The UFO that floats overhead with the Abduction particle can block the camera in Ball Race and can block bullets/projectiles.
Equip the Abduction particle
Look down in Ball Race
Try shooting up. I was able to get it to happen a fair while playing Ghost Hunting which meant I couldn’t hit ghosts that were high up. Easier to reproduce in thirdperson.
It to not block the camera/weapons.
It blocked the camera/weapons.