Hello,
Welcome to the Processing forum.
Please read the Processing FAQ and Guidelines:
1 . https://discourse.processing.org/faq
2 . Guidelines - Tips on Asking Questions
3 . Guidelines - How to Answer Questions
Please format your code:
https://discourse.processing.org/faq#format-your-code
Lots of resources on the Processing website to start you on your journey:
https://processing.org/
:)