Re: Formula for Damping f times

Jeff Russell <[email protected]>
Newsgroups gmane.games.devel.algorithms
Message-ID <[email protected]>
x *= e ^ k * dt  (where k < 0)  is my good old standby. Works well with
variable time steps. The call to exp() can be expensive, but if you have a
lot of things decaying at the same rate you can compute exp( k * dt ) once
for the frame and keep reusing it.
cheers,

jeff

On Fri, Jun 5, 2009 at 8:01 AM, <[email protected]> wrote:

> -----BEGIN PGP SIGNED MESSAGE-----
> Hash: SHA256
>
> > I did get up at 5am this morning so I apologize if I missed/messed
> something
> > here, but that appears a fair way from zero.
>
> Yep, looks like i'm having a bad day today :D I think i need to go back to
> bed... Thats fridays for you.... :)
> **********************************************************************
> This email and any files transmitted with it are confidential and intended
> solely for the use of the individual or entity to whom they are addressed.
> If you have received this email in error please notify [email protected]
> This footnote also confirms that this email message has been checked for
> all known viruses.
> Sony Computer Entertainment Europe Limited
> Registered Office: 10 Great Marlborough Street, London W1F 7LP, United
> Kingdom
> Registered in England: 3277793
> **********************************************************************
> P Please consider the environment before printing this e-mail
>
> -----BEGIN PGP SIGNATURE-----
> Version: PGP Universal 2.9.1 (Build 287)
> Charset: US-ASCII
>
> wsBVAwUBSikXHXajGqjtoMHxAQh1ZwgAsTDMOmp5R/IdHqDBxpt+oRuULS2BGHsO
> R6BNERdVLXKwhAbFkmD/U4Z//zls1O6mEDVHkHDWw0qK2BUYRYBfkzQJYpLWWXK5
> AVnID6Txw3i1FlNedXyO3H/mhNPJCQRhn4VJ+llHKDeVJh7F4grbeIcKXpFOyzxl
> wJsn4o3I+2beA0I/jPawe2rI+lcPo6ayFFPBnQcm+qWm0rfgJQ3xwH/3Wu5QQURG
> uN7pMacUBB0tVJX/kaMAkW7sUtdNaVEqHV9dTlvHcm7o7biyPTyroTTDh/iZwfUM
> SDKPwIi+dmQjRQxjErAiEuRR3L540OflZmtCaWXH9UaQmAlqWHVeKg==
> =p6By
> -----END PGP SIGNATURE-----
>
>
> ------------------------------------------------------------------------------
> OpenSolaris 2009.06 is a cutting edge operating system for enterprises
> looking to deploy the next generation of Solaris that includes the latest
> innovations from Sun and the OpenSource community. Download a copy and
> enjoy capabilities such as Networking, Storage and Virtualization.
> Go to: http://p.sf.net/sfu/opensolaris-get
> _______________________________________________
> GDAlgorithms-list mailing list
> [email protected]
> https://lists.sourceforge.net/lists/listinfo/gdalgorithms-list
> Archives:
> http://sourceforge.net/mailarchive/forum.php?forum_name=gdalgorithms-list
>



-- 
--------------------------------------------
Jeff Russell
Engineer, 8monkey Labs
www.8monkeylabs.com
--------------------------------------------

------------------------------------------------------------------------------
OpenSolaris 2009.06 is a cutting edge operating system for enterprises 
looking to deploy the next generation of Solaris that includes the latest 
innovations from Sun and the OpenSource community. Download a copy and 
enjoy capabilities such as Networking, Storage and Virtualization. 
Go to: http://p.sf.net/sfu/opensolaris-get

_______________________________________________
GDAlgorithms-list mailing list
[email protected]
https://lists.sourceforge.net/lists/listinfo/gdalgorithms-list
Archives:
http://sourceforge.net/mailarchive/forum.php?forum_name=gdalgorithms-list
lmpx.com only provides a reader for public news (NNTP) servers. It is not affiliated with the servers or forums shown here and is not responsible for the content of articles, which is written by their respective authors.