3 ms·I got downvoted for pointing out the circles actually move? Weird.by rendall 6y agoI got downvoted for pointing out the circles actually move? Weird.viraptor 6y agoThey don't, that's the whole point. Check it again - they only seem to move.rendall 6y agoI disagree. The border pixel is changing between three non-background colors. I would define that as moving.