BodyNav Test Drive - Anti Motion Sickness

SolKutTeR · 27. September 2018

Genau so was braucht VR, dass ganze basiert auf der OpenVR Umgebung sprich SteamVR und soll Anti Motion Sickness fördernd sein. Von Laufgeschwindigkeit bis dreh Tempo, oder Winkel mit welchen man sich dreht, kann man alles individuell einstellen und somit den Teleport Only Konzepten das Laufen beibringen.

Darüberhinaus auch eine Fortbewegung, nur mit der reinen Kopfbewegung:
(Somit VR wirklich jeden zugänglich machen.)

Eine 30 Tage Trial Lizenz ist bereits kostenlos erhältlich und die Software wartet nur darauf, bei Steam aufgenommen zu werden.

Bisher Kompatible Titel sind folgende:

The Elder Scrolls V: Skyrim VR

Doom VFR

Marvel Powers United VR

The Exorcist: Legion VR

L.A. Noire: The VR Case Files

Compound

REC Room

VR Chat

Fallout 4 VR

Onward

BodyNav Test Drive von MonkeyMedia

Locomotion-based motion sickness has long been a complaint among virtual reality gamers and drone pilots. Traditional headset experiences require a handheld controller (e.g. thumbstick, touchpad, gamepad, keyboard, etc.) for locomotion. Teleportation compromises immersive presence and smooth navigation leads to sensory imbalances that can cause dizziness and nausea (even when using room-scale sensor systems like HTC Vive and Oculus Rift). This leaves developers having to choose between comfort and immersion.
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BodyNav™ is a patented, body-based navigation technology that puts the body in direct control of movement through virtual space. Without any custom hardware, BodyNav uses a system’s built-in sensors for first-person view (FPV) navigation free of hand controls. Viewers simply lean forward to advance in space; lean back to reverse; tip left or right to strafe or sidestep; and rotate in place to look around. The more you lean, the faster you go. Because the interactions were designed to respond to natural bearing and balancing instincts, coordination is immediately obvious to adults as well as to children.
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BodyNav technology can easily be adapted to modernize your user experience. It enhances your first-person gaming, multi-camera performances and sporting events, video conferencing and telepresence applications, control of remote vehicles, street-view maps, augmented reality, architectural simulations, and 3D user interfaces for browsing documents and images.

For a limited time, MONKEYmedia is offering royalty-free licenses to developers interested in implementing BodyNav natively in their applications. This page explains how BodyNav works and allows you to sign up for a license. Be sure to download our Test Drive input emulator to get a feel for the user experience variables before implementing them yourself.
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Walking & Running
Locomotion in BodyNav is accomplished by pivoting the head or torso around the body’s x-axis. When one pivots forwards (like looking at the ground ahead of you while walking), the player’s avatar moves forward in the virtual space. Pivoting the body up (like looking to the sky) moves the avatar backwards. The rate of travel accelerates and slows in proportion to the pivot angle. It is a good idea to constrain both absolute and relative speeds to maintain the participant’s sense of walking or running at a comfortable pace.

Device pitch is used to determine the degree of pivot forward of the body, comparing the body’s pivot angle to a pivot origin and taking into consideration a pivot down neutral zone threshold. If the body’s pivot angle is greater than the pivot down origin but less than the pivot down neutral zone threshold, the avatar doesn’t move. If the participant’s body pitch down is greater than the pivot down neutral zone threshold then the avatar moves forward.

Likewise, pitch is used to determine the degree of pivot back of the body, compared with the pivot up origin and a pivot up neutral zone threshold. If the body’s pitch indicates a pivot up greater than the pivot up origin but less than the pivot up neutral zone threshold, then the avatar doesn’t move. If the participant’s pitch is greater than the pivot up neutral zone threshold, then the avatar moves backwards.

When wearing a VR headset, the origin is 0° pitch (level with the ground). But on a handheld tablet or phone device, the origin is more comfortable if set to 25-35° pitched down from level. The neutral zone around the origin is used to provide a bit of flexibility for wobble without initiating movement. In a VR headset, +/- 5° is sufficient, whereas on a tablet +/- 10° is more forgiving. Pivot origin preferences, however, may vary from participant to participant and application to application. The pivot origin can also be established on the fly by identifying the average resting posture of the device for a given participant during app launch. Origins and neutral zone thresholds may also be set and/or calibrated, individually or en masse, by participants in a preferences panel.

BodyNav Test Drive offers two built-in modes of locomotion acceleration. In the simplest linear acceleration mode, speed of avatar movement increases linearly from not moving until reaching the Neutral Zone Threshold to moving at full speed at a Max Speed Posture. Then, movement beyond Max Speed Posture and Extreme Posture Boundary, the avatar moves at full speed. Movement beyond the Extreme Posture Boundary is ignored.

In games where the player needs to be able to look all the way down to inspect, pick up and interact with virtual objects, there’s a more dynamic and equally natural modality. In Speed to Max then Slow acceleration mode, avatar speed increases linearly from the Neutral Zone Threshold to moving at full speed at a Max Speed Posture. Then … as the participant pivots further beyond Max Speed Posture, the avatar slows down until reaching the Extreme Posture Boundary, where the avatar stops moving entirely.
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Strafing & Side-stepping
Tipping postures involve a lateral leaning of the participant’s body roll, akin to turning an automobile steering wheel in a counter-clockwise (or clockwise) direction around the body’s z-axis. The further the player leans left or right, the faster the avatar side-steps in the virtual environment. The subtly of this body gesture enables sneakily strafing around corners, guns fully-loaded, without being seen by opponents.

When it comes to left/right tip centering, level (as detected by a device) isn’t necessarily the same as a person’s perceived sense of level. Some people hold one shoulder higher than another, some rest their head at a slight angle, others stand square. As a result, the world is framed differently for different people. Thus, calibrating to a participant’s resting position yields more comfortable interactions because it minimizes inadvertent input.

If the participant is standing upright facing forward (e.g. tip origin), they are established as looking straight ahead in the virtual world. When the participant tips their body left (or right), their view in the virtual world is moderately rotated counter-clockwise (or clockwise) around their z-axis to tip the left (or right), compensating for the difference between the virtual horizon and the real horizon as a result of the angle of lean.

The adjusted angle of the virtual world need not have a 1: 1 inverse correlation with the posture of the participant’s body or head. For example, the degree of counter-clockwise rotation that the virtual world moves can be dampened in comparison to the degree of tip right of the participant’s head. With a handheld device, this would provide sufficient feedback for the participant to maintain awareness of their movement of the device while softening that feedback enough to avoid distraction.
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BodyNav can be easily adapted into your applications to allow for hands-free locomotion, smoother user interactions in VR that eliminate motion sickness and enhance physical presence in the virtual world. To allow for users to experience BodyNav in the following tested VR games & applications on HTC Vive and Oculus Rift, we’ve engineered a Test Drive plugin for OpenVR. You’ll be able to experiment with control variables and perform robust A|B usability tests before writing any new code to implement BodyNav natively.
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Nützliche Suchen

BodyNav Test Drive - Anti Motion Sickness

SolKutTeR ADMIN VRF Team

Nützliche Suchen

SolKutTeR

ADMIN
VRF Team