RelaySim

RELAY = {
    states = {},
    koefs = {},
    Do = function(self, id, state, time_delta)
        _state = self.states[id]
        if not _state then
            _state = 0
            self.koefs[id] = math.random()*3+3
        end
        if state and _state < 1 then
            _state = _state + time_delta*self.koefs[id]
            self.states[id] = _state
        elseif not state and _state > 0 then
            _state = _state - time_delta*self.koefs[id]
            self.states[id] = _state
        end
        return _state > 0.75
    end,
}