Inspired by this post, I wrote a CoffeeScript implementation. This is a very interesting phenomena that revealed the beautiful philosophy behinds the nature, a slight push to the collection of simplicity can make miracles : D
As you can see, each particle is just moving around on a circle orbit with the same velocity, only the initial position is different. However, when they are made a whole, things begin to be interesting.
The picture below shows the particle’s positioning trick, as simple as middle school math: