优化可视范围内的板件获取

src/Add-on/DrawDrilling/DrillingReactor.ts

@@ -46,16 +46,10 @@ export class DrillingReactor
     private GetSurroundBoards(brList: Board[])
     {
         let brs: Board[] = [];
-        for (let obj of app.m_Viewer.Scene.children)
+        for (let ent of app.m_Viewer.VisibleEntitys)
         {
-            if (obj.userData)
-            {
-                let en = GetEntity(obj);
-                if (en && en.Id && !en.IsErase && en instanceof Board && !brList.includes(en))
-                {
-                    brs.push(en);
-                }
-            }
+            if (ent instanceof Board && !brList.includes(ent))
+                brs.push(ent);
         }
 
         let interBrs: Board[] = [];