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<b>- Cal3D 0.11 API Reference -</b>
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<h1>matrix.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">//****************************************************************************//</span>
<a name="l00002"></a>00002 <span class="comment">// matrix.h //</span>
<a name="l00003"></a>00003 <span class="comment">// Copyright (C) 2001, 2002 Bruno 'Beosil' Heidelberger //</span>
<a name="l00004"></a>00004 <span class="comment">//****************************************************************************//</span>
<a name="l00005"></a>00005 <span class="comment">// This library is free software; you can redistribute it and/or modify it //</span>
<a name="l00006"></a>00006 <span class="comment">// under the terms of the GNU Lesser General Public License as published by //</span>
<a name="l00007"></a>00007 <span class="comment">// the Free Software Foundation; either version 2.1 of the License, or (at //</span>
<a name="l00008"></a>00008 <span class="comment">// your option) any later version. //</span>
<a name="l00009"></a>00009 <span class="comment">//****************************************************************************//</span>
<a name="l00010"></a>00010
<a name="l00011"></a>00011 <span class="preprocessor">#ifndef CAL_MATRIX_H</span>
<a name="l00012"></a>00012 <span class="preprocessor"></span><span class="preprocessor">#define CAL_MATRIX_H</span>
<a name="l00013"></a>00013 <span class="preprocessor"></span>
<a name="l00014"></a>00014 <span class="comment">//****************************************************************************//</span>
<a name="l00015"></a>00015 <span class="comment">// Includes //</span>
<a name="l00016"></a>00016 <span class="comment">//****************************************************************************//</span>
<a name="l00017"></a>00017
<a name="l00018"></a>00018 <span class="preprocessor">#include "cal3d/global.h"</span>
<a name="l00019"></a>00019
<a name="l00020"></a>00020 <span class="comment">//****************************************************************************//</span>
<a name="l00021"></a>00021 <span class="comment">// Forward declarations //</span>
<a name="l00022"></a>00022 <span class="comment">//****************************************************************************//</span>
<a name="l00023"></a>00023
<a name="l00024"></a>00024 <span class="keyword">class </span><a class="code" href="classCalQuaternion.html" title="The quaternion class.">CalQuaternion</a>;
<a name="l00025"></a>00025
<a name="l00026"></a>00026 <span class="comment">//****************************************************************************//</span>
<a name="l00027"></a>00027 <span class="comment">// Class declaration //</span>
<a name="l00028"></a>00028 <span class="comment">//****************************************************************************//</span>
<a name="l00029"></a>00029
<a name="l00030"></a>00030 <span class="comment">/*****************************************************************************/</span>
<a name="l00034"></a><a class="code" href="classCalMatrix.html">00034</a> <span class="keyword">class </span>CAL3D_API <a class="code" href="classCalMatrix.html" title="The matrix class.">CalMatrix</a>
<a name="l00035"></a>00035 {
<a name="l00036"></a>00036 <span class="comment">// member variables</span>
<a name="l00037"></a>00037 <span class="keyword">public</span>:
