var Reindeer = Container.expand(function () {
	var self = Container.call(this);
	var reindeerGraphics = self.createAsset('reindeer', 'Reindeer on a rocket', .5, .5);
	self.speed = 5;
	self.move = function () {
		self.y -= self.speed;
	};
});
var Obstacle = Container.expand(function () {
	var self = Container.call(this);
	var obstacleGraphics = self.createAsset('obstacle', 'Obstacle', .5, .5);
	self.speed = -5;
	self.move = function () {
		self.x += self.speed;
	};
});
var Game = Container.expand(function () {
	var self = Container.call(this);
	LK.stageContainer.setBackgroundColor(0x008080);
	var reindeer = self.addChild(new Reindeer());
	reindeer.x = 2048 / 2;
	reindeer.y = 2732 - 200;
	var obstacles = [];
	var isGameOver = false;
	var tickOffset = 0;
	LK.on('tick', function () {
		reindeer.move();
		if (isGameOver) {
			LK.effects.flashScreen(0xff0000, 1000);
			LK.showGameOver();
		}
		for (var a = obstacles.length; a >= 0; a--) {
			obstacles[a].move();
			if (obstacles[a].x < -50) {
				obstacles[a].destroy();
				obstacles.splice(a, 1);
			}
		}
		if (tickOffset++ % 30 == 0) {
			var newObstacle = new Obstacle();
			newObstacle.x = 2048;
			newObstacle.y = Math.random() * 2732;
			obstacles.push(newObstacle);
			self.addChild(newObstacle);
		}
	});
	stage.on('down', function (obj) {
		var event = obj.event;
		var pos = event.getLocalPosition(self);
		reindeer.y = pos.y;
	});
});