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FXMat4f.h

00001 /********************************************************************************
00002 *                                                                               *
00003 *            S i n g l e - P r e c i s i o n   4 x 4   M a t r i x              *
00004 *                                                                               *
00005 *********************************************************************************
00006 * Copyright (C) 1994,2004 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: FXMat4f.h,v 1.4 2004/02/08 17:17:33 fox Exp $                            *
00023 ********************************************************************************/
00024 #ifndef FXMAT4F_H
00025 #define FXMAT4F_H
00026 
00027 
00028 namespace FX {
00029 
00030 
00031 /// Single-precision 4x4 matrix
00032 class FXAPI FXMat4f {
00033 protected:
00034   FXVec4f m[4];
00035 public:
00036   /// Constructors
00037   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(const FXVec4f& a,const FXVec4f& b,const FXVec4f& c,const FXVec4f& d);
00044   FXMat4f(const FXMat4f& other);
00045 
00046   /// Assignment operators
00047   FXMat4f& operator=(const FXMat4f& other);
00048   FXMat4f& operator=(FXfloat w);
00049   FXMat4f& operator+=(const FXMat4f& w);
00050   FXMat4f& operator-=(const FXMat4f& w);
00051   FXMat4f& operator*=(FXfloat w);
00052   FXMat4f& operator*=(const FXMat4f& w);
00053   FXMat4f& operator/=(FXfloat w);
00054 
00055   /// Indexing
00056   FXVec4f& operator[](FXint i){return m[i];}
00057   const FXVec4f& operator[](FXint i) const {return m[i];}
00058 
00059   /// Conversion
00060   operator FXfloat*(){return m[0];}
00061   operator const FXfloat*() const {return m[0];}
00062 
00063   /// Other operators
00064   friend FXAPI FXMat4f operator+(const FXMat4f& a,const FXMat4f& b);
00065   friend FXAPI FXMat4f operator-(const FXMat4f& a,const FXMat4f& b);
00066   friend FXAPI FXMat4f operator-(const FXMat4f& a);
00067   friend FXAPI FXMat4f operator*(const FXMat4f& a,const FXMat4f& b);
00068   friend FXAPI FXMat4f operator*(FXfloat x,const FXMat4f& a);
00069   friend FXAPI FXMat4f operator*(const FXMat4f& a,FXfloat x);
00070   friend FXAPI FXMat4f operator/(const FXMat4f& a,FXfloat x);
00071   friend FXAPI FXMat4f operator/(FXfloat x,const FXMat4f& a);
00072 
00073   /// Multiply matrix and vector
00074   friend FXAPI FXVec4f operator*(const FXVec4f& v,const FXMat4f& m);
00075   friend FXAPI FXVec4f operator*(const FXMat4f& a,const FXVec4f& v);
00076 
00077   /// Mutiply matrix and vector, for non-projective matrix
00078   friend FXAPI FXVec3f operator*(const FXVec3f& v,const FXMat4f& m);
00079   friend FXAPI FXVec3f operator*(const FXMat4f& a,const FXVec3f& v);
00080 
00081   /// Set identity matrix
00082   FXMat4f& eye();
00083 
00084   /// Orthographic projection
00085   FXMat4f& ortho(FXfloat left,FXfloat right,FXfloat bottom,FXfloat top,FXfloat hither,FXfloat yon);
00086 
00087   /// Perspective projection
00088   FXMat4f& frustum(FXfloat left,FXfloat right,FXfloat bottom,FXfloat top,FXfloat hither,FXfloat yon);
00089 
00090   /// Multiply by left-hand matrix
00091   FXMat4f& left();
00092 
00093   /// Multiply by rotation about unit-quaternion
00094   FXMat4f& rot(const FXQuatf& q);
00095 
00096   /// Multiply by rotation c,s about axis
00097   FXMat4f& rot(const FXVec3f& v,FXfloat c,FXfloat s);
00098 
00099   /// Multiply by rotation of phi about axis
00100   FXMat4f& rot(const FXVec3f& v,FXfloat phi);
00101 
00102   /// Multiply by x-rotation
00103   FXMat4f& xrot(FXfloat c,FXfloat s);
00104   FXMat4f& xrot(FXfloat phi);
00105 
00106   /// Multiply by y-rotation
00107   FXMat4f& yrot(FXfloat c,FXfloat s);
00108   FXMat4f& yrot(FXfloat phi);
00109 
00110   /// Multiply by z-rotation
00111   FXMat4f& zrot(FXfloat c,FXfloat s);
00112   FXMat4f& zrot(FXfloat phi);
00113 
00114   /// Look at
00115   FXMat4f& look(const FXVec3f& eye,const FXVec3f& cntr,const FXVec3f& vup);
00116 
00117   /// Multiply by translation
00118   FXMat4f& trans(FXfloat tx,FXfloat ty,FXfloat tz);
00119   FXMat4f& trans(const FXVec3f& v);
00120 
00121   /// Multiply by scaling
00122   FXMat4f& scale(FXfloat sx,FXfloat sy,FXfloat sz);
00123   FXMat4f& scale(FXfloat s);
00124   FXMat4f& scale(const FXVec3f& v);
00125 
00126   /// Determinant
00127   friend FXAPI FXfloat det(const FXMat4f& m);
00128 
00129   /// Transpose
00130   friend FXAPI FXMat4f transpose(const FXMat4f& m);
00131 
00132   /// Invert
00133   friend FXAPI FXMat4f invert(const FXMat4f& m);
00134 
00135   /// Save to a stream
00136   friend FXAPI FXStream& operator<<(FXStream& store,const FXMat4f& m);
00137 
00138   /// Load from a stream
00139   friend FXAPI FXStream& operator>>(FXStream& store,FXMat4f& m);
00140   };
00141 
00142 }
00143 
00144 #endif

Copyright © 1997-2004 Jeroen van der Zijp