init

src/babylonjs/AppEngin.ts

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+import { Engine } from '@babylonjs/core/Engines/engine';
+import { Monobehiver } from '../base/Monobehiver';
+
+/**
+ * 渲染引擎管理类 - 负责创建和管理3D渲染引擎
+ */
+export class AppEngin extends Monobehiver {
+    object: Engine | null;
+    canvas: HTMLCanvasElement | null;
+
+    constructor(mainApp: any) {
+        super(mainApp);
+        this.object = null;
+        this.canvas = null;
+    }
+
+    Awake(): void {
+        this.canvas = this.mainApp.appDom.renderDom;
+        if (!this.canvas) {
+            throw new Error('Render canvas not found');
+        }
+        this.object = new Engine(this.canvas, true, {
+            preserveDrawingBuffer: false, // 不保留绘图缓冲区
+            stencil: true,                // 启用模板缓冲
+            alpha: true                   // 启用透明背景
+        });
+        this.object.setSize(window.innerWidth, window.innerHeight);
+        this.object.setHardwareScalingLevel(1); // 1:1像素比例
+    }
+
+    /** 处理窗口大小变化 */
+    handleResize(): void {
+        if (this.object) {
+            this.object.setSize(window.innerWidth, window.innerHeight);
+            this.object.resize();
+        }
+    }
+}