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Question by RetroNuva10 · Feb 16, 2016 at 12:57 PM · javascriptrandom.range

Random.Range Issues [Java]

I've been following a beginner's course to Unity and I've run into a problem.

 function Update ()
 {
     if (Input.GetMouseButtonDown(0))
     {
         print ("Left Click");
         var hit : RaycastHit;
         var ray : Ray = Camera.main.ScreenPointToRay(Input.mousePosition);
         if (Physics.Raycast(ray, hit, 100.0))
         {
             if (hit.transform.tag == "enemy");
             {
                 var position = Vector3 (Random.Range(-2, 2),Random.Range(-5, 5), 0);
                 hit.transform.position = position;
                 print ("You hit an object!");
             }
         }
     }
 }

It should randomly move the position of the object between any of those numbers, but not move it forwards/backwards at all, yet it does.

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Answer by Statement · Feb 16, 2016 at 01:00 PM

It's overwriting z, which I am not sure you want it to do.
Try setting the new positions z to the old positions z.

 var z = hit.transform.position.z;
 var position = Vector3 (Random.Range(-2, 2),Random.Range(-5, 5), z);
 hit.transform.position = position;

Another possible solution would be to increment x and y instead of overwriting them.

 var position = Vector3 (Random.Range(-2, 2),Random.Range(-5, 5), 0);
 hit.transform.position = hit.transform.position + position;
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avatar image RetroNuva10 · Feb 16, 2016 at 06:17 PM 0
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@Statement Thank you! The first option worked.

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