Difference between revisions of "random"

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m (Clarified ceil roudning usage)
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  x=floor(random 5) will return 0,1,2,3 or 4.
 
  x=floor(random 5) will return 0,1,2,3 or 4.
 
  x=ceil(random 5) will return 0, 1,2,3,4 or 5. (0 is unlikely, but possible, as ceil 0 is 0)
 
  x=ceil(random 5) will return 0, 1,2,3,4 or 5. (0 is unlikely, but possible, as ceil 0 is 0)
 +
* You can also use '''[[round]]''' with '''random''' to create whole numbers, if you don't want to exclude the high or low numbers, as will happen with [[ceil]] and [[floor]].
  
 
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Revision as of 17:44, 30 September 2008

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Notes

  • Be careful using random numbers in multiplayer, each client will come up with a different result. See multiplayer tutorials for more general information about locality.
  • The number returned is unlikely to be a whole number.
    To return a whole number use either ceil or floor together with random.
x=floor(random 5) will return 0,1,2,3 or 4. x=ceil(random 5) will return 0, 1,2,3,4 or 5. (0 is unlikely, but possible, as ceil 0 is 0)
  • You can also use round with random to create whole numbers, if you don't want to exclude the high or low numbers, as will happen with ceil and floor.

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