The XRJointPose interface is an XRPose with additional information about the size of the skeleton joint it represents.
XRJointPose.radius Read onlyThe radius (distance from skin) for a joint.
XRJointPose objectsCall XRFrame.getJointPose() with an XRJointSpace and an XRReferenceSpace to get an XRJointPose object.
navigator.xr
.requestSession({ optionalFeatures: ["hand-tracking"] })
.then(/* … */);
function renderFrame(session, frame) {
// …
for (const inputSource of session.inputSources) {
if (inputSource.hand) {
const indexFingerTipJoint = inputSource.hand.get("index-finger-tip");
frame.getJointPose(indexFingerTipJoint, referenceSpace); // XRJointPose
}
}
}