Method _addActiveTween

Extensions/TweenBehavior/TweenManager.ts:398–402

(
          tween: TweenInstance<float> | TweenInstance<Array<float>>
        )

        }

        _addActiveTween(
          tween: TweenInstance<float> | TweenInstance<Array<float>>
        ): void {
          this._activeTweens.push(tween);
        }

        _removeActiveTween(
          tween: TweenInstance<float> | TweenInstance<Array<float>>