public override void notify()
{
// Debug.WriteLine("Action after the Alien Grid / Wall goes here");
// Debug.WriteLine("AlienGrid & Wall Observer: {0} {1}", this.colSubject.gameObjA.cGameObjectName, this.colSubject.gameObjB.cGameObjectName);
AlienGrid ag = (AlienGrid)this.colSubject.gameObjA;
Wall wall = (Wall)this.colSubject.gameObjB;
if (!ag.edgeHit)
{
ag.deltaX *= -1.0f;
ag.setEdgeHit();
}
}