效果预览
在线演示
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/VdOKQG
可交互视频
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。
/p/pEgDAM/c43ekUL
源代码下载
本地下载
每日前端实战系列的全部源代码请从 github 下载:
/comehope/front-end-daily-challenges
代码解读
定义 dom,容器中包含 2 个元素,分别代表怪兽的身体和眼睛:
<div class="monster"><span class="body"></span><span class="eyes"></span></div>
设置背景色:
body {margin: 0;height: 100vh;background-color: black;}
设置前景色:
.monster {width: 100vw;height: 50vh;background-color: lightcyan;}
画出怪兽的身体:
.monster {position: relative;}.body {position: absolute;width: 32vmin;height: 32vmin;background-color: teal;border-radius: 43% 40% 43% 40%;bottom: calc(-1 * 32vmin / 2 - 4vmin);}
定义怪兽眼睛所在的容器:
.eyes {width: 24vmin;height: 5vmin;position: absolute;bottom: 2vmin;left: calc(32vmin - 24vmin - 2vmin);}
用伪元素画出怪兽的眼睛:
.eyes::before,.eyes::after {content: '';position: absolute;width: 5vmin;height: 5vmin;border: 1.25vmin solid white;box-sizing: border-box;border-radius: 50%;}.eyes::before {left: 4vmin;}.eyes::after {right: 4vmin;}
为怪兽定义轻轻跳起的动画,结合后面的动画效果,让它具有果冻的弹性:
.body {animation:bounce 1s infinite alternate;}@keyframes bounce {to {bottom: calc(-1 * 32vmin / 2 - 2vmin);}}
让怪兽的身体转动起来:
@keyframes wave {to {transform: rotate(360deg);}}
让怪兽徘徊行走:
.monster {overflow: hidden;}.body {left: -2vmin;animation:wander 5s linear infinite alternate,wave 3s linear infinite,bounce 1s infinite alternate;}.eyes {animation: wander 5s linear infinite alternate;}@keyframes wander {to {left: calc(100% - 32vmin + 2vmin);}}
最后,让怪兽的眼睛眨一眨:
.eyes::before,.eyes::after {animation: blink 3s infinite linear;}@keyframes blink {4%, 10%, 34%, 40% {transform: scaleY(1);}7%, 37% {transform: scaleY(0);}}
大功告成!
原文地址:/a/1190000015484852