JSFiddle - React, Tailwind, and code Playground

by soulwire

HTML

<!DOCTYPE html>
<html lang="en">
<head>
  <meta charset="UTF-8">
  <meta name="viewport" content="width=device-width, initial-scale=1.0">
  <title>Transform3d</title>
  <style>
    html,body{margin: 0; padding: 0; user-select: none;}
    .page{
      display: flex;
      align-items: center;
      justify-content: center;
      width: 100vw;
      height: 100vh;
    }

    .box{
      padding: 16px;
      width: 302px;
      height: 400px;
      overflow: hidden;
      background-color: white;
      border: 1px solid #ccc;
    }

    img{
      width: 100%;
    }
    .form-item{
      margin-bottom: 10px;
    }
    .submit{
      text-align: right;
    }

    .handle{
      position: absolute;
      left: 0;
      top: 0;
      z-index: 1;
      width: 20px;
      height: 20px;
      border-radius: 100%;
      background-color: rgba(255, 0, 0, .5);
    }

  </style>
  <script src="./numeric.min.js"></script>
</head>
<body>
  <div class="page">
    <div class="box" id="box">
      <form action="#">
        <div class="form-item">
          <label for="name">
            姓名
            <input type="text" id="name">
          </label>
        </div>
        <div class="form-item">
          <label for="address">
            地址
            <textarea id="address" cols="30" rows="10"></textarea>
          </label>
        </div>
        <div class="form-item">
          <label for="range">
            年龄
            <input type="range" min="10" max="100" step="1" value="18" id="range">
          </label>
        </div>
        <div class="submit">
          <button>submit</button>
        </div>
      </form>
    </div>
    <div class="handle"></div>
    <div class="handle"></div>
    <div class="handle"></div>
    <div class="handle"></div>
  </div>
  <script>
    function init(){
      const box = document.querySelector('#box');
      const handles = document.querySelectorAll('.handle')

      function getFromPoints(points){
        // 映射前四个点坐标 
        const result...