18xchat/assets/Scripts/Sub/MainScene.ts

import { _decorator, Camera, Component, Node } from "cc";
import GameRootUI from "../Main/Common/GameRootUI";

const { ccclass, property } = _decorator;

//主界面场景
@ccclass('MainScene')
export class MainScene extends Component {

    @property(Node)
    UIRoot: Node = null
    @property(Node)
    UILayerMod: Node = null
    @property(Camera)
    MainCamera: Camera = null

    start() {
        //每个场景必须添加的
        let gameRootUI = this.node.getComponent(GameRootUI)
        if (!gameRootUI){
            gameRootUI = this.node.addComponent(GameRootUI)
            gameRootUI.InitByCreate(this.UIRoot, this.UILayerMod, "ThemePanel");
        }
        GameRootUI.MainCamera = this.MainCamera
    }
}