def noRepeat(song):
fitness = 0
for i in range(len(song) - 4):
prev,dum,dum,dum,next = song[i:i+5] # Compare notes of same track
noteDiff3 = abs(midiNote.getPitch(next) - midiNote.getPitch(prev))
if noteDiff3 != 0 : fitness += 1
fitness /= float(len(song)) if len(song) > 0 else 0
return fitness*0.1
def longBass(song):
fitness = 0
for note in song:
pitch = midiNote.getPitch(note)
dur = midiNote.getDur(note)
if pitch > 59 and dur < 64: fitness += 1
if pitch < 51 and dur > 92: fitness += 1
return fitness/float(len(song))*0.25
def writeNote(note, noteDict, f):
track = midiNote.getTrack(note)
channel = midiNote.getChan(note)
noteStr = noteDict[midiNote.getPitch(note)]
duration = (midiNote.getDur(note)) / 4 / 8.0
fraction = duration.as_integer_ratio()
wholeNum = (fraction[0]) / int(fraction[1])
numer = fraction[0] % fraction[1]
# output = "FOL (BA %4d CR %9.6f) TR %2d CH %2d NT %8s %d+%d/%d\n"\
# % (bar, time, track, channel, noteStr, wholeNum, numer, fraction[1])
output = "FOL TR %2d CH %2d NT %8s %d+%d/%d\n" % (track, channel, noteStr, wholeNum, numer, fraction[1])
f.write(output)
def arpeggio(song):
fitness = 0
for i in range(len(song) - 4):
prev,dum,note,dum,next = song[i:i+5] # Compare notes of same track
noteDiff1 = abs(midiNote.getPitch(note) - midiNote.getPitch(next))
noteDiff2 = abs(midiNote.getPitch(prev) - midiNote.getPitch(note))
noteDiff3 = abs(midiNote.getPitch(next) - midiNote.getPitch(prev))
if noteDiff1 == 4 and noteDiff2 == 3: fitness += 0.5
if noteDiff1 == 3 and noteDiff2 == 4: fitness += 0.5
if noteDiff3 == 7 or noteDiff3 == 6: fitness += 0.5
fitness /= float(len(song)) if len(song) > 0 else 0
return fitness*0.25
def notTooHigh(song):
fitness = 0
for note in song:
if midiNote.getPitch(note) < 75: fitness += 1
return fitness/float(len(song))*0.15
def scaleC(song):
fitness = 0
for note in song:
pitch = midiNote.getPitch(note)
if pitch%12 in [0, 2, 3, 5, 7, 8, 10]: fitness += 1
return fitness/float(len(song))*0.25