y += self.speed + LK.ticks / 10000; // Increase speed over time
	};
});
var Enemy2 = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy2', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5 + Math.random() * 5; // Random speed between 5 and 10
	self.update = function () {
		self.y += self.speed + LK.ticks / 10000; // Increase speed over time
		self.x += Math.sin(LK.ticks / 100) * 5; // Add a sine wave movement pattern
	};
});
var Enemy3 = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy3', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5 + Math.random() * 5; // Random speed between 5 and 10
	self.update = function () {
		self.y += self.speed + LK.ticks / 10000; // Increase speed over time
		self.x += Math.cos(LK.ticks / 100) * 5; // Add a cosine wave movement pattern
	};
});
// Explosion class
var Explosion = Container.expand(function () {
	var self = Container.call(this);
	var explosionGraphics = self.attachAsset('explosion', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	// Initialize particles array
	self.particles = [];
	// Create particles
	for (var i = 0; i < 50; i++) {
		var particle = self.attachAsset('explosionParticle', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: Math.random() * explosionGraphics.width - explosionGraphics.width / 2,
			y: Math.random() * explosionGraphics.height - explosionGraphics.height / 2
		});
		particle.speedX = Math.random() * 2 - 1;
		particle.speedY = Math.random() * 2 - 1;
		self.particles.push(particle);
	}
	self.update = function () {
		self.alpha -= 0.02; // Fade out
		explosionGraphics.scale.x += 0.05; // Scale up faster
		explosionGraphics.scale.y += 0.05; // Scale up faster
		// Update particles
		for (var i = self.particles.length - 1; i >= 0; i--) {
			self.particles[i].x += self.particles[i].speedX * 5; // Increase speed
			self.particles[i].y += self.particles[i].speedY * 5; // Increase speed
			self.particles[i].rotation += 0.2; // Add rotation
			self.particles[i].alpha -= 0.04;
			if (self.particles[i].alpha <= 0) {
				self.particles[i].destroy();
				self.particles.splice(i, 1);
			}
		}
		if (self.alpha <= 0) {
			self.destroy();
		}
	};
});
// FloatingEnemy class
var FloatingEnemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('floatingEnemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.origSpeedX = 2 + Math.random() * 3; // Random horizontal speed between 2 and 5
	self.origSpeedY = 1 + Math.random() * 2; // Random vertical speed between 1 and 3
	self.speedX = self.origSpeedX;
	self.speedY = self.origSpeedY;
	self.update = function () {
		self.x += self.speedX * Math.sin(LK.ticks / 50);
		self.y += self.speedY + self.speedY * Math.cos(LK.ticks / 50);
		// Bounce off the edges of the screen
		if (self.x < 0 || self.x > 2048) {
			self.speedX *= -1;
		}
		if (self.y < 600 && self.speedY < 0) {
			console.log("enemy out of top");
			self.speedY = self.origSpeedY;
		} else if (self.y > 1200 && self.speedY > 0) {
			self.speedY = -self.origSpeedY;
		}
	};
});
var Planet = Container.expand(function () {
	var self = Container.call(this);
	var planetGraphics = self.attachAsset('planet' + Math.floor(Math.random() * 3 + 1), {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 0.5 + Math.random() * 1.5; // Random speed between 0.5 and 2
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 + planetGraphics.height / 2) {
			self.y = -planetGraphics.height / 2;
			self.x = Math.random() * 2048;
		}
	};
});
// Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	self.baseSpeed = 10;
	self.speed = self.baseSpeed;
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.shoot = function () {
		if (game.isLevelingUp) {
			return;
		}
		var bullet1 = new Bullet();
		bullet1.x = self.x - 20; // Adjust position for dual cannon
		bullet1.y = self.y - playerGraphics.height / 2;
		bullets.push(bullet1);
		game.addChild(bullet1);
		if (powerUpActive) {
			var bullet2 = new Bullet();
			bullet2.x = self.x + 20; // Adjust position for dual cannon
			bullet2.y = self.y - playerGraphics.height / 2;
			bullets.push(bullet2);
			game.addChild(bullet2);
		}
		// Add shooting effect
		var shootingEffect = self.attachAsset('shootingEffect', {
			anchorX: 0.5,
			anchorY: 0.5,
			x: 0,
			y: -playerGraphics.height / 2
		});
		var fadeOutInterval = LK.setInterval(function () {
			shootingEffect.alpha -= 0.1;
