Hi guys, I'm new to processing and I need help

[glv]

Hello,

@jb4x

When you want to do something like this, a good way to start is to draw a sketch of how you want it to look like with the information that you know and the one that you want:

I like that response! And do enjoy the math.

What did you prepare the diagrams with?

A related discussion here but not a direct solution to this:

Finding the angle of an arc?

Hello, please excuse my crude drawing. I am looking to constrain the amount a circle rotates on the circumference of its parent circle. I have the center of both, and I already have a function that moves it around the angle with touch. Reason being, I have two circles on the outside and I don’t want them overlapping. Thanks! [MVIMG_20200710_154628]

:)