https://github.com/comehope/front-end-daily-challenges
定义 dom,容器中包含 2 个元素,分别代表怪兽的身体和眼睛:
<p class="monster"> <span class="body"></span> <span class="eyes"></span> </p>
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!
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