[reactive] First draft of reactive-tetris

[Thomas Davie]

On 17 Nov 2008, at 21:53, Creighton Hogg wrote:

> Hey Reactive,
> Since I have no hosting space I'm actually going to include the  
> implementation as an attachment all in one file.  It's not very long  
> anyway, so it should be alright.
>
> A few caveats:
>
> This code is still _really_ ugly, but it does work as far as I've  
> tested
> There is no game over, you need to quit manually
> There is no score or level adjustment yet.  I need to add that when  
> I have more time, i.e. after this week
>
> That being said, my first real reactive program was surprisingly  
> simple once I got comfortable with the semantics.  The actual  
> reactive code isn't that complicated, but it did take a pretty big  
> shift in thinking from writing explicit game loops.
>
> I've included a good bit of comments so it hopefully it isn't too  
> hard to follow, but if there are any questions about why I did  
> something a particular way (the answer may be 'I'm dumb') please e- 
> mail me or find me on #haskell.

A quick note -- it appears to have a memory leak, the RAM usage steps  
up 30MB about every 1-2 minutes.  It'd be interesting to know where  
that's coming from.

Bob