Angle
This is a ROS message definition.
Source
# Holds Angle information for a NAO V6
# Units are in rad
# x axis is rotating Nao left / right (vertical rotation)
# - If Nao is facing towards you, rotating it to the left is positive
# - Conversely, rotating it to the right is negative
float32 x
# y axis is rotating Nao back / forward
# - Forward is positive angle
# - Backwards is negative angle
float32 y