/****
* Classes
****/
// Level class
var Level = Container.expand(function () {
  var self = Container.call(this);
  self.difficulty = 1;
  self.update = function () {
    // Increase difficulty every level
    self.difficulty += 1;
  };
});
// The assets will be automatically created and loaded by the LK engine.
// Player class
var Player = Container.expand(function () {
  var self = Container.call(this);
  var playerGraphics = self.attachAsset('player', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 5;
  self.update = function () {
    self.y += self.speed;
  };
});

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

/****
* Game Code
****/
// Initialize player and levels
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 - 200;
var levels = [];
for (var i = 0; i < 10; i++) {
  var level = game.addChild(new Level());
  level.difficulty = i + 1;
  levels.push(level);
}
// Game update function
game.update = function () {
  // Move player based on speed
  player.y -= player.speed;
  // Check if player has reached the top of the screen
  if (player.y <= 0) {
    // Move player to the bottom of the screen
    player.y = 2732;
    // Increase level difficulty
    var currentLevel = levels.shift();
    currentLevel.update();
    levels.push(currentLevel);
  }
  // Check if player has reached the last level
  if (levels[0].difficulty == 10) {
    // Show game over
    LK.showGameOver();
  }
};