Youtube video of the problem:
Though seems like the screen capture on my craptop is lagging a little so might be impossible to actually see the glitch.
I don't really know the source of the bug and I've tried a few things to see if it would affect but I couldn't narrow it down at all.
What happens is that when I move around everything shakes, at least if there is an interruption in the pattern it is noticeable. I figured it could have to do with that I both move the sprite and shape while I am also changing the sf::View of the render target. Though I removed so that I only moved sprites and shapes and not the view but I still had the "shakes".
Someone that looked over my shoulder while testing it on another graphics card thought it might be aliasing issues?
Just wondering if anyone has ideas?
Done with SFML2(not new graphics API) running on mobile Nvidia card and a really crappy laptop. Though the same result(though was long time ago) was viewable on a high-end machine.