Class: CardDeck::Card

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

Overview

The central part of any card game. It is what makes card games ‘Card’ games.

Constant Summary collapse

Num =

Legal arguments for parameter num in Card#new.

%w(Ace King Queen Jack Joker) + (2..10).to_a
Suit =

Legal arguments for parameter suit in Card#new

[Hearts, Spades, Diamonds, Clubs]

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(num = Num.sample, suit = Suit.sample) ⇒ Card

Creates a new card. Parameter num is the card’s number. Parameter suit is the card’s suit. When given no arguments, the num and suit are randomly generated



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# File 'lib/card.rb', line 10

def initialize(num=Num.sample, suit=Suit.sample) # Creates a new card. Parameter num is the card's number. Parameter suit is the card's suit. When given no arguments, the num and suit are randomly generated
  unless Suit.include? suit
    suit = case suit.downcase
      when "diamonds" then Diamonds
      when "spades" then Spades
      when "hearts" then Hearts
      when "clubs" then Clubs
    end
  end
  @num, @suit = num, suit
end

Instance Attribute Details

#num ⇒ Object

The card’s number. Must be Ace, 2, 3, 4, 5, 6, 7, 8, 9, 10, Jack, Queen, King, or Joker



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# File 'lib/card.rb', line 8

def num
  @num
end

#suit ⇒ Object

The card’s suit. Must be Spades, Diamonds, Clubs, or Hearts.



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# File 'lib/card.rb', line 9

def suit
  @suit
end

Instance Method Details

#abbreviation ⇒ Object Also known as: abbr

The shorter representation of the card



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# File 'lib/card.rb', line 21

def abbreviation # The shorter representation of the card
  unless @num == "Joker"
    if @num == 10 then "#{@suit}#{@num}"
    else
      "#{@suit}#{(@num.to_s)[0]}"
    end
  else
    @num
  end
end

#black? ⇒ Boolean

Tests if the suit color is black

Returns:

  • (Boolean) 


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# File 'lib/card.rb', line 31

def black?; suit == Spades || suit == Clubs; end

#red? ⇒ Boolean

Tests if the suit color is red

Returns:

  • (Boolean) 


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# File 'lib/card.rb', line 32

def red?; suit == Hearts || suit == Diamonds; end