HTML+CSS制作一个动画

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wx62bdb159cc187 2022-07-01 11:08:36 博主文章分类：【Web】 ©著作权

文章标签 css3 css html html5 sed 文章分类 OpenStack 云计算

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HTML+CSS制作一个动画
效果图如下：
HTML+CSS制作一个动画_html
HTML+CSS制作一个动画_css_02

HTML部分结构如下：

<!DOCTYPE html>
<html lang="zh-Hans">

<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>动画效果</title>
    <link rel="stylesheet" href="style.css">
</head>

<body>
    <div class="channel">
        扬帆起航&nbsp;成就梦想
    </div>
    <div class="container">
        <!-- 速度切换开关 -->
        <div id="switch">
            <div class="circle"></div>
        </div>
        <!-- 主画布 -->
        <div class="main">
            <!-- 太阳 -->
            <div class="sun">
                <span style="--i:1"></span>
                <span style="--i:2"></span>
                <span style="--i:3"></span>
                <span style="--i:4"></span>
                <span style="--i:5"></span>
                <span style="--i:6"></span>
                <span style="--i:7"></span>
                <span style="--i:8"></span>
            </div>
            <!-- 群山 让我们一起走过山川河流 -->
            <div class="mountain a"></div>
            <div class="mountain b"></div>
            <div class="mountain c"></div>
            <div class="mountain d"></div>
            <div class="mountain e"></div>
            <!-- 云和风 仰望天空，看见朵朵白云 -->
            <div class="cloud_wind_wrap_fast">
                <div class="cloud_wind_wrap_slow">
                    <div class="cloud_wind_group" style="--i:1">
                        <div class="cloud a">
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                        </div>
                        <div class="cloud b">
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                        </div>
                        <div class="cloud c">
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                        </div>
                        <div class="wind a">
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                        </div>
                        <div class="wind b">
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                        </div>
                        <div class="wind_small">
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                        </div>
                    </div>
                    <div class="cloud_wind_group" style="--i:2">
                        <div class="cloud a">
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                        </div>
                        <div class="cloud b">
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                        </div>
                        <div class="cloud c">
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                        </div>
                        <div class="wind a">
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                        </div>
                        <div class="wind b">
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                        </div>
                        <div class="wind_small">
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                        </div>
                    </div>
                    <div class="cloud_wind_group" style="--i:3">
                        <div class="cloud a">
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                        </div>
                        <div class="cloud b">
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                        </div>
                        <div class="cloud c">
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                        </div>
                        <div class="wind a">
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                        </div>
                        <div class="wind b">
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                        </div>
                        <div class="wind_small">
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                            <span></span>
                        </div>
                    </div>
                </div>
            </div>
            <!-- 树 化作一个棵树，长在你必经的路旁 -->
            <div class="tree_wrap">
                <div class="tree">
                    <span></span>
                    <span></span>
                    <span></span>
                    <span></span>
                </div>
            </div>
            <!-- 风车 有风的日子里，你转落了谁的芳华 -->
            <div class="windmill_wrap">
                <!-- 风车 -->
                <div class="windmill">
                    <!-- 风车支架 -->
                    <div class="pole"></div>
                    <!-- 风车头部 -->
                    <div class="head">
                        <!-- 风车扇叶组合 -->
                        <div class="fan">
                            <!-- 风车扇叶*3 -->
                            <span style="--i:1"></span>
                            <span style="--i:2"></span>
                            <span style="--i:3"></span>
                        </div>
                    </div>
                </div>
                <!-- 风车 left -->
                <div class="windmill left">
                    <!-- 风车支架 -->
                    <div class="pole"></div>
                    <!-- 风车头部 -->
                    <div class="head">
                        <!-- 风车扇叶组合 -->
                        <div class="fan">
                            <!-- 风车扇叶*3 -->
                            <span style="--i:1"></span>
                            <span style="--i:2"></span>
                            <span style="--i:3"></span>
                        </div>
                    </div>
                </div>
                <!-- 风车 right -->
                <div class="windmill right">
                    <!-- 风车支架 -->
                    <div class="pole"></div>
                    <!-- 风车头部 -->
                    <div class="head">
                        <!-- 风车扇叶组合 -->
                        <div class="fan">
                            <!-- 风车扇叶*3 -->
                            <span style="--i:1"></span>
                            <span style="--i:2"></span>
                            <span style="--i:3"></span>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    </div>

    <script>
        // 找到switch元素
        let swch = document.getElementById('switch');
        // 找到container元素
        let container = document.querySelector('.container');

