RE: [GD-Consoles] Generic MP3 Player for Playstation 2

[Alistair M. <kr...@kr...>]

> -----Original Message-----
> From: gam...@li...
> [mailto:gam...@li...]On Behalf Of
> Rachid El Guerrab
>
> I have some difference of behavior between the PC and PS2 versions of the
> game.
>
> It's mostly some jittering.. and my guess is that it mostly happens in my
> collision processing (lots of floating point computations). And I
> have that
> behavior too when I'm far away from the center of my sector (Big floating
> numbers).
>

When you do a floating point multiply on the PS2, the lowest order bit of
the mantissa effectively becomes random.  You cannot get around this.  This
is why you get the jitter.  You need to scale things so that the lowest
order bit makes the smallest possible difference to the outcome.

Hope this helps,

alistair