@Test
public void testCreateVariation() {
Note firstNote = note().pc(4).pitch(64).pos(0).len(12).ocatve(5).build();
List<Note> notes = variation.createVariation(firstNote, null);
assertEquals(firstNote.getPitch(), notes.get(0).getPitch());
assertEquals(firstNote.getPitch() + 1, notes.get(1).getPitch());
assertEquals(6, notes.get(0).getLength());
assertEquals(6, notes.get(1).getLength());
}
@Override
public List<Note> createVariation(Note firstNote, Note secondNote) {
if (variationPattern.getNoteLengths().contains(secondNote.getLength())) {
secondNoteChanged = true;
double[] pattern = RandomUtil.getRandomFromDoubleArray(variationPattern.getPatterns());
Scale scale = RandomUtil.getRandomFromList(scales);
int newPitchClass = scale.pickPreviousPitchFromScale(firstNote.getPitchClass());
int ic = Util.intervalClass(newPitchClass - firstNote.getPitchClass());
int newPitch = firstNote.getPitch() - ic;
List<Note> notes = generateAccentedNonChordNote(secondNote, newPitchClass, newPitch, pattern);
notes.add(0, firstNote);
return notes;
} else {
return Collections.singletonList(firstNote.copy());
}
}
