CSS3超酷页面切换过渡动画特效

PetitQ 其他代码 2019-1-20 2.73K 0 1

这是一款 4 种效果非常炫酷的纯 CSS3 页面切换过渡动画特效。该 CSS3 页面过渡动画使用 CSS keyframes 制作而成，所有的动画效果和延时都是使用 CSS 属性，没有任何的 javascript timeout()代码。所有的 4 个页面切换效果都使用相同的 js 文件（用于点击事件和页面关闭事件）和 CSS 文件。每个 demo 的 class 名称略有区别。所有的 demo 都在 Chrome、Safari、Firefox、Opera、IE11 和 IE10 浏览器上做了测试（还有 iOS 也做了测试）。下面文章中的代码没有添加浏览器厂商的前缀，实际代码中需要添加-webkit-和-moz-前缀， Opera 和 IE10+浏览器不需要添加厂商的前缀。关于浏览器厂商的前缀你可以阅读 W3C 关于 vendor prefixes 的资料。关于基本的 CSS3 Animation ，CSS3 的 keyframes 属性可以让我们非常方便的在某个时间内控制某个元素的 CSS 样式。你可以控制动画的开始时间为 0%，结束时间为 100%。关键字 from 和 to 等效于 0%和 100%。由于兼容性的原因，请确保动画的起始和结束时间值总是 0%和 100%。

keyframes

```
/* Percentage */
```
```
@keyframes moveTop {
```
```
    0%      { top: 0px; }
```
```
    100%    { top: 100px; }
```
```
}
```
```
 
```
```
/* From -> To */
```
```
@keyframes moveTop {
```
```
    from    { top: 0px; }
```
```
    to      { top: 100px; }
```
```
}
```

也想出现在这里？联系我们吧

在声明了上面的语句之后，你可以通过 animation 属性为任何元素添加 moveTop 动画规则。关于 CSS3 animations 可以阅读 W3C 的 CSS3 animations 相关文档。

```
<h2>animation</h2>
```
```
.animated { animation: moveTop 2s 3; }
```

上面的语句将在.animated 元素上执行 moveTop 帧动画，动画在 2 秒时间内执行 3 次。

HTML 结构

第一个 DEMO 的 HTML 结构十分简单，4 个导航按钮放置在<nav>元素中，<section>元素中的内容时要切换的页面内容，默认是隐藏的。

```

```
```
<nav class="nav clearfix"> 
```

    <button class="nav-el" id="el-topleft" data-id="ov-topleft">

        <span class="icon-heart"></span>

```
    </button>
```
```
    ... 
```
```
</nav>
```
```

```

<section class="overlay" id="ov-topleft">

```
    <div class="wrap">
```
```
        <h1>Section 1</h1>
```

        <p>Lorem ipsum dolor sit amet...</p>

```
    </div>
```

    <button class="close"><span class="mfg-cancel"></span></button>

```
</section>
```

<section class="overlay" id="ov-topright">

```
    <div class="wrap">
```
```
        <h1>Section 2</h1>
```

        <p>Lorem ipsum dolor sit amet...</p>

```
    </div>
```

    <button class="close"><span class="mfg-cancel"></span></button>

```
</section>
```

代码中为导航按钮使用了 data attribute 属性用于和它们各自的遮罩页面相关联。这些将在后面使用 js 来处理。

CSS 样式

下面是导航按钮的一些基本样式。这些按钮分别是一个大的矩形，中间放置一个图标。它们被设计为响应式的布局方式。并且为每一个按钮制定.active、.active_reverse 和.inactive 状态下的样式。

```
.nav {
```
```
    width: 80%;
```
```
    max-width: 420px;
```
```
    margin: 90px auto 90px;
```
```
    font-size: 33px;
```
```
}
```
```
/* Nav elements */
```
```
.nav-el {
```
```
    position:relative;
```
```
    display: inline-block;
```
```
    float: right;
```
```
    width: 47.5%;
```
```
    padding-bottom: 47.5%;
```
```
    color: white;
```
```
    background-color: #16a085;
```

    transition: background-color .3s ease-in;

```
    z-index: 10;
```
```
}
```
```
 
```
```
.nav-el:hover, .nav-el.active {
```
```
    background-color: #107360;
```
```
}
```
```
 
```
```
.nav-el.active_reverse {
```
```
    background-color: transparent;
```
```
}
```
```
 
