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FXDHMat.h

00001 /********************************************************************************
00002 *                                                                               *
00003 *     H o m o g e n e o u s   D o u b l e - M a t r i x   O p e r a t i o n s   *
00004 *                                                                               *
00005 *********************************************************************************
00006 * Copyright (C) 1994,2002 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: FXDHMat.h,v 1.9 2002/01/18 22:42:51 jeroen Exp $                         *
00023 ********************************************************************************/
00024 #ifndef FXDHMAT_H
00025 #define FXDHMAT_H
00026 
00027 
00028 /// Homogeneous matrix (double-precision version)
00029 class FXAPI FXDHMat {
00030 protected:
00031   FXDHVec m[4];
00032 public:
00033   /// Constructors
00034   FXDHMat(){}
00035   FXDHMat(const FXDHMat& other);
00036   FXDHMat(FXdouble w);
00037   FXDHMat(FXdouble a00,FXdouble a01,FXdouble a02,FXdouble a03,
00038           FXdouble a10,FXdouble a11,FXdouble a12,FXdouble a13,
00039           FXdouble a20,FXdouble a21,FXdouble a22,FXdouble a23,
00040           FXdouble a30,FXdouble a31,FXdouble a32,FXdouble a33);
00041   FXDHMat(const FXDHVec& a,const FXDHVec& b,const FXDHVec& c,const FXDHVec& d);
00042 
00043   /// Assignment operators
00044   FXDHMat& operator=(const FXDHMat& other);
00045   FXDHMat& operator=(FXdouble w);
00046   FXDHMat& operator+=(const FXDHMat& w);
00047   FXDHMat& operator-=(const FXDHMat& w);
00048   FXDHMat& operator*=(FXdouble w);
00049   FXDHMat& operator*=(const FXDHMat& w);
00050   FXDHMat& operator/=(FXdouble w);
00051 
00052   /// Return a non-const reference to the ith row
00053   FXDHVec& operator[](FXint i){return m[i];}
00054 
00055   /// Return a const reference to the ith row
00056   const FXDHVec& operator[](FXint i) const {return m[i];}
00057 
00058   /// Conversion
00059   operator FXdouble*(){return m[0];}
00060   operator const FXdouble*() const {return m[0];}
00061 
00062   /// Other operators
00063   friend FXAPI FXDHMat operator+(const FXDHMat& a,const FXDHMat& b);
00064   friend FXAPI FXDHMat operator-(const FXDHMat& a,const FXDHMat& b);
00065   friend FXAPI FXDHMat operator-(const FXDHMat& a);
00066   friend FXAPI FXDHMat operator*(const FXDHMat& a,const FXDHMat& b);
00067   friend FXAPI FXDHMat operator*(FXdouble x,const FXDHMat& a);
00068   friend FXAPI FXDHMat operator*(const FXDHMat& a,FXdouble x);
00069   friend FXAPI FXDHMat operator/(const FXDHMat& a,FXdouble x);
00070   friend FXAPI FXDHMat operator/(FXdouble x,const FXDHMat& a);
00071 
00072   /// Multiply matrix and vector
00073   friend FXAPI FXDHVec operator*(const FXDHVec& v,const FXDHMat& m);
00074   friend FXAPI FXDHVec operator*(const FXDHMat& a,const FXDHVec& v);
00075 
00076   /// Mutiply matrix and vector, for projective matrix
00077   friend FXAPI FXDVec operator*(const FXDVec& v,const FXDHMat& m);
00078   friend FXAPI FXDVec operator*(const FXDHMat& a,const FXDVec& v);
00079 
00080   /// Set to identity matrix
00081   FXDHMat& eye();
00082 
00083   /// Orthographic projection
00084   FXDHMat& ortho(FXdouble left,FXdouble right,FXdouble bottom,FXdouble top,FXdouble hither,FXdouble yon);
00085 
00086   /// Perspective projection
00087   FXDHMat& frustum(FXdouble left,FXdouble right,FXdouble bottom,FXdouble top,FXdouble hither,FXdouble yon);
00088 
00089   /// Multiply by left-hand matrix
00090   FXDHMat& left();
00091 
00092   /// Multiply by rotation about unit-quaternion
00093   FXDHMat& rot(const FXDQuat& q);
00094 
00095   /// Multiply by rotation c,s about axis
00096   FXDHMat& rot(const FXDVec& v,FXdouble c,FXdouble s);
00097 
00098   /// Multiply by rotation of phi about axis
00099   FXDHMat& rot(const FXDVec& v,FXdouble phi);
00100 
00101   /// Multiply by x-rotation
00102   FXDHMat& xrot(FXdouble c,FXdouble s);
00103   FXDHMat& xrot(FXdouble phi);
00104 
00105   /// Multiply by y-rotation
00106   FXDHMat& yrot(FXdouble c,FXdouble s);
00107   FXDHMat& yrot(FXdouble phi);
00108 
00109   /// Multiply by z-rotation
00110   FXDHMat& zrot(FXdouble c,FXdouble s);
00111   FXDHMat& zrot(FXdouble phi);
00112 
00113   /// Look at
00114   FXDHMat& look(const FXDVec& eye,const FXDVec& cntr,const FXDVec& vup);
00115 
00116   /// Multiply by translation
00117   FXDHMat& trans(FXdouble tx,FXdouble ty,FXdouble tz);
00118   FXDHMat& trans(const FXDVec& v);
00119 
00120   /// Multiply by scaling
00121   FXDHMat& scale(FXdouble sx,FXdouble sy,FXdouble sz);
00122   FXDHMat& scale(FXdouble s);
00123   FXDHMat& scale(const FXDVec& v);
00124 
00125   /// Determinant
00126   friend FXAPI FXdouble det(const FXDHMat& m);
00127 
00128   /// Transpose
00129   friend FXAPI FXDHMat transpose(const FXDHMat& m);
00130 
00131   /// Invert
00132   friend FXAPI FXDHMat invert(const FXDHMat& m);
00133 
00134   /// Save to a stream
00135   friend FXAPI FXStream& operator<<(FXStream& store,const FXDHMat& m);
00136 
00137   /// Load from a stream
00138   friend FXAPI FXStream& operator>>(FXStream& store,FXDHMat& m);
00139   };
00140 
00141 #endif