MGP Assignment 1

// Vector2D class
public class Vector2D {
    double x, y;
    Vector2D(){
        x = y = 0;
    };
    Vector2D(double _x, double _y){
        x = _x;
        y = _y;
    };
    double Length(){
        return Math.sqrt(x*x + y*y);
    };
    Vector2D add(Vector2D v) {
        return new Vector2D(x + v.x, y + v.y);
    };
    Vector2D minus(Vector2D v) {
        return new Vector2D(x - v.x, y - v.y);
    };
    void normalize(){
        double len = Length();
        if( len != 0 )
        {
            x /= len;
            y /= len;
        }
    };
    void setLength(double value)
    {
        normalize();
        x *= value;
        y *= value;
    };
    void scale(double f)
    {
        double x2 = x;
        double y2 = y;
        normalize();
        x = x2*f;
        y = y2*f;

    };
    void rotate(double theta, double cx, double cy)
    {
        double sin = Math.sin(theta);
        double cos = Math.cos(theta);
        double dx = x-cx;
        double dy = y-cy;
        x = cx+(dx)*cos-(dy)*sin;
        y = cy+(dy)*cos+(dx)*sin;
    };
    Vector2D normal()
    {
        return new Vector2D(x,-y);
    };

    // the dot product implemented as class function
    static double dot(Vector2D v1, Vector2D v2)
    {
        return v1.x*v2.x+v1.y*v2.y;
    };

};


// Player class
public class Player{
    // variables
    //What i did was to create a private variable from the class above ^
    private Vector2D playerPosition;

    public Vector2D getPlayerPosition(){
        return playerPosition;
    };
};