As the character in [Chameleon Run][1] runs, a water-like blur effect is created. I would really appreciate some guidelines on how I could create this effect in SpriteKit and Unity. Please see the image below.

[![enter image description here][2]][2]


  [1]: https://www.youtube.com/watch?v=DrIAedC-wJY
  [2]: https://i.sstatic.net/V8yfR.jpg