Pygame Tutorial 3: Moving an Image

Showing how to move image in Pygame

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import pygame #import
from pygame.locals import *

pygame.init() #initializes pygame

size=width,height=640,600
window=pygame.display.set_mode(size) #pygame.display.set_mode creates window

MOVEX = 0
MOVEY = 150
playerX=0
playerY=0
picture1=pygame.image.load("oreo.jpg") #function used to load image

while True: #when while loop is true
for event in pygame.event.get(): #event in pygame

if event.type==KEYDOWN: #event type equals KEYDOWN
if event.key == K_UP: #if user presses up button on keyboard
MOVEY=-10 #moveY equals -10 meaning it moves 10 pixels
#closer to the top

elif event.key == K_DOWN: #if key down is pressed +10 pixels
#towards the bottom
MOVEY =+10

elif event.key == K_RIGHT:
MOVEX=+10

elif event.key == K_LEFT:
MOVEX=-10

if event.type==KEYUP: #if player releases key values become 0
if event.key == K_UP:
MOVEY=0

elif event.key == K_DOWN:
MOVEX =0

elif event.key == K_RIGHT:
MOVEY=0

elif event.key == K_LEFT:
MOVEX=0


playerX += MOVEX #this has to be here to allow picture to move
playerY += MOVEY #it adds MOVEY variable with playerY so it is always only adding 10 pixels and starts at 0X and 0Y

window.fill((55,55,55)) #fill window with colour
window.blit(picture1, (playerX, playerY)) #blit picture and player variables

pygame.display.update() #updates screen

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