![]() |
Main Page Class Hierarchy Alphabetical List Compound List File List Compound Members
![]() |
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 1.11 2002/03/12 07:11:30 fox Exp $ * 00023 ********************************************************************************/ 00024 #ifndef FXDHMAT_H 00025 #define FXDHMAT_H 00026 00027 namespace FX { 00028 00029 /// Homogeneous matrix (double-precision version) 00030 class FXAPI FXDHMat { 00031 protected: 00032 FXDHVec m[4]; 00033 public: 00034 /// Constructors 00035 FXDHMat(){} 00036 FXDHMat(const FXDHMat& other); 00037 FXDHMat(FXdouble w); 00038 FXDHMat(FXdouble a00,FXdouble a01,FXdouble a02,FXdouble a03, 00039 FXdouble a10,FXdouble a11,FXdouble a12,FXdouble a13, 00040 FXdouble a20,FXdouble a21,FXdouble a22,FXdouble a23, 00041 FXdouble a30,FXdouble a31,FXdouble a32,FXdouble a33); 00042 FXDHMat(const FXDHVec& a,const FXDHVec& b,const FXDHVec& c,const FXDHVec& d); 00043 00044 /// Assignment operators 00045 FXDHMat& operator=(const FXDHMat& other); 00046 FXDHMat& operator=(FXdouble w); 00047 FXDHMat& operator+=(const FXDHMat& w); 00048 FXDHMat& operator-=(const FXDHMat& w); 00049 FXDHMat& operator*=(FXdouble w); 00050 FXDHMat& operator*=(const FXDHMat& w); 00051 FXDHMat& operator/=(FXdouble w); 00052 00053 /// Return a non-const reference to the ith row 00054 FXDHVec& operator[](FXint i){return m[i];} 00055 00056 /// Return a const reference to the ith row 00057 const FXDHVec& operator[](FXint i) const {return m[i];} 00058 00059 /// Conversion 00060 operator FXdouble*(){return m[0];} 00061 operator const FXdouble*() const {return m[0];} 00062 00063 /// Other operators 00064 friend FXAPI FXDHMat operator+(const FXDHMat& a,const FXDHMat& b); 00065 friend FXAPI FXDHMat operator-(const FXDHMat& a,const FXDHMat& b); 00066 friend FXAPI FXDHMat operator-(const FXDHMat& a); 00067 friend FXAPI FXDHMat operator*(const FXDHMat& a,const FXDHMat& b); 00068 friend FXAPI FXDHMat operator*(FXdouble x,const FXDHMat& a); 00069 friend FXAPI FXDHMat operator*(const FXDHMat& a,FXdouble x); 00070 friend FXAPI FXDHMat operator/(const FXDHMat& a,FXdouble x); 00071 friend FXAPI FXDHMat operator/(FXdouble x,const FXDHMat& a); 00072 00073 /// Multiply matrix and vector 00074 friend FXAPI FXDHVec operator*(const FXDHVec& v,const FXDHMat& m); 00075 friend FXAPI FXDHVec operator*(const FXDHMat& a,const FXDHVec& v); 00076 00077 /// Mutiply matrix and vector, for projective matrix 00078 friend FXAPI FXDVec operator*(const FXDVec& v,const FXDHMat& m); 00079 friend FXAPI FXDVec operator*(const FXDHMat& a,const FXDVec& v); 00080 00081 /// Set to identity matrix 00082 FXDHMat& eye(); 00083 00084 /// Orthographic projection 00085 FXDHMat& ortho(FXdouble left,FXdouble right,FXdouble bottom,FXdouble top,FXdouble hither,FXdouble yon); 00086 00087 /// Perspective projection 00088 FXDHMat& frustum(FXdouble left,FXdouble right,FXdouble bottom,FXdouble top,FXdouble hither,FXdouble yon); 00089 00090 /// Multiply by left-hand matrix 00091 FXDHMat& left(); 00092 00093 /// Multiply by rotation about unit-quaternion 00094 FXDHMat& rot(const FXDQuat& q); 00095 00096 /// Multiply by rotation c,s about axis 00097 FXDHMat& rot(const FXDVec& v,FXdouble c,FXdouble s); 00098 00099 /// Multiply by rotation of phi about axis 00100 FXDHMat& rot(const FXDVec& v,FXdouble phi); 00101 00102 /// Multiply by x-rotation 00103 FXDHMat& xrot(FXdouble c,FXdouble s); 00104 FXDHMat& xrot(FXdouble phi); 00105 00106 /// Multiply by y-rotation 00107 FXDHMat& yrot(FXdouble c,FXdouble s); 00108 FXDHMat& yrot(FXdouble phi); 00109 00110 /// Multiply by z-rotation 00111 FXDHMat& zrot(FXdouble c,FXdouble s); 00112 FXDHMat& zrot(FXdouble phi); 00113 00114 /// Look at 00115 FXDHMat& look(const FXDVec& eye,const FXDVec& cntr,const FXDVec& vup); 00116 00117 /// Multiply by translation 00118 FXDHMat& trans(FXdouble tx,FXdouble ty,FXdouble tz); 00119 FXDHMat& trans(const FXDVec& v); 00120 00121 /// Multiply by scaling 00122 FXDHMat& scale(FXdouble sx,FXdouble sy,FXdouble sz); 00123 FXDHMat& scale(FXdouble s); 00124 FXDHMat& scale(const FXDVec& v); 00125 00126 /// Determinant 00127 friend FXAPI FXdouble det(const FXDHMat& m); 00128 00129 /// Transpose 00130 friend FXAPI FXDHMat transpose(const FXDHMat& m); 00131 00132 /// Invert 00133 friend FXAPI FXDHMat invert(const FXDHMat& m); 00134 00135 /// Save to a stream 00136 friend FXAPI FXStream& operator<<(FXStream& store,const FXDHMat& m); 00137 00138 /// Load from a stream 00139 friend FXAPI FXStream& operator>>(FXStream& store,FXDHMat& m); 00140 }; 00141 00142 } 00143 00144 #endif