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Question by Reichs_Industries · Aug 31, 2015 at 09:41 AM · variablesfor loop

Accessing variables from a for loop

Hi! I was thinking on is it possible to access variables inside the for loop to use them outside the loop. For example access the int i outside the loop.

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avatar image Nerevar · Aug 31, 2015 at 09:53 AM 0
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Yes you just have to declare it outside of it

 int i =0;
 for(i=0;i < somenumber; i++){
 
      if(condition)break;
 }
 
 Debug.Log("iteration = " +i);

you should explain more your situation and what you are trying to do and why to get further/better help.

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Answer by Bob-The-Zealot · Aug 31, 2015 at 10:18 AM

Yes, if you define the variable in the main scope, then you can use it anywhere in the main scope.
You can choose to use a for loop or a while loop.

For loop:
int i;
for (i = 0; i < somenumber; i++) {
// whatever you put in your loop
}

While loop:
int i = 0;
while (i < somenumber) {
// whatever you put in your loop
}

You can access int i anywhere inside whichever function you defined int i in: Debug.Log ("int i = " + i);

Learn more about scope here.

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