@threlte/xr/dist/internal/useHandTrackingState.js

Tools to more easily create VR and AR experiences with Threlte

import { useThrelte } from '@threlte/core';
/**
 * There are some cases where we need to know if hand tracking is now active before an input source
 * connection or disconnection event. This is the way to do that.
 */
export const useHandTrackingState = () => {
    const { xr } = useThrelte().renderer;
    return () => {
        let handTracking = false;
        xr.getSession()?.inputSources?.forEach((value) => {
            if (value.hand) {
                handTracking = true;
            }
        });
        return handTracking;
    };
};