/****
* Classes
****/
// Block class
var Block = Container.expand(function () {
  var self = Container.call(this);
  var blockGraphics = self.attachAsset('block', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 5;
  self.update = function () {
    self.y += self.speed;
    if (self.y > 2732 + 50) {
      self.destroy();
      blocks.splice(blocks.indexOf(self), 1);
    }
  };
});
// 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;
    if (self.y < -50) {
      self.destroy();
      bullets.splice(bullets.indexOf(self), 1);
    }
  };
});
//<Assets used in the game will automatically appear here>
// Plane class
var Plane = Container.expand(function () {
  var self = Container.call(this);
  var planeGraphics = self.attachAsset('plane', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.shoot = function () {
    var bullet = new Bullet();
    bullet.x = self.x;
    bullet.y = self.y - planeGraphics.height / 2;
    game.addChild(bullet);
    bullets.push(bullet);
  };
});

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

/****
* Game Code
****/
var plane = new Plane();
plane.x = 2048 / 2;
plane.y = 2732 - 200;
game.addChild(plane);
var bullets = [];
var blocks = [];
var hearts = 3;
var score = 0;
var scoreTxt = new Text2('Score: 0', {
  size: 100,
  fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
var heartsTxt = new Text2('Hearts: 3', {
  size: 100,
  fill: "#ffffff"
});
heartsTxt.anchor.set(0.5, 0);
LK.gui.topRight.addChild(heartsTxt);
game.down = function (x, y, obj) {
  plane.x = x;
  plane.y = y;
};
game.move = function (x, y, obj) {
  plane.x = x;
  plane.y = y;
};
game.update = function () {
  if (LK.ticks % 60 === 0) {
    plane.shoot();
  }
  if (LK.ticks % 120 === 0) {
    var block = new Block();
    block.x = Math.random() * 2048;
    block.y = -50;
    game.addChild(block);
    blocks.push(block);
  }
  bullets.forEach(function (bullet) {
    blocks.forEach(function (block) {
      if (bullet.intersects(block)) {
        bullet.destroy();
        block.destroy();
        bullets.splice(bullets.indexOf(bullet), 1);
        blocks.splice(blocks.indexOf(block), 1);
        score += 10;
        scoreTxt.setText('Score: ' + score);
      }
    });
  });
  blocks.forEach(function (block) {
    if (plane.intersects(block)) {
      block.destroy();
      blocks.splice(blocks.indexOf(block), 1);
      hearts -= 1;
      heartsTxt.setText('Hearts: ' + hearts);
      if (hearts <= 0) {
        LK.effects.flashScreen(0xff0000, 1000);
        LK.showGameOver();
      }
    }
  });
};