How to use pure CSS to implement a wandering jelly monster (source code attached)-CSS Tutorial-php.cn

How to use pure CSS to implement a wandering jelly monster (source code attached)

不言

Release： 2018-09-03 17:56:34

Original

1660 people have browsed it

The content of this article is about how to use pure CSS to realize the wandering jelly monster. It has certain reference value. Friends in need can refer to it. I hope it will be helpful to you.

Effect preview

How to use pure CSS to implement a wandering jelly monster (source code attached)

Source code download

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

Code Interpretation

Define dom, the container contains 2 elements, representing the monster's body and eyes respectively:

<p>
    <span></span>
    <span></span>
</p>

Copy after login

Set the background color:

body {
    margin: 0;
    height: 100vh;
    background-color: black;
}

Copy after login

Settings Foreground color:

.monster {
    width: 100vw;
    height: 50vh;
    background-color: lightcyan;
}

Copy after login

Draw the monster’s body:

.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);
}

Copy after login

Define the container where the monster’s eyes are:

.eyes {
    width: 24vmin;
    height: 5vmin;
    position: absolute;
    bottom: 2vmin;
    left: calc(32vmin - 24vmin - 2vmin);
}

Copy after login

Draw the monster’s eyes using pseudo elements:

.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;
}

Copy after login

Define a gentle jumping animation for the monster, and combine it with the following animation effects to make it have the elasticity of jelly:

.body {
    animation:
        bounce 1s infinite alternate;
}

@keyframes bounce {
    to {
        bottom: calc(-1 * 32vmin / 2 - 2vmin);
    }
}

Copy after login

Let the monster's body rotate:

@keyframes wave {
    to {
        transform: rotate(360deg);
    }
}

Copy after login

Let the monster wander Walking:

.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);
    }
}

Copy after login

Finally, let the monster’s eyes blink:

.eyes::before,
.eyes::after {
    animation: blink 3s infinite linear;
}

@keyframes blink {
    4%, 10%, 34%, 40% {
        transform: scaleY(1);
    }

    7%, 37% {
        transform: scaleY(0);
    }
}

Copy after login

Done!

Related recommendations:

How to use pure CSS to achieve the animation effect of a person walking alone (source code attached)

How to use pure CSS Implement a paper crane (with source code)

The above is the detailed content of How to use pure CSS to implement a wandering jelly monster (source code attached). For more information, please follow other related articles on the PHP Chinese website!