Module: Crucigrama::Positionable

Included in:

Crossword, CrosswordBuilder

Defined in:

lib/crucigrama/positionable.rb

Overview

This module defines some methods of use to interact with Crosswords

Instance Method Summary

• #direction_other_than(direction) ⇒ Symbol^?

  The direction opposite to the one given, that is, :horizontal for :vertical and :vertical for :horizontal; or nil if neither :horizontal nor :vertical is provided as direction.

• #position(x, y) ⇒ Hash<Symbol,Integer>

  A hash with the horizontal and vertical coordinates.

Instance Method Details

#direction_other_than(direction) ⇒ Symbol^?

Returns the direction opposite to the one given, that is, :horizontal for :vertical and :vertical for :horizontal; or nil if neither :horizontal nor :vertical is provided as direction.

Parameters:

• direction (:horizontal, :vertical, nil) —

  the direction whose opposite is queried

Returns:

• (Symbol, nil) —

  the direction opposite to the one given, that is, :horizontal for :vertical and :vertical for :horizontal; or nil if neither :horizontal nor :vertical is provided as direction

# File 'lib/crucigrama/positionable.rb', line 16

def direction_other_than(direction)
  { :horizontal => :vertical, :vertical => :horizontal}[direction]
end

#position(x, y) ⇒ Hash<Symbol,Integer>

Returns a hash with the horizontal and vertical coordinates.

Parameters:

• x (Integer) —

  the horizontal coordinate

• y (Integer) —

  the vertical coordinate

Returns:

• (Hash<Symbol,Integer>) —

  a hash with the horizontal and vertical coordinates

# File 'lib/crucigrama/positionable.rb', line 7

def position(x,y)
  {:horizontal => x, :vertical => y}
end