gsap模仿iOS闹钟桶时间输入风格代码-html代码-BFW代码库

代码语言：html

代码描述：gsap模仿iOS闹钟桶时间输入风格代码，可拖拽选择、可设置值动画滚动。

下面为部分代码预览，完整代码请点击下载或在bfwstudio webide中打开

<!DOCTYPE html>
<html lang="en" >

<head>
  <meta charset="UTF-8">
  

  
<style>


@layer normalize, base, demo;

@layer demo {
  .controls {
    --line-height: 34px;
    --item-size: 56px;
    --visor: hsl(240deg 3.3% 17.84%);
    color: hsl(240deg 3.3% 87.84%);
  }
  .control {
    --scroll-padding: 0px;
    --inner-angle: calc((360 / var(--total)) * 1deg);
    --scroll-buff: calc(var(--item-size) * var(--scroll-ratio));
    --gap: calc(var(--item-size) * var(--gap-efficient, 0.1));
    --gap: 0px;
    --radius: calc(
      ((var(--line-height) + var(--gap)) / sin(var(--inner-angle))) * -1
    );
  }

  img {
    position: fixed;
    z-index: 3;
    pointer-events: none;
    width: 375px;
    translate: 0 110%;
    opacity: 1;
  }

  body {
    overflow: hidden;
  }

  .meridien-form {
    position: fixed;
    top: 50%;
    left: 1rem;
  }

  .control {
    width: var(--item-size);
    aspect-ratio: 1 / 2;
    /*height: var(--item-size);*/
    /*outline: 2px dashed red;*/
    position: relative;
    perspective: 60px;
    timeline-scope: --controller;
    display: grid;
    place-items: center;
    transform-style: preserve-3d;
    /*perspective: 200px;*/
    transform: translateX(-0.5rem) translateZ(0);
    -webkit-mask: linear-gradient(#0000, #fff, #0000);
            mask: linear-gradient(#0000, #fff, #0000);
  }

  .meridiem .controller {
    padding-block: 0;
  }
  .meridiem {
    --rotation: calc(360deg / var(--total));
  }

  .track {
    width: 100%;
    word-break: break-all;
    color: white;
    pointer-events: none;

    font-weight: 400;
    word-spacing: 200px;
    text-align: center;
    position: absolute;

    line-height: var(--line-height);

    top: 0;
    /*outline: 2px green dashed;
    outline-offset: 2px;*/
    font-size: 1.45rem;
  }

  .track-holder {
    width: 100%;
    height: var(--line-height);
    /*outline: 2px dashed white;*/
    /*outline-offset: 4px;*/
    position: absolute;
    top: 50%;
    left: 0;
    overflow: hidden;
    /*background: grey;*/
    color: white;
    translate: 0 -50%;
    pointer-events: none;
    background: var(--visor);
    /*transform: translate3d(0, 0, 1px);*/
  }
  
  .controller::-webkit-scrollbar {
    display: none;
  }

  .controller {
    scrollbar-width: 0;
    width: 100%;
    aspect-ratio: 1;
    height: 220px;
    /*height: 100%;*/
    color: #0000;
    overflow: auto;
    /*outline: 2px dashed hotpink;*/
    margin: 0;
    padding: 0;
    -ms-scroll-snap-type: y mandatory;
        scroll-snap-type: y mandatory;
    scroll-timeline: --controller;
    padding-block: 2px;
    scrollbar-color: #0000 #0000;

    li {
      width: 100%;
      /*height: 100%;*/
      aspect-ratio: 1;
      height: 220px;
      scroll-snap-align: center;
      /*outline: 2px dashed green;*/
      display: grid;
      place-items: center;
    }
  }

  .controls {
    transform-style: preserve-3d;
    /*perspective: 20vmin;*/
    display: flex;
    position: fixed;
    gap: 0;
    top: 50%;
    left: 50%;
    font-weight: 300;
    translate: -50% -50%;

    &::after {
      content: '';
      position: absolute;
      top: 50%;
      height: var(--line-height);
      width: 346px;
      border-radius: 6px;
      background: var(--visor);
      left: 50%;
      transform-style: preserve-3d;
      transform: translate3d(-50%, -50%, -1px);
      pointer-events: none;
    }
  }

  .wheel {
    position: absolute;
    width: 100%;
    height: var(--line-height);
    /*aspect-ratio: 1;*/
    outline: 2px dashed blue;
    outline-offset: 2px;
    font-size: 1.4rem;
    pointer-events: none;
    transform: translate3d(0, 0, calc((var(--radius) * 1) - 4px));
    transform-style: preserve-3d;

    div {
      -webkit-backface-visibility: hidden;
              backface-visibility: hidden;
      position: absolute;
      inset: 0;
      /*outline: 2px dashed yellow;*/
      /*background: blue;*/
      outline-offset: 4px;
      transform-style: preserve-3d;
      text-align: center;
      display: grid;
      place-items: center;
      transform: rotateX(
          calc((var(--total) - var(--index)) * var(--inner-angle))
        )
        translate3d(0, 0, calc(var(--radius) * -1));
    }
  }
  @supports (animation-timeline: scroll()) {
    .wheel {
      -webkit-animation: rotate both linear;
              animation: rotate both linear;
      animation-timeline: --controller;
    }
    .track {
      -webkit-animation: translate both linear;
              animation: translate both linear;
      animation-timeline: --controller;
    }
  }
  .controller[data-no-snap] {
    -ms-scroll-snap-type: unset;
        scroll-snap-type: unset;
  }
  .controller[data-no-snap] + .wheel {
    -webkit-animation-name: none;
            animation-name: none;
  }
  .controller[data-no-snap] ~ .track-holder .track {
    -webkit-animation.........完整代码请登录后点击上方下载按钮下载查看