/****
* Classes
****/
// The assets will be automatically created and loaded by the LK engine
// Create a class for the player
var Player = Container.expand(function () {
  var self = Container.call(this);
  var playerGraphics = self.attachAsset('player', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 0;
  self.gravity = 0.5;
  self.update = function () {
    self.y += self.speed;
    self.speed += self.gravity;
    if (self.y > 2732) {
      self.y = 2732;
      self.speed = 0;
    }
    if (self.y < 0) {
      self.y = 0;
      self.speed = 0;
    }
  };
  self.flap = function () {
    self.speed = -12;
  };
});
// Create a class for the walls
var Wall = Container.expand(function () {
  var self = Container.call(this);
  var wallGraphics = self.attachAsset('wall', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = -5;
  self.update = function () {
    self.x += self.speed;
    if (self.x < -100) {
      self.destroy();
    }
  };
});

/****
* Initialize Game
****/
var game = new LK.Game({
  backgroundColor: 0x87CEEB // Sky blue background
});

/****
* Game Code
****/
var player = game.addChild(new Player());
player.x = 500;
player.y = 1366;
var walls = [];
var score = 0;
var scoreTxt = new Text2('0', {
  size: 150,
  fill: "#ffffff"
});
LK.gui.top.addChild(scoreTxt);
game.update = function () {
  if (LK.ticks % 120 == 0) {
    var gapPosition = Math.random() * (2732 - 800) + 400;
    var topWall = game.addChild(new Wall());
    topWall.y = gapPosition - 600;
    topWall.x = 2048;
    var bottomWall = game.addChild(new Wall());
    bottomWall.y = gapPosition + 600;
    bottomWall.x = 2048;
    walls.push(topWall);
    walls.push(bottomWall);
    score++;
    scoreTxt.setText(score);
  }
  for (var i = walls.length - 1; i >= 0; i--) {
    if (player.intersects(walls[i])) {
      LK.effects.flashScreen(0xff0000, 1000);
      LK.showGameOver();
    }
    if (walls[i].x < -100) {
      walls[i].destroy();
      walls.splice(i, 1);
    }
  }
};
game.down = function (x, y, obj) {
  player.flap();
};