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Question by heretic619 · Apr 09, 2012 at 10:48 PM · gameobjectrigidbodyinstantiate

Getting an error every time I try and access an Instantiated objects methods.

 Rigidbody newBall = Instantiate(ball, position, transform.rotation) as Rigidbody;
 newBall.transform.localScale = new Vector(.5f,.5f,.5f)

Returns and null reference error.

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avatar image heretic619 · Apr 09, 2012 at 10:58 PM 0
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Thank you I needed to cast it as a GameObject.

avatar image by0log1c · Apr 09, 2012 at 10:59 PM 0
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I'd personnally avoid writing float without the integer number. It leads to confusion and won't compile in a declaration. var myFloat:float = .5f; won't work

avatar image Eric5h5 · Apr 09, 2012 at 11:04 PM 0
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@BY0LOG1C: Huh? "var myFloat:float = .5f;" is perfectly valid, although it's JS and not C#. In C#, "var myFloat = .5f;" or "float myFloat = .5f;" are fine.

avatar image heretic619 · Apr 09, 2012 at 11:09 PM 0
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The answer to the problem should be:

 GameObject newBall = Instantiate(ball, position, transform.rotation) as GameObject;

 newBall.transform.localScale = new Vector(.5f,.5f,.5f)
avatar image by0log1c · Apr 09, 2012 at 11:11 PM 0
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Totally my bad, must've tested it too quickly... You always pick up my errors, Eric! Sorry for the erroneous info but in any case, I'd still write floats as the full number 0.5f. Another two cents of $$anonymous$$e.

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Answer by Eric5h5 · Apr 09, 2012 at 10:56 PM

I would assume that your "ball" prefab is not of type Rigidbody, so trying to cast newBall to Rigidbody results in null.

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avatar image gregzo · Apr 09, 2012 at 11:01 PM 0
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Sorry, misunderstood the question, assumed heretic was trying to add a rigidbody component. Deleted my wrongfuly accepted answer.

avatar image heretic619 · Apr 09, 2012 at 11:03 PM 0
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yeah, but your comment lead me to the right answer., not saying Eric5h5 was wrong, yours just got me there.

avatar image by0log1c · Apr 09, 2012 at 11:04 PM 0
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Now its marked as answered but there's no answer! I'd edited my post to reflect the new information (point to Eric's post). Well that's my two cents :)

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