我的点击器游戏中出现UnbloundLocalError，我不知道为什么

debugcn 发表于 Dev

Nanmuhong Ye

在声明变量增量之前，我遇到了错误。因此，当我打开商店并每次点击购买更多$$$时

请帮忙。

这是我的代码：

from time import sleep as wait
import os

coin = 0
autoclick = 0
incrementation = 25
uppergrades_bought = 1
increment = 1

clear = lambda: os.system('clear') 
def store():
  cmd = int(input("What do you want to do? 1 to buy autoclick and 2 to buy more money per click").strip())
  if cmd == 1:
    coin-incrementation*uppergrades_bought
    autoclick+=1
  elif cmd == 2:
    coin-incrementation*uppergrades_bought
    increment+=1

clear()

while 1 == 1:
  print("You have {} coins!".format(coin))
  coins = input("Press enter")
  clear()
  coin+=increment
  if coin>=incrementation*uppergrades_bought:
    storeyn = input("Hi, would you like to go into the store? you have enough to buy the next uppergrade")
    if storeyn.strip().lower() == "yes" or storeyn.strip().lower() == "y":
      store()
    elif storeyn.strip().lower() == "no" or storeyn.strip().lower() == "n" :
      pass
    else:
      pass
  else:
    pass

山姆威斯

您的store函数无权访问其尝试更新的值。有很多方法可以解决这个问题- global/nonlocal正如codewelldev所建议的那样，现在需要更改的代码量最少，但是随着程序的增长，这很可能在以后给您带来很多问题，而作为IMO的新手，您应该完全避免。我的建议是重组程序，以便将所有这些信息存储在一个类中：

from time import sleep as wait
import os


class ClickerGame:
    def __init__(self):
        self.coin = 0
        self.autoclick = 0
        self.incrementation = 25
        self.upgrades_bought = 1
        self.increment = 1

    def click(self) -> None:
        """Click once, gaining coins"""
        self.coin += self.increment

    def can_afford_upgrade(self) -> bool:
        """Check if there are enough coins to afford an upgrade"""
        return self.coin >= self.incrementation * self.upgrades_bought

    def buy(self, upgrade: int) -> None:
        """1 to buy autoclick and 2 to buy more money per click"""
        if upgrade == 1:
            self.autoclick += 1
        elif upgrade == 2:
            self.increment += 1
        else:
            raise ValueError(f"Invalid upgrade option {upgrade}")            
        self.coin -= self.incrementation * self.upgrades_bought
        self.upgrades_bought += 1

    def store(self) -> None:
        """Visit the store, prompting the user for a purchase."""
        try:
            cmd = int(input(
                f"What do you want to do? {self.buy.__doc__}"
            ).strip())
            self.buy(cmd)
        except ValueError as e:
            print(e)


def clear() -> None:
    os.system('clear')


clicker = ClickerGame()


while True:
    print(f"You have {clicker.coin} coins!")
    input("Press enter")
    clear()
    clicker.click()
    if clicker.can_afford_upgrade():
        storeyn = input(
            "Hi, would you like to go into the store? "
            "you have enough to buy the next upgrade"
        ).strip().lower()
        if storeyn in {"yes", "y"}:
            clicker.store()
        elif storeyn in {"no", "n"}:
            pass
        else:
            pass
    else:
        pass

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