Pertama Mencapai Lima
Termasuk bagian Proyek dalam perjalanan Pygame di Coddy. Pelajaran 19 dari 31.
Pemain pertama yang mencapai 5 poin menang. Simpan nama pemenang dalam variabel yang dimulai dengan None, nilai Python untuk "belum ada":
winner = None
if left_score == 5:
winner = "Left player wins!"
elif right_score == 5:
winner = "Right player wins!"Uji dengan winner is None atau winner is not None. Setelah seseorang menang, bola akan terus menunggu: tombol Space hanya melakukan servis saat winner is None.
Tampilkan pemenang di tengah pada (300, 120), menggantikan pesan servis.
Tantangan
Sedang- Sebelum perulangan, tetapkan
winner = None. - Setelah pemberian skor, tetapkan
winnermenjadi"Left player wins!"saatleft_score == 5, atau"Right player wins!"saatright_score == 5. - Tombol Space hanya melakukan servis saat
winner is None. - Saat ada pemenang, tampilkan pemenang di tengah pada
(300, 120), bukanPress Space to serve.
Coba sendiri
import pygame
pygame.init()
screen = pygame.display.set_mode((600, 400))
pygame.display.set_caption("Pong")
clock = pygame.time.Clock()
font = pygame.font.Font(None, 36)
ball = pygame.Rect(293, 193, 14, 14)
vx, vy = 5, 4
left = pygame.Rect(20, 160, 12, 80)
right = pygame.Rect(568, 160, 12, 80)
left_score = 0
right_score = 0
waiting = False
running = True
while running:
for event in pygame.event.get():
if event.type == pygame.QUIT:
running = False
elif event.type == pygame.KEYDOWN and event.key == pygame.K_SPACE:
waiting = False
keys = pygame.key.get_pressed()
if keys[pygame.K_w]:
left.y -= 6
if keys[pygame.K_s]:
left.y += 6
if keys[pygame.K_UP]:
right.y -= 6
if keys[pygame.K_DOWN]:
right.y += 6
left.clamp_ip(screen.get_rect())
right.clamp_ip(screen.get_rect())
if not waiting:
ball.x += vx
ball.y += vy
if ball.top <= 0 or ball.bottom >= 400:
vy = -vy
if ball.colliderect(left):
vx = abs(vx)
vy = (ball.centery - left.centery) // 6
if ball.colliderect(right):
vx = -abs(vx)
vy = (ball.centery - right.centery) // 6
if ball.left > 600:
left_score += 1
ball.center = (300, 200)
vx = -vx
waiting = True
if ball.right < 0:
right_score += 1
ball.center = (300, 200)
vx = -vx
waiting = True
screen.fill((30, 30, 46))
pygame.draw.rect(screen, (80, 160, 255), left)
pygame.draw.rect(screen, (235, 80, 80), right)
pygame.draw.rect(screen, (255, 196, 0), ball)
score = font.render(f"{left_score} : {right_score}", True, (240, 240, 240))
screen.blit(score, score.get_rect(center=(300, 30)))
if waiting:
message = font.render("Press Space to serve", True, (240, 240, 240))
screen.blit(message, message.get_rect(center=(300, 360)))
pygame.display.flip()
clock.tick(60)
pygame.quit()
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