From: William Rutiser <wruyahoo05@...>
Date: 2010-03-14T23:02:33+09:00
Subject: Re: Newbie Help : Object

Jerome David Sallinger wrote:
> Hassan Schroeder wrote:
> I'd suggest looking at the Observer pattern.
>   
>> Have each Ball continuously register its location (x,y) with a single
>> Observer object; an attempt to register to an occupied location can
>> be handled however you want -- throw an exception, send the Ball
>> a message to reverse direction, vaporize the Ball, etc.
>>
>> No loops or iterators in sight  :-)
>>
>> FWIW,
>>     
>
> Awesome! Thanx
>   
You may find it useful to look at the Wikipedia entries for "collision 
detection" and "game physics".

-- Bill