//****************************************************************
// Picking - Methods for picking the camera and it's view.
//****************************************************************
/// <summary>
/// Generate and return a PPickPath for the point x,y specified in the local
/// coordinate system of this camera.
/// </summary>
/// <param name="x">The x coordinate of the pick point.</param>
/// <param name="y">The y coordinate of the pick point.</param>
/// <param name="halo">
/// The value to use for the width and height of the rectangle used for picking.
/// </param>
/// <returns>A PPickPath for the given point.</returns>
/// <remarks>
/// Picking is done with a rectangle, halo specifies how large that rectangle
/// will be.
/// </remarks>
public virtual PPickPath Pick(float x, float y, float halo)
{
RectangleF b = PUtil.InflatedRectangle(new PointF(x, y), halo, halo);
PPickPath result = new PPickPath(this, b);
FullPick(result);
// make sure this camera is pushed.
if (result.NodeStackReference.Count == 0)
{
result.PushNode(this);
result.PushMatrix(MatrixReference);
}
return(result);
}