massive cleaning of file section headers

[physics.git] / src / Vector2.h

#ifndef VECTOR2_H
#define VECTOR2_H

#include <string>

using std::string;

/// ***** Header Class *****
class Vector2
{
  public:
    float x;
    float y;

    Vector2();
    Vector2(float, float);
    Vector2(const Vector2&);
    ~Vector2();

    void zero();
    void unit();

    float angle() const;
    float length() const;

    Vector2 add(const Vector2&) const;
    Vector2 subtract(const Vector2&) const;
    Vector2 divide(float) const;
    Vector2 multiply(float) const;

    string toString() const;
    void print() const;
};

/// ***** Header Methods *****

// definitions of the operators are external because (float, Vector2) would
// fail inside the class

Vector2 operator+(const Vector2&, const Vector2&);
Vector2 operator-(const Vector2&, const Vector2&);
Vector2 operator*(float, const Vector2&);
Vector2 operator*(const Vector2&, float);
Vector2 operator/(const Vector2&, float);

void operator+=(Vector2&, const Vector2&);
void operator-=(Vector2&, const Vector2&);
void operator*=(Vector2&, float);
void operator/=(Vector2&, float);

#endif // VECTOR2_H