Animation libraries that can be played back

1. Now there are a lot of scroll bars, scroll down, and the page follows the animation rolling animation. If you want to scroll the animation on the scroll bar, you can play it backwards.

2. This is an animation library. You only need to define the moving object and the animation type and add it as a node to automatically play the playback.

3. Implementation principle: There is a virtual axis similar to the Flash type. This axis is increased or decreased in the form of a unit, and the actual physical location is mapped to this axis. To find the objects of each object.

4. You can also set automatic run. If Automatic run is set, if it is rolled to the Change Point. It will be automatically executed without control until the end. If it runs from the end to the end of the Virtual Axis, it will play it backwards and it will not be controlled.

The following is an example: