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Newcomers DBPro Corner / mid point in 3d space

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Slayer
21
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Joined: 15th Nov 2003
Location: CA
Posted: 2nd Jan 2004 05:48
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how do I get the mid point frome two points in 3d space.
pos1_0------[I need this point]--------0_pos2

Thanks

I dont know how to spell
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GameKit
21
Years of Service
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Joined: 6th Mar 2003
Location: USA, Staring Blankly at a Computer
Posted: 2nd Jan 2004 06:38
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Easy... just take the x y and z position of one point and add it to the x y and z position of another point, then devide the result by 2...

MidX=(X1+X2)/2
MidY=(Y1+Y2)/2
MidZ=(Z1+Z2)/2

So the midpoint would be MidX,MidY,MidZ... If you needed to find a point 1/3 of the way between them, devide it by 3... 3/4 of the way, you would devide it by 3/4...
If you need to find the distance between the two points, then its...

sqrt((X1-X2)^2+(Y1-Y2)^2+(Z1-Z2)^2)

well... I hope that helps...

Do not thwart the way of the dragon. For thou tasteth like chicken.
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Slayer
21
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Joined: 15th Nov 2003
Location: CA
Posted: 2nd Jan 2004 08:17 Edited at: 2nd Jan 2004 08:18
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Yes, that did help... thanks!

I dont know how to spell
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BearCDPOLD
21
Years of Service
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Joined: 16th Oct 2003
Location: AZ,USA
Posted: 6th Jan 2004 07:09
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Man........just got back from winter break....remembering math class... aah!
You are kind, Game_Creator, I've been looking through all my notebooks for that formula for a while.

Juvenile Industries
Current Project: The First Room (FPS)
Soon to come:An rts, and a snowball fight game
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GameKit
21
Years of Service
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Joined: 6th Mar 2003
Location: USA, Staring Blankly at a Computer
Posted: 6th Jan 2004 16:54
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Well slayer, glad it helped... and thanks Juvenile Industries, I thought I wasn't appreciated...

Do not thwart the way of the dragon. For thou tasteth like chicken.
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