private static int GetCollisionIndex(Zombie moving, ICollection<GameObj> objects, List<Position> movingProfile)
        {
            int collisionIndex = 0;

            foreach (var obj in objects)
            {
                if (moving.CanCollideWith(obj.GetCollisionGroupString()) || obj.CanCollideWith(moving.GetCollisionGroupString()))
                {
                    List<Position> objProfile = obj.GetCollisionProfile();

                    if (ProfilesIntersect(movingProfile, objProfile))
                    {
                        return collisionIndex;
                    }
                }

                collisionIndex++;
            }

            return -1;
        }