/****
* Classes
****/
// Class for the Alien
var Alien = Container.expand(function () {
  var self = Container.call(this);
  var alienGraphics = self.attachAsset('alien', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.update = function () {
    // Alien update logic
  };
  return self;
});
//<Assets used in the game will automatically appear here>
// Class for the Hero
var Hero = Container.expand(function () {
  var self = Container.call(this);
  var heroGraphics = self.attachAsset('hero', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.update = function () {
    // Hero update logic
  };
  return self;
});
// Class for the Shape
var Shape = Container.expand(function () {
  var self = Container.call(this);
  var shapeGraphics = self.attachAsset('shape', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.update = function () {
    // Shape update logic
  };
  return self;
});

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

/****
* Game Code
****/
// Initialize arrays and variables
var hero;
var aliens = [];
var shapes = [];
var scoreTxt;
var score = 0;
// Initialize hero
hero = game.addChild(new Hero());
hero.x = 2048 / 2;
hero.y = 2732 - 200;
// Initialize score text
scoreTxt = new Text2('0', {
  size: 150,
  fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Function to spawn an alien
function spawnAlien() {
  var alien = new Alien();
  alien.x = Math.random() * 2048;
  alien.y = -100;
  aliens.push(alien);
  game.addChild(alien);
}
// Function to spawn a shape
function spawnShape() {
  var shape = new Shape();
  shape.x = Math.random() * 2048;
  shape.y = -100;
  shapes.push(shape);
  game.addChild(shape);
}
// Update function for the game
game.update = function () {
  // Update hero
  hero.update();
  // Update aliens
  for (var i = aliens.length - 1; i >= 0; i--) {
    aliens[i].update();
    if (aliens[i].y > 2732) {
      aliens[i].destroy();
      aliens.splice(i, 1);
    }
  }
  // Update shapes
  for (var j = shapes.length - 1; j >= 0; j--) {
    shapes[j].update();
    if (shapes[j].y > 2732) {
      shapes[j].destroy();
      shapes.splice(j, 1);
    }
  }
  // Check for collisions between hero and shapes
  for (var k = shapes.length - 1; k >= 0; k--) {
    if (hero.intersects(shapes[k])) {
      score += 1;
      scoreTxt.setText(score);
      shapes[k].destroy();
      shapes.splice(k, 1);
    }
  }
  // Check for collisions between hero and aliens
  for (var l = aliens.length - 1; l >= 0; l--) {
    if (hero.intersects(aliens[l])) {
      LK.effects.flashScreen(0xff0000, 1000);
      LK.showGameOver();
    }
  }
  // Spawn aliens and shapes periodically
  if (LK.ticks % 60 == 0) {
    spawnAlien();
  }
  if (LK.ticks % 120 == 0) {
    spawnShape();
  }
};
// Event listeners for dragging the hero
var dragNode = null;
game.down = function (x, y, obj) {
  dragNode = hero;
  handleMove(x, y, obj);
};
game.move = function (x, y, obj) {
  if (dragNode) {
    dragNode.x = x;
    dragNode.y = y;
  }
};
game.up = function (x, y, obj) {
  dragNode = null;
};
function handleMove(x, y, obj) {
  if (dragNode) {
    dragNode.x = x;
    dragNode.y = y;
  }
}