```
```
/* Active button always on top */
```

.nav-el.active, .nav-el.active_reverse {

```
    z-index: 11;
```
```
}
```
```
 
```

/* Prevent click/hover on inactive buttons */

```
.nav-el.inactive {
```
```
    pointer-events: none;
```
```
    cursor: default;
```
```
}
```
```
 
```
```
/* Specific floating and margin */
```

.nav-el:nth-of-type(2n+1) { float: left; }

.nav-el:nth-of-type(n+3) { margin-top: 5%; }

```
 
```

/* Icons are horizontally/vertically centered */

```
[class^="icon-"], [class*=" icon-"] {
```
```
    position: absolute;
```
```
    display: inline-block;
```
```
    top: 50%;
```
```
    left: 50%;
```
```
    line-height: 0;
```
```
    width: 1em;
```

所有的遮罩层都是固定定位，默认情况下是隐藏的。

```
/* Overlay */
```
```
.overlay {
```
```
    position: fixed;
```
```
    top: 0;
```
```
    left: 0;
```
```
    width: 100%;
```
```
    height: 100%;
```
```
    overflow: auto;
```
```
    z-index: 9999;
```
```
    visibility: hidden;
```
```
}
```
```
 
```
```
.close {
```
```
    position: absolute;
```
```
    top: 50px;
```
```
    right: 50px;
```
```
    font-size: 36px;
```
```
}
```

还有一个额外的在元素隐藏遮罩层的 class noscroll，稍后会用到它：

```
.noscroll {
```
```
    overflow: hidden;
```
```
    height: 100%;
```
```
    width: 100%;
```
```
}
```

CSS3 Animations 动画

激活状态

这个状态时整个页面过渡动画的核心，它在 1.6 秒时间内将页面中所有的动画元素进行一次动画：

当每一个按钮被点击之后的动画

当另一个按钮被点击之后其它按钮的动画

按钮点击之后的遮罩层效果
当使用 CSS animation 或 transition 来移动一个元素的时候，都会使用到 translate3d 属性。这种方式会大大增加用户体验度，但是对浏览器的性能要求会有所提高。

```
@keyframes fx-el_topleft-active {
```
```
    0%   {}
```

    16%  { transform: translate3d(-27.5%, -27.5%, 0); }

    50%  { transform: translate3d(55.1%, 55.1%, 0) scale(1); color: #FFF;}

```
    62%  { color: transparent;  }
```

    100% { transform: translate3d(55.1%, 55.1%, 0) scale(20); color: transparent; }

```
}
```
```
@keyframes fx-el_topright-active {
```
```
    0%   {}
```

    16%  { transform: translate3d(27.5%, -27.5%, 0); }

    50%  { transform: translate3d(-55.1%, 55.1%, 0) scale(1); color: #FFF;}

```
    62%  { color: transparent;  }
```

    100% { transform: translate3d(-55.1%, 55.1%, 0) scale(20); color: transparent; }

```
}
```
```
@keyframes fx-el_btmleft-active {
```
```
    0%   {}
```

    16%  { transform: translate3d(-27.5%, 27.5%, 0); }

    50%  { transform: translate3d(55.1%, -55.1%, 0) scale(1); color: #FFF;}

```
    62%  { color: transparent;  }
```

    100% { transform: translate3d(55.1%, -55.1%, 0) scale(20); color: transparent;}

```
}
```
```
@keyframes fx-el_btmright-active {
```
```
    0%   {}
```

    16%  { transform: translate3d(27.5%, 27.5%, 0); }

    50%  { transform: translate3d(-55.1%, -55.1%, 0) scale(1); color: #FFF;}

```
    62%  { color: transparent;  }
```

    100% { transform: translate3d(-55.1%, -55.1%, 0) scale(20); color: transparent; }

```
}
```
```
 
```
```
#el-topleft.active {
```

    animation: fx-el_topleft-active 1.6s 1 ease-in-out;

```
}
```
```
#el-topright.active {
```

    animation: fx-el_topright-active 1.6s 1 ease-in-out;

```
}
```
```
#el-btmleft.active {
```

    animation: fx-el_btmleft-active 1.6s 1 ease-in-out;

```
}
```
```
#el-btmright.active {
```

    animation: fx-el_btmright-active 1.6s 1 ease-in-out;

```
}
```

下面是没有被点击的按钮的动画。它们以相同的方式移动，最终被隐藏（opacity: 0）。

```
@keyframes fx-el_topleft-inactive {
```

0% { transform: translate3d(0%, 0%, 0); opacity: 1; }

16% { transform: translate3d(-27.5%, -27.5%, 0);opacity: 1; }

```
40% { opacity: 0;}
```

