Subject:
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Re: What is BFC meta command ?
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Newsgroups:
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lugnet.cad.dev
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Date:
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Sat, 1 Apr 2000 17:32:47 GMT
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Viewed:
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2248 times
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On Wed, 29 Mar 2000 21:52:37 GMT, Leonardo Zide
<leonardo@centroin.com.br> wrote:
> Damien Duquennoy wrote:
> >
> > With the new version of MLCad, i hear about BFC, but, i'm sorry, i don't know what it is...
> >
> > Could someone give me explanations ?
>
> BFC means back face culling, it basically means that the rendering
> program doesn't need to draw the faces that are not facing the viewer
> (calculated by taking the dot product between a face normal and the
> camera direction). It's there to make the rendering faster, you don't
> need to worry about that if you're not creating a new part or writing a
> CAD program. :)
What if I am creating a new part?
Regards
John
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Message has 2 Replies:
 | | Re: What is BFC meta command ?
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| John Jensen <skurt@vip.cybercity.dk> wrote in message news:ep26eso7d3ct4ll...4ax.com... (...) know what it is... (...) Then you can make your part BFC compatible by making sure that the points of a triangle or quad follow a clockwise path when the (...) (25 years ago, 3-Apr-00, to lugnet.cad.dev)
| | | Re: What is BFC meta command ? [DAT]
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| (...) The best thing to do for now is to make sure that you are writing clean code. The big difference with BFC-able files is there's a sense of 'front' and 'back' for polygons. So you need to make sure that your part files are written to (...) (25 years ago, 3-Apr-00, to lugnet.cad.dev)
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Message is in Reply To:
| | Re: What is BFC meta command ?
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| (...) BFC means back face culling, it basically means that the rendering program doesn't need to draw the faces that are not facing the viewer (calculated by taking the dot product between a face normal and the camera direction). It's there to make (...) (25 years ago, 29-Mar-00, to lugnet.cad.dev)
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