diff options
Diffstat (limited to 'intern/moto/intern/MT_CmMatrix4x4.cpp')
| -rwxr-xr-x | intern/moto/intern/MT_CmMatrix4x4.cpp | 237 |
1 files changed, 237 insertions, 0 deletions
diff --git a/intern/moto/intern/MT_CmMatrix4x4.cpp b/intern/moto/intern/MT_CmMatrix4x4.cpp new file mode 100755 index 00000000000..0cc830980a0 --- /dev/null +++ b/intern/moto/intern/MT_CmMatrix4x4.cpp @@ -0,0 +1,237 @@ +/** + * $Id$ + * ***** 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 ***** + */ + +/** + * $Id$ + * ***** 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 ***** + */ + + +#include "MT_CmMatrix4x4.h" +#include "MT_Vector3.h" +#include "MT_Point3.h" + + +MT_CmMatrix4x4::MT_CmMatrix4x4() +{ + Identity(); +} + + + +MT_CmMatrix4x4::MT_CmMatrix4x4(const float value[4][4]) +{ + for (int i=0;i<4;i++) + { + for (int j=0;j<4;j++) + m_V[i][j] = value[i][j]; + } +} + + + +MT_CmMatrix4x4::MT_CmMatrix4x4(const double value[16]) +{ + for (int i=0;i<16;i++) + m_Vflat[i] = value[i]; +} + + + +MT_CmMatrix4x4::MT_CmMatrix4x4(const MT_CmMatrix4x4& other) +{ + SetMatrix(other); +} + + + +MT_CmMatrix4x4::MT_CmMatrix4x4(const MT_Point3& orig, + const MT_Vector3& dir, + const MT_Vector3 up) +{ + MT_Vector3 z = -(dir.normalized()); + MT_Vector3 x = (up.cross(z)).normalized(); + MT_Vector3 y = (z.cross(x)); + + m_V[0][0] = x.x(); + m_V[0][1] = y.x(); + m_V[0][2] = z.x(); + m_V[0][3] = 0.0f; + + m_V[1][0] = x.y(); + m_V[1][1] = y.y(); + m_V[1][2] = z.y(); + m_V[1][3] = 0.0f; + + m_V[2][0] = x.z(); + m_V[2][1] = y.z(); + m_V[2][2] = z.z(); + m_V[2][3] = 0.0f; + + m_V[3][0] = orig.x();//0.0f; + m_V[3][1] = orig.y();//0.0f; + m_V[3][2] = orig.z();//0.0f; + m_V[3][3] = 1.0f; + + //Translate(-orig); +} + + + +MT_Vector3 MT_CmMatrix4x4::GetRight() const +{ + return MT_Vector3(m_V[0][0], m_V[0][1], m_V[0][2]); +} + + + +MT_Vector3 MT_CmMatrix4x4::GetUp() const +{ + return MT_Vector3(m_V[1][0], m_V[1][1], m_V[1][2]); +} + + + +MT_Vector3 MT_CmMatrix4x4::GetDir() const +{ + return MT_Vector3(m_V[2][0], m_V[2][1], m_V[2][2]); +} + + + +MT_Point3 MT_CmMatrix4x4::GetPos() const +{ + return MT_Point3(m_V[3][0], m_V[3][1], m_V[3][2]); +} + + + +void MT_CmMatrix4x4::Identity() +{ + for (int i=0; i<4; i++) + { + for (int j=0; j<4; j++) + m_V[i][j] = (i==j?1.0f:0.0f); + } +} + + + +void MT_CmMatrix4x4::SetMatrix(const MT_CmMatrix4x4& other) +{ + for (int i=0; i<16; i++) + m_Vflat[i] = other.m_Vflat[i]; +} + + + +double* MT_CmMatrix4x4::getPointer() +{ + return &m_V[0][0]; +} + + + +const double* MT_CmMatrix4x4::getPointer() const +{ + return &m_V[0][0]; +} + + + +void MT_CmMatrix4x4::setElem(int pos,double newvalue) +{ + m_Vflat[pos] = newvalue; +} + +MT_CmMatrix4x4 MT_CmMatrix4x4::Perspective( + MT_Scalar inLeft, + MT_Scalar inRight, + MT_Scalar inBottom, + MT_Scalar inTop, + MT_Scalar inNear, + MT_Scalar inFar +){ + + MT_CmMatrix4x4 mat; + + // Column 0 + mat(0, 0) = -(2.0*inNear) / (inRight-inLeft); + mat(1, 0) = 0; + mat(2, 0) = 0; + mat(3, 0) = 0; + + // Column 1 + mat(0, 1) = 0; + mat(1, 1) = (2.0*inNear) / (inTop-inBottom); + mat(2, 1) = 0; + mat(3, 1) = 0; + + // Column 2 + mat(0, 2) = (inRight+inLeft) / (inRight-inLeft); + mat(1, 2) = (inTop+inBottom) / (inTop-inBottom); + mat(2, 2) = -(inFar+inNear) / (inFar-inNear); + mat(3, 2) = -1; + + // Column 3 + mat(0, 3) = 0; + mat(1, 3) = 0; + mat(2, 3) = -(2.0*inFar*inNear) / (inFar-inNear); + mat(3, 3) = 0; + + return mat; +} |