CODEWITHSUNDEEP
pythonpygame
Cooper Green
Cooper Green

Reputation: 13

pygame.display.update() error: video system not initialized

import pygame
from pygame.locals import*

def main():
   global FPSCLOCK, DISPLAYSURF, BASICFONT, PLAY_SURF, PLAY_RECT, NEW_SURF, NEW_RECT, SOLVE_SURF, SOLVE_RECT 


black = ( 0, 0, 0)
Aqua = ( 0, 255, 255)
Blue = ( 0, 0, 255)
Fuchsia = (255, 0, 255)
Gray = (128, 128, 128)
Green =( 0, 128, 0)
Lime =( 0, 255, 0)
Maroon= (128, 0, 0)
NavyBlue = ( 0, 0, 128)
Olive =(128, 128, 0)
Purple =(128, 0, 128)
Red= (255, 0, 0)
Silver =(192, 192, 192)
Teal =( 0, 128, 128)
White =(255, 255, 255)
Yellow =(255, 255, 0)
ButtonColor= black
textcolor= Red
BASICFONTSIZE = 20

pygame.init()

def makeText(text, color, bgcolor, top, left):
    textSurf = BASICFONT.render(text, True, color, bgcolor)
    textRect = textSurf.get_rect()
    textRect.topleft = (top, left)
    return (textSurf, textRect)
FPSCLOCK = pygame.time.Clock()
BASICFONT = pygame.font.Font('freesansbold.ttf', BASICFONTSIZE)



title_screen= pygame.image.load("Journey to Vallhalla.png")
DISPLAYSURF = pygame.display.set_mode((1300, 690))

PLAY_SURF , PLAY_RECT = makeText("Click to Play", textcolor, ButtonColor, 600,400)

title=DISPLAYSURF.blit(title_screen, (0,0 ))
playb=DISPLAYSURF.blit(PLAY_SURF, PLAY_RECT)
player=pygame.image.load("player.jpg")
playerx=650
playery=520
movex,movey=0,0
while True: # main game loop
    for event in pygame.event.get():
        if event.type == QUIT:
            pygame.quit()
        if event.type == pygame.MOUSEBUTTONDOWN and event.button == 1 and PLAY_SURF.get_rect(topleft=(600, 400)).collidepoint(pygame.mouse.get_pos()):
            player1= DISPLAYSURF.blit(player,(650,520))
            DISPLAYSURF.fill(Gray)
        if event.type == KEYDOWN:
            if event.key==K_LEFT:
                movex = -10
            elif event.key==K_RIGHT:
                movex=+10
            elif event.key==K_DOWN:
                movey=+10
            elif event.key==K_SPACE:
                movey=-30

        if event.type==KEYUP:
            if event.key==K_LEFT:
                movex += 10
            elif event.key==K_RIGHT:
                movex=0
            elif event.key==K_DOWN:
                movey=0
            elif event.key==K_SPACE:
                movey=0


    movex+=playerx
    movey+=playery
    pygame.display.update()

I am getting this error:

Traceback (most recent call last): pygame.display.update() error: video system not initialized I am a pygame noob and do not know how to fix this please help!

I am now just adding a sentence so it will let me submit the post.dsijklasdvjnkjdlsnv ksdjvkjkjsndlknsdva kksajsdjdvkjlkvnsddlkvndk. sddvjvkdsvnlskdkdsjvjkvv skdvkvjnskjv

Upvotes: 0

Views: 1487

Answers (1)

skrx
skrx

Reputation: 20478

I assume you mean this error occurs when you quit the game. pygame.quit() uninitializes all pygame modules, but the while loop still keeps running and when pygame.display.update() is called, the video system is not initialized anymore and the error is caused. To fix that problem do something like this:

running = True

while running:
    for event in pygame.event.get():
        if event.type == QUIT:
            running = False

    # Game code ...

# After the while loop is done, uninitialize pygame and exit the program.
pygame.quit()
sys.exit()  # import sys at the top of the module.

Upvotes: 2

Related Questions