blender/source/kernel/gen_system/GEN_Matrix4x4.h
2002-12-27 13:11:01 +00:00

80 lines
2.1 KiB
C++

/**
* $Id$
*
* ***** BEGIN GPL/BL DUAL LICENSE BLOCK *****
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version. The Blender
* Foundation also sells licenses for use in proprietary software under
* the Blender License. See http://www.blender.org/BL/ for information
* about this.
*
* This program 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software Foundation,
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*
* The Original Code is Copyright (C) 2001-2002 by NaN Holding BV.
* All rights reserved.
*
* The Original Code is: all of this file.
*
* Contributor(s): none yet.
*
* ***** END GPL/BL DUAL LICENSE BLOCK *****
*/
#ifndef GEN_MATRIX4X4
#define GEN_MATRIX4X4
#include "MT_Point3.h"
class GEN_Matrix4x4
{
public:
// creators.
GEN_Matrix4x4();
GEN_Matrix4x4(const float value[4][4]);
GEN_Matrix4x4(const double value[16]);
GEN_Matrix4x4(const GEN_Matrix4x4 & other);
GEN_Matrix4x4(const MT_Point3& orig,
const MT_Vector3& dir,
const MT_Vector3 up);
void Identity();
void SetMatrix(const GEN_Matrix4x4 & other);
double* getPointer();
const double* getPointer() const;
void setElem(int pos,double newvalue);
MT_Vector3 GetRight() const;
MT_Vector3 GetUp() const;
MT_Vector3 GetDir() const;
MT_Point3 GetPos() const;
void SetPos(const MT_Vector3 & v);
double& operator () (int row,int col) { return m_V[col][row]; }
static GEN_Matrix4x4 Perspective(MT_Scalar inLeft,
MT_Scalar inRight,
MT_Scalar inBottom,
MT_Scalar inTop,
MT_Scalar inNear,
MT_Scalar inFar);
protected:
union
{
double m_V[4][4];
double m_Vflat[16];
};
};
#endif //GEN_MATRIX4X4