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Baker

Joined: 14 Mar 2006 Posts: 1538
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Posted: Tue Dec 23, 2008 4:06 am Post subject: Calculating the Extreme X, Y, Z of a .bsp? |
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Does anyone know how to within the engine calculate the extreme X, Y, Z coordinates (min, max X ... min, max Y, etc.)?
I've been looking through the .bsp stuff and would like to know for "minimap" purposes, but alas I don't understand enough to be able to identify how to capture these values. |
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metlslime
Joined: 05 Feb 2008 Posts: 177
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Posted: Tue Dec 23, 2008 9:09 am Post subject: |
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I guess, while loading vertices, compare and modify as needed a mins[] and maxs[] for the map |
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Electro
Joined: 29 Dec 2004 Posts: 241 Location: Brisbane, Australia
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Posted: Tue Dec 23, 2008 10:06 am Post subject: |
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Yeah like what metlslime said.
setup a mins to be 99999999 (or some ridiculous number to make sure everything is caught)
maxs to be -99999999
if (vert[0] < mins[0]) mins[0] = vert[0];
same for y and z etc... you get the idea
It's like starting off with an inverted box, then pushing it out every time you have a vertex that requires it to grow.
The result should be a bbox for 'worldspawn'  _________________ Unit reporting!
http://www.bendarling.net/ |
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