50% { transform: translate3d(55.1%, 55.1%, 0); }

100% { transform: translate3d(55.1%, 55.1%, 0); opacity: 0; }

```
}
```
```
@keyframes fx-el_topright-inactive {
```

0% { transform: translate3d(0%, 0%, 0); opacity: 1; }

16% { transform: translate3d(27.5%, -27.5%, 0); opacity: 1; }

```
40% { opacity: 0;}
```

50% { transform: translate3d(-55.1%, 55.1%, 0); }

100% { transform: translate3d(-55.1%, 55.1%, 0); opacity: 0; }

```
}
```
```
@keyframes fx-el_btmleft-inactive {
```

0% { transform: translate3d(0%, 0%, 0); opacity: 1; }

16% { transform: translate3d(-27.5%, 27.5%, 0); opacity: 1; }

```
40% { opacity: 0;}
```

50% { transform: translate3d(55.1%, -55.1%, 0); }

100% { transform: translate3d(55.1%, -55.1%, 0); opacity: 0; }

```
}
```
```
@keyframes fx-el_btmright-inactive {
```

0% { transform: translate3d(0%, 0%, 0); opacity: 1; }

16% { transform: translate3d(27.5%, 27.5%, 0); opacity: 1; }

```
40% { opacity: 0;}
```

50% { transform: translate3d(-55.1%, -55.1%, 0); }

100% { transform: translate3d(-55.1%, -55.1%, 0); opacity: 0; }

```
}
```
```
 
```
```
#el-topleft.inactive {
```

animation: fx-el_topleft-inactive 1.6s 1 ease-in-out;

```
}
```
```
#el-topright.inactive {
```

animation: fx-el_topright-inactive 1.6s 1 ease-in-out;

```
}
```
```
#el-btmleft.inactive {
```

animation: fx-el_btmleft-inactive 1.6s 1 ease-in-out;

```
}
```
```
#el-btmright.inactive {
```

animation: fx-el_btmright-inactive 1.6s 1 ease-in-out;

```
}
```

接下来是遮罩层的动画效果，代码非常容易理解。

```
@keyframes fx-overlay {
```

    0%   { visibility: visible; color: transparent; }

    50%  { background-color: #107360; color: white; }

    100% { visibility: visible; background-color: #107360; color: #FFF; }

```
}
```
```
 
```
```
.overlay.active {
```

    animation: fx-overlay .8s 1.25s 1 ease-in-out forwards;

```
}
```

遮罩层的动画延时时间为 1.25 秒，这将使遮罩层的内容在按钮动画结束之后才显示出来。forwards 属性时指定动画结束的时间值，在这里表示保存遮罩层一直可见。

Active_reverse

当用户点击遮罩层上的关闭按钮时，会使用该状态来反向执行动画：遮罩层消失，按钮回到原来的位置上。

@keyframes fx-el_topleft-active_reverse {

    0%   { transform: translate3d(55.1%, 55.1%, 0) scale(20);

            color: transparent; background-color: #107360; }

```
    38%  { color: transparent;}
```

    50%  { transform: translate3d(55.1%, 55.1%, 0) scale(1); color: #FFF; background-color: #107360; }

    82%  { transform: translate3d(-27.5%, -27.5%, 0); background-color: #16a085;}

    100% { transform: translate3d(0%, 0%, 0); }

```
}
```

@keyframes fx-el_topright-active_reverse {

    0%   { transform: translate3d(-55.1%, 55.1%, 0) scale(20);

            color: transparent; background-color: #107360; }

```
    38%  { color: transparent; }
```

    50%  { transform: translate3d(-55.1%, 55.1%, 0) scale(1); color: #FFF; background-color: #107360;}

    82%  { transform: translate3d(27.5%, -27.5%, 0); background-color: #16a085;}

    100% { transform: translate3d(0%, 0%, 0); }

```
}
```

@keyframes fx-el_btmleft-active_reverse {

    0%   { transform: translate3d(55.1%, -55.1%, 0) scale(20);

            color: transparent; background-color: #107360; }

```
    38%  { color: transparent; }
```

    50%  { transform: translate3d(55.1%, -55.1%, 0) scale(1); color: #FFF; background-color: #107360;}

    82%  { transform: translate3d(-27.5%, 27.5%, 0); background-color: #16a085;}

    100% { transform: translate3d(0%, 0%, 0); }

```
}
```

@keyframes fx-el_btmright-active_reverse {

    0%   { transform: translate3d(-55.1%, -55.1%, 0) scale(20);

            color: transparent; background-color: #107360; }

```
    38%  { color: transparent; }
```

