我哪里錯了呀，嗚嗚嗚[大哭]

點(diǎn)空格報(bào)錯并閃退

報(bào)錯：

Traceback (most recent call last):

?File "d:\python_procedure\tank_war\tank_war.py", line 116, in <module>

??player.shoot()

?File "d:\python_procedure\tank_war\tank_war.py", line 64, in shoot

??bullet = Bullet(self.rect.centerx,self.rect.centery,self.direction)

???????^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

?File "d:\python_procedure\tank_war\tank_war.py", line 73, in __init__

??self.bullet = pygame.image.load(self.bullets[0])

?????????^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

FileNotFoundError: No file './img/bullet/bullet_up.png' found in working directory 'D:\python_procedure'.

報(bào)錯的圖片：

文件是有的：

源代碼：

import pygame

import os

import random

import pathlib

FPS = 120

WIDTH = 1000

HEIGHT = 600

COLOR1 = (0,0,0)

COLOR2 = (255,255,255)

COLOR3 = (30,210,240)

COLOR4 = (40,220,180)

pygame.init()

screen = pygame.display.set_mode((WIDTH,HEIGHT))

pygame.display.set_caption('坦克大戰(zhàn)')

clock = pygame.time.Clock()

folder = pathlib.Path(__file__).parent.resolve()

running = True

class Player(pygame.sprite.Sprite):

? ? def __init__(self):

? ? ? ? super().__init__()

? ? ? ? tank_img = pygame.image.load(os.path.join(folder,"img/myTank","tank_T1_0.png")).convert()

? ? ? ? self.tank = tank_img

? ? ? ? self.tank.set_colorkey(COLOR2)

? ? ? ? self.image = self.tank.subsurface((0,0),(48,48))

? ? ? ? self.rect = self.image.get_rect()

? ? ? ? self.rect.centerx = WIDTH / 2

? ? ? ? self.rect.bottom = HEIGHT - 10

? ? ? ? self.speed = 8

? ? ? ? self.direction = "UP"

? ? def update(self):

? ? ? ? key_pressed = pygame.key.get_pressed()

? ? ? ? if key_pressed[pygame.K_RIGHT]:

? ? ? ? ? ? self.rect.x += self.speed

? ? ? ? ? ? self.direction = "RIGHT"

? ? ? ? ? ? self.image = self.tank.subsurface((0,144),(48,48))

? ? ? ? if key_pressed[pygame.K_LEFT]:

? ? ? ? ? ? self.rect.x -= self.speed

? ? ? ? ? ? self.direction = "LEFT"

? ? ? ? ? ? self.image = self.tank.subsurface((0,96),(48,48))

? ? ? ? if key_pressed[pygame.K_DOWN]:

? ? ? ? ? ? self.rect.y += self.speed

? ? ? ? ? ? self.direction = "DOWN"

? ? ? ? ? ? self.image = self.tank.subsurface((0,48),(48,48))

? ? ? ? if key_pressed[pygame.K_UP]:

? ? ? ? ? ? self.rect.y -= self.speed

? ? ? ? ? ? self.direction = "UP"

? ? ? ? ? ? self.image = self.tank.subsurface((0,0),(48,48))

? ? ? ? if(self.rect.right > WIDTH):

? ? ? ? ? ? self.rect.right = WIDTH

? ? ? ? if(self.rect.left < 0):

? ? ? ? ? ? self.rect.left = 0

? ? ? ? if(self.rect.bottom > HEIGHT):

? ? ? ? ? ? self.rect.bottom = HEIGHT

? ? ? ? if(self.rect.top < 0):

? ? ? ? ? ? self.rect.top = 0

? ? def shoot(self):

? ? ? ? bullet = Bullet(self.rect.centerx,self.rect.centery,self.direction)

? ? ? ? all_sprites.add(bullet)

class Bullet(pygame.sprite.Sprite):

? ? def __init__(self,x,y,direction):

? ? ? ? super().__init__()

? ? ? ? self.bullets = ['./img/bullet/bullet_up.png','./img/bullet/bullet_down.png','./img/bullet/bullet_right.png','./img/bullet/bullet_left.png']

? ? ? ? self.direction = direction

? ? ? ? if self.direction == "UP":

? ? ? ? ? ? self.bullet = pygame.image.load(self.bullets[0])

? ? ? ? if self.direction == "DOWN":

? ? ? ? ? ? self.bullet = pygame.image.load(self.bullets[1])

? ? ? ? if self.direction == "RIGHT":

? ? ? ? ? ? self.bullet = pygame.image.load(self.bullets[2])

? ? ? ? if self.direction == "LEFT":

? ? ? ? ? ? self.bullet = pygame.image.load(self.bullets[3])

? ? ? ? self.image = self.bullet

? ? ? ? self.image.set_colorkey(COLOR2)

? ? ? ? self.rect = self.image.get_rect()

? ? ? ? self.rect.x = x

? ? ? ? self.rect.y = y

? ? ? ? self.speed = 10

? ? def update(self):

? ? ? ? if self.direction == "UP":

? ? ? ? ? ? self.rect.y -= self.speed

? ? ? ? if self.direction == "DOWN":

? ? ? ? ? ? self.rect.y += self.speed

? ? ? ? if self.direction == "LEFT":

? ? ? ? ? ? self.rect.x -= self.speed

? ? ? ? if self.direction == "RIGHT":

? ? ? ? ? ? self.rect.x += self.speed

? ? ? ? if self.rect.bottom > HEIGHT:

? ? ? ? ? ? self.kill()

? ? ? ? if self.rect.top < 0:

? ? ? ? ? ? self.kill()

? ? ? ? if self.rect.right > WIDTH:

? ? ? ? ? ? self.kill()

? ? ? ? if self.rect.left < 0:

? ? ? ? ? ? self.kill()

all_sprites = pygame.sprite.Group()

player =Player()

all_sprites.add(player)

while running:

? ? clock.tick(FPS)

? ? for event in pygame.event.get():

? ? ? ? if event.type == pygame.QUIT:

? ? ? ? ? ? running = False

? ? ? ? elif event.type == pygame.KEYDOWN:

? ? ? ? ? ? if(event.key == pygame.K_SPACE):

? ? ? ? ? ? ? ? player.shoot()

? ? screen.fill(COLOR1)

? ? all_sprites.update()

? ? all_sprites.draw(screen)

? ? pygame.display.update()

pygame.quit()