/****
* Classes
****/
var Bullet = Container.expand(function (x, y) {
  var self = Container.call(this);
  self.speed = -15;
  var bulletGraphics = self.attachAsset('bullet', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.x = x;
  self.y = y;
  self.update = function () {
    self.y += self.speed;
    if (self.y < 0) {
      self.destroy();
    }
  };
  return self;
});
//<Write entity 'classes' with empty functions for important behavior here>
var Hero = Container.expand(function () {
  var self = Container.call(this);
  self.speed = 10;
  self.health = 100;
  self.shootCooldown = 0;
  self.update = function () {
    if (self.shootCooldown > 0) {
      self.shootCooldown--;
    }
  };
  self.shoot = function () {
    if (self.shootCooldown === 0) {
      var bullet = new Bullet(self.x, self.y - 50);
      game.addChild(bullet);
      bullets.push(bullet);
      self.shootCooldown = 30; // Cooldown period
    }
  };
  return self;
});
var Galaktion = Hero.expand(function () {
  var self = Hero.call(this);
  var galaktionGraphics = self.attachAsset('galaktion', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  return self;
});
var Adrian = Hero.expand(function () {
  var self = Hero.call(this);
  var adrianGraphics = self.attachAsset('adrian', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  return self;
});
var Scythian = Container.expand(function () {
  var self = Container.call(this);
  self.speed = 5;
  var scythianGraphics = self.attachAsset('scythian', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.update = function () {
    self.y += self.speed;
    if (self.y > 2732) {
      self.destroy();
    }
  };
  return self;
});

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

/****
* Game Code
****/
//<Write game logic code here, including initializing arrays and variables>
//<Assets used in the game will automatically appear here>
var galaktion = game.addChild(new Galaktion());
galaktion.x = 1024;
galaktion.y = 2400;
var adrian = game.addChild(new Adrian());
adrian.x = 1024;
adrian.y = 2600;
var scythians = [];
var bullets = [];
var score = 0;
var scoreTxt = new Text2('Score: 0', {
  size: 100,
  fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
game.down = function (x, y, obj) {
  if (y < 1366) {
    galaktion.shoot();
  } else {
    adrian.shoot();
  }
};
game.update = function () {
  galaktion.update();
  adrian.update();
  for (var i = scythians.length - 1; i >= 0; i--) {
    scythians[i].update();
    if (scythians[i].intersects(galaktion) || scythians[i].intersects(adrian)) {
      LK.effects.flashScreen(0xff0000, 1000);
      LK.showGameOver();
    }
  }
  for (var j = bullets.length - 1; j >= 0; j--) {
    bullets[j].update();
    for (var k = scythians.length - 1; k >= 0; k--) {
      if (bullets[j].intersects(scythians[k])) {
        scythians[k].destroy();
        bullets[j].destroy();
        scythians.splice(k, 1);
        bullets.splice(j, 1);
        score++;
        scoreTxt.setText('Score: ' + score);
        break;
      }
    }
  }
  if (LK.ticks % 60 == 0) {
    var scythian = new Scythian();
    scythian.x = Math.random() * 2048;
    scythian.y = -100;
    game.addChild(scythian);
    scythians.push(scythian);
  }
};