本帖最后由 马黑黑 于 2022-10-6 07:46 编辑 <br /><br /><details>
<summary>quiet</summary>
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https://www.huachaowang.com/forum.php?mod=attachment&aid=NDM0NDZ8Mzg5M2Q0NDF8MTY2NTAzMTQ5Nnw3MTMwfDU2MzQ3
<style>
#papa { left: -214px; width: 1024px; height: 640px; background: url('https://638183.freep.cn/638183/t22/webp/xiyjhx.webp') no-repeat center/cover; box-shadow: 3px 3px 20px #000; position: relative; display: grid; place-items: center; user-select: none; z-index: 1; --opt: .25;}
#papa::before { position: absolute; content: ''; width: 100%; height: 100%; background: url('https://638183.freep.cn/638183/t22/webp/124.gif') repeat; opacity: var(--opt); }
#mplayer { position: absolute; bottom: 0; z-index: 9; }
#lrc { --motion: cover1; --tt: 5s; --state: paused; position: absolute; top: 30px; font: bold 2.4em sans-serif; color: hsl(0,10%,90%); -webkit-background-clip: text; filter: drop-shadow(1px 1px 2px hsla(0,0%,0%,.95)); }
#lrc::before { position: absolute; content: attr(data-lrc); width: 20%; height: 100%; color: transparent; overflow: hidden; white-space: nowrap; background: linear-gradient(180deg,hsla(280,100%,50%,.75),hsla(180,100%,50%,.75)); filter: inherit; -webkit-background-clip: text; animation: var(--motion) var(--tt) linear forwards; animation-play-state: var(--state); }
@keyframes cover1 { from { width: 0; } to { width: 100%; } }
@keyframes cover2 { from { width: 0; } to { width: 100%; } }
</style>
<div id="papa">
<div id="lrc" data-lrc="花潮lrc在线">花潮lrc在线</div>
<svg id="mplayer" width="360" height="60" style="user-select: none;">
<rect x="50" y="25" rx="6" ry="6" width="200" height="12" stroke="hsla(280,90%,55%,.45)" fill="hsla(60,100%,92%,.35)" id="track" />
<rect x="50" y="25" rx="6" ry="6" width="0" height="12" stroke="transparnet" fill="hsla(280,90%,55%,.45)" id="prog" />
<text x="260" y="31" font-size="14" dominant-baseline="middle" stroke="none" fill="tan" id="audtime">00:00 | 00:00</text>
<circle cx="25" cy="30" r="15" fill="url(#bgcolor)" id="btnplay">
<animateTransform attributeName="transform" dur="4s" type="rotate" from="0 25 30" to="360 25 30" repeatCount="indefinite" />
</circle>
<defs>
<linearGradient x1="0%" y1="0%" x2="100%" y2="50%" id="bgcolor">
<stop offset="0%" style="stop-color: pink; stop-opacity:0.8" />
<stop offset="100%" style="stop-color: green; stop-opacity:0.75" />
</linearGradient>
</defs>
</svg>
</div>
<script>
(function() {
let mp = { len: track.getAttribute('width')*1, x: track.getAttribute('x')*1 }, aud = new Audio(), mKey = 0, mFlag = true;
let lrcAr = [,,,,,,,,,,,,,];
aud.src = 'https://music.163.com/song/media/outer/url?id=1973395208.mp3';
aud.loop = true;
aud.autoplay = true;
if(aud.paused) mplayer.pauseAnimations();
btnplay.onclick = () => aud.paused ? aud.play() : aud.pause();
prog.onclick = track.onclick = (e) => aud.currentTime = aud.duration * (e.offsetX - mp.x) / mp.len;
aud.addEventListener('seeked', () => calcKey());
aud.addEventListener('pause', () =>mState());
aud.addEventListener('play', () =>mState());
aud.addEventListener('timeupdate', () => {prog.style.setProperty('width', aud.currentTime * 200 / aud.duration + 'px');audtime.textContent = toMin(aud.currentTime) + ' | ' + toMin(aud.duration);for(j=0; j<lrcAr.length; j++) {if(aud.currentTime >= lrcAr) {cKey = j;if(mKey === j) showLrc(lrcAr);else continue;}}});
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);};
let showLrc = (time) => {let name = mFlag ? 'cover1' : 'cover2';lrc.innerHTML = lrc.dataset.lrc = lrcAr;lrc.style.setProperty('--motion', name);lrc.style.setProperty('--tt', time + 's');lrc.style.setProperty('--state', 'running');mKey += 1;mFlag = !mFlag;};
let mState = () => aud.paused ? (mplayer.pauseAnimations(),lrc.style.setProperty('--state', 'paused'),papa.style.setProperty('--opt','0')) : (mplayer.unpauseAnimations(), lrc.style.setProperty('--state', 'running'),papa.style.setProperty('--opt','.25'));
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>
164#测试 svg 线性渐变按钮
之前，纯 svg 播放控制器使用文本按钮，手机上按钮的旋转未能基于文本中心。原因：计算机上计算好的 rotate 基点，手机对svg和字体渲染问题导致中心发生不同于计算机上的变化，出现不适原处旋转，而是小范围绕圈。
svg下的文本按钮看样子存在兼容移动设备的问题，不好处理。故在164楼测试其他解决方案：用线性渐变的圆形按钮。
@小辣椒
马黑黑 发表于 2022-10-23 11:40
之前，纯 svg 播放控制器使用文本按钮，手机上按钮的旋转未能基于文本中心。原因：计算机上计算好的 rotate ...
