Plane.h

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#ifndef PLANE_H_
#define PLANE_H_

#include <memory>

#include "Vector.h"

class Plane {
        public:
                Plane(const Vector<>& aPoint, const Vector<>& aV1, const Vector<>& aV2);

                Plane(const Vector<>& aPoint, const Vector<>& aNormal);

                bool contains(const Vector<>& aPoint) const;

                Vector<> normal() const {
                        return mNormal;
                }

                enum PointClassification {
                        PLANE_FRONT,    
                        PLANE_COINCIDE, 
                        PLANE_BACK      
                };

                PointClassification classify(const Vector<>& aPoint) const;

                std::auto_ptr< Vector<> > intersect(const Vector<>& point, const Vector<>& dir) const;

                Plane& operator+=(const Vector<>& v) {
                        mPoint += v;
                        calcNP();
                        return *this;
                }


        private:
                Vector<> mPoint;
                Vector<> mNormal;

                void calcNP();

                float mNTimesP;
};


#endif

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