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Question by imbruceter · Dec 18, 2021 at 02:31 PM · c#androidunity 5gameobjecttransform

Change gameobjects position if it's already used by a different gameobject?

Gameobjects are getting randomly spawned on some platform objects. I want to avoid these two different gameobject to be spawned at the same exact location (money2 should change it's position).

Here is the code:

 void Start()
 {
     int randMoney = Random.Range(0, 8);
     Vector3 moneyPos = transform.position;
     moneyPos.y += 0.5f;
     if (randMoney < 1)
     {
         GameObject moneyInstance = Instantiate(money, moneyPos, money.transform.rotation);
         moneyInstance.transform.SetParent(gameObject.transform);
     }

     int randMoney2 = Random.Range(0, 8);
     Vector3 money2Pos = transform.position;
     money2Pos.y += 0.5f;
     if (randMoney2 < 1)
     {
         GameObject money2Instance = Instantiate(money2, money2Pos, money2.transform.rotation);
         money2Instance.transform.SetParent(gameObject.transform);
     }

     if (money2Pos == moneyPos)
     {
         //where gameobject2s position should change
     }
 }

Thank you for taking your time!

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Answer by jmhoubre · Dec 18, 2021 at 10:32 PM

In your code, money2Pos and moneyPos are always the same : transform.position is the position of the gameObject to which the script is attached.

 if (money2Pos == moneyPos)
      {
          //where gameobject2s position should change
         float radius = 2f;
         Vector3 randomVector = Random.onUnitSphere * radius;
         money2Pos += randomVector;
      }


PS : Given the errors on the floats, you should test the distance between the two positions : if ((money2Pos - moneyPos).sqrMagnitude < 0.01f)

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