结合SVG滤镜和CSS3动画实现逼真的火焰动画

svg fire animation，用来模拟火焰/火苗/背景火光动画，容易复用，不需要使用JS。

css3, fire

《aframe.js 3d拼图代码详解》作品已被踏得网收录！

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HTML
CSS
JavaScript
Result

编译

JavaScript

编译

CSS

.back {
    background: #141e30;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
}
.light {
    width: 100%;
    height: 100%;
    animation: firelight 2s ease infinite;
    background: radial-gradient(ellipse at bottom, rgba(255, 193, 7, 0.15) 0%, rgba(255, 193, 7, 0) 90%);
    position: fixed;
    z-index: 1;
    bottom: 0;
    left: 0;
    bottom: 0;
}
@keyframes firelight {
    0% {
        opacity: 1;
    }
    50% {
        opacity: 0.8;
    }
    100% {
        opacity: 1;
    }
}
.content {
    position: absolute;
    left: 50%;
    bottom: 0;
    margin: 0 0 -30px -100px;
    width: 200px;
    height: 200px;
    overflow: hidden;
    border-radius: 100%;
}
.content .fire {
    filter: url(#goo);
    position: absolute;
    width: 100%;
    height: 100%;
}
.content div.bottom {
    position: absolute;
    left: 50px;
    bottom: 0;
    width: 100px;
    height: 30px;
    background: #ff9800;
    border-radius: 30px;
}
.content figure {
    position: absolute;
    margin: 0 0 -15px;
    left: calc(50% - 70px);
    bottom: 0;
    width: 70px;
    height: 70px;
    background: #ff9800;
    border-radius: 100%;
}
.content figure:nth-child(1) {
    animation: firecircle 1.2s 0.14s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 2px;
    margin-bottom: -32px;
}
.content figure:nth-child(2) {
    animation: firecircle 1.2s 0.28s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 11px;
    margin-bottom: -28px;
}
.content figure:nth-child(3) {
    animation: firecircle 1.2s 0.42s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 29px;
    margin-bottom: -38px;
}
.content figure:nth-child(4) {
    animation: firecircle 1.2s 0.56s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 38px;
    margin-bottom: -23px;
}
.content figure:nth-child(5) {
    animation: firecircle 1.2s 0.7s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 67px;
    margin-bottom: -36px;
}
.content figure:nth-child(6) {
    animation: firecircle 1.2s 0.84s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 28px;
    margin-bottom: -19px;
}
.content figure:nth-child(7) {
    animation: firecircle 1.2s 0.98s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 1px;
    margin-bottom: -23px;
}
.content figure:nth-child(8) {
    animation: firecircle 1.2s 1.12s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 15px;
    margin-bottom: -25px;
}
.content figure:nth-child(9) {
    animation: firecircle 1.2s 1.26s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 60px;
    margin-bottom: -30px;
}
.content figure:nth-child(10) {
    animation: firecircle 1.2s 1.4s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 27px;
    margin-bottom: -36px;
}
.content figure:nth-child(11) {
    animation: firecircle 1.2s 1.54s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 13px;
    margin-bottom: -22px;
}
.content figure:nth-child(12) {
    animation: firecircle 1.2s 1.68s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 58px;
    margin-bottom: -20px;
}
.content figure:nth-child(13) {
    animation: firecircle 1.2s 1.82s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 50px;
    margin-bottom: -34px;
}
.content figure:nth-child(14) {
    animation: firecircle 1.2s 1.96s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 23px;
    margin-bottom: -30px;
}
.content figure:nth-child(15) {
    animation: firecircle 1.2s 2.1s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 27px;
    margin-bottom: -34px;
}
.content figure:nth-child(16) {
    animation: firecircle 1.2s 2.24s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 10px;
    margin-bottom: -26px;
}
.content .reverse div {
    position: absolute;
    margin: 0 0 -15px;
    left: 0;
    bottom: 0;
    width: 70px;
    height: 70px;
    background: #141e30;
    border-radius: 100%;
}
.content .reverse div:nth-child(1) {
    animation: firereverseleft 1.2s 0.5s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 4px;
    margin-bottom: -32px;
}
.content .reverse div:nth-child(2) {
    animation: firereverseleft 1.2s 1s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 18px;
    margin-bottom: -21px;
}
.content .reverse div:nth-child(3) {
    animation: firereverseleft 1.2s 1.5s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 4px;
    margin-bottom: -31px;
}
.content .reverse div:nth-child(4) {
    animation: firereverseleft 1.2s 2s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 2px;
    margin-bottom: -22px;
}
.content .reverse div:nth-child(5) {
    left: 120px;
    animation: firereverseright 1.2s 0.5s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 1px;
    margin-bottom: -16px;
}
.content .reverse div:nth-child(6) {
    left: 120px;
    animation: firereverseright 1.2s 1s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 22px;
    margin-bottom: -21px;
}
.content .reverse div:nth-child(7) {
    left: 120px;
    animation: firereverseright 1.2s 1.5s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 3px;
    margin-bottom: -36px;
}
.content .reverse div:nth-child(8) {
    left: 120px;
    animation: firereverseright 1.2s 2s cubic-bezier(0.5, 0.07, 0.64, 1) infinite;
    margin-left: 21px;
    margin-bottom: -34px;
}
@keyframes firecircle {
    0% {
        transform: translateY(0) scale(1);
        background: #ff9800;
    }
    100% {
        transform: translateY(-175px) scale(0);
        background: #ffc107;
    }
}
@keyframes firereverseleft {
    0% {
        transform: translateY(0) translateX(0) scale(0.3);
    }
    100% {
        transform: translateY(-175px) translateX(50px) scale(1);
    }
}
@keyframes firereverseright {
    0% {
        transform: translateY(0) translateX(0) scale(0.3);
    }
    100% {
        transform: translateY(-175px) translateX(-50px) scale(1);
    }
}
p {
    color: white;
    position: absolute;
    left: 50%;
    top: 40%;
    transform: translate(-50%, -50%);
    text-align: center;
    font-size: 42px;
    font-family: 'Cinzel', serif;
}
p span {
    width: 100%;
    font-size: 22px;
    font-style: italic;
    float: left;
    margin: 30px 0 0;
    letter-spacing: 1px;
    color: #ffc107;
    font-family: 'Open Sans Condensed', sans-serif;
}
p span:before {
    content: '— ';
}

