How to make the hour and minute hands rotate according to the real time

[Gravic216]

How to make the hour and minute hands rotate according to the real time, I refer to the example of the clock provided on the website （ https://p5js.org/zh-Hans/examples/input-clock.html ） When I brought the code into it and this problem was happen, how to solve it, or any other way, thank you. This is my homework

[Chrisir]

Can you show your code?

I am not sure I understand your question.

Does the example not work?

[Gravic216]

Thank u I have done it, I just forget some codes

[jeremydouglass]

I see many copies of the second hand. Looks like the problem was that you didn’t call background(255) to clear the screen each time.