Question

我正在使用pygame制作游戏。当玩家死亡时，它会播放“游戏结束”音乐，但会播放多次。我将循环设为0，但它又播放了多次。

import pygame

pygame.init()

# creating our window
win = pygame.display.set_mode((800, 480))
pygame.display.set_caption("My First Game")

# creating our icon
game_icon = pygame.image.load('logo.png')
pygame.display.set_icon(game_icon)

# player variables
player_x = 0
player_y = 240

# jumping variables
is_jump = False
jump_count = 10

# enemy variables
enemy_x = 100
enemy_y = 240
enemy_left = False
enemy_right = True

# dead variable
is_dead = False

# score and score timer variables
score = 0
score_timer = 0

# main loop
run = True
while run:
    pygame.time.delay(50)
    # checking if user pressed the exit button(he probly rage quit) then quiting our game
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            run = False
    # controls
    keys = pygame.key.get_pressed()
    # left control
    if keys[pygame.K_LEFT] and player_x != 0:
        player_x -= 5
    # right control
    if keys[pygame.K_RIGHT] and player_x != 735:
        player_x += 5
    # jump control
    if not(is_jump) and not(is_dead):
        if keys[pygame.K_UP]:
            is_jump = True
            pygame.mixer.music.load("jump.wav")
            pygame.mixer.music.play(loops=0)
    elif not(is_dead):
        if jump_count >= -10:
            neg = 1
            if jump_count < 0:
                neg = -1
            player_y -= (jump_count ** 2) * 0.5 * neg
            jump_count -= 1
        else:
            is_jump = False
            jump_count = 10

    # drawing player and enemy
    if not(is_dead):
        player = pygame.draw.rect(
            win, (255, 0, 0), (player_x, player_y, 64, 64))
        enemy = pygame.draw.rect(win, (0, 0, 255), (enemy_x, enemy_y, 64, 64))

    # enemy movement
    if enemy_right:
        enemy_x = enemy_x + 5
        if enemy_x == 735:
            enemy_right = False
            enemy_left = True
    if enemy_left:
        enemy_x = enemy_x - 5
        if enemy_x == 0:
            enemy_left = False
            enemy_right = True

    # checking collision between enemy and player
    if player.colliderect(enemy):
        is_dead = True

    # checking if collision has happend and player died
    if is_dead:
        # displaying game over if player is dead
        font_over = pygame.font.Font("freesansbold.ttf", 64)
        game_over = font_over.render("Game Over", True, (255, 255, 255))
        win.blit(game_over, (230, 200))
        # dead sound
        pygame.mixer.music.load("over.wav")
        pygame.mixer.music.play(loops=0)

    # displaying score
    font_score = pygame.font.Font("freesansbold.ttf", 32)
    score_text = font_score.render(
        "Score: " + str(score), True, (255, 255, 255))
    win.blit(score_text, (0, 0))

    # score and score timer
    if not(is_dead):
        score_timer += 1
        if score_timer == 60:
            score += 1
            score_timer = 0

    # updating our window and filling it black
    pygame.display.update()
    win.fill((0, 0, 0))

# quiting the game if user no longer whants to play
pygame.quit()

Answer 1

只有在玩家退出时，您才退出主游戏循环（运行时）。并且您正在运行该代码以在循环的每个迭代中通过音乐玩游戏，因此，一旦将is_dead变量设置为true，则每次运行主循环时（在用户退出应用程序之前）将重复通过音乐进行游戏的代码。）。

要解决此问题，您可以声明变量hasPlayedGameOverSound = False。也许在声明is_dead变量之后最好。然后将＃死音注释后的两行更改为

if not hasPlayedGameOverSound:
    pygame.mixer.music.load("over.wav")
    pygame.mixer.music.play(loops=0)
    hasPlayedGameOverSound = True

这应该确保声音游戏只能播放一次

如何修复多次播放的pygame音乐？

1 个答案: