src/SplitPlane.h

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#ifndef SPLITPLANE_H
#define SPLITPLANE_H


#include "Axis.h"


enum Side
{
    S_LEFT  = 0,
    S_BOTH  = 1,
    S_RIGHT = 2
};


class SplitPlane
{
public:
    SplitPlane()
        : mPosition(INFINITY),
            mDirection(NO_AXIS),
            mSide(S_BOTH)
    {
    }

    SplitPlane(float pos, Axis dir)
        : mPosition(pos),
            mDirection(dir),
            mSide(S_BOTH)
    {
    }

    bool operator<(const SplitPlane & other) const
    {
        if (this == &other || mPosition > other.mPosition - EPSILON)
            return false;
        return (mPosition < other.mPosition - EPSILON) || (mDirection < other.mDirection);
    }

    float position() const
    {
        return mPosition;
    }

    Axis direction() const
    {
        return mDirection;
    }

    Side side() const
    {
        return mSide;
    }

    void setSide(Side primSide)
    {
        mSide = primSide;
    }

private:
    float   mPosition;

    Axis    mDirection;

    Side    mSide;
};

#endif

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