Subject:
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Re: Why Type 5 Lines?
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Newsgroups:
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lugnet.cad.dev
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Date:
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Fri, 19 Apr 2002 18:09:27 GMT
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Viewed:
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2464 times
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In lugnet.cad.dev, Travis Cobbs wrote:
> I understand what you are saying, but it won't happen that way if Z buffer
> writing is enabled during the drawing of the transparent surfaces. The
> transparent surfaces aren't really transparent. They're just blended with
> whatever is behind them. (This is why you get interesting effects if you
> don't sort them.) They look like they are transparent, but if they really
> were transparent, then you wouldn't have to sort; you could just draw them
> in any order and they would look correct. The reason they have to be sorted
> is that the blending only occurs with whatever is drawn before them.
Cool. Thanks for taking the time to explain it to me. I didn't realize
this about opengl.
Steve "please speak slowly and clearly" Bliss
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Message is in Reply To:
 | | Re: Why Type 5 Lines?
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| (...) I understand what you are saying, but it won't happen that way if Z buffer writing is enabled during the drawing of the transparent surfaces. The transparent surfaces aren't really transparent. They're just blended with whatever is behind (...) (24 years ago, 19-Apr-02, to lugnet.cad.dev)
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