stopAnimations() {
    if (this._animationActions != null && this._animationActions.length > 0) {
      for (let i = 0, il = this._animationActions.length; i < il; i++) {
        const action = this._animationActions[i];
        const target = action.getTarget();
        if (target != null) {
          target.stopAction(action);
        }
      }
      this._animationActions = [];
    }
  }
Stops all currently running actions that have been recorded as animation actions.
@see SdkNode.addAnimationAction