Question

startAt: Object
设置动画属性开始时的值

TweenMax.to(mc, 2, {x:500, startAt:{x:200}});

startAt适用于TweenMax

startAt的参数

startAt 示例

body {
    background: #f8f8f8;
    font-family: Helvetica Neue, Helvetica, Arial, sans-serif;
    font-size: 14px;
    color: #000;
    margin: 0 10px;
    padding: 0;
}
.box {
    width:50px;
    height:50px;
    border-radius:6px;
    margin-top:4px;
    display:inline-block
  }
.green{
    background-color:#6fb936;
  }

new TweenMax('.box', 3, {
    x: 500,
    startAt: {x:200},//从200开始
});

startAt返回值

startAt的补充说明