src/lib/vector.hpp

//
// AutoCoast: Automatic Coastline scenery generator for Flight Simulator
//
// Copyright (c) 2004, Takuya Murakami. All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
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//
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// vector.hpp : 2D vector class

#ifndef _VECTOR_HPP
#define _VECTOR_HPP

#include "gpc.hpp"

class Vector
{
public:
        double  x;
        double  y;

public:
        inline Vector(void) { set(0.0, 0.0); }
        inline Vector(double xx, double yy) { set(xx, yy); }
        inline Vector(const Vector &v) { set(v.x, v.y); }

        inline void set(double xx, double yy) { x = xx; y = yy; }

        void set(gpc_vertex *f, gpc_vertex *t = NULL);

        Vector operator+ (const Vector &v) const;
        Vector operator- (const Vector &v) const;
        Vector operator* (double m) const;
        Vector operator/ (double m) const;

        Vector normalize(void) const;

        double InnerProduct(const Vector &v) const;
        double OuterProduct(const Vector &v) const;

        double Angle(const Vector &target) const;
};

#endif