Help With Adding a Tag To Script

Unity Engine
1

I’m creating a game and I am new to coding, I just can’t figure out how to add a tag to the following explosion on collision script, so if somebody could help, that would be great, (I found this on the internet).

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

public class ExplosiononCollision : MonoBehaviour
{
    // Start is called before the first frame update
    void Start()
    {

    }

    // Update is called once per frame
   
    public GameObject explosion;

    void OnCollisionEnter()
    {

            GameObject expl = Instantiate(explosion, transform.position, Quaternion.identity) as GameObject;
            Destroy(gameObject, .1f);
            Destroy(expl, 5);
    }
}

Thank You

2

You can assign a tag from the script like this:

myCrazyObject.tag = "Enemy";

HOWEVER, you must have defined that tag in the Tag Manager before you can use/assign it.

3

What do you mean “add a tag”?, please provide more info

you mean only trigger if for example an object tagged “player” hits the collider?
if so - it’s like this:

void OnCollisionEnter(Collision col) //get the collision parameters too
    {
            if(col.gameObject.CompareTag("Player")) //check if object is "xxx"
                 return; //if true - exit function
            GameObject expl = Instantiate(explosion, transform.position, Quaternion.identity) as GameObject;
            Destroy(gameObject, .1f);
            Destroy(expl, 5);
    }
4

When I said add a tag, I meant I wanted the explosion to happen when it collided with the object using that tag. I tried the code but it caused the object to explode whenever it touched anything but the assigned tag.

5

So just negate the expression in the if statement.

6

Could you explain more, as I am still new to coding.

7 
if(!col.gameObject.CompareTag("Player"))

Which means it will return if the collision happens with anything but the player.
So the explosion Instantiate will run when the collision happens with the player.

1 Like
8

Thanks everybody for the help, I got the game working.