Main Page   Class Hierarchy   Alphabetical List   Compound List   File List   Compound Members

FXMat3d.h

Go to the documentation of this file.
00001 /********************************************************************************
00002 *                                                                               *
00003 *            D o u b l e - P r e c i s i o n   3 x 3   M a t r i x              *
00004 *                                                                               *
00005 *********************************************************************************
00006 * Copyright (C) 2003,2006 by Jeroen van der Zijp.   All Rights Reserved.        *
00007 *********************************************************************************
00008 * This library is free software; you can redistribute it and/or                 *
00009 * modify it under the terms of the GNU Lesser General Public                    *
00010 * License as published by the Free Software Foundation; either                  *
00011 * version 2.1 of the License, or (at your option) any later version.            *
00012 *                                                                               *
00013 * This library is distributed in the hope that it will be useful,               *
00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of                *
00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU             *
00016 * Lesser General Public License for more details.                               *
00017 *                                                                               *
00018 * You should have received a copy of the GNU Lesser General Public              *
00019 * License along with this library; if not, write to the Free Software           *
00020 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.    *
00021 *********************************************************************************
00022 * $Id: FXMat3d.h,v 1.12 2006/01/22 17:58:05 fox Exp $                           *
00023 ********************************************************************************/
00024 #ifndef FXMAT3D_H
00025 #define FXMAT3D_H
00026 
00027 
00028 namespace FX {
00029 
00030 
00031 class FXQuatd;
00032 
00033 
00034 /// Double-precision 3x3 matrix
00035 class FXAPI FXMat3d {
00036 protected:
00037   FXVec3d m[3];
00038 public:
00039 
00040   /// Default constructor
00041   FXMat3d(){}
00042 
00043   /// Initialize matrix from another matrix
00044   FXMat3d(const FXMat3d& other);
00045 
00046   /// Initialize matrix from scalar
00047   FXMat3d(FXdouble w);
00048 
00049   /// Initialize matrix from components
00050   FXMat3d(FXdouble a00,FXdouble a01,FXdouble a02,
00051           FXdouble a10,FXdouble a11,FXdouble a12,
00052           FXdouble a20,FXdouble a21,FXdouble a22);
00053 
00054   /// Initialize matrix from three vectors
00055   FXMat3d(const FXVec3d& a,const FXVec3d& b,const FXVec3d& c);
00056 
00057   /// Initialize matrix from quaternion
00058   FXMat3d(const FXQuatd& quat);
00059 
00060   /// Assignment
00061   FXMat3d& operator=(const FXMat3d& other);
00062   FXMat3d& operator=(FXdouble w);
00063 
00064   /// Set value from another matrix
00065   FXMat3d& set(const FXMat3d& other);
00066 
00067   /// Set value from scalar
00068   FXMat3d& set(FXdouble w);
00069 
00070   /// Set value from components
00071   FXMat3d& set(FXdouble a00,FXdouble a01,FXdouble a02,
00072                FXdouble a10,FXdouble a11,FXdouble a12,
00073                FXdouble a20,FXdouble a21,FXdouble a22);
00074 
00075   /// Set value from three vectors
00076   FXMat3d& set(const FXVec3d& a,const FXVec3d& b,const FXVec3d& c);
00077 
00078   /// Set value from quaternion
00079   FXMat3d& set(const FXQuatd& quat);
00080 
00081   /// Assignment operators
00082   FXMat3d& operator+=(const FXMat3d& w);
00083   FXMat3d& operator-=(const FXMat3d& w);
00084   FXMat3d& operator*=(FXdouble w);
00085   FXMat3d& operator*=(const FXMat3d& w);
00086   FXMat3d& operator/=(FXdouble w);
00087 
00088   /// Indexing
00089   FXVec3d& operator[](FXint i){return m[i];}
00090   const FXVec3d& operator[](FXint i) const {return m[i];}
00091 
00092   /// Conversion
00093   operator FXdouble*(){return m[0];}
00094   operator const FXdouble*() const {return m[0];}
00095 
00096   /// Unary minus
00097   FXMat3d operator-() const;
00098 
00099   /// Matrix and matrix
00100   FXMat3d operator+(const FXMat3d& w) const;
00101   FXMat3d operator-(const FXMat3d& w) const;
00102   FXMat3d operator*(const FXMat3d& w) const;
00103 
00104   /// Multiply matrix and vector
00105   FXVec3d operator*(const FXVec3d& v) const;
00106   FXVec2d operator*(const FXVec2d& v) const;
00107 
00108   /// Matrix and scalar
00109   friend FXAPI FXMat3d operator*(FXdouble x,const FXMat3d& a);
00110   friend FXAPI FXMat3d operator*(const FXMat3d& a,FXdouble x);
00111   friend FXAPI FXMat3d operator/(const FXMat3d& a,FXdouble x);
00112   friend FXAPI FXMat3d operator/(FXdouble x,const FXMat3d& a);
00113 
00114   /// Set identity matrix
00115   FXMat3d& eye();
00116 
00117   /// Multiply by rotation of phi
00118   FXMat3d& rot(FXdouble c,FXdouble s);
00119   FXMat3d& rot(FXdouble phi);
00120 
00121   /// Multiply by translation
00122   FXMat3d& trans(FXdouble tx,FXdouble ty);
00123 
00124   /// Multiply by scaling
00125   FXMat3d& scale(FXdouble sx,FXdouble sy);
00126   FXMat3d& scale(FXdouble s);
00127 
00128   /// Determinant
00129   FXdouble det() const;
00130 
00131   /// Transpose
00132   FXMat3d transpose() const;
00133 
00134   /// Invert
00135   FXMat3d invert() const;
00136 
00137   /// Save to a stream
00138   friend FXAPI FXStream& operator<<(FXStream& store,const FXMat3d& m);
00139 
00140   /// Load from a stream
00141   friend FXAPI FXStream& operator>>(FXStream& store,FXMat3d& m);
00142   };
00143 
00144 extern FXAPI FXMat3d operator*(FXdouble x,const FXMat3d& a);
00145 extern FXAPI FXMat3d operator*(const FXMat3d& a,FXdouble x);
00146 extern FXAPI FXMat3d operator/(const FXMat3d& a,FXdouble x);
00147 extern FXAPI FXMat3d operator/(FXdouble x,const FXMat3d& a);
00148 
00149 extern FXAPI FXStream& operator<<(FXStream& store,const FXMat3d& m);
00150 extern FXAPI FXStream& operator>>(FXStream& store,FXMat3d& m);
00151 
00152 }
00153 
00154 #endif

Copyright © 1997-2005 Jeroen van der Zijp