/**** 
* 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.direction = 0;
	self.speed_y = -10;
	self.speed_x = 0;
	self.power = 2;
	self.update = function () {
		self.x += self.speed_x;
		self.y += self.speed_y;
	};
});
// EnemyBullet class
var EnemyBullet = Container.expand(function () {
	var self = Container.call(this);
	self.speed_y = 5; // Default speed for enemy bullets going down
	self.update = function () {
		self.y += self.speed_y;
		if (self.y < 0 || self.y > 2732) {
			self.destroy();
		}
	};
});
// Player class
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.shoot = function () {
		LK.getSound('Player_shoot').play();
		if (powerup_between(0, 5)) {
			split_shot();
			shotside *= -1;
		} else if (powerup_between(5, 15)) {
			split_shot();
			shotside *= -1;
			split_shot();
			shotside *= -1;
		} else if (powerup_between(15, 20)) {
			split_shot();
			shotside *= -1;
			forward_lazer();
		} else if (powerup_between(20, 30)) {
			split_shot();
			shotside *= -1;
			split_shot();
			shotside *= -1;
			forward_lazer();
		} else if (powerup_between(30, 40)) {
			split_shot();
			shotside *= -1;
			split_shot();
			shotside *= -1;
			forward_plazma();
		}
	};
});
// PowerUp class
var PowerUp = Container.expand(function () {
	var self = Container.call(this);
	var powerUpGraphics = self.attachAsset('powerUp', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		self.y += 1;
		self.rotation += Math.PI / 40;
	};
});
var Star = Container.expand(function () {
	var self = Container.call(this);
	var starGraphics = self.attachAsset('depth_1', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = Math.random() * 2 + 1; // Random speed for each star
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732) {
			self.y = -50; // Reset star to top
			self.x = Math.random() * 2048; // Randomize x position
		}
	};
});
// Function to spawn power-ups
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// enemy_1 class
var enemy_1 = Container.expand(function () {
	var self = Container.call(this);
	self.n = 0;
	self.xpos = 0.0;
	self.lives = 1;
	self.maxLives = self.lives; // Store the maximum lives for percentage calculation
	self.healthBarForeground = LK.getAsset('healthBarForeground', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 100,
		height: 10,
		y: -60
	});
	self.addChild(self.healthBarForeground);
	var enemy_1Graphics = self.attachAsset('enemy_1', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 3 + LK.getScore() / 5000;
	self.update = function () {
		self.y += self.speed;
		movement = Math.sin(self.y / 100);
		self.rotation = -movement / 2;
		self.x = self.xpos + movement * enemy_1_movemwnt_amplitude; // Make enemy_1 move in a sine wave
		self.r;
		//self.x = self.xpos + Math.floor(self.y);
	};
});
// enemy_2 class
var enemy_2 = Container.expand(function () {
	var self = Container.call(this);
	self.n = 0;
	self.xpos = 0.0;
	self.lives = 5;
	self.maxLives = self.lives; // Store the maximum lives for percentage calculation
	self.healthBarForeground = LK.getAsset('healthBarForeground', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 100,
		height: 10,
		y: -60
	});
	self.addChild(self.healthBarForeground);
	var enemy_2Graphics = self.attachAsset('enemy_2', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 3 + LK.getScore() / 5000;
	;
	self.update = function () {
		self.y += self.speed;
		self.x = self.xpos + Math.sin(self.y / 100) * enemy_2_movemwnt_amplitude; // Make enemy_2 move in a sine wave
	};
});
// enemy_3 class
var enemy_3 = Container.expand(function () {
	var self = Container.call(this);
	self.n = 0;
	self.xpos = 0.0;
	self.lives = 10;
	self.maxLives = self.lives; // Store the maximum lives for percentage calculation
