Почему выходит ошибка?

Question

[AsylkhanY]

Touch touch = Input.GetTouch(0);
        if (touch.deltaPosition.x > 0f)
        {
            Debug.Log("right");
        }
        if (touch.deltaPosition.x < 0f)
        {
            Debug.Log("left");
        }

Выходит эта ошибка :

ArgumentException: Index out of bounds.
UnityEngine.Input.GetTouch (System.Int32 index) (at <2db13ba0d52343228aa9892c408fb49a>:0)
MoveManager.Update () (at Assets/Scripts/MoveManager.cs:16)