Paino.py

import pygame, sys, winsound, time

pygame.init()

size = width, height = 865, 365

s = pygame.display.set_mode(size)

class Notes(pygame.sprite.Sprite):
    def __init__(self, x, y, colour, sound_control):
        pygame.sprite.Sprite.__init__(self)
        self.image = pygame.Surface([50, 200])
        self.image.fill(colour)

        self.rect = self.image.get_rect()
        self.rect.x = x
        self.rect.y = y
        self.colour = colour

        self.sound_control = sound_control
        self.pressed = False

    def set_pressed(self, pressed):
        self.pressed = pressed
        if pressed:
            self.image.fill([130, 130, 130])
        else:
            self.image.fill(self.colour)
    
def frequency(n):
   return (2 ** ((n - 49)/12.0)) * 440

counter = 0
totaltime = 0
def length():
    global counter
    if mouse_down[-1] == 1:
        if counter == 0:
            time1 = time.time()
        else:
            time2 = time.time()
            if mouse_down[-1] == 0:
                totaltime = time2 - time1
                
        counter += 1
        
        


amount_of_notes = 14
bottom_pitch = 39
white_note_pitches = [1, 3, 5, 6, 8, 10, 12]
black_note_pitches = [2, 4, None, 7, 9, 11, None]

white_note = pygame.sprite.Group()
black_note = pygame.sprite.Group()


layered_updates = pygame.sprite.LayeredUpdates()
count = 0
total_time = 0

start_x = 80
for i in range(0,amount_of_notes):
    letter = i % 7   
    if letter == 2 or letter == 6:
        continue
    x = start_x + (55 * i)
    pitch = bottom_pitch + (int(i / 7) * 12) + black_note_pitches[letter]
    new_note = Notes(x, 45, [0,0,0], pitch)
    black_note.add(new_note)
    

start_x = 50

for i in range(0,amount_of_notes):
    letter = i % 7
    x = start_x + (55 * i)
    pitch = bottom_pitch + (int(i / 7) * 12) + white_note_pitches[letter]
    new_note = Notes(x, 120, [255, 255, 255], pitch)
    white_note.add(new_note)
    
    

layered_updates.add(white_note.sprites())
layered_updates.add(black_note.sprites())
s.fill([0,130,255])


mouse_down = [0]
Cont = False
found = 0
while True:
     
    time.sleep(0.01)
    for event in pygame.event.get():
        
        if event.type == pygame.MOUSEBUTTONDOWN:
            mouse_down.append(1)
        elif event.type == pygame.MOUSEBUTTONUP:
            mouse_down.remove(1)

        print(mouse_down)
        
        pos = x,y = pygame.mouse.get_pos()
        found = None
        for i in range(0, len(black_note.sprites())):
        
            if black_note.sprites()[i].rect.collidepoint(pos):
                found = frequency(black_note.sprites()[i].sound_control)
                break
        if found == None:

                for note in white_note.sprites():
                    if note.rect.collidepoint(pos):
                        
                        if mouse_down[-1] == 1:
                            note.set_pressed(True)
                            
                            found = frequency(note.sound_control)
                            length()
                            Cont = True
                        if Cont == False:
                            continue
                        else:
                            winsound.Beep(int(found), int(totaltime))

                        break
        if found == None:
            continue
    
    layered_updates.draw(s)
    pygame.display.update()