chip-gameV3/Assets/Scripts/MenuPromoTransit.cs

using UnityEngine;

public class MenuPromoTransit : MonoBehaviour
{
    [SerializeField] private Menu _menu;
    [SerializeField] private Promo _promo;

    private void Update()
    {
        if (Input.GetKeyDown(KeyCode.Alpha3)) GotoPromo();
        if (Input.GetKeyDown(KeyCode.Alpha4)) GotoMenu();
    }

    public void GotoPromo()
    {
        SoundManager.instance.FadeMusic(enable: false, _menu.menuAnimator._duration);
        _menu.Close(OnMenuClosed);

    }

    public void GotoMenu()
    {
        _promo.Close(OnPromoClosed);
    }

    private void OnMenuOpened()
    {
        ControlsPerformer.Instance.SetControlable(_menu);
    }

    private void OnMenuClosed()
    {
        _promo.Open(callback: PromoOpened);
    }

    private void PromoOpened()
    {
        ControlsPerformer.Instance.SetControlable(_promo);
    }

    private void OnPromoClosed()
    {
        SoundManager.instance.FadeMusic(enable: true, _menu.menuAnimator._duration);
        _menu.Open(callback: OnMenuOpened);
    }
}