学习CSS3，模拟春雪漫天飘的动画效果-前端-CSS教程

学习CSS3，模拟春雪漫天飘的动画效果

清明时节雨纷纷，但有些地方却下起了大雪，今天我们就用所学的CSS3知识，模拟一下夜晚漫天飘雪的场景吧。

1. 实现思路

2. 部分HTML代码

3. 夜空的背景

4. 雪花的样式

5. 粒子飞升效果

6. HTML完整源代码

7. CSS3完整源代码

8. 最后

1. 实现思路

DIV布局的使用

整体背景radial-gradient属性的使用

夜空rotate属性的使用

雪花radial-gradient属性的使用

雪花移动动画animation属性的使用

雪花移动过程中translate3d属性的使用

2. 部分HTML代码

因为雪花的元素是相同的，只是移动的起点，移动过程，移动的终点不同，所以HTML元素大致相同，这里我们就不把所有的元素都粘贴过来了，稍后会粘贴出所有源代码，你可以拿到源代码放到自己的网页里，即可看到漫天飘雪的场景啦。

<div class="container">
  <div class="circle-container">
    <div class="circle"></div>
  </div>
  <div class="circle-container">
    <div class="circle"></div>
  </div>
  <div class="circle-container">
    <div class="circle"></div>
  </div>
  ......
  <!-- 此处重复此处越多，效果越好 -->
</div>

3. 夜空的背景

夜空为了绚烂一些，肯定不是能是纯黑色，需要做一定的过渡效果，雪花飘落才会更完美，这里用到了background-image: radial-gradient 等CSS属性

body {
  background-image: radial-gradient(#021027, #000000);
}

.container {
  width: 100%;
  height: 100%;
  overflow: hidden;
  transform: rotate(180deg);
}

4. 雪花的样式

雪花虽然HTML元素相同，但表现形式却不同。他有自己的大小，明暗，移动轨迹，等等，越随机，才能越表现的真实而完美

.circle-container .circle {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  mix-blend-mode: screen;
  background-image: radial-gradient(#99ffff, #99ffff 10%, rgba(153, 255, 255, 0) 56%);
  -webkit-animation: fadein-frames 200ms infinite, scale-frames 2s infinite;
          animation: fadein-frames 200ms infinite, scale-frames 2s infinite;
}

@-webkit-keyframes scale-frames {
  0% {
    -webkit-transform: scale3d(0.4, 0.4, 1);
            transform: scale3d(0.4, 0.4, 1);
  }
  50% {
    -webkit-transform: scale3d(2.2, 2.2, 1);
            transform: scale3d(2.2, 2.2, 1);
  }
  100% {
    -webkit-transform: scale3d(0.4, 0.4, 1);
            transform: scale3d(0.4, 0.4, 1);
  }
}

5. 粒子飞升效果

可能在第3步，大家看到了 transform: rotate(180deg); 的代码设置，这是做了另外的考虑。满天飞雪的场景，其实如果旋转屏幕，可以做为那种地面上有某种粒子，逐渐向上飞升的效果，也是非常棒的。喜欢的小伙伴可以试一下。

6. HTML完整源代码

下面把完整源代码放出来，需要的小伙伴可以直接COPY过去，放到自己网页上就可以看到满天飞雪的效果啦

<!DOCTYPE html>
<html lang="en"><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8">

<title>漫天飘雪</title>

<link rel="stylesheet" href="./style.css">

</head>
<body>

<div class="container">
  <div class="circle-container">
    <div class="circle"></div>
  </div>
  <div class="circle-container">
    <div class="circle"></div>
  </div>
  <div class="circle-container">
    <div class="circle"></div>
  </div>
  <div class="circle-container">
    <div class="circle"></div>
  </div>
  <div class="circle-container">
    <div class="circle"></div>
  </div>
  <div class="circle-container">
    <div class="circle"></div>
  </div>
  <div class="circle-container">
    <div class="circle"></div>
  </div>
  <div class="circle-container">
    <div class="circle"></div>
  </div>
  <div class="circle-container">
    <div class="circle"></div>
  </div>
  <div class="circle-container">
    <div class="circle"></div>
  </div>
  <div class="circle-container">
    <div class="circle"></div>
  </div>
  <div class="circle-container">
    <div class="circle"></div>
  </div>
  <div class="circle-container">
    <div class="circle"></div>
  </div>
  <div class="circle-container">
    <div class="circle"></div>
  </div>
  <div class="circle-container">
    <div class="circle"></div>
  </div>
  <div class="circle-container">
    <div class="circle"></div>
  </div>
</div>


