From: "Douglas A. Gwyn" <gwyn@arl.army.mil>
To: 9fans@cse.psu.edu
Subject: Re: [9fans] Re: moving things in a window
Date: Thu, 28 Sep 2000 10:18:48 +0000 [thread overview]
Message-ID: <39D23579.265E60B8@arl.army.mil> (raw)
In-Reply-To: <Pine.LNX.4.10.10009261109230.13135-100000@neon.myriadgate.net>
andrey mirtchovski wrote:
> ... So the mask says ``only draw where the old circle was
> but the new circle is not''.
> The final draw puts white down in those places.
Of course, that clobbers other objects in the same (old) location.
I know of no way to do this right without taking into account all
potentially visible objects. If the hardware can help (Z-buffer,
or render a model) that's great.
next prev parent reply other threads:[~2000-09-28 10:18 UTC|newest]
Thread overview: 14+ messages / expand[flat|nested] mbox.gz Atom feed top
2000-09-26 17:00 Theo Honohan
2000-09-26 17:15 ` andrey mirtchovski
2000-09-26 18:00 ` Theo Honohan
2000-09-28 10:18 ` Douglas A. Gwyn [this message]
2000-09-28 11:28 ` Theo Honohan
2000-09-29 8:31 ` Douglas A. Gwyn
2000-09-27 0:08 okamoto
2000-09-27 0:19 ` Theo Honohan
2000-09-27 0:17 okamoto
2000-09-27 0:30 okamoto
2000-09-27 0:35 rob pike
2000-09-27 6:27 okamoto
2000-09-29 12:35 Russ Cox
2000-10-02 9:00 ` Douglas A. Gwyn
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