Vr HMD moves forward the centre of gravity of the head. And you need to push back the head to rebalance it. The horizontal line is at world location so if you want to look the horizon line then you need to make constant force in the neck. Energy is consume and incoherence between normal situation makes feel as if is accelerating.
To avoid this little problem, the consumer product needs to be rethink, rebalancing the headset C.G. (adding weight in the back of the HMD) in a way...
VR HMD moves forward the center of gravity of the head creating small feeling of nausea VR Sickness
To avoid this little problem, the consumer product needs to be rethink, rebalancing the headset C.G. (adding weight in the back of the HMD) in a way...
VR HMD moves forward the center of gravity of the head creating small feeling of nausea VR Sickness