class MusicMatrix:
def __init__(self):
self._previous_note = None
self._markovNote = MarkovChain(
["a", "a#", "b", "c", "c#", "d", "d#", "e", "f", "f#", "g", "g#"])
self._timings = MarkovChain([1, 2, 4, 8, 16])
self._markovChord = MarkovChain(
["a", "a#", "b", "c", "c#", "d", "d#", "e", "f", "f#", "g", "g#"])
def add(self, to_note):
"""Add a path from a note to another note. Re-adding a path between
notes will increase the associated weight."""
if(self._previous_note is None):
self._previous_note = to_note
return
from_note = self._previous_note
self._markovNote.add(from_note[0], to_note[0])
self._timings.add(from_note[1], to_note[1])
self._markovChord.add(from_note[2], to_note[2])
self._previous_note = to_note
def next_note(self, from_note):
return [
self._markovNote.next_value(
from_note[0]), self._timings.next_value(
from_note[1]), self._markovChord.next_value(from_note[2])]
