R: Sphere to rectangle
| Newsgroups | gmane.games.devel.algorithms |
|---|---|
| Message-ID | <17881945.275051262958855105.JavaMail.defaultUser@defaultHost> |
----Messaggio originale---- Da: [email protected] Data: 08/01/2010 13.45 > Hi all… > > I’ve been wrestling with a problem for some days now, and I > honestly can’t seem to figure an elegant solution… > > I want to find the rectangle that bounds a omni light source, > so the problem is: given a sphere with center C=(x0,y0,z0) and radius RADIUS, what is the bounding rectangle rect=(rx1,ry1,rx2,ry2) on screen? Ok, I read this ML only for educational purpose, so...well, I'm sure I will suggest the wrong solution :-D Arent'you simply trying to do screen-aligned billboarding? I mean...the bounding rectangle around a sphere of a given radius, on screen...is not always the same rectangle simply billboarded? ------------------------------------------------------------------------------ This SF.Net email is sponsored by the Verizon Developer Community Take advantage of Verizon's best-in-class app development support A streamlined, 14 day to market process makes app distribution fast and easy Join now and get one step closer to millions of Verizon customers http://p.sf.net/sfu/verizon-dev2dev _______________________________________________ GDAlgorithms-list mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/gdalgorithms-list Archives: http://sourceforge.net/mailarchive/forum.php?forum_name=gdalgorithms-list