scummvm/math/vector3d.cpp
2021-04-05 23:08:48 +02:00

58 lines
1.6 KiB
C++

/* ResidualVM - A 3D game interpreter
*
* ResidualVM is the legal property of its developers, whose names
* are too numerous to list here. Please refer to the COPYRIGHT
* file distributed with this source distribution.
*
* 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.
*
* 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*
*/
#include "common/streamdebug.h"
#include "math/vector3d.h"
namespace Math {
Vector3d::Matrix() :
MatrixType<3, 1>() {
}
Vector3d::Matrix(float lx, float ly, float lz) :
MatrixType<3, 1>() {
x() = lx;
y() = ly;
z() = lz;
}
Vector3d::Matrix(const MatrixBase<3, 1> &vec) :
MatrixType<3, 1>(vec) {
}
Vector3d::Matrix(const float *data) :
MatrixType<3, 1>(data) {
}
void Vector3d::set(float lx, float ly, float lz) {
x() = lx; y() = ly; z() = lz;
}
// Get the angle a vector is around the unit circle
// (ignores z-component)
Angle Vector3d::unitCircleAngle() const {
return Angle::arcTangent2(y(), x());
}
} // end of namespace Math