Lightcubes.
Localization in the SDK using light cubes and charger.
pose.is_valid and pose.origin_id
The SDK's world map: what can it contain?
  light cubes and charger
  user-created obstacles (rectangles)
Our planned world map.
Intro to collision detection.
Quaternions for pose


Rotating with the right hand rule:
  About Z:  X to Y
  About X:  Y to Z
  About Y:  Z to X