pingpong.py

import pygame
import random

pygame.init()

# setup the display
dim = (800, 600)
screen = pygame.display.set_mode(dim)
pygame.display.set_caption("Ping Pong")

# Create a function that returns a random color
def random_color():
    red = random.randint(0, 255)
    green = random.randint(0, 255)
    blue = random.randint(0, 255)
    return (red, green, blue)

# set up the circle
radius = 40
circle_color = random_color()
circle_x = dim[0] // 2
circle_y = dim[1] // 2
circle_x_speed = 0.5
circle_y_speed = 0.5

# draw the circle on the screen
def draw_circle():
    pygame.draw.circle(screen, circle_color, (circle_x, circle_y), radius)

# update the screen
r_c = random_color()

def update_screen():
    screen.fill(r_c)
    draw_circle()
    pygame.display.update()

update_screen()

# main game loop
while True:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()

    # move the circle
    circle_x += circle_x_speed
    circle_y += circle_y_speed

    if circle_x > dim[0] - radius:
        circle_x_speed = circle_x_speed * -1
        circle_color = random_color()
    
    if circle_x < 0:
        circle_x_speed = circle_x_speed * -1
        circle_color = random_color()

    if circle_y > dim[1] - radius:
        circle_y_speed = circle_y_speed * -1
        circle_color = random_color()

    if circle_y < 0:
        circle_y_speed = circle_y_speed * -1
        circle_color = random_color()

    update_screen()