Watercress Radio Note 2: Add pause/Resume songs while stopping/resuming animations on a disc

    MARK: Pauses the animation on the layer    func pauselayer (layer:calayer) {let        pausedtime:cftimeinterval = Layer.converttime ( Cacurrentmediatime (), fromlayer:nil)        layer.speed = 0.0        layer.timeoffset = pausedtime    }        //mark: Continue animation on Layer    func Resumelayer (layer:calayer) {let        pausedtime = layer.timeoffset        layer.speed = 1.0        Layer.timeoffset = 0.0        layer.begintime = 0.0 let        timesincepause = Layer.converttime (Cacurrentmediatime (), Fromlayer:nil)-Pausedtime        layer.begintime = Timesincepause    }

　　

Watercress Radio Note 2: Add pause/Resume songs while stopping/resuming animations on a disc