        // 绑定点击事件
        swch.addEventListener('click', (e) => {
            // 这里其实可以实用切换
            // swch.classList.toggle('switched');
            // 为后期预留操作空间所以使用下面的方式
            if (swch.classList.contains('switched')) {
                // 移除样式
                swch.classList.remove('switched');
                // 不选中是为快
                container.classList.remove('slow');
            } else {
                // 增加样式
                swch.classList.add('switched');
                // 选中是为慢
                container.classList.add('slow');
            }
        });
    </script>


</body>

</html>

CSS部分结构如下：

:root {
    --background-color: #f5f5f5;
    --border-color: #7591AD;
    --text-color: #34495e;
    --color1: #EC3E27;
    --color2: #fd79a8;
    --color3: #6aa6d4;
    --color4: #00b894;
    --color5: #fdcb6e;
    --color6: #e056fd;
    --color7: #04a704;
    --color8: #BDC581;
}

*,
::after,
::before {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

html {
    font-size: 14px;
}

body {
    width: 100vw;
    height: 100vh;
    background-color: var(--background-color);
    display: flex;
    justify-content: center;
    align-items: center;
    font-family: 'Montserrat', sans-serif, Arial, 'Microsoft Yahei';
}

.channel {
    position: absolute;
    width: 80%;
    text-align: center;
    top: 10vh;
    left: 50%;
    transform: translateX(-50%);
    font-size: 5vmin;
    font-weight: bold;
    color: #35353588;
    z-index: 10000;
}

.container {
    position: absolute;
    width: 100vw;
    height: 100vh;
    /* background-color: #00b894; */
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}


/* **********
 * 速度切换开关
 * 不用checkbox实现，我们用js控制样式来实现
 * **********/

#switch {
    position: relative;
    width: 60px;
    height: 30px;
    border: 2px solid #333;
    border-radius: 30px;
    cursor: pointer;
}

#switch::before,
#switch::after {
    position: absolute;
    line-height: 26px;
    text-transform: uppercase;
    font-weight: 800;
    padding: 0 20px;
    /* background-color: #0984e3; */
    /* 取消前后状态名称的鼠标效果以及点击事件响应 */
    cursor: initial;
    pointer-events: none;
}

#switch::before {
    content: 'fast';
    right: 100%;
    color: var(--color8);
}

#switch::after {
    content: 'slow';
    left: 100%;
    color: var(--color3);
}


/* 默认情况 */

#switch .circle {
    position: absolute;
    top: 3px;
    left: 3px;
    width: 20px;
    height: 20px;
    border: 2px solid #333;
    border-radius: 50%;
    box-shadow: inset 4px -2px 0 0 var(--color8);
    transition: all .3s cubic-bezier(.86, 1.51, .74, 1);
}


/* 点击选中的情况 */

#switch.switched .circle {
    left: calc(100% - 20px - 3px);
    box-shadow: inset 4px -2px 0 0 var(--color3);
}


/* **********
 * 这里是主画布外框
 * **********/

.main {
    position: relative;
    width: 400px;
    height: 300px;
    border: 2px solid #333;
    margin-top: 20px;
    overflow: hidden;
}


/* **********
 * 这里是太阳
 * **********/

.sun {
    position: absolute;
    width: 20px;
    height: 20px;
    border: 2px solid #333;
    border-radius: 50%;
    left: 270px;
    top: 50px;
    display: flex;
    justify-content: center;
    align-items: center;
    animation: sun_rotate 10s linear infinite;
}

@keyframes sun_rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(-360deg);
    }
}

.sun span {
    position: absolute;
    display: block;
    height: 2px;
    width: 16px;
    background-color: #333;
    box-shadow: 4px 4px 0 0 var(--color5);
    transform: rotate(calc(var(--i) * 45deg)) translateX(-20px);
    animation: sun_ray 1s linear infinite;
    animation-delay: calc(var(--i) * -0.5s);
}

@keyframes sun_ray {
    0% {
        transform: rotate(calc(var(--i) * 45deg)) translateX(-20px) scaleX(1)
    }
    50% {
        transform: rotate(calc(var(--i) * 45deg)) translateX(-20px) scaleX(0.6)
    }
    100% {
        transform: rotate(calc(var(--i) * 45deg)) translateX(-20px) scaleX(1)
    }
}


/* **********
 * 这里是群山
 * **********/

.mountain {
    position: absolute;
    border: 2px solid #333;
    transform: rotate(45deg);
}

.mountain.a {
    width: 14px;
    height: 14px;
    left: 80px;
    bottom: 35px;
}

