main.py

import pygame
# Initialize pygame

pygame.init() # Initialize pygame

# Set the window size
screen = pygame.display.set_mode((600, 400)) # Set the window size

# Set the title of the window
pygame.display.set_caption("Pong") # Set the title of the window

# Set up the game clock
clock = pygame.time.Clock() # Set up the game clock

# Load the images for the ball and paddles
ball_image = pygame.image.load("Assets/ball.png")
paddle_image = pygame.image.load("Assets/paddle.png")

# Create the ball sprite
ball = pygame.sprite.Sprite() # Create the ball sprite
ball.image = ball_image # Load the ball image
ball.rect = ball.image.get_rect() # Get the ball's rects

# Create the paddles
left_paddle = pygame.sprite.Sprite() # Create the left paddle
left_paddle.image = paddle_image # Load the left paddle image
left_paddle.rect = left_paddle.image.get_rect() # Get the left paddle's rect

right_paddle = pygame.sprite.Sprite() # Create the right paddle
right_paddle.image = paddle_image # Load the right paddle image
right_paddle.rect = right_paddle.image.get_rect() # Get the right paddle's rect

# Set the initial positions of the ball and paddles
ball.rect.center = (300, 200) # Set the ball's initial position
left_paddle.rect.left = 20 # Set the left paddle's initial position
left_paddle.rect.centery = 200 # Set the left paddle's initial position
right_paddle.rect.right = 580 # Set the right paddle's initial position
right_paddle.rect.centery = 200 # Set the right paddle's initial position

# Set the ball's initial velocity
ball_vx = 5 # 
ball_vy = 5 #

# Game loop
while True: #
    # Handle events
    for event in pygame.event.get(): # Handle events 
        if event.type == pygame.QUIT: # Handle the QUIT event
            pygame.quit() # Quit pygame
            exit() # Exit the program

    # Update game state
    ball.rect.x += ball_vx # Update the ball's x position
    ball.rect.y += ball_vy # Update the ball's y position

    # Update game state
    keys = pygame.key.get_pressed() # Get the keys that are pressed
    if keys[pygame.K_UP]: # Check if the up key is pressed
        right_paddle.rect.y -= 5 # Update the right paddle's y position
    if keys[pygame.K_DOWN]: # Check if the down key is pressed
        right_paddle.rect.y += 5 # Update the right paddle's y position
    if keys[pygame.K_w]:    # Check if the w key is pressed
        left_paddle.rect.y -= 5 # Update the left paddle's y position
    if keys[pygame.K_s]:    # Check if the s key is pressed
        left_paddle.rect.y += 5 # Update the left paddle's y position

    # Check for ball collision with paddles
    if ball.rect.colliderect(left_paddle.rect) or ball.rect.colliderect(right_paddle.rect): # Check for ball collision with paddles
        ball_vx = -ball_vx # Reverse the ball's x velocity

    # Check for ball collision with walls
    if ball.rect.top < 0 or ball.rect.bottom > 400: # Check for ball collision with walls
        ball_vy = -ball_vy # Reverse the ball's y velocity

    # Draw the screen
    screen.fill((0, 0, 0)) # Fill the screen with black
    screen.blit(ball.image, ball.rect) # Draw the ball
    screen.blit(left_paddle.image, left_paddle.rect) # Draw the left paddle
    screen.blit(right_paddle.image, right_paddle.rect) # Draw the right paddle
    pygame.display.flip() # Update the display

    # Limit the frame rate
    clock.tick(60)