def test_pchoice():
a = iso.PChoice(iso.PSequence([[0, 1, 2, 3], [4, 5, 6, 7]]))
a.seed(0)
expected = [3, 7, 0, 6, 3, 7, 2, 7, 2, 5, 1, 6, 1, 4, 2, 5, 2, 4, 0, 6]
assert a.nextn(20) == expected
a.reset()
assert a.nextn(20) == expected
def test_pchoice_weighted():
a = iso.PChoice(iso.PSequence([[0, 1, 2, 3], [4, 5, 6, 7]]),
iso.PSequence([[1, 0.5, 0.25, 0.1]]))
a.seed(0)
expected = [2, 5, 0, 4, 0, 4, 1, 4, 0, 5, 2, 4, 0, 5, 1, 4, 2, 7, 1, 6]
assert a.nextn(20) == expected
a.reset()
assert a.nextn(20) == expected
sequence = iso.PReset(sequence, iso.PImpulse(24))
amp = iso.pattern.PSequence([45, 35, 25, 40]) + iso.PBrown(0, 1, -15, 10)
gate = iso.pattern.PBrown(1.5, 0.01, 0.6, 2.5)
timeline = iso.Timeline(120)
timeline.schedule({
"note": sequence.copy(),
"amplitude": amp.copy(),
"duration": 0.25,
"gate": gate.copy()
})
timeline.schedule({
"note": sequence.copy() + 24,
"amplitude": amp.copy(),
"duration": 0.5,
"gate": gate.copy()
})
timeline.schedule({
"note": sequence.copy() - 24,
"amplitude": 10 + amp.copy() * 0.5,
"duration": iso.PChoice([4, 4, 6, 8]),
"gate": gate.copy()
})
try:
timeline.run()
except KeyboardInterrupt:
timeline.output_device.all_notes_off()