// TODO: test it
func (s *Periodic) Degree(scalePosition int) note.Note {
// we need to calculate the position in terms of the chromatic scale
// and then we return the frequency via MidiCps
num := len(s.Steps)
posInScale := scalePosition % num
cycle := scalePosition / num
temp := int(s.BaseNote) + (cycle * int(s.NumChromaticSteps))
if posInScale == 0 {
return note.Note(float64(temp))
//return note.MidiCps(float64(temp))
}
if posInScale < 0 {
for i := posInScale; i < 0; i++ {
temp -= int(s.Steps[num+i])
}
return note.Note(float64(temp))
// return note.MidiCps(float64(temp))
}
for i := 0; i < posInScale; i++ {
temp += int(s.Steps[i])
}
return note.Note(float64(temp)) // note.MidiCps(float64(temp))
}
func (s *Chromatic) Degree(scalePosition int) note.Note {
return note.Note(float64(s.BaseNote) + float64(scalePosition))
//return note.MidiCps(float64(s.BaseNote) + float64(scalePosition))
}