	self.healthBarForeground = LK.getAsset('healthBarForeground', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 100,
		height: 10,
		y: -60
	});
	self.addChild(self.healthBarForeground);
	self.odd = 0;
	var enemy_3Graphics = self.attachAsset('enemy_3', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 4 + LK.getScore() / 5000;
	;
	self.update = function () {
		self.y += self.speed;
		self.x = self.xpos + self.odd * Math.sin(self.y / 200) * enemy_1_movemwnt_amplitude; // Make enemy_3 move in a sine wave
	};
});
// enemy_4 class
var enemy_4 = Container.expand(function () {
	var self = Container.call(this);
	var enemy_4Graphics = self.attachAsset('enemy_4', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.lives = 8;
	self.maxLives = self.lives; // Store the maximum lives for percentage calculation
	self.healthBarForeground = LK.getAsset('healthBarForeground', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 100,
		height: 10,
		y: -60
	});
	self.addChild(self.healthBarForeground);
	self.speed = Math.random() > 0.5 ? 5 : -5; // Randomize direction
	self.update = function () {
		self.x += self.speed;
		// Randomly shoot bullets up or down
		if (Math.random() < 0.01) {
			// 1% chance to shoot each frame
			var bullet = new EnemyBullet();
			bullet.x = self.x;
			bullet.y = self.y;
			bullet.speed_y = Math.random() > 0.5 ? 5 : -5; // Randomize bullet direction
			bullet.attachAsset('bullet_2', {
				anchorX: 0.5,
				anchorY: 0.5
			});
			game.addChild(bullet);
			// Ensure bullets are deleted when they come off the screen
			bullet.update = function () {
				bullet.y += bullet.speed_y;
				if (bullet.y < 0 || bullet.y > 2732) {
					bullet.destroy();
				}
			};
		}
		// Check if enemy_4 has moved off the screen
		if (self.speed > 0 && self.x > 2048 || self.speed < 0 && self.x < 0) {
			self.destroy();
		}
	};
});
// enemy_5 class
var enemy_5 = Container.expand(function () {
	var self = Container.call(this);
	var enemy_5Graphics = self.attachAsset('enemy_5', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speedX = (Math.random() - 0.5) * 10; // Random horizontal speed
	self.speedY = (Math.random() - 0.5) * 10; // Random vertical speed
	// Random initial position
	if (Math.random() > 0.5) {
		self.x = Math.random() * 2048;
		self.y = Math.random() > 0.5 ? -50 : 2732 + 50;
	} else {
		self.x = Math.random() > 0.5 ? -50 : 2048 + 50;
		self.y = Math.random() * 2732;
	}
	self.lives = 50; // Initialize lives for enemy_5
	self.maxLives = self.lives; // Store the maximum lives for percentage calculation
	self.healthBarForeground = LK.getAsset('healthBarForeground', {
		anchorX: 0.5,
		anchorY: 0.5,
		width: 100,
		height: 10,
		y: -60
	});
	self.addChild(self.healthBarForeground);
	self.update = function () {
		self.x += self.speedX;
		self.y += self.speedY;
		// Check if enemy_5 has moved off the screen
		if (self.x < -50 || self.x > 2048 + 50 || self.y < -50 || self.y > 2732 + 50) {
			self.destroy();
		}
	};
});

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

/**** 
* Game Code
****/ 
var stars = [];
for (var i = 0; i < 100; i++) {
	// Create 100 stars
	var star = new Star();
	star.x = Math.random() * 2048; // Random x position
	star.y = Math.random() * 2732; // Random y position
	stars.push(star);
	game.addChild(star);
}
function powerup_between(a, b) {
	return poweruplevel >= a && poweruplevel < b;
}
function createExplosion(x, y) {
	var explosion = LK.getAsset('explosion', {
		anchorX: 0.5,
		anchorY: 0.5,
		x: x,
		y: y
	});
	game.addChild(explosion);
	LK.effects.flashObject(explosion, 0xFFFFFF, 100);
	LK.setTimeout(function () {
		explosion.destroy();
	}, 100);
}
function forward_lazer() {
