matterjs模拟挂满文字卡片的绳子重力感应动画效果代码-html代码-BFW代码库

matterjs模拟挂满文字卡片的绳子重力感应动画效果代码

代码语言：html

所属分类：动画

代码描述：matterjs模拟挂满文字卡片的绳子重力感应动画效果代码

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>
@import url("https://fonts.googleapis.com/css2?family=Inter:wght@900&display=swap");
body {
  height: 100vh;
  margin: 0;
  padding: 0;
  overflow-x: hidden;
  width: 100vw;
}

.link {
  position: absolute;
  top: 0;
  left: 0;
  width: 80px;
  height: 10px;
  background-color: black;
  z-index: 1;
}

.flag {
  display: grid;
  place-items: center;
  position: absolute;
  top: 0;
  left: 0;
  width: 60px;
  height: 60px;
  background-color: red;
  background-size: cover;
  background-position: center;
  z-index: 2;
  color: white;
  font-size: 3rem;
  font-family: "Inter", sans-serif;
  border-radius: 0 0 10px 10px;
}

.flag:nth-child(4n) {
  background-color: coral;
}

.flag:nth-child(4n+1) {
  background-color: lime;
}
</style>



</head>

<body>
  
<script type="text/javascript" src="//repo.bfw.wiki/bfwrepo/js/matter.0.17.1.js"></script>
      <script>
const {
  Engine,
  Render,
  Runner,
  World,
  Bodies,
  Events,
  Composites,
  Composite,
  Constraint,
  Body
} = Matter;

function createRope(line, pos, world, group, linkWidth, flagWidth) {
  let links = 0;
  const drop = 150;

  line.split("").forEach((letter) => {
    const d = document.createElement("div");
    d.classList.add("link");
    document.body.appendChild(d);

    const l = document.createElement("div");
    l.classList.add("flag");
    l.innerText = letter;
    document.body.appendChild(l);
    links += 2;
  });

  const d = document.createElement("div");
  d.classList.add("link");
  document.body.appendChild(d);
  links++;

  const ropeA = Composites.stack(
    100,
    100 + pos * drop,
    links,
    1,
    0,
    0,
    function (x, y, index) {
      return index % 2 === 0
        ? Bodies.rectangle(
            100 + index * ((linkWidth + flagWidth) * 0.5),
            y,
            linkWidth,
            linkWidth * 0.2,
            {
              collisionFilter: { group: group }
            }
          )
        : Bodies.rectangle(
            100 + index * ((linkWidth + flagWidth) * 0.5),
            y,
            flagWidth,
            60,
            {
              collisionFilter: { group: group }
            }
          );
    }
  );

  Composites.chain(ropeA, 0.5, -0.25, -0.5, -0.25, {
    length: 5,
    render: { type: "line" }
  });

  Composite.add(
    rope.........完整代码请登录后点击上方下载按钮下载查看