<html> <head> <link rel="stylesheet" href="page.css" type="text/css"> <title>fox-toolkit.org - Documentation</title> </head> <body bgcolor=#ffffff link=#990033 vlink=#990033 alink=#990033 text=#000000> <font face='verdana,sans-serif' size=2 > <!---- TOPIC TITLE WITH LOGO---> <table border=0 cellpadding= cellspacing=2 width=100% ><tr><td><a href='http://www.fox-toolkit.org/doc.html'><img src='../art/foxlogo_small.jpg' border=0></a></td><td width=100% valign=bottom><font face='verdana,sans-serif' size=2 ><b> <a class="qindex" href="index.html">Main Page</a> <a class="qindex" href="hierarchy.html">Class Hierarchy</a> <a class="qindex" href="classes.html">Alphabetical List</a> <a class="qindex" href="annotated.html">Compound List</a> <a class="qindex" href="files.html">File List</a> <a class="qindex" href="functions.html">Compound Members</a> <br><img src='../art/line.gif' width=100% height=1></b></font></td></tr></table> <p> <!--- TOPIC TITLE WITH LOGO ---> <!-- Generated by Doxygen 1.3.3 --> <h1>FXQuatf.h</h1><div class="fragment"><pre>00001 <span class="comment">/********************************************************************************</span> 00002 <span class="comment">* *</span> 00003 <span class="comment">* S i n g l e - P r e c i s i o n Q u a t e r n i o n *</span> 00004 <span class="comment">* *</span> 00005 <span class="comment">*********************************************************************************</span> 00006 <span class="comment">* Copyright (C) 1994,2004 by Jeroen van der Zijp. All Rights Reserved. *</span> 00007 <span class="comment">*********************************************************************************</span> 00008 <span class="comment">* This library is free software; you can redistribute it and/or *</span> 00009 <span class="comment">* modify it under the terms of the GNU Lesser General Public *</span> 00010 <span class="comment">* License as published by the Free Software Foundation; either *</span> 00011 <span class="comment">* version 2.1 of the License, or (at your option) any later version. *</span> 00012 <span class="comment">* *</span> 00013 <span class="comment">* This library is distributed in the hope that it will be useful, *</span> 00014 <span class="comment">* but WITHOUT ANY WARRANTY; without even the implied warranty of *</span> 00015 <span class="comment">* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU *</span> 00016 <span class="comment">* Lesser General Public License for more details. *</span> 00017 <span class="comment">* *</span> 00018 <span class="comment">* You should have received a copy of the GNU Lesser General Public *</span> 00019 <span class="comment">* License along with this library; if not, write to the Free Software *</span> 00020 <span class="comment">* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. *</span> 00021 <span class="comment">*********************************************************************************</span> 00022 <span class="comment">* $Id: FXQuatf.h,v 1.5 2004/02/08 17:17:34 fox Exp $ *</span> 00023 <span class="comment">********************************************************************************/</span> 00024 <span class="preprocessor">#ifndef FXQUATF_H</span> 00025 <span class="preprocessor"></span><span class="preprocessor">#define FXQUATF_H</span> 00026 <span class="preprocessor"></span> 00027 00028 <span class="keyword">namespace </span>FX { 00029 00030 <span class="comment"></span> 00031 <span class="comment">/// Single-precision quaternion</span> <a name="l00032"></a><a class="code" href="classFX_1_1FXQuatf.html">00032</a> <span class="comment"></span><span class="keyword">class </span>FXAPI FXQuatf : <span class="keyword">public</span> <a class="code" href="classFX_1_1FXVec4f.html">FXVec4f</a> { 00033 <span class="keyword">public</span>: 00034 <span class="comment"></span> 00035 <span class="comment"> /// Constructors</span> <a name="l00036"></a><a class="code" href="classFX_1_1FXQuatf.html#a0">00036</a> <span class="comment"></span> FXQuatf(){} 00037 <span class="comment"></span> 00038 <span class="comment"> /// Copy constructor</span> <a name="l00039"></a><a class="code" href="classFX_1_1FXQuatf.html#a1">00039</a> <span class="comment"></span> FXQuatf(<span class="keyword">const</span> FXQuatf& q):<a