public Vector2D(Coordinate2D coordinate2D)
{
Coordinate2D = coordinate2D;
Length = Math.Sqrt(Math.Pow(Coordinate2D.X, 2) + Math.Pow(Coordinate2D.Y, 2));
Corner = Math.Asin(Coordinate2D.Y/Length);
}
public Vector2D(double length, double corner)
{
Length = length;
Corner = corner;
Coordinate2D = new Coordinate2D(Math.Cos(corner)*length, Math.Sin(corner)*length);
}