"FLAPPY BIRD" EM PYTHON

//IMPORTANDO BIBLIOTECAS
import pygame
from random import randint

//DEFININDO CORES
black = (0,0,0)
white = (255,255,255)
green = (0,255,0)
red = (255,0,0)

//INICIANDO O PYGAME
pygame.init()

//DEFININDO TAMANHO DA TELA,TELA E O NOME DA JANELA
size = 700,500
screen = pygame.display.set_mode(size)
pygame.display.set_caption("Flappy Bird")

done = False
clock = pygame.time.Clock()

//MANDANDO O PYGAME ESCREVER UM CIRCULO TODA VEZ QUE EU CHAMAR A FUNÇAO ball()
def ball(x,y):
    pygame.draw.circle(screen,black,(x,y), 20)

def gameover():
    font = pygame.font.SysFont(None,75)
    text = font.render("Game Over", True, red)
    screen.blit(text, [150, 250])

def obstacle(xloc, yloc, xsize, ysize):
    pygame.draw.rect(screen, green, [xloc,yloc,xsize,ysize])
    pygame.draw.rect(screen, green, [xloc, int(yloc+ysize+space),xsize, ysize+500])

def Score(score):
    font = pygame.font.SysFont(None, 45)
    text = font.render("Pontuação: "+str(score),True,black)
    screen.blit(text, [0, 0])

x = 350
y=  250
x_speed = 0
y_speed = 0
ground = 477
xloc = 600
yloc = 0
xsize = 80
ysize = randint(0,350)
space = 100
obspeed = 2.0
score = 0

while not done:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            done = True

        if event.type == pygame.KEYDOWN:
            if event.key == pygame.K_UP:
                y_speed = -10
        if event.type == pygame.KEYUP:
            if event.key == pygame.K_UP:
                y_speed = 5

    screen.fill(white)
    obstacle(xloc, yloc, xsize, ysize)
    ball(x,y)
    Score(score)

    y -= y_speed
    xloc -= obspeed

    if y > ground:
        gameover()
        y_speed = 0
        obspeed = 0

    if x+20 > xloc and y-20 < ysize and x-15 < xsize+xloc:
        gameover()
        obspeed = 0
        y_speed = 0

    else:
        xloc -= obspeed
        y += y_speed

    if x+20 > xloc and y+20 > ysize+space and x-15 < xsize+xloc:
        gameover()
        obspeed = 0
        y_speed = 0

    else:
        xloc -= obspeed
        y += y_speed

    if xloc < -80:
        xloc = 700
        ysize = randint(0,350)

    if x > xloc and x < xloc+3:
        score = (score + 1)

    pygame.display.flip()
    clock.tick(60)

pygame.quit()