You Lay Down

马黑黑 · 发表于 2022-9-18 07:16

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花潮lrc在线

00:00 | 00:00

马黑黑 · 发表于 2022-9-18 07:17

代码

<style>
#papa { left: -214px; width: 1024px; height: 640px; background: #ccc url('https://638183.freep.cn/638183/qd/layudown.jpg') no-repeat center/cover; box-shadow: 3px 3px 20px #000; display: grid; place-items: center; overflow: hidden; position: relative; z-index: 1; }
#mplayer { position: absolute; bottom: 0; width: 300px; height: 80px; user-select: none; display: grid; place-items: center; cursor: pointer; }
#mplayer:hover #btnwrap, #mplayer:hover #prog { transform: translateY(var(--yy)); }
#mplayer:hover #btnwrap { background: linear-gradient(to top right, red, green); border-radius: 50%; opacity: .75; }
#btnwrap, #prog { position: absolute; display: grid; place-items: center;transition: .5s; }
#btnwrap { --yy: -15px; width: 40px; height: 40px; transform: rotate(45deg); border: 1px solid tan; border-radius: 6px; opacity: .25; }
#btnplay { width: 20px; height: 20px; background: #eee; clip-path: polygon(0 0, 0% 100%, 100% 50%); }
#btnpause { width: 2px; height: 20px; border-style: solid; border-width: 0px 4px; border-color: transparent #eee; display: none; }
#prog { --yy: 20px; width: 300px; height: 16px; border-radius: 10px; background: linear-gradient(90deg, black, blue 100%, transparent 0); border: 1px solid gray; font: normal 14px / 16px sans-serif; color: olive; opacity: .75; }
#lrc { position: absolute; top: 15px; font: bold 2em sans-serif; color: transparent; background: linear-gradient(-90deg, tomato, snow) 100% 100% / 200% 200%; background-clip: text; -webkit-background-clip: text; }
#birds {position: absolute;left: 0;top: 0;width: 200px;offset-distance: 0;offset-path: path("M1100 50 H200 L-100 -50");animation: move 12s linear infinite;}
@keyframes bgMove1 { from { background-position: 0 0; } to { background-position: -100% 0; } }
@keyframes bgMove2 { from { background-position: 0 0; } to { background-position: -100% 0; } }
@keyframes move { to { offset-distance: 100%;} }
</style>
<div id="papa">
<img id="birds" src="https://638183.freep.cn/638183/qd/rini.png" alt="" />
<div id="lrc">花潮lrc在线</div>
<div id="mplayer">
<div id="btnwrap"><span id="btnplay"></span><span id="btnpause"></span></div>
<div id="prog">00:00 | 00:00</div>
</div>
</div>
<script>
let lrcAr = [
[0.00, 'IRNI - Lay you down', 32],
[32.39, 'baby, come thru tonight', 3.5],
[36.64, 'lay you down', 1],
[38.10, 'let me slide in you', 5.5],
[47.93, 'cus lately, i can\'t deny', 4],
[52.73, 'think about you all the time yh (all the time uh)', 8],
[65.15, 'long day bet you could use some company', 6],
[73.09, 'lets play i come to you or you can come to me', 6],
[79.92, 'no i dont mind but i will try midnight', 7],
[87.13, 'i can come whatever time (whatever time)', 5],
[96.24, 'baby come thru tonight', 4],
[100.57, 'lay you down', 1],
[102.00, 'let me slide in you', 5],
[111.92, 'cus lately, i can\'t deny', 4],
[116.63, 'think about you all the time yh (all the time uh)', 8],
[128.55, 'i wanna run my hands through your hair', 3],
[132.20, 'get it down no i don\'t play fair', 4],
[137.95, 'just let me take care of you', 2],
[142.99, 'or if you want we can just talk', 5],
[148.82, 'there\'s so much we could share about love (ohhhhh)', 5.5],
[157.10, 'so much we could share about', 2.5],
[160.24, 'baby, come thru tonight', 4],
[164.64, 'lay you down', 1],
[166.39, 'let me slide in you', 6.5],
[176.00, 'cus lately, i can\'t deny', 4],
[180.41, 'think about you all the time (all the time uh)', 8],
[225.26, 'baby, come thru tonight', 3],
[228.86, 'lay you down', 1],
[230.61, 'let me slide in you', 5],
[240.25, 'cus lately, i can\'t deny', 4],
[244.79, 'think about you all the time (all the time uh)', 8],
];
let mKey = 0, mSeek = false, mFlag = true;
let aud = new Audio();
aud.src = 'https://music.163.com/song/media/outer/url?id=1376901250.mp3';
aud.autoplay = true;
aud.loop = true;
btnwrap.onclick = () => aud.paused ? aud.play() : aud.pause();
prog.onclick = (e) => aud.currentTime = aud.duration * e.offsetX / prog.offsetWidth;
aud.addEventListener('pause', () => mState());
aud.addEventListener('play', () => mState());
aud.addEventListener('seeked', () => calcKey());
aud.addEventListener('timeupdate', () => {
prog.style.background= 'linear-gradient(90deg, black, blue ' + aud.currentTime / aud.duration * 100 + '%, snow 0)';
prog.innerText = toMin(aud.currentTime) + ' | ' + toMin(aud.duration);
for(j=0; j<lrcAr.length; j++) {
if(aud.currentTime >= lrcAr[j][0]) {
if(mKey === j) showLrc(lrcAr[j][2]);
else continue;
}
}
});
let mState = () => aud.paused ? (btnplay.style.display = 'block', btnpause.style.display = 'none', lrc.style.animationPlayState = 'paused') : (btnplay.style.display = 'none', btnpause.style.display = 'block', lrc.style.animationPlayState = 'running');
let showLrc = (time) => {
lrc.style.animation = (mFlag ? 'bgMove1 ' : 'bgMove2 ') + time + 's linear forwards';
lrc.innerHTML = lrcAr[mKey][1];
mKey += 1;
mFlag = !mFlag;
}
let calcKey = () => {
for(j = 0; j < lrcAr.length; j ++) {
if(aud.currentTime <= lrcAr[j][0]) {
mKey = j - 1;
break;
}
}
if(mKey <0) mKey = 0;
let mtime = lrcAr[mKey][2] - (aud.currentTime - lrcAr[mKey][0]);
showLrc(mtime);
}
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;
}
</script>

复制代码

马黑黑 · 发表于 2022-9-18 07:23

本帖测试拼音语言的“逐字”同步效果。测试过程中体会到，还是方块字更好伺候。

拼音文字的排版也没有方块字的方便。方块字不占用太多的空间，而且总是可以做到左右、上下规则排版，即使音标点符号问题，左右两端对齐也显得自然；拼音文字没这个便利，两端对齐后中间会很稀疏，美感严重受到破坏。

可见汉字的伟大不是吹的。

马黑黑 · 发表于 2022-9-18 07:29

鸟群飞行路径：offset-path: path("M1100 50 H200 L-100 -50"); 。非常简单：M1100 50，表示移动到（1100,50）处，这是路径的原点即运动对象的出发点，接着 H200，表示从原点水平移动到 200 处，最后，从 200 这个地方 L-100 -50，意思是以直线移动到（-100,-50）处。

路径理论上不在乎运动对象的初始位置，可以不理睬left、top的具体设计但要设置，作为前提，运动对象的 position 应设置为 absolute。