init

src/babylonjs/AppCamera.ts

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+import { ArcRotateCamera } from '@babylonjs/core/Cameras/arcRotateCamera';
+import { Vector3 } from '@babylonjs/core/Maths/math.vector';
+import { Tools } from '@babylonjs/core/Misc/tools';
+import { Monobehiver } from '../base/Monobehiver';
+
+/**
+ * 相机控制类- 负责创建和控制弧形旋转相机
+ */
+export class AppCamera extends Monobehiver {
+    object: ArcRotateCamera | null;
+
+    constructor(mainApp: any) {
+        super(mainApp);
+        this.object = null;
+    }
+
+    /** 初始化相机 */
+    Awake(): void {
+        const scene = this.mainApp.appScene.object;
+        const canvas = this.mainApp.appDom.renderDom;
+        if (!scene || !canvas) return;
+
+        // 创建弧形旋转相机：水平角70度，垂直角80度，距离5，目标点(0,1,0)
+        this.object = new ArcRotateCamera('Camera', Tools.ToRadians(70), Tools.ToRadians(80), 5, new Vector3(0, 0, 0), scene);
+        this.object.attachControl(canvas, true);
+        this.object.minZ = 0.01;           // 近裁剪面
+        this.object.wheelPrecision =999999;    // 滚轮缩放精度
+        this.object.panningSensibility = 0;
+        this.object.position = new Vector3(-0, 0, 100);
+        this.setTarget(0, 2, 0);
+    }
+
+    /** 设置相机目标点 */
+    setTarget(x: number, y: number, z: number): void {
+        if (this.object) {
+            this.object.target = new Vector3(x, y, z);
+        }
+    }
+
+
+
+    /** 重置相机到默认位置 */
+    reset(): void {
+        if (!this.object) return;
+        this.object.radius = 2; this.setTarget(0, 0, 0);
+        this.object.position = new Vector3(0, 1.5, 2);
+    }
+
+    update(): void { 
+        
+    }
+}