Rouigh guide for reddit post

DoorController.cs

public class DoorController : MonoBehaviour {

  public void OnInteract() {
    animator.SetTrigger("close");
  }
}

InteractController.cs

public class InteractController : MonoBehaviour {
  void Update() {
    if (Input.GetKeyDown(KeyCode.E)) {
      RayCastHit hit;
      if (Phsics.Raycast(transform.position, transform.forward, out hit, 3f, doorsLayerMask)) {
        var interactable = hit.collider.GetComponent<DoorController>();
        interactable.OnInteract();
      }
    }
  }  
}