Classic Retro Ping Pong Game

import tkinter as tk

# Constants
WIDTH = 800
HEIGHT = 400
PADDLE_WIDTH = 10
PADDLE_HEIGHT = 60
BALL_RADIUS = 10
PADDLE_SPEED = 10
BALL_SPEED_X = 5
BALL_SPEED_Y = 5

# Game variables
score_left = 0
score_right = 0

# Initialize the window
window = tk.Tk()
window.title("Retro Ping Pong")
window.geometry(f"{WIDTH}x{HEIGHT}")

# Create the canvas for drawing
canvas = tk.Canvas(window, bg="black", width=WIDTH, height=HEIGHT)
canvas.pack()

# Create the paddles
paddle_left = canvas.create_rectangle(
    50, HEIGHT // 2 - PADDLE_HEIGHT // 2,
    50 + PADDLE_WIDTH, HEIGHT // 2 + PADDLE_HEIGHT // 2,
    fill="white"
)
paddle_right = canvas.create_rectangle(
    WIDTH - 50, HEIGHT // 2 - PADDLE_HEIGHT // 2,
    WIDTH - 50 - PADDLE_WIDTH, HEIGHT // 2 + PADDLE_HEIGHT // 2,
    fill="white"
)

# Create the ball
ball = canvas.create_oval(
    WIDTH // 2 - BALL_RADIUS, HEIGHT // 2 - BALL_RADIUS,
    WIDTH // 2 + BALL_RADIUS, HEIGHT // 2 + BALL_RADIUS,
    fill="white"
)

# Add labels to display scores
score_label = tk.Label(window, text="0   0", font=("Courier", 30), fg="white", bg="black")
score_label.pack()

# Initialize ball direction
ball_speed_x = BALL_SPEED_X
ball_speed_y = BALL_SPEED_Y

# Function to move the paddles
def move_paddle(event):
    key = event.keysym
    paddle_speed = PADDLE_SPEED

    # Move the left paddle
    if key == "w":
        canvas.move(paddle_left, 0, -paddle_speed)
    elif key == "s":
        canvas.move(paddle_left, 0, paddle_speed)

    # Move the right paddle
    if key == "Up":
        canvas.move(paddle_right, 0, -paddle_speed)
    elif key == "Down":
        canvas.move(paddle_right, 0, paddle_speed)

# Bind keyboard events to the paddle movement function
window.bind("<KeyPress>", move_paddle)

# Function to reset ball and paddle positions
def reset_positions():
    canvas.move(ball, WIDTH // 2 - canvas.coords(ball)[0], HEIGHT // 2 - canvas.coords(ball)[1])
    canvas.move(paddle_left, 0, HEIGHT // 2 - canvas.coords(paddle_left)[1])
    canvas.move(paddle_right, 0, HEIGHT // 2 - canvas.coords(paddle_right)[1])

# Function to update the game
def update():
    global ball_speed_x, ball_speed_y, score_left, score_right

    # Move the ball
    canvas.move(ball, ball_speed_x, ball_speed_y)

    # Retrieve the ball's current position
    ball_pos = canvas.coords(ball)

    # Detect collision with paddles
    paddles = canvas.find_overlapping(*ball_pos)
    if paddle_left in paddles or paddle_right in paddles:
        ball_speed_x *= -1

    # Detect collision with walls
    if ball_pos[0] <= 0:
        score_right += 1
        score_label.config(text=f"{score_left}   {score_right}")
        ball_speed_x = BALL_SPEED_X
        ball_speed_y = BALL_SPEED_Y
        reset_positions()
    elif ball_pos[2] >= WIDTH:
        score_left += 1
        score_label.config(text=f"{score_left}   {score_right}")
        ball_speed_x = -BALL_SPEED_X
        ball_speed_y = -BALL_SPEED_Y
        reset_positions()

    if ball_pos[1] <= 0 or ball_pos[3] >= HEIGHT:
        ball_speed_y *= -1

    # Check for game over
    if score_left >= 10 or score_right >= 10:
        canvas.unbind("<KeyPress>")
        game_over_label = tk.Label(window, text="Game Over!", font=("Courier", 40), fg="white", bg="black")
        game_over_label.pack()

    # Schedule the next update
    window.after(30, update)

# Start the game
window.after(0, update)
window.mainloop()