/****
* Classes
****/
//<Assets used in the game will automatically appear here>
// Car class
var Car = Container.expand(function () {
  var self = Container.call(this);
  var carGraphics = self.attachAsset('car', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 0;
  self.angle = 0;
  self.driftAngle = 0;
  self.update = function () {
    self.x += Math.cos(self.angle) * self.speed;
    self.y += Math.sin(self.angle) * self.speed;
    self.rotation = self.angle + self.driftAngle;
  };
  self.drift = function (driftAmount) {
    self.driftAngle = driftAmount;
  };
});
// Track class
var Track = Container.expand(function () {
  var self = Container.call(this);
  var trackGraphics = self.attachAsset('track', {
    anchorX: 0.5,
    anchorY: 0.5
  });
});

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

/****
* Game Code
****/
// Initialize variables
var car;
var track;
var scoreTxt;
var score = 0;
var isDrifting = false;
// Initialize game elements
function initGame() {
  // Create track
  track = game.addChild(new Track());
  track.x = 2048 / 2;
  track.y = 2732 / 2;
  // Create car
  car = game.addChild(new Car());
  car.x = 2048 / 2;
  car.y = 2732 / 2;
  // Create score text
  scoreTxt = new Text2('Score: 0', {
    size: 100,
    fill: "#ffffff"
  });
  scoreTxt.anchor.set(0.5, 0);
  LK.gui.top.addChild(scoreTxt);
}
// Update score
function updateScore() {
  score += 1;
  scoreTxt.setText('Score: ' + score);
}
// Handle touch events
game.down = function (x, y, obj) {
  isDrifting = true;
  car.drift(0.1);
};
game.up = function (x, y, obj) {
  isDrifting = false;
  car.drift(0);
};
// Game update loop
game.update = function () {
  car.update();
  if (isDrifting) {
    updateScore();
  }
};
// Initialize the game
initGame();