def note2chord(chordlist):
chord = []
for i in sorted(chordlist):
temp = utils.val_to_note(int(i) % 12)
if temp not in chord:
chord.append(temp)
n = 0
while n < 100:
if note_to_chord(chord):
return note_to_chord(chord)[0]
else:
random.shuffle(chord)
n = n + 1
def getChords(notes):
global cpt
global baseChord
#print(notes)
chord = note_to_chord(notes) # Convert notes to chord
if len(chord) == 0: # Si c'est pas un accord
return # Pas de changement de couleur
chord = str(chord[0]) # Si c'est un accord le passe en String
#print(chord)
chord = list(chord) # Si c'est un accord le passe en list
"""
if "/" in chord and chord[-1] != "#" : # Si accord renverse sans # a la fondamentale
chord[0] = chord[-1] # La fondamentale reprend leur place
elif "/" in chord and chord[-1] == "#": # Si accord renverse avec # a la fondamentale
chord[0] = chord[-2] # La fondamentale et son # reprennent leur place
chord[1] = chord[-1]
"""
if len(chord) > 1 and chord[1] == "#": # Si c'est un accord avec un #
chord = chord[0] + chord[
1] # L'accord prend comme nom sa fondamentale et son #
else:
chord = chord[0] # L'accord prend comme non sa fondamentale
if baseChord == "" or baseChord != chord: # Si l'accord n'est pas le meme que l'ancien
baseChord = chord # L'accord devient l'accord de reference
print(chord)
return pickColorChord(chord)
def home():
if request.method == 'GET':
"""return the information for <user_id>"""
return myChord.pitchedCommonName
if request.method == 'POST':
"""modify/update the information for <user_id>"""
# you can use <user_id>, which is a str but could
# changed to be int or whatever you want, along
# with your lxml knowledge to make the required
# changes
if "c" in request.data:
del notasActivas[:]
del notasNombre[:]
return str(len(notasNombre))
notasActivas.append(request.data)
for nota in notasActivas:
p = pitch.Pitch(nota)
p = p.name
if p in notasNombre:
test = 1
else:
notasNombre.append(p)
str1 = ' '.join(notasNombre)
for notas in notasNombre:
print(notas)
if str(note_to_chord(notasNombre)) == "[]":
test = chord.Chord(notasNombre)
return test.pitchedCommonName
else:
myChord = note_to_chord(notasNombre)
print(str(myChord))
return str(myChord)
def bin_to_chord(bit_arr):
notes = NOTE_INTS_ARR[bit_arr > 0]
note_names = [INT_TO_NOTE[n] for n in notes]
try:
chrd = note_to_chord(note_names)
except:
return []
return chrd
def get(self):
midi_chord = request.args.getlist('notes')[0].split(',')
pychord_chord = note_to_chord(
[note_to_name(int(i)) for i in midi_chord])
result_dict = {("chord_" + str(i)): str(pychord_chord[i])
for i in range(len(pychord_chord))}
return jsonify(result_dict)
def to_chord(self):
if not self.chord:
note_names = self.to_note_names()
chords = note_to_chord(note_names)
print(chords)
if len(chords):
self.chord = chords[0]
else:
self.chord = None
return self.chord
def get_chords(mode, key, seventh=False, ninth=False):
retval = []
# PRINT THE CHORDS
for i in range(7):
chord = []
chord.append(get_note_name(get_note_by_index(mode, i), key))
chord.append(get_note_name(get_note_by_index(mode, i + 2), key))
chord.append(get_note_name(get_note_by_index(mode, i + 4), key))
# settima
if seventh:
chord.append(get_note_name(get_note_by_index(mode, i + 6), key))
# nona
if ninth:
chord.append(get_note_name(get_note_by_index(mode, i + 1), key))
retval.append(note_to_chord(chord))
return retval
def get_chord_progression_from_file(f_name, debug=False):
"""
Takes a file name returns a chord progression
