I suggested this on PlayStation Blog Share and am surprised it made it considering it involves the PS4. I am interested in what kind of discussion this will start. I personally find this an ideal form of advancing gameplay. Not only will it provide the best level of 3D possible, it will dramatically change the game and create almost total immersion. Like something you've never experienced before.
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Using the 3D Viewer and Move, next gen gaming can allow you to be in the game. The viewer would allow gamers to look in any direction as if they were in the game, utilizing a camera for head tracking.
Essentially throwing sixaxis in the 3D personal viewer, along with a motion depth camera (playstation eye 2.0) your head will serve as the right analog stick in any first person game.
In a FPS for example, you could look left to see what is there. Using a move controller, navigator, and the sharpshooter; you can point your gun to what you are looking at and shoot it. Your character will still be facing forward just like you are in real life. The new camera would allow you control your character placement in the game with your actual body. Turn your body left, your character will do the same thanks to motion tracking. Using the move, you could see your weapon in hand in the game where you hold it in real life.
Worried you might fall over or run into something? Sit in a rotating chair or just use a dualshock controller, you will still be able to look around with your head though as if you had two right analog sticks just without the need to spin around.
Before the PS3 everyone was nice to me :(