	var bullet = new Bullet();
	bullet.x = player.x;
	bullet.y = player.y - 50;
	bullet.power = 2;
	bullet.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	bullets.push(bullet);
	game.addChild(bullet);
}
function forward_plazma() {
	var bullet = new Bullet();
	bullet.x = player.x;
	bullet.y = player.y - 50;
	bullet.speedY = -18;
	bullet.power = 4;
	bullet.attachAsset('plazma', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	bullets.push(bullet);
	game.addChild(bullet);
}
function split_shot() {
	var bullet1 = new Bullet();
	bullet1.x = player.x + 80 * shotside;
	bullet1.y = player.y - 50;
	bullet1.power = 1;
	bullet1.speed_x = -0.9;
	bullet1.attachAsset('bullet2', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	bullets.push(bullet1);
	game.addChild(bullet1);
}
var background = LK.getAsset('background', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2
});
game.addChild(background);
LK.playMusic('background_music', {
	loop: true
});
function spawnPowerUp() {
	var powerUp = new PowerUp();
	powerUp.x = Math.random() * 2048;
	powerUp.y = -50;
	powerUps.push(powerUp);
	game.addChild(powerUp);
}
// Function to spawn enemy_1s
function spawnEnemy_1() {
	if (enemy_1s.length > 1 * enemy_1_wave_length) {
		return;
	}
	var groupX = Math.random() * (2048 - enemy_1_movemwnt_amplitude * 2) + enemy_1_movemwnt_amplitude; // Generate a random x position for the group
	for (var i = 0.0; i < enemy_1_wave_length; i++) {
		var enemy = new enemy_1();
		enemy.n = i;
		enemy.y = -50 - i * 110; // Assign a slightly different y position to each enemy
		enemy.xpos = groupX; // Assign the group x position to the enemy
		enemy.group = enemy_1GroupCount; // Assign the group number to the enemy
		enemy_1s.push(enemy);
		game.addChild(enemy);
	}
	// Increment enemy_1 group counter
	enemy_1GroupCount += 1;
}
// Function to spawn enemy_2s
function spawnEnemy_2() {
	if (enemy_2s.length > 2 * enemy_2_wave_length) {
		return;
	}
	if (LK.getScore() > 200) {
		var groupX = Math.random() * (2048 - enemy_2_movemwnt_amplitude * 2) + enemy_2_movemwnt_amplitude; // Generate a random x position for the group
		for (var i = 0.0; i < enemy_2_wave_length; i++) {
			var groupX = Math.random() * (2048 - enemy_2_movemwnt_amplitude * 2) + enemy_2_movemwnt_amplitude; // Generate a random x position 
			var enemy = new enemy_2();
			enemy.n = i;
			enemy.y = -50 - i * 110; // Assign a slightly different y position to each enemy
			enemy.xpos = groupX; // Assign the group x position to the enemy
			enemy.group = enemy_2GroupCount; // Assign the group number to the enemy
			enemy_2s.push(enemy);
			game.addChild(enemy);
		}
	}
	// Increment enemy_1 group counter
	enemy_2GroupCount += 1;
}
// Function to spawn enemy_3s
function spawnEnemy_3() {
	if (enemy_3s.length > 2 * enemy_3_wave_length) {
		return;
	}
	if (LK.getScore() > 1000) {
		var groupX = Math.random() * (2048 - enemy_3_movemwnt_amplitude * 2) + enemy_3_movemwnt_amplitude; // Generate a random x position for the group
		odd = -1;
		for (var i = 0.0; i < enemy_3_wave_length; i++) {
			var enemy = new enemy_3();
			enemy.n = i;
			enemy.odd = odd;
			enemy.y = -50 - i / 2 * 50; // Assign a slightly different y position to each enemy
			enemy.xpos = groupX; // Assign the group x position to the enemy
			enemy.group = enemy_3GroupCount; // Assign the group number to the enemy
			enemy_3s.push(enemy);
			game.addChild(enemy);
			odd *= -1;
		}
		// Increment enemy_1 group counter
		enemy_3GroupCount += 1;
	}
}
// Function to spawn enemy_4
function spawnEnemy_4() {
	if (LK.getScore() >= 2000) {
		var enemy = new enemy_4();
		enemy.y = Math.random() * 2732; // Random y position
		enemy.x = enemy.speed > 0 ? 0 : 2048; // Start from left or right based on speed
