void OnRemainingObjectsUpdated(object sender, RemainingObjectsChangedArgs args)
 {
     // using the tag of this object to compare against the tag of the instantiated object... yup
     if (args.tag == this.tag)
     {
         remainingText.text = string.Format("{0}: {1}", LabelText, args.remainingObjects);
     }
 }
 void OnRemainingObjectsUpdated(object sender, RemainingObjectsChangedArgs args)
 {
     // set the path validity to false until the path is re-evaluated
     //isValid = false;
 }