76 lines
1.7 KiB
Text
76 lines
1.7 KiB
Text
class:: Spring
|
|
summary:: physical model of resonating spring
|
|
categories:: UGens>Filters>Nonlinear, UGens>Generators>PhysicalModels
|
|
related:: Classes/Ball, Classes/TBall
|
|
|
|
description::
|
|
models the force of a resonating spring
|
|
|
|
classmethods::
|
|
|
|
method:: ar, kr
|
|
|
|
argument::in
|
|
modulated input force
|
|
|
|
argument::spring
|
|
spring constant (incl. mass)
|
|
|
|
argument::damp
|
|
damping
|
|
|
|
|
|
examples::
|
|
code::
|
|
// trigger gate is mouse button
|
|
// spring constant is mouse x
|
|
// mouse y controls damping
|
|
(
|
|
{
|
|
var inforce, outforce, freq, k, d;
|
|
inforce = K2A.ar(MouseButton.kr(0,1,0)) > 0;
|
|
k = MouseY.kr(0.1, 20, 1);
|
|
d = MouseX.kr(0.00001, 0.1, 1);
|
|
outforce = Spring.ar(inforce, k, d);
|
|
freq = outforce * 400 + 500; // modulate frequency with the force
|
|
SinOsc.ar(freq, 0, 0.2)
|
|
}.play;
|
|
)
|
|
|
|
|
|
// several springs in series.
|
|
// trigger gate is mouse button
|
|
// spring constant is mouse x
|
|
// mouse y controls damping
|
|
(
|
|
{ var m0, m1, m2, m3, d, k, inforce;
|
|
d = MouseY.kr(0.00001, 0.01, 1);
|
|
k = MouseX.kr(0.1, 20, 1);
|
|
inforce = K2A.ar(MouseButton.kr(0,1,0)) > 0;
|
|
m0 = Spring.ar(inforce, k, 0.01);
|
|
m1 = Spring.ar(m0, 0.5 * k, d);
|
|
m2 = Spring.ar(m0, 0.6 * k + 0.2, d);
|
|
m3 = Spring.ar(m1 - m2, 0.4, d);
|
|
SinOsc.ar(m3 * 200 + 500, 0, 0.2) // modulate frequency with the force
|
|
|
|
}.play;
|
|
)
|
|
|
|
// modulating a resonating string with the force
|
|
// spring constant is mouse x
|
|
// mouse y controls damping
|
|
(
|
|
{ var m0, m1, m2, m3, m4, d, k, t;
|
|
k = MouseX.kr(0.5, 100, 1);
|
|
d = MouseY.kr(0.0001, 0.01, 1);
|
|
t = Dust.ar(2);
|
|
m0 = Spring.ar(ToggleFF.ar(t), 1 * k, 0.01);
|
|
m1 = Spring.ar(m0, 0.5 * k, d);
|
|
m2 = Spring.ar(m0, 0.6 * k, d);
|
|
m3 = Spring.ar([m1,m2], 0.4 * k, d);
|
|
m4 = Spring.ar(m3 - m1 + m2, 0.1 * k, d);
|
|
CombL.ar(t, 0.1, LinLin.ar(m4, -10, 10, 1/8000, 1/100), 12)
|
|
|
|
}.play;
|
|
)
|
|
::
|