Pygame

لماذا في هذا الكود الزرين w و s لا يعملان

و اذا كان عندك أي ملحوظه لتحسين الكود قلها لي 

import pygame

from random import randint

pygame.init()

clock = pygame.time.Clock()

WHITE = (255, 255, 255)

BLACK = (0, 0, 0)

GREEN = (0, 185, 0)

BLUE = (0, 0, 255)

RED = (255, 0, 0)

screenWidth = 700

screenHeight = 500

screen = pygame.display.set_mode((screenWidth, screenHeight))

pygame.display.set_caption("Ping Pong")

score1 = 0

score2 = 0

dir = 1

class Madrab:

 def __init__(self, x, y, width, height, color, step):

  self.x = x

  self.y = y

  self.start_y = y

  self.start_x = x

  self.width = width

  self.height = height

  self.color = color

  self.step = step

  self.hitbox = (self.x, self.y, self.width, self.height)

 def draw(self, screen):

  pygame.draw.rect(screen, self.color,(self.x, self.y, self.width, self.height))

  self.hitbox = (self.x, self.y, self.width, self.height)

  #pygame.draw.rect(screen, BLACK, self.hitbox, 1)

class Ball:

 def __init__(self, x, y, radius, color, stepx, stepy):

  self.x = x

  self.y = y

  self.start_x = x

  self.start_y = y

  self.stepy = stepy

  self.stepx = stepx

  self.radius = radius

  self.color = color

 def draw(self, screen):

  pygame.draw.circle(screen, self.color,(self.x, self.y) ,self.radius)

score = pygame.font.SysFont("Arial", 50)

ball = Ball(screenWidth // 2, screenHeight // 2, 10, BLACK, 3, 3)

m1 = Madrab(60, 200, 20, 100, RED, 7)

m2 = Madrab(620, 200, 20, 100, BLUE, 7)

bg = Madrab(0, 0, screenWidth, screenHeight, WHITE, 0)

goul = 20

def redraw():

 text1 = score.render(f"P1 = {score1}", True, GREEN)

 text2 = score.render(f"P2 = {score2}", True, GREEN)

 bg.draw(screen)

 screen.blit(text1, (80, 20))

 screen.blit(text2, (480, 20))

 m1.draw(screen)

 m2.draw(screen)

 ball.draw(screen)

 pygame.display.update()

on = True

while on:

 clock.tick(30)

 keys = pygame.key.get_pressed()

 if keys[pygame.K_DOWN]:

  if m2.y + 100 + m2.step < screenHeight:

   m2.y += m2.step

 elif keys[pygame.K_UP]:

  if m2.y - m2.step > 0:

   m2.y -= m2.step

 if pygame.key.get_pressed()[pygame.K_w]:

  print("w")

  if m1.y - m1.step > 0:

   m1.y -= m1.step

 elif pygame.key.get_pressed()[pygame.K_s]:

  print("s")

  if m1.y + 100 + m1.step < screenHeight:

   m1.y += m1.step

 if 60 < ball.x - ball.radius < 80:

  if m1.y <= ball.y - ball.radius <= (m1.y + 99):

   ball.x = 95

   ball.stepx *= -1

   dir *= -1

  elif m1.y - 3 <= ball.y - ball.radius <= m2.y + 2:

   ball.x -= 5

   ball.stepy *= -1

  elif m1.y + 98 <= ball.y - ball.radius <= m2.y + 103:

   ball.x -= 5

   ball.stepy *= -1

 if 620 < ball.x + ball.radius < 640:

  if m2.y + 1 <= ball.y + ball.radius <= m2.y + 99:

   ball.x = 605

   ball.stepx *= -1

   dir *= -1

  elif m2.y - 3 <= ball.y + ball.radius <= m2.y + 2:

   ball.x += 5

   ball.stepy *= -1

  elif m2.y + 100 <= ball.y + ball.radius <= m2.y + 105:

   ball.x += 5

   ball.stepy *= -1

 if ball.stepy > 0:

  if ball.y < screenHeight - ball.radius:

   ball.y += ball.stepy

  else:

   ball.y -= 10

   ball.stepy *= -1

 elif ball.stepy < 0:

  if ball.radius < ball.y < screenHeight - ball.radius:

   ball.y += ball.stepy

  else:

   ball.y += 10

   ball.stepy *= -1

 if ball.radius < ball.x < screenWidth - ball.radius:

  ball.x += ball.stepx

 elif ball.x > screenWidth - (ball.radius * 1.5):

  ball.x = ball.start_x

  ball.y = ball.start_y

  dir *= -1

  score1 += 1

  ball.stepy = randint(2, 7)

  ball.stepx = randint(2, 7) * dir

 elif ball.x < 0 + (ball.radius * 1.5):

  ball.x = ball.start_x

  ball.y = ball.start_y

  dir *= -1

  score2 += 1

  ball.stepy = randint(2, 7)

  ball.stepx = randint(2, 7) * dir

 redraw()