    50%  { transform: translate3d(-55.1%, -55.1%, 0) scale(1); color: #FFF; background-color: #107360;}

    82%  { transform: translate3d(27.5%, 27.5%, 0); background-color: #16a085;}

    100% { transform: translate3d(0%, 0%, 0); }

```
}
```
```
 
```
```
#el-topleft.active_reverse {
```

    animation: fx-el_topleft-active_reverse 1.6s 1 ease-in-out;

```
}
```
```
#el-topright.active_reverse {
```

    animation: fx-el_topright-active_reverse 1.6s 1 ease-in-out;

```
}
```
```
#el-btmleft.active_reverse {
```

    animation: fx-el_btmleft-active_reverse 1.6s 1 ease-in-out;

```
}
```
```
#el-btmright.active_reverse {
```

    animation: fx-el_btmright-active_reverse 1.6s 1 ease-in-out;

```
}
```

未被点击的按钮的反向动画代码如下：

@keyframes fx-el_topleft-inactive_reverse {

    0%   { transform: translate3d(55.1%, 55.1%, 0);  opacity: 0; }

    50%  { transform: translate3d(55.1%, 55.1%, 0); }

    82%  { transform: translate3d(-27.5%, -27.5%, 0); }

```
    45%  { opacity: 0; }
```

    100% { transform: translate3d(0%, 0%, 0); opacity: 1; }

```
}
```

@keyframes fx-el_topright-inactive_reverse {

    0%   { transform: translate3d(-55.1%, 55.1%, 0);  opacity: 0; }

    50%  { transform: translate3d(-55.1%, 55.1%, 0); }

    82%  { transform: translate3d(27.5%, -27.5%, 0); }

```
    45%  { opacity: 0; }
```

    100% { transform: translate3d(0%, 0%, 0);opacity: 1; }

```
}
```

@keyframes fx-el_btmleft-inactive_reverse {

    0%   { transform: translate3d(55.1%, -55.1%, 0); opacity: 0; }

    50%  { transform: translate3d(55.1%, -55.1%, 0); }

    82%  { transform: translate3d(-27.5%, 27.5%, 0); }

```
    45%  { opacity: 0; }
```

    100% { transform: translate3d(0%, 0%, 0);opacity: 1; }

```
}
```

@keyframes fx-el_btmright-inactive_reverse {

    0%   { transform: translate3d(-55.1%, -55.1%, 0); opacity: 0; }

    50%  { transform: translate3d(-55.1%, -55.1%, 0); }

    82%  { transform: translate3d(27.5%, 27.5%, 0); }

```
    45%  { opacity: 0; }
```

    100% { transform: translate3d(0%, 0%, 0); opacity: 1; }

```
}
```
```
 
```
```
#el-topleft.inactive_reverse {
```

    animation: fx-el_topleft-inactive_reverse 1.6s 1 ease-in-out;

```
}
```
```
#el-topright.inactive_reverse {
```

    animation: fx-el_topright-inactive_reverse 1.6s 1 ease-in-out;

```
}
```
```
#el-btmleft.inactive_reverse {
```

    animation: fx-el_btmleft-inactive_reverse 1.6s 1 ease-in-out;

```
}
```
```
#el-btmright.inactive_reverse {
```

    animation: fx-el_btmright-inactive_reverse 1.6s 1 ease-in-out;

```
}
```

遮罩层的反向动画代码如下：

```
@keyframes fx-overlay-reverse {
```

    0% { visibility: visible; background-color: #107360; color: #FFF;}

    40% { background-color: #107360; color: transparent;}

    85% {background-color: transparent; }

    100% {visibility: invisible; color: transparent; background-color: transparent; }

```
}
```
```
 
```
```
.overlay.active_reverse {
```

    animation: fx-overlay-reverse .8s 1 ease-in backwards;

```
}
```

Backwards 属性的作用和 forwards 属性类似。当它应用到目标元素上时，动画会将这些值应用到第一个关键帧上。

CSS3 超酷页面切换过渡动画特效

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其他代码

CSS3超酷页面切换过渡动画特效

keyframes

HTML 结构

CSS 样式

激活状态

Active_reverse

CSS3 超酷页面切换过渡动画特效

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其他代码

keyframes

HTML 结构

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激活状态

Active_reverse

CSS3 超酷页面切换过渡动画特效

相关文章

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