File indexing completed on 2024-04-21 03:40:38

 /*************************************************************************************
  *  Copyright (C) 2007-2009 by Aleix Pol <aleixpol@kde.org>                          *
  *  Copyright (C) 2010 by Percy Camilo T. Aucahuasi <percy.camilo.ta@gmail.com>      *
  *                                                                                   *
  *  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   *
  *************************************************************************************/
 
 #include "abstractspacecurve.h"
 #include "functiongraph.h"
 
 #include <cmath>
 #include <QVector3D>
 
 #include "analitza/analyzer.h"
 #include "analitza/value.h"
 #include "analitza/variable.h"
 
 #include "utils/mathutils.h"
 
 using namespace Analitza;
 
 using std::atan2;
 
 AbstractSpaceCurve::AbstractSpaceCurve(const Analitza::Expression& e, const QSharedPointer<Analitza::Variables>& v)
 : AbstractFunctionGraph(e, v)
 {}
 
 AbstractSpaceCurve::~AbstractSpaceCurve()
 {}
 
 bool AbstractSpaceCurve::addPoint(const QVector3D& p)
 {
     int count=points.count();
     if(count<2) {
         points.append(p);
         return false;
     }
     
     double angle1=std::atan2(points[count-1].y()-points[count-2].y(), points[count-1].x()-points[count-2].x());
     double angle2=std::atan2(p.y()-points[count-1].y(), p.x()-points[count-1].x());
     
     bool append=!isSimilar(angle1, angle2);
     if(append)
         points.append(p);
     else
         points.last()=p;
         
     return append;
 }