Question Filled Sprite Shader

Hi every one! I'm realy need help with shader Graph, how could I make a shader graph wich like this(images)?
I mean I wana creat a shader graph wich was verry similar to fillamount, but it can used outside of the canvas.
I hope some one can help me .(Sorry for bad English)



(its not my projects i just found thes and i wodering about how to make it)

 

Hi @meszarosbundas here is a simplified example I made which might help you to get on the right path.

 

Thanks you!