code

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

public class DoorCellDistance : MonoBehaviour
{
    public float TheDistance;
    public GameObject ActionDisplay;
    public GameObject ActionText;
    public GameObject TheDoor;
    public AudioSource CreakSound;
    public AudioSource CreakSoundClose;


    void Update()
    {
        TheDistance = PlayerCasting.DistanceFromTarget;

    }

    void OnMouseOver()
    {
        if (TheDistance <= 1)
        {
            ActionDisplay.SetActive(true);
            ActionText.SetActive(true);

        }
        if (Input.GetButtonDown("Action"))
        {
            if (TheDistance <= 1)
            {
                this.GetComponent<BoxCollider>().enabled = false;
                ActionDisplay.SetActive(false);
                ActionText.SetActive(false);
                TheDoor.GetComponent<Animation> ().Play ("DoorOpen001");
                CreakSound.Play();

                StartCoroutine(DoorClose());

            }
        }
    }
     void OnMouseExit()
    {
        ActionDisplay.SetActive(false);
        ActionText.SetActive(false);
    }
    IEnumerator DoorClose ()

    {
        yield return new WaitForSeconds(7);
        TheDoor.GetComponent<Animation>().Play("DoorClose001");
        CreakSoundClose.Play();
        yield return new WaitForSeconds(0);
    }
}