def make_song(self, p_nothing=0.6):
for i in range(self.beats - 100):
if i > self.chord_done:
self.is_playing_chord = False
self.is_playing_arp = False
volume = random.randrange(70, 100)
duration = random.randrange(1, 16)
randchoice = random.random()
if randchoice <= self.p_chord and not (self.one_handed
and self.is_playing_chord):
self.is_playing_chord = True
self.chord_done = i + duration
chord = self.note.make_chord()
if random.random() < 0.7:
duration = random.randrange(2, 6)
self.chord_done = i + duration
self.is_playing_arp = True
for j, note in enumerate(chord):
d = j * duration / len(chord)
self.midi.addNote(self.track, 1, note, i + d, 2,
volume + random.randrange(-20, 20))
else:
for note in chord:
self.midi.addNote(self.track, 0, note, i, duration,
volume + random.randrange(-20, 20))
elif randchoice <= p_nothing:
self.midi.addNote(self.track, 0, self.note.make_note(), i,
duration, volume)
self.writeMidi()
def make_sound(self, i, p_chord=0.2, p_arp=0.2, p_single=0.2):
r = random.random()
if r < p_chord:
return [self.make_chord(), 'chord']
elif r < (p_chord + p_arp):
return [self.make_arpeggio(), 'arpeggio']
else:
return [self.make_note(i, self.beat), 'note']
def make_arpeggio(self):
chord = self.make_chord()
chord.sort()
r = random.random()
if r < 0.3:
random.shuffle(chord)
elif r < 0.6:
chord.reverse()
return chord
def make_chord(self, p_rand=0.1, n_notes=4, p_double=0.5):
isdouble = False
if random.random() < p_double:
isdouble = True
n_notes *= 2
if random.random() <= p_rand:
return [self.make_note() for i in range(n_notes)]
chord = random.choice(base_chords)
octave = (random.choice(self.octave_range) * 12)
if isdouble:
double_octave = (random.choice(self.octave_range) * 12)
while double_octave == octave:
octave = (random.choice(self.octave_range) * 12)
c = [note + double_octave for note in chord]
c.extend([note + octave for note in chord])
return c
return [note + octave for note in chord]
def make_song(self, p_nothing=0.6):
for i in range(self.beats - 100):
volume = random.randrange(70, 100)
duration = random.randrange(1, 16)
randchoice = random.random()
if randchoice <= self.p_chord:
for note in self.note.make_chord():
self.midi.addNote(self.track, 0, note, i, duration,
volume + random.randrange(-20, 20))
elif randchoice <= p_nothing:
self.midi.addNote(self.track, 0, self.note.make_note(), i,
duration, volume)
self.writeMidi()
def rand_duration(self, upper=4, lower=1, allow_partials=True):
if allow_partials and random.random() < 0.5:
return random.choice([0.25, 0.5, 0.75, 1])
else:
return random.randint(lower, upper)