function MainLoop()

This function is called each time the user confirms a data on the request stack

/* Note:  We are running as a command so this pointer is a  BK_CommandScriptable */

function MainLoop()

{

 /* currentGet returns the index of the current request

    the current request is in a transient state so it has not

    been confirmed by the user */

    var currGet = this.CurrentGet ();

     if( currGet ==1 )

    {

                 //request 0 has been confirmed and has its final value        

           var pnt = this.GetPoint (0); //if param 0 was a point

           var norm = this.GetNormal (0); //if param was a point and Normal vector

           var Obj    = this.GetInput (0);    //if param 0 was an object                

         }        

   var transientPnt = this.GetPoint ( currGet ); //this is a point in a transient state

}