Ī 6DoF device, short for "Six Degrees of Freedom", is one that can track both rotation and translation, enabling precise 1:1 tracking in space.
3DoF devices do not respond to translational movements from the user, though they may employ algorithms to estimate translational changes based on modeling of the neck or arms. This is common in devices which rely exclusively on accelerometer and gyroscope readings to provide tracking. The terms 3DoF and 6DoF are used throughout this document to describe the tracking capabilities of XR devices.Ī 3DoF device, short for "Three Degrees of Freedom", is one that can only track rotational movement. Portions of this document that only apply to a subset of these devices will indicate so as appropriate. are generally understood to apply to any of the above. Terms like "XR device", "XR application", etc. The important commonality between them being that they offer some degree of spatial tracking with which to simulate a view of virtual content.
The WebXR Device API provides the interfaces necessary to enable developers to build compelling, comfortable, and safe immersive applications on the web across a wide variety of hardware form factors. It also brings unique security concerns for a platform like the web. Immersive computing introduces strict requirements for high-precision, low-latency communication in order to deliver an acceptable experience. The ability to interact directly with immersive hardware is critical to ensuring that the web is well equipped to operate as a first-class citizen in this environment. Hardware that enables Virtual Reality (VR) and Augmented Reality (AR) applications are now broadly available to consumers, offering an immersive computing platform with both new opportunities and challenges. Changes from the First Public Working Draft 5 Feburary 2019.Changes from the Working Draft 10 October 2019.Changes from the Working Draft 24 July 2020.13.9.1 Considerations for when to automatically grant "xr-session-supported".13.9 Fingerprinting considerations of isSessionSupported().13.4.2 Rounding, quantization, and fuzzing.13 Security, Privacy, and Comfort Considerations.This document is governed by the 2 November 2021 W3C Process Document. An individual who has actual knowledge of a patent which the individual believes contains EssentialĬlaim(s) must disclose the information in accordance with section W3C maintains a public list of any patentĭisclosures made in connection with the deliverables of the group that page also includes instructions for disclosing a patent. This document was produced by a group operating under the 1 August 2017 W3C Patent Policy. It is inappropriate to cite this document as other than work in progress. This is a draft document and may be updated, replaced or obsoleted by other documents at any time. Publication as a Candidate Recommendation does not imply endorsement by W3C and its Members.Ī Candidate Recommendation Draft integrates changes from the previous Candidate Recommendation that the Working Group intends to include in a subsequent Candidate Recommendation Snapshot. This document is intended to become a W3C Recommendation. This document was published by the Immersive Web Working Group as a Candidate Recommendation Draft using the Recommendation Pull requests with proposed specification text for outstanding issues are strongly encouraged. No decision has been taken on the outcome of these issues including whether they are valid. This draft highlights some of the pending issues that are still to be discussed in the working group. Reports that the group has not yet addressed. The Immersive Web Working Group maintains a list of all bug A list of current W3C publications and the latest revision of this technical report can be found in the W3C technical reports index at. This section describes the status of this document at the time of its publication.
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