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, "MainPanel");
    }
    GameRootUI.MainCamera = this.MainCamera;
  }
}