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OMG please help

Paul Hankin paul.hankin at gmail.com
Wed Dec 26 07:02:01 EST 2007 
On Dec 26, 1:09 am, Steven D'Aprano <st... at REMOVE-THIS-
cybersource.com.au> wrote:
> On Mon, 24 Dec 2007 17:14:58 +0100, Martin P. Hellwig wrote:
> > As Dennis already pointed out I like to use dictionaries in these cases,
> > so I would use sand = dict() instead of sands = list() and would do
> > sand[i] = pygame.image.load(name)
>
> > Then you can retrieve the content by doing sand[your_number].
>
> If the keys are just the integers 0...n inclusive, then why bother with
> the extra overhead of a dict when you get all the functionality you need
> from a list?

The keys aren't integers 0...n here, they're 1, 2, 3, 4, L, R, T, D,
TL, TR, BL, BR in the code, so a dict is preferable to a list.

Incidentally Katie: is 'D' a typo? It should be 'B' for consistency.

Also, functions can be passed arguments, and doing so is preferable to
passing information via global variables.

So
def LoadMaterial(loader):
   ...
sand = LoadMaterial('Sand')

Is a lot better than

def LoadMaterial():
   ... code using 'loader'
loader = 'Sand'
sand = LoadMaterial()
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