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  #1  
Old 09-11-2012, 03:34 PM
KLS
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Join Date: Sep 2006
Posts: 1,348
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If you know the order of the vertices you can just calculate your own normals (hint: you do!) which is what we do in azone for .map files.
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  #2  
Old 09-12-2012, 04:17 AM
PiB
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Join Date: Aug 2012
Posts: 15
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I know how to calculate face normals, but I think the order of the vertices in the file is wrong. Half of the faces use clockwise order (first picture) while the other half use anti-clockwise order (second picture).

The reason I mentioned the normals is that, if all the normals were pointing in the right direction I could detect which faces have the wrong order and change it. Unfortunately it seems faces specified clockwise have wrong normals and vice versa.



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  #3  
Old 09-12-2012, 10:58 AM
PiB
Fire Beetle
 
Join Date: Aug 2012
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My bad, I was looking at the faces from the wrong direction. Looks like they are all specified in clockwise order. Asking OpenGL to cull front faces did the trick. D'oh!
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