改回-1

src/scene/scene.service.ts

@@ -35,7 +35,7 @@ export class SceneService implements OnModuleInit, OnModuleDestroy {
   public startSteaming = new BehaviorSubject<boolean>(false);
   public onRotating = new BehaviorSubject<boolean>(false);
   public onMoving = new BehaviorSubject<boolean>(false);
-  public frameCnt = new BehaviorSubject<number>(0);
+  public frameCnt = new BehaviorSubject<number>(-1);
   private rotateframeCnt = -1;
   private moveframeCnt = -1;