		game.addChild(enemy);
	}
}
// Function to spawn enemy_5
function spawnEnemy_5() {
	if (LK.getScore() > 3000) {
		var enemy = new enemy_5();
		game.addChild(enemy);
	}
}
var powerUpLevelText = new Text2('Power-Up Level: 0', {
	size: 100,
	fill: 0xFFFFFF
});
powerUpLevelText.anchor.set(0, 0);
LK.gui.topLeft.addChild(powerUpLevelText);
// Function to update the power-up level display
function updatePowerUpLevelDisplay() {
	powerUpLevelText.setText('Power-Up Level: ' + poweruplevel);
}
// Example: Update power-up level when player collects a power-up
function onPowerUpCollected() {
	poweruplevel += 1;
	updatePowerUpLevelDisplay();
	if (poweruplevel == 5) {
		LK.getSound('upgrade').play();
	} else if (poweruplevel == 5) {
		LK.getSound('upgrade').play();
	} else if (poweruplevel == 15) {
		LK.getSound('upgrade').play();
	} else if (poweruplevel == 20) {
		LK.getSound('upgrade').play();
	} else if (poweruplevel == 30) {
		LK.getSound('upgrade').play();
	}
}
var scoreText = new Text2('Score: 0', {
	size: 100,
	fill: 0xFFFFFF
});
scoreText.anchor.set(1, 0);
LK.gui.topRight.addChild(scoreText);
// Function to update the score display
function updateScoreDisplay() {
	scoreText.setText('Score: ' + LK.getScore());
}
// Update the score display whenever the score changes
LK.on('scoreChange', updateScoreDisplay);
/**** 
* Variables
****/ 
// Initialize player
var enemy_1_movemwnt_amplitude = 200;
var enemy_2_movemwnt_amplitude = 20;
var enemy_3_movemwnt_amplitude = 40;
var game_speed = 1.0;
var poweruplevel = 0;
var playerFireSpeed = 15; // Variable to control the player's fire speed
var player = game.addChild(new Player());
shotside = -1;
player.x = 2048 / 2;
player.y = 2500;
// Initialize arrays
var bullets = [];
var powerUps = [];
// Initialize arrays for enemy_1 instances
var enemy_1s = [];
// Initialize arrays for enemy_2 instances
var enemy_2s = [];
// Initialize arrays for enemy_3 instances
var enemy_3s = [];
// Initialize enemy_1 group counter
var enemy_1GroupCount = 0;
var enemy_2GroupCount = 0;
var enemy_3GroupCount = 0;
var enemy_1_wave_length = 5;
var enemy_2_wave_length = 5;
var enemy_3_wave_length = 14;
// Game update function
game.update = function () {
	// Make the player auto fire at a reasonable frequency
	if (LK.ticks % playerFireSpeed === 0) {
		// Fire every 15 ticks
		player.shoot();
	}
	// Update stars
	for (var i = 0; i < stars.length; i++) {
		stars[i].update();
	}
	// Update enemy_1s
	for (var i = enemy_1s.length - 1; i >= 0; i--) {
		var enemy_1 = enemy_1s[i];
		//enemy_1.update();
		if (enemy_1.y > 2732) {
			enemy_1.destroy();
			enemy_1s.splice(i, 1);
		}
	}
	// Update enemy_2s
	for (var i = enemy_2s.length - 1; i >= 0; i--) {
		var enemy_2 = enemy_2s[i];
		//enemy_2.update();
		if (enemy_2.y > 2732) {
			enemy_2.destroy();
			enemy_2s.splice(i, 1);
		}
	}
	// Update enemy_3s
	for (var i = enemy_3s.length - 1; i >= 0; i--) {
		var enemy_3 = enemy_3s[i];
		//enemy_3.update();
		if (enemy_3.y > 2732) {
			enemy_3.destroy();
			enemy_3s.splice(i, 1);
		}
	}
	// Update bullets
	for (var j = bullets.length - 1; j >= 0; j--) {
		var bullet = bullets[j];
		bullet.update();
		if (bullet.y < 0) {
			bullet.destroy();
			bullets.splice(j, 1);
		}
	}
	// Update enemy_4s
	for (var i = game.children.length - 1; i >= 0; i--) {
		var child = game.children[i];
		if (child instanceof enemy_4) {
			child.update();
		}
	}
	// Update power-ups
	for (var k = powerUps.length - 1; k >= 0; k--) {
		var powerUp = powerUps[k];
		powerUp.update();
		if (powerUp.y > 2732) {
			powerUp.destroy();
			powerUps.splice(k, 1);
		}
	}
	// Check for collisions
	checkCollisions();
};
// Function to check for collisions
