<canvas class=trs id="blob" width="800" height="400">
  the story of blob(s) if full with ...
  </canvas><br>
  

  <h6>
  j = <a href="javascript:blobColl.join()">join</a>, h = <a href="javascript:blobColl.split()">split</a>, g = <a href="javascript:toggleGravity()">gravity</a> (on/off) /
  <a href="javascript:stop()">pause</a> /
  <a href="javascript:start()">resume</a>
  </h6>
  
 javascript / configure(s) / physic(s)