			if (shootingEffect.alpha <= 0) {
				LK.clearInterval(fadeOutInterval);
				shootingEffect.destroy();
			}
		}, 20);
		// Add bounceback effect
		self.y += 20; // Move player down by 20 pixels
		LK.setTimeout(function () {
			self.y = 2732 - 200; // Reset player y position to main position
		}, 100);
	};
});
// PowerUpCannons class
var PowerUpCannons = Container.expand(function () {
	var self = Container.call(this);
	var powerUpGraphics = self.attachAsset('powerUp_cannons', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		self.y += 5;
	};
});
// PowerUpSpeed class
var PowerUpSpeed = Container.expand(function () {
	var self = Container.call(this);
	var powerUpGraphics = self.attachAsset('powerUp_speed', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		self.y += 5;
	};
});
// Progress Bar class
var ProgressBar = Container.expand(function () {
	var self = Container.call(this);
	var progressBarGraphics = self.attachAsset('progressBar', {
		anchorX: 0.0,
		anchorY: 0.0
	});
	self.lastLevelUp = 0;
	self.reset = function () {
		progressBarGraphics.width = 0;
		self.lastLevelUp = LK.ticks;
	};
	self.update = function () {
		progressBarGraphics.width = (LK.ticks - self.lastLevelUp) / 1000 * 2048; // Fill the progress bar over time
	};
});
// Star class
var Star = Container.expand(function () {
	var self = Container.call(this);
	var starGraphics = self.attachAsset('star', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	starGraphics.scale.set(1 + .2 * Math.random());
	self.speed = 1 + Math.random() * 3; // Random speed between 1 and 4
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732 + 50) {
			self.y = -50;
		}
	};
});

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

/**** 
* Game Code
****/ 
var asteroidBelt; // Initialize asteroidBelt variable
// Play background music when the game starts
var backgroundMusic = LK.getSound('backgroundMusic');
backgroundMusic.loop = true;
backgroundMusic.play();
// Add initial text 'Tap to shoot and turn!' when the game starts
var initialText = new Text2('Tap to shoot and turn!', {
	size: 150,
	fill: "#ffffff"
});
initialText.anchor.set(0.5, 0.5);
initialText.x = 2048 / 2;
initialText.y = 2732 / 2 + 500;
game.addChild(initialText);
// Remove the initial text after 3 seconds
LK.setTimeout(function () {
	initialText.destroy();
}, 3000);
// Initialize stars array
var stars = [];
// Add stars to the game
for (var i = 0; i < 100; i++) {
	var star = new Star();
	star.x = Math.random() * 2048;
	star.y = Math.random() * 2732;
	stars.push(star);
	game.addChild(star);
}
// Initialize planets array
var planets = [];
// Add planets to the game
for (var i = 0; i < 5; i++) {
	var planet = new Planet();
	planet.x = Math.random() * 2048;
	planet.y = Math.random() * 2732;
	planets.push(planet);
	game.addChild(planet);
}
// Initialize arrays and variables
var bullets = [];
var enemies = [];
var bossBullets = []; // Initialize bossBullets array
var powerUpActive = 0; // Initialize powerUpActive variable
var speedPowerUpActive = 0;
var enemySpawnCounter = 0; // Initialize enemy spawn counter
var powerUps = []; // Initialize powerUps array
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 - 200;
var playerDirection = 1;
// Score display
var score = 0;
var scoreTxt = new Text2('0', {
	size: 150,
	fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var level = 1;
// Initialize progress bar
var progressBar = game.addChild(new ProgressBar());
progressBar.y = 0;
var isMouseDown = false;
// Event listener for mouse down
game.down = function (x, y, obj) {
	player.shoot();
	playerDirection *= -1;
	isMouseDown = true;
};
// Event listener for mouse up
game.up = function (x, y, obj) {
	isMouseDown = false;
};
// Update game state
game.update = function () {
	progressBar.update();
	// Update player's position with speed boost if power-up is active
	//if (isMouseDown) {
	if (!game.isLevelingUp) {
		player.x += (player.speed + speedPowerUpActive * player.speed) * playerDirection;
	}
	//	}
	// Wrap player's position around the screen
	if (player.x > 2048 + player.width / 2) {
		player.x = -player.width / 2;
	} else if (player.x < -player.width / 2) {
		player.x = 2048 + player.width / 2;
		// Change direction if player hits the edge
	}
	var trailStar = new Star();
	trailStar.x = player.x;
	trailStar.y = player.y + 50;
