animatio.py

import pygame, sys
from pygame.locals import *

pygame.init()

FPS = 30 # frames per second setting
fpsClock = pygame.time.Clock()

# set up the window
DISPLAYSURF = pygame.display.set_mode((400, 300), 0, 32)
pygame.display.set_caption('Animation')

WHITE = (255, 255, 255)
catImg = pygame.image.load('cat.png')
catx = 10
caty = 10
direction = 'right'

while True: # the main game loop
 DISPLAYSURF.fill(WHITE)

 if direction == 'right':
 catx += 5
 if catx == 280:
 direction = 'down'
 elif direction == 'down':
 caty += 5
 if caty == 220:
 direction = 'left'
 elif direction == 'left':
 catx -= 5
 if catx == 10:
 direction = 'up'
 elif direction == 'up':
 caty -= 5
 if caty == 10:
 direction = 'right'

 DISPLAYSURF.blit(catImg, (catx, caty))

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

 pygame.display.update()
 fpsClock.tick(FPS)