gameoflife.py

# Program for playing the game of Life.
from life import LifeGrid

# Define the initial configuration of live cells.
INIT_CONFIG = [ (1, 2), (2, 1), (2, 2), (2, 3) ]

# Set the size of the grid.
GRID_WIDTH = 5
GRID_HEIGHT = 5

# Indicate the number of generations.
NUM_GENS = 8

def main():
	# Construct the game grid and confiture it.
	grid = LifeGrid( GRID_WIDTH, GRID_HEIGHT)
	grid.configure( INIT_CONFIG )

	# Play the game.
	draw( grid )
	for i in range( NUM_GENS ):
		evolve( grid )
		draw( grid )

# Generates the next generation of organisms.
def evolve( grid ):
	# List for storing the live cells of the next generation.
	liveCells = list()

	# Iterate over the elements of the grid.
	for i in range( grid.numRows() ):
		for j in range( grid.numCols() ):

			#print '( ' + str(i) + ', ' + str(j)  + ' )',

			# Determine the number of live neighbors for this cell.
			neighbors = grid.numLiveNeighbors( i, j )

			#print neighbors

			# Add the (i, j) tuple to liveCells if this cell contains
			# a live organisms in the next generation.
			if (neighbors == 2 and grid.isLiveCell(i, j)) or (neighbors == 3):
				liveCells.append( (i, j) )

	# Reconfigure the grid using the liveCells coord list.
	grid.configure( liveCells )

# Prints a text-based representation of the game grid.
def draw( grid ):
	grid.print_config()
	print ""

# Executes the main routine
main()