I just thought I had to forward this on for all those OO programmers out
> Subject: Killer Kangaroos
>> Careless code recycling cause killer kangaroos Take Up Arms Against
> Australian Air Force
>> The reuse of some object-oriented code had caused tactical headaches for
> Australia's armed forces. As virtual reality simulators assume larger
> in helicopter combat training, programmers have gone to great lengths to
> increase the realism of their scenarios, including detailed landscapes
> and -- in the case of the Northern Territory's Operation Phoenix --
> kangaroos (since disturbed animals might well give away a helicopter's
>> The head of the Defense Science & Technology Organization's Land
> Operations/Simulation division reportedly instructed developers to model
> local kangaroos' movements and reactions to helicopters. Being
> programmers, they just reused some code originally used to model
> detachment reactions under the same stimuli, changed the mapped icon
> soldier to a kangaroo, and increased the figures' speed of movement.
>> Eager to demonstrate their flying skills for some visiting American
> the hotshot Aussies "buzzed" the virtual kangaroos in low flight during
> simulation. The kangaroos scattered, as predicted, and the visiting
> Americans nodded appreciatively... then did a double-take as the
> reappeared from behind a hill and launched a barrage of Stinger missiles
> the helpless helicopter. (Apparently the programmers had forgotten to
> remove THAT part of the infantry coding.) The lesson? Objects are
> with certain attributes, and any new object defined in terms of an old
> inherits all the attributes. The embarrassed programmers had learned to
> careful when reusing object-oriented code, and the Yanks left with a
> newfound respect for Australian wildlife.
>> Simulator supervisors report that pilots from that point onward have
> strictly avoided kangaroos, just as they were meant to.
>> --From June 15, 1999 _Defense Science and Technology Organization
> series_, Melbourne, Australia, and staff reports.
kcolfer at iol.iekieran.colfer at ireland.sun.comhttp://ireland.iol.ie/~kcolfer
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