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RS( s� Encapsulates a Life board
Attributes:
X,Y : horizontal and vertical size of the board
state : dictionary mapping (x,y) to 0 or 1
Methods:
display(update_board) -- If update_board is true, compute the
next generation. Then display the state
of the board and refresh the screen.
erase() -- clear the entire board
makeRandom() -- fill the board randomly
set(y,x) -- set the given cell to Live; doesn't refresh the screen
toggle(y,x) -- change the given cell from live to dead, or vice
versa, and refresh the screen display
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i | _ | | _ | j j � \ } } | d | d d | _ | _ | | _ | j j � d | j d d } | j j d d | � | j j | j d d | � xU t d | j � D]A } | j j d | d d � | j j d | | j d d � q� W| j j � d S( s� Create a new LifeBoard instance.
scr -- curses screen object to use for display
char -- character used to render live cells (default: '*')
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ValueErrorR ( R R t x( ( s( /usr/lib64/python2.7/Demo/curses/life.pyt set? s 6c C s� | d k s6 | j | k s6 | d k s6 | j | k rL t d | | f � n | j j | | f � r� | j | | f =| j j | d | d d � n4 d | j | | f <| j j | d | d | j � | j j � d S( s+ Toggle a cell's state between live and deadi s Coordinates out of range %i,%ii t N( R R R R t has_keyR t addchR
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f � rq| d 7} qqqqWqdW| | 8} | d k r d | | | f <| j j | d | d | j � | sUd | _ qUq| d k r%| r%d | | | f <q| r| j j | d | d d � d | _ qqWq� W| | _ | j j � d S( s< Display the whole board, optionally computing one generationi i R Ni i ( R R R
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c C s; t | | � | j | d d � | j | d d d � d S( s/ Display the menu of possible keystroke commandsi sA Use the cursor keys to move, and space or Enter to toggle a cell.i sB E)rase the board, R)andom fill, S)tep once or C)ontinuously, Q)uitN( R6 R ( R4 R5 ( ( s( /usr/lib64/python2.7/Demo/curses/life.pyt display_menu� s
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