Line2D.h

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00001 /****************************************************************************/
00007 //
00008 /****************************************************************************/
00009 // SUMO, Simulation of Urban MObility; see http://sumo.sourceforge.net/
00010 // Copyright 2001-2010 DLR (http://www.dlr.de/) and contributors
00011 /****************************************************************************/
00012 //
00013 //   This program is free software; you can redistribute it and/or modify
00014 //   it under the terms of the GNU General Public License as published by
00015 //   the Free Software Foundation; either version 2 of the License, or
00016 //   (at your option) any later version.
00017 //
00018 /****************************************************************************/
00019 #ifndef Line2D_h
00020 #define Line2D_h
00021 
00022 
00023 // ===========================================================================
00024 // included modules
00025 // ===========================================================================
00026 #ifdef _MSC_VER
00027 #include <windows_config.h>
00028 #else
00029 #include <config.h>
00030 #endif
00031 
00032 #include "Position2D.h"
00033 #include <utils/common/VectorHelper.h>
00034 
00035 
00036 // ===========================================================================
00037 // class declarations
00038 // ===========================================================================
00039 class Position2DVector;
00040 
00041 
00042 // ===========================================================================
00043 // class definitions
00044 // ===========================================================================
00048 class Line2D {
00049 public:
00050     Line2D();
00051     Line2D(const Position2D &p1, const Position2D &p2);
00052     ~Line2D();
00053     void extrapolateBy(SUMOReal length);
00054     void extrapolateFirstBy(SUMOReal length);
00055     void extrapolateSecondBy(SUMOReal length);
00056     const Position2D &p1() const;
00057     const Position2D &p2() const;
00058     Position2D getPositionAtDistance(SUMOReal offset) const;
00059     void move2side(SUMOReal amount);
00060     DoubleVector intersectsAtLengths(const Position2DVector &v);
00061     SUMOReal intersectsAtLength(const Line2D &v);
00062     SUMOReal atan2Angle() const;
00063     SUMOReal atan2DegreeAngle() const;
00064     SUMOReal atan2PositiveAngle() const;
00065     bool intersects(const Line2D &l) const;
00066     Position2D intersectsAt(const Line2D &l) const;
00067     SUMOReal length() const;
00068     void add(SUMOReal x, SUMOReal y);
00069     void add(const Position2D &p);
00070     void sub(SUMOReal x, SUMOReal y);
00071     Line2D &reverse();
00072     void rotateAtP1(SUMOReal rot);
00073     void rotateAround(const Position2D &at, SUMOReal rot);
00074 
00075 private:
00076     Position2D myP1, myP2;
00077 };
00078 
00079 
00080 #endif
00081 
00082 /****************************************************************************/
00083 

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