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亚伦影音工作室 发表于 2024-11-27 22:35

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本帖最后由亚伦影音工作室于 2024-11-27 22:40 编辑 <br /><br /><style>
#papa{margin: 150px 0 20px calc(50% - 721px); background:#000080 url('https://pic.imgdb.cn/item/6732aa3bd29ded1a8cf96a8e.webp')no-repeat center/cover;width: 1286px; height: 720px; box-shadow: 3px 3px 6px gray; overflow: hidden; z-index: 1234567; position: relative;}
#pa{
   margin: auto;
   width: 1286px;
   height: 720px;
   background: radial-gradient(circle, transparent, rgba(10,15,420,var(--opa))), url('https://pic.imgdb.cn/item/6741e211d29ded1a8c23a407.webp') no-repeat center/cover;
   box-shadow: 3px 3px 8px gray;
   --opa: 1;
}
#player {
position: absolute;z-index: 40;
left:35px;
bottom: 150px;
width: 180px;
height: 180px;
      opacity: 1;
transition: .4s;
display: grid;
place-items: center;
--sp1: 0; --sp2: 1;
}
#player::before, #player::after {
position: absolute;
content: '';
cursor: pointer;
transition: .4s;
}
#player::before {width: 180px;height: 180px;background:url(https://pic.imgdb.cn/item/674720f0d0e0a243d4d2bc7e.png)no-repeat center/cover;
opacity: var(--sp1);}
#player::after {width: 180px;height: 180px;background:url(https://pic.imgdb.cn/item/6741e220d29ded1a8c23b378.gif)no-repeat center/cover;
opacity: var(--sp2);}
#phone{position: absolute; z-index: 4;width:60px;top: 4%;left: 88%; font:400 2.6em/1em
华文隶书; color: transparent; background-image: linear-gradient(180deg, #fff,#00ff00,#fff000); background-size: 100px 400px;border: 1px #000; writing-mode:vertical-rl; -webkit-background-clip:text; animation: wenzi 10s linear infinite alternate }
@keyframes wenzi { 0% { background-position: 0px -2500px; } 100% { opacity: 1;background-position: 0px -1000px; }}
#lrc {--state: paused;--motion: cover2;--tt: 2s;--bg: linear-gradient(0deg, #880000, #880000, #880000);
position: absolute;z-index: 6;left: 50%; top: 80%;transform: translate(-50%);font:normal 3.5em/1em 华文隶书; font-weight:400;color: #000080;white-space: pre;-webkit-background-clip: text;filter:drop-shadow(#FFFFFF 1px 0 0)drop-shadow(#FFFFFF 0 1px 0)drop-shadow(#FFFFFF -1px 0 0) drop-shadow(#FFFFFF 0 -1px0);}
#lrc::before {position: absolute;content: attr(data-lrc);width: 100%; height: 100%;color: transparent;overflow: hidden;white-space: pre;background: var(--bg);clip-path: inset(0 100% 0 0);-webkit-background-clip: text;animation: var(--motion) var(--tt) linear forwards;animation-play-state: var(--state);}
@keyframes cover1{ to { clip-path: inset(0 0 0 0); } }@keyframes cover2 { to { clip-path: inset(0 0 0 0); } }
</style>
<div id="papa">
<div id="pa"></div>
<div id="player" title="暂停音乐和动画/播放音乐和动画" ></div>
<div data-lrc="" id="lrc"></div>
<div id="phone">射雕英雄传之铁血丹心*罗文+甄妮*</div>
</div>

<audio id="aud" src="https://s2.ananas.chaoxing.com/sv-w8/audio/31/f4/61/a6da21b96fb15f1672db6d7b1a6f2483/audio.mp3" autoplay loop></audio>

<script>
setInterval (function() { if(!aud.paused) pa.style.setProperty('--opa', Math.random()); },500);
let mState = () => {aud.paused ? (player.style.setProperty('--sp1','1'), player.style.setProperty('--sp2','0')) : (player.style.setProperty('--sp1','0'), player.style.setProperty('--sp2','1'))};

aud.addEventListener('play', () => mState());
aud.addEventListener('pause', () => mState());
player.addEventListener('click', () => aud.paused ? aud.play() : aud.pause());
phone.style.animationPlayState = aud.paused ? 'paused' : 'running';
aud.addEventListener('playing', () =>phone.style.animationPlayState = 'running');
aud.addEventListener('pause', () =>phone.style.animationPlayState = 'paused');

