There is [envgen] from the ggee library, but you're probably looking for a Vanilla solution.
I would also like to see this done in data structures. Extra points if it can define a Bezier curve.
From: Pd-list pd-list-bounces@lists.iem.at on behalf of Roman Haefeli reduzent@gmail.com Sent: 08 January 2017 11:00 To: pd-list@mail.iem.at Subject: [PD] Graphical envelope generator with breakpoints
Hey all
I'm wondering if someone implemented a graphical envelope generator with mouse-draggable breakpoints. I think it probably could be done using data structures, however my stumbling block is that I can't think of a way to disallow point movement to x(n) > x(n+1), respectively x(n) < x(n-1).
Preferably, it would allow to create new breakpoints in between existing breakpoints (as opposed to new breakpoints being appended to the end of the list).
I'm not so much looking for the perfect solution, but wondering what is already there.
Cheers Roman