19

图片描述

效果预览

按下右侧的“点击预览”按钮可以在当前页面预览,点击链接可以全屏预览。

https://codepen.io/comehope/pen/vrxzMw

可交互视频教程

此视频是可以交互的,你可以随时暂停视频,编辑视频中的代码。

请用 chrome, safari, edge 打开观看。

https://scrimba.com/p/pEgDAM/cnpZEAZ

源代码下载

每日前端实战系列的全部源代码请从 github 下载:

https://github.com/comehope/front-end-daily-challenges

代码解读

定义 dom,容器中包含 2 个元素:

<div class="ice-lolly">
    <div class="flavors"></div>
    <div class="stick"></div>
</div>

居中显示:

body {
    margin: 0;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    background-color: darkslategray;
}

绘制出冰棍的外形:

.flavors {
    width: 19em;
    height: 26em;
    font-size: 10px;
    border-radius: 8em 8em 1em 1em;
}

给冰棍上色:

.flavors {
    position: relative;
    overflow: hidden;
}

.flavors::before {
    content: '';
    position: absolute;
    width: 140%;
    height: 120%;
    background: linear-gradient(
        hotpink 0%,
        hotpink 25%,
        deepskyblue 25%,
        deepskyblue 50%,
        gold 50%,
        gold 75%,
        lightgreen 75%,
        lightgreen 100%);
    z-index: -1;
    left: -20%;
    transform: rotate(-25deg);
}

来一点光照效果:

.flavors::after {
    content: '';
    position: absolute;
    width: 2em;
    height: 17em;
    background-color: rgba(255, 255, 255, 0.5);
    left: 2em;
    bottom: 2em;
    border-radius: 1em;
}

画出冰棍筷子:

.stick {
    position: relative;
    width: 6em;
    height: 8em;
    background-color: sandybrown;
    left: calc(50% - 6em / 2);
    border-radius: 0 0 3em 3em;
}

给冰棍筷子加一点阴影,增加立体感:

.stick::after {
    content: '';
    position: absolute;
    width: inherit;
    height: 2.5em;
    background-color: sienna;
}

让冰棍的色彩滚动起来:

.flavors::before {
    animation: moving 100s linear infinite;
}

@keyframes moving {
    to {
        background-position: 0 1000vh;
    }
}

最后,增加交互效果,当鼠标悬停时才播放动画:

.flavors::before {
    animation-play-state: paused;
}

.ice-lolly:hover .flavors::before {
    animation-play-state: running;
}

大功告成!


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