:return ChordProgression
"""
if debug:
print("processing: {}".format(f_name))
mlt = Multitrack()
try:
mlt.parse_midi(filename=f_name, binarized=True)
merged_mlt = mlt.get_merged_pianoroll(mode='max')
except:
print("unable to parse. skipping: {}".format(f_name))
return ChordProgression() # empty progression
chord_progression = ChordProgression([])
last_chord_change = 0
for i, x in enumerate(merged_mlt):
# print(x)
notes = np.where(x)
num_notes = np.sum(x)
if num_notes:
if num_notes > 1:
chord_notes = INT_TO_NOTE[notes[0] % 12]
chord_name = note_to_chord(chord_notes.tolist())
if chord_name:
chord = chord_name[0]
if len(chord_progression.chords
) == 0 or chord_progression.chords[-1] != chord:
# print("chord: ", notes[0], chord_notes, chord_name)
chord_progression.append(chord)
# else:
# print("note: ", notes[0])
# print(chord_progression)
return chord_progression
def getChords(notes):
if len(notes) > 1: # If two notes or more know the chord
if len(note_to_chord(notes)) != 0:
return pickColorChord(str(note_to_chord(notes)[0]))
def record_midi_menu(WIN):
# the velocity with which the notes move up
note_vel = 2
# list of currently pressed notes, used for drawing
notes = []
# list of currently pressed notes, used for chords
notes_pressed = []
# particles list
particles = []
pianoKeyboard = PianoKeyboard()
pianoKeyboard.init()
# clear input buffer
midis2events.midis2events(MIDI_INPUT.read(40), MIDI_INPUT).clear()
# start time of the function
start = t.perf_counter()
click = False
mf = None
track = None
channel = None
running = True
recording = False
entering_text = False
while running:
# fill background color and draw keyboard over it
WIN.fill(TAN)
pianoKeyboard.draw(WIN, notes_pressed)
# draw notes
for note in notes:
if note.is_pressed:
note.incrementHeight(note_vel)
note.drawNote(WIN)
# generate particles
COLOR = None
if note.is_white:
if note.number < 60:
COLOR = COLOR1
else:
COLOR = COLOR3
else:
if note.number < 60:
COLOR = COLOR1
else:
COLOR = COLOR3
p = Particle([
pianoKeyboard.keys[note.number].x + 6,
HEIGHT - WHITE_NOTE_HEIGHT
], random.randint(1, 5), [
random.randint(0, 20) / 10 - 1,
random.randint(0, 20) / 10 - 2
], 6, RED)
particles.append(p)
else:
note.moveNoteUp(note_vel)
note.drawNote(WIN)
if note.rect.y + note.rect.h + 100 < 0:
notes.remove(note)
# remove expired particles
for particle in particles:
if particle.radius <= 0:
particles.remove(particle)
# draw top bar
pygame.draw.rect(WIN, WHITE, (0, 0, WIDTH, HEIGHT // 17))
pygame.draw.rect(WIN, BLACK, (0, HEIGHT // 17, WIDTH, 2))
# draw text on bar
draw_text(WIN, "Record MIDI", 25, WIDTH // 2, HEIGHT // 17 // 2, BLACK,
True, True)
back_button = draw_button('Main Menu', FONT_NAME, 25, BLACK, WIN,
WIDTH - 5, HEIGHT // 17)
if not recording:
draw_text(WIN, "Press P to start recording", 20, WIDTH - 5,
HEIGHT // 17 * 1.5, BLACK, True, False, True)
else:
draw_text(WIN, "Press P to stop recording", 20, WIDTH - 5,
HEIGHT // 17 * 1.5, BLACK, True, False, True)
# draw currently pressed chord name on screen
if len(notes_pressed) > 0:
notes_pressed_char = []
for note in notes_pressed:
notes_pressed_char.append(number_to_note(note))
notes_pressed_char.sort()
if len(notes_pressed_char) == 1:
draw_text(WIN, notes_pressed_char[0], 25, 5, HEIGHT // 17 // 2,
BLACK, True, False)
elif len(notes_pressed_char) == 2 and abs(notes_pressed[0] -
notes_pressed[1]) == 12:
draw_text(WIN, notes_pressed_char[0] + " with perfect octave",
25, 5, HEIGHT // 17 // 2, BLACK, True, False)
