gui/broken_edge.cc
changeset 1602 c0d7a9247963
parent 1601 70d169a8313a
child 1606 dc4ea2010dee
equal deleted inserted replaced
7:fea8a6e69a15 8:9a16c51b98a2
    43     }
    43     }
    44   else
    44   else
    45     {
    45     {
    46       //arrow keeps its position-left button
    46       //arrow keeps its position-left button
    47 
    47 
    48       //       if(p.size()==2)
    48       if(p.size()==2)
    49       // 	{
    49       	{
    50       // 	  Gnome::Canvas::Points points;
    50       	  Gnome::Canvas::Points points;
    51       // 	  my_points[0]=p[0];
    51       	  my_points[0]=p[0];
    52       // 	  my_points[2]=p[1];
    52       	  my_points[2]=p[1];
    53       // 	  for(int i=0;i<3;i++)
    53       	  for(int i=0;i<3;i++)
    54       // 	    {
    54       	    {
    55       // 	      points.push_back(my_points[i]);
    55       	      points.push_back(my_points[i]);
    56       // 	    }
    56       	    }
    57       // 	  property_points().set_value(points);
    57       	  property_points().set_value(points);
    58       // 	}
    58       	}
       
    59       set_arrow=true;
    59 
    60 
    60       //////////////////////////////////////////////////////////////////////////////////////////////////////
    61       //////////////////////////////////////////////////////////////////////////////////////////////////////
    61       /////////// kepps shape-with angles
    62       /////////// kepps shape-with angles
    62       //////////////////////////////////////////////////////////////////////////////////////////////////////
    63       //////////////////////////////////////////////////////////////////////////////////////////////////////
    63 
    64 
   182 
   183 
   183       //////////////////////////////////////////////////////////////////////////////////////////////////////
   184       //////////////////////////////////////////////////////////////////////////////////////////////////////
   184       /////////// kepps shape-with scalar multiplication
   185       /////////// kepps shape-with scalar multiplication
   185       //////////////////////////////////////////////////////////////////////////////////////////////////////
   186       //////////////////////////////////////////////////////////////////////////////////////////////////////
   186 
   187 
   187       if(p.size()==2)
   188 //       if(p.size()==2)
   188       	{
   189 //       	{
   189 	  //old vector from one to the other node - a
   190 // 	  //old vector from one to the other node - a
   190 	  xy<double> a_v(my_points[2].get_x()-my_points[0].get_x(),my_points[2].get_y()-my_points[0].get_y());
   191 // 	  xy<double> a_v(my_points[2].get_x()-my_points[0].get_x(),my_points[2].get_y()-my_points[0].get_y());
   191 	  //new vector from one to the other node - b
   192 // 	  //new vector from one to the other node - b
   192 	  xy<double> b_v(p[1].get_x()-p[0].get_x(),p[1].get_y()-p[0].get_y());
   193 // 	  xy<double> b_v(p[1].get_x()-p[0].get_x(),p[1].get_y()-p[0].get_y());
   193 
   194 
   194 	  //old vector from one node to the breakpoint - c
   195 // 	  //old vector from one node to the breakpoint - c
   195 	  xy<double> c_v(my_points[1].get_x()-my_points[0].get_x(),my_points[1].get_y()-my_points[0].get_y());
   196 // 	  xy<double> c_v(my_points[1].get_x()-my_points[0].get_x(),my_points[1].get_y()-my_points[0].get_y());
   196 
   197 
   197 	  //new vector from one node to the breakpoint - d - we have to calculate this one
   198 // 	  //new vector from one node to the breakpoint - d - we have to calculate this one
   198 	  xy<double> d_v;
   199 // 	  xy<double> d_v;
   199 
   200 
   200 	  //scalar product of a and b (old and new vector from first point to the other)
   201 // 	  //scalar product of a and b (old and new vector from first point to the other)
   201 	  double sab=a_v*b_v;
   202 // 	  double sab=a_v*b_v;
   202 	  //scalar product of c and d (old and new vector from first point to breakpoint)
   203 // 	  //scalar product of c and d (old and new vector from first point to breakpoint)
   203 	  double scd=sab*c_v.normSquare()/a_v.normSquare();
   204 // 	  double scd=sab*c_v.normSquare()/a_v.normSquare();
   204 
   205 
   205 	  std::cout<<" a " << a_v<<" b " <<b_v<<" c " <<c_v<<" sab " <<sab<<" scd "<<scd<<std::endl;
   206 // 	  std::cout<<" a " << a_v<<" b " <<b_v<<" c " <<c_v<<" sab " <<sab<<" scd "<<scd<<std::endl;
   206 
   207 
   207 	  double a=c_v.normSquare();
   208 // 	  double a=c_v.normSquare();
   208 	  double b=2*scd*c_v.y;
   209 // 	  double b=2*scd*c_v.y;
   209 	  double c=scd*scd-b_v.normSquare()/a_v.normSquare()*c_v.normSquare()*c_v.x*c_v.x;
   210 // 	  double c=scd*scd-b_v.normSquare()/a_v.normSquare()*c_v.normSquare()*c_v.x*c_v.x;
   210 
   211 
   211 	  std::cout<<" a " << a<<" b " <<b<<" c " <<c<<std::endl;
   212 // 	  std::cout<<" a " << a<<" b " <<b<<" c " <<c<<std::endl;
   212 
   213 
   213 	  d_v.y=(-b-sqrt(b*b-4*a*c))/2/a;
   214 // 	  d_v.y=(-b-sqrt(b*b-4*a*c))/2/a;
   214 
   215 
   215 	  if(c_v.x!=0)
   216 // 	  if(c_v.x!=0)
   216 	    {
   217 // 	    {
   217 	      d_v.x=(scd-c_v.y*d_v.y)/c_v.x;
   218 // 	      d_v.x=(scd-c_v.y*d_v.y)/c_v.x;
   218 	    }
   219 // 	    }
   219 	  else
   220 // 	  else
   220 	    {
   221 // 	    {
   221 	      d_v.x=my_points[1].get_x();
   222 // 	      d_v.x=my_points[1].get_x();
   222 	    }
   223 // 	    }
   223 
   224 
   224 	  std::cout<<" d " << d_v<<std::endl;
   225 // 	  std::cout<<" d " << d_v<<std::endl;
   225 
   226 
   226 	  my_points[1]=Gnome::Art::Point(d_v.x+p[0].get_x(),d_v.y+p[0].get_y());
   227 // 	  my_points[1]=Gnome::Art::Point(d_v.x+p[0].get_x(),d_v.y+p[0].get_y());
   227 
   228 
   228 	  Gnome::Canvas::Points points;
   229 // 	  Gnome::Canvas::Points points;
   229 	  for(int i=0;i<3;i++)
   230 // 	  for(int i=0;i<3;i++)
   230 	    {
   231 // 	    {
   231 	      points.push_back(my_points[i]);
   232 // 	      points.push_back(my_points[i]);
   232 	    }
   233 // 	    }
   233 	  property_points().set_value(points);
   234 // 	  property_points().set_value(points);
   234 	}
   235 // 	}
   235     }
   236     }
   236   if(set_arrow)
   237   if(set_arrow)
   237     {
   238     {
   238       //calculating coordinates of the direction indicator arrow
   239       //calculating coordinates of the direction indicator arrow
   239 
   240