Class: RubyGo::Stone

Inherits:
Object
  • Object
show all
Defined in:
lib/ruby-go/stone.rb

Direct Known Subclasses

NullStone

Constant Summary collapse

LETTERS = 
('a'..'z').to_a

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(x_coord, y_coord, color) ⇒ Stone

Returns a new instance of Stone.



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# File 'lib/ruby-go/stone.rb', line 7

def initialize(x_coord, y_coord, color)
  @x_coord = x_coord
  @y_coord = y_coord
  @color = color
end

Instance Attribute Details

#color ⇒ Object (readonly)

Returns the value of attribute color.



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# File 'lib/ruby-go/stone.rb', line 5

def color
  @color
end

#x_coord ⇒ Object (readonly)

Returns the value of attribute x_coord.



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# File 'lib/ruby-go/stone.rb', line 5

def x_coord
  @x_coord
end

#y_coord ⇒ Object (readonly)

Returns the value of attribute y_coord.



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# File 'lib/ruby-go/stone.rb', line 5

def y_coord
  @y_coord
end

Instance Method Details

#==(other) ⇒ Object 



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# File 'lib/ruby-go/stone.rb', line 27

def ==(other)
  other.is_a?(Stone) &&
    (color == other.color) &&
    (to_coord == other.to_coord)
end

#empty? ⇒ Boolean

Returns:

  • (Boolean) 


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# File 'lib/ruby-go/stone.rb', line 19

def empty?
  false
end

#to_coord ⇒ Object 



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# File 'lib/ruby-go/stone.rb', line 23

def to_coord
  [x_coord, y_coord]
end

#to_sgf ⇒ Object 



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# File 'lib/ruby-go/stone.rb', line 13

def to_sgf
  x = LETTERS[x_coord]
  y = LETTERS[y_coord]
  ";#{color.to_s[0].upcase}[#{x}#{y}]"
end