/****
* 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 = 10;
  self.update = function () {
    // Car update logic
  };
});
// Obstacle class
var Obstacle = Container.expand(function () {
  var self = Container.call(this);
  var obstacleGraphics = self.attachAsset('obstacle', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 5;
  self.update = function () {
    self.y += self.speed;
    if (self.y > 2732) {
      self.destroy();
    }
  };
});

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

/****
* Game Code
****/
// Initialize arrays and variables
var car;
var obstacles = [];
var score = 0;
var scoreTxt;
// Initialize game elements
function initGame() {
  // Create car
  car = new Car();
  car.x = 2048 / 2;
  car.y = 2732 - 200;
  game.addChild(car);
  // Create score text
  scoreTxt = new Text2('0', {
    size: 150,
    fill: "#ffffff"
  });
  scoreTxt.anchor.set(0.5, 0);
  LK.gui.top.addChild(scoreTxt);
  // Set up game update loop
  game.update = function () {
    // Update car
    car.update();
    // Update obstacles
    for (var i = obstacles.length - 1; i >= 0; i--) {
      obstacles[i].update();
      if (car.intersects(obstacles[i])) {
        LK.effects.flashScreen(0xff0000, 1000);
        LK.showGameOver();
      }
    }
    // Spawn new obstacles
    if (LK.ticks % 60 == 0) {
      var newObstacle = new Obstacle();
      newObstacle.x = Math.random() * 2048;
      newObstacle.y = -50;
      obstacles.push(newObstacle);
      game.addChild(newObstacle);
    }
    // Update score
    score++;
    scoreTxt.setText(score);
  };
  // Set up touch controls
  game.down = function (x, y, obj) {
    car.x = x;
  };
  game.move = function (x, y, obj) {
    car.x = x;
  };
}
// Start the game
initGame();