mirror of
https://codeberg.org/comaps/comaps
synced 2025-12-19 13:03:36 +00:00
e3e4a1985a
To expand with full Organic Maps and Maps.ME commits history run: git remote add om-historic [om-historic.git repo url] git fetch --tags om-historic git replace squashed-history historic-commits
44 lines
1.6 KiB
C++
44 lines
1.6 KiB
C++
#pragma once
|
|
|
|
#include "geometry/point2d.hpp"
|
|
|
|
#include <queue>
|
|
|
|
namespace routing
|
|
{
|
|
/// \brief This class accumulates a track of some number of last gps positions.
|
|
/// The track is used to calculate the direction of an end user.
|
|
class PositionAccumulator
|
|
{
|
|
public:
|
|
// Several last gps positions are accumulating in |PositionAccumulator::m_points|.
|
|
// The last position (the last point from |m_points|) may be removed if after the removing it
|
|
// the length of the all track will be more than |kMinTrackLengthM|.
|
|
static double constexpr kMinTrackLengthM = 70.0;
|
|
|
|
// All segments which are shorter than |kMinValidSegmentLengthM| are not added to the track.
|
|
static double constexpr kMinValidSegmentLengthM = 10.0;
|
|
|
|
// If a segment is longer then |kMaxValidSegmentLengthM|
|
|
// all the content of |m_points| is removed and the current point is added to track.
|
|
static double constexpr kMaxValidSegmentLengthM = 80.0;
|
|
|
|
void PushNextPoint(m2::PointD const & point);
|
|
void Clear();
|
|
|
|
/// \returns direction or {0.0, 0.0} if |m_points| is empty or contains only one item.
|
|
m2::PointD GetDirection() const;
|
|
|
|
// Getters for testing this class.
|
|
std::deque<m2::PointD> const & GetPointsForTesting() const { return m_points; }
|
|
double GetTrackLengthMForTesting() const { return m_trackLengthM; }
|
|
|
|
private:
|
|
// There's the current position at the end. At the beginning there's the last position of the track.
|
|
// The distance between them is more or equal than |kMinTrackLengthM| if there're enough points in
|
|
// |m_points|.
|
|
std::deque<m2::PointD> m_points;
|
|
double m_trackLengthM = 0.0;
|
|
};
|
|
} // routing
|