NULL mag Issue 03 21 Raspberry pi

eZine lover (@eZine)

Published in 

null magazine

 · 26 Dec 2020

  

back in the 80s-90s if a system like raspberry pi was built, perhaps today  
it had its own demo scene, like the amigas, ataris, spectrums etc. but  
because rpi is a linux machine which is quite capable and "generic" it 
doesn't. what a shame :( but what if we could create our own demo scene for 
this capable machine? draw only to the framebuffer and in lower resolutions 
like 320x240 or 640x480 with 256 colors. it would be nice to see demos for  
rpis :) 

fortunately there are some simple demos written for the framebuffer of  
rpi. you can get them here: 
           
          https://github.com/drmad/rpi-framebuffer 
                 
or use git with this command to download the repo: 

          git clone https://github.com/drmad/rpi-framebuffer 
           
to compile them just write: 
                 
          make 
           
if you want to preview the demos, watch a video of them here: 

firedemo -  https://www.youtube.com/watch?v=O2NAr2LjTTM 
rotozoomer - https://www.youtube.com/watch?v=liOFy33qi1M 

if you want to learn more about framebuffer graphics in rpi, read this  
good blog, which has many tutors about the subject. 

http://raspberrycompote.blogspot.com/2013/04/ 
low-level-graphics-on-raspberry-pi-part.html 

...and who knows... maybe in some years from now, see demos exclusive for  
the rpi :)