getTargetRaySpace() {

		if ( this._targetRay === null ) {

			this._targetRay = new Group();
			this._targetRay.matrixAutoUpdate = false;
			this._targetRay.visible = false;
			this._targetRay.hasLinearVelocity = false;
			this._targetRay.linearVelocity = new Vector3();
			this._targetRay.hasAngularVelocity = false;
			this._targetRay.angularVelocity = new Vector3();

		}

		return this._targetRay;

	}
Returns a group representing the target ray space of the XR controller.

@return {Group} A group representing the target ray space of the XR controller.