local item = vci.assets.GetTransform("Ball")
local effect = vci.assets.GetEffekseerEmitter("Ball")

vci.StartCoroutine(
    coroutine.create(
        function()
            while true do
                if item.IsAttached == false then
                    item.AttachToAvatar()
                    sleep(0.1)
                    if item.IsAttached then
                        effect.Play()
                        sleep(5)
                        item.DetachFromAvatar()
                        effect.Stop()
                        sleep(1)
                    end
                end
                sleep(0.5)
            end
        end
    )
)

function sleep(sec)
    local t0 = os.time() + sec
    while os.time() < t0 do
        coroutine.yield()
    end
end