[gameprogrammer] Re: argh, math!

I think there are some tutorials about plane / line intersections at
www.gametutorials.com

They may help. 

-----Original Message-----
From: gameprogrammer-bounce@xxxxxxxxxxxxx
[mailto:gameprogrammer-bounce@xxxxxxxxxxxxx] On Behalf Of jcool bubu
Sent: Sunday, 30 May 2004 8:44 AM
To: gameprogrammer@xxxxxxxxxxxxx
Subject: [gameprogrammer] Re: argh, math!

i will keep on trying to find out how or if it can be done but but if
someone finds out how befor i send you what info i found then please tell
me. i will ask one of my frinds too. he is real good. 
Alan Wolfe <atrix2@xxxxxxx> wrote:hey everyone
I have a math problem im trying to solve for my game and am having
difficulty :P

i have a "box" defined by 6 planes in the form of: Ax+By+Cz+D=0, where A,B,C
and D are known constants for each equation.

the box doesnt have to have corners at right angles, but it's assumed to be
concave.

what im trying to do is take 2 of these "boxes" and see if they overlap at
all.

so basicly from what i can tell i have 12 plane equations and what i am
trying to do is find if there are any sets of X,Y,Z which satisfy all 12
equations.

I asked around how to solve systems of inequalities but people keep saying
"graph it", which doesnt help me any :P

Does anyone know how to do this? I'm starting to think that there is no
solution ::cry:: hehe





Joey Coyan

have a good day!




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