加大相机裁剪平面大小

src/GraphicsSystem/CameraUpdate.ts

@@ -2,7 +2,7 @@ import { Box3, Camera, Math as TMath, OrthographicCamera, PerspectiveCamera, Vec
 import { CADFiler } from '../DatabaseServices/CADFiler';
 import { Orbit } from '../Geometry/Orbit';
 
-const ViewScopeSize = 4e4;
+const ViewScopeSize = 4e6;
 //相机活动范围
 const ViewScopeMin = new Vector3(-ViewScopeSize, -ViewScopeSize * 0.7, -ViewScopeSize);
 const ViewScopeMax = ViewScopeMin.clone().negate();