实现与游戏逻辑并行运行的计时器(倒计时)

问题描述

我创建了一个数学问答游戏，可以向用户打印和方程式，例如 5 + 3 = ?，然后等待结果.如果答案正确，则用户赢，否则用户输.我想扩展游戏并添加一个功能，该功能将用户回答的时间限制为 3 秒，如果他不回答他就输了.

I have created a mathematical quiz game that prints and equation to the user like, 5 + 3 = ?, and waits for the result. If the answer is right the user wins if not the user loses. I want to extend the game and add a feature that places a time limit of 3 seconds for the user to answer, if he don't the he loses.

一开始我尝试使用 time 模块和 time.sleep() 函数，但这也延迟了整个程序的逻辑.

At the beggining I tried using the time module and the time.sleep() function but this also delayed the whole program's logic.

这是一个伪代码的想法:

Here is an idea with pseudo code:

    if (answer = wrong || time = 0)
         lost...

推荐答案

如果您想检查用户是否在回答时花费了很长时间，您可以使用 time 模块来计算差异:

if you want to check if the user took to long when he answered you can use the time module to calculate the diffrence:

start_time = time.time()
show_question()
answer = get_answer()
end_time = time.time()
if (answer = wrong || end_time - start_time > 3)
   lose()

如果您希望用户在 3 秒后松开(无需等待他们输入答案)，则必须使用线程，如下所示:

if you want the user to loose when 3 seconds as passed (without waiting for them to input a answer) you will have to use threading, like this:

timer = threading.Timer(3, lose)
show_question()
answer = get_answer()
timer.cancel()
if (answer = wrong)
    lose()

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