elif note_to_chord(notes_pressed_char):
# REGEX
chords = re.findall(r'<Chord: ([^>]*)',
str(note_to_chord(notes_pressed_char)))
text = ", ".join(chords)
draw_text(WIN, "Chord: " + text, 25, 5, HEIGHT // 17 // 2,
BLACK, True, False)
# draw particles
for particle in particles:
particle.position[0] += particle.velocity[0]
particle.position[1] += particle.velocity[1]
particle.radius -= 0.1
pygame.draw.circle(WIN, particle.color, particle.position,
particle.radius)
if particle.radius <= 0:
particles.remove(particle)
# check for midi events from the input port
for event in midis2events.midis2events(MIDI_INPUT.read(40),
MIDI_INPUT):
# for some reason, all events are NOTE_ON events
# a NOTE_ON event with velocity 0 represents a NOTE_OFF event
if event.command == midis2events.NOTE_ON:
# extract data from event
note_number = event.data1
velocity = event.data2
if velocity != 0: # note on
print(f"ON %s %s %s" %
(event.data1, velocity, t.perf_counter() - start))
if pianoKeyboard.keys[note_number].is_white:
WHITE_NOTE_RECT = pygame.Rect(
(pianoKeyboard.keys[note_number].x + 6,
HEIGHT - WHITE_NOTE_HEIGHT),
(WIDTH // NR_WHITE_NOTES - 3, 0))
note = Note(number=note_number,
velocity=velocity,
start_time=t.perf_counter() - start,
rect=WHITE_NOTE_RECT,
is_pressed=True,
is_white=True)
else:
BLACK_NOTE_RECT = pygame.Rect(
(pianoKeyboard.keys[note_number].x + 3,
HEIGHT - WHITE_NOTE_HEIGHT),
(WIDTH // 100 - 3, 0))
note = Note(number=note_number,
velocity=velocity,
start_time=t.perf_counter() - start,
rect=BLACK_NOTE_RECT,
is_pressed=True,
is_white=False)
# add note to notes list
notes.append(note)
# add note number to currently pressed notes list
notes_pressed.append(note_number)
else: # note off
# search for note in notes list and set note.is_pressed to False
for note in notes:
if note.number == note_number and note.is_pressed:
note.is_pressed = False
# write note to MIDI file
try:
if recording:
mf.addNote(
track, channel, note_number,
note.start_time,
t.perf_counter() - start -
note.start_time, note.velocity)
except:
print(
"Something went wrong with writing the MIDI file."
)
# remove note from notes_pressed list
notes_pressed.remove(note_number)
print("turn off note %s with start time %s" %
(note.number, note.start_time))
print(f"OFF %s %s %s" %
(event.data1, event.data2, t.perf_counter() - start))
# elif event.command == midis2events.NOTE_OFF:
click = False
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
running = False
if event.key == pygame.K_p and recording == False:
recording = True
# create MIDI object
mf = MIDIFile(1) # only 1 track
track = 0 # the only track
mf.addTrackName(track, 0, "Sample Track")
mf.addTempo(track, 0, 60)
channel = 0
start = t.perf_counter()
elif event.key == pygame.K_p and recording == True:
recording = False
filename = enter_text(WIN)
if filename != "":
with open(filename + ".mid", 'wb') as outf:
mf.writeFile(outf)
if event.type == pygame.MOUSEBUTTONDOWN:
if event.button == 1:
click = True
mx, my = pygame.mouse.get_pos()
if back_button.collidepoint((mx, my)) and click:
running = False
pygame.display.update()
CLOCK.tick(FPS)
from pychord import Chord, note_to_chord
chrd1 = Chord("Am7")
chrd2 = Chord("C")
print(chrd1)
print(chrd2)
print(note_to_chord(["C", "E", "G"]))
i = pygame.midi.Input(input_id)
print("input MIDI:%d" % input_id)
print("starting")
going = True
pre_status = 156
inputs = []
while going:
if i.poll():
midi_events = i.read(
10
) # midi_events = [[[status,note,velocity,channel],timestamp],...]
