MinTnt

import pygame
import sys

# здесь определяются константы,
# классы и функции
WIN_WIDTH = 600
WIN_HEIGHT = 600
WHITE = 255, 255, 255
BLACK = 0, 0, 0
PINK = 255, 0, 255
AQUA = 0, 255, 255
RED = 255, 0, 0

FPS = 1

class ChangeColor():

    color_to_change = 1

    def __init__(self, surface, first_fourth, second_fourth, color_to_change):
        self.first_fourth = first_fourth
        self.second_fourth = second_fourth
        self.color_to_change = color_to_change
        self.surface = surface

    def change(self):
        if self.color_to_change % 2 == 0:
            self.surface.fill(AQUA)
            screen.blit(self.surface, self.first_fourth)
            screen.blit(self.surface, self.second_fourth)
            self.color_to_change += 1
        else:
            self.surface.fill(RED)
            screen.blit(self.surface, self.first_fourth)
            screen.blit(self.surface, self.second_fourth)
            self.color_to_change += 1

# Создание ректов для каждый четверти
fourth_1 = pygame.Rect((WIN_WIDTH // 2, 0), (WIN_WIDTH // 2, WIN_HEIGHT // 2))
fourth_2 = pygame.Rect((0, 0), (WIN_WIDTH // 2, WIN_HEIGHT // 2))
fourth_3 = pygame.Rect((0, WIN_HEIGHT // 2), (WIN_WIDTH // 2, WIN_HEIGHT // 2))
fourth_4 = pygame.Rect((WIN_WIDTH // 2, WIN_HEIGHT // 2), (WIN_WIDTH // 2, WIN_HEIGHT // 2))

# здесь происходит инициация,
# создание объектов
pygame.init()
screen = pygame.display.set_mode((600, 600))
screen.fill(WHITE)
clock = pygame.time.Clock()

surf_fourth = pygame.Surface((fourth_1.width, fourth_1.height))

# Создание экземпляра класса ChangeColor
first_two_quarters = ChangeColor(surf_fourth, fourth_1, fourth_3, 1)
second_two_quarters = ChangeColor(surf_fourth, fourth_2, fourth_4, 2)

# если надо до цикла отобразить
# какие-то объекты, обновляем экран
pygame.display.update()

active_first_fourth = False
active_second_fourth = False

# главный цикл
while True:

    # задержка
    clock.tick(FPS)

    # цикл обработки событий
    for i in pygame.event.get():
        if i.type == pygame.QUIT:
            sys.exit()
        if i.type == pygame.KEYDOWN:
            if i.key == pygame.K_1:
                screen.fill(WHITE)
                active_first_fourth = True
                active_second_fourth = False
            if i.key == pygame.K_2:
                screen.fill(WHITE)
                active_first_fourth = False
                active_second_fourth = True
            if i.key == pygame.K_0:
                screen.fill(WHITE)
                active_first_fourth = True
                active_second_fourth = True

    if active_first_fourth:
        first_two_quarters.change()
    if active_second_fourth:
        second_two_quarters.change()

    # --------
    # изменение объектов
    # --------

    # обновление экрана
    pygame.display.update()