current position:Home>[animation Xiaole] HTML + CSS pea eating animation 073
[animation Xiaole] HTML + CSS pea eating animation 073
2021-08-27 04:52:37 【Haibang Pro】
This is my participation 8 The fourth of the yuegengwen challenge 23 God , Check out the activity details :8 Yuegengwen challenge
Preface
Hello! buddy !
Thank you very much for reading Haihong's article , If there are mistakes in the text , You are welcome to point out ~
Self introduction. ଘ(੭ˊᵕˋ)੭
nickname : Sea boom
label : Program the ape |C++ player | Student
brief introduction : because C Language and programming , Then I turned to computer science , Lucky to have won the National Award 、 Provincial awards, etc , It has been insured . Currently learning C++/Linux( It's really, really hard ~)
Learning experience : Solid foundation + Take more notes + Knock more code + Think more + Learn English well !
【 Animation Xiaole 】 It's boring to study and live at ordinary times , Inadvertently on some pages 、 Application transition / There's a lot of interest in loading animation , I want to know how to achieve it ? Learn how to use it in your spare time css Achieve some simple animation effects , This article is only for your study notes , Record your study and life , Try to understand the principles of animation , A lot of “ eliminate ” Animation !
Effect display
Demo Code
HTML
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta http-equiv="X-UA-Compatible" content="IE=edge">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<link rel="stylesheet" href="style.css">
<title>Document</title>
</head>
<body>
<section><span></span></section>
</body>
</html>
Copy code
CSS
html,body{
margin: 0;
height: 100%;
}
body{
display: flex;
justify-content: center;
align-items: center;
background: #263238;
}
section {
width: 650px;
height: 300px;
padding: 10px;
position: relative;
display: flex;
align-items: center;
justify-content: center;
/* The red border is just a reminder */
border: 2px solid red;
}
span{
display: inline-block;
position: relative;
border-radius: 50%;
border-top: 48px white solid;
border-bottom: 48px white solid;
border-left: 48px white solid;
border-right: 48px transparent solid;
color: white;
animation: c .5s linear infinite ;
}
@keyframes c {
0%{
box-shadow: 120px 0px 0 -40px rgba(255, 255, 255, .5),
100px 0px 0 -40px rgba(255, 255, 255, .75),
80px 0px 0 -40px rgba(255, 255, 255, 1);
}
100%{
box-shadow: 100px 0px 0 -40px rgba(255, 255, 255, .5),
80px 0px 0 -40px rgba(255, 255, 255, .75),
60px 0px 0 -40px rgba(255, 255, 255, 1);
}
}
span::before{
position: absolute;
content: '';
display: inline-block;
top: -48px;
left: -48px;
border-top: 48px white solid;
border-bottom: 48px transparent solid;
border-left: 48px transparent solid;
border-right: 48px transparent solid;
border-radius: 50%;
animation: a .25s linear infinite alternate;
}
span::after{
position: absolute;
content: '';
top: -48px;
left: -48px;
border-top: 48px transparent solid;
border-bottom: 48px white solid;
border-left: 48px transparent solid;
border-right: 48px transparent solid;
border-radius: 50%;
animation: b .25s linear infinite alternate;
}
@keyframes a {
0% { transform: rotate(45deg) }
100% { transform: rotate(0deg)
}
}
@keyframes b {
0% { transform: rotate(-45deg) }
100% { transform: rotate(0deg)
}
}
Copy code
The principle,
step 1
Use span label , Set to
- Relative positioning
- On 、 Next 、 The left border is 48px white Solid line solid
- The right border is 48px transparent Solid line solid
span {
position: relative;
border-top: 48px white solid;
border-bottom: 48px white solid;
border-left: 48px white solid;
border-right: 48px transparent solid;
}
Copy code
The effect is as follows
step 2
span Fillet
span {
border-radius: 50%;
}
Copy code
The effect is as follows
step 3
by span Add three shadows
box-shadow: 120px 0px 0 -40px rgba(255, 255, 255, .5), /* shadow 1*/
100px 0px 0 -40px rgba(255, 255, 255, .75), /* shadow 2*/
80px 0px 0 -40px rgba(255, 255, 255, 1);/* shadow 3*/
Copy code
The effect is as follows
step 4
by span Add animation to the three shadows of
The animation is very simple , It's three balls moving horizontally from the right to the left
It just needs to be modified box-shadow The horizontal offset in is done
span {
animation: c 1s linear infinite;
}
Copy code
@keyframes c {
0% {
box-shadow: 120px 0px 0 -40px rgba(255, 255, 255, .5),
100px 0px 0 -40px rgba(255, 255, 255, .75),
80px 0px 0 -40px rgba(255, 255, 255, 1);
}
100% {
box-shadow: 100px 0px 0 -40px rgba(255, 255, 255, .5),
80px 0px 0 -40px rgba(255, 255, 255, .75),
60px 0px 0 -40px rgba(255, 255, 255, 1);
}
}
Copy code
The effect is as follows
step 5
Use span::before and span::after Act as two parts of the mouth closure
The first set span::before
Set to
- Absolute positioning (top: -48px left: -48px)
- The top border is :48px red solid
- Next 、 Left 、 Right margin :48px transparent solid;
span::before {
position: absolute;
content: '';
top: -48px;
left: -48px;
border-top: 48px red solid;
border-bottom: 48px transparent solid;
border-left: 48px transparent solid;
border-right: 48px transparent solid;
}
Copy code
The effect is as follows
Recanalization
span::before {
border-radius: 50%;
}
Copy code
The effect is as follows
by span::before Add animation
The animation effect is described as : All the way around the center of the circle 0-45 degree
span::before {
animation: a .5s linear infinite alternate;
}
Copy code
@keyframes a {
0% {
transform: rotate(45deg)
}
100% {
transform: rotate(0deg)
}
}
Copy code
The effect is as follows
Empathy Use span::after
Set to
- Absolute positioning ( top: -48px left: -48px)
- Under the frame :48px red solid;
- On 、 Left 、 Right margin :48px transparent solid;
- Fillet :border-radius: 50%;
span::after {
position: absolute;
content: '';
top: -48px;
left: -48px;
border-top: 48px transparent solid;
border-bottom: 48px red solid;
border-left: 48px transparent solid;
border-right: 48px transparent solid;
border-radius: 50%;
}
Copy code
The effect is as follows
Again span::after Add and before The same effect of animation
span::after {
animation: b .5s linear infinite alternate;
}
Copy code
@keyframes b {
0% {
transform: rotate(-45deg)
}
100% {
transform: rotate(0deg)
}
}
Copy code
The effect is as follows
step 6
span::after、span::before The color in the border is red Change to white
Last span、span::after、span::before Three animations are shown together
Get the end result
Conclusion
The article is only for study notes , Record from 0 To 1 A process of . I hope it will be of some help to you , If you have any mistakes, you are welcome to correct them ~
I'm Haihong ଘ(੭ˊᵕˋ)੭, If you think it's ok , Please like it
Writing is not easy to ,「 give the thumbs-up 」+「 Collection 」+「 forward 」
Thank you for your support ️
copyright notice
author[Haibang Pro],Please bring the original link to reprint, thank you.
https://en.qdmana.com/2021/08/20210827045235982w.html
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