////////////////////////////////////////////////////////////////////////////////////////////////////
/// <summary> Returns true if the circle event contains the passed in point. </summary>
/// <remarks>
/// Darrell Plank, 2/21/2011.
/// </remarks>
/// <param name="pt"> Point to check. </param>
/// <returns> True if its contained in the circle, else false. </returns>
////////////////////////////////////////////////////////////////////////////////////////////////////
internal bool Contains(Vector pt)
{
return(Geometry2D.DistanceSq(pt, Pt) <= _radiusSq);
}
