public MainWindow()
 {
     InitializeComponent();
     hero     = new Hero();
     skeleton = new Skeleton();
     boss     = new Boss();
     foxDraw  = new FoxDraw(canvas);
     Area.DrawMap(foxDraw);
     hero.Drawhero(foxDraw);
     skeleton.Drawskeleton(foxDraw);
     boss.Drawboss(foxDraw);
 }