/****
* Classes
****/
// The assets will be automatically created and loaded by the LK engine
// Bubble Ball class
var BubbleBall = Container.expand(function () {
  var self = Container.call(this);
  var bubbleBallGraphics = self.attachAsset('bubbleBall', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 5;
  self.update = function () {
    self.y += self.speed;
  };
});
// Paddle class
var Paddle = Container.expand(function () {
  var self = Container.call(this);
  var paddleGraphics = self.attachAsset('paddle', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.update = function () {
    // Paddle movement will be handled in game.update
  };
});

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

/****
* Game Code
****/
// Initialize paddle and bubble ball
var paddle = game.addChild(new Paddle());
paddle.x = 2048 / 2;
paddle.y = 2732 - paddle.height;
var bubbleBall = game.addChild(new BubbleBall());
bubbleBall.x = 2048 / 2;
bubbleBall.y = bubbleBall.height;
// Handle paddle movement
var dragNode = null;
game.down = function (x, y, obj) {
  dragNode = paddle;
};
game.move = function (x, y, obj) {
  if (dragNode) {
    dragNode.x = x;
  }
};
game.up = function (x, y, obj) {
  dragNode = null;
};
// Update game state
game.update = function () {
  // Bounce the bubble ball off the walls
  if (bubbleBall.x < 0 || bubbleBall.x > 2048) {
    bubbleBall.speed = -bubbleBall.speed;
  }
  // Bounce the bubble ball off the paddle
  if (bubbleBall.intersects(paddle)) {
    bubbleBall.speed = -bubbleBall.speed;
  }
  // End the game if the bubble ball hits the bottom of the screen
  if (bubbleBall.y > 2732) {
    LK.showGameOver();
  }
};