WaterFlush/Assets/Temp3D.cs

using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.UI;
public class Temp3D : MonoBehaviour
{
    public GameObject[] layer;

    public void ChangeLayer(int index) {
        for (int i = 0; i < layer.Length; i++) {
            layer[i].gameObject.SetActive(false);
        }
        layer[index].gameObject.SetActive(true);
    }
}