/****
* Classes
****/
// Assets will be automatically created and loaded by the LK engine based on usage in the game code.
// Player's Bullet
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 < 0) {
      self.destroy();
    }
  };
});
// Target
var Target = Container.expand(function () {
  var self = Container.call(this);
  var targetGraphics = self.attachAsset('target', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.update = function () {
    // Targets just float in space, could add movement or other behaviors here
  };
});

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

/****
* Game Code
****/
var bullets = [];
var targets = [];
var score = 0;
// Create a target at a random position
function spawnTarget() {
  var target = new Target();
  target.x = Math.random() * 2048;
  target.y = Math.random() * 2732;
  game.addChild(target);
  targets.push(target);
}
// Check for bullet collisions with targets
function checkCollisions() {
  bullets.forEach(function (bullet, bulletIndex) {
    targets.forEach(function (target, targetIndex) {
      if (bullet.intersects(target)) {
        bullet.destroy();
        target.destroy();
        bullets.splice(bulletIndex, 1);
        targets.splice(targetIndex, 1);
        score += 1;
        LK.effects.flashObject(target, 0xff0000, 500); // Flash target red on hit
      }
    });
  });
}
// Shoot a bullet from the bottom center of the screen
function shoot(x, y) {
  var bullet = new Bullet();
  bullet.x = x;
  bullet.y = 2732; // Start from the bottom of the screen
  game.addChild(bullet);
  bullets.push(bullet);
}
// Game update function
game.update = function () {
  if (LK.ticks % 120 == 0) {
    // Spawn a target every 2 seconds
    spawnTarget();
  }
  checkCollisions();
};
// Touch event to shoot
game.down = function (x, y, obj) {
  shoot(x, y);
};
// Initialize a few targets
for (var i = 0; i < 5; i++) {
  spawnTarget();
}