timingFunction

  1.  *  动画的开始与结束的快慢,有五个预置分别为(下同): 
  2.      *  kCAMediaTimingFunctionLinear            线性,即匀速 
  3.      *  kCAMediaTimingFunctionEaseIn            先慢后快 
  4.      *  kCAMediaTimingFunctionEaseOut           先快后慢 
  5.      *  kCAMediaTimingFunctionEaseInEaseOut     先慢后快再慢 
  6.      *  kCAMediaTimingFunctionDefault           实际效果是动画中间比较快.

posted on 2016-12-09 17:21  举个例子yi聪聪  阅读(185)  评论(0)  编辑  收藏  举报

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