Bouncing ball, python

# Bouncing ball

(Algorithm: https://drranurekha.blogspot.com/2019/11/bouncing-ball-pygame.html)

# Program
# Bouncing ball

import sys, pygame
pygame.init()

size = width, height = 700, 250
speed = [1, 1]
background = 255, 255, 255
screen = pygame.display.set_mode(size)

pygame.display.set_caption("Bouncing ball")

ball = pygame.image.load("ball.jpg")
ballrect = ball.get_rect()

while 1:
pygame.time.delay(2)

for event in pygame.event.get():
if event.type == pygame.QUIT: sys.exit()

ballrect = ballrect.move(speed)
if ballrect.left < 0 or ballrect.right > width:
speed[0] = -speed[0]
if ballrect.top < 0 or ballrect.bottom > height:
speed[1] = -speed[1]

screen.fill(background)
screen.blit(ball, ballrect)
pygame.display.flip()

   


ball.jpg
   

Output: