canvas实现支持中文的自定义文字颗粒化粒子散落一地动画效果代码-html代码-BFW代码库

canvas实现支持中文的自定义文字颗粒化粒子散落一地动画效果代码

代码语言：html

所属分类：粒子

代码描述：canvas实现支持中文的自定义文字颗粒化粒子散落一地动画效果代码

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">

  
  <link rel='stylesheet' href='https://fonts.googleapis.com/css2?family=Paytone+One&amp;display=swap'>
  
<style>
:root {
	--foreground: #f5ff6e;
	--foreground-hover: #f8ff99;
	--background: #103b82;
	--background-lgt: #2561c4;
}

html * {
	box-sizing: border-box;
}

body {
	padding: 0;
	margin: 0;
}

body {
	background-color: var(--background);
	color: var(--foreground);
	position: relative;
	overflow: hidden;
}

button#restart {
	position: absolute;
	top: 1rem;
	right: 1rem;
	z-index: 3;
	padding: 0.75rem 1.5rem;
	border: none;
	background-color: var(--foreground);
	color: #000;
	border-radius: 0.25rem;
	cursor: pointer;
}

#input-container {
	position: absolute;
	left: 50%;
	top: 1rem;
	transform: translate3d(-50%, 0, 0);
	display: flex;
	align-items: center;
	gap: 0.5rem;
}

#input-container input {
	background-color: rgb(255 255 255 / 0.25);
	border: 3px solid var(--background-lgt);
	border-radius: 0.25rem;
	color: #fff;
	font-size: 1.25rem;
}

#select-word {
	/* 	font-size: 1.25rem; */
	background-color: var(--foreground);
	border: none;
	border-radius: 0.25rem;
	padding: 0.5rem 1.5rem;
}

button#restart:hover,
#select-word:hover {
	background-color: var(--foreground-hover);
}

canvas#oof-canvas {
	position: absolute;
	left: 0;
	right: 0;
	width: 100vw;
	height: 100vh;
	/* 	outline: 1px solid lime; */
	z-index: 2;
	pointer-events: none;
}
</style>


  
  
</head>

<body translate="no">
  <div id="input-container">
	<input id="word" type="text" value="BFW" />
	<button id="select-word">Clumsy me!</button>
</div>
<!-- <p>Oof</a> -->
<!-- inspired by Edward Ruscha's OOF https://www.moma.org/collection/works/79298 -->
<canvas id="oof-canvas"></canvas>
<!-- <button id="restart">Restart</button> -->
  
      <script>
console.clear();

const canvas = document.querySelector("#oof-canvas");
const ctx = canvas.getContext("2d");

const restartBtn = document.querySelector("#restart");

const wordInput = document.querySelector("#word");
const wordSubmit = document.querySelector("#select-word");

resizeCanvas();

const text = {
  value: "BFW",
  color: "245 255 110",
  fontFamily: `"Paytone One", sans-serif`,
  size: 20,
  opacity: 1 };


const textSize = {
  width: null,
  height: null };


let particleArr = [];

let textCoordinates;

let gravity = 0;
let gravityFlag = false;

let isAnimating = false;

class Particle {
  constructor({ position }) {
    this.position = position;
    this.velocity = {
      x: 0,
      y: 0 };

    this.size = 2;
  }
  update() {
    this.velocity.y += gravity;

    this.position.x += this.velocity.x;
    this.position.y += this.velocity.y;

    if (this.position.y >= canvas.height) {
      this.velocity.y = this.velocity.y * -(Math.random() * 0.4 + 0.2);
    }

    this.draw();
  }
  draw() {
    ctx.beginPath();
    ctx.arc(this.position.x, this.position.y, this.size, 0, Math.PI * 2);
    ctx.fillStyle = `rg.........完整代码请登录后点击上方下载按钮下载查看