On 4 Jan 2013, at 19:20, Francesco Loffredo wrote:
> Ciaran Mooney wrote:
>> Thanks for the feedback.
>>
>> Steve, If I set the FPS to a default of say 30, the game seems to run at
>> this default FPS=30 regardless of the key pressed in the function.
>>
>> Dave, If I remove the the default value at the start of the function and add
>> it to elif in the loop I get the following error:
>>
>>
>> Traceback (most recent call last):
>> File "/Users/callanmooneys/Desktop/Pythoin Programmes/Aliens Game/dodger
>> ver 3 instructons.py", line 139, in
>> FPS = difficultyLevel()
>> File "/Users/callanmooneys/Desktop/Pythoin Programmes/Aliens Game/dodger
>> ver 3 instructons.py", line 50, in difficultyLevel
>> return FPS
>> UnboundLocalError: local variable 'FPS' referenced before assignment
>>
>>
>> I wondered if i could set FPS to nether a string or integer and just declare
>> it by setting FPS=None but I get the following error:
>>
>> Traceback (most recent call last):
>> File "/Users/callanmooneys/Desktop/Pythoin Programmes/Aliens Game/dodger
>> ver 3 instructons.py", line 301, in
>> mainClock.tick(FPS)
>> TypeError: a float is required
>>
>> Cheers
>> Ciaran
> As far as I understood your problem, it seems that you need the difficulty
> level to be changed at the player's will during the game. In this case, the
> function gets called many times, maybe at every game loop. If this is true,
> you need a global FPS value to be changed by the player's choice, not one
> that you create inside the function.
>
> Try this:
>
> # put the line below out of the function definition and out of the game loop,
> usually together with other default program settings
> FPS = 30 # you want the game to be beginner-friendly, don't you?
>
> def difficultyLevel():
>global FPS
> windowSurface = pygame.display.set_mode((WINDOWWIDTH,
> WINDOWHEIGHT),pygame.FULLSCREEN)
> windowSurface.fill(BACKGROUNDCOLOUR)
> drawText('LEVEL OF PLAY', font3, windowSurface, (WINDOWWIDTH/6),
> (WINDOWHEIGHT/6))
> drawText('B: Your an absoulute Begineer', font3, windowSurface,
> (WINDOWWIDTH/6)-100, (WINDOWHEIGHT/6)+100)
> drawText('M: Not Too Snazy', font3, windowSurface, (WINDOWWIDTH/6)-100,
> (WINDOWHEIGHT/6)+150)
> drawText('H: Deathwish' ,font3,windowSurface, (WINDOWWIDTH/6)-100,
> (WINDOWHEIGHT/6)+200)
> pygame.display.update()
>
> for event in pygame.event.get():
> if event.type == QUIT:
> terminate()
>
> if event.type == KEYDOWN:
> if event.key == ord('b'):
> FPS = 30
> elif event.key == ord('m'):
> FPS = 70
> elif event.key == ord('h'):
> FPS = 120
>
> return FPS
>
> ... then let us know.
> Hope that helps
>
> Francesco
Thanks Francesco,
Ill give it a go and come back to u.
Ciaran
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