On Tue, Feb 28, 2012 at 5:22 PM, Zack Baker <zbaker1...@gmail.com> wrote:
> Thank you all!!!! you are helping me so much. I thought i was pretty
> proficient in pygame so im very sorry for my 'stupid' questions but i
> cannot for the life of me figure this one out. I made all the neceesary
> changes and ive blitted correctly i think but i keep getting... KeyError: 4
>
>
> import pygame
>
> pygame.init()
> import sys,random,os
> from pygame.locals import*
> from Classes import Arrow
>
> clock=pygame.time.Clock()
> clock.tick(30)
>
> def main_menu():
> menuclock=pygame.time.Clock()
> clock.tick(30)
>
>
> menuscreen=pygame.display.set_mode((640, 480))#FULLSCREEN
> pygame.display.set_caption('Dog Fight')
> #pygame.mouse.set_visible(False)
>
> WHITE=(255,255,255)
> BLACK=(0,0,0)
> GREEN=(0,255,0)
> BLUE=(0,0,255)
> background=pygame.image.load('data/background.png')
> lasersound=pygame.mixer.Sound('data/lasershot.wav')
> arrow=pygame.image.load('data/arrow.png')
> menuscreen.blit(background,(0,0))
> arrowpos = { 0 : (100,20) , 1:(100,40) , 2:(100,60) , 3 :(100,60) }
> def dostuff():
> print('Hi')
>
>
>
> menu='go'
> counter = 0
> menuscreen.blit(arrow,arrowpos[counter])
>
> while menu == "go":
> for event in pygame.event.get():
> if event.type == QUIT:
> pygame.quit()
> sys.exit()
> if event.type == KEYDOWN:
> if event.key == K_ESCAPE:
> menu = "off"
>
> if event.key == K_UP:
> if counter > 0:
> counter -= 1
> menuscreen.blit(arrow,arrowpos[counter])
>
>
> if event.key == K_DOWN:
> if counter < 4:
> counter += 1
> menuscreen.blit(arrow,arrowpos[counter])
>
>
> if event.key == K_RETURN:
> return counter
>
> pygame.display.update()
>
>
>
> main_menu()
>
>
>
>
>
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>
>
>
> THANK YOU!!!!!
>
The issue arises when you tell it to "arrowpos[counter]". The "KeyError:
4" should tell you something--namely that there's a key, and you gave it 4,
and it doesn't like that. If you look at arrowpos, you'll immediately see
why it doesn't like that. Now, how can you fix it? Is the data structure
wrong, or is the value you're passing it (4) wrong?
Ian
