如何让旋转的形状看起来厚重？

Question

如何让旋转的形状看起来厚重？

我创建了这种储物柜打开类型的效果，但是没有厚门，看起来不太好。如何增加门的厚度，使其看起来像储物柜门？我还能做些什么来让它看起来更真实吗？

请仅使用 CSS 解决方案，不要使用 JavaScript。

#container {
    width: 100%;
	height: 600px;
	position: relative;
}
#maincircle {
	width: 200px;
	height: 200px;
	position: absolute;
	top: 200px;
	left: 50%;
	transform: translateX(-50%);
	border-radius: 50%;
	border: 1px solid black;
	perspective: 600px;
	transform-style: preserve-3d;
}
#door, #back {
	border-radius: 50%;
	background-color: grey;
	top: 1px;
	left: 1px;
	position: absolute;
	width: 99%;
	height: 99%;
	transition: transform 2s 0.5s;
	transform-origin: 0 50%;
}
#door {
	backface-visibility: hidden;
}
#locker {
	position: absolute;
	top: 25px;
	left: 25px;
	border-radius: 50%;
	width: 150px;
	height: 150px;
	background-image: url(https://irp-cdn.multiscreensite.com/806e9122/dms3rep/multi/tablet/CombinationLock-1000x1000.png);
	background-size: 150px 150px;
	transition: transform 0.5s;
}
#maincircle:hover #door #locker {
    transform: rotate(90deg);	
}
#maincircle:hover #door, #maincircle:hover #back {
	transform: rotateY(-110deg);
}

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<html>
    <head>
	    <link rel="stylesheet" href="style.css">
	</head>
	<body>
	    <div id="container">
		    <div id="maincircle">
			    <div id="back"></div>
			    <div id="door"><div id="locker"></div></div>
			</div>
		</div>
	</body>

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Answer 1

the*_*pio 6

您可以使用伪元素:before并:after给门一些厚度。我为您做了一个粗略的示例，但请根据您的需要进行修改（更改颜色、向 css 添加前缀等）。

body {
  margin:0;
  width: 100%;
  height: 100%;
}

.maincircle {
  width: 200px;
  height: 200px;
  position: relative;
  margin-left: 200px;
  margin-top: 10px;
  border-radius: 50%;
  border: 1px solid black;
  perspective: 600px;
  transform-style: preserve-3d; 
}
.door {
  background-color: gray;
  border-radius: 100%;
  height: 200px;
  margin: 0;
  position: relative;
  width: 200px;
  transition: .5s linear;
  transform-style: preserve-3d;
  transform-origin: 0 50%;
}

.door:before {
  background-color: gray;
  background-image: linear-gradient(hsla(0,0%,100%,.25), hsla(0,0%,0%,.25));
  border-radius: 100%;
  content: '';
  height: 200px;
  left: 0;
  position: absolute;
  top: 0;
  width: 200px;
  transform: translateZ(-5px);
}

.door:after {
  background-color: gray;
  background-image: linear-gradient(hsla(0,0%,100%,.25), hsla(0,0%,0%,.25));
  bottom: 0;
  content: '';
  left: 100px;
  position: absolute;
  top: 0;
  width: 5px;
  z-index: -10;
  transform: rotateY(-90deg);
  transform-origin: 100% 50%;
}

.maincircle:hover .door {
  transition: transform 2s 0.5s;
  transform: rotateY(-110deg);
}

.maincircle:hover .locker {
  transition: transform 0.5s;
  transform: rotate(90deg);
}

.locker {
   background-image: url("https://irp-cdn.multiscreensite.com/806e9122/dms3rep/multi/tablet/CombinationLock-1000x1000.png"); 
  position: absolute;
  top: 25px;
  left: 25px;
  background-size: 100% 100%;
  border-radius: 100%;
  width: 150px;
  height: 150px;
}

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<html>
  <head>
    <link rel="stylesheet" href="style.css">
  </head>
  <body>
    <div class="maincircle">
      <div class="door">
        <div class="locker"></div>
      </div>
    </div>
  </body>
</html>

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