Vector2.h

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// This Source Code Form is subject to the terms of the Mozilla Public
// License, v. 2.0.If a copy of the MPL was not distributed with this
// file, You can obtain one at https ://mozilla.org/MPL/2.0/.
 
#ifndef VECTOR2_H
#define VECTOR2_H
 
extern "C" {
    typedef struct Vec2 {
        float x;
        float y;
 
    } Vec2;
}
 
struct Vector2 : Vec2 {
public:
    Vector2();
    Vector2(float x, float y);
    Vector2(Vec2 v);
 
    ~Vector2();
 
    const static Vector2 zero;
    const static Vector2 one;
    const static Vector2 right;
    const static Vector2 left;
    const static Vector2 up;
    const static Vector2 down;
    const static Vector2 forward;
    const static Vector2 back;
 
    static float Magnitude(const Vector2& vector);
    float magnitude() const;
    static float SqrMagnitude(const Vector2& vector);
    float sqrMagnitude() const;
    static Vector2 Normalize(Vector2 vector);
    Vector2 normalized() const;
 
    Vector2 operator-();
    Vector2 operator-(const Vector2& vector) const;
 
    Vector2 operator+(const Vector2& vector2) const;
 
    static Vector2 Scale(const Vector2& vector1, const Vector2& vector2);
    Vector2 operator*(float factor) const;
    Vector2 operator/(const float& factor);
 
    static float Dot(const Vector2& vector1, const Vector2& vector2);
 
    bool operator==(const Vector2& vector);
 
    static float Distance(const Vector2& vector1, const Vector2& vector2);
 
    static float Angle(Vector2 vector1, Vector2 vector2);
 
    static float SignedAngle(Vector2 from, Vector2 to);
 
    static Vector2 Rotate(Vector2 v, float angle);
 
    static Vector2 Lerp(Vector2 from, Vector2 to, float f);
 
    static float ToFactor(Vector2 a, Vector2 b);
};
 
#endif