var LifeIndicator = Container.expand(function () {
	var self = Container.call(this);
	self.lives = 3;
	self.indicators = [];
	for (var i = 0; i < self.lives; i++) {
		var lifeCar = self.createAsset('car', 'Life Indicator Car', 0.5, 0.5);
		lifeCar.scale.set(0.5);
		lifeCar.x = i * (lifeCar.width + 10);
		self.indicators.push(lifeCar);
		self.addChild(lifeCar);
	}
	self.updateLives = function (lives) {
		self.lives = lives;
		for (var i = 0; i < self.indicators.length; i++) {
			self.indicators[i].visible = i < self.lives;
		}
	};
});
var Button = Container.expand(function () {
	var self = Container.call(this);
	var buttonGraphics = self.createAsset('button', 'Button Graphics', .5, .5);
});
var Lane = Container.expand(function () {
	var self = Container.call(this);
	var laneGraphics = self.createAsset('lane', 'Lane Graphics', 0, 0);
	laneGraphics.height = 2732;
	laneGraphics.width = 2;
	laneGraphics.tint = 0xFFFFFF;
	self.addChild(laneGraphics);
});
var Car = Container.expand(function () {
	var self = Container.call(this);
	var carGraphics = self.createAsset('car', 'Car Graphics', .5, .5);
	carGraphics.tint = Math.random() * 0xFFFFFF;
	while (carGraphics.tint < 0x0A0A0A) {
		carGraphics.tint = Math.random() * 0xFFFFFF;
	}
	self.speed = 5;
	self.move = function () {
		self.y += self.speed;
	};
});
var Player = Container.expand(function () {
	var self = Container.call(this);
	var playerGraphics = self.createAsset('player', 'Player Graphics', .5, .5);
	self.lives = 3;
	self.moveLeft = function (laneWidth) {
		self.x = Math.max(laneWidth / 2, Math.floor((self.x - laneWidth) / laneWidth) * laneWidth + laneWidth / 2);
	};
	self.moveRight = function (laneWidth) {
		self.x = Math.min(2048 - laneWidth / 2, Math.ceil((self.x + laneWidth) / laneWidth) * laneWidth - laneWidth / 2);
	};
});
var Game = Container.expand(function () {
	var self = Container.call(this);
	var startTime = Date.now();
	self.speedMultiplier = 1.0;
	LK.stageContainer.setBackgroundColor(0x000000);
	var player = self.addChild(new Player());
	player.x = 2048 / 2;
	player.y = 2732 - 200;
	var lifeIndicator = self.addChild(new LifeIndicator());
	lifeIndicator.x = 2048 - 300;
	lifeIndicator.y = 50;
	var leftButton = self.addChild(new Button());
	leftButton.x = 100;
	leftButton.y = 2732 - 200;
	var rightButton = self.addChild(new Button());
	rightButton.x = 2048 - 100;
	rightButton.y = 2732 - 200;
	var carsPassedTxt = new Text2('0', {
		size: 150,
		fill: '#ffffff'
	});
	LK.gui.topLeft.addChild(carsPassedTxt);
	var laneWidth = 2048 / 6;
	for (var i = 1; i < 6; i++) {
		var lane = new Lane();
		lane.x = i * laneWidth;
		self.addChild(lane);
	}
	var cars = [];
	var carsPassed = 0;
	LK.on('tick', function () {
		if (LK.ticks % (60 * 5) === 0) {
			self.speedMultiplier *= 1.1;
		}
		for (var a = cars.length - 1; a >= 0; a--) {
			cars[a].move();
			if (cars[a].y > 2732) {
				cars[a].destroy();
				cars.splice(a, 1);
				carsPassed++;
			}
		}
		var currentTime = Date.now();
		var timeElapsed = (currentTime - startTime) / 1000;
		var spawnRate = timeElapsed > 20 ? Math.pow(1.10, Math.floor((timeElapsed - 20) / 5)) : 1;
		if (LK.ticks % Math.floor(60 / spawnRate) == 0) {
			var newCar = new Car();
			var laneWidth = 2048 / 6;
			newCar.x = Math.floor(Math.random() * 6) * laneWidth + laneWidth / 2;
			newCar.y = 0;
			newCar.speed *= self.speedMultiplier;
			cars.push(newCar);
			self.addChild(newCar);
		}
		carsPassedTxt.setText(carsPassed);
		for (var i = 0; i < cars.length; i++) {
			if (player.intersects(cars[i])) {
				player.lives--;
				lifeIndicator.updateLives(player.lives);
				if (player.lives <= 0) {
					LK.effects.flashScreen(0xff0000, 1000);
					LK.showGameOver();
				} else {
					cars[i].destroy();
					cars.splice(i, 1);
				}
			}
		}
	});
	leftButton.on('down', function (obj) {
		player.moveLeft(laneWidth);
	});
	rightButton.on('down', function (obj) {
		player.moveRight(laneWidth);
	});
});