Question About rounded hud.

I always wanted to know how to make a bar like that ?
The red but I suppose it’s health, and that’s what I want to figure out how to make.
I don’t even know how to start, if anyone could help me it would be great.

Found a thread you might enjoy

a bit advanced for me, but you could try to apply it

I will use this. It is a bit advance but I want to do it and thanks for help.