[Haskell-cafe] FRP + physics / status of hpysics

[Peter Verswyvelen]

On Sat, Mar 7, 2009 at 6:49 PM, Roman Cheplyaka <roma at ro-che.info> wrote:

> * Peter Verswyvelen <bugfact at gmail.com> [2009-03-07 18:34:10+0100]
> > On Fri, Mar 6, 2009 at 10:39 PM, Roman Cheplyaka <roma at ro-che.info>
> wrote:
> >
> > Is it a performance issue?
>
> Yes. As Roman Leshchinskiy explained it's because parallel arrays are
> not fused properly yet.
> But it's quite trivial to modify Hpysics to use ordinary lists or
> arrays, and I think it'll give reasonable performance.
>

Personally I would not mind too much about performance initially; I'm very
confident that lots of optimizations can be done afterwards  - maybe even
letting the GPU handle certain tasks.


>
> > > > Integrating hpysics with Grapefruit might be a good topic for the
> > > Hackaton,
> > > > trying to make a simple game (e.g. Pong or Breakout) without using
> > > recursive
> > > > signal functions, but with correct collision response and
> > > better-than-Euler
> > > > integration, all handled by the physics engine. Other FRP engines
> could
> > > be
> > > > tried, but Grapefruit hacking is already a topic on the Hackaton, so
> it
> > > > would combine efforts.
> > >
> > > Yes, I'm actively pondering Hpysics+Grapefruit (it's the primary reason
> > > of my interest in Grapefruit). But first of all we need to get graphics
> > > support into Grapefruit.
> > >
> > > Does your proposal re Hackathon indicate that you'd like to join?
> > >
> >
> > Yes, Thomas 'Bob' Davie and I already joined the Hackaton, but the wiki
> is
> > not yet updated.I see you've joined too, cool
>
> Great! I'll have more free time after March 15, and we can arrange an
> IRC meeting to discuss this.


Sounds like a good idea!



>
>
> --
> Roman I. Cheplyaka :: http://ro-che.info/
> "Don't let school get in the way of your education." - Mark Twain
>
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