python - 生命计数器不断重置

Question

我最近开始使用 pygame，但遇到了麻烦。我的生命计数器在我的程序中不起作用。

import pygame, time, random

pygame.init() # Initializes Pygame

display_width = 1280
display_height = 720

gameDisplay = pygame.display.set_mode((display_width,display_height))
pygame.display.set_caption('Cube Game')

black = (0,0,0)
white = (255,255,255)

clock = pygame.time.Clock()

def life(lives):
    font = pygame.font.SysFont(None, 25);
    text = font.render("Lives: " + str(lives), True, white)
    gameDisplay.blit(text,(1200,5))

def score(count):
    font = pygame.font.SysFont(None, 25);
    text = font.render("Score: " + str(count), True, white)
    gameDisplay.blit(text,(5,5))

def enemyBall(ballx, bally, ballr, color):
    pygame.draw.circle(gameDisplay, color, [ballx, bally], ballr)

# Creates Location for the Cube
def cube(x,y,side):
    pygame.draw.rect(gameDisplay, white, [x, y, side, side])

def text_objects(text, font):
    textSurface = font.render(text, True, white)
    return textSurface, textSurface.get_rect()

def message_display(text):
    largeText = pygame.font.Font('freesansbold.ttf', 50)
    TextSurf, TextRect = text_objects(text, largeText)
    TextRect.center = ((display_width/2),(display_height/2))
    gameDisplay.blit(TextSurf, TextRect)

    pygame.display.update()

    time.sleep(2)

    __init__()

def dead():
    gameDisplay.fill(black)
    message_display('You have fallen out of the castle and died!')


# Game Loop
def __init__():
    x = ((display_width/2) - 30)
    y = (display_height - 70)
    side = 60

    x_change = 0

    ballx_change = 25
    bally_change = 25
    ball_radius = 50

    ball_startx = random.randrange(26, (display_width-ball_radius-1))
    ball_starty = random.randrange((ball_radius+1), 100)

    death = False
    goodbye = False
    myLives = 3
    myScore = 0


    # If Player has not Died
    while not death:

        for event in pygame.event.get():
            if event.type == pygame.QUIT:
                death = True
                pygame.display.quit()
                pygame.quit()
                quit()


            # Key is still Pressed
            if event.type == pygame.KEYDOWN:
                if event.key == pygame.K_LEFT:
                    x_change = -10
                if event.key == pygame.K_RIGHT:
                    x_change = 10

            # Key is no longer Pressed
            if event.type == pygame.KEYUP:
                if event.key == pygame.K_LEFT or event.key == pygame.K_RIGHT:
                    x_change = 0

        x += x_change


        gameDisplay.fill(black)

        # Defines the enemy ball
        enemyBall(ball_startx, ball_starty, ball_radius, white)
        ball_startx += ballx_change
        ball_starty += bally_change

        # Wall Collision
        if ball_startx - ball_radius <= 0 or ball_startx + ball_radius >= display_width:
            ballx_change = -ballx_change
            myScore += 1
        if ball_starty - ball_radius <= 0 or ball_starty + ball_radius >= display_height:
            bally_change = -bally_change
            myScore += 1

        # Determines Player Position
        cube(x,y,side)

        # Score and Life Counter
        score(myScore)
        life(myLives)

        # Death by Abyss
        if x > display_width or x < -50:
            myLives -= 1
            dead()

        # Death by Ball
        if ball_startx + ball_radius >= x and ball_startx - ball_radius <= x + side:
            if ball_starty + ball_radius >= y and ball_starty - ball_radius <= y + side:
                myLives -= 1
                dead()

        pygame.display.update()
        clock.tick(60)

time.sleep(2)
__init__()
pygame.display.quit()
pygame.quit()
quit()

我有一个声明，当玩家死亡时，生命计数器会减少一。然而，生命计数器似乎重置为 3(原始数量)。我需要改变什么来修复生命计数器？谢谢!

Answer 1

dead() 调用 message_display()，它再次调用您的 init()。在每次调用 init() 时，您都会再次设置 myLives = 3。