title: PIXI.js performance optimizations for large number of interactive circles
body: <p>I'm new to Pixi and was considering leveraging it to make a data visualization with a boatload of data points and labels. To experiment / get started, I created a quick app that renders a 100 random circles with labels on them, and included some basic interactivity on mouseover / mouseout. I've heard webgl will let me render thousands of nodes without issue, but if I try and set the count (on line 65 of the code) to 1000, my browser is almost ready to crash - forget interactivity. My guess is that I need to start looking at optimizations, but being new, I don't really know where to begin. Any advice?</p>
  
  <p>Example: <a href="https://www.pixiplayground.com/#/edit/WngviYj6fbBpNjqdqET5P" rel="nofollow noreferrer">https://www.pixiplayground.com/#/edit/WngviYj6fbBpNjqdqET5P</a></p>