E:/Programming/MyProject/K_Game_hg/GameEngine/include/core/Vector2d.h

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// Copyright 2006-2011 by Kat'Oun

#ifndef _VECTOR_2D_H_
#define _VECTOR_2D_H_

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

namespace core
{

class ENGINE_PUBLIC_EXPORT vector2d
{
public:

        vector2d();
        vector2d(f32 nx, f32 ny);
        vector2d(const vector2d& other);

        vector2d operator-() const;

        vector2d& operator=(const vector2d& other);

        vector2d operator+(const vector2d& other) const;
        vector2d& operator+=(const vector2d& other);

        vector2d operator-(const vector2d& other) const;
        vector2d& operator-=(const vector2d& other);

        vector2d operator*(const vector2d& other) const;
        vector2d& operator*=(const vector2d& other);
        vector2d operator*(const f32 v) const;
        vector2d& operator*=(const f32 v);

        vector2d operator/(const vector2d& other) const;
        vector2d& operator/=(const vector2d& other);
        vector2d operator/(const f32 v) const;
        vector2d& operator/=(const f32 v);

        bool operator==(const vector2d& other) const;
        bool operator!=(const vector2d& other) const;

        void invert();

        vector2d& normalize();

        void set(const f32& nx, const f32& ny);
        void set(const vector2d& other);

        f32* get();
        const f32* get() const;

        f32 getLength() const;

        f32 getLengthSQ() const;

        void setLength(f32 newLength);

        f32 dotProduct(const vector2d& other) const;

        f32 getDistanceFrom(const vector2d& other) const;

        f32 getDistanceFromSQ(const vector2d& other) const;

        void rotateBy(f32 degrees, const vector2d& center);

        f32 getAngleTrig() const;

        f32 getAngle() const;

        f32 getAngleWith(const vector2d& b) const;

        static const vector2d ORIGIN_2D;

        f32 X, Y;
};

} // end namespace core

#endif