Show HN: Metaballs efficiently with a GLSL shader

I wrote a blog post about this: <a href="http:&#x2F;&#x2F;www.appsketch.xyz&#x2F;p&#x2F;3" rel="nofollow">http:&#x2F;&#x2F;www.appsketch.xyz&#x2F;p&#x2F;3</a>