如何让 CSS 变换(旋转和倾斜原点)不向右移动几个像素?

How can I keep my CSS transform (rotate & skew origin) from moving a few pixels to the right?

在下面的示例中,当您单击 div 时,它会旋转和倾斜,但看起来位置在此转换过程中向右移动了几个像素。

有没有办法强制它在转换过程中保持在左侧?我玩过 origin,但没能把它弄得恰到好处:

$('div.book').click(function() {
  $(this).toggleClass('open');
});
div.bg {
  background-color: #00adef;
  display: inline-block
}

.book {
  transition: all 2s;
  width: 145px;
  height: 200px;
  background-color: #333;
  -webkit-origin: left;
}

.book.open {
  -webkit-transform: rotateY(-90deg) skewY(-45deg);
  -webkit-transform-origin: 0 0;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class='bg'>
  <div class='book'>
  </div>
</div>

您在 -webkit-transform-origin 中缺少 "transform"!

$('div.book').click(function() {
  $(this).toggleClass('open');
});
div.bg {
  background-color: #00adef;
  display: inline-block
}

.book {
  transition: all 2s;
  width: 145px;
  height: 200px;
  background-color: #333;
  -webkit-transform-origin: left;
}

.book.open {
  -webkit-transform: rotateY(-90deg) skewY(-45deg);
  -webkit-transform-origin: left;
  transform-origin: left;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class='bg'>
  <div class='book'>
  </div>
</div>

改变

transition: all 2s;

至:

transition: transform 2s;

因为 transition: all 还将您的原点从 (50%, 50%) 转换为 (0, 0)

$('div.book').click(function() {
  $(this).toggleClass('open');
});
div.bg {
  background-color: #00adef;
  display: inline-block
}

.book {
  /*transition: all 2s;*/
  transition: transform 2s;

  width: 145px;
  height: 200px;
  background-color: #333;
  -webkit-origin: left;
}

.book.open {
  -webkit-transform: rotateY(-90deg) skewY(-45deg);
  -webkit-transform-origin: 0 0;
}
<script src="https://ajax.googleapis.com/ajax/libs/jquery/2.1.1/jquery.min.js"></script>
<div class='bg'>
  <div class='book'>
  </div>
</div>