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Question by ClintonBates · Dec 08, 2017 at 10:33 PM · unity 2d

Game crash after trying to destroy an object?

Basically, I'm shooting a bullet out of character and after a certain amount of time the game just crashes.

generally crash's when I try to shoot again.

With this error

alt text using UnityEngine; using System.Collections;

 public class DestroyByTime : MonoBehaviour
 {
 
 
     public float lifetime;
 
     void Awake()
     {
         Destroy(gameObject, lifetime);
     }
 }


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avatar image fdz_ · Dec 08, 2017 at 11:13 PM 0
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Could the problem be on the shooting script?

avatar image ClintonBates fdz_ · Dec 09, 2017 at 01:02 AM 0
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Here the code for the bullets

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

 public class shootsomething : $$anonymous$$onoBehaviour
 {
 
 
     public GameObject projectile;
     public Vector2 velocity;
     bool canShoot = true;
     public Vector2 offset = new Vector2(0.4f, 0.1f);
     public float cooldown = 1f;
 
 
     // Use this for initialization
     void Start()
     {
 
     }
 
     // Update is called once per frame
     void Update()
     {
 
         if (Input.Get$$anonymous$$eyDown($$anonymous$$eyCode.T) && canShoot)
         {
 
             GameObject go = (GameObject)Instantiate(projectile, (Vector2)transform.position + offset * transform.localScale.x, Quaternion.identity);
 
             go.GetComponent<Rigidbody2D>().velocity = new Vector2(velocity.x * transform.localScale.x, velocity.y);
 
 
             StartCoroutine(CanShoot());
 
             
 
         }
 
 
     }
 
 
     IEnumerator CanShoot()
     {
         canShoot = false;
         yield return new WaitForSeconds(cooldown);
         canShoot = true;
 
 
     }
 }
 
 
avatar image fdz_ ClintonBates · Dec 09, 2017 at 01:18 AM 0
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is the GameObject projectile on the scene? Because it should not.

$$anonymous$$ake it a prefab. Assigned the prefab to the shootsomething.

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Answer by Larry-Dietz · Dec 08, 2017 at 11:44 PM

Are you instantiating another bullet object each time you shoot? The error leads me to believe you are not. It looks like you are firing the bullet object you have, then destroying it, then when you try to shoot again, you are referencing the same bullet object you destroyed earlier.

-Larry

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