清理代码

src/DatabaseServices/EntityData.ts

@@ -59,16 +59,14 @@ export const LineData = mst.types.compose(
         })
         .views(self =>
         {
-            let start = self.startPoint;
-            let end = self.entPoint;
             return {
                 get StartPoint(): THREE.Vector3
                 {
-                    return toVec3(start);
+                    return toVec3(self.startPoint);
                 },
                 get EndPoint(): THREE.Vector3
                 {
-                    return toVec3(end)
+                    return toVec3(self.entPoint)
                 }
             }
         })