3 ms·

Also you can use the sign of a point on the normal for no z-buffer. edit: removed my needless commentary

• a1k0n 13y ago
  That doesn't work -- there are front-facing surfaces behind other front-facing surfaces. You can see an example of this in the point-drawing javascript implementation further down the page, where I do just that.
  • mzs 13y ago
    Doh of course, thanks for the great write-up and the clever original donut.c entry.