FueraDeEscala/Assets/Game Kit Controller/Scripts/Menu/resetScrollRectOnEnable.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;

public class resetScrollRectOnEnable : MonoBehaviour
{
    [Header ("Main Settings")]
    [Space]

    public bool resetEnabled = true;
    public bool useVerticalPosition;

    public float positionValue;

    [Space]
    [Header ("Debug")]
    [Space]

    public bool showDebugPrint;

    [Space]
    [Header ("Components")]
    [Space]

    public RectTransform mainRectTransform;
    public ScrollRect mainScrollRect;


    void OnEnable ()
    {
        if (resetEnabled) {
            resetRectTransform ();
        }
    }

    public void resetRectTransform ()
    {
        if (gameObject.activeInHierarchy) {
            StartCoroutine (resetRectTransformCoroutine ());
        }
    }

    IEnumerator resetRectTransformCoroutine ()
    {
        if (showDebugPrint) {
            print ("reseting rect transform");
        }

        if (mainRectTransform != null) {
            LayoutRebuilder.ForceRebuildLayoutImmediate (mainRectTransform);
        }

        yield return new WaitForEndOfFrame ();
        yield return new WaitForEndOfFrame ();

        if (mainScrollRect != null) {
            if (useVerticalPosition) {
                mainScrollRect.verticalNormalizedPosition = positionValue;
            } else {
                mainScrollRect.horizontalNormalizedPosition = positionValue;
            }
        }
    }
}