好的，谢谢黑黑，你是精益求精{:4_187:}
小辣椒 发表于 2022-10-23 13:07
好的，谢谢黑黑，你是精益求精
啥呢？碰上问题，解决问题
马黑黑 发表于 2022-10-23 15:21
啥呢？碰上问题，解决问题
啥问题对你来说一眨眼，解决了
小辣椒 发表于 2022-10-23 18:10
啥问题对你来说一眨眼，解决了
你这一眨眼也是要一万年的{:4_173:}
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<style type="text/css">
#vWindow {
width:500px;
height:1000px;
border:thick brown ridge;
margin: 12px auto;
background-image:url('https://s3.bmp.ovh/imgs/2022/10/25/3a5f951ab29ffec3.jpg');
background-position: -1px -1px;
background-size:cover;
}
.itemy {
width:500px;
height:50px;
background-position: 0 calc(var(--index) * 5%);
background-image:url('https://s3.bmp.ovh/imgs/2022/10/25/3a5f951ab29ffec3.jpg');
background-size:500px 1000px;
transform-origin: 0%100%;
}
</style>
<div id="vWindow"></div>
<script type="text/javascript">
(function() {
let imgSet = [
"https://s3.bmp.ovh/imgs/2022/10/26/921786027c7d70d4.jpg",
"https://s3.bmp.ovh/imgs/2022/10/26/7844960c1ea5cb20.jpg",
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var Keyframes = [
[{transform: 'rotateX(90deg)', opacity: '0.3' }, {offset:0.5, transform: 'rotateX(0deg)', opacity: '1' }],
[{opacity: '0' }, {opacity: '1'}]
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var EffectTiming = { duration: 8000,fill: 'forwards'};
var imgIdx = 0, lastIdx = imgSet.length - 1;
var items = new Array(), aniObj = new Array();
var vWindow = document.getElementById('vWindow');
for (i = 0; i < 1000; i+=50) {
let itemy = document.createElement('div');
itemy.style.setProperty('--index',parseInt(i / 50));
items.push(itemy);
itemy.classList.add('itemy');
vWindow.appendChild(itemy)
}
let chg_cur_pic = () => {
for (i = 0; i < items.length; i++) {
items.style.backgroundImage = "url(" + imgSet + ")"
}
vWindow.style.backgroundImage = "url(" + imgSet + ")";
lastIdx = imgIdx;
imgIdx++;
imgIdx %= imgSet.length;
for (j = 0; j < items.length; j++) {
aniObj.play()
}
};
for (j = 0; j < items.length; j++) {
items.style.backgroundImage = "url(" + imgSet + ")";
aniObj = items.animate(Keyframes, EffectTiming);
}
aniObj.addEventListener('finish', chg_cur_pic);
})();
</script>
没啥问题
马黑黑 发表于 2022-10-29 08:43
#vWindow {
width:500px;
height:1000px;
我就是通不过，只能看到一个框{:5_102:}
马黑黑 发表于 2022-10-29 08:44
没啥问题
真怪事，谢谢。