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Best way to store objects in grid? (Space invaders)

Hi all, I am just playing around with writing a simple space invaders game
and was wondering what was the best way to store the layout of the "aliens".

I am currently using a multi-dimensional array to store all the "invader"

invaders [5,3]

Which stores 15 invader objects (5 across, three down). When I want to
display the "aliens", or figure out which alien has been "shot", I simply
recurse through the array and display all the objects. This works fine but I
was wondering if anyone had any better ideas?

Nov 16 '05 #1
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