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Question by grayfox · Aug 10, 2011 at 07:21 PM · instantiateclassresources

Calling Instantiate from a function within a class

Trying to call Instantiate from within a function in a class. Here's what it looks like:

 class Marker {
    function Action() {
       Object.Instantiate(Resources.Load("t_obj"), Vector3(10.0, 20.0, 100.0), Component.Transform.rotation);
    }
 }

The error I get is: "NullReferenceException: Object reference not set to an instance of an object."

If I call Instantiate outside of the class (as part of an OnMouseDown function in another file) it works fine.

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avatar image grayfox · Aug 11, 2011 at 02:18 PM 0
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Fixed my problem. The correct Instantiate line should read:

UnityEngine.Object.Instantiate(Resources.Load("t_obj"), Vector3(10.0, 20.0, 100.0), Quaternion.identity);

Working as it should now.

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Answer by sneftel · Aug 10, 2011 at 09:56 PM

Component.Transform.rotation isn't a real thing. Perhaps you mean transform.rotation?

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avatar image grayfox · Aug 11, 2011 at 01:58 PM 0
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Without 'Component' I get the error: "$$anonymous$$ identifier: 'transform'."

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Answer by AaronG · Aug 11, 2011 at 10:59 AM

You don't need to use 'Object' as a prefix. IE...

 Instantiate (prefab, transform.position, transform.rotation);

http://unity3d.com/support/documentation/ScriptReference/Object.Instantiate.html

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avatar image sneftel · Aug 11, 2011 at 12:31 PM 0
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It's okay to do so. That's not the source of his error.

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