Unity C# Disappearing GameObject

C# script to make GameObject disappear for fixed periods of time.

using UnityEngine;
using System.Collections;

// ? 2017 TheFlyingKeyboard and released under MIT License
// theflyingkeyboard.net

public class Disappear : MonoBehaviour {
    public GameObject objectToDisappear;

    public bool invisible;
    private bool change;

    public float timeBetweenDisappears;
    private float timeBetweenDisappearsStore;

    public float disappearTime;
    private float disappearTimeStore;

    public float delayTime = 0.0f;

    // Use this for initialization
    void Start () {
        change = true;
        timeBetweenDisappearsStore = timeBetweenDisappears;
        disappearTimeStore = disappearTime;

        timeBetweenDisappears += delayTime;
    }
  
  // Update is called once per frame
  void Update () {
        if (invisible)
        {
            if (timeBetweenDisappears <= 0.0f)
            {
                change = true;
                timeBetweenDisappears = timeBetweenDisappearsStore;
            }

            timeBetweenDisappears -= Time.deltaTime;

            if (change)
            {
                objectToDisappear.SetActive(false);
                invisible = false;
                change = false;
            }      
        }
        else
        {
            if (disappearTime <= 0.0f)
            {
                change = true;
                disappearTime = disappearTimeStore;
            }

            disappearTime -= Time.deltaTime;

            if (change)
            {
                objectToDisappear.SetActive(true);
                invisible = true;
                change = false;
            }
        }
    }
}