init

src/babylonjs/MainApp.ts

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+/**
+ * @file MainApp.ts
+ * @description 主应用类，负责初始化和协调所有子模块
+ */
+
+import { AppDom } from './AppDom';
+import { AppEngin } from './AppEngin';
+import { AppScene } from './AppScene';
+import { AppCamera } from './AppCamera';
+import { AppLight } from './AppLight';
+import { AppEnv } from './AppEnv';
+import { AppModel } from './AppModel';
+import { AppConfig } from './AppConfig';
+
+/**
+ * 主应用类 - 3D场景的核心控制器
+ * 负责管理DOM、引擎、场景、相机、灯光、环境、模型和动画等子模块
+ */
+export class MainApp {
+    appDom: AppDom;
+    appEngin: AppEngin;
+    appScene: AppScene;
+    appCamera: AppCamera;
+    appModel: AppModel;
+    appLight: AppLight;
+    appEnv: AppEnv;
+
+
+    constructor() {
+        this.appDom = new AppDom();
+        this.appEngin = new AppEngin(this);
+        this.appScene = new AppScene(this);
+        this.appCamera = new AppCamera(this);
+        this.appModel = new AppModel(this);
+        this.appLight = new AppLight(this);
+        this.appEnv = new AppEnv(this);
+
+        window.addEventListener("resize", () => this.appEngin.handleResize());
+    }
+
+    /**
+     * 加载应用配置
+     * @param config 配置对象
+     */
+    loadAConfig(config: any): void {
+        AppConfig.container = config.container || 'renderDom';
+        AppConfig.modelUrlList = config.modelUrlList || [];
+        AppConfig.success = config.success;
+        AppConfig.error = config.error;
+    }
+
+    loadModel(): void {
+        this.appModel.loadModel();
+    }
+
+    /** 唤醒/初始化所有子模块 */
+    async Awake(): Promise<void> {
+        this.appDom.Awake();
+        this.appEngin.Awake();
+        this.appScene.Awake();
+        this.appCamera.Awake();
+        this.appLight.Awake();
+        this.appEnv.Awake();
+
+        this.appModel.initManagers();
+        this.update();
+    }
+
+    /** 启动渲染循环 */
+    update(): void {
+        if (!this.appEngin.object) return;
+        this.appEngin.object.runRenderLoop(() => {
+            this.appScene.object?.render();
+            this.appCamera.update();
+        });
+    }
+
+    /** 销毁应用，释放所有资源 */
+    async dispose(): Promise<void> {
+        this.appModel?.clean();
+        this.appEnv?.clean();
+    }
+}