	trailStar.alpha = 0.5;
	trailStar.scale.set(5 + 8 * Math.random());
	trailStar.update = function () {
		this.alpha -= 0.01; // Fade out
		if (this.alpha <= 0) {
			this.destroy();
		}
	};
	game.addChildAt(trailStar, game.getChildIndex(player));
	if (speedPowerUpActive) {
		var trailStar = new Star();
		trailStar.x = player.x;
		trailStar.y = player.y;
		trailStar.alpha = 0.5;
		trailStar.scale.set(5 + 8 * Math.random());
		trailStar.update = function () {
			this.alpha -= 0.01; // Fade out
			if (this.alpha <= 0) {
				this.destroy();
			}
		};
		game.addChildAt(trailStar, game.getChildIndex(player));
	}
	// Update bullets
	for (var i = bullets.length - 1; i >= 0; i--) {
		bullets[i].update();
		if (bullets[i].y < -50) {
			bullets[i].destroy();
			bullets.splice(i, 1);
		}
	}
	// Update boss bullets
	for (var i = bossBullets.length - 1; i >= 0; i--) {
		bossBullets[i].update();
		if (bossBullets[i] && bossBullets[i].intersects(player)) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	}
	// Update enemies
	for (var j = enemies.length - 1; j >= 0; j--) {
		enemies[j].update();
		if (enemies[j].y > 2732 + 50) {
			enemies[j].destroy();
			enemies.splice(j, 1);
		}
	}
	// Check for collisions
	for (var k = bullets.length - 1; k >= 0; k--) {
		for (var l = enemies.length - 1; l >= 0; l--) {
			if (bullets[k].intersects(enemies[l])) {
				if (enemies[l] instanceof BossEnemy || enemies[l] instanceof BossEnemy2 || enemies[l] instanceof BossEnemy3) {
					enemies[l].takeDamage(10); // Boss takes 10 damage per bullet
					bullets[k].destroy();
					bullets.splice(k, 1);
					break;
				}
				var explosion = new Explosion();
				explosion.x = enemies[l].x;
				explosion.y = enemies[l].y;
				game.addChild(explosion);
				bullets[k].destroy();
				if (enemies[l] instanceof Enemy1) {
					enemies[l].destroy();
					score += 1;
				} else if (enemies[l] instanceof Enemy2) {
					enemies[l].destroy();
					score += 2;
				} else if (enemies[l] instanceof Enemy3) {
					enemies[l].destroy();
					score += 3;
				} else if (enemies[l] instanceof FloatingEnemy) {
					enemies[l].destroy();
					score += 4;
				}
				bullets.splice(k, 1);
				enemies.splice(l, 1);
				scoreTxt.setText(score);
				break;
			}
		}
	}
	// Update powerUps
	for (var i = powerUps.length - 1; i >= 0; i--) {
		powerUps[i].update();
		if (powerUps[i].y > 2732 + 50) {
			powerUps[i].destroy();
			powerUps.splice(i, 1);
		}
	}
	// Spawn asteroid belt occasionally
	if (LK.ticks % 600 == 500 && progressBar.width < 2040) {
		// Every 10 seconds
		asteroidBelt = new AsteroidBelt();
		asteroidBelt.spawnAsteroids();
	}
	// Spawn enemies and occasionally power-ups
	if (LK.ticks % 60 == 0 && progressBar.width < 2040) {
		var enemyType = Math.floor(Math.random() * 4) + 1; // Randomly select an enemy type
		var enemy;
		switch (enemyType) {
			case 1:
				enemy = new Enemy1();
				break;
			case 2:
				enemy = new Enemy2();
				break;
			case 3:
				enemy = new Enemy3();
				break;
			case 4:
				enemy = new FloatingEnemy();
				break;
		}
		enemy.x = Math.random() * 2048;
		enemy.y = -50;
		enemies.push(enemy);
		game.addChild(enemy);
		enemySpawnCounter++;
	}
	// Spawn a power-up every 10th enemy with cooldown mechanism
	if (enemySpawnCounter % 10 == 0 && progressBar.width < 2048 && !game.powerUpCooldown) {
		var powerUpType = Math.random() < 0.5 ? PowerUpSpeed : PowerUpCannons; // Randomly select power-up type
		var powerUp = new powerUpType();
		powerUp.x = Math.random() * 2048;
		powerUp.y = -50;
		powerUps.push(powerUp);
		game.addChild(powerUp);
		game.powerUpCooldown = true;
		LK.setTimeout(function () {
			game.powerUpCooldown = false;
		}, 10000); // 10 seconds cooldown
	}
	// Check for powerUp collision with player
	for (var n = powerUps.length - 1; n >= 0; n--) {
		if (powerUps[n].intersects(player)) {
			if (powerUps[n] instanceof PowerUpSpeed) {
				player.speed = player.baseSpeed * 1.25; // Double the player's speed
				speedPowerUpActive = 1;
				LK.setTimeout(function () {
					player.speed = player.baseSpeed; // Reset speed after 10 seconds
					speedPowerUpActive = 0;
				}, 10000);
			} else if (powerUps[n] instanceof PowerUpCannons) {
				powerUpActive = 1; // Activate dual cannons
				LK.setTimeout(function () {
					powerUpActive = 0; // Deactivate dual cannons after 10 seconds
