/****
* Classes
****/
// Enemy class
var Enemy = Container.expand(function () {
  var self = Container.call(this);
  var enemyGraphics = self.attachAsset('enemy', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 5;
  self.direction = 1; // 1 for right, -1 for left
  self.update = function () {
    self.x += self.speed * self.direction;
    if (self.x > 2048 - enemyGraphics.width / 2 || self.x < enemyGraphics.width / 2) {
      self.direction *= -1;
    }
  };
});
//<Assets used in the game will automatically appear here>
// Spacecraft class for player
var Spacecraft = Container.expand(function () {
  var self = Container.call(this);
  var spacecraftGraphics = self.attachAsset('spacecraft', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 10;
  self.moveLeft = function () {
    self.x -= self.speed;
    if (self.x < spacecraftGraphics.width / 2) {
      self.x = spacecraftGraphics.width / 2;
    }
  };
  self.moveRight = function () {
    self.x += self.speed;
    if (self.x > 2048 - spacecraftGraphics.width / 2) {
      self.x = 2048 - spacecraftGraphics.width / 2;
    }
  };
});

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

/****
* Game Code
****/
var player = new Spacecraft();
player.x = 2048 / 2;
player.y = 2732 - 150;
game.addChild(player);
var enemy = new Enemy();
enemy.x = 2048 / 2;
enemy.y = 100;
game.addChild(enemy);
// Handle touch events for player movement
game.down = function (x, y, obj) {
  if (x < 2048 / 2) {
    player.moveLeft();
  } else {
    player.moveRight();
  }
};
// Update game state
game.update = function () {
  enemy.update();
};