Re: [Algorithms] Triangle/Triangle intersection

[Diogo de A. <dio...@ne...>]

As I said in my initial post, curiously enough I don't have problems with
the adjacent triangles (specially because I contract the triangles by 5% or
so before trying the collision detection, to avoid cases where the edges are
shared to yield a collision)... I have problems with triangles that have
some edges parallel...

Diogo de Andrade

-----Original Message-----
From: gda...@li...
[mailto:gda...@li...] On Behalf Of Ben
Garney
Sent: quarta-feira, 17 de Outubro de 2007 19:44
To: Game Development Algorithms
Subject: Re: [Algorithms] Triangle/Triangle intersection

On 10/17/07, Diogo de Andrade <dio...@ne...> wrote:
> floats to doubles had no effect. Then I bore deeper into the tri/tri
> routines and what I found out disturbed me. I created another project (to

I'm guessing this case comes up for adjacent triangles... Have you
considered doing a topological check (ie, adjacent triangles with
similar normals don't get checked for collision)?

-- 
Ben Garney
GarageGames.com

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