Make space for controls
Add in control panel background
Basic angle control
Added readout to angle control
Leave a note about rotation caching
Event system completion. Probably.
Add broadcast control
Alter plane speed
tweaked terrain gen for more consistent varied terrain
Alter how background generation is called in UI __init__
Half fixed set angle, still breaks between 0 and 90 when turning left
Fixed plane so it turns the right way now
Remove accidental test file
Merge branch 'megan'