Instead of sticking rigidly to your face, the text "drifts" or lags behind your head movement slightly. This feels more natural and reduces the "HUD" eye-strain effect.
In a standard movie, you always know where the viewer is looking—straight ahead. In VR, the viewer is the camera. If a character speaks behind you and the subtitles appear in front of you, you lose the spatial connection. Worse, "fixed-to-face" text that follows your head movement perfectly can cause motion sickness for some users. Leading Industry Methods subtitle Oculus
Some games anchor speech bubbles directly to the character speaking. If the character moves, the text moves with them, maintaining a sense of depth and spatial awareness. How to Get Started Instead of sticking rigidly to your face, the
If you’re a creator looking to add subtitles to your project: In VR, the viewer is the camera