import pygame
WIDTH = 1840
HEIGHT = 1000
FPS = 30
WHITE = (255, 255, 255)
BLACK = (0, 0, 0)
RED = (255, 0, 0)
GREEN = (0, 255, 0)
BLUE = (0, 0, 255)
VIALET = (238, 130, 238)

snake_block = 15
class Snake(pygame.sprite.Sprite):
    def __init__(self):
        super().__init__()
        self.image = pygame.Surface((snake_block,snake_block ))
        self.image.fill(GREEN)
        self.rect = self.image.get_rect()
        self.rect.x = WIDTH/2
        self.rect.y = HEIGHT/2
        self.dx = 0
        self.dy = 0
        self.body = []
        self.lenght = 1
        self.score = 0
    def update(self):
        self.rect.y += self.dy
        self.rect.x += self.dx
        self.body.append([self.rect.x, self.rect.y])
        if len(self.body)>self.lenght:
            del self.body[0]
        for segment in self.body[:-1]:
            if segment[0] == self.rect.x and segment[1] == self.rect.y:
                return False
        return True
    def draw_body(self, surface):
        for segment in self.body[:-1]:
            pygame.draw.rect(surface, GREEN, segment[0], segment[1], snake_block, snake_block)
    def grow(self):
        self.lenght += 1
        self.score += 1
class Food(pygame.sprite.Sprite):
    def __init__(self):
        super().__init__()
        self.image = pygame.Surface((snake_block,snake_block ))
        self.image.fill(RED)
        self.rect = self.image.get_rect()
    def respawn(self):

pygame.init()
pygame.mixer.init()
screen = pygame.display. set_mode((WIDTH, HEIGHT))
pygame.display.set_caption ("змейка")
clock = pygame.time.Clock()
snake = Snake()
all_sprites = pygame.sprite.Group()
all_sprites.add(snake)

running = True
while running:
    clock.tick(FPS)
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            running = False
    all_sprites.update()
    screen.fill(WHITE)
    all_sprites.draw(screen)
    pygame.display.flip()

pygame.quit()