Here is a blog post about this demo –  
<a href="https:&#x2F;&#x2F;mattdesl.svbtle.com&#x2F;generative-art-with-nodejs-and-canvas" rel="nofollow">https:&#x2F;&#x2F;mattdesl.svbtle.com&#x2F;generative-art-with-nodejs-and-c...</a><p>And source code –  
<a href="https:&#x2F;&#x2F;github.com&#x2F;mattdesl&#x2F;color-wander" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;mattdesl&#x2F;color-wander</a>