title: SceneKit water like in Badger example
body: <p>Does enybody know how to create water material like in badger example from Apple?</p>
  
  <p>There is a "geotherm_01" object in "scene.scn" and this object got materials "_1_terrasses_orange_water" and "_1_terrasses_eau" which creates water with slow animation that looks realistic.</p>
  
  <p>I've tried to repeat same materials in my testing project but can't get the same result.</p>