/****
* Classes
****/
// Hero class
var Hero = Container.expand(function () {
  var self = Container.call(this);
  var heroGraphics = self.createAsset('hero', 'Hero character', 0.5, 0.5);
  self.shoot = function () {
    // Hero shoot logic
  };
  self.update = function () {
    // Hero update logic
  };
});
// Enemy class
var Enemy = Container.expand(function () {
  var self = Container.call(this);
  var enemyGraphics = self.createAsset('enemy', 'Enemy character', 0.5, 0.5);
  self.speed = 2;
  self.move = function () {
    self.y += self.speed;
  };
});
// Bullet class
var Bullet = Container.expand(function () {
  var self = Container.call(this);
  var bulletGraphics = self.createAsset('bullet', 'Bullet Graphics', 0.5, 0.5);
  self.speed = -10;
  self.move = function () {
    self.y += self.speed;
  };
});

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

/****
* Game Code
****/
// Initialize important asset arrays
var bullets = [];
var enemies = [];
// Create hero instance
var hero = game.addChild(new Hero());
hero.x = 2048 / 2;
hero.y = 2732 - 200; // Position hero near the bottom of the screen
// Score display
var scoreTxt = new Text2('0', {
  size: 150,
  fill: "#ffffff"
});
scoreTxt.anchor.set(0.5, 0);
LK.gui.top.addChild(scoreTxt);
// Game logic
var isGameOver = false;
var score = 0;
// Event listeners
game.on('down', function (obj) {
  var touchPos = obj.event.getLocalPosition(game);
  hero.x = touchPos.x;
  hero.shoot();
});
LK.on('tick', function () {
  if (!isGameOver) {
    // Update hero
    hero.update();
    // Move and check bullets
    for (var b = bullets.length - 1; b >= 0; b--) {
      bullets[b].move();
      if (bullets[b].y < 0) {
        bullets[b].destroy();
        bullets.splice(b, 1);
      } else {
        // Check for bullet-enemy collisions
        for (var e = enemies.length - 1; e >= 0; e--) {
          if (bullets[b].intersects(enemies[e])) {
            score += 1;
            scoreTxt.setText(score.toString());
            enemies[e].destroy();
            enemies.splice(e, 1);
            bullets[b].destroy();
            bullets.splice(b, 1);
            break;
          }
        }
      }
    }
    // Move and check enemies
    for (var e = enemies.length - 1; e >= 0; e--) {
      enemies[e].move();
      if (enemies[e].y > 2732) {
        enemies[e].destroy();
        enemies.splice(e, 1);
      } else if (enemies[e].intersects(hero)) {
        isGameOver = true;
        LK.effects.flashScreen(0xff0000, 1000);
        LK.showGameOver();
      }
    }
    // Spawn enemies
    if (LK.ticks % 120 == 0) {
      var newEnemy = new Enemy();
      newEnemy.x = Math.random() * 2048;
      newEnemy.y = -50;
      enemies.push(newEnemy);
      game.addChild(newEnemy);
    }
  }
});
// Hero shoot method
Hero.prototype.shoot = function () {
  var newBullet = new Bullet();
  newBullet.x = this.x;
  newBullet.y = this.y;
  bullets.push(newBullet);
  game.addChild(newBullet);
};
// Hero update method
Hero.prototype.update = function () {
  // Add hero update logic if needed
};
// Enemy move method
Enemy.prototype.move = function () {
  this.y += this.speed;
};
// Bullet move method
Bullet.prototype.move = function () {
  this.y += this.speed;
};