fanMenu.button = FanMenuButton(
    id: "main",
    image: "plus",
    color: Color(val: 0x7C93FE)
)

fanMenu.items = [
    FanMenuButton(
        id: "exchange_id",
        image: "exchange",
        color: Color(val: 0x9F85FF)
    ),
    ...
    FanMenuButton(
        id: "visa_id",
        image: "visa",
        color: Color(val: 0xF55B58)
    )
]

// call before animation
fanMenu.onItemDidClick = { button in
    print("ItemDidClick: \(button.id)")
}
// call after animation
fanMenu.onItemWillClick = { button in
    print("ItemWillClick: \(button.id)")
}

// distance between button and items
fanMenu.menuRadius = 90.0

// animation duration
fanMenu.duration = 0.35

// menu opening delay
fanMenu.delay = 0.05

// interval for buttons in radians
fanMenu.interval = (0, 2.0 * M_PI)

// menu background color
fanMenu.menuBackground = Color.red

fanMenu.isOpen
fanMenu.open()
fanMenu.close()