TypeError: 'int'对象没有'__getitem__'属性错误

Question

我在游戏中有一个列表，用来存储子弹的X和Y坐标。当我按下空格键时，它会把一个X和Y坐标添加到这个列表里，然后我需要把这两个值调用出来并画出来。我知道在子弹离开屏幕后需要把它们删除，但现在每次我按空格键时，就会出现这个错误。

   TypeError:'int' object has no attribute '__getitem__'

这是我的代码：

#start system
import pygame, sys, random
from pygame.locals import*
pygame.init()
fps=50
Clock=pygame.time.Clock()#use fps as system time
#set up a list of STUFF
BLACK = ( 0, 0, 0)
WHITE = ( 255, 255, 255)
GREEN = ( 0, 100, 0)
RED   = ( 100, 0, 0)
YELLOW= (255,255,0)
ORANGE= (255,165,0)
screensizex=800
screensizey=600
bullets=[]
screenarea=pygame.display.set_mode((screensizex,screensizey))
pygame.display.set_caption("space invaders")
player_x=250
# end of variable init, begin main loop!
while 1==1:
    #key roster
    for event in pygame.event.get():
        if event.type==QUIT:
            pygame.quit()
            sys.exit()
        if event.type==KEYDOWN:
            if event.key==K_d and player_x<screensizex-25:
                player_x+=25
            if event.key==K_a:
                player_x-=25
            if event.key==K_SPACE:
                bullets.insert(player_x,665)
    #drawing to screen             
    screenarea.fill(WHITE)
    for bullet in bullets:
        pygame.draw.rect(screenarea,ORANGE,Rect(bullet[0],bullet[1],5,10))
    pygame.draw.rect(screenarea,GREEN,(0,screensizey-100,screensizex,100))
    pygame.draw.rect(screenarea,RED,(player_x,screensizey-125,25,25))
    pygame.display.update()
    Clock.tick(fps)

你能帮我一下吗？我该怎么调用这两个值呢？

Answer 1

看起来你是想把元组放进你的列表里，所以这个：

bullets.insert(player_x,665)

应该改成：

bullets.append((player_x,665))