if (midi_events[0][0][1] == 96): # C7 押下で終了
going = False
elif (midi_events[0][0][0] == 156): # 鍵盤を押下したとき
inputs.append(midi_events[0][0][1])
elif (midi_events[0][0][0] == 140): # 鍵盤を離したとき
if (pre_status == 156): # 鍵盤を押下していたとき
inputs.sort()
notes = convert(inputs)
notes_list = sorted(set(notes), key=notes.index)
print(notes_list, note_to_chord(notes_list))
inputs = []
pre_status = midi_events[0][0][0] # 前の status を保存する
i.close()
pygame.midi.quit()
pygame.quit()
exit()
def test_find_from_components(self):
self.quality_manager.set_quality("13", (0, 4, 7, 10, 14, 17, 21))
chords = note_to_chord(['C', 'E', 'G', 'Bb', 'D', 'F', 'A'])
self.assertEqual(chords, [Chord("C13")])
from pychord import Chord
import pychord
chord_am7 = Chord("Am7")
chord_am7_info = chord_am7.info()
chord_am7_comp = chord_am7.components()
bbb = pychord.note_to_chord(["C", "E", "G"])
print(chord_am7_info)
def serve(model_path=MODEL_OUT_PATH, in_port_name=None, out_port_name=None):
if not model_path:
print("FastText model is required!")
if not in_port_name:
print("MIDI input port name is required!")
if not out_port_name:
print("MIDI output port name is required!")
mdl = load_mdl(model_path)
INPUT_DEVICE_NAME = in_port_name
OUTPUT_DEVICE_NAME = out_port_name
print('MIDI ports: in: {}, out: {}'.format(INPUT_DEVICE_NAME,
OUTPUT_DEVICE_NAME))
port = mido.open_output(OUTPUT_DEVICE_NAME)
inport = mido.open_input(INPUT_DEVICE_NAME)
current_ai_notes = set()
current_human_played_notes = set()
current_human_played_note = None
current_human_vel = 0
last_human_played_note = None
while True:
r_msg = inport.receive()
if r_msg.type in ['note_on', 'note_off']:
note_num = INT_TO_NOTE[r_msg.note % 12]
if r_msg.type == 'note_on':
current_human_played_notes.add(r_msg.note)
last_human_played_note = current_human_played_note
current_human_played_note = r_msg.note
current_human_vel = r_msg.velocity
else:
if r_msg.note in current_human_played_notes:
stop_one_note(port, r_msg.note)
current_human_played_notes.remove(r_msg.note)
current_human_played_note = None
current_human_vel = 0
# print(current_human_played_notes)
# print(current_human_played_note, "vel: ", current_human_vel)
if not current_human_played_notes:
stop_all_ai_notes(port, list(current_ai_notes))
current_ai_notes = set()
elif current_human_played_note and current_human_played_note != last_human_played_note:
chrd_notes = [current_human_played_note]
human_octave = int(max(current_human_played_notes) / 12)
if len(current_human_played_notes) == 1:
# chrd = Chord(chrd_notes[0])
chrd_str = INT_TO_NOTE[chrd_notes[0] % 12]
human_notes_names = [chrd_str]
else:
human_notes = list(current_human_played_notes)
human_notes_names = [INT_TO_NOTE[n % 12] for n in human_notes]
chrd = note_to_chord(human_notes_names)
if not chrd:
chrd_str = ''
else:
chrd_str = str(chrd[0])
if not chrd_str or chrd_str == '</s>':
continue
try:
next_chord = get_next_chord(mdl,
chrd_str,
random_neighbors=True,
hypercube=False)
if not next_chord:
continue
print("notes: {}, chord_suggestion: {}".format(
human_notes_names, next_chord))
next_chord_notes = generate_notes_from_chord(
next_chord, human_octave)
# stop any pending AI notes
stop_all_notes(port)
current_ai_notes = set()
# start new AI notes
start_all_ai_notes(port, next_chord_notes, current_human_vel)
for note in next_chord_notes:
current_ai_notes.add(note)
except:
print("error parsing chrd_str: '{}'".format(chrd_str))
bestfreqs = freq[sortorder[-10:]]
freq1 = bestfreqs[-1]
freq2 = bestfreqs[-2]
freq3 = bestfreqs[-3]
freq4 = bestfreqs[-4]
note1, octave1 = findnote(freq1, df)
note2, octave2 = findnote(freq2, df)
note3, octave3 = findnote(freq3, df)
note4, octave4 = findnote(freq4, df)
freqs = [freq1, freq2, freq3, freq4]
octaves = np.asarray([octave1, octave2, octave3, octave4])
notes = np.asarray([note1, note2, note3, note4])
sortfreq = np.argsort(freqs)
sortednotes = list(notes[sortfreq])
sortedoctaves = list(octaves[sortfreq])
#now need to find the root note. start by finding lowest frequency.
