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<h1>FXMat4f.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 4 x 4 M a t r i x *</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: FXMat4f.h,v 1.4 2004/02/08 17:17:33 fox Exp $ *</span>
00023 <span class="comment">********************************************************************************/</span>
00024 <span class="preprocessor">#ifndef FXMAT4F_H</span>
00025 <span class="preprocessor"></span><span class="preprocessor">#define FXMAT4F_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 4x4 matrix</span>
<a name="l00032"></a><a class="code" href="classFX_1_1FXMat4f.html">00032</a> <span class="comment"></span><span class="keyword">class </span>FXAPI FXMat4f {
00033 <span class="keyword">protected</span>:
00034 <a class="code" href="classFX_1_1FXVec4f.html">FXVec4f</a> m[4];
<a name="l00035"></a><a class="code" href="classFX_1_1FXMat4f.html#a0">00035</a> <span class="keyword">public</span>:<span class="comment"></span>
00036 <span class="comment"> /// Constructors</span>
00037 <span class="comment"></span> FXMat4f(){}
00038 FXMat4f(FXfloat w);
00039 FXMat4f(FXfloat a00,FXfloat a01,FXfloat a02,FXfloat a03,
00040 FXfloat a10,FXfloat a11,FXfloat a12,FXfloat a13,
00041 FXfloat a20,FXfloat a21,FXfloat a22,FXfloat a23,
00042 FXfloat a30,FXfloat a31,FXfloat a32,FXfloat a33);
00043 FXMat4f(<span class="keyword">const</span> FXVec4f& a,<span class="keyword">const</span> FXVec4f& b,<span class="keyword">const</span> FXVec4f& c,<span class="keyword">const</span> FXVec4f& d);
00044 FXMat4f(<span class="keyword">const</span> FXMat4f& other);
00045 <span class="comment"></span>
00046 <span class="comment"> /// Assignment operators</span>
00047 <span class="comment"></span> FXMat4f& operator=(<span class="keyword">const</span> FXMat4f& other);
00048 FXMat4f& operator=(FXfloat w);
00049 FXMat4f& operator+=(<span class="keyword">const</span> FXMat4f& w);
00050 FXMat4f& operator-=(<span class="keyword">const</span> FXMat4f& w);
00051 FXMat4f& operator*=(FXfloat w);
00052 FXMat4f& operator*=(<span class="keyword">const</span> FXMat4f& w);
00053 FXMat4f& operator/=(FXfloat w);
<a name="l00054"></a><a class="code" href="classFX_1_1FXMat4f.html#a12">00054</a> <span class="comment"></span>
00055 <span class="comment"> /// Indexing</span>
00056 <span class="comment"></span> <a class="code" href="classFX_1_1FXVec4f.html">FXVec4f</a>& operator[](FXint i){<span class="keywordflow">return</span> m[i];}
00057 <span class="keyword">const</span> FXVec4f& operator[](FXint i)<span class="keyword"> const </span>{<span class="keywordflow">return</span> m[i];}
<a name="l00058"></a><a class="code" href="classFX_1_1FXMat4f.html#a14">00058</a> <span class="comment"></span>
00059 <span class="comment"> /// Conversion</span>
00060 <span class="comment"></span> operator FXfloat*(){<span class="keywordflow">return</span> m[0];}
00061 operator const FXfloat*()<span class="keyword"> const </span>{<span class="keywordflow">return</span> m[0];}
00062 <span class="comment"></span>
00063 <span class="comment"> /// Other operators</span>
00064 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXMat4f operator+(<span class="keyword">const</span> FXMat4f& a,<span class="keyword">const</span> FXMat4f& b);
00065 <span class="keyword">friend</span> FXAPI FXMat4f operator-(<span class="keyword">const</span> FXMat4f& a,<span class="keyword">const</span> FXMat4f& b);
00066 <span class="keyword">friend</span> FXAPI FXMat4f operator-(<span class="keyword">const</span> FXMat4f& a);
00067 <span class="keyword">friend</span> FXAPI FXMat4f operator*(<span class="keyword">const</span> FXMat4f& a,<span class="keyword">const</span> FXMat4f& b);
00068 <span class="keyword">friend</span> FXAPI FXMat4f operator*(FXfloat x,<span class="keyword">const</span> FXMat4f& a);
00069 <span class="keyword">friend</span> FXAPI FXMat4f operator*(<span class="keyword">const</span> FXMat4f& a,FXfloat x);
00070 <span class="keyword">friend</span> FXAPI FXMat4f operator/(<span class="keyword">const</span> FXMat4f& a,FXfloat x);
00071 <span class="keyword">friend</span> FXAPI FXMat4f operator/(FXfloat x,<span class="keyword">const</span> FXMat4f& a);
00072 <span class="comment"></span>
00073 <span class="comment"> /// Multiply matrix and vector</span>
00074 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXVec4f operator*(<span class="keyword">const</span> FXVec4f& v,<span class="keyword">const</span> FXMat4f& m);
00075 <span class="keyword">friend</span> FXAPI FXVec4f operator*(<span class="keyword">const</span> FXMat4f& a,<span class="keyword">const</span> FXVec4f& v);
