新增相机限制

src/babylonjs/AppCamera.ts

@@ -29,8 +29,7 @@ export class AppCamera extends Monobehiver {
         this.object.panningSensibility = 0;
         
         // 限制垂直角范围，实现上帝视角
-        // this.object.upperBetaLimit = Tools.ToRadians(60);  // 最大垂直角（接近90度，避免万向锁）
-        // this.object.lowerBetaLimit = Tools.ToRadians(60);    // 最小垂直角
+        this.object.upperBetaLimit = Tools.ToRadians(90);  // 最大垂直角（接近90度，避免万向锁）
         
         this.object.position = new Vector3(-0, 10, 0);
         this.setTarget(0, 2, 0);

src/babylonjs/AppConfig.ts

@@ -12,7 +12,7 @@ export const AppConfig = {
         envPath: '/hdr/sanGiuseppeBridge.env',
         intensity: 1.5,
         rotationY: 0,
-        background: true,
+        background: false,
     },
     gizmo: {
         position: true,

src/babylonjs/AppModel.ts

@@ -554,6 +554,24 @@ export class AppModel extends Monobehiver {
         return undefined;
     }
 
+    /**
+     * 获取所有模型的元数据
+     * @returns 所有模型的元数据数组
+     */
+    getAllModelMetadata(): ModelMetadata[] {
+        const keys = this.modelDic.Keys();
+        const metadataList: ModelMetadata[] = [];
+
+        for (const key of keys) {
+            const metadata = this.modelMetadataDic.Get(key);
+            if (metadata) {
+                metadataList.push(metadata);
+            }
+        }
+
+        return metadataList;
+    }
+
     private getModelTransformTargets(meshes: AbstractMesh[]): AbstractMesh[] {
         const meshSet = new Set<AbstractMesh>(meshes);
         const rootMeshes = meshes.filter(mesh => !mesh.parent || !meshSet.has(mesh.parent as AbstractMesh));