pygame window 顯示“無響應”

Question

當我運行我的 pygame 程序時，游戲 window 顯示沒有響應，我也寫了 quit function 但我不知道為什么它再次顯示沒有響應，我的筆記本電腦是 windows 8 位和 32 位

    import pygame

#initializing pygame
pygame.init()

# create game screen
screen = pygame.display.set_mode((800,600))

# Title and Icon
pygame.display.set_caption("Space Invader")
icon = pygame.image.load('spaceship.png')
pygame.display.set_icon(icon)

# Player
playerImg = pygame.image.load('player.png')
playerX = 370
playerY = 480
playerX_change = 0

def player(x,y):
    screen.blit(playerImg,(x,y))

# Game Loop
running = True
while running:

    # RGB - Red, Green, Blue
    screen.fill((0,0,0))
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()

        # if keystroke is pressed check the weather its right or left
        if event.type == pygame.KEYDOWN:
            if event.key == pygame.K_LEFT:
                playerX_change = -0.1
            if event.key == pygame.K_RIGHT:
                playerX_change = 0.1 
        if event.type == pygame.KEYUP:
            if event.key == pygame.K_LEFT or event.key == pygame.K_RIGHT:
                playerX_change = 0.1
        
        # 5 = 5 + -0.1 -> 5 = 5 - 0.1
        # 5 = 5 + 0.1
        playerX += player_change
        player(playerX, playerY)

        pygame.display.update()
    
       

Answer 1

這是Indentation的問題。 您必須在應用程序循環而不是事件循環中更新顯示。
此外，變量的名稱是playerX_change而不是player_change並且當釋放鍵時，您必須設置playerX_change = 0.0而不是playerX_change = 0.1 ：

running = True
while running:

    # RGB - Red, Green, Blue
    screen.fill((0,0,0))
    for event in pygame.event.get():
        if event.type == pygame.QUIT:
            pygame.quit()

        # if keystroke is pressed check the weather its right or left
        if event.type == pygame.KEYDOWN:
            if event.key == pygame.K_LEFT:
                playerX_change = -0.1
            if event.key == pygame.K_RIGHT:
                playerX_change = 0.1 
        if event.type == pygame.KEYUP:
            if event.key == pygame.K_LEFT or event.key == pygame.K_RIGHT:
                playerX_change = 0.0 # <---- 0.0 instead of 0.1


    #<--| INDENTATION
    # 5 = 5 + -0.1 -> 5 = 5 - 0.1
    # 5 = 5 + 0.1
    playerX += playerX_change
    player(playerX, playerY)

    pygame.display.update()