Welcome folks today in this blog post we will be building a multiplayer tic tac toe game using numpy library in tkinter using python. All the full source code of the application is given below.
Get Started
In order to get started you need to install the following library using the pip command as shown below
pip install numpy
After installing this library make an app.py file and copy paste the following code
app.py
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from tkinter import * import numpy as np size_of_board = 800 symbol_size = (size_of_board / 3 - size_of_board / 8) / 2 symbol_thickness = 30 symbol_X_color = '#EE4035' symbol_O_color = '#0492CF' Green_color = '#7BC043' class Tic_Tac_Toe(): def __init__(self): self.window = Tk() self.window.title('Tic-Tac-Toe') self.canvas = Canvas(self.window, width=size_of_board, height=size_of_board) self.canvas.pack() self.window.bind('<Button-1>', self.click) self.initialize_board() self.player_X_turns = True self.board_status = np.zeros(shape=(3, 3)) self.player_X_starts = True self.reset_board = False self.gameover = False self.tie = False self.X_wins = False self.O_wins = False self.X_score = 0 self.O_score = 0 self.tie_score = 0 def mainloop(self): self.window.mainloop() def initialize_board(self): for i in range(2): self.canvas.create_line((i + 1) * size_of_board / 3, 0, (i + 1) * size_of_board / 3, size_of_board) for i in range(2): self.canvas.create_line(0, (i + 1) * size_of_board / 3, size_of_board, (i + 1) * size_of_board / 3) def play_again(self): self.initialize_board() self.player_X_starts = not self.player_X_starts self.player_X_turns = self.player_X_starts self.board_status = np.zeros(shape=(3, 3)) def draw_O(self, logical_position): logical_position = np.array(logical_position) grid_position = self.convert_logical_to_grid_position(logical_position) self.canvas.create_oval(grid_position[0] - symbol_size, grid_position[1] - symbol_size, grid_position[0] + symbol_size, grid_position[1] + symbol_size, width=symbol_thickness, outline=symbol_O_color) def draw_X(self, logical_position): grid_position = self.convert_logical_to_grid_position(logical_position) self.canvas.create_line(grid_position[0] - symbol_size, grid_position[1] - symbol_size, grid_position[0] + symbol_size, grid_position[1] + symbol_size, width=symbol_thickness, fill=symbol_X_color) self.canvas.create_line(grid_position[0] - symbol_size, grid_position[1] + symbol_size, grid_position[0] + symbol_size, grid_position[1] - symbol_size, width=symbol_thickness, fill=symbol_X_color) def display_gameover(self): if self.X_wins: self.X_score += 1 text = 'Winner: Player 1(X)' color = symbol_X_color elif self.O_wins: self.O_score += 1 text = 'Winner: Player 2(O)' color = symbol_O_color else: self.tie_score += 1 text = 'Its a tie' color = 'gray' self.canvas.delete("all") self.canvas.create_text(size_of_board / 2, size_of_board / 3, font="cmr 60 bold", fill=color, text=text) score_text = 'Scores \n' self.canvas.create_text(size_of_board / 2, 5 * size_of_board / 8, font="cmr 40 bold", fill=Green_color, text=score_text) score_text = 'Player 1 (X) : ' + str(self.X_score) + '\n' score_text += 'Player 2 (O): ' + str(self.O_score) + '\n' score_text += 'Tie : ' + str(self.tie_score) self.canvas.create_text(size_of_board / 2, 3 * size_of_board / 4, font="cmr 30 bold", fill=Green_color, text=score_text) self.reset_board = True score_text = 'Click to play again \n' self.canvas.create_text(size_of_board / 2, 15 * size_of_board / 16, font="cmr 20 bold", fill="gray", text=score_text) def convert_logical_to_grid_position(self, logical_position): logical_position = np.array(logical_position, dtype=int) return (size_of_board / 3) * logical_position + size_of_board / 6 def convert_grid_to_logical_position(self, grid_position): grid_position = np.array(grid_position) return np.array(grid_position // (size_of_board / 3), dtype=int) def is_grid_occupied(self, logical_position): if self.board_status[logical_position[0]][logical_position[1]] == 0: return False else: return True def is_winner(self, player): player = -1 if player == 'X' else 1 for i in range(3): if self.board_status[i][0] == self.board_status[i][1] == self.board_status[i][2] == player: return True if self.board_status[0][i] == self.board_status[1][i] == self.board_status[2][i] == player: return True if self.board_status[0][0] == self.board_status[1][1] == self.board_status[2][2] == player: return True if self.board_status[0][2] == self.board_status[1][1] == self.board_status[2][0] == player: return True return False def is_tie(self): r, c = np.where(self.board_status == 0) tie = False if len(r) == 0: tie = True return tie def is_gameover(self): self.X_wins = self.is_winner('X') if not self.X_wins: self.O_wins = self.is_winner('O') if not self.O_wins: self.tie = self.is_tie() gameover = self.X_wins or self.O_wins or self.tie if self.X_wins: print('X wins') if self.O_wins: print('O wins') if self.tie: print('Its a tie') return gameover def click(self, event): grid_position = [event.x, event.y] logical_position = self.convert_grid_to_logical_position(grid_position) if not self.reset_board: if self.player_X_turns: if not self.is_grid_occupied(logical_position): self.draw_X(logical_position) self.board_status[logical_position[0]][logical_position[1]] = -1 self.player_X_turns = not self.player_X_turns else: if not self.is_grid_occupied(logical_position): self.draw_O(logical_position) self.board_status[logical_position[0]][logical_position[1]] = 1 self.player_X_turns = not self.player_X_turns if self.is_gameover(): self.display_gameover() else: self.canvas.delete("all") self.play_again() self.reset_board = False game_instance = Tic_Tac_Toe() game_instance.mainloop() |
Now if you execute the python script by typing the below command
python app.py