function checkCollisions() {
	// Check bullet and enemy_4 collisions
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		for (var j = game.children.length - 1; j >= 0; j--) {
			var child = game.children[j];
			if (child instanceof enemy_4 && bullet.intersects(child)) {
				LK.getSound('bullet_hit').play();
				LK.effects.flashObject(child, 0xFFFFFF, 100); // Flash enemy_4 white for 100ms
				createExplosion(bullet.x, bullet.y);
				bullet.destroy();
				child.lives -= bullet.power;
				child.healthBarForeground.width = Math.max(0, child.lives / child.maxLives * 100);
				if (child.lives <= 0) {
					createExplosion(child.x, child.y);
					child.destroy();
					LK.getSound('enemy_eplode').play();
					LK.setScore(LK.getScore() + 15); // Increase score by 15 for enemy_4
					updateScoreDisplay();
				} else {
					bullets.splice(i, 1);
				}
				break;
			}
		}
	}
	// Check player and power-up collisions
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		for (var j = enemy_1s.length - 1; j >= 0; j--) {
			var enemy_1 = enemy_1s[j];
			if (bullet.intersects(enemy_1)) {
				LK.getSound('bullet_hit').play();
				LK.effects.flashObject(enemy_1, 0xFFFFFF, 100); // Flash enemy_1 white for 100ms
				createExplosion(bullet.x, bullet.y);
				bullet.destroy();
				enemy_1.lives -= bullet.power;
				enemy_1.healthBarForeground.width = Math.max(0, enemy_1.lives / enemy_1.maxLives * 100);
				if (enemy_1.lives <= 0) {
					createExplosion(enemy_1.x, enemy_1.y);
					enemy_1.destroy();
					enemy_1s.splice(j, 1);
					LK.getSound('enemy_eplode').play();
					LK.setScore(LK.getScore() + 10); // Increase score by 10 for enemy_1
					updateScoreDisplay(); // Update the score display
					// Check if all enemies in the defeated enemy's group are also defeated
					if (!enemy_1s.some(function (e) {
						return e.group === enemy_1.group;
					})) {
						// If true, spawn a powerup
						spawnPowerUp();
					}
				} else {
					bullets.splice(i, 1);
				}
				break;
			}
		}
	}
	// Check bullet and enemy_2 collisions
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		for (var j = enemy_2s.length - 1; j >= 0; j--) {
			var enemy_2 = enemy_2s[j];
			if (bullet.intersects(enemy_2)) {
				LK.getSound('bullet_hit').play();
				LK.effects.flashObject(enemy_2, 0xFFFFFF, 100); // Flash enemy_2 white for 100ms 
				createExplosion(bullet.x, bullet.y);
				bullet.destroy();
				enemy_2.lives -= bullet.power;
				enemy_2.healthBarForeground.width = Math.max(0, enemy_2.lives / enemy_2.maxLives * 100);
				if (enemy_2.lives < 0) {
					var explosion2 = LK.getAsset('explosion2', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: enemy_2.x,
						y: enemy_2.y
					});
					game.addChild(explosion2);
					LK.effects.flashObject(explosion2, 0xFFFFFF, 100);
					LK.setTimeout(function () {
						explosion2.destroy();
					}, 100);
					enemy_2.destroy();
					enemy_2s.splice(j, 1);
					LK.getSound('enemy_eplode').play();
					LK.setScore(LK.getScore() + 20 * bullet.power); // Increase score by 20 for enemy_2
					updateScoreDisplay(); // Update the score display
					if (!enemy_2s.some(function (e) {
						return e.group === enemy_2.group;
					})) {
						// If true, spawn a powerup
						spawnPowerUp();
					}
				} else {
					bullets.splice(i, 1);
				}
				break;
			}
		}
	}
	// Check bullet and enemy_3 collisions
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		for (var j = enemy_3s.length - 1; j >= 0; j--) {
			var enemy_3 = enemy_3s[j];
			if (bullet.intersects(enemy_3)) {
				LK.getSound('bullet_hit').play();
				LK.effects.flashObject(enemy_3, 0xFFFFFF, 100); // Flash enemy_3 white for 100ms
				createExplosion(bullet.x, bullet.y);