finalnotes = list(dict.fromkeys(sortednotes))
print('this chord consists of the notes: ' + sortednotes[0] +
sortedoctaves[0] + ' ' + sortednotes[1] + sortedoctaves[1] + ' ' +
sortednotes[2] + sortedoctaves[2] + ' ' + sortednotes[3] +
sortedoctaves[3])
print('The chord is ' + str(note_to_chord(finalnotes)))
def analyze_chunk(interval, fs, data_parts, duration,
T1): # rekurzivna funkcija
global current_time, k, data_chunk # current time, current position in data_parts array , data chunk to be analyzed
global start, end # starting and ending position of chunk to be analyzed
global once # switch
global chord_prog, durations # list to store chords that are found and list to store durations
#T2 = time.time()
#if ((T2 - T1) > 60):
#return "Failed"
if (current_time >= duration or k == len(data_parts)): # basic if
return "Done"
if (once): # running once, to make starting interval
end = start + interval
once = False
chunk = end - start # deo u sekundi
n_intervals = round(chunk / interval)
if (n_intervals > 1):
for i in range(0, n_intervals):
if (k != len(data_parts)):
data_chunk = np.append(data_chunk, data_parts[k])
k = k + 1
else:
print("Nothing found beetwen {0} and {1}".format(
round(start, 1), round(end, 1)))
chord_prog.append("None")
durations.append(round(chunk, 1) - interval)
return "Done"
else:
data_chunk = data_parts[k]
k = k + 1
fft_and_freq = do_fft(
fs, data_chunk
) # kreiranje matrice sa fft vrednostima i odgovarajucim frekvencijama
notes = find_all_notes(
fft_and_freq[0], fft_and_freq[1]
) # trazenje svih nota, sortiranih od one koja se cuje najvise
triad_notes = []
l = 0
for note in notes:
if (note != "None" and l < 3):
triad_notes.append(note)
l = l + 1
triad = reference_sort(
triad_notes
) # pravljenje trikorda od 3 najjaca tona, sortirana po hromatskoj skali
chord_list = note_to_chord(
triad
) # odredjivanje koji to akord, s tim da note_to_chord funkcija vraca listu (len(a) = 0 akko nije nasao akord)
if (len(chord_list) != 0): # ako nadje akord
chord = chord_list[0].chord
print("Chord {0} found between {1} - {2}".format(
chord, round(start, 1), round(end, 1)))
#print("Notes found are ", triad)
if ("/" in chord): # sklanjanje "/"
slash_id = chord.find("/")
chord = chord[0:slash_id]
else:
pass
current_time = current_time + chunk
chord_prog.append(chord)
durations.append(round(chunk, 1))
data_chunk = [] # emptying data chunk to analyzed
start = end # moving start point to end
end = end + interval # moving end point by 1 interval
# increasing analyzed_time by analyzed time
analyze_chunk(interval, fs, data_parts, duration, T1)
else:
data_chunk = [] # emptying data chunk to analyzed
end = end + interval # moving end point by 1 interval
#print("Nothing found, increasing interval to {0}".format(round(end - start, 1)))
k = k - n_intervals
analyze_chunk(interval, fs, data_parts, duration, T1)
def find_chord_progression(interval, fs, data, is_stereo=True):
duration = len(data) / fs # duzina uzorka (s)
n_parts = round(duration / interval) # broj delova
data_parts = np.array_split(data, n_parts) # seckanje
j = 0
start_time = 0
end_time = interval
for i in range(0, n_parts):
