七夕情人节表白-纯JS实现3D心形+图片旋转

七夕情人节就快到了，这里献上纯js表白神器-心里都是你，预览：

 

技术点：css-3d、js-随机色、js-transform

1.html：

    <div class="heart">
        <div class="cube">
            <div>
                <img src="images/1.jpg" width="100" height="100" alt="">
            </div>
            <div>
                <img src="images/2.jpg" width="100" height="100" alt="">
            </div>
            <div>
                <img src="images/3.jpg" width="100" height="100" alt="">
            </div>
            <div>
                <img src="images/4.jpg" width="100" height="100" alt="">
            </div>
            <div>
                <img src="images/5.jpg" width="100" height="100" alt="">
            </div>
            <div>
                <img src="images/6.jpg" width="100" height="100" alt="">
            </div>
        </div>
    </div>

2.css：

*{
    margin:0;
    padding:0;
}
body{
    background:#000;
    overflow:hidden;
}
.heart{
    position:absolute;
    left:0;
    right:0;
    top:0;
    bottom:0;
    width:200px;
    height:260px;
    margin: auto;
    transform-style:preserve-3d;
    perspective:800px;
    animation:rot 15s linear infinite;
}
@keyframes rot{
    from{transform:rotateY(0deg) rotateX(0deg)}
    to{transform:rotateY(360deg) rotateX(360deg)}
}
.rib{
    position:absolute;
    width:200px;
    height:260px;
    border:solid red;
    border-width:1px 1px 0 0;
    border-radius:100% 100% 0/40% 100% 0;
    transition: all 1s;
}
.cube{
    position:absolute;
    left:0;
    right:0;
    top:0;
    bottom:0;
    margin:auto;
    width:100px;
    height:100px;
    color:red;
    transform-style:preserve-3d;
    transform:translateZ(50px);
}
.cube div{
    position:absolute;
    width:100px;
    height:100px;
}
.cube div:nth-child(1){
    left:0;
    top:-100px;
    transform-origin:bottom;
    transform:rotateX(90deg);
}
.cube div:nth-child(2){
    left:0;
    top:100px;
    transform-origin:top;
    transform:rotateX(-90deg);
}
.cube div:nth-child(3){
    left:-100px;
    top:0px;
    transform-origin:right;
    transform:rotateY(-90deg);
}
.cube div:nth-child(4){
    left:100px;
    top:0px;
    transform-origin:left;
    transform:rotateY(90deg);
}
.cube div:nth-child(5){
    left:0;
    top:0px;
}
.cube div:nth-child(6){
    left:0;
    top:0px;
    transform:translateZ(-100px);
}

3.js：

var heart = document.getElementsByClassName("heart")[0];
for (var i = 0; i < 36; i++) {
    var oDiv = document.createElement("div");
    oDiv.className = "rib";
    // 画36条心形曲线
    oDiv.style.transform = "rotateY(" + 10 * i + "deg) rotateZ(45deg) translateX(30px)";
    var n = 0;
    setInterval(function() {
        if (n < 36) {
            document.getElementsByClassName('rib')[n].style.borderColor = getRandomColor();
            n = n + 1;
        } else {
            n = 0;
        }
    },1000)
    console.log(n)
    heart.appendChild(oDiv);
}

// 随机色
var getRandomColor = function(){    
  return  '#' +    
    (function(color){    
    return (color +=  '0123456789abcdef'[Math.floor(Math.random()*16)])    
      && (color.length == 6) ?  color : arguments.callee(color);    
  })('');    
} 

图片资源自行填充。

下图效果只是添加了一个hover改变div的transform属性，大家可以扩展制作。