def roll(snd, length=None, numlayers=2, minlen=10, maxlen=80, env=True, bend=True):
layers = []
for _ in range(numlayers):
if length is None:
numbeats = dsp.randint(20, 50)
else:
numbeats = length / dsp.mstf(minlen)
lengths = dsp.breakpoint([ dsp.rand(minlen, maxlen) for _ in range(dsp.randint(5, numbeats/2)) ], numbeats)
layer = ''
for l in lengths:
layer += dsp.fill(snd, dsp.mstf(l), silence=True)
if bend:
layer = fx.bend(layer, [ dsp.rand(0, 1) for _ in range(dsp.randint(5, 20)) ], dsp.rand(0.02, 1))
if env:
layer = fx.penv(layer)
layers += [ layer ]
out = dsp.mix(layers)
out = dsp.fill(out, length)
return out
def makeTails(self, freq, length):
freq *= 0.5
harmonics = [ dsp.randint(1, 8) for _ in range(2, 4) ]
layers = []
for harmonic in harmonics:
layer = dsp.tone(length, freq * harmonic, amp=dsp.rand(0.1, 0.3))
layer = fx.penv(layer)
layer = dsp.env(layer, 'sine')
layers += [ layer ]
layers = dsp.mix(layers)
layers = dsp.amp(layers, dsp.rand(0.25, 1))
return layers
