点击按钮发送爆炸动画效果-html代码-BFW代码库

点击按钮发送爆炸动画效果

代码语言：html

所属分类：动画

代码描述：点击按钮发送爆炸动画效果

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=Hind&amp;display=swap'>
<style>
* {
	border: 0;
	box-sizing: border-box;
	margin: 0;
	padding: 0;
}
:root {
	font-size: calc(16px + (48 - 16)*(100vw - 320px)/(2560 - 320));
}
body, button {
	font: 1em/1.5 "Hind", sans-serif;
}
body {
	background: #e3e4e8;
	display: flex;
	height: 100vh;
	overflow: hidden;
}
button {
	background: #255ff4;
	border-radius: 0.2em;
	color: #fff;
	cursor: pointer;
	margin: auto;
	padding: 0.5em 1em;
	transition: background .15s linear, color .15s linear;
}
button:focus, button:hover {
	background: #0b46da;
}
button:focus {
	outline: transparent;
}
button::-moz-focus-inner {
	border: 0;
}
button:active {
	transform: translateY(0.1em);
}
.exploding, .exploding:focus, .exploding:hover {
	background: transparent;
	color: transparent;
}
.exploding {
	pointer-events: none;
	position: relative;
	will-change: transform;
	-webkit-user-select: none;
	-moz-user-select: none;
	-ms-user-select: none;
	user-select: none;
}
.particle {
	position: absolute;
	top: 0;
	left: 0;
}
.particle--debris {
	background: #255ff4;
}
.particle--fire {
	border-radius: 50%;
}

@media (prefers-color-scheme: dark) {
	body {
		background: #17181c;
	}
}
</style>

</head>
<body translate="no">
<button type="button">Explode</button>

<script >
document.addEventListener("DOMContentLoaded",() => {
	let button = new ExplosiveButton("button");
});

class ExplosiveButton {
	constructor(el) {
		this.element = document.querySelector(el);
		this.width = 0;
		this.height = 0;
		this.centerX = 0;
		this.centerY = 0;
		this.pieceWidth = 0;
		this.pieceHeight = 0;
		this.piecesX = 9;
		this.piecesY = 4;
		this.duration = 1000;

		this.updateDimensions();
		window.addEventListener("resize",this.updateDimensions.bind(this));

		if (document.body.animate)
			this.element.addEventListener("click",this.explode.bind(this,this.duration));
	}
	updateDimensions() {
		this.width = pxToEm(this.element.offsetWidth);
		this.height = pxToEm(this.element.offsetHeight);
		this.centerX = this.width / 2;
		this.centerY = this.height / 2;
		this.pieceWidth = this.width / this.piecesX;
		this.pieceHeight = this.height / this.piecesY;
	}
	explode(duration) {
		let explodingState = "exploding";

		if (!this.element.classList.contains(explodingState)) {
			this.element.classList.add(explodingState);

			this.createParticles("fire",25,duration);
			this.createParticles("debris",this.piecesX * this.piecesY,duration);
		}
	}
	createParticles(kind,count,duration) {
		for (let c = 0; c < count; ++c) {
			let r = randomFloat(0.25,0.5),
				diam = r * 2,
				xBound = this.centerX - r,
				yBound = this.centerY - r,
				easing = "cubic-bezier(0.15,0.5,0.5,0.85)";

			if (kind == "fire") {
				let x = this.centerX + randomFloat(-xBound,xBound),
					y = this.centerY + randomFloat(-yBound,yBound),
					a = calcAngle(this.centerX,this.centerY,x,y),
					dist = randomFloat(1,5);

				new FireParticle(this.element,x,y,diam,diam,a,dist,duration,easing);

			} else if (kind == "debris") {
				let x = (this.pieceWidth / 2) + this.pieceWidth * (c % this.piecesX),
					y = (this.pieceHeight / 2) + this.pieceHeight * Math.floor(c / this.piecesX),
					a = calcAngle(this.centerX,.........完整代码请登录后点击上方下载按钮下载查看