public Vector2D(Point2D _Source) { Set(_Source); }
public void Set(Point2D _Source) { x = _Source.x; y = _Source.y; z = w = 0.0f; }
public void Set(Point2D _Source) { x = _Source.x; y = _Source.y; }
public Point4D(Point2D _Source) { Set(_Source); }