Tvorba hier a používateľského zážitku

import pygame

pygame.init()

okno = pygame.display.set_mode((500, 480))
pygame.display.set_caption("Prvá hra")

kracaDoprava = [pygame.image.load('doprava1.png'),
                pygame.image.load('doprava2.png'),
                pygame.image.load('doprava3.png'),
                pygame.image.load('doprava4.png'),
                pygame.image.load('doprava5.png'),
                pygame.image.load('doprava6.png'),
                pygame.image.load('doprava7.png'),
                pygame.image.load('doprava8.png'),
                pygame.image.load('doprava9.png')]

kracaDolava = [pygame.image.load('dolava1.png'),
               pygame.image.load('dolava2.png'),
               pygame.image.load('dolava3.png'),
               pygame.image.load('dolava4.png'),
               pygame.image.load('dolava5.png'),
               pygame.image.load('dolava6.png'),
               pygame.image.load('dolava7.png'),
               pygame.image.load('dolava8.png'),
               pygame.image.load('dolava9.png')]

pozadieObr = pygame.image.load('pozadie.jpg')

postavaStoji = pygame.image.load(
    'postavaStoji.png')

x = 50
y = 400
sirka = 40
vyska = 60
posun = 5

clock = pygame.time.Clock()

jeVoVyskoku = False
skokPocet = 10

otocenaVlavo = False
otocenaVpravo = False
pocetKrokov = 0


def prekresliHerneOkno():
    global pocetKrokov



    pygame.display.update()

spustena = True

while spustena:
    clock.tick(27)

    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            spustena = False

    klavesy = pygame.key.get_pressed()

    if klavesy[pygame.K_LEFT] and x > posun:
     #dopln

    elif klavesy[
        pygame.K_RIGHT] and x < 500 - posun - sirka:
       

      #dopln

    else:
        otocenaVlavo = False
        otocenaVpravo = False
        pocetKrokov = 0

    if not (jeVoVyskoku):
        if klavesy[pygame.K_SPACE]:
            jeVoVyskoku = True
            otocenaVlavo = False
            otocenaVpravo = False
            pocetKrokov = 0
    else:
        if skokPocet >= -10:
            y -= (skokPocet * abs(
                skokPocet)) * 0.5
            skokPocet -= 1
        else:
            skokPocet = 10
            jeVoVyskoku = False

    prekresliHerneOkno()

pygame.quit()