Cars

from random import randint
import pygame

pygame.init()
pygame.time.set_timer(pygame.USEREVENT, 250)

FPS = 24
W = 400
H = 400
WHITE = (255, 255, 255)
BLACK = (0, 0, 0)
CARS = ('car1.png', 'car2.png',
        'car3.png')
CARS_SURF = []
pygame.mixer.music.load('C:\Music.wav')
sound_crash = pygame.mixer.Sound('C:\Crash.wav')
clock = pygame.time.Clock()

font = pygame.font.Font(pygame.font.match_font('dejavusans'), 36)
text1 = font.render('Game over', 1, (180, 0, 0))


sc = pygame.display.set_mode((W, H))

for i in range(len(CARS)):
    CARS_SURF.append(pygame.image.load(CARS[i]).convert_alpha())


class Car(pygame.sprite.Sprite):
    def __init__(self, x, surf, group):
        pygame.sprite.Sprite.__init__(self)
        self.image = surf
        self.rect = self.image.get_rect(center=(x, 0))
        self.add(group)
        self.speed = randint(1, 3)

    def update(self):
        if self.rect.y < H:
            self.rect.y += self.speed
        else:
            self.kill()


class User_car(pygame.sprite.Sprite):
    def __init__(self, x, surf):
        pygame.sprite.Sprite.__init__(self)
        self.image = pygame.transform.rotate(surf, 180)
        self.rect = self.image.get_rect(center=(x, H))


cars = pygame.sprite.Group()


Car(randint(1, W), CARS_SURF[randint(0, 2)], cars)
user_car1 = User_car(randint(1, W), CARS_SURF[randint(0, 2)])

while 1:
    for i in pygame.event.get():
        if i.type == pygame.QUIT:
            pygame.quit()
            break
        elif i.type == pygame.USEREVENT:
            Car(randint(1, W), CARS_SURF[randint(0, 2)], cars)
        elif i.type == pygame.KEYDOWN:
            if i.key == pygame.K_LEFT:
                user_car1.rect[0] -= 10
            elif i.key == pygame.K_RIGHT:
                user_car1.rect[0] += 10
            elif i.key == pygame.K_UP:
                user_car1.rect[1] -= 10
            elif i.key == pygame.K_DOWN:
                user_car1.rect[1] += 10


    if (pygame.sprite.spritecollideany(user_car1, cars)) != None:
        sound_crash.play()
        sc.fill(BLACK)
        sc.blit(text1, (W // 2, H // 2))
        pygame.mixer.music.stop()
        pygame.display.update()
        break
    else:
        sc.fill(WHITE)
        sc.blit(user_car1.image, user_car1.rect)
        cars.draw(sc)
        pygame.display.update()
        cars.update()

    pygame.time.delay(FPS)