fft_and_freq = do_fft(
fs, data_parts[i], is_stereo
) # kreiranje matrice sa fft vrednostima i odgovarajucim frekvencijama
notes = find_all_notes(
fft_and_freq[0], fft_and_freq[1]
) # trazenje svih nota, sortiranih od one koja se cuje najvise
triad = reference_sort(
[notes[0], notes[1], notes[2]], chrom_scale
) # pravljenje trikorda od 3 najjaca tona, sortirana po hromatskoj skali
chord_list = note_to_chord(
triad
) # odredjivanje koji to akord, s tim da note_to_chord funkcija vraca listu
# ako su random note i funkcija ne moze da nadje akord, crashuje
try:
chord = chord_list[0].chord
except:
chord = "None"
# ispisivanje tonova
# print("Notes found: ", reference_sort(notes[0:3], chrom_scale))
# zbog mogucih inverzija na klaviru pojavljuju se akordi poput
# C/G sto ustvari jesu tonovi C,E,G mada je G bas
if ("/" in chord):
slash_id = chord.find("/")
chord = chord[0:slash_id]
print(chord[0:slash_id], " ", start_time, " - ", end_time, "s")
else:
print(chord, " ", start_time, " - ", end_time, "s")
# deo koji racuna trajanje svakog akorda
if (i == 0):
durations.append(0.0)
durations[j] = durations[j] + interval
chord_prog.append(chord)
prev_chord = chord
# print("Added 0.2s to chord: ", prev_chord, "\n")
if (i != 0):
if (prev_chord == chord):
durations[j] = durations[j] + interval
# print("Same as the last one, added 0.2s to chord: ", prev_chord, "\n")
else:
prev_chord = chord
chord_prog.append(chord)
# print("Chord changed to: ", prev_chord)
j = j + 1
durations.append(0.0)
durations[j] = durations[j] + interval
# print("Added 0.2s to chord: ", prev_chord, "\n")
start_time = round(start_time + interval, 1)
end_time = round(end_time + interval, 1)
if (i == n_parts - 1):
k = 0
for el in durations:
durations[k] = round(durations[k], 1)
k = k + 1
def freeplay_menu(WIN):
# the velocity with which the notes move up
note_vel = 2
# list of currently pressed notes, used for drawing chords to screen
notes = []
# list of currently pressed notes, used for chords
notes_pressed = []
# particles list
particles = []
pianoKeyboard = PianoKeyboard()
pianoKeyboard.init()
# clear input buffer
midis2events.midis2events(MIDI_INPUT.read(40), MIDI_INPUT).clear()
# start time of the function
start = t.perf_counter()
click = False
running = True
while running:
# fill background color and draw keyboard over it
WIN.fill(TAN)
pianoKeyboard.draw(WIN, notes_pressed)
# draw notes
for note in notes:
if note.is_pressed:
note.incrementHeight(note_vel)
note.drawNote(WIN)
# generate particles
COLOR = RED
p = Particle([pianoKeyboard.keys[note.number].x + 6, HEIGHT - WHITE_NOTE_HEIGHT], random.randint(1, 5),
[random.randint(0, 20) / 10 - 1, random.randint(0, 20) / 10 - 2], 6, COLOR)
particles.append(p)
else:
note.moveNoteUp(note_vel)
note.drawNote(WIN)
if note.rect.y + note.rect.h + 100 < 0:
notes.remove(note)
# remove expired particles
for particle in particles:
if particle.radius <= 0:
particles.remove(particle)
# draw top bar
pygame.draw.rect(WIN, WHITE, (0, 0, WIDTH, HEIGHT // 17))
pygame.draw.rect(WIN, BLACK, (0, HEIGHT // 17, WIDTH, 2))
# draw text on bar
draw_text(WIN, "Free Play", 25, WIDTH // 2, HEIGHT // 17 // 2, BLACK, True, True)