</body></html>

7. CSS3完整源代码

html,
body {
  width: 100%;
  height: 100%;
  padding:0;margin:0;
}

body {
  background-image: radial-gradient(#021027, #000000);
}

.container {
  width: 100%;
  height: 100%;
  overflow: hidden;
  transform: rotate(180deg);
}

.circle-container {
  position: absolute;
  -webkit-transform: translateY(-10vh);
          transform: translateY(-10vh);
  -webkit-animation-iteration-count: infinite;
          animation-iteration-count: infinite;
  -webkit-animation-timing-function: linear;
          animation-timing-function: linear;
}
.circle-container .circle {
  width: 100%;
  height: 100%;
  border-radius: 50%;
  mix-blend-mode: screen;
  background-image: radial-gradient(#99ffff, #99ffff 10%, rgba(153, 255, 255, 0) 56%);
  -webkit-animation: fadein-frames 200ms infinite, scale-frames 2s infinite;
          animation: fadein-frames 200ms infinite, scale-frames 2s infinite;
}

@-webkit-keyframes scale-frames {
  0% {
    -webkit-transform: scale3d(0.4, 0.4, 1);
            transform: scale3d(0.4, 0.4, 1);
  }
  50% {
    -webkit-transform: scale3d(2.2, 2.2, 1);
            transform: scale3d(2.2, 2.2, 1);
  }
  100% {
    -webkit-transform: scale3d(0.4, 0.4, 1);
            transform: scale3d(0.4, 0.4, 1);
  }
}
@keyframes scale-frames {
  0% {
    -webkit-transform: scale3d(0.4, 0.4, 1);
            transform: scale3d(0.4, 0.4, 1);
  }
  50% {
    -webkit-transform: scale3d(2.2, 2.2, 1);
            transform: scale3d(2.2, 2.2, 1);
  }
  100% {
    -webkit-transform: scale3d(0.4, 0.4, 1);
            transform: scale3d(0.4, 0.4, 1);
  }
}
.circle-container:nth-child(1) {
  width: 10px;
  height: 10px;
  -webkit-animation-name: move-frames-1;
          animation-name: move-frames-1;
  -webkit-animation-duration: 8441ms;
          animation-duration: 8441ms;
  -webkit-animation-delay: 4544ms;
          animation-delay: 4544ms;
}
@-webkit-keyframes move-frames-1 {
  from {
    -webkit-transform: translate3d(50vw, 102vh, 0);
            transform: translate3d(50vw, 102vh, 0);
  }
  to {
    -webkit-transform: translate3d(2vw, -117vh, 0);
            transform: translate3d(2vw, -117vh, 0);
  }
}
@keyframes move-frames-1 {
  from {
    -webkit-transform: translate3d(50vw, 102vh, 0);
            transform: translate3d(50vw, 102vh, 0);
  }
  to {
    -webkit-transform: translate3d(2vw, -117vh, 0);
            transform: translate3d(2vw, -117vh, 0);
  }
}
.circle-container:nth-child(1) .circle {
  -webkit-animation-delay: 3734ms;
          animation-delay: 3734ms;
}
.circle-container:nth-child(2) {
  width: 10px;
  height: 10px;
  -webkit-animation-name: move-frames-2;
          animation-name: move-frames-2;
  -webkit-animation-duration: 9921ms;
          animation-duration: 9921ms;
  -webkit-animation-delay: 5982ms;
          animation-delay: 5982ms;
}
@-webkit-keyframes move-frames-2 {
  from {
    -webkit-transform: translate3d(89vw, 108vh, 0);
            transform: translate3d(89vw, 108vh, 0);
  }
  to {
    -webkit-transform: translate3d(72vw, -123vh, 0);
            transform: translate3d(72vw, -123vh, 0);
  }
}
@keyframes move-frames-2 {
  from {
    -webkit-transform: translate3d(89vw, 108vh, 0);
            transform: translate3d(89vw, 108vh, 0);
  }
  to {
    -webkit-transform: translate3d(72vw, -123vh, 0);
            transform: translate3d(72vw, -123vh, 0);
  }
}
.circle-container:nth-child(2) .circle {
  -webkit-animation-delay: 2516ms;
          animation-delay: 2516ms;
}
.circle-container:nth-child(3) {
  width: 3px;
  height: 3px;
  -webkit-animation-name: move-frames-3;
          animation-name: move-frames-3;
  -webkit-animation-duration: 10427ms;
          animation-duration: 10427ms;
  -webkit-animation-delay: 3649ms;
          animation-delay: 3649ms;
}
@-webkit-keyframes move-frames-3 {
  from {
    -webkit-transform: translate3d(85vw, 107vh, 0);