.mountain.b {
    width: 18px;
    height: 18px;
    left: 130px;
    bottom: 45px;
}

.mountain.c {
    width: 20px;
    height: 20px;
    left: 190px;
    bottom: 60px;
}

.mountain.d {
    width: 2px;
    height: 2px;
    left: 240px;
    bottom: 62px;
    border-bottom: none;
}

.mountain.e {
    width: 14px;
    height: 14px;
    left: 285px;
    bottom: 41px;
}

.mountain.a::after,
.mountain.b::after,
.mountain.c::after,
.mountain.d::after,
.mountain.e::after,
.mountain.a::before,
.mountain.b::before,
.mountain.c::before,
.mountain.d::before,
.mountain.e::before {
    position: absolute;
    content: '';
    background-color: #333;
}

.mountain.a::after,
.mountain.b::after,
.mountain.c::after,
.mountain.d::after,
.mountain.e::after {
    left: -2px;
    top: 100%;
    width: 2px;
}

.mountain.a::after {
    height: 70px;
}

.mountain.b::after {
    height: 50px;
}

.mountain.c::after {
    height: 70px;
}

.mountain.d::after {
    height: 14px;
}

.mountain.e::after {
    height: 18px;
}

.mountain.a::before,
.mountain.b::before,
.mountain.c::before,
.mountain.d::before,
.mountain.e::before {
    top: -2px;
    left: 100%;
    height: 2px;
}

.mountain.a::before {
    width: 14px;
    box-shadow: -5px -5px 0 0 var(--color4);
}

.mountain.b::before {
    width: 14px;
    box-shadow: -5px -5px 0 0 var(--color4);
}

.mountain.c::before {
    width: 36px;
    box-shadow: -14px -5px 0 0 var(--color4);
}

.mountain.d::before {
    width: 55px;
    box-shadow: 5px 5px 0 0 var(--color4);
}

.mountain.e::before {
    width: 70px;
    box-shadow: 5px 5px 0 0 var(--color4);
}


/* **********
 * 这里是云和风
 * **********/


/* .main {
    overflow: visible;
} */

.cloud_wind_wrap_fast {
    /* （画布大小-去两个边框）*3 */
    width: 1188px;
    height: 100%;
    /* background-color: #af401455; */
    animation: fly 3s linear infinite;
    animation-play-state: running;
}

.slow .cloud_wind_wrap_fast {
    animation-play-state: paused;
}

.cloud_wind_wrap_slow {
    width: 1188px;
    height: 100%;
    /* background-color: #56fd7255; */
    display: flex;
    justify-content: flex-start;
    align-items: center;
    animation: fly 6s linear infinite;
    animation-play-state: paused;
}

.slow .cloud_wind_wrap_slow {
    animation-play-state: running;
}

.cloud_wind_group {
    position: relative;
    width: 100%;
    height: 100%;
    /* background-color: #00b894; */
    /* animation: fly 12s linear infinite; */
    /* animation-delay: calc(var(--i) * -6s); */
}

@keyframes fly {
    0% {
        transform: translateX(0%);
    }
    100% {
        transform: translateX(-33.33333333333333%);
    }
}


/* **********
 * 今天只做云，明天风会来
 * **********/

.cloud {
    position: absolute;
    width: 60px;
    height: 45px;
}

.cloud.a {
    left: 60px;
    top: 20px;
}

.cloud.b {
    left: 160px;
    top: 80px;
    transform: rotateY(180deg);
}

.cloud.c {
    left: 280px;
    top: 50px;
}

.cloud span {
    position: absolute;
    display: block;
    background-color: #fff;
    border: 2px solid #333;
    border-radius: 50%;
}

.cloud span:nth-child(1) {
    width: 20px;
    height: 20px;
    left: 0;
    bottom: 0;
    border-right-color: transparent;
    border-bottom-color: transparent;
    transform: rotate(-45deg);
}

.cloud span:nth-child(2) {
    width: 20px;
    height: 20px;
    left: 10px;
    bottom: 10px;
    border-top-color: transparent;
    border-right-color: transparent;
    border-bottom-color: transparent;
    transform: rotate(45deg);
}

.cloud span:nth-child(3) {
    width: 30px;
    height: 30px;
    left: 15px;
    bottom: 12px;
    border-right-color: transparent;
    border-bottom-color: transparent;
    transform: rotate(50deg);
    box-shadow: 0 -3px 0 0 var(--color3);
}

