/****
* Classes
****/
//<Assets used in the game will automatically appear here>
// Car class representing the player's car
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.update = function () {
    self.y += self.speed;
  };
});
// Obstacle class representing obstacles on the track
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
****/
var car;
var obstacles = [];
var score = 0;
var scoreTxt;
var gameSpeed = 5;
// Initialize the game elements
function initGame() {
  car = game.addChild(new Car());
  car.x = 2048 / 2;
  car.y = 2732 - 200;
  car.speed = 0;
  scoreTxt = new Text2('0', {
    size: 150,
    fill: "#ffffff"
  });
  scoreTxt.anchor.set(0.5, 0);
  LK.gui.top.addChild(scoreTxt);
}
// Handle touch/mouse move events
game.move = function (x, y, obj) {
  car.x = x;
};
// Update the game state
game.update = function () {
  // Update car position
  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 = -100;
    obstacles.push(newObstacle);
    game.addChild(newObstacle);
  }
  // Update score
  score += gameSpeed;
  scoreTxt.setText(score);
};
// Initialize the game
initGame();