加载效果
代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>加载效果</title>
<link rel="stylesheet" href="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/3.4.1/css/bootstrap.min.css"
integrity="sha384-HSMxcRTRxnN+Bdg0JdbxYKrThecOKuH5zCYotlSAcp1+c8xmyTe9GYg1l9a69psu" crossorigin="anonymous">
<script src="https://cdn.bootcdn.net/ajax/libs/twitter-bootstrap/3.4.1/js/bootstrap.min.js"
integrity="sha384-aJ21OjlMXNL5UyIl/XNwTMqvzeRMZH2w8c5cRVpzpU8Y5bApTppSuUkhZXN0VxHd"
crossorigin="anonymous"></script>
<style>
* {
margin: 0;
padding: 0;
}
body {
background: #2980b9;
}
.loading {
height: 40px;
position: absolute;
top: 50%;
left: 50%;
display: flex;
transform: translate(-50%, -50%);
align-items: center;
}
.object {
width: 6px;
height: 40px;
background: white;
margin: 0 3px;
border-radius: 10px;
animation: loading 0.8s infinite;
animation-play-state: paused;
}
.xyBtn {
position: absolute;
top: 60%;
left: 50%;
transform: translate(-40%, -50%);
}
.object:nth-child(2) {
animation-delay: 0.1s;
}
.object:nth-child(3) {
animation-delay: 0.2s;
}
.object:nth-child(4) {
animation-delay: 0.3s;
}
.object:nth-child(5) {
animation-delay: 0.4s;
}
.object:nth-child(6) {
animation-delay: 0.5s;
}
.object:nth-child(7) {
animation-delay: 0.6s;
}
.object:nth-child(8) {
animation-delay: 0.7s;
}
@keyframes loading {
0% {
height: 0;
}
50% {
height: 40px;
}
100% {
height: 0;
}
}
.animate {
animation-play-state: running;
}
.paused {
animation-play-state: paused;
}
</style>
</head>
<body>
<div class="loading">
<div class="object"></div>
<div class="object"></div>
<div class="object"></div>
<div class="object"></div>
<div class="object"></div>
<div class="object"></div>
<div class="object"></div>
<div class="object"></div>
</div>
<button type="button" class="btn btn-info xyBtn" id="toggleButton">开始动画</button>
<script>
var toggleButton = document.getElementById("toggleButton");
var objectElements = document.getElementsByClassName("object");
var animationState = false;
toggleButton.addEventListener("click", function () {
animationState = !animationState;
if (animationState) {
for (var i = 0; i < objectElements.length; i++) {
objectElements[i].classList.add("animate");
objectElements[i].classList.remove("paused");
}
toggleButton.textContent = "暂停动画";
} else {
for (var i = 0; i < objectElements.length; i++) {
objectElements[i].classList.add("paused");
objectElements[i].classList.remove("animate");
}
toggleButton.textContent = "开始动画";
}
});
</script>
</body>
</html>
创意视频球特效
代码
<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>创意视频球特效</title>
<style>
* {
margin: 0;
padding: 0;
}
body {
overflow: hidden;
}
section {
position: absolute;
top: -100px;
left: -100px;
right: -100px;
bottom: -100px;
display: flex;
justify-content: center;
align-items: center;
}
section video {
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
object-fit: cover;
filter: blur(35px);
}
section .sphere {
position: relative;
width: 600px;
height: 600px;
border-radius: 50%;
z-index: 10;
}
section .sphere::before {
content: "";
position: absolute;
top: 0;
left: 0;
width: 100%;
height: 100%;
z-index: 100;
border-radius: 50%;
box-shadow: inset 0 100px 100px rgba(255, 255, 255, 0.5),
inset 0 -100px 100px rgba(0, 0, 0, 1),
inset 0 0 100px rgba(0, 0, 0, 1);
}
section .sphere::after {
content: "";
position: absolute;
top: 550px;
left: -50px;
width: 700px;
height: 100px;
z-index: -1;
border-radius: 50%;
background: black;
background: radial-gradient(black, transparent, transparent);
}
section .sphere video {
width: 100%;
height: 100%;
position: absolute;
top: 0;
left: 0;
object-fit: cover;
border-radius: 50%;
filter: blur(0);
}
section .controls {
position: absolute;
bottom: 100px;
left: 50%;
transform: translateX(-50%);
display: flex;
align-items: center;
}
section .controls button {
background: none;
border: none;
outline: none;
cursor: pointer;
color: white;
font-size: 20px;
margin-right: 10px;
font-family: 'Times New Roman', Times, serif;
}
section .controls input[type="range"] {
width: 800px;
margin-right: 10px;
}
section .controls span {
color: white;
font-size: 18px;
font-family: 'Times New Roman', Times, serif;
}
</style>
</head>
<body>
<section>
<video id="backgroundVideo" src="../Videos/1-“挑 战 B 站 画 质 上 限”-4K 超清-AVC.mp4"></video>
<div class="sphere">
<video id="sphereVideo" src="../Videos/1-“挑 战 B 站 画 质 上 限”-4K 超清-AVC.mp4"></video>
</div>
<div class="controls">
<button id="playPauseButton">播放</button>
<input type="range" id="progressBar" min="0" step="0.001">
<span id="currentTime">00:00</span>
<span>/</span>
<span id="duration">00:00</span>
</div>
</section>
<script>
document.addEventListener("DOMContentLoaded", function () {
var backgroundVideo = document.getElementById("backgroundVideo");
var sphereVideo = document.getElementById("sphereVideo");
var playPauseButton = document.getElementById("playPauseButton");
var progressBar = document.getElementById("progressBar");
var currentTime = document.getElementById("currentTime");
var duration = document.getElementById("duration");
backgroundVideo.pause();
sphereVideo.pause();
progressBar.value = 0;
playPauseButton.addEventListener("click", function () {
if (backgroundVideo.paused) {
backgroundVideo.play();
sphereVideo.play();
playPauseButton.textContent = "暂停";
} else {
backgroundVideo.pause();
sphereVideo.pause();
playPauseButton.textContent = "播放";
}
});
backgroundVideo.addEventListener("timeupdate", function () {
var progress = (backgroundVideo.currentTime / backgroundVideo.duration) * 100;
progressBar.value = progress;
currentTime.textContent = formatTime(backgroundVideo.currentTime);
});
progressBar.addEventListener("input", function () {
var progressTime = (progressBar.value / 100) * backgroundVideo.duration;
backgroundVideo.currentTime = progressTime;
sphereVideo.currentTime = progressTime;
currentTime.textContent = formatTime(progressTime);
});
function formatTime(time) {
var minutes = Math.floor(time / 60);
var seconds = Math.floor(time % 60);
return (minutes < 10 ? "0" : "") + minutes + ":" + (seconds < 10 ? "0" : "") + seconds;
}
backgroundVideo.addEventListener("loadedmetadata", function () {
duration.textContent = formatTime(backgroundVideo.duration);
});
backgroundVideo.addEventListener("ended", function () {
playPauseButton.textContent = "播放";
progressBar.value = 0;
currentTime.textContent = "00:00";
});
});
</script>
</body>
</html>