TimePlusControlLib

module TimePlusControlLib
        def self.start
                $tpclt = Time.now
        end
        def self.stop
                $tpcls = Time.now
        end
        def self.get(a=0)
                case a
                when 0 then return Time.now - $tpclt
                when 1 then return $tpcls - $tpclt
                else return Time.now - $tpclt
                end
        end
        def self.clear(a=2)
                case a
                when 0 then $tpclt = 0
                when 1 then $tpcls = 0
                else
                        $tpclt = 0
                        $tpcls = 0
                end
        end
end