LiveCode Forums.

Posted: **Fri Jul 31, 2015 7:01 pm**

I'm trying to click a button and get a random number between 4 and 8.

I have had some luck using

on mouseUp
answer random(8)
end mouseUp

but i'm curious if there is a way to exclude numbers 1 through 3?

thank you in advance!

-Sean

Posted: **Fri Jul 31, 2015 7:10 pm**

Hi Sean,

but i'm curious if there is a way to exclude numbers 1 through 3?

Yes, here is a way

Code: Select all

on mouseUp
   repeat with i = 4 to 15
      put i & cr after tAvailableNum
   end repeat
   answer getRandomWithoutSomeNumber(tAvailableNum)
end mouseUp

function getRandomWithoutSomeNumber pAvailableNum
   put the num of lines of pAvailableNum into tNbl
   put random(tNbl) into tRandom
   return line tRandom of pAvailableNum
end getRandomWithoutSomeNumber

Best regards
Jean-Marc

Posted: **Fri Jul 31, 2015 7:30 pm**

Another option would be to get a random value for the scope of the range, and then add the minimum to it:

Code: Select all

get random(5)
return 3+it

Posted: **Fri Jul 31, 2015 7:32 pm**

Another option would be to get a random value for the scope of the range, and then add the minimum to it:

Code: Select all

get 3+random(5)

Posted: **Fri Jul 31, 2015 7:37 pm**

The dictionary has this;

function randomInRange lowerLimit,upperLimit
return random(upperLimit - lowerLimit + 1) + lowerLimit - 1
end randomInRange

Might as well learn how to chop the top off as well.

Simon

Posted: **Fri Jul 31, 2015 7:59 pm**

these were all great suggestions! thank you so much!

they all worked great!

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