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马黑黑 · 发表于 2024-1-20 14:07

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马黑黑 · 发表于 2024-1-20 14:08

代码

<style>
#mydiv {
margin: 0 0 0 calc(50% - 593px);
width: 1024px;
height: 640px;
background: url('https://638183.freep.cn/638183/t24/jpg/kxbj.jpg') no-repeat center/cover;
box-shadow: 4px 4px 12px rgba(0,0,0,.7);
border: 1px solid gray;
overflow: hidden;
z-index: 1;
position: relative;
}
#vid {
position: absolute;
width: 100%;
height: 100%;
object-fit: cover;
mix-blend-mode: screen;
clip-path: inset(52% 0 0 0);
}
#player {
position: absolute;
left: calc(50% - 100px);
top: 20%;
width: 200px;
height: 200px;
cursor: pointer;
mix-blend-mode: overlay;
animation: rot 6s infinite linear var(--state);
}
li-zi {
position: absolute;
bottom: -20px;
width: 20px;
height: 20px;
border-radius: 50%;
background-image: radial-gradient(rgba(255, 255, 255, .3), rgba(255, 255, 255, .5));
box-shadow: inset 0 0 6px #fff;
opacity: 1;
}
@keyframes rise {
20% { transform: translate(0,-20px); opacity: .8; }
40% { transform: translate(var(--x1), -20px); opacity: .6; }
100% { transform: translate(var(--x2), -360px); opacity: 0; }
}
@keyframes rot { to { transform: rotate(360deg); } }
</style>
<div id="mydiv">
<audio id="aud" src="https://music.163.com/song/media/outer/url?id=1879108774" autoplay loop></audio>
<video id="vid" src="https://img.tukuppt.com/video_show/2418175/00/01/71/5b48b6cbb4677.mp4" loop muted></video>
<img id="player" src="https://638183.freep.cn/638183/small/hxdo.png" alt="" title="播放/暂停" />
</div>
<script>
(function() {
let tt = 60;
Array.from({length: tt}).forEach((lz,idx) => {
lz = document.createElement('li-zi');
lz.style.cssText += `
--x1: ${Math.random() < 0.5 ? -60 : 60}px;
--x2: ${Math.random() < 0.5 ? -160 : 160}px;
left: ${Math.floor((1024 - 30) * Math.random())}px;
animation: rise ${Math.random() * 6 + 6}s ${Math.random() * -3}s infinite var(--state);
`;
mydiv.prepend(lz);
});
let mState = () => aud.paused ? (mydiv.style.setProperty('--state', 'paused'),vid.pause()) : (mydiv.style.setProperty('--state', 'running'),vid.play());
aud.addEventListener('playing', mState, false);
aud.addEventListener('pause', mState, false);
player.addEventListener('click', ()=> aud.paused ? aud.play() : aud.pause(),false);
})();
</script>