修复:ZoomObject对复合实体(扫略实体)时错误

src/DatabaseServices/Entity/CompositeEntity.ts

@@ -4,7 +4,6 @@ import { arraySortByNumber, arraySum } from "../../Common/ArrayExt";
 import { Object3DRemoveAll } from "../../Common/Dispose";
 import { UpdateDraw } from "../../Common/Status";
 import { ObjectSnapMode } from "../../Editor/ObjectSnapMode";
-import { Box3Ext } from "../../Geometry/Box";
 import { RenderType } from "../../GraphicsSystem/RenderType";
 import { AutoRecord } from "../AutoRecord";
 import { Factory } from "../CADFactory";
@@ -49,13 +48,17 @@ export class CompositeEntity extends Entity
                 callback(en);
         }
     }
-    get BoundingBox()
-    {
-        let box = new Box3Ext();
-        for (let e of this.Entitys)
-            box.union(e.BoundingBox);
-        return box.applyMatrix4(this.OCS);
-    }
+
+    //实体在被内嵌时,它绘制对象的世界矩阵会被影响,所以这里我们不直接计算它的盒子,而是用绘制对象的盒子来计算包围盒,避免错误
+    //例如 复合扫略实体 的ZoomObject在这个实现下是错误的(因为扫略实体也是直接取绘制对象的包围盒)
+    // get BoundingBox()
+    // {
+    //     let box = new Box3Ext();
+    //     for (let e of this.Entitys)
+    //         box.union(e.BoundingBox);
+    //     return box.applyMatrix4(this.OCSNoClone);
+    // }
+
     protected InitDrawObject(renderType: RenderType = RenderType.Wireframe): Object3D
     {
         /**