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Question by valizad · Mar 14, 2019 at 11:24 AM · c#unity 5inspectorprogrammingid

Build auto id for any object in inspector

Hello. I have a variable called "id". I want to automatically put a randomistic number when its script is given to the object in the editor. What should I do to do this?

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avatar image CybexGS · Mar 14, 2019 at 12:10 PM 0
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$$anonymous$$ay i ask what you're trying to achieve with it? What's the purpose?

avatar image mchts · Mar 14, 2019 at 12:12 PM 0
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$$anonymous$$ake your script executable in edit mode with adding [ExecuteInEdit$$anonymous$$ode] attribute to your script. Then do this:

 void OnEnable(){
      if(Application.isEditor) //make sure to get it work only in edit mode or else it will repeat the process in runtime too
      id = (int)Random.Range(0,1000) //numbers are imaginary
 }
avatar image Bonfire-Boy mchts · Mar 14, 2019 at 12:53 PM 0
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It's not entirely clear what the OP means by "when its script is given to the object in the editor" but it suggests to me that they want the randomisation to happen when the component is first added, and then not re-randomised subsequently. Your solution doesn't not achieve the latter - the OnEnable will be called again (for example) when you reload a scene with such an object in it, or after the editor has reimported assets

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Answer by Hukha · Mar 14, 2019 at 01:16 PM

You can use the InstanceID of the GameObject with GetInstanceID instead of a random ID

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