Door

Door.cs

using System.Collections;
using UnityEngine;

public class Door : MonoBehaviour, ISwitchable
{
    private bool isActivated;
    public bool IsActivated => isActivated;
    public Switch switcher;
    
    //Local angles for the door to open and close
    public float openAngle = 90f, closeAngle = 0f;
    public float duration = 1f;

    void Start()
    {
        switcher.SetClient(this);
    }

    public void Activate()
    {
        Open();
        isActivated = true;
    }

    public void Deactivate()
    {
        Close();
        isActivated = false;
    }

    public void Open()
    {
        Debug.Log("Door opened!");
        StopAllCoroutines();
        StartCoroutine(DoorAction(openAngle));
    }

    public void Close()
    {
        Debug.Log("Door closed!");
        StopAllCoroutines();
        StartCoroutine(DoorAction(closeAngle));
    }

    IEnumerator DoorAction(float angle)
    {
        float t = 0;
        Vector3 startRot = transform.eulerAngles;
        Vector3 endRot = new Vector3(0, angle, 0);
        while (t < 1)
        {
            t += Time.deltaTime / duration;
            transform.eulerAngles = Vector3.Lerp(startRot, endRot, t);
            yield return null;
        }
        transform.eulerAngles = endRot;
    }
}

ISwitchable.cs

using UnityEngine;

public interface ISwitchable
{
    public bool IsActivated { get; }

    public void Activate();
    public void Deactivate();
}

Switch.cs

using UnityEngine;

public class Switch : MonoBehaviour
{
    ISwitchable client;

    public void SetClient(ISwitchable client)
    {
        this.client = client;
    }

    public void Toggle()
    {
        if (client.IsActivated)
        {
            client.Deactivate();
        }
        else
        {
            client.Activate();
        }
    }
}