[reactive] Re: reactive (-glut) problems?

[Eyal Lotem]

I had experienced large delays at the first rendering of some shapes, that
were attributed to tessellation.

Perhaps the delays result from that? Are you displaying any shapes for the
first time?

Eyal

2008/12/3 Balazs Komuves <bkomuves at gmail.com>

>
> It seems that the function 'justE' caused my problem.
> If I remove that, replacing the section at issue with
>
>   exitE = fmap esc ky where
>>     esc k = case k of
>>       Char '\ESC' -> exitSuccess
>>       _           -> nop
>>
>
> then the program works. However, there is a large
> random delay, sometimes measured in seconds, before
> processing the events in the second argument of
> `mappend`. And it still leaks space. Any advice?
> (all this is with reactive-0.9.6 and ghc 6.10.1)
>
> Thanks,
> Balazs
>
>
> On Tue, Dec 2, 2008 at 1:58 PM, Balazs Komuves <bkomuves at gmail.com> wrote:
>
>>
>> Dear All,
>>
>> I'm trying to get my hands wet with the reactive library,
>> but already the simplest example I cooked up is failing
>> to work properly (and leaks memory, and uses relatively
>> lots of cpu time).
>>
>> The problem appears when I try to merge my two events
>> with `mappend`. One event should exit on pressing ESC,
>> the other draws colored circles on pressing the left mouse
>> button. They work correctly separately.
>>
>> Could somebody explain me what's happening, or
>> whether I'm making a basic mistake?
>>
>> The code is below, I hope the formatting survives the
>> various email systems. I don't know if that matters or
>> not, but I'm using OS X.
>>
>> Thanks,
>> Balazs
>>
>>
>
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