Python / Pygame Tutorial 7 - Sprite Class (Part 2/2)

The second part of my Python sprite class tutorial. We look at how to add some basic animation.

Download this project:
https://www.dropbox.com/s/uqh36xspbhwmx6u/pygamesprites.zip

Code:
import pygame

pygame.init()

window = pygame.display.set_mode((800,600))

pygame.display.set_caption("Window")

black = (0,0,0)
white=(255,255,255)

moveX,moveY=0,0

clock = pygame.time.Clock()

class Sprite:

def __init__(self,x,y):

self.x=x

self.y=y

self.width=50

self.height=50

self.i0 = pygame.image.load("m1.png")

self.i1 = pygame.image.load("m2.png")

self.timeTarget=10

self.timeNum=0

self.currentImage=0

def update(self):

self.timeNum+=1

if (self.timeNum==self.timeTarget):

if (self.currentImage==0):

self.currentImage=1

else:

self.currentImage=0

self.timeNum=0

self.render()

def render(self):

if (self.currentImage==0):

window.blit(self.i0, (self.x,self.y))

else:

window.blit(self.i1, (self.x,self.y))


player=Sprite(100,150)
gameLoop=True
while gameLoop:

for event in pygame.event.get():

if (event.type==pygame.QUIT):

gameLoop=False

if (event.type==pygame.KEYDOWN):

if (event.key==pygame.K_LEFT):

moveX = -3

if (event.key==pygame.K_RIGHT):

moveX = 3

if (event.key==pygame.K_UP):

moveY = -3

if (event.key==pygame.K_DOWN):

moveY = 3

if (event.type==pygame.KEYUP):

if (event.key==pygame.K_LEFT):

moveX=0

if (event.key==pygame.K_RIGHT):

moveX=0

if (event.key==pygame.K_UP):

moveY=0

if (event.key==pygame.K_DOWN):

moveY=0

window.fill(white)

player.x+=moveX

player.y+=moveY

player.update()

clock.tick(50)

pygame.display.flip()

pygame.quit()