!2724 优化:触发排钻反应器后,卡顿严重

src/GraphicsSystem/Viewer.ts

@@ -807,13 +807,29 @@ export class Viewer
         for (let l of db.Lights.Entitys)
             this._Scene.add(l.DrawObject);
 
+        let addSceneEntitys: Entity[] = [];
+        let addSceneTime;
+
         begin(db.ModelSpace, db.ModelSpace.AppendEvent, (e: Entity) =>
         {
-            setTimeout(() =>
+            if (!addSceneTime)
+                addSceneTime = setTimeout(async () =>
+                {
+                    let ents = addSceneEntitys;
+                    addSceneEntitys = [];
+                    addSceneTime = null;
+
+                    for (let i = 0; i < ents.length; i++)
                     {
+                        let e = ents[i];
+                        if (i % 50 === 0) await Sleep(1);
                         this._Scene.add(e.DrawObject);
+                    }
+
                     this.NeedUpdate = true;
-            }, 0);
+                }, 16);
+
+            addSceneEntitys.push(e);
         });
         begin(db.ModelSpace, db.ModelSpace.Destroy, () =>
         {