public void Fade(float opacity)
 {
     /*
      * foreach (var child in GetChildren())
      * {
      *  GameFacade.Screens.Tween.To(child, 0.66f, new Dictionary<string, float>() { { "Opacity", opacity } }, (Opacity == 0) ? TweenQuad.EaseIn: TweenQuad.EaseOut);
      * }
      */
     foreach (var child in PersonButton.GetChildren())
     {
         GameFacade.Screens.Tween.To(child, 0.66f, new Dictionary <string, float>()
         {
             { "Opacity", opacity }
         }, (Opacity == 0) ? TweenQuad.EaseIn : TweenQuad.EaseOut);
     }
     GameFacade.Screens.Tween.To(PersonButton, 0.66f, new Dictionary <string, float>()
     {
         { "Opacity", opacity }
     }, (Opacity == 0) ? TweenQuad.EaseIn : TweenQuad.EaseOut);
     GameFacade.Screens.Tween.To(this, 0.66f, new Dictionary <string, float>()
     {
         { "Opacity", opacity }
     }, (Opacity == 0) ? TweenQuad.EaseIn : TweenQuad.EaseOut);
 }