(sorry for bad English) Hi, I'm working with a virtual button on AR that can show certain objects if the button pressed and do some loop. In December 2019 this virtual button seems well then I'm taking a break, but now I want to continue this project and now it doesn't work. This is my code. Thanks

using System.Collections;

using System.Collections.Generic;

using UnityEngine;

using Vuforia;

public class vbPisces : MonoBehaviour

{

    GameObject fish1;

    GameObject fish2;

    GameObject fish3;

    VirtualButtonBehaviour vbPiscesNext;

    VirtualButtonBehaviour vbPiscesPrev;

    int obj=0;

    // Start is called before the first frame update

    void Start()

    {

        VirtualButtonBehaviour[] vbs = GetComponentsInChildren<VirtualButtonBehaviour>();

        for (int i=0; i < vbs.Length; ++i){

            vbs[i].RegisterOnButtonPressed(OnButtonPressed);

            vbs[i].RegisterOnButtonReleased(OnButtonReleased);

        }

        fish1 = GameObject.Find("fish1");

        fish2 = GameObject.Find("fish2");

        fish3 = GameObject.Find("fish3");

        fish2.SetActive(false);

        fish3.SetActive(false);

    }

    public void show(int input)

    {

        obj+=input;

        switch (obj)

        {

            case 1:

                fish1.SetActive(false);

                fish2.SetActive(true);

                fish3.SetActive(false);

            break;

            case 2:

                fish1.SetActive(false);

                fish2.SetActive(false);

                fish3.SetActive(true);

            break;

            case 3:

                fish1.SetActive(true);

                fish2.SetActive(false);

                fish3.SetActive(false);

            break;

            default:

            if(obj > 3)

            {

                obj=1;

            } else {

                obj=3;

            }

            show(0);

            break;

        }

       

    }

    public void OnButtonPressed(VirtualButtonBehaviour vb) {

        Debug.Log("pressed");

        switch (vb.VirtualButtonName)

        {

            case "vbPiscesNext":

                show(1);

            break;

            case "vbPiscesPrev":

                show(-1);

            break;

        }

    }

    public void OnButtonReleased(VirtualButtonBehaviour vb){

        Debug.Log("nope");

    }

    // Update is called once per frame

    void Update()

    {

    

    }

}