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import random
import Drunk
import Config
from Generation.GenerationConstants import GenerationConstants
class GenerationPitch:
def __init__( self, pattern ):
MIN = 0
MAX = 14
if pattern == 0:
self.pitchMethod = Drunk.Drunk( MIN, MAX )
elif pattern == 1:
self.pitchMethod = Drunk.DroneAndJump( MIN, MAX )
elif pattern == 2:
self.pitchMethod = Drunk.Repeter( MIN, MAX )
elif pattern == 3:
self.pitchMethod = Drunk.Loopseg( MIN, MAX )
# self.harmonicDrunk = Drunk.Drunk( MIN, MAX )
# self.harmonicDroneAndJump = Drunk.DroneAndJump( MIN, MAX )
# self.harmonicRepeter = Drunk.Repeter( MIN, MAX )
# self.harmonicLoopseg = Drunk.Loopseg( MIN, MAX )
# def harmonicChooseMethod( self, pattern ):
# if pattern == 0: return self.harmonicDrunk
# elif pattern == 1: return self.harmonicDroneAndJump
# elif pattern == 2: return self.harmonicRepeter
# elif pattern == 3: return self.harmonicLoopseg
def drunkPitchSequence(self, length, parameters, table_pitch):
pitchSequence = []
append = pitchSequence.append
numberOfPitch = int( ( 1 - (parameters.pitchRegularity*.8) ) * 10 + 1 )
step = -(8 - (int(parameters.step * 8)))
max = len(table_pitch)-1
nextValue = self.pitchMethod.getNextValue
tonique = GenerationConstants.DEFAULT_TONIQUE
for i in range(numberOfPitch):
append((table_pitch[nextValue(step, max)]) + tonique)
restOfNotes = range( length - numberOfPitch )
for i in restOfNotes:
position = i % numberOfPitch
append( pitchSequence[ position ] )
return pitchSequence
def drumPitchSequence(self, length, parameters, drumPitch, table_pitch=None):
pitchSequence = []
append = pitchSequence.append
max = len(drumPitch) - 1
rand = random.randint
for i in range(length):
append(drumPitch[ rand( 0, max ) ] )
return pitchSequence
# def harmonicPitchSequence( self, rythmSequence, parameters, table_pitch, harmonicSequence ):
# pitchSequence = []
# pitchMethod = self.harmonicChooseMethod( parameters.pattern )
# for onset in rythmSequence:
# beat = int( onset / Config.TICKS_PER_BEAT )
# pitchSequence.append( ( table_pitch[ harmonicSequence[ beat ] [ pitchMethod.getNextValue(3, ( len( harmonicSequence[ beat ]) - 1) ) ]] ) + GenerationConstants.DEFAULT_TONIQUE )
# return pitchSequence
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