Class: Alpha::Mover

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

Instance Method Summary collapse

Instance Method Details

#go_down(row, column, grid) ⇒ Object 



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# File 'lib/alpha/mover.rb', line 25

def go_down(row, column, grid)
  i = 1
  while true
    index = grid.index_of(row)

    square_candidate_value = grid.query("#{grid.letters[index + i]}#{column}")
    return "#{grid.letters[index + i]}#{column}" if square_candidate_value == :empty
    break unless square_candidate_value == :hit
    i += 1
  end
end

#go_left(row, column, grid) ⇒ Object 



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# File 'lib/alpha/mover.rb', line 15

def go_left(row, column, grid)
  i = 1
  while true
    square_candidate_value = grid.query("#{row}#{column - i}")
    return "#{row}#{column - i}" if square_candidate_value == :empty
    break unless square_candidate_value == :hit
    i += 1
  end
end

#go_right(row, column, grid) ⇒ Object 



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# File 'lib/alpha/mover.rb', line 5

def go_right(row, column, grid)
  i = 1
  while true
    square_candidate_value = grid.query("#{row}#{column + i}")
    return "#{row}#{column + i}" if square_candidate_value == :empty
    break unless square_candidate_value == :hit
    i += 1
  end
end

#go_up(row, column, grid) ⇒ Object 



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# File 'lib/alpha/mover.rb', line 37

def go_up(row, column, grid)
  i = 1
  while true
    index = grid.index_of(row)

    square_candidate_value = grid.query("#{grid.letters[index - i]}#{column}")
    return "#{grid.letters[index - i]}#{column}" if square_candidate_value == :empty
    break unless square_candidate_value == :hit
    i += 1
  end
end