Question by dustyyeti · Oct 23, 2015 at 10:38 AM · instances

How to set a variable in an instantiated prefab; and retrieve it later.

Working in C#: This seems so basic, and I'm surprised that I'm having difficulty with it.

Simplifying the setup, I'd describe it as this:

A prefab button has a script MyScript, with a public variable MyInt.

When instantiating the buttons, I set MyInt with and index number.

During runtime, the script methods that handle PointerEventData, PointerEnter, PointerExit, ask for that instance's MyInt and send it to another routine as an argument.

The problem: Every time I interact with one of these button instances, the MyInt variable that each sends to my custom handlers is the same: "0", which is the value I set to the first instance.

I error checked to the console during the instatiation by coding a Debug.log echo of the MyInt value when the button is created, and it shows me that the values being stored are NOT zero.

My code is handling other things that are working fine, it's just this simple variable that is not performing. Is there a simple answer? (without putting up the code here??)

Thanks

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Bonfire-Boy · Oct 23, 2015 at 10:53 AM 0

One possibility is that the button that's handling the events isn't the one that you've initialised. What you're describing could happen for example if you're accidentally doing the initialisation on the prefab rather than its clone.

You could check for this kind of thing by also logging in the handlers (and outputting the object's unique ID to cross reference with the logging you've got in the initialisation).

Also, since your $$anonymous$$yInt is public you can see it in the inspector - does that confirm that the button in your instance has the correct value?

Those are the only things that spring to $$anonymous$$d for me without having seen the code or set-up.

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How to set a variable in an instantiated prefab; and retrieve it later.

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