Thanks Ron and Danny! I knew that the random numbers are not truly random and that the seed cannot be changed but the random number patterns I get now are pretty hefty, I think this wasn't like that in AS2 times. I will try to fumble with the date object to get a better seed.
Sascha > -----Original Message----- > From: [EMAIL PROTECTED] [mailto:flashcoders- > [EMAIL PROTECTED] On Behalf Of Ron Wheeler > Sent: Monday, 27 November, 2006 23:45 > To: Flashcoders mailing list > Subject: Re: [Flashcoders] Whats the deal with AS3 Math.random? > > Math.random generates psuedo-random numbers. If you want to have > something that looks more random, try calling Math.random a random > number of times before using the numbers. > Use a true random number to determine the number of times to call it in > the initial run. > Suggestion: the modulus 100 of the number of milli-seconds since > midnight (or some arbitrary date/time). > This should give you at least 100 different pseudo-ransom strings. > increase the modulus to get more. > > I believe that you can get hardware devices that will give you truly > random numbers, if that is really required. > > As John von Neumann said in 1961 "Anyone who considers arithmetical > methods of producing random digits is of course, in a state of sin." > > We are all forced to chose between lesser and greater sins by our need > for economical solutions. > > Ron > > Sascha wrote: > > Hi, > > > > Why is it when I use Math.random to generate 10 random integers I get the > > same pattern of numbers almost every time. Starting the SWF movie ten times > > and I have 6-8 times the same pattern of numbers. What's going on there? > > Almost looks as if the compiler sets pre-compiled numbers. > > > > Using this ... > > > > var str:String = ""; > > > > for (var i:int = 0; i < 10; i++) > > { > > str += Math.floor(Math.random() * 100) + ", > > "; > > } > > trace(str); > > > > ... and running the SWF movie ten times, I get this ... > > > > 88, 87, 35, 69, 73, 11, 93, 40, 39, 19, > > 43, 69, 70, 96, 39, 97, 8, 74, 29, 65, > > 50, 32, 82, 45, 39, 74, 96, 5, 7, 9, > > 50, 32, 82, 45, 39, 74, 96, 5, 7, 9, > > 50, 32, 82, 45, 39, 74, 96, 5, 7, 9, > > 50, 32, 82, 45, 39, 74, 96, 5, 7, 9, > > 50, 32, 82, 45, 39, 74, 96, 5, 7, 9, > > 88, 87, 35, 69, 73, 11, 93, 40, 39, 19, > > 50, 32, 82, 45, 39, 74, 96, 5, 7, 9, > > 88, 87, 35, 69, 73, 11, 93, 40, 39, 19, > > > > This is the first time I experience this. Is there any solution to fix > > this? > > > > Thanks, > > Sascha > > > > > > _______________________________________________ > > [email protected] > > To change your subscription options or search the archive: > > http://chattyfig.figleaf.com/mailman/listinfo/flashcoders > > > > Brought to you by Fig Leaf Software > > Premier Authorized Adobe Consulting and Training > > http://www.figleaf.com > > http://training.figleaf.com > > > > > > > _______________________________________________ > [email protected] > To change your subscription options or search the archive: > http://chattyfig.figleaf.com/mailman/listinfo/flashcoders > > Brought to you by Fig Leaf Software > Premier Authorized Adobe Consulting and Training > http://www.figleaf.com > http://training.figleaf.com _______________________________________________ [email protected] To change your subscription options or search the archive: http://chattyfig.figleaf.com/mailman/listinfo/flashcoders Brought to you by Fig Leaf Software Premier Authorized Adobe Consulting and Training http://www.figleaf.com http://training.figleaf.com
