From: Warren Brown <WBrown@...>
Date: 2004-09-24T06:34:19+09:00
Subject: Re: Newbie: Case statement

Graham,

    You can save yourself an enormous number of headaches by simply
adding two more rows and columns to your array.  For example, if you
wanted the world to be 80x24, make your array 82x26 and then make your
loops from 1..80 and 1..24.  That way you can safely reference
cell[x-1][y-1] and cell[x+1][y+1] and you don't need all of your special
cases.

    - Warren Brown