Question Write ray hit behaviour on gameObject being hit

Hello,

I'm doing a classic gun shooting a ray for a game. I want a way to handle the hit objects differently depending on their type, (NPC, dynamic objects, environment etc), which leads to a lot of code on the gun class.

I am looking for a way to simply detect if the ray hit something, then invoke a function on that object, with the RaycastHit information passed as a parameter.

I've added a 'handler' script that objects being hit will have, and that will point to a specific method on the object.

The issue I have is that I can't pass the raycasthit as a parameter using Invoke(), and I can't use a coroutine as I get this error in the HitHandler:

Non-invocable member 'name' cannot be used like a method.

On the gun

Code (CSharp):

1.     public void Shoot ()
2.     {
3.         RaycastHit hit;
4.         if (Physics.Raycast(barrelPoint.transform.position, barrelPoint.transform.forward, out hit))
5.         {
6.             try
7.             {
8.                 hit.transform.gameObject.GetComponent<HitHandler>().CallHitMethod(); // Want to pass hit as parameter here, which works.
9.  
10.             }
11.             catch (Exception e)
12.             {
13.                 Debug.Log(e);
14.             }
15.         }

My hit handler. The method to be called is inserted via the editor.

Code (CSharp):

1. public class HitHandler : MonoBehaviour
2. {
3.     [SerializeField]
4.     UnityEvent OnHit;
5.  
6.     public void CallHitMethod()
7.     {
8.         OnHit.Invoke(); // Want to pass hit as parameter here, which doesn't work. Also tried coroutine.
9.     }
10. }

The above handler would point to this class & function, where I'd handle the hit.

Code (CSharp):

1. public class Target : MonoBehaviour
2. {
3.     void OnBulletHit ()
4.     {
5.         Debug.Log("Ouch");
6.     }
7. }

 

Have I got something for you my friend... you are gonna LOVE this stuff. In fact, when I first learned about this stuff, I made the same exact gesture you are making in your avatar: pew pew pew!

Using Interfaces in Unity3D:

https://forum.unity.com/threads/how...rereceiver-error-message.920801/#post-6028457

https://forum.unity.com/threads/manager-classes.965609/#post-6286820

Check Youtube for other tutorials about interfaces and working in Unity3D. It's a pretty powerful combination.

 

Kurt-Dekker, you beauty. That worked great! Thanks.