1. cmd를 켠다
2. python --version 입력
3. pip --version 입력
4.pip install pygame 입력 후 pygame 설치
5. 그 후 아래에 있는 also-gpt2가 만들어준 코드를 복붙한다



import pygame
import sys

# Initialize Pygame
pygame.init()

# Screen dimensions
WIDTH, HEIGHT = 800, 600
screen = pygame.display.set_mode((WIDTH, HEIGHT))
pygame.display.set_caption("Ping-Pong Game")

# Colors
WHITE = (255, 255, 255)
BLACK = (0, 0, 0)

# Paddle settings
PADDLE_WIDTH, PADDLE_HEIGHT = 15, 90
PADDLE_SPEED = 10

# Ball settings
BALL_SIZE = 20
BALL_SPEED_X, BALL_SPEED_Y = 5, 5

# Score
player1_score, player2_score = 0, 0
font = pygame.font.Font(None, 36)

# Paddles and ball positions
player1_pos = [50, HEIGHT // 2 - PADDLE_HEIGHT // 2]
player2_pos = [WIDTH - 50 - PADDLE_WIDTH, HEIGHT // 2 - PADDLE_HEIGHT // 2]
ball_pos = [WIDTH // 2 - BALL_SIZE // 2, HEIGHT // 2 - BALL_SIZE // 2]
ball_dir_x, ball_dir_y = BALL_SPEED_X, BALL_SPEED_Y

# Game loop
running = True
clock = pygame.time.Clock()

while running:
    screen.fill(BLACK)

    # Event handling
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()
            sys.exit()

    keys = pygame.key.get_pressed()

    # Player 1 controls
    if keys[pygame.K_w] and player1_pos[1] > 0:
        player1_pos[1] -= PADDLE_SPEED
    if keys[pygame.K_s] and player1_pos[1] < HEIGHT - PADDLE_HEIGHT:
        player1_pos[1] += PADDLE_SPEED

    # Player 2 controls
    if keys[pygame.K_UP] and player2_pos[1] > 0:
        player2_pos[1] -= PADDLE_SPEED
    if keys[pygame.K_DOWN] and player2_pos[1] < HEIGHT - PADDLE_HEIGHT:
        player2_pos[1] += PADDLE_SPEED

    # Ball movement
    ball_pos[0] += ball_dir_x
    ball_pos[1] += ball_dir_y

    # Ball collision with top and bottom
    if ball_pos[1] <= 0 or ball_pos[1] >= HEIGHT - BALL_SIZE:
        ball_dir_y = -ball_dir_y

    # Ball collision with paddles
    if (player1_pos[0] < ball_pos[0] < player1_pos[0] + PADDLE_WIDTH and
            player1_pos[1] < ball_pos[1] < player1_pos[1] + PADDLE_HEIGHT) or \
            (player2_pos[0] < ball_pos[0] + BALL_SIZE < player2_pos[0] + PADDLE_WIDTH and
             player2_pos[1] < ball_pos[1] < player2_pos[1] + PADDLE_HEIGHT):
        ball_dir_x = -ball_dir_x

    # Ball out of bounds
    if ball_pos[0] <= 0:
        player2_score += 1
        ball_pos = [WIDTH // 2 - BALL_SIZE // 2, HEIGHT // 2 - BALL_SIZE // 2]
        ball_dir_x, ball_dir_y = BALL_SPEED_X, BALL_SPEED_Y
    if ball_pos[0] >= WIDTH - BALL_SIZE:
        player1_score += 1
        ball_pos = [WIDTH // 2 - BALL_SIZE // 2, HEIGHT // 2 - BALL_SIZE // 2]
        ball_dir_x, ball_dir_y = -BALL_SPEED_X, BALL_SPEED_Y

    # Draw paddles and ball
    pygame.draw.rect(screen, WHITE, (*player1_pos, PADDLE_WIDTH, PADDLE_HEIGHT))
    pygame.draw.rect(screen, WHITE, (*player2_pos, PADDLE_WIDTH, PADDLE_HEIGHT))
    pygame.draw.ellipse(screen, WHITE, (*ball_pos, BALL_SIZE, BALL_SIZE))

    # Draw score
    score_text = font.render(f"{player1_score} - {player2_score}", True, WHITE)
    screen.blit(score_text, (WIDTH // 2 - score_text.get_width() // 2, 20))

    # Refresh screen
    pygame.display.flip()
    clock.tick(60)



6. py 파일로 저장한다 (예: ping-pong)

7. 다시 cmd를 켜서 python ping-pong 

8. 게임 시작

How to Play
  • Player 1: Use W (up) and S (down) keys.
  • Player 2: Use the arrow keys UP (up) and DOWN (down).

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재 밌 다!!