def hatp(ctx):
return rhythm.pattern('xxxx', bpm=BPM)
def kickp(ctx):
return rhythm.pattern('x...', bpm=BPM)
def snarep(ctx):
return rhythm.pattern('..x.', bpm=BPM)
for i in range(numbars):
bar = dsp.buffer()
numlayers = random.randint(3, 6)
beat = int(((60000 / 109) / 1000) * 44100) // 4
if i // 4 % 3 == 0:
chord = chords2[i % len(chords2)]
else:
chord = chords[i % len(chords)]
freqs = tune.chord(chord, octave=3, key='d')
if i > 3:
for _ in range(numlayers):
pattern = rhythm.pattern(16, random.randint(2, 6),
random.randint(0, 3))
onsets = rhythm.onsets(pattern, beat)
for onset in onsets:
if random.random() > 0.5:
osc.freq = random.choice(freqs)
osc.wavetable = [0] + [
random.triangular(-1, 1)
for _ in range(random.randint(3, 10))
] + [0]
osc.amp = 0.5
snd = osc.play(random.randint(441, 44100))
snd = snd.env('phasor')
snd = snd.pan(random.random()) * random.triangular(
0.1, 0.25)
bar.dub(snd, onset)
for i in range(numbars):
bar = dsp.buffer()
numlayers = random.randint(3, 6)
beat = int(((60000 / 131)/1000) * 44100) // 4
if i//4 % 3 == 0:
chord = chords2[i%len(chords2)]
else:
chord = chords[i%len(chords)]
freqs = tune.chord(chord, octave=3, key='d')
if i > 3:
for _ in range(numlayers):
pattern = rhythm.pattern(16, random.randint(2,6), random.randint(0, 3))
onsets = rhythm.onsets(pattern, beat)
for onset in onsets:
if random.random() > 0.5:
osc.freq = random.choice(freqs)
osc.wavetable = [0] + [ random.triangular(-1, 1) for _ in range(random.randint(3, 10)) ] + [0]
osc.amp = 0.5
snd = osc.play(random.randint(441, 44100))
snd = snd.env('phasor')
snd = snd.pan(random.random()) * random.triangular(0.1, 0.25)
bar.dub(snd, onset)
snare_onsets = rhythm.onsets('.x.x', beat * 4)
for onset in snare_onsets:
s = snare.speed(random.triangular(0.9, 1.1)) * random.triangular(0.85, 1)
def test_basic_patterns(self):
for pattern_args, result in test_patterns:
pattern = rhythm.pattern(*pattern_args)
self.assertEqual(pattern, result)