66 lines
1.7 KiB
C++
66 lines
1.7 KiB
C++
/* Residual - A 3D game interpreter
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*
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* Residual is the legal property of its developers, whose names
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* are too numerous to list here. Please refer to the COPYRIGHT
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* file distributed with this source distribution.
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Lesser General Public
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* License as published by the Free Software Foundation; either
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* version 2.1 of the License, or (at your option) any later version.
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Lesser General Public License for more details.
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* You should have received a copy of the GNU Lesser General Public
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* License along with this library; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*
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* $URL$
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* $Id$
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*/
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#include "math/matrix4.h"
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namespace Math {
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Matrix4::Matrix4() :
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Matrix(), Rotation3D(this) {
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}
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void Matrix4::transform(Vector3d *v, bool trans) const {
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Matrix<4, 1> m;
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m(0, 0) = v->x();
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m(1, 0) = v->y();
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m(2, 0) = v->z();
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m(3, 0) = (trans ? 1.f : 0.f);
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m = *this * m;
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v->set(m(0, 0), m(1, 0), m(2, 0));
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}
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Vector3d Matrix4::getPosition() const {
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return Vector3d(getValue(3, 0), getValue(3, 1), getValue(3, 2));
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}
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void Matrix4::setPosition(const Vector3d &v) {
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setValue(3, 0, v.x());
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setValue(3, 1, v.y());
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setValue(3, 2, v.z());
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}
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void Matrix4::translate(const Vector3d &vec) {
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Vector3d v(vec);
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transform(&v, false);
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operator()(3, 0) += v.x();
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operator()(3, 1) += v.y();
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operator()(3, 2) += v.z();
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}
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} // end of namespace Math
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