Drone hovercraft

Drone-like hovercraft with ability to avoid obstacles, leveling itself, moving in all directions.
A&D - Flying left & right
Right slider - Flying up & falling down
F - Triggering proximity sensors
W - Gear up
S - Gear down
Click above landing pad to trigger it

I'm open for new ideas on how to improve it or what to add! Make sure to include that in comments :)
More improvements coming soon, so stay tuned!

Make sure to open it in sandbox mode, so you can learn how it works, and who knows, maybe you'll improve it!

v1.1: Added landing pad and 'gears'