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layer-anim's Introduction

分层动画组件(LayerAnim)

作者:阿古

所谓“分层动画”,是指由多个动画组成,相互间有一定播放次序的动画。这些动画可以以顺序或逆序,或延迟播放,形成一个动画序列。

虽然CSS 3也支持动画,但其天生就存在许多缺陷:

  • 不支持配置多个动画的播放次序、延迟时间等
  • 无回放控制
  • 语法较复杂,难以使用
  • 各浏览器的支持不同,兼容性不佳,还需要加很多CSS前缀

分层动画组件(LayerAnim)是基于JS实现的动画组件,完美解决了上述问题。除具有KISSY内置Anim的全部功能外,还支持:

  • 播放一组或多组动画,可配置动画之间的播放次序
  • 延迟播放动画
  • 精确的回放控制(如:重新播放、跳转到指定时间点等)
  • CSS 3属性支持(如:rotation)
  • 动态添加/删除子动画
  • 可配置的平滑过渡效果(easing)
  • 定义各浏览器的优雅降级
  • 良好的兼容性(如:支持IE 6)

LayerAnim基于GreenSock JS动画库开发。GreenSock是一个功能强大、体积小巧、性能极高的动画平台,其使用时间线(Timeline)来精确控制动画的播放、跳转、停止等,它同时提供Flash和JS两个版本的动画库。

感兴趣的同学可以查看:性能测试,其中包含了当前流行的动画库性能比较。

使用手册及开发接口

查看使用手册

Demo

查看Demo

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