Pygame library python. Create a simple Tic-Tac-Toe game

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In this project, we are creating a simple Tic-Tac-Toe game using the Pygame library in python. This tutorial will guide you through the process of installing Pygame and importing it into your Python code. You will then learn how to initialize Pygame and create a game window, as well as draw the Tic-Tac-Toe game board and grid.

What is the Pygame library?

Pygame is a set of Python modules that are used to create video games. It is built on top of the SDL (Simple DirectMedia Layer) library, which provides low-level access to computer hardware, such as graphics, sound, and input devices. Pygame makes it easier to create games by providing high-level functions for drawing graphics, playing sounds, and handling user input.

What you will learn from doing this project

  1. Install Pygame and import it into your Python code.
  2. Initialize Pygame and create a game window.
  3. Draw the Tic-Tac-Toe game board and grid.
  4. Create a game loop that will continuously run while the game is being played.
  5. Handle user input to allow the player to make moves on the game board.
  6. Check for a win condition and end the game when a player wins or the game ends in a tie.

Step-1: Installing the Pygame library

You’ll need to install the Pygame library in order to use it in your Tic-Tac-Toe game. You can do this by running the following command in your terminal


pip install pygame

Step-2: Importing the library

The next step is to import pygame and Initialize the Game. To do this open a new python file and import the library


import pygame

Step-3: Initializing the Game

Next, you’ll need to initialize Pygame by calling the pygame.init() function:


pygame.init()

Step-4: Set up the Game window

now you have successfully initialized the game. Now we have to set up the game window You’ll need to create a window to display your Tic-Tac-Toe game.

You can do this using the following code:


# Set up the game window

WINDOW_WIDTH = 600

WINDOW_HEIGHT = 600

window = pygame.display.set_mode((WINDOW_WIDTH, WINDOW_HEIGHT))

pygame.display.set_caption("Tic-Tac-Toe")

This code sets the width and height of the window and creates the window using the pygame.display.set_mode() function. It also sets the caption of the window to “Tic-Tac-Toe”.

Step-5: Drawing the Game window

The next step is that you’ll need to draw the Tic-Tac-Toe game board. You can do this using the pygame.draw.rect() function:


# Draw the game board

BOARD_SIZE = 500

BOARD_X = (WINDOW_WIDTH - BOARD_SIZE) / 2

BOARD_Y = (WINDOW_HEIGHT - BOARD_SIZE) / 2

BOARD_COLOR = (255, 255, 255)

BOARD_THICKNESS = 10

pygame.draw.rect(window, BOARD_COLOR, (BOARD_X, BOARD_Y, BOARD_SIZE, BOARD_SIZE), BOARD_THICKNESS)

This code draws a rectangle on the game window with the specified color, size, and thickness. The (BOARD_X, BOARD_Y) coordinates specify the top-left corner of the rectangle.

Step-6: Draw the Grid

Next, You’ll need to draw a 3×3 grid on the game board to represent the Tic-Tac-Toe squares.

You can do this using the following code:


# Draw the grid

GRID_COLOR = (0, 0, 0)

GRID_THICKNESS = 5
for i in range(1, 3):
    # Vertical lines
    pygame.draw.line(window, GRID_COLOR, (BOARD_X + i * (BOARD_SIZE / 3), BOARD_Y),
                     (BOARD_X + i * (BOARD_SIZE / 3), BOARD_Y + BOARD_SIZE), GRID_THICKNESS)
    # Horizontal lines
    pygame.draw.line(window, GRID_COLOR, (BOARD_X, BOARD_Y + i * (BOARD_SIZE / 3)),
                     (BOARD_X + BOARD_SIZE, BOARD_Y + i * (BOARD_SIZE / 3)), GRID_THICKNESS)

This code draws two sets of vertical and horizontal lines to create a 3×3 grid on the game board

Step-7: Create a Game Loop

You’ll need to create a game loop that will continuously run while the game is being played.

You can do this using the following code:


# Game loop

game_running = True

while game_running:
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            game_running = False
    pygame.display.update()

This code creates a game loop that will continue running until the game_running the variable is set to False. The loop checks for events using the pygame.event.get() function

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