/**** 
* Classes
****/ 
// Explosion class
var Explosion = Container.expand(function () {
	var self = Container.call(this);
	var explosionGraphics = self.attachAsset('explosion', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.update = function () {
		explosionGraphics.alpha -= 0.1;
		if (explosionGraphics.alpha <= 0) {
			self.destroy();
		}
	};
});
// Laser class
var Laser = Container.expand(function () {
	var self = Container.call(this);
	var laserGraphics = self.attachAsset('laser', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -10;
	self.update = function () {
		self.y += self.speed;
	};
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Spaceship class
var Spaceship = Container.expand(function () {
	var self = Container.call(this);
	var spaceshipGraphics = self.attachAsset('spaceship', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		// Spaceship update logic
	};
	self.move = function (x, y) {
		self.x = x;
		self.y = y;
	};
	self.lasers = [];
	self.fire = function () {
		var laser = new Laser();
		laser.x = self.x;
		laser.y = self.y;
		self.lasers.push(laser);
		game.addChild(laser);
	};
});
// Star class
var Star = Container.expand(function () {
	var self = Container.call(this);
	var starGraphics = self.attachAsset('star', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 2;
	self.update = function () {
		self.y += self.speed;
		if (self.y > 2732) {
			self.y = 0;
			self.x = Math.random() * 2048;
		}
	};
});

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

/**** 
* Game Code
****/ 
// Initialize score
var score = 0;
var scoreTxt = new Text2('0', {
	size: 50,
	fill: 0xFFFFFF,
	align: 'right'
});
scoreTxt.x = -100; // Move the score display 100 pixels to the left
LK.gui.topRight.addChild(scoreTxt);
// Initialize spaceship
var spaceship = new Spaceship();
spaceship.x = 2048 / 2;
spaceship.y = 2732 - 200;
game.addChild(spaceship);
// Initialize stars
var stars = [];
for (var i = 0; i < 50; i++) {
	var star = new Star();
	star.x = Math.random() * 2048;
	star.y = Math.random() * 2732;
	stars.push(star);
	game.addChild(star);
}
// Handle spaceship movement
game.down = function (x, y, obj) {
	spaceship.move(x, y);
	spaceship.fire();
};
// Update game elements
game.update = function () {
	for (var i = 0; i < stars.length; i++) {
		stars[i].update();
		// Check for collision between each star and the spaceship's lasers
		for (var j = 0; j < spaceship.lasers.length; j++) {
			if (stars[i].intersects(spaceship.lasers[j])) {
				// Create an explosion at the star's position
				var explosion = new Explosion();
				explosion.x = stars[i].x;
				explosion.y = stars[i].y;
				game.addChild(explosion);
				// Destroy the star and the laser
				stars[i].destroy();
				spaceship.lasers[j].destroy();
				// Remove the star and the laser from their respective arrays
				stars.splice(i, 1);
				spaceship.lasers.splice(j, 1);
				// Increase score by 10
				score += 10;
				// Update score display
				scoreTxt.setText(score);
				break;
			}
		}
	}
	spaceship.update();
};