/****
* Classes
****/
// Bullet class
var Bullet = Container.expand(function () {
  var self = Container.call(this);
  var bulletGraphics = self.attachAsset('bullet', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = -10;
  self.update = function () {
    self.y += self.speed;
  };
});
// Piggy class
var Piggy = Container.expand(function () {
  var self = Container.call(this);
  var piggyGraphics = self.attachAsset('piggy', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 2;
  self.update = function () {
    self.y += self.speed;
  };
});
// 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 () {
    // Player movement logic goes here
  };
});

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

/****
* Game Code
****/
var player = game.addChild(new Player());
player.x = 2048 / 2;
player.y = 2732 - 100;
var bullets = [];
var piggies = [];
var scoreTxt = new Text2('0', {
  size: 150,
  fill: "#ffffff"
});
LK.gui.top.addChild(scoreTxt);
game.update = function () {
  // Player movement logic
  if (dragNode) {
    dragNode.x = x;
    dragNode.y = y;
  }
  // Bullet logic
  for (var i = bullets.length - 1; i >= 0; i--) {
    var bullet = bullets[i];
    if (bullet.y < 0) {
      bullet.destroy();
      bullets.splice(i, 1);
    } else {
      for (var j = piggies.length - 1; j >= 0; j--) {
        var piggy = piggies[j];
        if (bullet.intersects(piggy)) {
          bullet.destroy();
          bullets.splice(i, 1);
          piggy.destroy();
          piggies.splice(j, 1);
          LK.setScore(LK.getScore() + 1);
          scoreTxt.setText(LK.getScore());
          break;
        }
      }
    }
  }
  // Piggy logic
  for (var i = piggies.length - 1; i >= 0; i--) {
    var piggy = piggies[i];
    if (piggy.y > 2732) {
      piggy.destroy();
      piggies.splice(i, 1);
    } else if (piggy.intersects(player)) {
      LK.effects.flashScreen(0xff0000, 1000);
      LK.showGameOver();
    }
  }
  // Spawn piggies
  if (LK.ticks % 120 == 0) {
    var piggy = new Piggy();
    piggy.x = Math.random() * 2048;
    piggy.y = 0;
    piggies.push(piggy);
    game.addChild(piggy);
  }
};
game.down = function (x, y, obj) {
  dragNode = player;
};
game.up = function (x, y, obj) {
  dragNode = null;
  var bullet = new Bullet();
  bullet.x = player.x;
  bullet.y = player.y;
  bullets.push(bullet);
  game.addChild(bullet);
};