Question regarding doors...

So currently I'm trying to work on a door controller script, (I'm new to unity) and I'm having some issues with collision detection. Originally, I used checksphere that was able to tell if the player was colliding with a trigger collider, but when I added more doors, it would open them all at once. So I cut that, and now im here...

Code (CSharp):

1. public class DoorController : MonoBehaviour
2. {
3.     public Animator anim;
4.  
5.     public AudioSource doorSound;
6.  
7.  
8.     // Start is called before the first frame update
9.     void Start()
10.     {
11.         anim = gameObject.GetComponent<Animator>();
12.     }
13.  
14.     //I need this code to check if it collided with one specific collider
15.     public void OnTriggerStay(Collider other)
16.     {
17.         Debug.Log("Open");
18.  
19.         if (other.gameObject.tag == "1st floor power door" && Input.GetKeyDown("e"))
20.         {
21.             anim.SetTrigger("OpenClose");
22.  
23.             GetComponent<AudioSource>().Play();
24.  
25.             GetComponent<AudioSource>().volume = Random.Range(0.4f, .8f);
26.             GetComponent<AudioSource>().pitch = Random.Range(1.2f, 1.8f);
27.         }
28.     }
29. }

My problem is this... I don't want to use tags, I want to be able to directly reference the trigger game object so I don't have to make a new tag every time I want to make a new door. Is there a way to check if the player controller is colliding with a game object/trigger by referencing it before start?

 

I would use a class for this task. Simply add the class below to each door gameobject:

Code (CSharp):

1. using UnityEngine;
2.  
3. //Assign this script to a "Door" Object (the one with a Trigger Collider)
4. public class OpenableDoor : MonoBehaviour
5. {
6.   // you can add variables here to descripe the properties of this door but dont needed
7.   public bool open = false;
8.   public bool enter = false;
9.   public float openSpeed = 1f;
10. }

And then check if you entered a door:

Code (CSharp):

1. using UnityEngine;
2.  
3. public class DoorController : MonoBehaviour
4. {
5.     public Animator anim;
6.     public AudioSource doorSound;
7.     // Start is called before the first frame update
8.     void Start()
9.     {
10.         anim = gameObject.GetComponent<Animator>();
11.     }
12.     //I need this code to check if it collided with one specific collider
13.     public void OnTriggerStay(Collider other)
14.     {
15.         OpenableDoor openableDoor = other.gameObject.GetComponent<OpenableDoor>();
16.         if (openableDoor!=null) {
17.           openableDoor.enter = true;
18.  
19.           if (Input.GetKeyDown("e"))
20.           {
21.              openableDoor.open = true;
22.              anim.SetTrigger("OpenClose"); // here your could pass the speed too -> openableDoor.openSpeed
23.              GetComponent<AudioSource>().Play();
24.              GetComponent<AudioSource>().volume = Random.Range(0.4f, .8f);
25.              GetComponent<AudioSource>().pitch = Random.Range(1.2f, 1.8f);
26.           }
27.         }
28.     }
29.  
30.     public void OnTriggerExit(Collider other)
31.     {
32.         OpenableDoor openableDoor = other.gameObject.GetComponent<OpenableDoor>();
33.         if (openableDoor!=null) {
34.           openableDoor.enter = false;
35.         }
36.     }
37. }