setActorRotation always slightly off

Development Programming & Scripting
1

When I use 

setActorRotation(FRotator(0.0, 90.0, 0.0));

in my character class, it actually sets the yaw of my character to 89.999992. This is the same for -90.0, which gets set to -89.999992, and 180.0, which gets set to 179.999985. When i set it to 0.0 however, it works as expected.

I have no idea why this is happening, any help would be appreciated.

2

It might be a floating point rounding error. The numbers you’re passing to the FRotator are doubles and it takes floats, so it has to convert them. Try passing 0.f, 90.f, 0.f instead.

3

Hey ,

We have a related issue logged. If you want to keep track of it, you can do so here: https://issues.unrealengine.com/issue/UE-28883