Vector2D.h

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#pragma once
 
class Vector2D {
protected:
    float x, y;
public:
    Vector2D();
    Vector2D(float x);
    Vector2D(float x, float y);
 
    float getX();
    float getY();
 
    Vector2D negate();
    Vector2D add(Vector2D v);
    Vector2D sub(Vector2D v);
    Vector2D mul(Vector2D v);
};