/****
* 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
  };
});
// Coin class
var Coin = Container.expand(function () {
  var self = Container.call(this);
  var coinGraphics = self.attachAsset('coin', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 5;
  self.update = function () {
    self.y += self.speed;
    if (self.y > 2732) {
      self.destroy();
    }
  };
});
// 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 coins = [];
var score = 0;
var scoreTxt = new Text2('0', {
  size: 150,
  fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Initialize car
car = game.addChild(new Car());
car.x = 2048 / 2;
car.y = 2732 - 200;
// Handle touch events for car movement
game.down = function (x, y, obj) {
  car.x = x;
  car.y = y;
};
game.move = function (x, y, obj) {
  car.x = x;
  car.y = y;
};
game.up = function (x, y, obj) {
  // No action needed on touch up
};
// Update game logic
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();
    }
  }
  // Update coins
  for (var j = coins.length - 1; j >= 0; j--) {
    coins[j].update();
    if (car.intersects(coins[j])) {
      score += 1;
      scoreTxt.setText(score);
      coins[j].destroy();
      coins.splice(j, 1);
    }
  }
  // Spawn obstacles
  if (LK.ticks % 60 == 0) {
    var newObstacle = new Obstacle();
    newObstacle.x = Math.random() * 2048;
    newObstacle.y = -50;
    obstacles.push(newObstacle);
    game.addChild(newObstacle);
  }
  // Spawn coins
  if (LK.ticks % 120 == 0) {
    var newCoin = new Coin();
    newCoin.x = Math.random() * 2048;
    newCoin.y = -50;
    coins.push(newCoin);
    game.addChild(newCoin);
  }
};