Number and size of bristles on pressure.
Mainly number is one thing that could be interesting.
But let me explain:
What I am after is this irregular ending brushstroke. Color flow is interrupted etc etc
Example:
https://submotionorchestra.bandcamp.com/album/aliumGood music btw.
So I was thinking on how this could be achieved. Somehow it is a combination of what brush #8 can do, but only for the end of the stroke...or beginning.
„Load“ what other apps are offering, is not really the solution, and if, only a part of. Me I mostly feel uncomfortable with it.
If we look how a real brush is working on releasing pressure, some bristles will loose contact to the canvas. Mostly on sides of brush but sometimes also in the middle.
The more one lifts the brush.
So what if the number of bristles is randomly decimated by pressure?
Maybe adjustable, like size and min. size. If the decimation starts at the outer brush radius, it could end in a pretty realistic look - and what is more important, nice and organic.
No opacity fade on each bristle, just on off.
I tried to solve this with maximum strength on canvas, even canvas structure as alpha mask, but the results were not satisfying.