joeyates/m9t

require "m9t/base"
require "m9t/distance"

module M9t
  # Represents a speed
  class Speed
    DEFAULT_OPTIONS = {
      units: :meters_per_second, abbreviated: false, precision: 5
    }
    SECONDS_PER_HOUR  = 60.0 * 60
    KMH = M9t::Distance::CONVERSIONS[:kilometers] * SECONDS_PER_HOUR
    MPH = M9t::Distance::CONVERSIONS[:miles] * SECONDS_PER_HOUR
    KNOTS = KMH / 1.852
    CONVERSIONS = {
      meters_per_second:   1.0,
      kilometers_per_hour: KMH,
      miles_per_hour:      MPH,
      knots:               KNOTS
    }

    include M9t::Base

    alias :to_meters_per_second :value
  end
end