@needle-tools/engine/lib/engine-components/utils/LookAt.d.ts

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.

import { Object3D } from "three";
import { type UsdzBehaviour } from "../../engine-components/export/usdz/extensions/behavior/Behaviour.js";
import { USDObject } from "../../engine-components/export/usdz/ThreeUSDZExporter.js";
import { Behaviour } from "../Component.js";
/**
 * LookAt behaviour makes the object look at a target object or the camera.
 * It can also invert the forward direction and keep the up direction.
 */
export declare class LookAt extends Behaviour implements UsdzBehaviour {
    /**
     * The target object to look at. If not set, the main camera will be used.
     */
    target?: Object3D;
    /**
     * Inverts the forward direction.
     */
    invertForward: boolean;
    /**
     * Keep the up direction.
     */
    keepUpDirection: boolean;
    /**
     * Copy the target rotation.
     */
    copyTargetRotation: boolean;
    private static flipYQuat;
    /** @internal */
    onBeforeRender(): void;
    /** @internal */
    createBehaviours(ext: any, model: USDObject, _context: any): void;
}