魔改
修改 themes/butterfly/layout/includes/header/index.pug 大概第 33 行左右
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| if top_img !== false
if is_post()
include ./post-info.pug
+ section.main-hero-waves-area.waves-area
+ svg.waves-svg(xmlns='http://www.w3.org/2000/svg', xlink='http://www.w3.org/1999/xlink', viewBox='0 24 150 28', preserveAspectRatio='none', shape-rendering='auto')
+ defs
+ path#gentle-wave(d='M -160 44 c 30 0 58 -18 88 -18 s 58 18 88 18 s 58 -18 88 -18 s 58 18 88 18 v 44 h -352 Z')
+ g.parallax
+ use(href='#gentle-wave', x='48', y='0')
+ use(href='#gentle-wave', x='48', y='3')
+ use(href='#gentle-wave', x='48', y='5')
+ use(href='#gentle-wave', x='48', y='7')
#post-top-cover
img#post-top-bg(class='nolazyload' src=bg_img)
else if is_home()
#site-info
h1#site-title=site_title
if theme.subtitle.enable
|
为了方便复制，提供一份需要修改的部分:
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| section.main-hero-waves-area.waves-area
svg.waves-svg(xmlns='http://www.w3.org/2000/svg', xlink='http://www.w3.org/1999/xlink', viewBox='0 24 150 28', preserveAspectRatio='none', shape-rendering='auto')
defs
path
g.parallax
use(href='#gentle-wave', x='48', y='0')
use(href='#gentle-wave', x='48', y='3')
use(href='#gentle-wave', x='48', y='5')
use(href='#gentle-wave', x='48', y='7')
|
然后在_config.butterfly.yml的 [inject.head] 或者自定义 css 中 引入以下 css, 不会的同学参考Hexo 博客添加自定义 css 和 js 文件
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|
.main-hero-waves-area {
width: 100%;
position: absolute;
left: 0;
bottom: -11px;
z-index: 5;
}
.waves-area .waves-svg {
width: 100%;
height: 5rem;
}
.parallax > use {
animation: move-forever 25s cubic-bezier(0.55, 0.5, 0.45, 0.5) infinite;
}
.parallax > use:nth-child(1) {
animation-delay: -2s;
animation-duration: 7s;
fill: #f7f9febd;
}
.parallax > use:nth-child(2) {
animation-delay: -3s;
animation-duration: 10s;
fill: #f7f9fe82;
}
.parallax > use:nth-child(3) {
animation-delay: -4s;
animation-duration: 13s;
fill: #f7f9fe36;
}
.parallax > use:nth-child(4) {
animation-delay: -5s;
animation-duration: 20s;
fill: #f7f9fe;
}
[data-theme="dark"] .parallax > use:nth-child(1) {
animation-delay: -2s;
animation-duration: 7s;
fill: #18171dc8;
}
[data-theme="dark"] .parallax > use:nth-child(2) {
animation-delay: -3s;
animation-duration: 10s;
fill: #18171d80;
}
[data-theme="dark"] .parallax > use:nth-child(3) {
animation-delay: -4s;
animation-duration: 13s;
fill: #18171d3e;
}
[data-theme="dark"] .parallax > use:nth-child(4) {
animation-delay: -5s;
animation-duration: 20s;
fill: #18171d;
}
@keyframes move-forever {
0% {
transform: translate3d(-90px, 0, 0);
}
100% {
transform: translate3d(85px, 0, 0);
}
}
@media (max-width: 768px) {
.waves-area .waves-svg {
height: 40px;
min-height: 40px;
}
}
|
总结
大功告成，需要注意的是 css 中fill属性可以控制波浪颜色，最好使其中一个颜色与背景颜色一致，否则会显的有点奇怪。
