Help with project

I’m trying to make a (what I was thinking) really easy project for my university exam to simulate the difficult of reading with dislexya, but now it’s 2 days that I try to find solution to so many problems that I found so I ask if anyone have some tips to give to me.

My project is this, is base on a really easy logic, it’s 2 layer with 1 of moving text and the topper one all black with a mask that reveal the first layer in a specific area change the radius randomly (or base scaling) that follow the position of the mouse

I wish to use a node for the text that floating but it’ ok to use external tools to make it (idk like AfterEffects).

I have a lot of problem also with the base structure, I found
here
I found some that look like pretty close to what I want to make with the mask but it’s not really work with the text layer

If u have any recommendation any tips or other way to help me let me know!

you should post a small patch containing just the problem that shows where you stuck at.