/**** 
* Classes
****/ 
// Assets will be automatically created based on usage in the code.
// Car class
var Car = Container.expand(function () {
	var self = Container.call(this);
	// Attach a car asset
	var carGraphics = self.attachAsset('car', {
		anchorX: 0.5,
		anchorY: 0.5
	});
	self.previousTouchPosition = {
		x: 0,
		y: 0
	};
	self.speedX = 0;
	self.speedY = 0;
	// Move car based on its speed
	self.move = function () {
		self.x += self.speedX;
		self.y += self.speedY;
	};
	// Bounce off the edges of the screen
	self.checkBounds = function () {
		if (self.x < 0 || self.x > 2048) {
			self.speedX *= -1;
		}
		if (self.y < 0 || self.y > 2732) {
			self.speedY *= -1;
		}
	};
	self.setDirection = function (direction) {
		if (direction === 'left') {
			self.rotation -= 0.06;
		} else if (direction === 'right') {
			self.rotation += 0.06;
		}
		self.speedX = Math.sin(self.rotation) * 7;
		self.speedY = -Math.cos(self.rotation) * 7;
	};
});

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

/**** 
* Game Code
****/ 
// Global variables
var cars = [];
// Create a single car
var car = new Car();
car.x = 2048 / 2; // Center of the screen
car.y = 2732; // Bottom of the screen
car.speedX = 0;
car.speedY = -7;
cars.push(car);
game.addChildAt(car, game.children.length);
// Create a circle in the center of the screen
var centerCircle = LK.getAsset('Circle', {
	anchorX: 0.5,
	// Center anchor x-coordinate
	anchorY: 0.5,
	// Center anchor y-coordinate
	x: 2048 / 2,
	// Center of the screen
	y: 2732 / 2 // Center of the screen
});
game.addChild(centerCircle);
// Handle game logic on each tick
LK.on('tick', function () {
	cars.forEach(function (car) {
		car.move();
		car.checkBounds();
		// Check for collisions with other cars
		cars.forEach(function (otherCar) {
			if (car !== otherCar && car.intersects(otherCar)) {
				// Simple collision response by swapping speeds
				var tempSpeedX = car.speedX;
				var tempSpeedY = car.speedY;
				car.speedX = otherCar.speedX;
				car.speedY = otherCar.speedY;
				otherCar.speedX = tempSpeedX;
				otherCar.speedY = tempSpeedY;
			}
		});
	});
});
// Add touch event listener to the game
var turnInterval;
var lastTouchPosition;
game.on('down', function (obj) {
	// Get the position of the touch
	var touchPosition = obj.event.getLocalPosition(game);
	// Store the initial touch position
	car.initialTouchPosition = touchPosition;
	// Store the last touch position
	lastTouchPosition = touchPosition;
});
game.on('move', function (obj) {
	// Get the position of the touch
	var touchPosition = obj.event.getLocalPosition(game);
	// Update the last touch position
	lastTouchPosition = touchPosition;
	// If the last touch position is to the left of the previous touch position, turn the car to the left
	if (lastTouchPosition.x < car.previousTouchPosition.x) {
		car.setDirection('left');
	}
	// If the last touch position is to the right of the previous touch position, turn the car to the right
	else if (lastTouchPosition.x > car.previousTouchPosition.x) {
		car.setDirection('right');
	}
	// Update the previous touch position
	car.previousTouchPosition = lastTouchPosition;
});
game.on('up', function (obj) {
	// Do nothing when the touch is released
});