Body Leveling

Body leveling logic will return the relationship between the agent and the 0 transformation space, using lean sentences, you can test is agent lean up/down or lean left/right

• I lean UP/DOWN
  
• I lean to LEFT/RIGHT
  
  

In below picture, the default is grey box, and the the blue one's z-axis point upper place, it lean up.

I lean UP

In below picture, the default is grey box, and the the blue one's x-axis point lower place, it lean to left

I lean to LEFT

This can be used to control bird flying, if lean up, flap wings faster, if lean down, stop flapping and playback action "glide"

(Left) flying up, wing flapping, (right) heading down, stop flapping