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Question by cgeopapa · Mar 23, 2015 at 05:20 PM · javascriptloopfor-loopfor

How do I reset a for loop variable???

Hello, so I want the following loop every time I call it the l variable to start from 0. But it doesnt, every time I call it it resumes from where it left...

     for(var l: int = 0; l < digits.Length; l++){
         reverse += digits[l];
     }
 

Any ideas...?

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Answer by Pharaoh_ · Mar 23, 2015 at 08:08 PM

Set reverse = X outside of the loop?

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Answer by Commander5518 · Mar 23, 2015 at 06:00 PM

When the loop ends the control variable is forgotten. Therefore you must re declare it to 0 in the for loop

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avatar image cgeopapa · Mar 24, 2015 at 02:26 PM 0
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How... I dont understand :(

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Answer by DiegoSLTS · Mar 24, 2015 at 03:58 PM

"for" loops work exactly the way you want, if you have a function with that code and you call that function 2 times, the for will run from "l = 0" to "l = digits.Length - 1" eacn time. You can add some debug lines to make sure it's working that way, try this:

     Debug.Log("for started");
     for(var l: int = 0; l < digits.Length; l++){
         Debug.Log("l = " + l);
         reverse += digits[l];
     }
     Debug.Log("for finished");

And every time you call the function with that for loop you'll see this output:

 for started
 l = 0
 l = 1
 ...
 l = some value //the "digits" length minus one
 for finished

You probably have some other problem in your code that's confusing you.

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avatar image cgeopapa · Mar 25, 2015 at 03:38 PM 0
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$$anonymous$$aybe the problem is that the for loop is at the Update function?

avatar image DiegoSLTS · Mar 26, 2015 at 01:43 AM 0
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That shouldn't be a problem, the Update method finishes before the next call. Share the full script, it's really hard to come up with something with that little code you posted.

Also, I don't understand if you tried or not the "Debug.Log" thing I suggested, what was the output on the console?

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