<a name="l00038"></a>00038 <span class="keywordtype">float</span> dxdx,dydx,dzdx;
<a name="l00039"></a>00039 <span class="keywordtype">float</span> dxdy,dydy,dzdy;
<a name="l00040"></a>00040 <span class="keywordtype">float</span> dxdz,dydz,dzdz;
<a name="l00041"></a>00041
<a name="l00042"></a>00042 <span class="comment">// constructors/destructor</span>
<a name="l00043"></a>00043 <span class="keyword">public</span>:
<a name="l00044"></a>00044 <span class="keyword">inline</span> <a class="code" href="classCalMatrix.html" title="The matrix class.">CalMatrix</a>() : dxdx(0.0), dydx(0.0), dzdx(0.0),
<a name="l00045"></a>00045 dxdy(0.0), dydy(0.0), dzdy(0.0),
<a name="l00046"></a>00046 dxdz(0.0), dydz(0.0), dzdz(0.0)
<a name="l00047"></a>00047 {
<a name="l00048"></a>00048 }
<a name="l00049"></a>00049
<a name="l00050"></a>00050 <a class="code" href="classCalMatrix.html" title="The matrix class.">CalMatrix</a>(<span class="keyword">const</span> <a class="code" href="classCalQuaternion.html" title="The quaternion class.">CalQuaternion</a> &q);
<a name="l00051"></a>00051
<a name="l00052"></a>00052 <span class="keyword">inline</span> <a class="code" href="classCalMatrix.html" title="The matrix class.">CalMatrix</a>(<span class="keywordtype">float</span> weight, <span class="keyword">const</span> <a class="code" href="classCalMatrix.html" title="The matrix class.">CalMatrix</a> &m)
<a name="l00053"></a>00053 {
<a name="l00054"></a>00054 dxdx = m.dxdx*weight;
<a name="l00055"></a>00055 dxdy = m.dxdy*weight;
<a name="l00056"></a>00056 dxdz = m.dxdz*weight;
<a name="l00057"></a>00057 dydx = m.dydx*weight;
<a name="l00058"></a>00058 dydy = m.dydy*weight;
<a name="l00059"></a>00059 dydz = m.dydz*weight;
<a name="l00060"></a>00060 dzdx = m.dzdx*weight;
<a name="l00061"></a>00061 dzdy = m.dzdy*weight;
<a name="l00062"></a>00062 dzdz = m.dzdz*weight;
<a name="l00063"></a>00063 }
<a name="l00064"></a>00064
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keyword">inline</span> ~<a class="code" href="classCalMatrix.html" title="The matrix class.">CalMatrix</a>() {};
<a name="l00067"></a>00067
<a name="l00068"></a>00068 <span class="comment">// member functions</span>
<a name="l00069"></a>00069 <span class="keyword">public</span>:
<a name="l00070"></a>00070 <span class="keywordtype">void</span> operator=(<span class="keyword">const</span> <a class="code" href="classCalQuaternion.html" title="The quaternion class.">CalQuaternion</a>& q);
<a name="l00071"></a>00071
<a name="l00072"></a>00072 <span class="keyword">inline</span> <span class="keywordtype">void</span> operator=(<span class="keyword">const</span> <a class="code" href="classCalMatrix.html" title="The matrix class.">CalMatrix</a>& m)
<a name="l00073"></a>00073 {
<a name="l00074"></a>00074 dxdx=m.dxdx; dxdy=m.dxdy; dxdz=m.dxdz;
<a name="l00075"></a>00075 dydx=m.dydx; dydy=m.dydy; dydz=m.dydz;
<a name="l00076"></a>00076 dzdx=m.dzdx; dzdy=m.dzdy; dzdz=m.dzdz;
<a name="l00077"></a>00077 }
<a name="l00078"></a>00078 <span class="keyword">inline</span> <span class="keywordtype">void</span> operator *= (<span class="keyword">const</span> <a class="code" href="classCalMatrix.html" title="The matrix class.">CalMatrix</a> &m)
<a name="l00079"></a>00079 {
<a name="l00080"></a>00080 <span class="keywordtype">float</span> ndxdx=m.dxdx*dxdx+m.dxdy*dydx+m.dxdz*dzdx;
<a name="l00081"></a>00081 <span class="keywordtype">float</span> ndydx=m.dydx*dxdx+m.dydy*dydx+m.dydz*dzdx;