            transform: translate3d(85vw, 107vh, 0);
  }
  to {
    -webkit-transform: translate3d(30vw, -133vh, 0);
            transform: translate3d(30vw, -133vh, 0);
  }
}
@keyframes move-frames-3 {
  from {
    -webkit-transform: translate3d(85vw, 107vh, 0);
            transform: translate3d(85vw, 107vh, 0);
  }
  to {
    -webkit-transform: translate3d(30vw, -133vh, 0);
            transform: translate3d(30vw, -133vh, 0);
  }
}
.circle-container:nth-child(3) .circle {
  -webkit-animation-delay: 731ms;
          animation-delay: 731ms;
}
.circle-container:nth-child(4) {
  width: 6px;
  height: 6px;
  -webkit-animation-name: move-frames-4;
          animation-name: move-frames-4;
  -webkit-animation-duration: 10951ms;
          animation-duration: 10951ms;
  -webkit-animation-delay: 8909ms;
          animation-delay: 8909ms;
}
@-webkit-keyframes move-frames-4 {
  from {
    -webkit-transform: translate3d(50vw, 104vh, 0);
            transform: translate3d(50vw, 104vh, 0);
  }
  to {
    -webkit-transform: translate3d(74vw, -122vh, 0);
            transform: translate3d(74vw, -122vh, 0);
  }
}
@keyframes move-frames-4 {
  from {
    -webkit-transform: translate3d(50vw, 104vh, 0);
            transform: translate3d(50vw, 104vh, 0);
  }
  to {
    -webkit-transform: translate3d(74vw, -122vh, 0);
            transform: translate3d(74vw, -122vh, 0);
  }
}
.circle-container:nth-child(4) .circle {
  -webkit-animation-delay: 2526ms;
          animation-delay: 2526ms;
}
.circle-container:nth-child(5) {
  width: 5px;
  height: 5px;
  -webkit-animation-name: move-frames-5;
          animation-name: move-frames-5;
  -webkit-animation-duration: 7642ms;
          animation-duration: 7642ms;
  -webkit-animation-delay: 2502ms;
          animation-delay: 2502ms;
}
@-webkit-keyframes move-frames-5 {
  from {
    -webkit-transform: translate3d(9vw, 108vh, 0);
            transform: translate3d(9vw, 108vh, 0);
  }
  to {
    -webkit-transform: translate3d(39vw, -126vh, 0);
            transform: translate3d(39vw, -126vh, 0);
  }
}
@keyframes move-frames-5 {
  from {
    -webkit-transform: translate3d(9vw, 108vh, 0);
            transform: translate3d(9vw, 108vh, 0);
  }
  to {
    -webkit-transform: translate3d(39vw, -126vh, 0);
            transform: translate3d(39vw, -126vh, 0);
  }
}
.circle-container:nth-child(5) .circle {
  -webkit-animation-delay: 2755ms;
          animation-delay: 2755ms;
}
.circle-container:nth-child(6) {
  width: 6px;
  height: 6px;
  -webkit-animation-name: move-frames-6;
          animation-name: move-frames-6;
  -webkit-animation-duration: 8439ms;
          animation-duration: 8439ms;
  -webkit-animation-delay: 455ms;
          animation-delay: 455ms;
}
@-webkit-keyframes move-frames-6 {
  from {
    -webkit-transform: translate3d(29vw, 101vh, 0);
            transform: translate3d(29vw, 101vh, 0);
  }
  to {
    -webkit-transform: translate3d(21vw, -109vh, 0);
            transform: translate3d(21vw, -109vh, 0);
  }
}
@keyframes move-frames-6 {
  from {
    -webkit-transform: translate3d(29vw, 101vh, 0);
            transform: translate3d(29vw, 101vh, 0);
  }
  to {
    -webkit-transform: translate3d(21vw, -109vh, 0);
            transform: translate3d(21vw, -109vh, 0);
  }
}
.circle-container:nth-child(6) .circle {
  -webkit-animation-delay: 3506ms;
          animation-delay: 3506ms;
}
.circle-container:nth-child(7) {
  width: 8px;
  height: 8px;
  -webkit-animation-name: move-frames-7;
          animation-name: move-frames-7;
  -webkit-animation-duration: 7539ms;
          animation-duration: 7539ms;
  -webkit-animation-delay: 3595ms;
          animation-delay: 3595ms;
}
@-webkit-keyframes move-frames-7 {
  from {
    -webkit-transform: translate3d(11vw, 101vh, 0);
            transform: translate3d(11vw, 101vh, 0);
  }
  to {
    -webkit-transform: translate3d(31vw, -125vh, 0);
