The task of this unit is to design and implement the game of tic tac toe.
You should enable two players to play. Whoever gets three pieces in a row first wins.
Have fun!
import turtle
import time
canvas = turtle.Screen()
canvas.setup(600, 600)
canvas.bgcolor("white")
size = 600
pen = turtle.Turtle()
pen.hideturtle()
pen.pensize(4)
pen.speed(0)
squares = [['a','b','c'],['d','e','f'],['g','h','i']]
turn = 'X'
exit = 0
x_index = 0
y_index = 0
num_clicks = 0
def drawGrid(color):
pen.color(color)
pen.up()
pen.goto(-size/2, size/6)
pen.down()
pen.forward(size)
pen.up()
pen.goto(-size/2, -size/6)
pen.down()
pen.forward(size)
pen.up()
pen.goto(-size/6, size/2)
pen.right(90)
pen.down()
pen.forward(size)
pen.up()
pen.goto(size/6, size/2)
pen.down()
pen.forward(size)
def drawX(color, x, y):
pen.color(color)
pen.up()
pen.goto(x, y)
pen.down()
pen.write('X', font=('Ariel', 100, 'normal'))
def drawO(color, x, y):
pen.color(color)
pen.up()
pen.goto(x, y)
pen.down()
pen.write('O', font=('Ariel', 100, 'normal'))
def getIndex(raw):
if raw >= -size/2 and raw <= -size/6:
return 0
elif raw <= size/6:
return 1
else:
return 2
def indexToCoordinate(index):
if index == 0: return -size/3 - 40
if index == 1: return -40
if index == 2: return size/3 - 40
def play(x, y):
global turn
global x_index
global y_index
global num_clicks
global exit
x_index = getIndex(x)
y_index = getIndex(y)
if exit == 0:
if squares[x_index][y_index] != 'X' and squares[x_index][y_index] != 'O':
num_clicks += 1
if turn == 'X':
squares[x_index][y_index] = 'X'
drawX('red', indexToCoordinate(x_index), indexToCoordinate(y_index))
turn = 'O'
else:
squares[x_index][y_index] = 'O'
drawO('blue', indexToCoordinate(x_index), indexToCoordinate(y_index))
turn = 'X'
exit = game_over()
if exit == 1:
game_msg("X wins!")
elif exit == 2:
game_msg("O wins!")
elif exit == 3:
game_msg("It is a tie!")
def game_msg(msg):
msg_pen = turtle.Turtle()
msg_pen.hideturtle()
msg_pen.up()
msg_pen.goto(0, -80)
msg_pen.down()
msg_pen.color("purple")
msg_pen.speed(1)
msg_pen.write(msg, align="center", font=("Helvetica", 30, "bold italic"))
def game_over():
global num_clicks
if (squares[0][0] == squares[0][1] and squares[0][1] == squares[0][2]) or \
(squares[1][0] == squares[1][1] and squares[1][1] == squares[1][2]) or \
(squares[2][0] == squares[2][1] and squares[2][1] == squares[2][2]) or \
(squares[0][0] == squares[1][0] and squares[1][0] == squares[2][0]) or \
(squares[0][1] == squares[1][1] and squares[1][1] == squares[2][1]) or \
(squares[0][2] == squares[1][2] and squares[1][2] == squares[2][2]) or \
(squares[0][0] == squares[1][1] and squares[1][1] == squares[2][2]) or \
(squares[0][2] == squares[1][1] and squares[1][1] == squares[2][0]):
if turn == 'X':
return 2
else:
return 1
elif num_clicks >= 9:
return 3
else:
return 0
drawGrid("black")
canvas.onclick(play)
canvas.mainloop()