Creating an icon that fills up

Does anyone know how to make something like this fill-up?

My head:
https://gyazo.com/459d11b013b0f697b0d3cf8d6871a45f

Reality:
https://gyazo.com/278c537433b1477679772ae75427f1ad

There’s a resource like this:

3 Likes

I see. Thanks a lot for the help!