				bullet.destroy();
				enemy_3.lives -= bullet.power;
				enemy_3.healthBarForeground.width = Math.max(0, enemy_3.lives / enemy_3.maxLives * 100);
				if (enemy_3.lives < 0) {
					var explosion2 = LK.getAsset('explosion2', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: enemy_3.x,
						y: enemy_3.y
					});
					game.addChild(explosion2);
					LK.effects.flashObject(explosion2, 0xFFFFFF, 100);
					LK.setTimeout(function () {
						explosion2.destroy();
					}, 100);
					createExplosion(enemy_3.x, enemy_3.y);
					enemy_3.destroy();
					enemy_3s.splice(j, 1);
					LK.getSound('enemy_eplode').play();
					LK.setScore(LK.getScore() + 50 * bullet.power); // Increase score by 20 for enemy_2
					updateScoreDisplay(); // Update the score display
					if (!enemy_3s.some(function (e) {
						return e.group === enemy_3.group;
					})) {
						// If true, spawn a powerup
						spawnPowerUp();
					}
				} else {
					bullets.splice(i, 1);
				}
				break;
			}
		}
	}
	// Check player and enemy_4 bullet collisions
	for (var i = game.children.length - 1; i >= 0; i--) {
		var child = game.children[i];
		if (child instanceof EnemyBullet && player.intersects(child)) {
			var explosion2 = LK.getAsset('explosion2', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: player.x,
				y: player.y
			});
			game.addChild(explosion2);
			LK.effects.flashObject(explosion2, 0xFFFFFF, 100);
			LK.setTimeout(function () {
				explosion2.destroy();
			}, 200);
			player.destroy();
			LK.getSound('player_dead').play();
			LK.setTimeout(function () {
				LK.showGameOver();
			}, 3000); // Delay of 1000ms before showing game over
			return;
		}
	}
	// Check bullet and enemy_5 collisions
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		for (var j = game.children.length - 1; j >= 0; j--) {
			var child = game.children[j];
			if (child instanceof enemy_5 && bullet.intersects(child)) {
				LK.getSound('bullet_hit').play();
				LK.effects.flashObject(child, 0xFFFFFF, 100); // Flash enemy_5 white for 100ms
				createExplosion(bullet.x, bullet.y);
				bullet.destroy();
				child.lives -= bullet.power; // Reduce lives by bullet power
				child.healthBarForeground.width = Math.max(0, child.lives / child.maxLives * 100);
				LK.setScore(LK.getScore() + 100 * bullet.power); // Increase score by 25 for enemy_5
				if (child.lives <= 0) {
					var explosion_a = LK.getAsset('explosion2', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: child.x,
						y: child.y
					});
					var explosion_b = LK.getAsset('explosion2', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: child.x + (Math.random() - 0.5) * 300,
						y: child.y + (Math.random() - 0.5) * 300
					});
					var explosion_c = LK.getAsset('explosion2', {
						anchorX: 0.5,
						anchorY: 0.5,
						x: child.x + (Math.random() - 0.5) * 300,
						y: child.y + (Math.random() - 0.5) * 300
					});
					game.addChild(explosion_a);
					game.addChild(explosion_b);
					game.addChild(explosion_c);
					LK.setTimeout(function () {
						explosion_a.destroy();
						explosion_b.destroy();
						explosion_c.destroy();
					}, 100);
					createExplosion(child.x, child.y);
					child.destroy();
					LK.getSound('enemy_eplode').play();
					updateScoreDisplay();
				}
				bullets.splice(i, 1);
				break;
			}
		}
	}
	// Check player bullet and enemy bullet collisions
	for (var i = bullets.length - 1; i >= 0; i--) {
		var bullet = bullets[i];
		for (var j = game.children.length - 1; j >= 0; j--) {
			var child = game.children[j];
			if (child instanceof EnemyBullet && bullet.intersects(child)) {
				LK.getSound('bullet_hit').play();
				createExplosion(bullet.x, bullet.y);
				bullet.destroy();
				child.destroy();
