Difference between revisions of "random"

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|x1= <pre>_rNumber = random 1</pre>  |= Example 1
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|x1= <code>_rNumber = [[random]] 1;</code>  |= Example 1
  
|x2= To select random value from an array:
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|x2= <code>_rNumber = [[random]] -10;</code>  |= Example 2
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|x3= To select random value from an array:
 
<code>_array = ["apples", "pears", "bananas", "M16"];
 
<code>_array = ["apples", "pears", "bananas", "M16"];
_random = _array [[select]] [[floor]] [[random]] [[count]] _array;</code>  |= Example 2
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_random = _array [[select]] [[floor]] [[random]] [[count]] _array;</code>  |= Example 3
 
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Revision as of 21:25, 5 July 2014

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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 round, ceil or floor together with random:
x=round(random 5) will return 0,1,2,3,4 or 5. (non-uniform distribution, 0 and 5 are half as likely to be selected than any of the other numbers) x=floor(random 5) will return 0,1,2,3 or 4. (uniform distribution, all numbers have the same probability of being selected) x=ceil(random 5) will return 0,1,2,3,4 or 5. (0 is very unlikely, but possible, as ceil 0 is 0)

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