/// <summary>
/// Sets new value from the given point.
/// </summary>
/// <param name="p"></param>
public void Set(Point3D p)
{
X = p.X;
Y = p.Y;
Z = p.Z;
}
/// <summary>
/// Creates a new vector from the given point.
/// </summary>
/// <param name="p">The point to construct a position vector from.</param>
public Vector3D(Point3D p)
{
X = p.X;
Y = p.Y;
Z = p.Z;
}