仅CSS 3D旋转文本 [英] CSS only 3D spinning text

问题描述

我有一个包含一些文本旋转的div。如何获得更好的3D效果的文本深度？为了澄清，在90deg处文本变粗，因为我们只能从侧面看到它-我如何使其变粗，例如，10px厚？此外，还应显示适当的深度-即在0deg处我们看不到深度；在45deg处我们看到5px深度；在90deg处我们看到完整的10px深度；依此类推。

我正在寻找纯CSS解决方案。

#spinner {
  animation-name: spinner;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  animation-duration: 3s;
  transform-style: preserve-3d;
  text-align:center;
}
@keyframes spinner {
  from {
    transform: rotateY(0deg);
  }
  to {
    transform: rotateY(-360deg);
  }
}

<p id="spinner">Stop, I'm getting dizzy!</p>

推荐答案

简单的text-shadow可以做到这一点：

body {
  perspective: 500px;
}
#spinner {
  text-align: center;
  animation-name: spin, depth;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  animation-duration: 3s;
}
@keyframes spin {
  from { transform: rotateY(0deg); }
  to { transform: rotateY(-360deg); }
}
@keyframes depth {
  0% { text-shadow: 0 0 black; }
  25% { text-shadow: 1px 0 black, 2px 0 black, 3px 0 black, 4px 0 black, 5px 0 black; }
  50% { text-shadow: 0 0 black; }
  75% { text-shadow: -1px 0 black, -2px 0 black, -3px 0 black, -4px 0 black, -5px 0 black; }
  100% { text-shadow: 0 0 black; }
}

<p id="spinner">Stop, I'm getting dizzy!</p>

另一个改进可能是使用::before和::after伪类克隆文本：

body {
  perspective: 1000px;
}
#spinner {
  font-size: 50px;
  text-align: center;
  animation-name: spin, depth;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
  animation-duration: 3s;
  transform-style: preserve-3d;
  position: relative;
}
#spinner::before,
#spinner::after {
  content: "Stop, I'm getting dizzy!";
  display: block;
  position: absolute;
  width: 100%;
  height: 100%;
  top: 0;
  transform: rotateY(0.5deg);
  transform-origin: 0 50%;
}
#spinner::after {
  transform: rotateY(-0.5deg);
  transform-origin: 100% 50%;
}
@keyframes spin {
  from { transform: rotateY(0deg); }
  to { transform: rotateY(-360deg); }
}
@keyframes depth {
  0% { text-shadow: 0 0 black; }
  25% { text-shadow: 1px 0 black, 2px 0 black, 3px 0 black, 4px 0 black, 5px 0 black, 6px 0 black; }
  50% { text-shadow: 0 0 black; }
  75% { text-shadow: -1px 0 black, -2px 0 black, -3px 0 black, -4px 0 black, -5px 0 black, -6px 0 black; }
  100% { text-shadow: 0 0 black; }
}

<p id="spinner">Stop, I'm getting dizzy!</p>

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