Rhythm Box is a music box system for your iOS app written in Swift. The easiest way to create Music Rhythm Patterns in Swift.

To Generate a constant BPM signal is as simple as this.

let rhythmBox = RhythmBox(bpm: 120)
rhythmBox.perform {CurrentBeat, CurrentSubBeat, CurrentNote in

    print("CurrentBeat", CurrentBeat)
    return .resume
}

And to generate a 90 BPM signal with a time signature of 3/4 and subdivision.

let rhythmBox = RhythmBox(bpm: 90, timeSignature: (3,4), subdivision: "011")
rhythmBox.perform {CurrentBeat, CurrentSubBeat, CurrentNote in

    print("CurrentBeat", CurrentBeat)
    return .resume
}

Learn more about it in the github repository or in the documentation.