				}, 10000);
			}
			powerUps[n].destroy();
			powerUps.splice(n, 1);
		}
	}
	// Update asteroid belt
	if (asteroidBelt) {
		asteroidBelt.update();
	}
	// Update stars
	for (var i = stars.length - 1; i >= 0; i--) {
		stars[i].update();
	}
	// Update planets
	for (var i = planets.length - 1; i >= 0; i--) {
		planets[i].update();
	}
	// Check if the progress bar is full
	if (game.isLevelingUp) {
		// Speed boost effect for stars
		game.starSpeedIncrease++;
		for (var i = stars.length - 1; i >= 0; i--) {
			stars[i].speed++; // Increase speed by 5 times
		}
	}
	if (progressBar.width >= 2048 && enemies.length == 0 && !game.isLevelingUp) {
		if (!game.hasBossThisLevel) {
			var bossType = level % 3; // Cycle through 3 different bosses
			var bossEnemy;
			switch (bossType) {
				case 0:
					bossEnemy = new BossEnemy();
					break;
				case 1:
					bossEnemy = new BossEnemy2();
					break;
				case 2:
					bossEnemy = new BossEnemy3();
					break;
			}
			bossEnemy.x = 2048 / 2;
			bossEnemy.y = -50;
			enemies.push(bossEnemy);
			game.addChild(bossEnemy);
			game.hasBossThisLevel = true;
			return;
		}
		game.isLevelingUp = true;
		game.starSpeedIncrease = 0;
		var initialPlayerY = player.y;
		var targetPlayerY = initialPlayerY - 500; // Move player up by 500 pixels
		var levelUpDuration = 3000; // 3 seconds
		// Move player upwards
		var moveUpInterval = LK.setInterval(function () {
			player.y -= 300 / (levelUpDuration / 60); // Move up in 60 frames per second
			player.x += (2048 / 2 - player.x) / (levelUpDuration / 60); // Move X position to center
		}, 1000 / 60);
		// Reset player position after moving up
		LK.setTimeout(function () {
			LK.clearInterval(moveUpInterval);
			player.y = initialPlayerY;
			player.x = 2048 / 2; // Reset X position to center
			// Blink player 3 times when a new level starts
			var blinkEffect = new BlinkEffect();
			blinkEffect.blink(player, 3, 1000); // Blink 3 times over 1 second
		}, levelUpDuration);
		game.isLevelingUp = true;
		game.starSpeedIncrease = 0;
		// Reset star speed after 3 seconds
		LK.setTimeout(function () {
			for (var i = stars.length - 1; i >= 0; i--) {
				stars[i].speed -= game.starSpeedIncrease; // Reset speed to original
			}
			// Increase the player's speed
			player.speed += 1;
			// List of nice colors
			var colors = [0x000080, 0x008000, 0x800000, 0x808000, 0x800080, 0x008080];
			// Select a random color from the list
			var randomColor = colors[Math.floor(Math.random() * colors.length)];
			// Change the background color
			game.setBackgroundColor(randomColor);
			// Show a popup with fade-in and fade-out effects
			var levelTextBackground = new Container();
			var levelText = new Text2('Level ' + (level + 1), {
				size: 300,
				fill: "#ffffff"
			});
			levelText.anchor.set(0.5, 0.5);
			levelTextBackground.addChild(levelText);
			levelTextBackground.x = 2048 / 2;
			levelTextBackground.y = 2732 / 2;
			levelTextBackground.alpha = 0; // Start with invisible
			game.addChild(levelTextBackground);
			// Fade-in effect
			var fadeInInterval = LK.setInterval(function () {
				levelTextBackground.alpha += 0.05;
				if (levelTextBackground.alpha >= 1) {
					LK.clearInterval(fadeInInterval);
				}
			}, 50);
			// Remove the text after 2 seconds with fade-out effect
			LK.setTimeout(function () {
				var fadeOutInterval = LK.setInterval(function () {
					levelTextBackground.alpha -= 0.05;
					if (levelTextBackground.alpha <= 0) {
						LK.clearInterval(fadeOutInterval);
						levelTextBackground.destroy();
					}
				}, 50);
			}, 2000);
			level++;
			// Reset the progress bar
			progressBar.reset();
			game.hasBossThisLevel = false;
			game.isLevelingUp = false;
			player.y = initialPlayerY;
		}, 3000);
		// Play a level up sound
		LK.getSound('levelUp').play();
	}
	// Check for game over
	for (var m = enemies.length - 1; m >= 0; m--) {
		if (enemies[m].intersects(player)) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
	}
};

===================================================================
--- original.js
+++ change.js
@@ -516,8 +516,9 @@
 
 /**** 
 * Game Code
 ****/ 
+var asteroidBelt; // Initialize asteroidBelt variable
 // Play background music when the game starts
 var backgroundMusic = LK.getSound('backgroundMusic');
 backgroundMusic.loop = true;
 backgroundMusic.play();