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/* 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.
*
*/
#ifndef MATH_LINE2D_H
#define MATH_LINE2D_H
#include "math/vector2d.h"
namespace Math {
class Line2d {
public:
Line2d();
Line2d(const Vector2d &direction, const Vector2d &point);
Line2d getPerpendicular(const Vector2d &point = Vector2d()) const;
Vector2d getDirection() const;
float getDistanceTo(const Vector2d &point, Vector2d *intersection) const;
bool intersectsLine(const Line2d &line, Vector2d *pos) const;
bool containsPoint(const Vector2d &point) const;
float getYatX(float x) const;
friend Common::Debug &operator<<(Common::Debug &dbg, const Line2d &line);
private:
float _a, _b, _c;
};
class Segment2d {
public:
Segment2d();
Segment2d(const Vector2d &begin, const Vector2d &end);
Segment2d(const Segment2d &other);
Vector2d begin() const;
Vector2d end() const;
Vector2d middle() const;
Line2d getLine() const;
Line2d getPerpendicular(const Vector2d &point = Vector2d()) const;
bool containsPoint(const Vector2d &point) const;
bool intersectsLine(const Line2d &line, Vector2d *pos);
bool intersectsSegment(const Segment2d &line, Vector2d *pos);
Segment2d &operator=(const Segment2d &other);
private:
Math::Vector2d _begin, _end;
};
}
#endif
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