Module: OthelloRuby::Game::BordWork

Included in:
Bord, User
Defined in:
lib/othello_ruby.rb

Instance Method Summary collapse

Instance Method Details

#get_reverse_pattern(active, passive, bit_string) ⇒ Object 



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

def get_reverse_pattern(active, passive, bit_string)
  patterns = []
  EIGHT_DIRECTION.each do |name|
    patterns << send("get_#{name}_pat", active, passive, bit_string)
  end
  patterns.delete(0)
  patterns.compact
end

#left_direction(bit_string) ⇒ Object 



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# File 'lib/othello_ruby.rb', line 36

def left_direction(bit_string)
  (bit_string >> 1) & 0x7F7F7F7F7F7F7F7F
end

#left_under_direction(bit_string) ⇒ Object 



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# File 'lib/othello_ruby.rb', line 56

def left_under_direction(bit_string)
  (bit_string << 7) & 0xFFFFFFFFFFFFFFFF
end

#left_upward_direction(bit_string) ⇒ Object 



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# File 'lib/othello_ruby.rb', line 52

def left_upward_direction(bit_string)
  bit_string >> 9
end

#right_direction(bit_string) ⇒ Object 



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# File 'lib/othello_ruby.rb', line 40

def right_direction(bit_string)
  (bit_string << 1) & 0xFEFEFEFEFEFEFEFE
end

#right_under_direction(bit_string) ⇒ Object 



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# File 'lib/othello_ruby.rb', line 64

def right_under_direction(bit_string)
  (bit_string << 9) & 0xFFFFFFFFFFFFFFFF
end

#right_upward_direction(bit_string) ⇒ Object 



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# File 'lib/othello_ruby.rb', line 60

def right_upward_direction(bit_string)
  bit_string >> 7
end

#under_direction(bit_string) ⇒ Object 



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# File 'lib/othello_ruby.rb', line 48

def under_direction(bit_string)
  (bit_string << 8) & 0xFFFFFFFFFFFFFFFF
end

#upward_direction(bit_string) ⇒ Object 



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# File 'lib/othello_ruby.rb', line 44

def upward_direction(bit_string)
  bit_string >> 8
end