def mutate(octave, pitch, velocity, duration, offset, point):
#def mutate(seq, pitch=0, duration=0, velocity=0, offset=0, octave=0):
"""
Transpose a point by an interval, using the Sebastian interval system
"""
octave_delta = random.randint(-1*octave,octave)
rna = {
'midi_pitch':pitch,
'pitch':pitch,
'octave':octave,
'velocity':velocity,
DURATION_64:duration,
OFFSET_64:offset
}
new_point = Point()
for key in rna:
if key in point:
if key == "octave":
new_value = random.randint(point[key]-rna[key],point[key]+rna[key])+octave_delta
if new_value < 0:
new_value = random.randint(point[key]-rna[key],point[key]+rna[key])+(octave_delta*-1)
print "was negative"
else:
new_value = random.randint(point[key]-rna[key],point[key]+rna[key])
new_point.__setitem__(key, new_value)
return new_point
def mutate(seq, pitch=0, duration=0, velocity=0, offset=0, octave=0):
output = []
octave_delta = random.randint(-1*octave,octave)
for point in seq:
rna = {
'midi_pitch':pitch,
'pitch':pitch,
'octave':octave,
'velocity':velocity,
DURATION_64:duration,
OFFSET_64:offset
}
new_point = Point()
for key in rna:
if key in point:
if key == "octave":
new_value = random.randint(point[key]-rna[key],point[key]+rna[key])+octave_delta
else:
new_value = random.randint(point[key]-rna[key],point[key]+rna[key])
new_point.__setitem__(key, new_value)
output.append(new_point)
return OSequence(output)
