This is a simple loading bar, not a complex one. What is happening is that a little yellow ball is cloning itself and after 10 seconds, it hides. The Bar and Loading Icon wait 11 seconds and then, everything loads. See? Not complex. So... If you'd like to, why don't you check out my first digital clock?
Well... I had inspiration by someone (Which I forgot the name) and they have a complex one, so I made it simple and this is only 3 sprites (Excluding the Thumbnail)