js+css实现文字字母重力落下弹奏曲子代码-html代码-BFW代码库

js+css实现文字字母重力落下弹奏曲子代码

代码语言：html

所属分类：其他

代码描述：js+css实现文字字母重力落下弹奏曲子代码

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>
body {
	background: #efefef;
	overflow: hidden;
	width: 100vw;
	height: 100vh;
}
svg {
	display: block;
	width: 100vw;
	height: 100vh; touch-action: none;
	
}
#hint {
	position: fixed;
	inset: 0;
	display: flex;
	align-items: center;
	justify-content: center;
	font-family: sans-serif;
	font-size: 18px;
	letter-spacing: 0.08em;
	color: #999;
	opacity: 0;
	pointer-events: none;
	transition: opacity 0.6s ease;
}
#flash {
	position: fixed;
	inset: 0;
	background: radial-gradient(
		circle at 50%,
		rgba(255, 255, 255, 1),
		rgba(255, 255, 255, 0.6),
		rgba(255, 255, 255, 0)
	);
	opacity: 0;
	pointer-events: none;
}
.cut-line {
	animation: dash-flow 0.3s linear infinite;
}
@keyframes dash-flow {
	to {
		stroke-dashoffset: -10;
	}
}

button {
  font: 13px monospace;
  padding: 6px 10px;
  cursor: pointer;
}
#controls {
  position: fixed;
  top: 12px;
   right: 12px;
  z-index: 10;
}
</style>

  
  
</head>

<body translate="no">
  <div id="flash"></div>
<svg id="canvas" viewBox="0 0 1000 1000"></svg>
<div id="controls">
  <button id="toggle">grid</button>
  <button id="mute">mute</button>
  <button id="balldrop">surprise!</button>
</div>
  
    <script  type="module">
import opentype from "https://esm.sh/opentype.js";
import Matter from "https://esm.sh/matter-js";
import decomp from "https://esm.sh/poly-decomp";

console.clear();

Matter.Common.setDecomp(decomp);
const { Engine, Bodies, Body, Composite, Vertices, Query, Constraint } = Matter;

const CONFIG = {
  idleLetters: "ABCDEFGHIJKLMNOPQRSTUVWXYZ",
  fontSize: window.innerWidth < 700 ? 34 : window.innerWidth > 1000 ? 70 : 50,
  // Pin grid, expressed relative to fontSize so letters keep fitting through
  pinSpacingX: 2.2, // * fontSize
  pinSpacingY: 1.7, // * fontSize
  pinRadius: 8,
  pinTopOffset: 2.5, // * fontSize, empty drop zone above .........完整代码请登录后点击上方下载按钮下载查看