/****
* Classes
****/
// 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;
  };
});
// Enemy class
var Enemy = Container.expand(function () {
  var self = Container.call(this);
  var enemyGraphics = self.attachAsset('enemy', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 3;
  self.update = function () {
    // Enemy update logic
  };
});
//<Assets used in the game will automatically appear here>
// Player class
var Player = Container.expand(function () {
  var self = Container.call(this);
  var playerGraphics = self.attachAsset('player', {
    anchorX: 0.5,
    anchorY: 0.5
  });
  self.speed = 5;
  self.update = function () {
    // Player update logic
  };
  self.move = function (x, y) {
    self.x = x;
    self.y = y;
  };
});

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

/****
* Game Code
****/
// Initialize players, enemies, and bullets
var players = [];
var enemies = [];
var bullets = [];
// Create player
var player = new Player();
player.x = 1024;
player.y = 1366;
game.addChild(player);
players.push(player);
// Create enemies
for (var i = 0; i < 5; i++) {
  var enemy = new Enemy();
  enemy.x = Math.random() * 2048;
  enemy.y = Math.random() * 1366;
  game.addChild(enemy);
  enemies.push(enemy);
}
// Handle player movement
game.move = function (x, y, obj) {
  player.move(x, y);
};
// Handle shooting
game.down = function (x, y, obj) {
  var bullet = new Bullet();
  bullet.x = player.x;
  bullet.y = player.y;
  game.addChild(bullet);
  bullets.push(bullet);
};
// Update game state
game.update = function () {
  // Update bullets
  for (var i = bullets.length - 1; i >= 0; i--) {
    bullets[i].update();
    if (bullets[i].y < 0) {
      bullets[i].destroy();
      bullets.splice(i, 1);
    }
  }
  // Update enemies
  for (var j = 0; j < enemies.length; j++) {
    enemies[j].update();
    if (player.intersects(enemies[j])) {
      // Handle player-enemy collision
      LK.effects.flashScreen(0xff0000, 1000);
      LK.showGameOver();
    }
  }
};