static void TrillAlgorithm(FunctionEvent& p, EventBuffer& midiOutput) {
static NoteEvent note; // temporary note before placing in buffer
int key1 = p.getKey(); // lower key of trill
int key2 = p.charValue(14); // upper key of trill
int state = p.charValue(15); // which note to play next
int starttime = p.intValue(10); // when trill was started
int i;
// turn off the trill if there is a note played inside the trill
int range1 = key1;
int range2 = key2;
if (range2 - range1 == 1) {
range1--;
range2++;
}
for (i=range1; i<=range2; i++) {
if (noteontimes[i] > starttime) {
p.off(midiOutput);
return;
}
}
// set the next note to play
int key = state ? key2 : key1;
state = !state;
p.charValue(15) = state;
// set the parameters for the output note:
note.setOnDur(t_time, p.getDur());
note.setVel(p.getVel());
note.setChan(p.getChan());
note.setKey(key);
// update the parameters for the gliss function:
p.setOnTime(p.getOnTime() + p.getDur());
int value = p.getVel() + velcorrection;
if (value < 100 && value > 3) {
p.setVel(value);
}
if (p.getDur() + trillcorrection > MINTRIGTIME) {
p.setDur(p.getDur() + trillcorrection);
}
note.activate();
note.action(midiOutput); // start right now, avoiding any buffer delay
midiOutput.insert(note); // the note off message is being buffered
}
