// this class defines the Dinky instrument
// the variables defined at class level are member variables
//
// to test this:
//> chuck dinky.ck try.ck
//
// NOTE (2003): in a future version of chuck...
// this class will be able to extend UGen
// NOTE (2013): the above is now possible using Chugraphs,
// Chugens, or Chugins!
// NOTE (2023): finally updated this example using Chugraphs
// the Dinky class
public class Dinky extends Chugraph
{
// impulse to filter to dac
Impulse i => BiQuad f => Envelope e => outlet;
// set the filter's pole radius
.99 => f.prad;
// set equal gain zeros
1 => f.eqzs;
// set filter gain
.2 => f.gain;
// set the envelope
.004::second => e.duration;
public void radius( float rad )
{ rad => f.prad; }
public void connect( UGen ugen )
{ e => ugen; }
// t is for trigger
public void t( float freq )
{
// set the current sample/impulse
1.0 => i.next;
// set filter resonant frequency
freq => f.pfreq;
// open the envelope
e.keyOn();
}
// t is for trigger (using MIDI note numbers)
public void t( int note )
{ t( Std.mtof( note ) ); }
// another lazy name: c (for close)
public void c() { e.keyOff(); }
}