#NEWLINE# def step( self , model ) : #NEWLINE# #INDENT# if ( not self . fully_grown ) : #NEWLINE# #INDENT# if ( self . countdown <= 0 ) : #NEWLINE# #INDENT# self . fully_grown = True #NEWLINE# self . countdown = self . grass_regrowth_time #NEWLINE# #UNINDENT# else : #NEWLINE# #INDENT# self . countdown -= 1