初学unity开灯

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

public class NewBehaviourScript : MonoBehaviour
{
public GameObject ui;
public GameObject LIGHT;
void OnTriggerEnter()
{
Debug.Log(“enter”);

}
void OnTriggerStay()
{
    Debug.Log("stay");
    ui.SetActive(true);
    LIGHT.SetActive(true);
}
void OnTriggerExit()
{
    Debug.Log("exit");
    ui.SetActive(false);
    LIGHT.SetActive(false);
}

}