ChucK/dinky.ck

From CSWiki

also see try.ck and the dinky example page.

// this class defines the Dinky instrument
// the variables defined at class level are member variables
//
// to test this:
//    > chuck dinky.ck try.ck
//
// NOTE: in a future version of chuck...
//       this class will be able to extend UGen

// the Dinky class
public class Dinky
{
   // impulse to filter to dac
   impulse i => biquad f => Envelope e;
   // 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
   .001::second => e.duration;

   public void radius( float rad )
   { rad => f.prad; }

   public void gain( float g )
   { g => i.gain; }

   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(); }
}