/**** 
* Classes
****/
var Hero = Container.expand(function () {
	var self = Container.call(this);
	var heroGraphics = self.attachAsset('hero', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.move = function (x, y) {
		self.x = x;
		self.y = Math.max(y, 2732 / 3 * 2);
	};
	self.shoot = function () {
		var bullet = new HeroBullet();
		bullet.x = self.x;
		bullet.y = self.y - self.height;
		game.addChild(bullet);
		heroBullets.push(bullet);
	};
});
var Asteroid = Container.expand(function (size) {
	var self = Container.call(this);
	self.size = size || 1;
	var asteroidGraphics = self.attachAsset('asteroid', {
		anchorX: 0.5,
		anchorY: 0.5,
		scaleX: self.size,
		scaleY: self.size
	});
	self.speed = (Math.random() * 2 + 1) * 2;
	self.move = function () {
		self.y += self.speed;
	};
});
var Gold = Container.expand(function () {
	var self = Container.call(this);
	var goldGraphics = self.attachAsset('gold', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = (Math.random() * 2 + 1) * 2;
	self.move = function () {
		self.y += self.speed;
	};
});
var HeroBullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('heroBullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = -15;
	self.move = function () {
		self.y += self.speed;
	};
});

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

/**** 
* Game Code
****/
var score = 0;
var scoreTxt = new Text2(score.toString(), {
	size: 150,
	fill: "#ffffff"
});
LK.gui.topLeft.addChild(scoreTxt);
var hero = game.addChild(new Hero());
hero.x = 2048 / 2;
hero.y = 2732 - 200;
var asteroids = [];
var goldPieces = [];
var heroBullets = [];
var score = 0;
game.on('down', function (obj) {
	var pos = obj.event.getLocalPosition(game);
	hero.move(pos.x, pos.y);
	hero.shoot();
});
LK.on('tick', function () {
	// Move hero bullets
	for (var i = heroBullets.length - 1; i >= 0; i--) {
		heroBullets[i].move();
		if (heroBullets[i].y < 0) {
			heroBullets[i].destroy();
			heroBullets.splice(i, 1);
		}
	}
	// Move asteroids and deduct points if they reach the bottom
	for (var j = asteroids.length - 1; j >= 0; j--) {
		asteroids[j].move();
		if (asteroids[j].y > 2732) {
			score -= 20;
			scoreTxt.setText(score.toString()); // Update score text immediately
			asteroids[j].destroy();
			asteroids.splice(j, 1);
			if (score <= 0) {
				LK.showGameOver();
			}
		}
	}
	// Move gold and check for collisions with hero
	for (var k = goldPieces.length - 1; k >= 0; k--) {
		goldPieces[k].move();
		if (goldPieces[k].intersects(hero)) {
			score += 50;
			goldPieces[k].destroy();
			goldPieces.splice(k, 1);
		} else if (goldPieces[k].y > 2732) {
			score -= 20;
			scoreTxt.setText(score.toString()); // Update score text immediately
			goldPieces[k].destroy();
			goldPieces.splice(k, 1);
			if (score <= 0) {
				LK.showGameOver();
			}
		}
	}
	// Spawn asteroids with random sizes
	if (LK.ticks % 120 === 0) {
		var size = Math.random() * 1.5 + 2; // Random size between 2 and 3.5
		var asteroid = new Asteroid(size);
		asteroid.x = Math.random() * 2048;
		asteroid.y = -asteroid.height * size;
		asteroids.push(asteroid);
		game.addChild(asteroid);
	}
	// Spawn gold
	if (LK.ticks % 300 === 0) {
		var gold = new Gold();
		gold.x = Math.random() * 2048;
		gold.y = -gold.height;
		goldPieces.push(gold);
		game.addChild(gold);
	}
	// Check for bullet-asteroid collisions
	for (var b = heroBullets.length - 1; b >= 0; b--) {
		for (var a = asteroids.length - 1; a >= 0; a--) {
			if (heroBullets[b].intersects(asteroids[a])) {
				heroBullets[b].destroy();
				asteroids[a].destroy();
				score += 10; // Update score for destroying an asteroid
				scoreTxt.setText(score.toString()); // Update score text
				heroBullets.splice(b, 1);
				asteroids.splice(a, 1);
				break;
			}
		}
	}
});