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insilmaril@139
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#include <math.h>
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insilmaril@139
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insilmaril@0
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#include <qregexp.h>
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insilmaril@792
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//#include <qpoint.h>
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insilmaril@164
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#include <stdlib.h>
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insilmaril@0
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insilmaril@0
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#include "misc.h"
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insilmaril@0
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insilmaril@792
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#include "geometry.h"
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insilmaril@792
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insilmaril@129
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QString qpointToString (const QPoint &p)
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insilmaril@792
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{ return "(" + QString("%1").arg(p.x()) +","+ QString ("%1").arg (p.y()) +")"; }
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insilmaril@0
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insilmaril@792
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QString qpointFToString (const QPointF &p)
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insilmaril@792
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{ return "(" + QString("%1").arg(p.x()) +","+ QString ("%1").arg (p.y()) +")"; }
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insilmaril@792
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insilmaril@792
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QString VectorToString (const Vector &p)
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insilmaril@792
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{ return "(" + QString("%1").arg(p.x()) +","+ QString ("%1").arg (p.y()) +")"; }
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insilmaril@408
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insilmaril@0
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ostream &operator<< (ostream &stream, QPoint const &p)
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insilmaril@0
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{
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insilmaril@366
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stream << "("<<p.x()<<","<<p.y()<<")";
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insilmaril@366
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return stream;
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insilmaril@0
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}
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insilmaril@0
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insilmaril@408
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ostream &operator<< (ostream &stream, QPointF const &p)
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insilmaril@408
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{
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insilmaril@408
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stream << "("<<p.x()<<","<<p.y()<<")";
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insilmaril@408
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return stream;
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insilmaril@408
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}
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insilmaril@408
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insilmaril@792
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ostream &operator<< (ostream &stream, Vector const &p)
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insilmaril@792
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{
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insilmaril@792
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stream << "("<<p.x()<<","<<p.y()<<")";
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insilmaril@792
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return stream;
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insilmaril@792
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}
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insilmaril@792
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insilmaril@408
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qreal getAngle(const QPointF &p)
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insilmaril@0
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{
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insilmaril@0
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// Calculate angle of vector to y-axis
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insilmaril@0
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if (p.y()==0)
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insilmaril@0
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{
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insilmaril@0
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if (p.x()>=0)
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insilmaril@0
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return M_PI_2;
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insilmaril@0
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else
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insilmaril@0
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return 3* M_PI_2;
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insilmaril@0
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} else
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insilmaril@0
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{
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insilmaril@0
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if (p.y()>0)
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insilmaril@408
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return (qreal)(M_PI - atan ( (qreal)(p.x()) / (qreal)(p.y()) ) );
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insilmaril@0
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else
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insilmaril@0
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if (p.x()<0)
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insilmaril@408
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return (qreal)( 2*M_PI - atan ( (qreal)(p.x()) / (qreal)(p.y()) ) );
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insilmaril@0
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else
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insilmaril@408
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return (qreal)( - atan ( (qreal)(p.x()) / (qreal)(p.y()) ) );
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insilmaril@0
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}
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insilmaril@0
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}
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insilmaril@0
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insilmaril@408
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qreal max(qreal a, qreal b)
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insilmaril@0
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{
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insilmaril@0
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if (a>b)
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insilmaril@0
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return a;
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insilmaril@0
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return b;
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insilmaril@0
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}
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insilmaril@0
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