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>MTXRotAxisRad</TITLE> 9</HEAD> 10<BODY> 11<H1>MTXRotAxisRad</H1> 12 13<H2>Syntax</H2> 14<dl><dd><pre class="construction"> 15#include <revolution/mtx.h> 16 17void C_MTXRotAxisRad ( Mtx m, VecPtr axis, f32 rad ); 18void PSMTXRotAxisRad ( Mtx m, VecPtr axis, f32 rad ); 19 20#define MTXRotAxisRad C_MTXRotAxisRad // for debug build 21#define MTXRotAxisRad PSMTXRotAxisRad // for nondebug build 22</pre></dd></dl> 23 24<H2>Arguments</H2> 25<TABLE class="arguments" border="1" > 26 <TBODY> 27 <TR> 28<TH><em><strong><code>m</code></strong></em> </TH> 29<TD>New rotation matrix. <code><em><strong>m</strong></em></code> may be an <A href="../structures/Mtx_MtxPtr.html"><code>Mtx</code></a> or an <A href="../structures/Mtx_MtxPtr.html"><code>MtxPtr</code></a>.</TD> 30 </TR> 31 <TR> 32<TH>axis</TH> 33<TD>Pointer to a <A href="../structures/Vec_VecPtr.html"><CODE>Vec</CODE></A> containing the components of the rotation axis. <SPAN class="argument">axis</SPAN> may also be a <A href="../structures/Point3d_Point3dPtr.html"><CODE>Point3dPtr</CODE></A>. The <CODE>(x,y,z)</CODE> members of <SPAN class="argument">axis</SPAN> correspond to the <CODE>(x,y,z)</CODE> components of the rotation axis. For example, <CODE>(1,0,0)</CODE> indicates a rotation about the X axis. <SPAN class="argument">axis</SPAN> does not have to be a unit vector.</TD> 34 </TR> 35 <TR> 36<TH>rad</TH> 37<TD>Rotation angle in radians. Counter-clockwise rotations are positive.</TD> 38 </TR> 39 </TBODY> 40</TABLE> 41 42<H2>Return Values</H2> 43<P>None.</P> 44 45<H2>Description</H2> 46<P>Sets the matrix to be rotated around the axis having the <CODE>(x,y,z)</CODE> component specified by <SPAN class="argument">axis</SPAN>. Counter-clockwise rotations are positive.</P> 47<P>During a debug build, <code>MTXRotAxisRad</code> is interpreted as <code>C_MTXRotAxisRad</code>, which is a normal C language version. During a non-debug build for a Broadway processor, the paired-singles equivalent of this function, <code>PSMTXRotAxisRad</code>, will be automatically substituted. You can also call <CODE>C_MTXRotAxisRad</CODE> and <CODE>PSMTXRotAxisRad</CODE> explicitly.</P> 48 49<H2>See Also</H2> 50<P class="reference"> 51<A href="../structures/Mtx_MtxPtr.html">Mtx, MtxPtr</A>, 52<A href="../structures/Vec_VecPtr.html">Vec, VecPtr</A>, 53<A href="MTXQuat.html">MTXQuat</A>, 54<A href="MTXRotRad.html">MTXRotRad</A>, 55<A href="MTXRotTrig.html">MTXRotTrig</A> 56</P> 57 58<H2>Revision History</H2> 59<P> 602006/03/01 Initial version.<br> 61</P> 62 63<hr><p>CONFIDENTIAL</p></body> 64</HTML>