OpenCloseDoor

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

public class OpenCloseDoor : MonoBehaviour
{
    Animator anim;
    bool playerInTrigger = false;
    public bool doorIsClosed = true;
    public Transform playerTrans;

    private void Start()
    {
        anim = GetComponent<Animator>();
        playerTrans = GameObject.FindWithTag("Player").transform;
    }

    private void OnTriggerEnter(Collider other)
    {
        if (other.CompareTag("Player"))
        {
            playerInTrigger = true;
        }
    }

    private void OnTriggerExit(Collider other)
    {
        if (other.CompareTag("Player"))
        {
            playerInTrigger = false;
        }
    }

    private void Update()
    {
        if (playerInTrigger && Input.GetMouseButtonDown(0))
        {
            if (doorIsClosed)
            {
                anim.SetTrigger("open");
                doorIsClosed = false;
            }
            else
            {
                anim.SetTrigger("close");
                doorIsClosed = true;
            }
        }
    }
}