//When buff tapped private void BuffSphere_Tapped(object sender, Windows.UI.Xaml.Input.TappedRoutedEventArgs e) { Ellipse buff = (Ellipse)sender; //Check buff if speed increase ball's speed and reduce buff amount if (buff.Name.Equals("speedBuff")) { speedBuff--; if (speedBuff < 1) { GameCanvas.Children.Remove(buff); } ball.speedUp(); } //if slow reduce ball's speed and reduce buff amount if (buff.Name.Equals("slowBuff")) { slowBuff--; if (slowBuff < 1) { GameCanvas.Children.Remove(buff); } ball.speedDown(); } }