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rotate3d 180deg 的一些坑 #41

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weekeight opened this issue Dec 10, 2015 · 0 comments
Open

rotate3d 180deg 的一些坑 #41

weekeight opened this issue Dec 10, 2015 · 0 comments
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@weekeight
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问题描述

当将一个元素从 rotate3d(0,0,0,0) 变到 rotate3d(0,0,1,180deg) 的时候，理论上以及在chrome、安卓微信webview上都是顺时针旋转的，可是在safari及IOS的微信webview上就是逆时针的了。

有意思的是如果是变到 rotate3d(0,0,1,179.9deg) 所有浏览器都是顺时针的

还有如果使用 rotateZ(0) 变到 rotateZ(180deg) 的时候所有浏览器都是顺时针的了，符合预期。让我费解的时 IOS 的策略，如果180deg的时候非要逆时针那就让 rotate3d 和 rotateZ 统一嘛，可是事实上却不是，不是自相矛盾吗？（有知道原因的童鞋请告知我~）

解决方案

直接用 rotateZ 来做旋转动画，让所有浏览器都统一旋转方向

示例代码

示例地址

<!DOCTYPE html>
<html lang="en">
<head>
  <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width,initial-scale=1.0,maximum-scale=1.0,user-scalable=0" />
  <meta name="referrer" content="origin-when-cross-origin">
  <meta name="apple-mobile-web-app-capable" content="yes">
  <meta name="apple-mobile-web-app-status-bar-style" content="black">
  <meta name="format-detection" content="telephone=no">
<title>ios rotate180 bug</title>
<style>
.center{
  position: relative;
  margin: 0 auto;
  text-align: center;
}
.rect{
  position: absolute;
  box-sizing: border-box;
  display: inline-block;
  width: 100px;
  height: 200px;
  border-top:5px solid red;
  border-bottom: 5px solid blue;
  border-right: 5px solid green;
  border-left: 5px solid purple;

  transform: rotate3d(0,0,0,0deg);
  /*transform: rotateZ(0deg);*/
  transition: all 5s;
  will-change: transform;
}
</style>
</head>
<body>
  <p>click to show rotation animation</p>
  <div class="center">
    <div class="rect" id="J_Rect"></div>
  </div>
</body>
<script src="http://statics.mangguoyisheng.com/resource/demo/1.0.0/third-party/jquery/jquery-2.1.4.min.js"></script>
<script>
  $('#J_Rect').click(function(){
    $('#J_Rect').css({
      'transform': 'rotate3d(0,0,1,180deg)'
      // 'transform': 'rotateZ(180deg)'
    });
  });
</script>
</html>
@weekeight weekeight added the css label Dec 10, 2015
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@weekeight