Re: [H-rts] project summary, RFC

[Derek E. <dd...@ho...>]

On Tue, 29 Apr 2003 14:00:17 +0100
Ian Lynagh <ig...@ea...> wrote:

> On Mon, Apr 28, 2003 at 11:17:53AM +0200, Shae Matijs Erisson wrote:
> > Ian Lynagh <ig...@ea...> writes:
> > 
> > > I guess the engine probably wants to work by working out how long
> > > it is until the next trigger happens rather than stepping time and
> > > testing them; this will have to be updated every time the user
> > > does anything that might change it, of course.
> > 
> > I've been reading the Yampa and Yampa continued papers, the arrows
> > over signal functions looks like a good solution for this kind of
> > problem.
> > 
> > http://www.haskell.org/arrows/
> > http://www.haskell.org/yampa/
> > 
> > Specifically, it allows functions to transform their behavior with
> > triggers.
> 
> I've just scanned through AFPLectureNotes.pdf but it wasn't obvious to
> me exactly how they worked, i.e. whether they calculated how long till
> the first trigger or just stepped in discrete timesteps.
> 
> We also want consistent game speed on different computer speeds don't
> forget.
> 
> Can yampa give us what we want?

I wasn't really expecting to be able to steal the implementation, just
the interface, semantics, and ideas.  Though, if the implementation can
be stolen too that would be nice.