Re: Game libraries...

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#501

From: Phat H Tran
Date: Sat, 08 Aug 1992 04:47

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In article <phillips.713202287@s12> phillips@uwa.oz.au (Christopher Phillips) writes:
>ptran@watserv1.uwaterloo.ca (Phat H Tran) writes:
>
>>Josh's program redraws the bitmap a raster at a time, using Bresenham's
>>line algorithm to "tilt" each raster so that they all point to a 
>>vanishing point.  Rotation can also be accomplished in a similar manner
>>by drawing each raster with a tilt, but keeping them all parallel.
>
>If that is what it does, then it could be considerably faster, as tilting
>rasters plots as many as twice as many pixels as the area they cover.
>

My description was Josh's algorithm "in a nutshell".  I'm sure there are
tricks which can be used to skip over unnecessary pixels in the bitmap
when it comes time to actually code the idea.

Phat.

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References: <1992Aug5.195205.5840@esds.mdc.com> <BsJrI8.A8v@watserv1.uwaterloo.ca> <phillips.713202287@s12>

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Newsgroups: rec.games.programmer
Path: arc1-ca.pugleaf.net!sparky!uunet!sun-barr!cs.utexas.edu!torn!watserv2.uwaterloo.ca!watserv1!ptran
From: ptran@watserv1.uwaterloo.ca (Phat H Tran)
Subject: Re: Game libraries...
Message-ID: <BsnEnA.9nK@watserv1.uwaterloo.ca>
Organization: University of Waterloo
References: <1992Aug5.195205.5840@esds.mdc.com> <BsJrI8.A8v@watserv1.uwaterloo.ca> <phillips.713202287@s12>
Date: Sat, 8 Aug 1992 04:47:33 GMT
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