DtRotorWashTrailPoints.h

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/*******************************************************************************
** Copyright (c) 2020 VT MAK
** All rights reserved.
*******************************************************************************/


#pragma once

#include <vrvCore/vrvCore.h>

#include <matrix/vlVector.h>
#include <matrix/vlTaitBryan.h>
#include <vlutil/vlTime.h>

#include <deque>

namespace makVrv
{
    // Represents a point for keeping track of
    // the rotorwash trail (so the rotorwash can
    // lag behind the helicopter based on height
    // and velocity)
    class DT_DLL_VRVCORE DtRotorWashTrailPoint
    {
    public:
       DtRotorWashTrailPoint();

       DtRotorWashTrailPoint(DtTime time, DtVector heliPos, DtVector groundPos);

       ~DtRotorWashTrailPoint();;

       const DtTime& time() const;
       const DtVector& groundPos() const;
       const DtVector& heliPos() const;
       const float& prevDist() const;
       void setPrevDist(float dist);

    protected:
       DtTime myTime;
       DtVector myGroundPos;
       DtVector myHeliPos;
       float myDistToPrevPoint;
    };


    class DT_DLL_VRVCORE DtRotorWashTrailPoints
    {
    public:
       DtRotorWashTrailPoints();

       DtRotorWashTrailPoints(int maxPoints);

       ~DtRotorWashTrailPoints();

       void reset();

       void addPoint(const DtRotorWashTrailPoint& p);

       const int numPoints() const;

       DtTime timeRange();

       bool isTimeInRange(DtTime time);

       void getPosAtTimeOffset(DtTime timeOffset, DtVector& heliPos, DtVector& groundPos) const;

       void getPosAtDistOffset(float distOffset, DtVector& heliPos, DtVector& groundPos) const;

       void printPoints() const;

       const float& totalGroundDist() const;

       const int& maxPoints() const;

    protected:
       std::deque<DtRotorWashTrailPoint> myTrailPts;
       int myMaxPoints;
       // total distance covered by the points
       float myTotalGroundDist;
    };

}