/****
* Classes
****/
// Bullet class
var Bullet = Container.expand(function () {
  var self = Container.call(this);
  var bulletGraphics = self.attachAsset('bullet', {
    width: 10,
    height: 20,
    color: 0xffffff,
    shape: 'box'
  });
  self.speed = -10;
  // Move bullet
  self.move = function () {
    self.y += self.speed;
  };
});
// Assets are automatically created based on usage in the code.
// Plane class
var Plane = Container.expand(function () {
  var self = Container.call(this);
  // Initialize plane with a shape asset
  var planeGraphics = self.attachAsset('plane', {
    width: 60,
    height: 60,
    color: 0xff0000,
    // Default red, will be overridden
    shape: 'ellipse'
  });
  self.speedX = 0;
  self.speedY = 0;
  // Method to update plane position
  self.update = function () {
    self.x += self.speedX;
    self.y += self.speedY;
    // Keep the plane within the game boundaries
    if (self.x < 0 || self.x > 2048) self.speedX *= -1;
    if (self.y < 0 || self.y > 2732) self.speedY *= -1;
  };
  // Method to shoot a bullet
  self.shoot = function () {
    var bullet = new Bullet();
    bullet.x = self.x;
    bullet.y = self.y;
    bullets.push(bullet);
    game.addChild(bullet);
  };
});

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

/****
* Game Code
****/
var bullets = []; // Global array to keep track of bullets
// Create two planes
var plane1 = new Plane();
plane1.x = 200;
plane1.y = 200;
plane1.speedX = 5;
plane1.speedY = 3;
plane1.attachAsset('plane', {
  color: 0x0000ff
}); // Blue color for plane1
var plane2 = new Plane();
plane2.x = 1848; // Start from the opposite side
plane2.y = 2532;
plane2.speedX = -5;
plane2.speedY = -3;
plane2.attachAsset('plane', {
  color: 0xff0000
}); // Red color for plane2
// Add planes to the game
game.addChild(plane1);
game.addChild(plane2);
// Set up game tick
LK.on('tick', function () {
  plane1.update();
  plane2.update();
  // Planes shoot bullets periodically
  if (LK.ticks % 60 == 0) {
    plane1.shoot();
    plane2.shoot();
  }
  // Update and check bullets
  for (var i = bullets.length - 1; i >= 0; i--) {
    bullets[i].move();
    // Check for bullet collision with planes
    if (bullets[i].intersects(plane1) || bullets[i].intersects(plane2)) {
      // For simplicity, just remove the bullet on collision
      bullets[i].destroy();
      bullets.splice(i, 1);
    } else if (bullets[i].y < -50 || bullets[i].y > 2782) {
      // Remove off-screen bullets
      bullets[i].destroy();
      bullets.splice(i, 1);
    }
  }
});
// Simple touch controls to change plane directions
game.on('down', function (obj) {
  var pos = obj.event.getLocalPosition(game);
  // If touch is on the left half of the screen, change plane1 direction
  if (pos.x < 1024) {
    plane1.speedX *= -1;
    plane1.speedY *= -1;
  } else {
    // If touch is on the right half, change plane2 direction
    plane2.speedX *= -1;
    plane2.speedY *= -1;
  }
});