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/* ScummVM - Graphic Adventure Engine
*
* ScummVM 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 3 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, see <http://www.gnu.org/licenses/>.
*
*/
#include "math/vector2d.h"
#include "common/streamdebug.h"
namespace Math {
Vector2d::Matrix() :
MatrixType<2, 1>() {
}
Vector2d::Matrix(float x, float y) :
MatrixType<2, 1>() {
setValue(0, x);
setValue(1, y);
}
Vector2d::Matrix(const MatrixBase<2, 1> &vec) :
MatrixType<2, 1>(vec) {
}
Vector2d::Matrix(const float *data) :
MatrixType<2, 1>(data) {
}
void Vector2d::rotateAround(const Vector2d &point, const Angle &angle) {
*this -= point;
float cosa = angle.getCosine();
float sina = angle.getSine();
float x = value(0) * cosa - value(1) * sina;
value(1) = value(0) * sina + value(1) * cosa;
value(0) = x;
*this += point;
}
Angle Vector2d::getAngle() const {
return Angle::arcTangent2(getY(), getX());
}
Vector3d Vector2d::toVector3d() const {
Vector3d v(value(0), value(1), 0);
return v;
}
}
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