scummvm/graphics/vector2d.h

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2011-08-30 18:38:33 +02:00
/* Residual - A 3D game interpreter
*
* Residual 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 library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library 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
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*
* $URL$
* $Id$
*/
#ifndef GRAPHICS_VECTOR2D_H
#define GRAPHICS_VECTOR2D_H
#include "graphics/vector3d.h"
namespace Graphics {
class Vector2d {
public:
Vector2d();
Vector2d(float x, float y);
Vector2d(const Vector2d &vec);
Vector2d &operator=(const Vector2d &vec);
void normalize();
Vector2d getNormalized() const;
void rotateAround(const Vector2d &point, float angle);
float getAngle() const;
float getMagnitude() const;
float getDistanceTo(const Vector2d &point) const;
Vector3d toVector3d() const;
// private:
float _x;
float _y;
};
inline Vector2d operator-(const Vector2d& v1, const Vector2d& v2) {
Vector2d result(v1._x - v2._x, v1._y - v2._y);
return result;
}
inline Vector2d operator+(const Vector2d &v1, const Vector2d &v2) {
Vector2d result(v1._x + v2._x, v1._y + v2._y);
return result;
}
inline Vector2d operator*(const Vector2d &v1, float factor) {
Vector2d result(v1._x * factor, v1._y * factor);
return result;
}
inline Vector2d operator/(const Vector2d &v1, float factor) {
Vector2d result(v1._x / factor, v1._y / factor);
return result;
}
inline Vector2d operator-(const Vector2d &v) {
return Vector2d(-v._x, -v._y);
}
}
#endif