scummvm/matrix4.h
2003-08-28 02:01:48 +00:00

61 lines
1.4 KiB
C++

// Residual - Virtual machine to run LucasArts' 3D adventure games
// Copyright (C) 2003 The ScummVM-Residual Team (www.scummvm.org)
//
// This library is free software; you can redistribute it and/or
// modify it under the terms of the GNU Lesser General Public
// License as published by the Free Software Foundation; either
// version 2.1 of the License, or (at your option) any later version.
//
// This library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
// Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public
// License along with this library; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
#ifndef MATRIX4_HH
#define MATRIX4_HH
#include "vector3d.h"
#include "matrix3.h"
// matrix 4 is a rotation matrix + position
class Matrix4{
public:
Matrix3 rot_;
Vector3d pos_;
Matrix4( void );
Matrix4& operator =(const Matrix4& s)
{
pos_ = s.pos_;
rot_ = s.rot_;
return *this;
}
Matrix4& operator *=(const Matrix4& s)
{
Vector3d v;
v = s.pos_;
rot_.transform( v );
pos_+=v;
rot_ *= s.rot_;
return *this;
}
void translate( float x, float y, float z );
private:
};
#endif // MATRIX_HH