纵横万水千山

亚伦影音工作室 发表于 2023-4-15 12:58

本帖最后由亚伦影音工作室于 2023-4-15 16:58 编辑 <br /><br /><style>
#papa { margin: 20px -300px; width: 1164px; height: 620px; background: gray url('https://img-baofun.zhhainiao.com/pcwallpaper_ugc/scene/2ed3eb8833acae65617b34240b352933_preview.jpg') center/cover no-repeat; box-shadow:0 0px 0px 2px #800000; position: relative; z-index: 1; --state: running; overflow:hidden;}
#lrc { --motion: cover2; --tt: 1s; position: absolute; left: 50%;top:82%; transform: translate(-50%, 10px);font:normal 3em 华文隶书; color:#000090; white-space: pre; -webkit-background-clip: text; filter: drop-shadow( 0px 0px 2px #FFF000)drop-shadow( 0px 0px 2px #FFF000)drop-shadow( 0px 0px 2px #FFF000); z-index: 2; }
#lrc::before { position: absolute; content: attr(data-lrc); width: 20%; height: 100%; color: transparent; overflow: hidden; white-space: pre; background: linear-gradient(180deg, #E00000, #E00000); filter: drop-shadow( 0px 0px 4px #FFFFFF)drop-shadow( 0px 0px 4px #FFFFFF)drop-shadow( 0px 0px 4px #FFFFFF)drop-shadow( 0px 0px 4px #FFFFFF); -webkit-background-clip: text; animation: var(--motion) var(--tt) linear forwards; animation-play-state: var(--state); }
#mplayer { position: absolute; width: 100px; height: 100px;left: 72%; z-index: 20;top:66%;overflow:hidden;}

#an{position: absolute;
   top:0%; left:0%;
   width: 100%;
   height:100%;
}
@keyframes cover1 { from { width: 0; } to { width: 100%; } }
@keyframes cover2 { from { width: 0; } to { width: 100%; } }
</style>

<div id="papa">
<div id="mydiv"></div>
<div id="lrc" data-lrc="HCPlayer">HCPlayer</div><div id="mplayer">
<img id="an"src="https://pic.imgdb.cn/item/643892220d2dde5777382bcb.gif" width="100%" height="100%"></div>
</div>
<audio id="aud" src="https://p4.t57.cn:8399/2016/jy/ok1/ICG.m4a" autoplay loop></audio>

<script>
(function() {
let mKey = 0, mFlag = true;
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;};
let averAdd = 0, offset = 0;
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));}
let geci = `万水千山纵横
。。。。。。。。。。。。。。。
`;
let lrcAr = getLrcAr(geci);
let showLrc = (time) => {let name = mFlag ? 'cover1' : 'cover2';lrc.innerHTML = lrcAr;lrc.dataset.lrc = lrcAr.replace(/<br>/, '\n');lrc.style.setProperty('--motion', name);lrc.style.setProperty('--tt', time + 's');papa.style.setProperty('--state', 'running');mKey += 1;mFlag = !mFlag;};
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 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;}
let mState = () => papa.style.setProperty('--state', aud.paused ? 'paused' : 'running');
aud.addEventListener('pause', () => mState());
aud.addEventListener('play', () => mState());
aud.addEventListener('seeked', () => calcKey());
aud.addEventListener('timeupdate', () => {for (j = 0; j < lrcAr.length; j++) {if (aud.currentTime >= lrcAr) {if (mKey === j) showLrc(lrcAr);else continue;}}});
mplayer.addEventListener('click', () => aud.paused ? aud.play() : aud.pause());
})();
</script>

<script>
if ('getContext' in document.createElement('canvas')) {
HTMLImageElement.prototype.play = function() {
   if (this.storeCanvas) {
         // 移除存储的canvas
         this.storeCanvas.parentElement.removeChild(this.storeCanvas);
         this.storeCanvas = null;
         // 透明度还原
         image.style.opacity = '';
   }
   if (this.storeUrl) {
         this.src = this.storeUrl;
   }
};
HTMLImageElement.prototype.stop = function() {
   var canvas = document.createElement('canvas');
   // 尺寸
   var width = this.width, height = this.height;
   if (width && height) {
         // 存储之前的地址
         if (!this.storeUrl) {
            this.storeUrl = this.src;
         }
         // canvas大小
         canvas.width = width;
         canvas.height = height;
         // 绘制图片帧（第一帧）
         canvas.getContext('2d').drawImage(this, 0, 0, width, height);
         // 重置当前图片
         try {
            this.src = canvas.toDataURL("image/gif");
         } catch(e) {
            // 跨域
            this.removeAttribute('src');
            // 载入canvas元素
            canvas.style.position = 'absolute';
            // 前面插入图片
            this.parentElement.insertBefore(canvas, this);
            // 隐藏原图
            this.style.opacity = '0';
            // 存储canvas
            this.storeCanvas = canvas;
         }
   }
};
}

var image = document.getElementById("an"),
button = document.getElementById("mplayer");
if (image && button) {
button.onclick = function() {
   if (this.value == '') {
      image.play();
         this.value = '.';
   } else {
         image.stop();
         this.value = '';
   }
};
}
</script>
<style>
#mydiv {
   margin: 0px auto;
   width: 1164px;
   height: 620px;

   overflow: hidden;
   cursor: pointer;
   position: relative;
   --state: paused;
}
.dot {
   position: absolute;
   left: 50%;
   bottom: -10px;
   width: 4px;
   height: 4px;
   border-radius: 50%;
   background: snow;
}
@keyframes ani { to { transform: rotate(var(--deg)) translateY(-640px); }}
</style>
<script>
Array.from({length: 400}).forEach( (item,key) => {
   let sp = document.createElement('span');
   let ww = Math.random() * 5 + 2;
   sp.className = 'dot';
   sp.style.cssText += `
            --deg: ${-50 + Math.random() * 100}deg;
            width: ${ww}px;
            height: ${ww}px;
            background: #${Math.random().toString(16).substr(-6)};
            animation: ani 10s ${Math.random() * key - 4}s infinite alternate var(--state);
   `;
   mydiv.appendChild(sp);
});
let mState = () => mydiv.style.setProperty('--state', aud.paused ? 'paused' : 'running');
aud.addEventListener('play', mState, false);
aud.addEventListener('pause', mState, false);
</script>

樵歌发表于 2023-4-15 15:34

那船上是只灵猫吧，对音乐节奏把握得真好，太好玩了{:4_178:}{:4_173:}

梦缘发表于 2023-4-15 15:46

很精彩，感谢分享，欣赏点赞！{:4_187:}

老谟深虑 发表于 2023-4-15 16:03

欣赏老师的佳作，大赞！

红影发表于 2023-4-15 19:35

这个粒子效果也漂亮，画面很大气，小动图的播放器按钮也很有趣。欣赏亚伦老师好帖{:4_187:}

红影发表于 2023-4-15 19:36

这个没歌词的么？看到省略号，还以为歌词还没到，后来觉得不对{:4_173:}

红影发表于 2023-4-15 19:39

图片里的十月十五等时间是什么？有什么特定含义的么？{:4_204:}

亚伦影音工作室 发表于 2023-4-15 19:56

红影发表于 2023-4-15 19:39
图片里的十月十五等时间是什么？有什么特定含义的么？

只是图片上自带的，没意思！

红影发表于 2023-4-16 10:52

亚伦影音工作室发表于 2023-4-15 19:56
只是图片上自带的，没意思！

哦哦，还想了半天，以为是谁的什么纪念日呢{:4_173:}

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