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XRSpace interface of the WebXR Device API is an abstract interface providing a common basis for every class which represents a virtual coordinate system within the virtual world, in which its origin corresponds to a physical location. Spatial data in WebXR is always expressed relative to an object based upon one of the descendant interfaces of
XRSpace, at the time at which a given
XRFrame takes place.
Numeric values such as pose positions are thus coordinates in the corresponding
XRSpace, relative to that space's origin.
Below is a list of interfaces based on the
- Represents a reference space which may move within a region of space whose borders are defined by an array of points laid out in clockwise order along the floor to define the passable region of the space. The origin of an
XRBoundedReferenceSpaceis always at floor level, with its X and Z coordinates typically defaulting to a location near the room's center.
- Represents a reference space which is typically expected to remain static for the duration of the
XRSession. While objects may move within the space, the space itself remains fixed in place. There are exceptions to this static nature; most commonly, an
XRReferenceSpacemay move in order to adjust based on reconfiguration of the user's headset or other motion-sensitive device.
XRSpace interface defines no properties of its own; however, it does inherit the properties of its parent interface,
XRSpace interface provides no methods of its own. However, it inherits the methods of
EventTarget, its parent interface.
|WebXR Device API
The definition of 'XRSpace' in that specification.
|Working Draft||Initial definition.|
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