Re: [AL] 2D polygon collision detection

[Johan H. <joh...@te...>]

from Johan Henriksson, Sweden    HTTP://come.to/jhewok  |
Primary mail: joh...@te...                  #UIN 12035895
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Leadprogrammer and FX-specialist at Real software
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-----Original Message-----
From: James Arthur <ar...@ww...>
To: al...@ma... <al...@ma...>
Date: Wednesday, March 31, 1999 12:36 AM
Subject: Re: [AL] 2D polygon collision detection


>>>I have some problems for creat a function than detect a collision
>>>between 2 polygons. Thank's for help.
>>
>>Why do you need to do this? If it is for realtime use in a game,
>>generally the best solution is "don't bother" :-) Almost all 3d games
>>check simplified bounding shapes against the polygonal environment.
>
>But then you do get some games where this is a problem. For instance, in
>Rogue Squadron and the Wing Commander series, you can hit an object and it
>is qite plain that you havn't actually hit it (sorry, but this has been
>really getting on my nerves recently). Games which do it properly tend to
do
>the 3D sphere method, (then possibly the simplified polyhedra method if a
>collision is detected) then the true polygon intersection method.

A way might be to make objects consist of several spheres. Maybe a big one
for the body and 4 other small ones for the wings.

>
>James Arthur <==> ar...@ja...
>http://www.jado.org/users/arfa/
>
>
>