title: animation: make water wave
body: <p>I would like to build a simple animation for a school project.</p>
  
  <p>I want to make water wave within a box in such a way that tilting the device causes the water to wave in a direction rather the other.</p>
  
  <p>Is there a sample from where I can start to create such effect? Any help is super appreciated.</p>
  
  <p>Thx,
  mE</p>