Stu, I've had the same problem. I play on an ipad if that makes a difference. Occasionally, my settings get jacked up. The position I usually use for climbing changes and I will have to hold the ipad in a different position. I usually have to quit and reset my settings. Sucks, but you're not alone.

I have that to sometimes. I just reset the games calebrations and it works fine after that. I have noticed when u hold the device crooked when the room loads up it will sometimes mess up the controls too.

Hate when that happens

When i get in a tank and i get killed, spawn back into a plane my setting are all messed up. After respawning a few time settings go back to normal. Any one have this problem.