将Node的动画添加到VBox

问题描述

我正在寻找一个解决方案，通过淡入或翻转或任何动画添加节点。
感谢您的帮助。

I am looking for a solution to add node's with fade-in or flipping or any animation.Thanks for any help.

我发现了同样的问题，但没有任何进一步的帮助：

I found the same question but without any further help here: Animated component adding-delete in a VBox

推荐答案

正如珠宝已经提到过的，你会使用Transitions。
以下是如何为您的用例执行此操作的示例：

As jewelsea already mentioned, you would use Transitions.Here is an example of how to do it for your use case :

public static void addFadingIn(final Node node, final Group parent) {
    final FadeTransition transition = new FadeTransition(Duration.millis(250), node);
    transition.setFromValue(0);
    transition.setToValue(1);
    transition.setInterpolator(Interpolator.EASE_IN);
    parent.getChildren().add(node);
    transition.play();
  }

  public static void removeFadingOut(final Node node, final Group parent) {
    if (parent.getChildren().contains(node)) {
      final FadeTransition transition = new FadeTransition(Duration.millis(250), node);
      transition.setFromValue(node.getOpacity());
      transition.setToValue(0);
      transition.setInterpolator(Interpolator.EASE_BOTH);
      transition.setOnFinished(finishHim -> {
        parent.getChildren().remove(node);
      });
      transition.play();
    }
  }

或者使用Java8的更实际的实现：

Or a more gerneral implementation using Java8 :

 public static void addAnimating(final Node node, final Group parent,
      final Supplier<Animation> animationCreator) {
    parent.getChildren().add(node);
    animationCreator.get().play();
  }

  public static void removeAnimating(final Node node, final Group parent,
      final Supplier<Animation> animationCreator) {
    if (parent.getChildren().contains(node)) {
      final Animation animation = animationCreator.get();
      animation.setOnFinished(finishHim -> {
        parent.getChildren().remove(node);
      });
      animation.play();

    }
  }

您可以在上面找到完整的示例

You can find a full example on https://gist.github.com/bugabinga/9576634

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