为什么在2D变换期间文本会变得模糊和抖动

Question

我想让这张卡在悬停时缩放(包括其中的元素),但文本在转换过程中摇摆/抖动(当你悬停卡片时)并在缩放期间和之后变得模糊(有时,某些比率比其他比例更高) ,我认为是由于子像素值四舍五入).

如何在转型过程中消除这种摇晃和模糊？

• 我不关心IE浏览器,我只想让它在最新的Chrome中运行.

• 它似乎是由transition财产造成的.

Codepen#1: https ://codepen.io/x84733/pen/yEpYxX

.scalable {
  transition: 0.3s ease-in-out;
  box-shadow: 0 6px 10px rgba(0,0,0,0.14);
}
.scalable:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 40px rgba(0,0,0,0.25);  
}

.card {
  width: 100%;
  background: white;
  padding: 20px;
}

body {
  width: 50%; 
  height: 100%; 
  background: #999;
  padding: 20px;
}

<div class="card scalable">
  <div>here's some description</div>
</div>

更新:

我刚刚发现,当你以编程方式为它设置动画时,它不会抖动/抖动:

我能以某种方式使用JS吗？

Codepen: https ://codepen.io/anon/pen/LqXwOb ？editors = 1100

.anim {
  animation: scale 0.3s ease-in-out infinite alternate;
}

@keyframes scale {
  to { transform: scale(1.05) }
}

.scalable {
  transition: 0.3s ease-in-out;
  box-shadow: 0 6px 10px rgba(0,0,0,0.14);
}
.scalable:hover {
  transform: scale(1.05);
  box-shadow: 0 8px 40px rgba(0,0,0,0.25);  
}

.card {
  width: 100%;
  background: white;
  padding: 20px;
}

body {
  width: 50%; 
  height: 100%; 
  background: #999;
  padding: 20px;
}

<div class="el anim card scalable">
  <div>here's some description</div>
</div>

Answer 1

除了使用比例尺之外，您还可以考虑translateZ使用透视图。确保最初定义透视图，以避免在快速移动光标时产生不良影响：

.scalable{
  transition: 0.3s ease-in-out;
  box-shadow: 0 6px 10px rgba(0,0,0,0.14);
  transform:perspective(100px);
}

.scalable:hover {
  transform:perspective(100px) translateZ(5px);
  box-shadow: 0 8px 40px rgba(0,0,0,0.25);  
}

.card {
  width: 100%;
  background: white;
  padding: 20px;
}

body {
  width: 50%; 
  height: 100%; 
  background: #999;
  padding: 20px;
}

<div class="card scalable">
  <div>here's some description</div>
</div>

减少模糊效果的一种方法是从负平移开始，然后回到0：

.scalable{
  transition: 0.3s ease-in-out;
  box-shadow: 0 6px 10px rgba(0,0,0,0.14);
  transform:perspective(100px) translateZ(-5px);
}

.scalable:hover {
  transform:perspective(100px) translateZ(0px);
  box-shadow: 0 8px 40px rgba(0,0,0,0.25);  
}

.card {
  width: 100%;
  background: white;
  padding: 25px;
}

body {
  width: 50%; 
  height: 100%; 
  background: #999;
  padding: 20px;
}

<div class="card scalable">
  <div>here's some description</div>
</div>