开发:优化代码

src/Geometry/GeUtils.ts

@@ -215,6 +215,7 @@ export function midPoint2(v1: Vector2, v2: Vector2): Vector2
     return v1.clone().add(v2).multiplyScalar(0.5);
 }
 
+let tempBox = new Box3();
 /**
  * 获得Three对象的包围盒.
  * @param obj
@@ -236,10 +237,8 @@ export function GetBox(obj: Object3D, updateMatrix?: boolean): Box3
         {
             if (!geo.boundingBox)
                 geo.computeBoundingBox();
-            let geoBox = geo.boundingBox.clone().applyMatrix4(o.matrixWorld);
-            if (geoBox.max.z > 1e5)
-                console.log();
-            box.union(geoBox);
+            tempBox.copy(geo.boundingBox).applyMatrix4(o.matrixWorld);
+            box.union(tempBox);
         }
     });
     return box;