import random
import pygame, sys
def ball_restart():
global ball_speed_x, ball_speed_y
ball.center = (screen_width/2, screen_height/2)
ball_speed_y *= random.choice((1,-1))
ball_speed_x *= random.choice((1,-1))
def ball_animation():
global ball_speed_x, ball_speed_y
ball.x += ball_speed_x
ball.y += ball_speed_y
if ball.top <= 0 or ball.bottom >= screen_height:
ball_speed_y *= -1
if ball.left <= 0:
ball_restart()
if ball.right >= screen_width:
ball_restart()
if ball.colliderect(player) or ball.colliderect(opponent):
ball_speed_x *= -1
pygame.init()
clock = pygame.time.Clock()
screen_width = 1280
screen_height = 960
screen = pygame.display.set_mode((screen_width,screen_height))
pygame.display.set_caption("Pong")
ball = pygame.Rect(screen_width/2 - 15, screen_height/2 - 15, 30,30)
player = pygame.Rect(screen_width - 20, screen_height/2 - 70, 10,140)
opponent = pygame.Rect(10, screen_height/2 - 70, 10,140)
bg_color = pygame.Color("white")
black = pygame.Color("black")
ball_speed_x = 7
ball_speed_y = 7
player_speed = 0
opponent_speed = 7
while True:
for event in pygame.event.get():
if event.type == pygame.QUIT:
pygame.quit()
sys.exit()
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_UP:
player_speed -=7
if event.type == pygame.KEYDOWN:
if event.key == pygame.K_DOWN:
player_speed +=7
if event.type == pygame.KEYUP:
if event.key == pygame.K_UP:
player_speed +=7
if event.type == pygame.KEYUP:
if event.key == pygame.K_DOWN:
player_speed -=7
ball_animation()
# Player
player.y += player_speed
if player.top <= 0:
player.top = 0
if player.bottom >= screen_height:
player.bottom = screen_height
# Opponent
if opponent.top < ball.y:
opponent.top += opponent_speed
if opponent.bottom > ball.y:
opponent.bottom -= opponent_speed
if opponent.top <= 0:
opponent.top = 0
if opponent.bottom >= screen_height:
opponent.bottom = screen_height
screen.fill(bg_color)
pygame.draw.rect(screen, black, player)
pygame.draw.rect(screen, black, opponent)
pygame.draw.ellipse(screen, black, ball)
pygame.draw.aaline(screen, black, (screen_width/2,0), (screen_width/2, screen_height))
pygame.display.flip()
clock.tick(60)