/*********************************************
 *
 * Cedric Pradalier
 * DEA 2000/2001 
 * INRIA Rhones Alpes
 * http://cedric.pradalier.free.fr/index.html
 * mail : http://cedric.pradalier.free.fr/mail.html
 *
 * *******************************************/
#include "Balise.h"
#include <math.h>
#include "vector2.h"
#include "Segment.h"
#include <multimap.h>
#include <pair.h>
#include <vector.h>

Balise::Balise(double X,double Y,double Portee,double theta,int num_edges)
{
    x = X;
    y = Y;
    visibility = new Polygon(X,Y,Portee,
            theta-M_PI/2,theta+M_PI/2,num_edges);
}
    

Balise::Balise(double X,double Y,double Portee,
        double alpha,double theta,int num_edges)
{
    x = X;
    y = Y;
    visibility = new Polygon(X,Y,Portee,
            theta-alpha/2,theta+alpha/2,num_edges);
}


void Balise::Read(FILE * fp) 
{
    fscanf(fp," %lf %lf \n",&x,&y);
//  printf("Balise : read %f %f\n",x,y);
    visibility->Read(fp);
}



Polygon* Balise::intersectWith(Polygon * P)
{
    Polygon * R = visibility->Intersection(P);
    delete visibility;
    visibility = R;
    return visibility;
}