public void OnBeginDrag(PointerEventData eventData)
    {
        startPos = GameManager.Instance.player.transform.position;
    }

    public void OnDrag(PointerEventData eventData)
    {

        endPos = startPos + new Vector3(eventData.delta.x * GameManager.Instance.land.localScale.x / Screen.width,
                     0, 0);

        transitPos = startPos;
        transitPos = Vector3.Lerp(transitPos, endPos, 0.5f);

        GameManager.Instance.player.GetComponent<CharacterController>().Move(transitPos - startPos);

        startPos = transitPos;

    }