@threlte/xr/dist/hooks/useController.svelte.js

Tools to more easily create VR and AR experiences with Threlte

import { getControllerState } from '../internal/inputSources.svelte.js';
import { runeToCurrentReadable } from './currentReadable.svelte.js';
const controllerObjects = new WeakMap();
const toXRController = (state) => {
    if (state === undefined)
        return undefined;
    let controller = controllerObjects.get(state);
    if (controller !== undefined)
        return controller;
    controller = {
        inputSource: state.inputSource,
        targetRay: state.targetRay,
        grip: state.grip,
        model: state.model
    };
    controllerObjects.set(state, controller);
    return controller;
};
class Controllers {
    get left() {
        return toXRController(getControllerState('left'));
    }
    get right() {
        return toXRController(getControllerState('right'));
    }
    get none() {
        return toXRController(getControllerState('none'));
    }
}
export const controllers = new Controllers();
/**
 * Provides a reference to a current XRController, filtered by handedness.
 */
export const useController = (handedness) => {
    switch (handedness) {
        case 'left':
            return runeToCurrentReadable(() => controllers.left);
        case 'right':
            return runeToCurrentReadable(() => controllers.right);
        case 'none':
            return runeToCurrentReadable(() => controllers.none);
        default:
            throw new Error('useController handedness must be left, right, or none.');
    }
};