Input.GetTouch(0) vs Input.GetMouseButton(0), что лучше использовать в мобильных устройствах?

if (Input.GetMouseButton(0) && !EventSystem.current.IsPointerOverGameObject(Input.GetTouch(0).fingerId))

using UnityEngine;
using UnityEngine.Events;
using UnityEngine.EventSystems;
using UnityEngine.UI;

public class TouchPanel : Graphic, IPointerClickHandler, IDragHandler, IPointerDownHandler, IPointerUpHandler
{
	public DataEvent onClick = new DataEvent();
	public DataEvent onDrag = new DataEvent();
	public DataEvent onPointerDown = new DataEvent();
	public DataEvent onPointerUp = new DataEvent();

#if UNITY_EDITOR
	protected override void Reset()
	{
		base.Reset();
		color = Color.clear;
	}
#endif

	public void OnPointerClick(PointerEventData eventData)
	{
		onClick.Invoke(eventData);
	}

	public void OnDrag(PointerEventData eventData)
	{
		onDrag.Invoke(eventData);
	}

	public void OnPointerDown(PointerEventData eventData)
	{
		onPointerDown.Invoke(eventData);
	}

	public void OnPointerUp(PointerEventData eventData)
	{
		onPointerUp.Invoke(eventData);
	}

	public class DataEvent : UnityEvent<PointerEventData>
	{
	}
}