back_button = draw_button('Main Menu', FONT_NAME, 25, BLACK, WIN, WIDTH - 5, HEIGHT // 17)
# draw currently pressed chord name on screen
if len(notes_pressed) > 0:
notes_pressed_char = []
for note in notes_pressed:
notes_pressed_char.append(number_to_note(note))
notes_pressed_char.sort()
if len(notes_pressed_char) == 1:
draw_text(WIN, notes_pressed_char[0], 25, 5, HEIGHT // 17 // 2, BLACK, True, False)
elif len(notes_pressed_char) == 2 and abs(notes_pressed[0] - notes_pressed[1]) == 12:
draw_text(WIN, notes_pressed_char[0] + " with perfect octave", 25, 5, HEIGHT // 17 // 2, BLACK, True,
False)
else:
notes_pressed_char = remove_duplicates(notes_pressed_char)
if note_to_chord(notes_pressed_char):
# REGEX
chords = re.findall(r'<Chord: ([^>]*)', str(note_to_chord(notes_pressed_char)))
text = ", ".join(chords)
draw_text(WIN, "Chord: " + text, 25, 5, HEIGHT // 17 // 2, BLACK, True, False)
print(remove_duplicates(["a", "b", "a", "c", "c"]))
# draw particles
for particle in particles:
particle.position[0] += particle.velocity[0]
particle.position[1] += particle.velocity[1]
particle.radius -= 0.1
pygame.draw.circle(WIN, particle.color, particle.position, particle.radius)
if particle.radius <= 0:
particles.remove(particle)
# check for midi events from the input port
for event in midis2events.midis2events(MIDI_INPUT.read(40), MIDI_INPUT):
# for some reason, all events are NOTE_ON events
# a NOTE_ON event with velocity 0 represents a NOTE_OFF event
if event.command == midis2events.NOTE_ON:
# extract data from event
note_number = event.data1
velocity = event.data2
if velocity != 0: # note on
print(f"ON %s %s %s" % (event.data1, velocity, t.perf_counter() - start))
if pianoKeyboard.keys[note_number].is_white:
WHITE_NOTE_RECT = pygame.Rect((pianoKeyboard.keys[note_number].x + 6,
HEIGHT - WHITE_NOTE_HEIGHT), (WIDTH // NR_WHITE_NOTES - 3, 0))
note = Note(number=note_number, velocity=velocity, start_time=t.perf_counter() - start,
rect=WHITE_NOTE_RECT, is_pressed=True, is_white=True)
else:
BLACK_NOTE_RECT = pygame.Rect((pianoKeyboard.keys[note_number].x + 3,
HEIGHT - WHITE_NOTE_HEIGHT), (WIDTH // 100 - 3, 0))
note = Note(number=note_number, velocity=velocity, start_time=t.perf_counter() - start,
rect=BLACK_NOTE_RECT, is_pressed=True, is_white=False)
# add note to notes list
notes.append(note)
# add note number to currently pressed notes list
notes_pressed.append(note_number)
else: # note off
# search for note in notes vector and set is_pressed to False
for note in notes:
if note.number == note_number and note.is_pressed:
note.is_pressed = False
# remove note from notes_pressed list
notes_pressed.remove(note_number)
print(f"OFF %s %s %s" % (event.data1, event.data2, t.perf_counter() - start))
# elif event.command == midis2events.NOTE_OFF:
for event in pygame.event.get():
if event.type == pygame.QUIT:
sys.exit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_ESCAPE:
running = False
if event.type == pygame.MOUSEBUTTONDOWN:
if event.button == 1:
click = True
mx, my = pygame.mouse.get_pos()
if back_button.collidepoint((mx, my)) and click:
running = False
pygame.display.update()
CLOCK.tick(FPS)