total_events_previous_second = 0
total_events_this_second = 0
seconds = floor(time_in_milliseconds())

function interpolate(x1, x2, d)
    local difference = x2 - x1
    return x1 + difference * d
end

function update()
    local events = get_events()
    total_events_this_second = total_events_this_second + #events

    local time = time_in_milliseconds()
    local current_seconds = floor(time)

    if seconds ~= current_seconds then
        local time_since_previous_second = math.frac(time_in_milliseconds)
        set_events_per_second(interpolate(total_events_previous_second, total_events_this_second, time_since_previous_second))

        seconds = current_seconds
        total_events_previous_second = total_events_this_second
        total_events_this_second = 0
    end
end