MenuManager

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

public class MenuManager : MonoBehaviour
{
    // Changed to GameObject because only the game object of the menu needs to be accessed, you can
    // change this to any class that inherits MonoBehaviour
    public GameObject Rig_Menu;

    // Update is called once per frame
    void Update()
    {
        // Reverse the active state every time escape is pressed
        if (Input.GetKeyDown(KeyCode.Escape))
        {
            // Check whether it's active / inactive
            bool isActive = Rig_Menu.activeSelf;

            Rig_Menu.SetActive(!isActive);
        }
    }
}