Example #1
0
void keyboard(int key) {
   synth.play(0, keyboardnote, 0);
   noteMessage.tick = mainTimer.getTime();
   noteMessage.setP0(0x90);
   noteMessage.setP1(keyboardnote);
   noteMessage.setP2(0);
   synth.insert(noteMessage);
   switch (key) {
      case 'z': keyboardnote = 12 * octave + 0;  break;    // C
      case 's': keyboardnote = 12 * octave + 1;  break;    // C#
      case 'x': keyboardnote = 12 * octave + 2;  break;    // D
      case 'd': keyboardnote = 12 * octave + 3;  break;    // D#
      case 'c': keyboardnote = 12 * octave + 4;  break;    // E
      case 'v': keyboardnote = 12 * octave + 5;  break;    // F
      case 'g': keyboardnote = 12 * octave + 6;  break;    // F#
      case 'b': keyboardnote = 12 * octave + 7;  break;    // G
      case 'h': keyboardnote = 12 * octave + 8;  break;    // G#
      case 'n': keyboardnote = 12 * octave + 9;  break;    // A
      case 'j': keyboardnote = 12 * octave + 10;  break;   // A#
      case 'm': keyboardnote = 12 * octave + 11;  break;   // B
      case ',': keyboardnote = 12 * octave + 12;  break;   // C
      default: return;
   }
   if (keyboardnote < 0)  keyboardnote = 0;
   else if (keyboardnote > 127)  keyboardnote = 127;
   noteMessage.tick = mainTimer.getTime();
   noteMessage.setP0(0x90);
   noteMessage.setP1(keyboardnote);
   noteMessage.setP2(rand()%47 + 80);      // random int from 1 to 127
   synth.play(0, noteMessage.getP1(), noteMessage.getP2());
   synth.insert(noteMessage);
}
Example #2
0
void sillyKeyboard(int key, int chan /* = 0 */) {
   static int octave = 4;
   static int newkey = 0;
   static Voice voice;
   static MidiEvent message;

   // check to see if adjusting the octave:
   if (isdigit(key)) {
      octave = key - '0';
      return;
   }

   switch (key) {
      case 'z':  newkey = 12 * octave + 0;   break;   // C
      case 's':  newkey = 12 * octave + 1;   break;   // C#
      case 'x':  newkey = 12 * octave + 2;   break;   // D
      case 'd':  newkey = 12 * octave + 3;   break;   // D#
      case 'c':  newkey = 12 * octave + 4;   break;   // E
      case 'v':  newkey = 12 * octave + 5;   break;   // F
      case 'g':  newkey = 12 * octave + 6;   break;   // F#
      case 'b':  newkey = 12 * octave + 7;   break;   // G
      case 'h':  newkey = 12 * octave + 8;   break;   // G#
      case 'n':  newkey = 12 * octave + 9;   break;   // A
      case 'j':  newkey = 12 * octave + 10;  break;   // A#
      case 'm':  newkey = 12 * octave + 11;  break;   // B
      case ',':  newkey = 12 * octave + 12;  break;   // C
      case 'l':  newkey = 12 * octave + 12;  break;   // C#
      case '.':  newkey = 12 * octave + 12;  break;   // D
      case '\'': newkey = 12 * octave + 12;  break;   // D#
      case '/':  newkey = 12 * octave + 12;  break;   // E
      default: return;         // don't do anything if not a key
   }

   newkey = limit(newkey, 0, 127);

   // put note-off message in synth's input buffer:
   message.tick = t_time;
   message.setP0(0x90 | voice.getChan());
   message.setP1(voice.getKey());
   message.setP2(0);
   synth.insert(message);

   // turn off the last note:
   voice.off();

   // set parameters for next note-on:
   voice.setChan(chan & 0x0f);      // limit channel to range from 0 to 15
   voice.setVel(rand() % 127 +1);   // random attack in range from 1 to 127
   voice.setKey(newkey);            // use the newly selected key number

   // play the MIDI note:
   voice.play();

   // insert the played note into synth's input MIDI buffer:
   message.setP0(0x90 | voice.getChan());
   message.setP1(voice.getKey());
   message.setP2(voice.getVel());
   synth.insert(message);

}