/// <summary>
/// Determines whether the current objects contains a
/// <see cref="BoundingSphere"/>.
/// </summary>
/// <param name="sphere">The sphere to test.</param>
/// <returns>The type of containment the two objects have.</returns>
public ContainmentType Contains(ref BoundingSphere sphere)
{
return(Collision.BoxContainsSphere(ref this, ref sphere));
}