				bullets.splice(i, 1);
				break;
			}
		}
	}
	// Check player and power-up collisions
	for (var k = powerUps.length - 1; k >= 0; k--) {
		var powerUp = powerUps[k];
		if (player.intersects(powerUp)) {
			powerUp.destroy();
			powerUps.splice(k, 1);
			onPowerUpCollected();
		}
	}
	// Check player and enemy collisions
	for (var i = enemy_1s.length - 1; i >= 0; i--) {
		var enemy_1 = enemy_1s[i];
		if (player.intersects(enemy_1)) {
			var explosion2 = LK.getAsset('explosion2', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: player.x,
				y: player.y
			});
			game.addChild(explosion2);
			LK.effects.flashObject(explosion2, 0xFFFFFF, 100);
			LK.setTimeout(function () {
				explosion2.destroy();
			}, 200);
			player.destroy();
			LK.getSound('player_dead').play();
			LK.setTimeout(function () {
				LK.showGameOver();
			}, 3000); // Delay of 1000ms before showing game over
			return;
		}
	}
	for (var i = enemy_2s.length - 1; i >= 0; i--) {
		var enemy_2 = enemy_2s[i];
		if (player.intersects(enemy_2)) {
			LK.showGameOver();
			return;
		}
	}
	for (var i = enemy_3s.length - 1; i >= 0; i--) {
		var enemy_3 = enemy_3s[i];
		if (player.intersects(enemy_3)) {
			LK.showGameOver();
			return;
		}
	}
	for (var i = game.children.length - 1; i >= 0; i--) {
		var child = game.children[i];
		if (child instanceof enemy_4 && player.intersects(child)) {
			var explosion2 = LK.getAsset('explosion2', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: player.x,
				y: player.y
			});
			game.addChild(explosion2);
			LK.effects.flashObject(explosion2, 0xFFFFFF, 100);
			LK.setTimeout(function () {
				explosion2.destroy();
			}, 200);
			player.destroy();
			LK.getSound('player_dead').play();
			LK.setTimeout(function () {
				LK.showGameOver();
			}, 3000); // Delay of 1000ms before showing game over
			return;
		}
	}
	// Check player and enemy_5 collisions
	for (var i = game.children.length - 1; i >= 0; i--) {
		var child = game.children[i];
		if (child instanceof enemy_5 && player.intersects(child)) {
			var explosion2 = LK.getAsset('explosion2', {
				anchorX: 0.5,
				anchorY: 0.5,
				x: player.x,
				y: player.y
			});
			game.addChild(explosion2);
			LK.effects.flashObject(explosion2, 0xFFFFFF, 100);
			LK.setTimeout(function () {
				explosion2.destroy();
			}, 200);
			player.destroy();
			LK.getSound('player_dead').play();
			LK.setTimeout(function () {
				LK.showGameOver();
			}, 3000); // Delay of 1000ms before showing game over
			return;
		}
	}
}
// Set intervals for spawning
LK.setInterval(spawnEnemy_1, 4000);
LK.setInterval(spawnEnemy_2, 5200);
LK.setInterval(spawnEnemy_3, 6400);
LK.setInterval(spawnEnemy_4, 5000);
LK.setInterval(spawnEnemy_5, 4000);
// Player controls
game.down = function (x, y, obj) {
	player.x = x;
	player.y = y;
};
game.move = function (x, y, obj) {
	player.x = x;
	player.y = y;
};
game.up = function (x, y, obj) {
	//player.shoot();
};

===================================================================
--- original.js
+++ change.js
@@ -34,25 +34,8 @@
 	var playerGraphics = self.attachAsset('player', {
 		anchorX: 0.5,
 		anchorY: 0.5
 	});
-	self.energy = 100; // Initialize player energy
-	self.maxEnergy = 100; // Maximum energy value
-	self.energyBarBackground = LK.getAsset('energyBarBackground', {
-		anchorX: 0.5,
-		anchorY: 0.5,
-		y: -120 // Position above the player
-	});
-	self.addChild(self.energyBarBackground);
-	self.energyBarForeground = LK.getAsset('energyBarForeground', {
-		anchorX: 0.5,
-		anchorY: 0.5,
-		y: -120 // Position above the player
-	});
-	self.addChild(self.energyBarForeground);
-	self.updateEnergyBar = function () {
-		self.energyBarForeground.width = Math.max(0, self.energy / self.maxEnergy * 200);