class="code" href="classFX_1_1FXVec4f.html">FXVec4f</a>(q){} 00040 <span class="comment"></span> 00041 <span class="comment"> /// Construct from components</span> <a name="l00042"></a><a class="code" href="classFX_1_1FXQuatf.html#a2">00042</a> <span class="comment"></span> FXQuatf(FXfloat xx,FXfloat yy,FXfloat zz,FXfloat ww):<a class="code" href="classFX_1_1FXVec4f.html">FXVec4f</a>(xx,yy,zz,ww){} 00043 00044 <span class="comment">// Construct from array of floats</span> 00045 FXQuatf(<span class="keyword">const</span> FXfloat v[]):FXVec4f(v){} 00046 <span class="comment"></span> 00047 <span class="comment"> /// Construct from axis and angle</span> 00048 <span class="comment"></span> FXQuatf(<span class="keyword">const</span> FXVec3f& axis,FXfloat phi=0.0f); 00049 <span class="comment"></span> 00050 <span class="comment"> /// Construct from euler angles yaw (z), pitch (y), and roll (x)</span> 00051 <span class="comment"></span> FXQuatf(FXfloat roll,FXfloat pitch,FXfloat yaw); 00052 <span class="comment"></span> 00053 <span class="comment"> /// Adjust quaternion length</span> 00054 <span class="comment"></span> FXQuatf& adjust(); 00055 <span class="comment"></span> 00056 <span class="comment"> /// Set quaternion from axis and angle</span> 00057 <span class="comment"></span> <span class="keywordtype">void</span> setAxisAngle(<span class="keyword">const</span> FXVec3f& axis,FXfloat phi=0.0f); 00058 <span class="comment"></span> 00059 <span class="comment"> /// Obtain axis and angle from quaternion</span> 00060 <span class="comment"></span> <span class="keywordtype">void</span> getAxisAngle(FXVec3f& axis,FXfloat& phi) <span class="keyword">const</span>; 00061 <span class="comment"></span> 00062 <span class="comment"> /// Set quaternion from yaw (z), pitch (y), and roll (x)</span> 00063 <span class="comment"></span> <span class="keywordtype">void</span> setRollPitchYaw(FXfloat roll,FXfloat pitch,FXfloat yaw); 00064 <span class="comment"></span> 00065 <span class="comment"> /// Obtain yaw, pitch, and roll from quaternion</span> 00066 <span class="comment"></span> <span class="keywordtype">void</span> getRollPitchYaw(FXfloat& roll,FXfloat& pitch,FXfloat& yaw) <span class="keyword">const</span>; 00067 <span class="comment"></span> 00068 <span class="comment"> /// Exponentiate quaternion</span> 00069 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXQuatf exp(<span class="keyword">const</span> FXQuatf& q); 00070 <span class="comment"></span> 00071 <span class="comment"> /// Take logarithm of quaternion</span> 00072 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXQuatf log(<span class="keyword">const</span> FXQuatf& q); 00073 <span class="comment"></span> 00074 <span class="comment"> /// Invert quaternion</span> 00075 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXQuatf invert(<span class="keyword">const</span> FXQuatf& q); 00076 <span class="comment"></span> 00077 <span class="comment"> /// Conjugate quaternion</span> 00078 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXQuatf conj(<span class="keyword">const</span> FXQuatf& q); 00079 <span class="comment"></span> 00080 <span class="comment"> /// Multiply quaternions</span> 00081 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXQuatf operator*(<span class="keyword">const</span> FXQuatf& p,<span class="keyword">const</span> FXQuatf& q); 00082 <span class="comment"></span> 00083 <span class="comment"> /// Construct quaternion from arc a->b on unit sphere</span> 00084 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXQuatf arc(<span class="keyword">const</span> FXVec3f& a,<span class="keyword">const</span> FXVec3f& b); 00085 <span class="comment"></span> 00086 <span class="comment"> /// Spherical lerp</span> 00087 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXQuatf lerp(<span class="keyword">const</span> FXQuatf& u,<span class="keyword">const</span> FXQuatf& v,FXfloat f); 00088 }; 00089 00090 00091 00092 } 00093 00094 <span class="preprocessor">#endif</span> </pre></div></font> <!--- COPYRIGHT --> <p> <table width=100% cellpadding=0 cellspacing=0><tr><td width=100% valign=top id=HEADLINE align=right> <img src='../art/line.gif' width=100% height=1><font size=-1> Copyright © 1997-2004 Jeroen van der Zijp</font> </td></tr></table> </p> <!--- COPYRIGHT --> </body> </html>