Subject:
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Re: HELP: transformation of primitive causes BFC to stop working
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Newsgroups:
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lugnet.cad.dev
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Date:
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Wed, 18 Dec 2002 16:35:32 GMT
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Viewed:
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440 times
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In lugnet.cad.dev, Lance Hopenwasser writes:
> Yep, that did the trick. Now that you gave me the coordinates, I can see
> that I wanted the original y vector (0,1,0) to go to -z (0, 0, -1), instead
> of staying y like I had it. This rotating and scaling stuff can be kind of
> tricky to visualize, can't it? And it has been a LONG LONG time since I
> have had to do any linear algebra, so I feel very rusty.
>
> Thanks for such a fast response.
> --Lance--
>
> > I think this line is what you want:
> >
> > 1 16 10 10 2 0 0 8 -8 0 0 0 -1 0 2-4ndis.dat
> >
> > Let me know if I'm right.
> >
> > -Orion
Actually, I cheated. I hate doing the math and still don't understand the
matrix tranforms well enough to look at a matrix and know what it's doing,
so I use MLCad to rotate things for me.
-Orion
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Message has 1 Reply:
Message is in Reply To:
 | | Re: HELP: transformation of primitive causes BFC to stop working
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| Yep, that did the trick. Now that you gave me the coordinates, I can see that I wanted the original y vector (0,1,0) to go to -z (0, 0, -1), instead of staying y like I had it. This rotating and scaling stuff can be kind of tricky to visualize, (...) (22 years ago, 18-Dec-02, to lugnet.cad.dev)
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