-	};
 	self.shoot = function () {
 		LK.getSound('Player_shoot').play();
 		if (powerup_between(0, 5)) {
 			split_shot();
@@ -92,8 +75,23 @@
 		self.y += 1;
 		self.rotation += Math.PI / 40;
 	};
 });
+var Star = Container.expand(function () {
+	var self = Container.call(this);
+	var starGraphics = self.attachAsset('depth_1', {
+		anchorX: 0.5,
+		anchorY: 0.5
+	});
+	self.speed = Math.random() * 2 + 1; // Random speed for each star
+	self.update = function () {
+		self.y += self.speed;
+		if (self.y > 2732) {
+			self.y = -50; // Reset star to top
+			self.x = Math.random() * 2048; // Randomize x position
+		}
+	};
+});
 // Function to spawn power-ups
 //<Assets used in the game will automatically appear here>
 //<Write imports for supported plugins here>
 // enemy_1 class
@@ -270,8 +268,17 @@
 
 /**** 
 * Game Code
 ****/ 
+var stars = [];
+for (var i = 0; i < 100; i++) {
+	// Create 100 stars
+	var star = new Star();
+	star.x = Math.random() * 2048; // Random x position
+	star.y = Math.random() * 2732; // Random y position
+	stars.push(star);
+	game.addChild(star);
+}
 function powerup_between(a, b) {
 	return poweruplevel >= a && poweruplevel < b;
 }
 function createExplosion(x, y) {
@@ -493,10 +500,13 @@
 	// Make the player auto fire at a reasonable frequency
 	if (LK.ticks % playerFireSpeed === 0) {
 		// Fire every 15 ticks
 		player.shoot();
-		player.updateEnergyBar();
 	}
+	// Update stars
+	for (var i = 0; i < stars.length; i++) {
+		stars[i].update();
+	}
 	// Update enemy_1s
 	for (var i = enemy_1s.length - 1; i >= 0; i--) {
 		var enemy_1 = enemy_1s[i];
 		//enemy_1.update();
@@ -710,19 +720,14 @@
 			LK.effects.flashObject(explosion2, 0xFFFFFF, 100);
 			LK.setTimeout(function () {
 				explosion2.destroy();
 			}, 200);
-			player.energy -= 20; // Reduce player energy by 20
-			player.updateEnergyBar(); // Update the energy bar display
-			if (player.energy <= 0) {
-				player.destroy();
-				LK.getSound('player_dead').play();
-				LK.setTimeout(function () {
-					LK.showGameOver();
-				}, 3000); // Delay of 1000ms before showing game over
-				return;
-			}
-			child.destroy(); // Destroy the enemy bullet
+			player.destroy();
+			LK.getSound('player_dead').play();
+			LK.setTimeout(function () {
+				LK.showGameOver();
+			}, 3000); // Delay of 1000ms before showing game over
+			return;
 		}
 	}
 	// Check bullet and enemy_5 collisions
 	for (var i = bullets.length - 1; i >= 0; i--) {
@@ -801,10 +806,8 @@
 	// Check player and enemy collisions
 	for (var i = enemy_1s.length - 1; i >= 0; i--) {
 		var enemy_1 = enemy_1s[i];
 		if (player.intersects(enemy_1)) {
-			player.energy -= 20; // Reduce player energy by 20
-			player.updateEnergyBar(); // Update the energy bar display
 			var explosion2 = LK.getAsset('explosion2', {
 				anchorX: 0.5,
 				anchorY: 0.5,
 				x: player.x,
@@ -814,19 +817,14 @@
 			LK.effects.flashObject(explosion2, 0xFFFFFF, 100);
 			LK.setTimeout(function () {
 				explosion2.destroy();
 			}, 200);
-			player.energy -= 20; // Reduce player energy by 20
-			player.updateEnergyBar(); // Update the energy bar display
-			if (player.energy <= 0) {
-				player.destroy();
-				LK.getSound('player_dead').play();
-				LK.setTimeout(function () {
-					LK.showGameOver();
-				}, 3000); // Delay of 1000ms before showing game over
-				return;
-			}
-			enemy_1.destroy(); // Destroy the enemy
+			player.destroy();
+			LK.getSound('player_dead').play();
+			LK.setTimeout(function () {
+				LK.showGameOver();
+			}, 3000); // Delay of 1000ms before showing game over
+			return;
 		}
 	}
 	for (var i = enemy_2s.length - 1; i >= 0; i--) {
 		var enemy_2 = enemy_2s[i];