/****
* Classes
****/
// 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.move = function () {
    self.y += self.speed;
  };
});
// Assets will be automatically created based on usage in the code.
// Player class
var Player = Container.expand(function () {
  var self = Container.call(this);
  var playerGraphics = self.attachAsset('player', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.moveLeft = function () {
    if (self.x > 100) self.x -= 100;
  };
  self.moveRight = function () {
    if (self.x < 1948) self.x += 100;
  };
});

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

/****
* Game Code
****/
var player = game.addChild(new Player());
player.x = 1024; // Center horizontally
player.y = 2500; // Position near the bottom
var obstacles = [];
var score = 0;
var scoreTxt = new Text2(score.toString(), {
  size: 150,
  fill: "#ffffff"
});
LK.gui.top.addChild(scoreTxt);
// Create obstacles at intervals
var obstacleTimer = LK.setInterval(function () {
  var obstacle = new Obstacle();
  obstacle.x = Math.random() * 2048; // Random horizontal position
  obstacle.y = 0; // Start from the top
  obstacles.push(obstacle);
  game.addChild(obstacle);
}, 2000);
// Handle touch events for moving the player
game.on('down', function (obj) {
  var pos = obj.event.getLocalPosition(game);
  if (pos.x < 1024) {
    player.moveLeft();
  } else {
    player.moveRight();
  }
});
// Update game state every tick
LK.on('tick', function () {
  for (var i = obstacles.length - 1; i >= 0; i--) {
    obstacles[i].move();
    // Check for collision with player
    if (obstacles[i].intersects(player)) {
      LK.effects.flashScreen(0xff0000, 1000);
      LK.showGameOver();
      return;
    }
    // Remove off-screen obstacles
    if (obstacles[i].y > 2732) {
      obstacles[i].destroy();
      obstacles.splice(i, 1);
      score += 1;
      scoreTxt.setText(score.toString());
    }
  }
});