
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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