            transform: translate3d(31vw, -125vh, 0);
  }
}
@keyframes move-frames-7 {
  from {
    -webkit-transform: translate3d(11vw, 101vh, 0);
            transform: translate3d(11vw, 101vh, 0);
  }
  to {
    -webkit-transform: translate3d(31vw, -125vh, 0);
            transform: translate3d(31vw, -125vh, 0);
  }
}
.circle-container:nth-child(7) .circle {
  -webkit-animation-delay: 749ms;
          animation-delay: 749ms;
}
.circle-container:nth-child(8) {
  width: 4px;
  height: 4px;
  -webkit-animation-name: move-frames-8;
          animation-name: move-frames-8;
  -webkit-animation-duration: 7480ms;
          animation-duration: 7480ms;
  -webkit-animation-delay: 2680ms;
          animation-delay: 2680ms;
}
@-webkit-keyframes move-frames-8 {
  from {
    -webkit-transform: translate3d(15vw, 101vh, 0);
            transform: translate3d(15vw, 101vh, 0);
  }
  to {
    -webkit-transform: translate3d(88vw, -111vh, 0);
            transform: translate3d(88vw, -111vh, 0);
  }
}
@keyframes move-frames-8 {
  from {
    -webkit-transform: translate3d(15vw, 101vh, 0);
            transform: translate3d(15vw, 101vh, 0);
  }
  to {
    -webkit-transform: translate3d(88vw, -111vh, 0);
            transform: translate3d(88vw, -111vh, 0);
  }
}
.circle-container:nth-child(8) .circle {
  -webkit-animation-delay: 1888ms;
          animation-delay: 1888ms;
}
.circle-container:nth-child(9) {
  width: 2px;
  height: 2px;
  -webkit-animation-name: move-frames-9;
          animation-name: move-frames-9;
  -webkit-animation-duration: 9087ms;
          animation-duration: 9087ms;
  -webkit-animation-delay: 9461ms;
          animation-delay: 9461ms;
}
@-webkit-keyframes move-frames-9 {
  from {
    -webkit-transform: translate3d(100vw, 107vh, 0);
            transform: translate3d(100vw, 107vh, 0);
  }
  to {
    -webkit-transform: translate3d(40vw, -130vh, 0);
            transform: translate3d(40vw, -130vh, 0);
  }
}
@keyframes move-frames-9 {
  from {
    -webkit-transform: translate3d(100vw, 107vh, 0);
            transform: translate3d(100vw, 107vh, 0);
  }
  to {
    -webkit-transform: translate3d(40vw, -130vh, 0);
            transform: translate3d(40vw, -130vh, 0);
  }
}
.circle-container:nth-child(9) .circle {
  -webkit-animation-delay: 1721ms;
          animation-delay: 1721ms;
}
.circle-container:nth-child(10) {
  width: 8px;
  height: 8px;
  -webkit-animation-name: move-frames-10;
          animation-name: move-frames-10;
  -webkit-animation-duration: 9860ms;
          animation-duration: 9860ms;
  -webkit-animation-delay: 8969ms;
          animation-delay: 8969ms;
}
@-webkit-keyframes move-frames-10 {
  from {
    -webkit-transform: translate3d(74vw, 110vh, 0);
            transform: translate3d(74vw, 110vh, 0);
  }
  to {
    -webkit-transform: translate3d(30vw, -127vh, 0);
            transform: translate3d(30vw, -127vh, 0);
  }
}
@keyframes move-frames-10 {
  from {
    -webkit-transform: translate3d(74vw, 110vh, 0);
            transform: translate3d(74vw, 110vh, 0);
  }
  to {
    -webkit-transform: translate3d(30vw, -127vh, 0);
            transform: translate3d(30vw, -127vh, 0);
  }
}
.circle-container:nth-child(10) .circle {
  -webkit-animation-delay: 1801ms;
          animation-delay: 1801ms;
}
.circle-container:nth-child(11) {
  width: 1px;
  height: 1px;
  -webkit-animation-name: move-frames-11;
          animation-name: move-frames-11;
  -webkit-animation-duration: 9292ms;
          animation-duration: 9292ms;
  -webkit-animation-delay: 9812ms;
          animation-delay: 9812ms;
}

8. 最后

最后呢，祝大家2023年心想事成

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css3 动画前端

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CSS教程_站长资源网 » 学习CSS3，模拟春雪漫天飘的动画效果

努力！奋斗已认证

分享到：

1. 实现思路

2. 部分HTML代码

3. 夜空的背景

4. 雪花的样式

5. 粒子飞升效果

6. HTML完整源代码

7. CSS3完整源代码

8. 最后

努力！奋斗已认证

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