1<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> 2<HTML> 3<HEAD> 4<META http-equiv="Content-Type" content="text/html; charset=windows-1252"> 5<META name="GENERATOR" content="Microsoft FrontPage 5.0"> 6<META http-equiv="Content-Style-Type" content="text/css"> 7<LINK rel="stylesheet" type="text/css" href="../../CSS/revolution.css"> 8<TITLE>Quaternion, QuaternionPtr</TITLE> 9</HEAD> 10<BODY> 11<H1 align="left">Quaternion, QuaternionPtr</H1> 12<H2 align="left">C Specification</H2> 13<BLOCKQUOTE><CODE><code>#include <revolution/mtx/GeoTypes.h></CODE></CODE></BLOCKQUOTE> 14<BLOCKQUOTE><CODE><CODE>typedef struct<BR> {<BR> <BR> f32 x, y, z, w;<BR> <BR> } Quaternion, *QuaternionPtr;</CODE></CODE></BLOCKQUOTE> 15<H2 align="left">Arguments</H2> 16<P align="left">None.</P> 17<H2 align="left">Return Values</H2> 18<P align="left">None.</P> 19<H2 align="left">Description</H2> 20<P><code><strong>Quaternion</strong></code> is a quaternion type consisting of an (x, y, z) vector component and a (w) scalar component. <code><strong>Quaternion</strong></code> is used by <code>MTX</code> library function such as <A href="../model/MTXQuat.html"><code>MTXQuat</code></a>, which generates a rotation matrix from a quaternion.</P> 21<P><code><strong>QuaternionPtr</strong></code> is a pointer to a <code><strong>Quaternion</strong></code>.</P> 22 23 24<H2 align="left">See Also</H2> 25<P align="left"><A href="Mtx_MtxPtr.html">Mtx, MtxPtr, </A><A href="../model/MTXQuat.html">MTXQuat</A></P> 26<H2>Revision History</H2> 27<P>03/01/2006 Initial version.</P> 28</BODY> 29</HTML>