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XRFrame: fillJointRadii() method - Web APIs | MDN
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XRFrame: fillJointRadii() method
Limited availability
This feature is not Baseline because it does not work in some of the most widely-used browsers.
Experimental: This is an experimental technology
Check the Browser compatibility table carefully before using this in production.
Secure context: This feature is available only in secure contexts (HTTPS), in some or all supporting browsers.
The fillJointRadii() method of the XRFrame interface populates a Float32Array with radii for a list of hand joint spaces and returns true if successful for all spaces.
Syntax
js
fillJointRadii(jointSpaces, radii)
Parameters
jointSpaces-
An array of
XRJointSpaceobjects for which to obtain the radii. radii-
A
Float32Arraythat is populated with the radii of thejointSpaces.
Return value
A boolean indicating if all of the spaces have a valid pose.
Exceptions
TypeError-
Thrown if the length of
jointSpacesis larger than the number of elements inradii.
Examples
Obtaining radii for all joints of a hand
To efficiently get all radii for all 25 joints of each XRHand, you can use the fillJointRadii() method.
js
let radii1 = new Float32Array(25);
let radii2 = new Float32Array(25);
function onXRFrame(xrFrame, renderer) {
let hand1 = xrFrame.session.inputSources[0].hand;
xrFrame.fillJointRadii(hand1.values(), radii1);
let hand2 = xrFrame.session.inputSources[1].hand;
xrFrame.fillJointRadii(hand2.values(), radii2);
}
Specifications
| Specification |
|---|
| WebXR Hand Input Module - Level 1 # dom-xrframe-filljointradii |
Browser compatibility
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