.cloud span:nth-child(4) {
    width: 27px;
    height: 27px;
    left: 31px;
    bottom: 0px;
    border-left-color: transparent;
    transform: rotate(0deg);
    box-shadow: 2px -1px 0 0 var(--color3);
}

.cloud span:nth-child(5) {
    width: 35px;
    height: 15px;
    left: 10px;
    bottom: 0;
    border-radius: 0;
    border-width: 0 0 2px 0;
}


/* 中间云的阴影 */

.cloud.b span:nth-child(1) {
    box-shadow: 0px -3px 0 0 var(--color3);
}

.cloud.b span:nth-child(2) {
    box-shadow: -2px -1px 0 0 var(--color3);
}

.cloud.b span:nth-child(3) {
    box-shadow: -3px -1px 0 0 var(--color3);
}

.cloud.b span:nth-child(4) {
    box-shadow: none;
}


/* **********
 * 风来了
 * **********/


/* 大风 */

.wind {
    position: absolute;
    width: 10px;
    height: 10px;
    /* background-color: #EC3E27; */
}

.wind.a {
    top: 100px;
    left: 40px;
}

.wind.b {
    top: 140px;
    left: 260px;
}


/* 大风纹理 */

.wind span,
.wind span::before,
.wind span::after {
    position: absolute;
    background-color: #555;
    height: 3px;
}

.wind span::before,
.wind span::after {
    content: '';
}

.wind span,
.wind span::after {
    box-shadow: 4px 4px 0 -1px var(--color3);
}


/* 大风纹理1 */

.wind span:nth-child(1) {
    top: 0;
    left: 0;
    width: 40px;
}

.wind span:nth-child(1)::before {
    width: 10px;
    height: 10px;
    left: -4px;
    bottom: 1px;
    background-color: transparent;
    border: 3px solid #555;
    border-radius: 50%;
    border-color: transparent transparent #555 #555;
    transform: rotate(45deg);
}

.wind span:nth-child(1)::after {
    width: 10px;
    top: 0;
    left: 110%;
}


/* 大风纹理2 */

.wind span:nth-child(2) {
    top: 8px;
    left: -20px;
    width: 40px;
}

.wind span:nth-child(2)::before {
    width: 10px;
    height: 10px;
    left: -4px;
    bottom: 1px;
    background-color: transparent;
    border: 3px solid #555;
    border-radius: 50%;
    border-color: transparent transparent #555 #555;
    transform: rotate(45deg);
}

.wind span:nth-child(2)::after {
    width: 50px;
    top: 0;
    left: 110%;
}


/* 大风纹理3 */

.wind span:nth-child(3) {
    top: 15px;
    left: 50px;
    width: 10px;
}

.wind span:nth-child(3)::before {
    width: 40px;
    top: 0;
    right: 140%;
}

.wind span:nth-child(3)::after {
    width: 40px;
    top: 0;
    left: 140%;
}


/* 大风纹理4 */

.wind span:nth-child(4) {
    top: 20px;
    left: 30px;
    width: 40px;
}

.wind span:nth-child(4)::before {
    width: 10px;
    top: 0;
    right: 120%;
}

.wind span:nth-child(4)::after {
    width: 10px;
    top: 0;
    left: 120%;
}


/* 小风 */

.wind_small {
    position: absolute;
    width: 100%;
    height: 100%;
    /* background-color: #00b894; */
}


/* 小风纹理 */

.wind_small span,
.wind_small span::after {
    position: absolute;
    height: 3px;
    background-color: #555;
    box-shadow: 4px 4px 0 -1px var(--color3);
}

.wind_small span::after {
    content: '';
    width: 50%;
    top: 0;
    left: 120%;
}

.wind_small span:nth-child(1) {
    top: 12px;
    left: 5px;
    width: 50px;
}

.wind_small span:nth-child(2) {
    top: 32px;
    left: 120px;
    width: 20px;
}

.wind_small span:nth-child(3) {
    top: 152px;
    left: 120px;
    width: 20px;
}

.wind_small span:nth-child(3)::after {
    display: none;
}

.wind_small span:nth-child(4) {
    top: 172px;
    left: 60px;
    width: 20px;
}

.wind_small span:nth-child(5) {
    top: 60px;
    left: 140px;
    width: 10px;
}

.wind_small span:nth-child(5)::after {
    display: none;
}

.wind_small span:nth-child(6) {
    top: 20px;
    left: 300px;
    width: 30px;
}

.wind_small span:nth-child(7) {
    top: 115px;
    left: 330px;
    width: 30px;
}

