private bool IsPacmanMakeCollisionWithPills(Rectangle pacmanRect, MoveableGameObject.direction direction)
        {
            int radius = 8;

            Rectangle pacmanMiniRect = new Rectangle(pacmanRect.X + (GameObject.OBJECT_SIZE / 2) - radius,
                                                     pacmanRect.Y + (GameObject.OBJECT_SIZE / 2) - radius,
                                                     2 * radius,
                                                     2 * radius);

            foreach (MagicPillGameObject pill in pills)
            {
                if (pacmanMiniRect.Intersects(pill.ScreenRectangle))
                {

                    pill.Clear();
                    return true;
                }

            }

            return false;
        }
        private bool IsPacmanMakeCollisionWithMonsters(Rectangle pacmanRect, MoveableGameObject.direction direction)
        {
            foreach(MonsterGameObject monster in monsters)
            {
                if (pacmanRect.Intersects(monster.ScreenRectanglePosition))
                {
                    if (MonsterGameObject.Ghost)
                    {
                        monster.Kill();
                    }
                    else
                    {
                        if(! monster.IsDead)
                            return true;
                    }

                }

            }

            return false;
        }