/****
* Classes
****/
//<Assets used in the game will automatically appear here>
// Ball class
var Ball = Container.expand(function () {
  var self = Container.call(this);
  var ballGraphics = self.attachAsset('ball', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speedX = 5;
  self.speedY = 5;
  self.update = function () {
    self.x += self.speedX;
    self.y += self.speedY;
    if (self.x <= 0 || self.x >= 2048) {
      self.speedX *= -1;
    }
    if (self.y <= 0 || self.y >= 2732) {
      self.speedY *= -1;
    }
  };
});
// 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 logic will be handled in the game move event
  };
});

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

/****
* Game Code
****/
var ball = new Ball();
ball.x = 1024;
ball.y = 1366;
game.addChild(ball);
var playerPaddle = new Paddle();
playerPaddle.x = 1024;
playerPaddle.y = 2500;
game.addChild(playerPaddle);
var aiPaddle = new Paddle();
aiPaddle.x = 1024;
aiPaddle.y = 200;
game.addChild(aiPaddle);
var scoreTxt = new Text2('0 - 0', {
  size: 150,
  fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var playerScore = 0;
var aiScore = 0;
function updateScore() {
  scoreTxt.setText(playerScore + ' - ' + aiScore);
}
game.move = function (x, y, obj) {
  playerPaddle.x = x;
};
game.update = function () {
  ball.update();
  playerPaddle.update();
  aiPaddle.update();
  // AI paddle movement
  if (ball.x > aiPaddle.x) {
    aiPaddle.x += 5;
  } else {
    aiPaddle.x -= 5;
  }
  // Ball collision with paddles
  if (ball.intersects(playerPaddle) || ball.intersects(aiPaddle)) {
    ball.speedY *= -1;
  }
  // Scoring
  if (ball.y <= 0) {
    playerScore++;
    updateScore();
    ball.x = 1024;
    ball.y = 1366;
  } else if (ball.y >= 2732) {
    aiScore++;
    updateScore();
    ball.x = 1024;
    ball.y = 1366;
  }
};