animation.swift

func collectionView(_ collectionView: UICollectionView, didSelectItemAt indexPath: IndexPath) {
        if let cell = collectionView.cellForItem(at: indexPath) as? ClinicianViewCell {
            let clinician = clinicians[indexPath.item]

            UIView.animate(withDuration: 0.1, delay: 0, options: [], animations: { [weak self] in

                cell.transform = CGAffineTransform(scaleX: 0.95, y: 0.95)
                cell.clinicianState.transform = CGAffineTransform(scaleX: 1, y: -1)

                cell.photoImageView.transform = CGAffineTransform(translationX: -3, y: 3)
                cell.taskItem.transform = CGAffineTransform(translationX: -4, y: 4)
                cell.clinicianName.transform = CGAffineTransform(translationX: -3, y: -3)

                AudioServicesPlaySystemSound (self!.systemSoundID)

            }) { _ in

                UIView.animate(withDuration: 0.2, animations: { [weak self] in

                    [cell, cell.photoImageView, cell.clinicianState, cell.taskItem, cell.clinicianName].forEach { $0.transform = .identity }

                    if cell.clinicianState.text == ClinicianState.assigned.rawValue {

                        cell.clinicianState.text = ClinicianState.inWithPatient.rawValue
                        self?.changeClinicianState(to: ClinicianState.inWithPatient, for: clinician.id, at: indexPath)

                    } else if cell.clinicianState.text == ClinicianState.inWithPatient.rawValue {

                        cell.clinicianState.text = ClinicianState.checkedOut.rawValue
                        self?.changeClinicianState(to: .checkedOut, for: clinician.id, at: indexPath)

                    } else {

                        cell.clinicianState.text = ClinicianState.inWithPatient.rawValue
                        self?.changeClinicianState(to: .inWithPatient, for: clinician.id, at: indexPath)

                    }

                })
            }
        }
    }