Grid hex cursor

private Vector3 offSet;
    [SerializeField] private float cellSize = 1;
    [SerializeField] private Vector3 roundPosition;
    [SerializeField] private Vector3 cursorPosition;

    private void Update()
    {
        cursorPosition = GetCursorPosition();

        if((Round(cursorPosition.z, cellSize) % 2) == 0)//Проверка на четность
        {
            roundPosition = new Vector3(RoundFloor(cursorPosition.x, cellSize), cursorPosition.y, Round(cursorPosition.z, cellSize));
            offSet = Vector3.right * 0.5f;
        }
        else
        {
            roundPosition = new Vector3(Round(cursorPosition.x, cellSize), cursorPosition.y, Round(cursorPosition.z, cellSize));
            offSet = Vector3.zero;
        }

        transform.position = roundPosition + offSet;
    }

    public Vector3 GetCursorPosition()
    {
        Vector3 mouse = Input.mousePosition;
        Ray castPoint = Camera.main.ScreenPointToRay(mouse);
        RaycastHit hit;
        if (Physics.Raycast(castPoint, out hit, Mathf.Infinity))
        {
            return hit.point;
        }

        return Vector3.zero;
    }

    private float Round(float position, float cellSize)
    {
        return Mathf.Round(position / cellSize) * cellSize;
    }

    private float RoundFloor(float position, float cellSize)
    {
        return Mathf.Floor(position / cellSize) * cellSize;
    }