typo correction [Was: Re: [plt-scheme] Re: tetris]

This message is to correct the typos in my earlier
message; viz:

Wrong version:

> [snip]
> 
> ... the lack of a
> scoreboard caused to game to lack some motivation
> for
> continued play.  Further, the starting speed seemed
> to
> fast....

Correct version:

> [snip]
> 
> ... the lack of a
> scoreboard caused the game to lack some motivation
> for
> continued play.  Further, the starting speed seemed
> too
> fast....

I must have been sleepy when I wrote that--I'll try to
be more careful in the future.

Benjamin L. Russell

> The game is indeed addictive.
> 
> While I was playing, though, I noticed that the lack
> of a mapping of the space bar to drop the falling
> tile
> was slightly inconvenient, and the lack of a
> scoreboard caused to game to lack some motivation
> for
> continued play.  Further, the starting speed seemed
> to
> fast, and I was constantly using the mouse to hold
> the
> game window to force the game to pause while I
> thought
> about where to place the next tile.
> 
> Therefore, may I suggest the following
> modifications:
> 
> 1) Map the space bar to a function to drop the
> falling
> tile.
> 
> 2) Add a scoreboard with a stage number.
> 
> 3) Add a feature to allow the user to specify both
> the
> starting speed, and the speed increments each time a
> row is completed (0 for no increment).
> 
> 4) Add a feature to let the user map keys to in-game
> functions.  For example, I like to use the numeric
> keypad to move the tiles, and the space bar to drop
> the tiles.  Allow the user to specify such key
> mappings.
> 
> Additionally, here are a few suggestions for more
> sophisticated modifications for the near future:
> 
> 5) Add changing illustrated backgrounds (preferably
> Russian, since the original Tetris originated in
> Russia) for each stage.
> 
> 6) Add background music and sound effects such that:
> 
>   a) The background music matches the illustrated
> background.
> 
>   b) The background music changes to a different
> tune
> matching the new illustrated background every time
> the
> illustrated background changes.
> 
>   c) There are different suitable sound effects for
> moves, rotations, drops, and completed rows.
> 
>   d) There are separate volume controls for both the
> background music and the sound effects.
> 
>   e) Additional background music tunes can be
> uploaded
> by the user.
> 
>   f) (Optional and extra credit ;-) )
>       The uploaded music tunes can be associated
> with
> specific illustrated backgrounds/stages by the user.
> 
> 7. (Optional and super extra credit ;-) )
>    Add a Hextris (a hexagonal version of Tetris,
> popular on Sun Sparc workstations in the early
> 1990's)
> version of Tetris, incorporating all of the above.
> 
> Benjamin L. Russell
> 
> --- Matthias Felleisen <matthias at ccs.neu.edu> wrote:
> 
> > 
> > An interesting question would be to incorporate
> this
> > game as a teaser  
> > into 211 next time around. -- Matthias
> > 
> > 
> > 
> > On Feb 27, 2008, at 10:53 AM, David Van Horn
> wrote:
> > 
> > > Jon Rafkind wrote:
> > >> I thought the recently uploaded tetris game to
> > planet was fun so I
> > >> converted it to use the Allegro package instead
> > of htdp. Theres not
> > >> really much of a point and its not like it runs
> > better or  
> > >> anything, but
> > >> it was good to compare htdp's functional style
> > with Allegro's mostly
> > >> imperative style. It probably won't work too
> well
> > in osx.
> > >> Tetris on planet:
> > >> http://planet.plt-scheme.org/display.ss? 
> > >> package=tetris.plt;owner=dvanhorn
> > >> Code attached if you want to try it.
> > >
> > > Hi Jon,
> > >
> > > Thanks for the code and interest in the Tetris
> > package.  I'd be  
> > > happy to include an Allegro version of the game
> in
> > the package (I  
> > > also have a 3D OpenGL version that will make it
> in
> > eventually), but  
> > > with the code you sent, I noticed a couple
> things:
> > >
> > >   - when the game ends, DrScheme hangs,
> requiring
> > me to manually kill
> > >     DrScheme after each play.
> > >
> > >   - once I move left, I always move left,
> > regardless of keyboard  
> > > input.
> > >
> > > I'm using OS X -- maybe this is relevant?
> > >
> > > David
> > >
> > >
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