Comments on: The importance of REAL random results http://www.emanueleferonato.com/2008/07/03/the-importance-of-real-random-results/ italian geek and PROgrammer Fri, 10 Feb 2012 12:12:29 +0000 hourly 1 http://wordpress.org/?v= By: Vinicius http://www.emanueleferonato.com/2008/07/03/the-importance-of-real-random-results/#comment-542160 Vinicius Sun, 31 Jan 2010 01:58:23 +0000 http://www.emanueleferonato.com/?p=303#comment-542160 I was faced with the opposite problem. The flash Math.random function cannot be "seeded", and I needed a peudo random function that will always return the same results given the same seed. Fortunatly, gskinner came up with a solution in AS3 using the perlin noise seeded random function? It's all there : http://www.gskinner.com/blog/archives/2008/01/source_code_see.html I was faced with the opposite problem. The flash Math.random function cannot be “seeded”, and I needed a peudo random function that will always return the same results given the same seed.

Fortunatly, gskinner came up with a solution in AS3 using the perlin noise seeded random function?

It’s all there :

http://www.gskinner.com/blog/archives/2008/01/source_code_see.html

]]> By: Vinicius http://www.emanueleferonato.com/2008/07/03/the-importance-of-real-random-results/#comment-542157 Vinicius Sun, 31 Jan 2010 01:54:01 +0000 http://www.emanueleferonato.com/?p=303#comment-542157 I w I w

]]> By: Luiz Fernando http://www.emanueleferonato.com/2008/07/03/the-importance-of-real-random-results/#comment-219026 Luiz Fernando Sat, 05 Jul 2008 23:49:33 +0000 http://www.emanueleferonato.com/?p=303#comment-219026 My math teacher once said me that is IMPOSSIBLE to a computer generate a TRUE random number, becouse of a huge amount of factors. He also told me that a computer does not have a brain (something organic, that think emotionally), so it cannot do actions purely random, only mathematically stated actions. My math teacher once said me that is IMPOSSIBLE to a computer generate a TRUE random number, becouse of a huge amount of factors. He also told me that a computer does not have a brain (something organic, that think emotionally), so it cannot do actions purely random, only mathematically stated actions.

]]> By: Xodus http://www.emanueleferonato.com/2008/07/03/the-importance-of-real-random-results/#comment-218503 Xodus Sat, 05 Jul 2008 12:27:38 +0000 http://www.emanueleferonato.com/?p=303#comment-218503 To make a random number in flash, they don't actually use a pure random number, but a pseudo-random number. It is governed by a series of incredibally complicated equations which make it almost random. You can fid out more on wikipedia: http://en.wikipedia.org/wiki/Pseudorandom_number_generator To make a random number in flash, they don’t actually use a pure random number, but a pseudo-random number. It is governed by a series of incredibally complicated equations which make it almost random. You can fid out more on wikipedia:

http://en.wikipedia.org/wiki/Pseudorandom_number_generator

]]> By: Danny Miller http://www.emanueleferonato.com/2008/07/03/the-importance-of-real-random-results/#comment-217999 Danny Miller Sat, 05 Jul 2008 00:04:05 +0000 http://www.emanueleferonato.com/?p=303#comment-217999 Even more random are nature based random number generators. Check out the ones online that generate from lava lamps, radio waves, etc Even more random are nature based random number generators. Check out the ones online that generate from lava lamps, radio waves, etc

]]> By: Jack Hopkins http://www.emanueleferonato.com/2008/07/03/the-importance-of-real-random-results/#comment-217897 Jack Hopkins Fri, 04 Jul 2008 22:16:48 +0000 http://www.emanueleferonato.com/?p=303#comment-217897 I think the current percent of cpu and ram being used is also used to generate (somewhat) random numbers. good post :) I think the current percent of cpu and ram being used is also used to generate (somewhat) random numbers.
good post :)

]]> By: Kesh http://www.emanueleferonato.com/2008/07/03/the-importance-of-real-random-results/#comment-217799 Kesh Fri, 04 Jul 2008 20:36:12 +0000 http://www.emanueleferonato.com/?p=303#comment-217799 I didn't know they used time based random too... that was my idea... lol I didn’t know they used time based random too… that was my idea… lol

]]> By: JDog http://www.emanueleferonato.com/2008/07/03/the-importance-of-real-random-results/#comment-217605 JDog Fri, 04 Jul 2008 18:57:31 +0000 http://www.emanueleferonato.com/?p=303#comment-217605 Wierd... Wierd…

]]> By: Mini Chris http://www.emanueleferonato.com/2008/07/03/the-importance-of-real-random-results/#comment-217536 Mini Chris Fri, 04 Jul 2008 18:21:18 +0000 http://www.emanueleferonato.com/?p=303#comment-217536 ive always wondered how exactly they have a random function in flash cause its programmed into it which means it cant be random o.O ive always wondered how exactly they have a random function in flash cause its programmed into it which means it cant be random o.O

]]> By: Ben http://www.emanueleferonato.com/2008/07/03/the-importance-of-real-random-results/#comment-217402 Ben Fri, 04 Jul 2008 16:48:30 +0000 http://www.emanueleferonato.com/?p=303#comment-217402 Great post, E. I was wondering about this recently when making an AS3 flash game, whether using Math was enough. Is there a simple way to "seed" Math.random so that (as Matt said) "one of the variables has a different value every time." I've been thinking a custom solution might actually cut down on processing time (which I've been needing somewhat in my game loop). Great post, E. I was wondering about this recently when making an AS3 flash game, whether using Math was enough. Is there a simple way to “seed” Math.random so that (as Matt said) “one of the variables has a different value every time.” I’ve been thinking a custom solution might actually cut down on processing time (which I’ve been needing somewhat in my game loop).

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