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Accepted
Shade
Asked: 2024-09-23 17:26:37 +0800 CST

如何防止孩子在过渡期间随父母一起旋转？

  • 772

我正在尝试旋转父圆并消除对其子圆的影响。我尝试使用以下方法消除影响

transform: translate(-50%, -50%)
           rotate(calc(var(--i) * -60deg))
           translateY(150px)
           rotate(calc(var(--i) * 60deg - var(--rotation)))

但是子元素在过渡开始时会旋转 60 度。如何防止它们在过渡期间完全旋转？

const circle = document.getElementById('circle');
let deg = 0;

function rotate() {
  deg += 60;
  circle.style.cssText = `--rotation: ${deg}deg`;
}
.circle {
  border: 2px solid #ccc;
  border-radius: 50%;
  height: 300px;
  margin: 40px auto 0;
  transform: rotate(var(--rotation));
  transition: transform 1000ms ease;
  position: relative;
  width: 300px;
}

.item {
  align-items: center;
  background: red;
  border: 2px solid #fff;
  border-radius: 50%;
  display: flex;
  height: 30px;
  justify-content: center;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%) rotate(calc(var(--i) * -60deg)) translateY(150px) rotate(calc(var(--i) * 60deg - var(--rotation)));
  width: 30px;
}

.btn {
  align-items: center;
  background: lawngreen;
  display: flex;
  height: 30px;
  justify-content: center;
  width: 100px;
}
<meta name="viewport" content="width=device-width, initial-scale=1.0">

<div class="circle" id="circle" style="--rotation: 0deg">
  <div class="item" style="--i: 0">1</div>
  <div class="item" style="--i: 1">2</div>
  <div class="item" style="--i: 2">3</div>
  <div class="item" style="--i: 3">4</div>
  <div class="item" style="--i: 4">5</div>
  <div class="item" style="--i: 5">6</div>
</div>

<div class='btn' onclick="rotate()">rotate</div>

javascript

2 个回答

  1. Best Answer

    你已经快完成了，只需向子元素添加相同的过渡即可

    const circle = document.getElementById('circle');
let deg = 0;

function rotate() {
  deg += 60;
  circle.style.cssText = `--rotation: ${deg}deg`;
}
    .circle {
  border: 2px solid #ccc;
  border-radius: 50%;
  height: 300px;
  margin: 40px auto 0;
  transform: rotate(var(--rotation));
  transition: transform 1000ms ease;
  position: relative;
  width: 300px;
}

.item {
  align-items: center;
  background: red;
  border: 2px solid #fff;
  border-radius: 50%;
  display: flex;
  height: 30px;
  justify-content: center;
  left: 50%;
  position: absolute;
  top: 50%;
  transform: translate(-50%, -50%) rotate(calc(var(--i) * -60deg)) translateY(150px) rotate(calc(var(--i) * 60deg - var(--rotation)));
  transition: transform 1000ms ease;
  width: 30px;
}

.btn {
  align-items: center;
  background: lawngreen;
  display: flex;
  height: 30px;
  justify-content: center;
  width: 100px;
}
    <div class="circle" id="circle" style="--rotation: 0deg">
  <div class="item" style="--i: 0">1</div>
  <div class="item" style="--i: 1">2</div>
  <div class="item" style="--i: 2">3</div>
  <div class="item" style="--i: 3">4</div>
  <div class="item" style="--i: 4">5</div>
  <div class="item" style="--i: 5">6</div>
</div>

<div class='btn' onclick="rotate()">rotate</div>

    • 3 

  2. const circle = document.getElementById('circle');
let deg = 0;

function rotate() {
  deg += 60;
  circle.style.setProperty('--rotation', `${deg}deg`);
}
    .circle {
  border: 2px solid #ccc;
  border-radius: 50%;
  height: 300px;
  margin: 40px auto 0;
  transform: rotate(var(--rotation));
  transition: transform 1000ms ease;
  position: relative;
  width: 300px;
}

.item {
  align-items: center;
  background: red;
  border: 2px solid #fff;
  border-radius: 50%;
  display: flex;
  height: 30px;
  justify-content: center;
  position: absolute;
  left: 50%;
  top: 50%;
  transform: translate(-50%, -50%) rotate(calc(var(--i) * 60deg)) translateY(150px);
  /* Position around circle */
  width: 30px;
}

.btn {
  align-items: center;
  background: lawngreen;
  display: flex;
  height: 30px;
  justify-content: center;
  width: 100px;
  cursor: pointer;
  margin: 20px auto;
}
    <div class="circle" id="circle" style="--rotation: 0deg">
  <div class="item" style="--i: 0">1</div>
  <div class="item" style="--i: 1">2</div>
  <div class="item" style="--i: 2">3</div>
  <div class="item" style="--i: 3">4</div>
  <div class="item" style="--i: 4">5</div>
  <div class="item" style="--i: 5">6</div>
</div>
<div class="btn" onclick="rotate()">Rotate</div>

    • -2

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