粘性加载动画

下载代码

html

css

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html

css

* {
  margin: 0;
  border: none;
  font-family: Comic Sans MS, 'Open Sans', Arial, sans-serif;
}
html,
body {
  height: 100%;
}
body {
  overflow: hidden;
  background: white;
  position: relative;
}
.container,
.top-layer {
  position: absolute;
  margin: auto;
  top: 0;
  bottom: 0;
  left: 0;
  right: 0;
  width: 800px;
  height: 800px;
}
.container {
  background: white;
  filter: blur(20px) contrast(30);
}
.top-layer {
  
}
.atom {
  width: 100px;
  height: 100px;
  border-radius: 50%;
  position: absolute;
  background: black;
}
.fig {
  position: absolute;
  color: white;
  text-shadow: rgba(255, 255, 255, 1) 0px 0px 3px;
  font-size: 20px;
  transform: translateX(-50%) translateY(-50%);
}
.ui {
  position: absolute;
  background: rgba(0, 0, 0, 0.1);
  width: 100%;
  height: 100%;
  text-align: center;
}
.ui h1 {
  padding-top: 30px;
}
.ui h3 {
  color: #555;
}
.ui h5 {
  color: #BBB;
  font-size: 9px;
}
.ui.hide > * {
  display: none;
}
.controls {
  position: absolute;
  left: 0;
  right: 0;
  margin: auto;
  bottom: 50px;
}
.controls p.more,
.controls p.less {
  border: 15px solid transparent;
  width: 0px;
  margin: auto;
  cursor: pointer;
}
.controls p.more:hover {
  border-bottom-color: #555;
}
.controls p.less:hover {
  border-top-color: #555;
}
.controls p.more {
  border-bottom: 15px solid black;
}
.controls p.less {
  border-top: 15px solid black;
}
.controls p.atoms-pop {
  font-size: 40px;
  font-weight: bold;
  cursor: default;
}
.controls p.rainbao {
  background: linear-gradient(to left, red, yellow, green, turquoise, blue, purple, red);
  color: white;
  width: 150px;
  margin: auto;
  border-radius: 5px;
  border: solid 1px black;
  box-shadow: rgba(0, 0, 0, 0.5) 0px 0px 5px inset;
  text-shadow: rgba(0, 0, 0, 0.5) 0px 0px 2px;
  text-transform: uppercase;
  cursor: pointer;
  padding: 5px;
  opacity: 0.8;
  display: none;
}
.sx-link {
  position: absolute;
  right: 10px;
  bottom: 10px;
}

JavaScript

var interval, atomsPop = 4, $container, $topLayer, width, height, makeItRain = false;

jQuery(document).ready(function() {
  $container = jQuery('.container');
  $topLayer = jQuery('.top-layer');
  
  width = $container.width();
  height = $container.height();
  
  // Hide info if small viewport
  if (window.innerHeight < 600) jQuery('.ui').addClass('hide');
  
  initGooey();
  
  jQuery('.controls .more').on('click', function() {
    if (atomsPop >= 7) return false;
    atomsPop++;
    initGooey();
    jQuery('.controls .atoms-pop').html(atomsPop);
  });
  jQuery('.controls .less').on('click', function() {
    if (atomsPop <= 2) return false;
    atomsPop--;
    initGooey();
    jQuery('.controls .atoms-pop').html(atomsPop);
  });
  setTimeout(function() {
    jQuery('.controls .rainbao').css('display', 'inherit');
  }, 20000);
  jQuery('.controls .rainbao').on('click', function() {
    makeItRain = !makeItRain;
    initGooey();
  });
});

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