</script>
<script >
(function() {
/*原始lrc歌词*/
let lrcStr = `铁血丹心(电视剧射雕英雄传之铁血丹心主题曲)
罗文+甄妮
作词：Deng Wei Xiong
作曲：Gu Jia Hui
依稀往梦似曾见
心内波澜现
抛开世事断愁怨
相伴到天边
逐草四方沙漠苍茫
哪惧雪霜扑面
射雕引弓塞外奔弛
笑傲此生无厌倦
应知爱意似是流水
斩不断理还乱
身经百劫也在心间
恩义两难断
逐草四方沙漠苍茫
哪惧雪霜扑面
射雕引弓塞外奔弛
笑傲此生无厌倦
应知爱意似是流水
斩不断理还乱
身经百劫也在心间
恩义两难断
身经百劫也在心间
恩义两难断
`;
/*变量：mKey - 当前歌词索引；mFlag ：调用关键帧动画索引；averAdd ：平均值补偿*/
let mKey = 0, mFlag = true, averAdd = 0.3;

/*函数：获取每句歌词用时，歌词用时若超过平均值则取平均值，最后一句歌词则取平均值*/
let lrcTime = (ar) => {
let tmpAr = [];
for(j = 0; j <ar.length - 1; j ++) {
if(j !== ar.length - 1) tmpAr = parseFloat((ar - ar).toFixed(1));
}
let aver = parseInt(tmpAr.reduce((a,b) => a + b) / (tmpAr.length - 1)) + averAdd;
tmpAr.push(aver);
tmpAr.forEach((item,key) => {
ar = item > aver ? aver : item;
});
return ar;
};

/*函数：从原始lrc歌词获取信息并存入 n*3 数组*/
let getLrcAr = (text) => {
let lrcAr = [];
let calcRule = ;
for(x of text.split('\n')) {
let ar = [];
let re = /\d+[\.:]\d+([\.:]\d+)?/g;
let geci = x.replace(re,'');
if(geci) {
geci = geci.replace(/[\[\]\'\"\t,]s?/g,'');
let time = x.match(re);
if(time != null) {
for(y of time) {
let tmp = y.match(/\d+/g);
let sec = 0;
for(z in tmp) sec += tmp * calcRule;
ar = ;
lrcAr.push(ar);
}
}
}
}
lrcAr.sort((a,b)=> a - b);
return(lrcTime(lrcAr));
};

/*函数：模拟显示同步歌词*/
let showLrc = (time) => {
let name = mFlag ? 'cover1' : 'cover2';
lrc.innerHTML = lrcAr;
lrc.dataset.lrc = lrcAr;
lrc.style.setProperty('--motion', name);
lrc.style.setProperty('--tt', time + 's');
lrc.style.setProperty('--state', 'running');
mKey += 1;
mFlag = !mFlag;
};

/*函数：处理当前歌词索引 mKey*/
let calcKey = () => {
for (j = 0; j < lrcAr.length; j++) {
if (aud.currentTime <= lrcAr) {
mKey = j - 1;
break;
}
}
if (mKey < 0) mKey = 0;
if (mKey > lrcAr.length - 1) mKey = lrcAr.length - 1;
let time = lrcAr - (aud.currentTime - lrcAr);
showLrc(time);
};

/*格式化时间信息*/
let toMin = (val) => {
if (!val) return '00:00';
val = Math.floor(val);
let min = parseInt(val / 60),
sec = parseFloat(val % 60);
if (min < 10) min = '0' + min;
if (sec < 10) sec = '0' + sec;
return min + ':' + sec;
}

/*函数：关键帧动画状态切换*/
let mState = () => aud.paused ? (lrc.style.setProperty('--state','paused'),player.style.animationPlayState = 'paused') : (lrc.style.setProperty('--state','running'),player.style.animationPlayState = 'running');

/*监听播放进度*/
aud.addEventListener('timeupdate', () => {
for (j = 0; j < lrcAr.length; j++) {
if (aud.currentTime >= lrcAr) {
cKey = j;
if (mKey === j) showLrc(lrcAr);
else continue;
}
}
});
aud.addEventListener('pause', () => mState());/*监听暂停事件*/
aud.addEventListener('play', () => mState());/*监听播放事件*/
aud.addEventListener('seeked', () => calcKey());/*监听查询事件*/
let lrcAr = getLrcAr(lrcStr); /*获得歌词数组*/
})();
</script>

红影发表于 2024-11-27 23:32

漂亮的环形变色效果。
欣赏亚伦老师好帖{:4_199:}

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