hello,

it's not vanilla, but line3 is using a 3rd degree polynomial to allow 
continuity of the tangents. It is also working if you trigger a new line before 
the end of the current.
equation is not very complex and can be ported to vanilla, but I was lazy...
You can find it in nusmuk_somthing in deken

cheers
c



Le 26/09/2023 à 20:06, Peter P. a écrit :
Hi list,

often when I use [line¨] to make frequency glissandi, the point when the
ramp starts, and the point where it ends, appear as very sudden events
to my ears. I am wondering if there is an easy way to gradually speed up
the ramp when it starts, and slow it down before it reaches its target
value?
The only way I can think of so far is to model such a behavior with two
masses connected by an elastic link using the pmpd library. But a
vanilla way would be very interesting too!

Thanks in advance for all ideas and pointers!
cheersz, Peter



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