E:/Programming/MyProject/K_Game_hg/GameEngine/include/core/Line3d.h

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// Copyright 2006-2011 by Kat'Oun

#ifndef _LINE_3D_H_
#define _LINE_3D_H_

#include <EngineConfig.h>
#include <core/Types.h>
#include <core/Vector3d.h>

namespace core
{

class ENGINE_PUBLIC_EXPORT line3d
{
public:

        line3d();
        line3d(f32 xa, f32 ya, f32 za, f32 xb, f32 yb, f32 zb);
        line3d(const vector3d& nstart, const vector3d& nend);
        line3d(const line3d& other);

        line3d operator+(const vector3d& point) const;
        line3d& operator+=(const vector3d& point);

        line3d operator-(const vector3d& point) const;
        line3d& operator-=(const vector3d& point);

        bool operator==(const line3d& other) const;
        bool operator!=(const line3d& other) const;

        void set(const f32& xa, const f32& ya, const f32& za, const f32& xb, const f32& yb, const f32& zb);
        void set(const vector3d& nstart, const vector3d& nend);
        void set(const line3d& other);

        f32 getLength() const;

        f32 getLengthSQ() const;

        vector3d getMiddle() const;

        vector3d getVector() const;

        bool isPointBetweenStartAndEnd(const vector3d& point) const;

        vector3d getClosestPoint(const vector3d& point) const;

        // member variables
        vector3d start;
        vector3d end;
};

} // end namespace core

#endif