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Question by Queee · Apr 26, 2017 at 10:54 PM · collision2d gametriggerbullet

How do i make my bullet destroy on trigger?

Hey im making a 2d shooter and im trying to get the bullets to destroy themselves when they hit something. They already collide with things because they can kill a enemy. What i have just wont work. ive tried alot of differnt things.

 using System.Collections;
 using System.Collections.Generic;
 using UnityEngine;
 
 public class ShotCollide : MonoBehaviour {
     public GameObject bulletPrefab;
     // Use this for initialization
 public bool hit;
 
     public float lifetime = .1f;
 
     void Awake()
     {
         Destroy(gameObject, lifetime);
     }
     
     void OnTriggerEnter () {
         Destroy(gameObject);
         hit = true;
     }
 
     void OnTriggerEnter2D(Collision2D coll)
     {
         if (coll.gameObject.tag == "Wall" )
         {
             Destroy(gameObject);
         }
     }
 }
 
 
 
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Answer by bennett_apps · Aug 02, 2018 at 07:48 PM

OnTriggerEnter doesn't work for 2d games...you HAVE to use OnTriggerEnter2D. Also, OnTriggerEnter2D should be written like:

 void OnTriggerEnter2D (Collider2D col) {
 
 }

And NOT:

 void OnTriggerEnter2D (Collision2D col) {
 
 }
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