.wind_small span:nth-child(8) {
    top: 170px;
    left: 200px;
    width: 10px;
}

.wind_small span:nth-child(8)::after {
    display: none;
}


/* **********
 * 这是四棵树
 * **********/

.tree_wrap,
.tree {
    position: absolute;
    width: 100%;
    height: 60px;
    left: 0;
    bottom: 0;
    /* background-color: #00b89466; */
    transform-origin: bottom;
    transition: all 0.2s linear;
}

.tree {
    /* background-color: #e056fd55; */
    animation: tree_move 1s linear infinite;
    transform-origin: bottom;
}

.slow .tree_wrap {
    transform: skewX(-10deg);
}

@keyframes tree_move {
    0%,
    100% {
        transform: skewX(16deg);
    }
    20% {
        transform: skewX(18deg);
    }
    40% {
        transform: skewX(20deg);
    }
    60% {
        transform: skewX(17deg);
    }
    80% {
        transform: skewX(18deg);
    }
}

.tree span {
    position: absolute;
    display: block;
    width: 2px;
    height: 10px;
    bottom: 0;
    background-color: #333;
    display: flex;
    justify-content: center;
    align-items: center;
}

.tree span:nth-child(1) {
    left: 70px;
}

.tree span:nth-child(2) {
    left: 150px;
}

.tree span:nth-child(3) {
    left: 180px;
}

.tree span:nth-child(4) {
    left: 330px;
}

.tree span::before,
.tree span::after {
    position: absolute;
    content: '';
    border: 2px solid #333;
    width: 12px;
    height: 26px;
    bottom: 100%;
    border-radius: 50%;
    background-color: #fff;
    box-shadow: inset -3px 4px 2px 0 var(--color7);
}

.tree span::after {
    border-color: transparent var(--color7) transparent transparent;
    background-color: transparent;
    transform: rotate(-15deg) translate(5px, -4px);
    box-shadow: none;
}


/* **********
 * 这是三个风车
 * **********/

.windmill_wrap {
    position: absolute;
    width: 100%;
    height: 120px;
    left: 0;
    bottom: 0;
    /* background-color: #00b89466; */
}

.windmill {
    position: absolute;
    /* width: 114px; */
    height: 100px;
    left: 220px;
    bottom: 0;
    /* background-color: #BDC581; */
    display: flex;
    justify-content: center;
    align-items: center;
}

.windmill.left {
    left: 100px;
    transform: scale(0.75);
    transform-origin: bottom;
}

.windmill.right {
    left: 300px;
    transform: scale(0.8);
    transform-origin: bottom;
}


/* 风车柱子 */

.windmill .pole {
    position: absolute;
    width: 14px;
    height: 120px;
    bottom: 0px;
    /* background-color: #535c0f; */
    perspective: 70px;
}

.windmill .pole::after {
    position: absolute;
    content: '';
    width: 100%;
    height: 100%;
    background-color: #fff;
    border: 3px solid #333;
    border-width: 0 3px;
    transform-origin: bottom;
    transform: rotateX(15deg);
}


/* 风车头部 */

.windmill .head {
    position: absolute;
    width: 10px;
    height: 10px;
    top: 0;
    /* background-color: #EC3E27; */
    transform: translateY(-50%);
    display: flex;
    justify-content: center;
    align-items: center;
    animation: windmill_fan_rotate 4s linear infinite;
    animation-play-state: paused;
}

.slow .windmill .head {
    animation-play-state: running;
}


/* 扇叶组合 */

.windmill .head .fan {
    position: absolute;
    width: 10px;
    height: 10px;
    /* background-color: #27ec72; */
    display: flex;
    justify-content: center;
    align-items: center;
    animation: windmill_fan_rotate 2s linear infinite;
    animation-play-state: running;
}

.slow .windmill .head .fan {
    animation-play-state: paused;
}


/* 扇叶组合中心圆 */

.windmill .head .fan::after {
    position: absolute;
    content: '';
    width: 15px;
    height: 15px;
    background-color: #fff;
    border: 3px solid #333;
    border-radius: 50%;
}


/* 扇叶 */

.windmill .head .fan span {
    position: absolute;
    width: 70px;
    height: 15px;
    background-color: #fff;
    border: 3px solid #333;
    border-radius: 100%;
    transform: rotate(calc(var(--i) * 120deg)) translateX(30px);
}


/* 旋转动画 */

@keyframes windmill_fan_rotate {
    0% {
        transform: rotate(0deg);
    }
    100% {
        transform: rotate(-360deg);
    }
}

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