57 lines
814 B
Text
57 lines
814 B
Text
class:: LastValue
|
|
summary:: Output the last value before the input changed
|
|
related:: Classes/LeastChange, Classes/MostChange
|
|
categories:: UGens>Triggers
|
|
|
|
|
|
Description::
|
|
|
|
Output the last value before the input changed more than a threshold.
|
|
|
|
|
|
classmethods::
|
|
|
|
method::ar, kr
|
|
|
|
argument::in
|
|
|
|
The input signal.
|
|
|
|
|
|
argument::diff
|
|
|
|
Difference threshold.
|
|
|
|
|
|
Examples::
|
|
|
|
code::
|
|
d = { arg freq=440; SinOsc.ar(LastValue.ar(freq, 20), 0, 0.2) }.play;
|
|
|
|
d.set(\freq, 400);
|
|
d.set(\freq, 200);
|
|
d.set(\freq, 670);
|
|
d.set(\freq, 680);
|
|
d.set(\freq, 695);
|
|
d.free;
|
|
::
|
|
|
|
Return the difference between current and the last changed:
|
|
code::
|
|
(
|
|
d = { arg out=0, val=1;
|
|
SinOsc.ar(
|
|
abs(val - LastValue.kr(val)) * 400 + 200,
|
|
0, 0.2
|
|
)
|
|
}.play;
|
|
)
|
|
|
|
d.set(\val, 3);
|
|
d.set(\val, 2);
|
|
d.set(\val, 0.2);
|
|
d.set(\val, 1);
|
|
d.set(\val, 2);
|
|
d.free;
|
|
::
|
|
|