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#pragma once
#include "geometry/distance.hpp"
#include "geometry/point2d.hpp"
#include "std/vector.hpp"
namespace search
{
struct ProjectionOnStreet
{
ProjectionOnStreet();
// Nearest point on the street to a given point.
m2::PointD m_proj;
// Distance in meters from a given point to |m_proj|.
double m_distMeters;
// Index of the street segment that |m_proj| belongs to.
size_t m_segIndex;
// When true, the point is located to the right from the projection
// segment, otherwise, the point is located to the left from the
// projection segment.
bool m_projSign;
};
class ProjectionOnStreetCalculator
{
public:
explicit ProjectionOnStreetCalculator(vector<m2::PointD> const & points);
// Finds nearest point on the street to the |point|. If such point
// is located within |m_maxDistMeters|, stores projection in |proj|
// and returns true. Otherwise, returns false and does not modify
// |proj|.
bool GetProjection(m2::PointD const & point, ProjectionOnStreet & proj) const;
private:
vector<m2::ProjectionToSection<m2::PointD>> m_segProjs;
};
} // namespace search
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