Walker Init / _w

Creates initialized walker with it's default direction

Syntax: _w(side, square = -1)

side side number or index number of square
square square number

Returns: Returns initialized walker with it's default direction.

Notes: Input to this function can be either side and square number, or just square index. The second case is used if square argument is used with it's default value.

Example:

walk = w(4), initialized walk to square index number 4
walk = w(4, 3), initialized walk to side 4, square 3