/**** 
* 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.speed = -10;
	self.update = function () {
		self.y += self.speed;
	};
});
// Enemy class
var Enemy = Container.expand(function () {
	var self = Container.call(this);
	var enemyGraphics = self.attachAsset('enemy', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 2;
	self.update = function () {
		self.y += self.speed;
	};
});
//<Assets used in the game will automatically appear here>
// Hero class
var Hero = Container.expand(function () {
	var self = Container.call(this);
	var heroGraphics = self.attachAsset('hero', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.speed = 5;
	self.update = function () {
		// Hero update logic
	};
	self.move = function (x, y) {
		self.x = x;
		self.y = y;
	};
});
// Main Menu class
var MainMenu = Container.expand(function () {
	var self = Container.call(this);
	// Create menu elements here
	// For example, we can create a start button
	var startButton = self.attachAsset('startButton', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	startButton.x = 2048 / 2;
	startButton.y = 2732 / 2;
	// Handle start button press
	startButton.down = function (x, y, obj) {
		// Start the game
		self.destroy();
		startGame();
	};
});

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

/**** 
* Game Code
****/ 
// Initialize main menu
var mainMenu = game.addChild(new MainMenu());
// Start game function
function startGame() {
	// Initialize variables
	var hero;
	var enemies = [];
	var bullets = [];
	var score = 0;
	var scoreTxt;
	// Initialize hero
	hero = game.addChild(new Hero());
	hero.x = 2048 / 2;
	hero.y = 2732 - 200;
	// Initialize score text
	scoreTxt = new Text2('0', {
		size: 150,
		fill: "#ffffff"
	});
	scoreTxt.anchor.set(0.5, 0);
	LK.gui.top.addChild(scoreTxt);
	// Handle game move event
	game.move = function (x, y, obj) {
		hero.move(x, y);
	};
	// Handle game update event
	game.update = function () {
		// Update hero
		hero.update();
		// Update enemies
		for (var i = enemies.length - 1; i >= 0; i--) {
			enemies[i].update();
			if (enemies[i].y > 2732) {
				enemies[i].destroy();
				enemies.splice(i, 1);
			}
		}
		// 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 = bullets.length - 1; k >= 0; k--) {
			for (var l = enemies.length - 1; l >= 0; l--) {
				if (bullets[k].intersects(enemies[l])) {
					bullets[k].destroy();
					enemies[l].destroy();
					bullets.splice(k, 1);
					enemies.splice(l, 1);
					score++;
					scoreTxt.setText(score);
					break;
				}
			}
		}
		// Spawn enemies
		if (LK.ticks % 60 == 0) {
			var newEnemy = new Enemy();
			newEnemy.x = Math.random() * 2048;
			newEnemy.y = -50;
			enemies.push(newEnemy);
			game.addChild(newEnemy);
		}
		// Fire bullets
		if (LK.ticks % 15 == 0) {
			var newBullet = new Bullet();
			newBullet.x = hero.x;
			newBullet.y = hero.y;
			bullets.push(newBullet);
			game.addChild(newBullet);
		}
	};
}
// Initialize variables
var hero;
var enemies = [];
var bullets = [];
var score = 0;
var scoreTxt;
// Initialize hero
hero = game.addChild(new Hero());
hero.x = 2048 / 2;
hero.y = 2732 - 200;
// Initialize score text
scoreTxt = new Text2('0', {
	size: 150,
	fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Handle game move event
game.move = function (x, y, obj) {
	hero.move(x, y);
};
// Handle game update event
game.update = function () {
	// Update hero
	hero.update();
	// Update enemies
	for (var i = enemies.length - 1; i >= 0; i--) {
		enemies[i].update();
		if (enemies[i].y > 2732) {
			enemies[i].destroy();
			enemies.splice(i, 1);
		}
	}
	// 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 = bullets.length - 1; k >= 0; k--) {
		for (var l = enemies.length - 1; l >= 0; l--) {
			if (bullets[k].intersects(enemies[l])) {
				bullets[k].destroy();
				enemies[l].destroy();
				bullets.splice(k, 1);
				enemies.splice(l, 1);
				score++;
				scoreTxt.setText(score);
				break;
			}
		}
	}
	// Spawn enemies
	if (LK.ticks % 60 == 0) {
		var newEnemy = new Enemy();
		newEnemy.x = Math.random() * 2048;
		newEnemy.y = -50;
		enemies.push(newEnemy);
		game.addChild(newEnemy);
	}
	// Fire bullets
	if (LK.ticks % 15 == 0) {
		var newBullet = new Bullet();
		newBullet.x = hero.x;
		newBullet.y = hero.y;
		bullets.push(newBullet);
		game.addChild(newBullet);
	}
};