/**** 
* Classes
****/ 
// Create an 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 = 3;
	self.update = function () {
		// Move enemy left and right
		self.x += self.speed;
		if (self.x > 2048 || self.x < 0) {
			self.speed *= -1; // Reverse direction when hitting screen edge
		}
	};
});
// The assets will be automatically created and loaded by the LK engine
// Create a Player class
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 () {
		// Move player upwards and then exit downwards and return
		if (self.y > 0 && !self.exiting) {
			self.y -= self.speed;
		} else {
			self.exiting = true;
			self.y += self.speed;
			if (self.y >= 2732) {
				self.exiting = false;
			}
		}
		// Move player based on touch input
		self.move = function (x, y, obj) {
			if (x < self.x) {
				self.x -= self.speed;
			} else if (x > self.x) {
				self.x += self.speed;
			}
		};
	};
});

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

/**** 
* Game Code
****/ 
// Initialize player and enemy
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 / 2;
var enemies = [];
for (var i = 0; i < 10; i++) {
	var enemy = game.addChild(new Enemy());
	enemy.x = Math.random() * 2048;
	enemy.y = Math.random() * 2732;
	enemies.push(enemy);
}
// Game update function
game.update = function () {
	// Player and enemy update logic goes here
	for (var i = 0; i < enemies.length; i++) {
		if (player.intersects(enemies[i])) {
			// Game over logic goes here
			LK.showGameOver();
		}
	}
};
// Game touch events
game.down = function (x, y, obj) {
	player.move(x, y, obj);
};
game.move = function (x, y, obj) {
	player.move(x, y, obj);
};
game.up = function (x, y, obj) {
	// Touch up logic goes here
};