scummvm/graphics/matrix4.h
2009-10-04 10:58:28 +00:00

66 lines
1.5 KiB
C++

/* Residual - A 3D game interpreter
*
* Residual is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the AUTHORS
* file distributed with this source distribution.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*
* $URL$
* $Id$
*/
#ifndef GRAPHICS_MATRIX4_H
#define GRAPHICS_MATRIX4_H
#include "graphics/matrix3.h"
namespace Graphics {
// matrix 4 is a rotation matrix + position
class Matrix4 {
public:
Matrix3 _rot;
Vector3d _pos;
Matrix4();
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:
};
} // end of namespace Graphics
#endif