# File lib/rubygame/deprecated_mixer.rb, line 543
  def fading?( direction=nil )
    case direction
    when :in
      return (SDL::Mixer.FadingMusic() == SDL::Mixer::FADING_IN)
    when :out
      return (SDL::Mixer.FadingMusic() == SDL::Mixer::FADING_OUT)
    else
      return (SDL::Mixer.FadingMusic() != SDL::Mixer::NO_FADING)
    end
  end