Objects instantiate at prefab location instead of playtime location

Question

When I instantiate my bullets from my gun at my gun barrel in the Shoot() function it instantiates at the (0,0,0) location it is on my prefab object. But when I instantiate it in the Update function it instantiates the bullets at the runtime barrel actual location. If I print the barrel position in the Shoot function it says (0,0,0) but in the update function, it does the live position.

using UnityEngine; public class Weapon : MonoBehaviour { public int damage; public int range; public int speed; public Transform barrel; //shotgun public float spread; public int bulletCount;

 public Camera fpsCam;
 public GameObject bullet;
 private void Start()
 {
     barrel = gameObject.GetComponentInChildren<Transform>();
 }
 public void Shoot()
 {
     Transform bt = barrel.transform;
     for (int i = 0; i < bulletCount; i++)
     {
         print("L" + barrel.transform.position);
         var randomNumberX = Random.Range(-spread, spread);
         var randomNumberY = Random.Range(-spread, spread);
         GameObject b = Instantiate(bullet, transform.position, transform.rotation);
         b.transform.Rotate(randomNumberX, randomNumberY, 0);
         Rigidbody rb = b.GetComponent<Rigidbody>();
         rb.AddForce(transform.forward * speed * Time.deltaTime);


     }
 }
 private void Update()
 {
   

 }

}

Answer 1

Answer by Lazdude17 · Dec 08, 2019 at 07:00 PM

I would just get rid of the Start function. You name the Transform in Shoot().

 public void Shoot()
  {
      //no need for transform. you only use the position
      Vector 3 bt = barrel.transform.position;

      for (int i = 0; i < bulletCount; i++)
      {
          print("L" + barrel.transform.position);
          var randomNumberX = Random.Range(-spread, spread);
          var randomNumberY = Random.Range(-spread, spread);

          //You made a bt variable for barrel transform and never used it
          GameObject b = Instantiate(bullet, bt.position, Quaternion.Identity);

          b.transform.Rotate(randomNumberX, randomNumberY, 0);
          Rigidbody rb = b.GetComponent<Rigidbody>();
          rb.AddForce(transform.forward * speed * Time.deltaTime);
      }
  }

May be the problem, but Idk how your prefab is set up.

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Lazdude17 · Dec 08, 2019 at 07:01 PM 0

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And you need to run Shoot() in your Update() so that everytime Shoot() is called it will update bt.

Objects instantiate at prefab location instead of playtime location

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