public FullNote Shift(int steps, InternalNoteStringStyle style)
{
if (steps == 0)
{
return(new FullNote(NoteUtils.ToNote(InternalNote, style), Octave));
}
int direction = Math.Sign(steps);
InternalNote note = InternalNote;
int octave = Octave;
for (int i = 0; i < steps; i++)
{
int noteIndex = (int)note + direction;
if (noteIndex < 0)
{
noteIndex += 12;
}
note = (InternalNote)(noteIndex % 12);
if (direction > 0 && note == InternalNote.C)
{
octave++;
}
else if (direction < 0 && note == InternalNote.B)
{
octave--;
}
}
return(new FullNote(NoteUtils.ToNote(note, style), octave));
}