public override void Update()
{
var keyboardRectangle = MainManager.DeviceManager.ActiveKeyboard.KeyboardRectangle(KeyboardScale);
foreach (var bubble in _bubbles)
{
if (Settings.IsShiftColors)
bubble.Color = ColorHelpers.ShiftColor(bubble.Color,
Settings.IsRandomColors
? (int) Math.Round(Settings.ShiftColorSpeed*_random.NextDouble())
: Settings.ShiftColorSpeed);
bubble.CheckCollision(keyboardRectangle);
bubble.Move();
}
}