Python keeps crashing with pygame function

Question

I can't get python to work when I am using my Raycast function to display images, how do I fix this?

I tried moving some variables and played around with the function, but I can't seem to get it to work.

import pygame
pygame.init()

Screen = "Title"
DB = 0
Width = 800
Height = 600

Frame = pygame.display.set_mode((Width,Height))
pygame.display.set_caption("GAME")
FPS = pygame.time.Clock()

def Raycast(RayXPos, RayYPos):
    RaycastThis = pygame.image.load(TTR)
    Frame.blit(RaycastThis, (RayXPos, RayYPos))
    Loop = True
    while Loop == True:
        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                exit()
    pygame.display.update()

    FPS.tick(60)

    while Screen == "Title" and DB == 0:
        TTR = 'TitleScreenSmall.png'
        Raycast(0, 0)

I expected the frame to display the image (the same size as the window) and it instead crashed, and I can't run the program

Do you receive any error message? Have you tried another pygame function where it worked? — Alex_P
– Alex_P, Commented Jan 24, 2019 at 20:23
Your given code has an infinite loop for me (after repairing the lack of a png file); no crash. — Prune
– Prune, Commented Jan 24, 2019 at 20:25
@Alex_P No, no error, and yes I have tried a few, but none work. — KattyTheEnby
– KattyTheEnby, Commented Jan 24, 2019 at 20:58
@CyleLinin What did you not understand? I can't tell you "what does that mean" when I don't have a referent for "that". — Prune
– Prune, Commented Jan 24, 2019 at 21:06

Prune · Accepted Answer · 2019-01-24 22:24:54Z

1

Your problem is the infinite loop:

while Screen == "Title" and DB == 0:
    TTR = 'TitleScreenSmall.png'
    Raycast(0, 0)

Since the loop control variables Screen and DB never change, you have no way to exit the loop. You're stuck here, eternally repeating a function that does very little, and includes no changes to observe.

See this lovely debug blog for help.

answered Jan 24, 2019 at 22:24

Prune

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2 Comments

KattyTheEnby Over a year ago

Thank you, It works now, I guess I am stupid! :) "that was not a dis because I think you are smarter (which you are) I am just really dumb"

Prune Over a year ago

Been there, done that, have infinite t-shirts ... :-)

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