<a name="l00082"></a>00082 <span class="keywordtype">float</span> ndzdx=m.dzdx*dxdx+m.dzdy*dydx+m.dzdz*dzdx;
<a name="l00083"></a>00083
<a name="l00084"></a>00084 <span class="keywordtype">float</span> ndxdy=m.dxdx*dxdy+m.dxdy*dydy+m.dxdz*dzdy;
<a name="l00085"></a>00085 <span class="keywordtype">float</span> ndydy=m.dydx*dxdy+m.dydy*dydy+m.dydz*dzdy;
<a name="l00086"></a>00086 <span class="keywordtype">float</span> ndzdy=m.dzdx*dxdy+m.dzdy*dydy+m.dzdz*dzdy;
<a name="l00087"></a>00087
<a name="l00088"></a>00088 <span class="keywordtype">float</span> ndxdz=m.dxdx*dxdz+m.dxdy*dydz+m.dxdz*dzdz;
<a name="l00089"></a>00089 <span class="keywordtype">float</span> ndydz=m.dydx*dxdz+m.dydy*dydz+m.dydz*dzdz;
<a name="l00090"></a>00090 <span class="keywordtype">float</span> ndzdz=m.dzdx*dxdz+m.dzdy*dydz+m.dzdz*dzdz;
<a name="l00091"></a>00091
<a name="l00092"></a>00092 dxdx=ndxdx;
<a name="l00093"></a>00093 dydx=ndydx;
<a name="l00094"></a>00094 dzdx=ndzdx;
<a name="l00095"></a>00095 dxdy=ndxdy;
<a name="l00096"></a>00096 dydy=ndydy;
<a name="l00097"></a>00097 dzdy=ndzdy;
<a name="l00098"></a>00098 dxdz=ndxdz;
<a name="l00099"></a>00099 dydz=ndydz;
<a name="l00100"></a>00100 dzdz=ndzdz;
<a name="l00101"></a>00101 }
<a name="l00102"></a>00102
<a name="l00103"></a>00103 <span class="keyword">inline</span> <span class="keywordtype">void</span> operator *= (<span class="keywordtype">float</span> factor)
<a name="l00104"></a>00104 {
<a name="l00105"></a>00105 dxdx *= factor;
<a name="l00106"></a>00106 dydx *= factor;
<a name="l00107"></a>00107 dzdx *= factor;
<a name="l00108"></a>00108 dxdy *= factor;
<a name="l00109"></a>00109 dydy *= factor;
<a name="l00110"></a>00110 dzdy *= factor;
<a name="l00111"></a>00111 dxdz *= factor;
<a name="l00112"></a>00112 dydz *= factor;
<a name="l00113"></a>00113 dzdz *= factor;
<a name="l00114"></a>00114 }
<a name="l00115"></a>00115 <span class="keyword">inline</span> <span class="keywordtype">void</span> blend(<span class="keywordtype">float</span> factor, <span class="keyword">const</span> <a class="code" href="classCalMatrix.html" title="The matrix class.">CalMatrix</a>& m)
<a name="l00116"></a>00116 {
<a name="l00117"></a>00117 dxdx += m.dxdx*factor;
<a name="l00118"></a>00118 dydx += m.dydx*factor;
<a name="l00119"></a>00119 dzdx += m.dzdx*factor;
<a name="l00120"></a>00120 dxdy += m.dxdy*factor;
<a name="l00121"></a>00121 dydy += m.dydy*factor;
<a name="l00122"></a>00122 dzdy += m.dzdy*factor;
<a name="l00123"></a>00123 dxdz += m.dxdz*factor;
<a name="l00124"></a>00124 dydz += m.dydz*factor;
<a name="l00125"></a>00125 dzdz += m.dzdz*factor;
<a name="l00126"></a>00126 }
<a name="l00127"></a>00127
<a name="l00128"></a>00128 <span class="keyword">inline</span> <span class="keywordtype">float</span> det()
<a name="l00129"></a>00129 {
<a name="l00130"></a>00130 <span class="keywordflow">return</span> dxdx * (dydy*dzdz-dydz*dzdy)
<a name="l00131"></a>00131 -dxdy* ( dydx*dzdz-dzdx*dydz)
<a name="l00132"></a>00132 +dxdz* (dydx*dzdy-dzdx*dydy);
<a name="l00133"></a>00133 }
<a name="l00134"></a>00134
<a name="l00135"></a>00135 };
<a name="l00136"></a>00136
<a name="l00137"></a>00137
<a name="l00138"></a>00138 <span class="preprocessor">#endif</span>
<a name="l00139"></a>00139 <span class="preprocessor"></span>
<a name="l00140"></a>00140 <span class="comment">//****************************************************************************//</span>
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