class Journey
Public Class Methods
new(destination)
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# File lib/flickru/journey.rb, line 6 def initialize destination Ruby.assert("destination >= 0") { destination >= 0 } @distance = destination @destination = destination @beginning = Time.now @current = Time.now end
Public Instance Methods
distance()
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# File lib/flickru/journey.rb, line 26 def distance @distance end
elapsed()
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# File lib/flickru/journey.rb, line 30 def elapsed @current - @beginning end
eta()
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# File lib/flickru/journey.rb, line 34 def eta # seconds @distance * elapsed / progress end
progress()
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# File lib/flickru/journey.rb, line 22 def progress @destination - @distance end
take(step)
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# File lib/flickru/journey.rb, line 15 def take step Ruby.assert("@distance >= step") { @distance >= step } @distance -= step @current = Time.now end