How do I calculate the left and right directions relative to the camera?

[LeedleLeeRocket (BigMummyMilkers)]

1. What do you want to achieve?
   I’m trying to make a flying system. I calculated the forward and back directions by doing

(myHRP.Position - camera.CFrame.p).unit

2. What is the issue?

I don’t know how to figure out the left and right directions.

3. What solutions have you tried so far? Did you look for solutions on the Developer Hub?

I’ve tried just inputting the camera’s right vector and its inversion but this causes the character to go right/left and go back towards the camera when ideally the character should go directly right/left.

[prime_kavv (Xinsu)]

cough

Get players movement direction relative to camera

If you take the Unit of the above Vector, you will get the direction they are moving relative to the camera; defined by the direction of x/y/z with a magnitude of 1. We simply don’t use the Y, since we aren’t checking if they are moving up and down in this case. local movementDirection = camera.CFrame:vectorToObjectSpace(humanoid.MoveDirection).Unit if math.abs(movementDirection.X) > math.abs(movementDirection.Z) then -- if x is negative then character is moving left, if its positive then the…