public Vector3D(double length, double cornerX, double cornerY, double cornerZ)
{
Length = length;
CornerX = cornerX;
CornerY = cornerY;
CornerZ = cornerZ;
Coordinate3D = new Coordinate3D(Math.Cos(CornerX)*Length, Math.Cos(CornerY)*Length, Math.Cos(CornerZ)*Length);
}
public Vector3D(Coordinate3D coordinate3D)
{
Coordinate3D = coordinate3D;
Length = Math.Sqrt(Math.Pow(Coordinate3D.X, 2) + Math.Pow(Coordinate3D.Y, 2) + Math.Pow(Coordinate3D.Z, 2));
CornerX = Math.Acos(Coordinate3D.X/Length);
CornerY = Math.Acos(Coordinate3D.Y/Length);
CornerZ = Math.Acos(Coordinate3D.Z/Length);
}