Using color adjustment and filters, I've simulated the iOS spotlight animation. Learn how you can apply these filters at https://proto.io/en/new-features/adjustments-filters/

If you need to get the Y position of a vertically scrolling container, create a text box. Then on the container scroll trigger, set a variable that evaluates the numerical callback value from the event (Y position). Then add a callback that changes the text property of the text box by reading from the variable.

A score based filter system that I hacked using variables. Each of the 10 cities is assigned a score for avg temperature, Taxes, and Cost of living, and when the sliders correspond to those values cumulatively, those cities show up on the map.

This is an example of a Navigation Bar that disappears on any downward scroll and re-appears on on any upward scroll.

monitoring app

Interaction prototype of the image behaviour from the Facebook Paper app.