/**** 
* Classes
****/ 
// Class for Bullet
var Bullet = Container.expand(function () {
	var self = Container.call(this);
	var bulletGraphics = self.attachAsset('bullet', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 10;
	self.update = function () {
		self.y -= self.speed;
	};
});
// Class for Enemy
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 3;
	self.update = function () {
		// Update enemy position or state
	};
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Class for Player
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.attachAsset('player', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		// Update player position or state
	};
	self.down = function (x, y, obj) {
		// Handle player interaction
	};
});

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

/**** 
* Game Code
****/ 
// Initialize background
var background = game.addChild(LK.getAsset('Background', {
	anchorX: 0.5,
	anchorY: 0.5,
	x: 2048 / 2,
	y: 2732 / 2
}));
// Initialize player
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 - 150;
// Initialize enemies
var enemies = [];
for (var i = 0; i < 5; i++) {
	var enemy = new Enemy();
	enemy.x = Math.random() * 2048;
	enemy.y = Math.random() * 1000;
	enemies.push(enemy);
	game.addChild(enemy);
}
// Initialize bullets
var bullets = [];
// Handle game updates
game.update = function () {
	// Update player
	player.update();
	// Update enemies
	for (var i = 0; i < enemies.length; i++) {
		enemies[i].update();
	}
	// Update bullets
	for (var j = bullets.length - 1; j >= 0; j--) {
		bullets[j].update();
		if (bullets[j].y < 0) {
			bullets[j].destroy();
			bullets.splice(j, 1);
		}
	}
	// Check for collisions
	for (var k = enemies.length - 1; k >= 0; k--) {
		if (player.intersects(enemies[k])) {
			// Handle player and enemy collision
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
		for (var l = bullets.length - 1; l >= 0; l--) {
			if (bullets[l].intersects(enemies[k])) {
				// Handle bullet and enemy collision
				enemies[k].destroy();
				enemies.splice(k, 1);
				bullets[l].destroy();
				bullets.splice(l, 1);
				break;
			}
		}
	}
};
// Handle player shooting
game.down = function (x, y, obj) {
	var bullet = new Bullet();
	bullet.x = player.x;
	bullet.y = player.y;
	bullets.push(bullet);
	game.addChild(bullet);
};
// Handle player movement
game.move = function (x, y, obj) {
	player.x = x;
	player.y = y;
};