So as mentioned in a previous post, I'm following the advice @OSUblake & have been taking apart projects to try and learn as much as possible. My focus is creating a really nice slider that can be updated and made more complex as I learn. I'm not quite confident enough to make from scratch with GASP, so I'm using a friends Flickity logic for the slider & slowly converting it over.
See the Pen RQEVyL?editors=0010 by smallio (@smallio) on CodePen.&
Here is partial demo of how you can achieve it. I have added new code at the end of the previous code so you can see what I have changed. To understand what I have done and how you can further improve this slider to get your complete effect, you must study the previous code. If you want to do custom slider etc things you will have to dive in completely and understand math behind it.
To further update it you will need to redo the same "mapping" for scrubber when you move slides, you w