difficulties with design

From: Andy White (brighamandrew_at_msn.com)
Date: 09/29/04 

Date: Tue, 28 Sep 2004 23:26:52 -0600

I am studying out of a text that is teaching us to write software using top
down design (as I said in another post), object oriented design and
encapsulation to create a modular solution. How do you avoid side effects
when you are writing something sophisticated in which the data for one
module depends on the data returned from another? I am writing a game in
which data, that pertains to the main character, is used and modified in
several different modules as needed for creating or reacting certian
situations. This seems to be in violation to what I am being taught out of
my text. I have successfully coded my main character with all the desired
behaviors and user control works just how I wanted, but the code feels so
delicate and sloppy and I know that any changes to it would create a whole
slew of bugs or errors.. Any comments would be appreciated.

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