anchor.diff:  
   == Best Practices
   
  -[TIP]
  -====
   Use the getControl() accessor to get Control objects from Spatials. No need to pass around lots of object references.
   Here an example from the link:http://code.google.com/p/monkeyzone/[MonkeyZone] code:
  -====
   
   [source,java]
   ----
  
positive.code: [TIP]
  ====
  Use the getControl() method on a Spatial to get a specific Control object, and activate its behaviour!
  ====
  
  [source,java]
  ----
  ManualControl c = mySpatial.getControl(ManualControl.class);
  c.steerX(steerX);
  ----
  
negative.code: 
  Usage example:
  
  . Create a custom control interface.
  +
  [source,java]
  ----
  