Class: Tkn2::Deck

Inherits:
Object
  • Object
show all
Defined in:
lib/tkn2/deck.rb

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Deck

Returns a new instance of Deck.



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# File 'lib/tkn2/deck.rb', line 3

def initialize
  @slides = []
  @current = 0
  @renderer = Screen.new
end

Instance Method Details

#current ⇒ Object 



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# File 'lib/tkn2/deck.rb', line 13

def current
  @slides[@current]
end

#first ⇒ Object 



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# File 'lib/tkn2/deck.rb', line 25

def first
  @current = 0
end

#first? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tkn2/deck.rb', line 29

def first?
  @current == 0
end

#last? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/tkn2/deck.rb', line 33

def last?
  @current == @slides.size - 1
end

#next ⇒ Object 



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# File 'lib/tkn2/deck.rb', line 17

def next
  @current += 1 unless last?
end

#present! ⇒ Object 



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# File 'lib/tkn2/deck.rb', line 9

def present!
  @renderer.render(self)
end

#prev ⇒ Object 



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# File 'lib/tkn2/deck.rb', line 21

def prev
  @current -= 1 unless first?
end