Class: NeuroGammon::Dice

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

Instance Method Summary collapse

Constructor Details

#initialize ⇒ Dice

Returns a new instance of Dice.



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# File 'lib/neuro_gammon/dice.rb', line 20

def initialize
  @values=[]
  roll
end

Instance Method Details

#[](x) ⇒ Object 



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# File 'lib/neuro_gammon/dice.rb', line 36

def [] x
  return @values[x]
end

#check_state ⇒ Object 



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# File 'lib/neuro_gammon/dice.rb', line 55

def check_state
  @double=(@values[0]==@values[1])    
  @values = double? ? Array.new(4,self[0]) : @values
end

#double? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/neuro_gammon/dice.rb', line 32

def double?
  @double
end

#each ⇒ Object 



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# File 'lib/neuro_gammon/dice.rb', line 44

def each
  to_a.each {|obj| yield(obj)}
end

#roll ⇒ Object 



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# File 'lib/neuro_gammon/dice.rb', line 25

def roll
  @values=[]
  @values << rand(6)+1
  @values << rand(6)+1
  check_state
end

#to_a ⇒ Object 



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# File 'lib/neuro_gammon/dice.rb', line 40

def to_a
  @values
end

#use!(value) ⇒ Object

Raises:

  • (Exception) 


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# File 'lib/neuro_gammon/dice.rb', line 48

def use! value
  #TODO is there a method on Array to delete one value only?
  i=@values.index(value)
  raise Exception.new("No value " << value << " in dice " << self.to_a.to_s) if i==nil
  @values.delete_at(i)
end