A elegant UI menu with a circular layout and material design animations

pod 'CircleMenu'

func circleMenu(circleMenu: CircleMenu, willDisplay button: UIButton, atIndex: Int)

@IBInspectable var buttonsCount: Int = 3
@IBInspectable var duration: Double = 2 // circle animation duration
@IBInspectable var distance: Float = 100 // distance between center button and buttons

let button = CircleMenu(
  frame: CGRect(x: 200, y: 200, width: 50, height: 50),
  normalIcon:"icon_menu",
  selectedIcon:"icon_close",
  buttonsCount: 4,
  duration: 4,
  distance: 120)
button.delegate = self
button.layer.cornerRadius = button.frame.size.width / 2.0
view.addSubview(button)

// configure buttons
optional func circleMenu(circleMenu: CircleMenu, willDisplay button: UIButton, atIndex: Int)

// call before animation
optional func circleMenu(circleMenu: CircleMenu, buttonWillSelected button: UIButton, atIndex: Int)

// call after animation
optional func circleMenu(circleMenu: CircleMenu, buttonDidSelected button: UIButton, atIndex: Int)

// call upon cancel of the menu
optional func menuCollapsed(circleMenu: CircleMenu)