00076 <span class="comment"></span>
00077 <span class="comment"> /// Mutiply matrix and vector, for non-projective matrix</span>
00078 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXVec3f operator*(<span class="keyword">const</span> FXVec3f& v,<span class="keyword">const</span> FXMat4f& m);
00079 <span class="keyword">friend</span> FXAPI FXVec3f operator*(<span class="keyword">const</span> FXMat4f& a,<span class="keyword">const</span> FXVec3f& v);
00080 <span class="comment"></span>
00081 <span class="comment"> /// Set identity matrix</span>
00082 <span class="comment"></span> FXMat4f& eye();
00083 <span class="comment"></span>
00084 <span class="comment"> /// Orthographic projection</span>
00085 <span class="comment"></span> FXMat4f& ortho(FXfloat left,FXfloat right,FXfloat bottom,FXfloat top,FXfloat hither,FXfloat yon);
00086 <span class="comment"></span>
00087 <span class="comment"> /// Perspective projection</span>
00088 <span class="comment"></span> FXMat4f& frustum(FXfloat left,FXfloat right,FXfloat bottom,FXfloat top,FXfloat hither,FXfloat yon);
00089 <span class="comment"></span>
00090 <span class="comment"> /// Multiply by left-hand matrix</span>
00091 <span class="comment"></span> FXMat4f& left();
00092 <span class="comment"></span>
00093 <span class="comment"> /// Multiply by rotation about unit-quaternion</span>
00094 <span class="comment"></span> FXMat4f& rot(<span class="keyword">const</span> FXQuatf& q);
00095 <span class="comment"></span>
00096 <span class="comment"> /// Multiply by rotation c,s about axis</span>
00097 <span class="comment"></span> FXMat4f& rot(<span class="keyword">const</span> FXVec3f& v,FXfloat c,FXfloat s);
00098 <span class="comment"></span>
00099 <span class="comment"> /// Multiply by rotation of phi about axis</span>
00100 <span class="comment"></span> FXMat4f& rot(<span class="keyword">const</span> FXVec3f& v,FXfloat phi);
00101 <span class="comment"></span>
00102 <span class="comment"> /// Multiply by x-rotation</span>
00103 <span class="comment"></span> FXMat4f& xrot(FXfloat c,FXfloat s);
00104 FXMat4f& xrot(FXfloat phi);
00105 <span class="comment"></span>
00106 <span class="comment"> /// Multiply by y-rotation</span>
00107 <span class="comment"></span> FXMat4f& yrot(FXfloat c,FXfloat s);
00108 FXMat4f& yrot(FXfloat phi);
00109 <span class="comment"></span>
00110 <span class="comment"> /// Multiply by z-rotation</span>
00111 <span class="comment"></span> FXMat4f& zrot(FXfloat c,FXfloat s);
00112 FXMat4f& zrot(FXfloat phi);
00113 <span class="comment"></span>
00114 <span class="comment"> /// Look at</span>
00115 <span class="comment"></span> FXMat4f& look(<span class="keyword">const</span> FXVec3f& eye,<span class="keyword">const</span> FXVec3f& cntr,<span class="keyword">const</span> FXVec3f& vup);
00116 <span class="comment"></span>
00117 <span class="comment"> /// Multiply by translation</span>
00118 <span class="comment"></span> FXMat4f& trans(FXfloat tx,FXfloat ty,FXfloat tz);
00119 FXMat4f& trans(<span class="keyword">const</span> FXVec3f& v);
00120 <span class="comment"></span>
00121 <span class="comment"> /// Multiply by scaling</span>
00122 <span class="comment"></span> FXMat4f& scale(FXfloat sx,FXfloat sy,FXfloat sz);
00123 FXMat4f& scale(FXfloat s);
00124 FXMat4f& scale(<span class="keyword">const</span> FXVec3f& v);
00125 <span class="comment"></span>
00126 <span class="comment"> /// Determinant</span>
00127 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXfloat det(<span class="keyword">const</span> FXMat4f& m);
00128 <span class="comment"></span>
00129 <span class="comment"> /// Transpose</span>
00130 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXMat4f transpose(<span class="keyword">const</span> FXMat4f& m);
00131 <span class="comment"></span>
00132 <span class="comment"> /// Invert</span>
00133 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXMat4f invert(<span class="keyword">const</span> FXMat4f& m);
00134 <span class="comment"></span>
00135 <span class="comment"> /// Save to a stream</span>
00136 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXStream& operator<<(FXStream& store,<span class="keyword">const</span> FXMat4f& m);
00137 <span class="comment"></span>
00138 <span class="comment"> /// Load from a stream</span>
00139 <span class="comment"></span> <span class="keyword">friend</span> FXAPI FXStream& operator>>(FXStream& store,FXMat4f& m);
00140 };
00141
00142 }
00143
00144 <span class="preprocessor">#endif</span>
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