/****
* Classes
****/
// Class for bombs dropped by Viggen
var Bomb = Container.expand(function () {
  var self = Container.call(this);
  var bombGraphics = self.attachAsset('bomb', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 15;
  self.update = function () {
    self.y += self.speed;
    if (self.y > 2732) {
      self.destroy();
    }
  };
});
// Class for enemy defenses
var Defense = Container.expand(function () {
  var self = Container.call(this);
  var defenseGraphics = self.attachAsset('defense', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 5;
  self.update = function () {
    self.y += self.speed;
    if (self.y > 2732) {
      self.y = -100;
    }
  };
});
//<Assets used in the game will automatically appear here>
//<Write imports for supported plugins here>
// Class for the player's aircraft
var Viggen = Container.expand(function () {
  var self = Container.call(this);
  var viggenGraphics = self.attachAsset('viggen', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 10;
  self.update = function () {
    // Update logic for Viggen
  };
  self.move = function (x, y, obj) {
    self.x = x;
    self.y = y;
  };
});

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

/****
* Game Code
****/
// Initialize player Viggen
var viggen = game.addChild(new Viggen());
viggen.x = 1024;
viggen.y = 2400;
// Initialize defenses
var defenses = [];
for (var i = 0; i < 5; i++) {
  var defense = new Defense();
  defense.x = Math.random() * 2048;
  defense.y = Math.random() * -1000;
  defenses.push(defense);
  game.addChild(defense);
}
// Initialize bombs
var bombs = [];
// Handle game move events
game.move = function (x, y, obj) {
  viggen.move(x, y, obj);
};
// Handle game update events
game.update = function () {
  // Update defenses
  defenses.forEach(function (defense) {
    defense.update();
    if (viggen.intersects(defense)) {
      LK.effects.flashScreen(0xff0000, 1000);
      LK.showGameOver();
    }
  });
  // Update bombs
  bombs.forEach(function (bomb, index) {
    bomb.update();
    defenses.forEach(function (defense) {
      if (bomb.intersects(defense)) {
        defense.destroy();
        bomb.destroy();
        defenses.splice(defenses.indexOf(defense), 1);
        bombs.splice(index, 1);
      }
    });
  });
  // Drop bombs
  if (LK.ticks % 60 === 0) {
    var bomb = new Bomb();
    bomb.x = viggen.x;
    bomb.y = viggen.y;
    bombs.push(bomb);
    game.addChild(bomb);
  }
};