《谁不是为了明天》魏佳艺 DJ

焱鑫磊 发表于 2023-6-12 20:16

本帖最后由焱鑫磊于 2023-6-28 11:27 编辑 <br /><br /><style>

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width: 1164px;

height: 640px;

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<div id="papa">

<div id='dt'><img id="testImg0" src="https://www.yiyuen.com/e/file/view/586581" width="100%" height="100%"></div>

<div id="testImg" >

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<canvas id="canv"></canvas>

<div data-lrc="焱鑫磊博客" id="lrc" title="暂停/播放">焱鑫磊博客</div>

</div>

<audio id="aud" src="https://i.mp3.wf/view.php/7b4c102f5404e61f92f146f46beddb59.mp3" autoplay loop></audio>

<video id="vid" src="https://img.tukuppt.com/video_show/2269348/00/17/44/5ec497a38f522.mp" loop autoplay muted></video>

<style type="text/css">

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--tt: 2s;

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white-space: pre;

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animation: var(--motion) var(--tt) linear forwards;

animation-play-state: var(--state);

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@keyframes cover1 { from { width: 0; } to { width: 100%; } }

@keyframes cover2 { from { width: 0; } to { width: 100%; } }

</style>

<script >

(function() {

/*原始lrc歌词*/

let lrcStr = `《谁不是为了明天》魏佳艺
谁不是为了一家老小拼搏着
谁不是为了柴米油盐低头了
谁不是为了几两碎银奋斗着
谁不是为了事业尊严都丢了
谁不是为了明天能骄傲活着
谁不是为了家人能幸福生活
谁不是为了明天能更加洒脱
谁不是为了自己更舒适地选择
我们都扮演着不同的角色
日日夜夜为生活忙碌奔波
这生活八十一难关关难过
在这个年纪我放下了许多
如今的我们也经历了很多
不敢再为梦想做一次选择
窗外繁华的大街来往的车
那是我们曾经向往的生活
谁不是为了一家老小拼搏着
谁不是为了柴米油盐低头了
谁不是为了几两碎银奋斗着
谁不是为了事业尊严都丢了
谁不是为了明天能骄傲活着
谁不是为了家人能幸福生活
谁不是为了明天能更加洒脱
谁不是为了自己更舒适地选择
如今的我们也经历了很多
不敢再为梦想做一次选择
窗外繁华的大街来往的车
那是我们曾经向往的生活
谁不是为了一家老小拼搏着
谁不是为了柴米油盐低头了
谁不是为了几两碎银奋斗着
谁不是为了事业尊严都丢了
谁不是为了明天能骄傲活着
谁不是为了家人能幸福生活
谁不是为了明天能更加洒脱
谁不是为了自己更舒适地选择
谁不是为了一家老小拼搏着
谁不是为了柴米油盐低头了
谁不是为了几两碎银奋斗着
谁不是为了事业尊严都丢了
谁不是为了明天能骄傲活着
谁不是为了家人能幸福生活
谁不是为了明天能更加洒脱
谁不是为了自己更舒适地选择
`;

/*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;

};

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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;
}
/*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*/

lrc.addEventListener('click', () => aud.paused ? aud.play() : aud.pause());

})();

</script>

<script>

let ctx = canv.getContext('2d');

let ww = canv.width =1164, hh = canv.height =620;

let loop = () => {ctx.drawImage(vid, 0, 0, ww, hh);if(!vid.paused) {requestAnimationFrame(loop);return;}}

let mState = () => aud.paused ? (papa.style.setProperty('--state', 'paused'),vid.pause()) : (papa.style.setProperty('--state', 'running'),vid.play());

vid.playbackRate = 0.5;

vid.addEventListener('play', loop, false);

aud.addEventListener('play', () => mState());

aud.addEventListener('pause', () => mState());

</script>

<script>

if ('getContext' in document.createElement('canvas')) {

HTMLImageElement.prototype.play = function() {

   if (this.storeCanvas) {

         // 移除存储的canvas

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         // 透明度还原

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HTMLImageElement.prototype.stop = function() {

   var canvas = document.createElement('canvas');

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   var width = this.width, height = this.height;

   if (width && height) {

         // 存储之前的地址

         if (!this.storeUrl) {

            this.storeUrl = this.src;

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         // 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

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};

}
var image0 = document.getElementById("testImg0"),

image = document.getElementById("testImg"),

button = document.getElementById("lrc");

if (image0&&image && button) {

button.onclick = function() {

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      image0.play(); image.classList.remove('stop');

         this.value = '.';

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         this.value = '';

   }

};

}

</script>

红影发表于 2023-6-12 21:59

又是一种类型的美女图呢，制作真漂亮。欣赏焱鑫磊好帖{:4_199:}

焱鑫磊 发表于 2023-6-12 22:07

红影发表于 2023-6-12 21:59
又是一种类型的美女图呢，制作真漂亮。欣赏焱鑫磊好帖

红影晚上好！{:4_187:}

马黑黑 发表于 2023-6-12 22:26

立体感强烈

焱鑫磊 发表于 2023-6-12 22:51

马黑黑发表于 2023-6-12 22:26
立体感强烈

学习制作！问候黑黑老师好！{:4_187:}

红影发表于 2023-6-12 23:11

焱鑫磊发表于 2023-6-12 22:07
红影晚上好！

问好焱鑫磊，晚上好{:4_179:}

马黑黑 发表于 2023-6-12 23:12

焱鑫磊发表于 2023-6-12 22:51
学习制作！问候黑黑老师好！

{:4_191:}

梦缘发表于 2023-6-13 17:40

制作真漂亮。欣赏老师好帖！{:4_187:}

焱鑫磊 发表于 2023-6-13 21:42

梦缘发表于 2023-6-13 17:40
制作真漂亮。欣赏老师好帖！

梦缘好！{:4_204:}

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《谁不是为了明天》魏佳艺 DJ