Re: OT: -1 (was Has anyone made a real conlang?)
| From: | Herman Miller <hmiller@...> |
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| Date: | Wednesday, April 23, 2003, 3:14 |
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On Tue, 22 Apr 2003 09:22:54 -0500, David Starner <dvdeug@...>
wrote:
>If you don't like complex numbers, then you really don't like
>quaternions, do you? (Quaterions, if you haven't run into them, are like
>complex numbers, with j and k such that j^2=-1, k^2=-1, ij=-ji, jk=-kj,
>and ijk=-1. Turns out they're sort of like a souped up form of vectors
>no one uses because it's overkill.)
Video game programmers use them! Normalized quaternions turn out to be
convenient for representing orientation of objects in 3-dimensional space,
and for interpolating between different orientations.