I know you can do maths in either, but the coordinate system in the game itself, what does that use? I think I read somewhere it’s 360 degrees but between -180 and 180 for each axis. is that right?

FRotator makes use of degrees for its Pitch, Yaw and Roll. According to the documentation found at FRotator | Unreal Engine Documentation , I quote: “Looking up and down (0=Straight Ahead, +Up, -Down)” Considering there are 360 degrees, and 0 is the ‘default’ so to speak, and + is up and - is down…