powerpiglet

4 ms·

1. 1.▲
   by powerpiglet 3y ago

   There's an alternate concept for rotations called a rotor that is just as capable as the quaternion concept but does not require reasoning in higher dimensions: http://marctenbosch.com/quaternions/
2. 2.▲
   by powerpiglet 3y ago

   That's fascinating. Thanks for the pointer.
3. 3.▲
   by powerpiglet 3y ago

   > Signed multiplication and division use an internal flag called F1 to keep track of the sign. The F1 flag is toggled by microcode through the CF1 (Complement F1) micro-instruction. The F1 flag is implemented with a flip-flop, along with
4. 4.▲
   by powerpiglet 5y ago

   I remember being excited about MNG, but finding the open-source libmng a pain to use. It was all based around callbacks with the library driving the animation cycle. Not a great fit if you were interested in using MNG for things like sprite
5. 5.▲
   by powerpiglet 5y ago

   It's meant to be breadboard-compatible, and breadboard pin sockets are normally spaced at 0.1 inch. You can see in the first schematic that it's 0.9" by 2.0", which gives you 9x20 hole positions.