public override void Notify()
{
//Debug.WriteLine("Grid_Observer: {0} {1}", this.pSubject.pObjA, this.pSubject.pObjB);
// OK do some magic
AlienGrid pGrid = (AlienGrid)this.pSubject.pObjA;
WallCategory pWall = (WallCategory)this.pSubject.pObjB;
if (pWall.GetCategoryType() == WallCategory.Type.Right)
{
pGrid.SetDelta(-20.0f);
}
else if (pWall.GetCategoryType() == WallCategory.Type.Left)
{
pGrid.SetDelta(20.0f);
}
pGrid.SetYDelta(-35.0f);
}