public FlyingObjectManager(TargetBuildHelper targetBuildHelper, SpriteBatch sb, 
                                    Texture2D particle, int viewWidth, int viewHeight, AudioManager audioManager)
        {
            _bulletList = new List<Bullet>();
            _targetList = new List<TargetObject>();
            _bulletsToRemove = new List<Bullet>();
            _targetsToRemove = new List<TargetObject>();
            _explosionList = new List<Explosion>();
            _explosionToRemove = new List<Explosion>();

            _targetBuildHelper = targetBuildHelper;
            _spriteBatch = sb;
            _particle = particle;
            _viewWidth = viewWidth;
            _viewHeight = viewHeight;
            _audioManager = audioManager;
        }
        protected override void Initialize()
        {
            _spriteBatch = new SpriteBatch(GraphicsDevice);
            _isPaused = false;
            _gameContent = new GameContent(Content, GraphicsDevice);
            _audioManager = new AudioManager(_gameContent);

            int ht = _graphics.GraphicsDevice.Viewport.Height;
            int wt = _graphics.GraphicsDevice.Viewport.Width;

            float heightRatio = HEIGHT / (float)ht;
            float widthRatio = WIDTH / (float)wt;

            _backgroundRect = new Rectangle(0, 0, wt, ht);
            TargetBuildHelper targetHelper = new TargetBuildHelper(_gameContent, wt, ht, _spriteBatch);
            _flyingObjManager = new FlyingObjectManager(targetHelper, _spriteBatch, _gameContent.Particle, wt, ht, _audioManager);

            int gunCaseX = (int)(350 * widthRatio);
            int gunCaseY = (int)(600 * heightRatio); //black line is at 630
            _gunCaseLeftRect = new Rectangle(gunCaseX, gunCaseY, 60, 30);
            _gunCaseRightRect = new Rectangle(wt - gunCaseX - 60, gunCaseY, 60, 30);

            _player1 = new Player(new Vector2(10, ht - 50), 1, _gameContent, new Point(gunCaseX, gunCaseY), wt, ht, _spriteBatch, _flyingObjManager, _audioManager);
            _player2 = new Player(new Vector2(wt - 190, ht - 50), 2, _gameContent, new Point(wt - gunCaseX - 60, gunCaseY), wt, ht, _spriteBatch, _flyingObjManager, _audioManager);

            _roundManager = new RoundManager(new Vector2(wt / 2 - 100, ht - 50), _player1, _player2, _gameContent, _spriteBatch, _flyingObjManager);

            _player1Animation = new AnimationManager(_player1, _gameContent, _spriteBatch, _roundManager, _audioManager);
            _player2Animation = new AnimationManager(_player2, _gameContent, _spriteBatch, _roundManager, _audioManager);

            _centeredPromptRect = new Rectangle(340, 200, 600, 300);
            _winMessage = new Rectangle(520, 570, _gameContent.Player1Won.Width, _gameContent.Player1Won.Height);
            _roundMessage = new Rectangle(520, 570, _gameContent.RoundStarting.Width, _gameContent.RoundStarting.Height);

            _audioManager.StartBackground();
            base.Initialize();
        }