Re: Math.Random() always returns 0

[David Jones <drj@...>]

On May 24, 2006, at 11:02, Beric Holt wrote:

> I've just finished upgrading my TileEngine game platform to use Lua
> v5.1.
>
> Everything is working fine, in fact I've even added better error
> handling while loading scripts instead of using the old lua_dofile
> syntax.  The only problem is that math.random() always returns zero,
> even when called with parameters eg:
> iResult = math.random(750,2000)
>
> I use the random functionality for my Actor AI, so when it returns zero
> all of the actors just stand there mutely.
>
> I have randomised the seed with "math.randomseed( os.time())".
>
> Does anyone have any suggestions on why this might be happening?

Check that rand() is implemented properly on your platform.  
math.random calls rand from the standard C library.

People that care about using random numbers usually replace math.rand, 
I recommend a combined tausworthe generator.


drj