Simulator sickness: Difference between revisions
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==Causes== | ==Causes== | ||
*Large and frequent acceleration | *Large and frequent acceleration | ||
*Loss of head tracking | |||
*Lack of control from user | *Lack of control from user | ||
*Using HMDs for prolonged period of time without breaks | *Using HMDs for prolonged period of time without breaks | ||
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===Developers=== | ===Developers=== | ||
*Avoid large acceleration (linear or angular), especially if the acceleration occurs frequently or over a prolonged period of time. | *Avoid large acceleration (linear or angular), especially if the acceleration occurs frequently or over a prolonged period of time. | ||
*Always maintain head tracking. Never stop head tracking even for a short period of time. | |||
*Avoid unexpected camera movements outside of the users' control. During cutscenes avoid moving the forcing the user to move his or her gaze. Instead, provide examples or suggestions to allow the user to look at the intended target him or herself. Foreshadowing and guiding impending camera movements can help alleviate simulator sickness. | *Avoid unexpected camera movements outside of the users' control. During cutscenes avoid moving the forcing the user to move his or her gaze. Instead, provide examples or suggestions to allow the user to look at the intended target him or herself. Foreshadowing and guiding impending camera movements can help alleviate simulator sickness. | ||
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*Avoid content with a lot of flickering especially high contrast flashing. Rapid flashing in 1-30Hz range can cause seizure in people with photosensitive epilepsy. | *Avoid content with a lot of flickering especially high contrast flashing. Rapid flashing in 1-30Hz range can cause seizure in people with photosensitive epilepsy. | ||
*Render 2D splash screens in 3D virtual spaces. Minimum of 3[[DOF]] of head tracking should be maintained to avoid discomfort.<ref name="cardboard_physical_considerations">http://www.google.com/design/spec-vr/designing-for-google-cardboard/physiological-considerations.html</ref> | |||
*Do not allow the screen to freeze, even for a short time. Fade to black while maintaining audio if needed. | |||
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