[PD] Space Invaders 4D Game

nosehair911 at bellsouth.net nosehair911 at bellsouth.net
Mon May 7 16:24:22 CEST 2007

I'm just starting out in PD but 99.9% of the time I can break something down and figure out how it 
works or find something online, but can someone explain to me how to use two gemheads to render 
a pattern with just on geo.  I understand the textfile object and the text file part what I down get is why 
it works.
> From: Frank Barknecht <fbar at footils.org>
> Date: 2007/05/05 Sat AM 04:58:59 EDT
> To: pd-list at iem.at
> Subject: Re: [PD] Space Invaders 4D Game
> Hallo,
> Thomas Ouellet Fredericks hat gesagt: // Thomas Ouellet Fredericks wrote:
> > Your code could be greatly simplified if you used lists to trigger the
> > line objects (for example, sending the message 0,1 1000 will start
> > from 0 then ramp up to 1 in 1 second).
> I also did a simplification to this nice game: I change the invader.pd
> to use an external file for the "model" of the aliens. It's attached
> as invader2.pd ready to be dropped in as replacement for invader.pd
> (only used in enemytest). Make sure, the invader.txt file is next to
> it. 
> Regarding the format of invader.txt: It uses coordinates starting in
> the lower left corner, so the origin (0,0) is not the center of the
> invader. To correct that a line with  "offset num num" is used. The
> spread between the individual pixels can be set in a similar way with
> "spread". See attached xcf-image (for gimp) for how the coordinates
> were written.
> Oh, and of course I added an explosion. ;) 
> But explosions have to be implemented in the main game first (that is,
> the "destroy" message must not move the invader out of sight,
> otherwise the nice explosion will stay invisible. I leave that as an
> excercise for the reader. 
> Ciao
> -- 
>  Frank Barknecht                 _ ______footils.org_ __goto10.org__

More information about the Pd-list mailing list