WaterFlush/Assets/Magic_Spline/Scripts/changeEffects.cs

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

public class changeEffects : MonoBehaviour
{
    public GameObject[] effects;
    private GameObject currentObject;
    private int currentObjectID = 0;
    public GameObject guiTextLink;

    // Start is called before the first frame update
    void Start()
    {
        currentObject = Instantiate(effects[currentObjectID]);
        guiTextLink.GetComponent<Text>().text = effects[currentObjectID].name;
    }

    // Update is called once per frame
    void FixedUpdate()
    {
        if (Input.GetKeyDown(KeyCode.RightArrow))
            NextEffect();

        if (Input.GetKeyDown(KeyCode.LeftArrow))
            PrevEffect();
    }

    public void NextEffect()
    {
        if (currentObjectID < effects.Length - 1)
        {
            Destroy(currentObject);
            currentObject = Instantiate(effects[++currentObjectID]);
            guiTextLink.GetComponent<Text>().text = effects[currentObjectID].name;

        }
    }

    public void PrevEffect()
    {
        if (currentObjectID > 0)
        {
            Destroy(currentObject);
            currentObject = Instantiate(effects[--currentObjectID]);
            guiTextLink.GetComponent<Text>().text = effects[currentObjectID].name;
        }
    }

    public void RefreshEffect()
    {
        Destroy(currentObject);
        currentObject = Instantiate(effects[currentObjectID]);
    }
}