@needle-tools/engine/lib/engine-components/webxr/WebXRRig.js

Needle Engine is a web-based runtime for 3D apps. It runs on your machine for development with great integrations into editors like Unity or Blender - and can be deployed onto any device! It is flexible, extensible and networking and XR are built-in.

var __decorate = (this && this.__decorate) || function (decorators, target, key, desc) {
    var c = arguments.length, r = c < 3 ? target : desc === null ? desc = Object.getOwnPropertyDescriptor(target, key) : desc, d;
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    return c > 3 && r && Object.defineProperty(target, key, r), r;
};
import { AxesHelper, Object3D } from "three";
import { serializable } from "../../engine/engine_serialization_decorator.js";
import { getParam } from "../../engine/engine_utils.js";
import { NeedleXRSession } from "../../engine/engine_xr.js";
import { Behaviour } from "../Component.js";
import { BoxGizmo } from "../Gizmos.js";
const debug = getParam("debugwebxr");
/**
 * A user in XR (VR or AR) is parented to an XR rig during the session.
 * When moving through the scene the rig is moved instead of the user.
 * @category XR
 * @group Components
 */
export class XRRig extends Behaviour {
    priority = 0;
    get isActive() { return this.activeAndEnabled && this.gameObject.visible; }
    /**
     * Sets this rig to be the active XR rig (needs to be called during an active XR session)
     * Note that this might modify the priority of this rig to be the highest.
    */
    setAsActiveXRRig() {
        NeedleXRSession.active?.setRigActive(this);
    }
    /**
     * Sets the priority of the rig.
     */
    setPriority(value) {
        this.priority = value;
    }
    /** @internal */
    awake() {
        if (debug) {
            const gizmoObj = new Object3D();
            gizmoObj.position.y += .5;
            this.gameObject.add(gizmoObj);
            const box = gizmoObj.addNewComponent(BoxGizmo);
            if (box)
                box.isGizmo = false;
            const axes = new AxesHelper(.5);
            this.gameObject.add(axes);
        }
    }
    isXRRig() {
        return true;
    }
    supportsXR(_mode) {
        return true;
    }
    _startScale;
    /** @internal */
    onEnterXR(args) {
        this._startScale = this.gameObject.scale.clone();
        args.xr.addRig(this);
        if (debug)
            console.log("WebXR: add Rig", this.name, this.priority);
    }
    /** @internal */
    onLeaveXR(args) {
        args.xr.removeRig(this);
        if (this._startScale && this.gameObject)
            this.gameObject.scale.copy(this._startScale);
    }
}
__decorate([
    serializable()
], XRRig.prototype, "priority", void 0);
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