Hello!   I'm trying to create a particle animation, something like this: http://i.imgur.com/OGpHy9m.gif The only thing difference is that i want each bubble to move a bit sideways as well.   I found most of what i needed on the forum but now I'm stuck.    As you can see in the codepen the bubbles move a bit but when the animation restarts it looks like a glitch, as i understand it, the bubbles start at their original x and y positions which is why that happen. I tried with yoyo set to tr