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Question by ina · Dec 17, 2012 at 07:34 AM · getcomponentsinchildren

GetComponentsInChildren always the same order

Is the array returned from http://docs.unity3d.com/Documentation/ScriptReference/Component.GetComponentsInChildren.html always in the same order?

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Answer by Agustin Petrini · Apr 27, 2015 at 03:50 PM

For anybody landing here, it does: http://forum.unity3d.com/threads/getcomponentsinchildren.4582/#post-33983

And if it does not, I'm about to get into trouble ...

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Answer by Eric5h5 · Dec 17, 2012 at 07:44 AM

The order is undefined.

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avatar image ina · Dec 17, 2012 at 10:25 AM 0
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what does that mean

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Answer by nirharpaz · Oct 08, 2015 at 11:32 AM

this is a long but reliable way as the default order is undefined. hope it helps

 public SomeComponent[]  Components;
 private Transform _myTransform;
 
 void GetChildrenByOrder()
     {
         SomeComponent[] temp = GetComponentsInChildren<SomeComponent> () as SomeComponent[];
         Components = new SomeComponent[temp.Length];
         int index = 0;
         int noOfChildren = _myTransform.childCount;
         for (int i=0; i<noOfChildren;i++)
         {
             SomeComponent childComponent = _myTransform.GetChild(i).GetComponent<SomeComponent>();
             if(childComponent!=null)
             {
                 Components[index] = childComponent;
                 index++;
             }
         }
     }
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avatar image nirharpaz · Oct 08, 2015 at 11:33 AM 0
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the whole thing with _myTransform rather than just transform is for optimization. I call the object and claim the transform only once rather than every time.

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