HTML

<div class="back"></div>
<div class="light"></div>
<div class="content">
    <div class="fire">
        <div class="bottom"></div>
        <figure></figure>
        <figure></figure>
        <figure></figure>
        <figure></figure>
        <figure></figure>
        <figure></figure>
        <figure></figure>
        <figure></figure>
        <figure></figure>
        <figure></figure>
        <figure></figure>
        <figure></figure>
        <figure></figure>
        <figure></figure>
        <figure></figure>
    </div>
    <div class="reverse">
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
        <div></div>
    </div>
</div>
<p>
    星星之火
    <br>可以燎原
    <span class="author">hosted by techbrood.com.</span>
</p>
<svg xmlns="https://www.w3.org/2000/svg" version="1.1">
    <defs>
        <filter id="goo">
            <feGaussianBlur in="SourceGraphic" stdDeviation="10" result="blur" />
            <feColorMatrix in="blur" mode="matrix" values="1 0 0 0 0  0 1 0 0 0  0 0 1 0 0  0 0 0 18 -7" result="goo" />
            <feBlend in="SourceGraphic" in2="goo" />
        </filter>
    </defs>
</svg>

svg fire animation，用来模拟火焰/火苗/背景火光动画，容易复用，不需要使用JS。

css3, fire

编辑器支持Emmet

快捷键

svg fire animation，用来模拟火焰/火苗/背景火光动画，容易复用，不需要使用JS。

css3, fire

使用SVG过滤器和CSS3动画实现的文本特效 弯弯曲曲的蚯蚓字

使用CSS3 SVG和JS实现的交互式火球动画

编辑器支持Emmet

快捷键

语言：

语言：

导入代码模板：

使用SVG过滤器和CSS3动画实现的文本特效弯弯曲曲的蚯蚓字