Limited availability
The XRHand interface is pair iterator (an ordered map) with the key being the hand joints and the value being an XRJointSpace.
XRHand is returned by XRInputSource.hand.
size Read only Experimental
Returns 25, the size of the pair iterator.
The XRHand object is a pair iterator. It can directly be used in a for...of structure. for (const joint of myHand) is equivalent to for (const joint of myHand.entries()). However, it's not a map-like object, so you don't have the clear(), delete(), has(), and set() methods.
entries() Experimental
Returns an iterator with the hand joints/XRJointSpace pairs for each element. See Map.prototype.entries() for more details.
forEach() Experimental
Runs a provided function once per each hand joint/XRJointSpace pair. See Map.prototype.forEach() for more details.
get() Experimental
Returns a XRJointSpace for a given hand joint or undefined if no such hand joint key is in the map. See Map.prototype.get() for more details.
keys() Experimental
Returns an iterator with all the hand joint keys. See Map.prototype.keys() for more details.
values() Experimental
Returns an iterator with all the XRJointSpace values. See Map.prototype.values() for more details.
The XRHand object contains the following hand joints:
XRHand objects
const wristJoint = inputSource.hand.get("wrist");
const indexFingerTipJoint = inputSource.hand.get("index-finger-tip");
for (const [joint, jointSpace] of inputSource.hand) {
console.log(joint);
console.log(jointSpace);
}
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