u/New_Tale_7650

I've been thinking about this a lot lately, and honestly, it’s kind of depressing. We all dream of a full dive SAO style game but when you actually look at the math and the physics, I’m starting to think it’s a technological dead end. And I'm not even talking about the ethical nightmare of hacking your brain or blocking your nerves.

Think about current game engines (Unity, Godot, Unreal). Everything we do is a massive lie. We use collision boxes instead of actual physics, baked lighting, simplified AI, and LODs. If you try to remove these cheats to get true, atomic level realism, the computational cost hits an exponential wall. simulating a world that feels real in real time without these tricks is just... impossible.

Ever noticed how objects tremble or jitter when they're far away from the center of the world? That’s floating point math failing us. Building a world the size of Aincrad with perfect precision isn't just a hardware issue; it's a fundamental limitation of how our current computers work.

Our brains are evolved to detect reality. The second there's a 2ms lag between your visual and your inner ear (vestibular system), you get motion sickness. Our brains are way more sensitive than any screen resolution. Achieving that perfect sensory bypass is centuries away, if it’s even possible at all.

I’m currently working on my own game dev project, and honestly, facing these engine limitations every day is what made me realize: we aren't building realities, we’re just building increasingly complex approximations.

Does anyone else feel like we're hitting a wall? Or do you think there's some kind of shortcut to immersion that we’re completely missing, and we’re just stuck in this cycle of visual tricks?

I’m currently developing a non-invasive Brain-Computer Interface (BCI) specifically designed for VR. My goal is to move past current controller-based locomotion and move toward an intention-based control system that allows for a comfortable, lying-down play experience.

To be clear: this is not magic, it’s not current-gen consumer VR. It uses an advanced BCI setup (going beyond standard EEG) that detects motor intent while filtering out actual muscle movement.

The catch? It’s not plug and play. It requires a calibration and learning phase (neurofeedback) where the user teaches the system to recognize their specific neural patterns effectively decoupling their physical body from the game's actions.

My question to the community: If this could grant you a level of immersion where you no longer need physical movement to play (where your intent becomes the action) would you be willing to put in a few days of mental training to calibrate the interface? Or is the "barrier to entry" too high for the average gamer?

I’m looking for honest feedback on whether this level of commitment is a deal breaker for the VR community or if the promise of full Dive is worth the effort.