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Brown.hpp

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#ifndef RISE_SCENARIO_MOBILITY_BROWN_HPP
#define RISE_SCENARIO_MOBILITY_BROWN_HPP

#include <RISE/scenario/mobility/Mobility.hpp>
#include <WNS/geometry/AxisParallelRectangle.hpp>

#include <WNS/distribution/Uniform.hpp>

namespace wns { namespace distribution {
    class Distribution;
} // distribution
} // wns

namespace rise { namespace scenario { namespace mobility {

    class BrownianBase :
        public Mobility
    {
    public:
        explicit
        BrownianBase(const wns::pyconfig::View& mobilityView);

        virtual
        ~BrownianBase();

        virtual void
        move();

        virtual void
        periodically();

    protected:
        void
        newVelocityVector();

        virtual bool
        checkBounds(const wns::Position& pos) const = 0;

        wns::distribution::Distribution* velocityDistribution;

        wns::distribution::Uniform* angleDistribution;

        wns::distribution::StandardUniform* updateProbability;

        wns::PositionOffset velocityVector;

        void
        fetchObstructionList(const wns::pyconfig::View& config);

        std::list<wns::geometry::AxisParallelRectangle> obstructionList;

        virtual bool
        isObstructed(const wns::Position& pos) const;
    private:
        void
        initRNGs();
    };

    class BrownianRect :
        public BrownianBase
    {
    public:
        explicit
        BrownianRect(const wns::pyconfig::View& mobilityView);

    protected:
        virtual bool
        checkBounds(const wns::Position& pos) const;

    private:
        double xmin, ymin, xmax, ymax;
    };

    class BrownianCirc :
        public BrownianBase
    {
    public:
        explicit
        BrownianCirc(const wns::pyconfig::View& mobilityView);

    protected:
        virtual bool
        checkBounds(const wns::Position& pos) const;

    private:
        wns::Position center;

        double maxDistance;
        
        int nSectors;
    }; // BrownianCirc

    class BrownianEquiangularPolygon :
        public BrownianBase
    {
    public:
        explicit
        BrownianEquiangularPolygon(const wns::pyconfig::View& mobilityView);

    protected:
        virtual bool
        checkBounds(const wns::Position& pos) const;

    private:
        wns::Position center;

        double maxDistance;

        int corners;

        double angle;
    }; // BrownianEquiangularPolygon

} // mobility
} // scenario
} // rise

#endif  // RISE_SCENARIO_MOBILITY_BROWN_HPP

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