KFAKA 跳转

index.haml

.body
  %span
    %span
    %span
    %span
    %span
  .base
    %span
    .face
.longfazers
  %span
  %span
  %span
  %span
%h1 Loading

kfaka.markdown

KFAKA 跳转

Animated loader when redirecting a user to another page

A Pen by Yukino on CodePen.

License.

script.js

var count = 3; // 3 秒倒计时
var redirect = "https://example.com"; // 跳转的目标 URL

function countDown(){
  var timer = document.getElementById("timer");
  if (count > 0){
    count--;
  } else {
    window.location.href = redirect;
  }
}

setInterval(function(){ countDown(); }, 1000);

style.scss

@import url(https://fonts.googleapis.com/css?family=Open+Sans:300);

body {
  background-color: #f1c40f;
  overflow: hidden;
}

h1 {
  position: absolute;
  font-family: 'Open Sans';
  font-weight: 600;
  font-size: 12px;
  text-transform: uppercase;
  left: 50%;
  top: 58%;
  margin-left: -20px;
}

.body {
  position: absolute;
  top: 50%;
  margin-left: -50px;
  left: 50%;
  animation: speeder .4s linear infinite;

  > span {
    height: 5px;
    width: 35px;
    background: #000;
    position: absolute;
    top: -19px;
    left: 60px;
    border-radius: 2px 10px 1px 0;
  }
}

.base {
  span {
    position: absolute;
    width: 0;
    height: 0;
    border-top: 6px solid transparent;
    border-right: 100px solid #000;
    border-bottom: 6px solid transparent;

    &:before {
      content: "";
      height: 22px;
      width: 22px;
      border-radius: 50%;
      background: #000;
      position: absolute;
      right: -110px;
      top: -16px;
    }

    &:after {
      content: "";
      position: absolute;
      width: 0;
      height: 0;
      border-top: 0 solid transparent;
      border-right: 55px solid #000;
      border-bottom: 16px solid transparent;
      top: -16px;
      right: -98px;
    }
  }
}

.face {
  position: absolute;
  height: 12px;
  width: 20px;
  background: #000;
  border-radius: 20px 20px 0 0;
  transform: rotate(-40deg);
  right: -125px;
  top: -15px;

  &:after {
    content: "";
    height: 12px;
    width: 12px;
    background: #000;
    right: 4px;
    top: 7px;
    position: absolute;
    transform: rotate(40deg);
    transform-origin: 50% 50%;
    border-radius: 0 0 0 2px;
  }
}

.body > span > span:nth-child(1),
.body > span > span:nth-child(2),
.body > span > span:nth-child(3),
.body > span > span:nth-child(4) {
  width: 30px;
  height: 1px;
  background: #000;
  position: absolute;
  animation: fazer1 .2s linear infinite;
}

.body > span > span:nth-child(2) {
  top: 3px;
  animation: fazer2 .4s linear infinite;
}

.body > span > span:nth-child(3) {
  top: 1px;
  animation: fazer3 .4s linear infinite;
  animation-delay: -1s;
}

.body > span > span:nth-child(4) {
  top: 4px;
  animation: fazer4 1s linear infinite;
  animation-delay: -1s;
}

@keyframes fazer1 {
  0% {
    left: 0;
  }
  100% {
    left: -80px;
    opacity: 0;
  }
}

@keyframes fazer2 {
  0% {
    left: 0;
  }
  100% {
    left: -100px;
    opacity: 0;
  }
}

@keyframes fazer3 {
  0% {
    left: 0;
  }
  100% {
    left: -50px;
    opacity: 0;
  }
}

@keyframes fazer4 {
  0% {
    left: 0;
  }
  100% {
    left: -150px;
    opacity: 0;
  }
}

@keyframes speeder {
  0% {
    transform: translate(2px, 1px) rotate(0deg);
  }
  10% {
    transform: translate(-1px, -3px) rotate(-1deg);
  }
  20% {
    transform: translate(-2px, 0px) rotate(1deg);
  }
  30% {
    transform: translate(1px, 2px) rotate(0deg);
  }
  40% {
    transform: translate(1px, -1px) rotate(1deg);
  }
  50% {
    transform: translate(-1px, 3px) rotate(-1deg);
  }
  60% {
    transform: translate(-1px, 1px) rotate(0deg);
  }
  70% {
    transform: translate(3px, 1px) rotate(-1deg);
  }
  80% {
    transform: translate(-2px, -1px) rotate(1deg);
  }
  90% {
    transform: translate(2px, 1px) rotate(0deg);
  }
  100% {
    transform: translate(1px, -2px) rotate(-1deg);
  }
}

.longfazers {
  position: absolute;
  width: 100%;
  height: 100%;

  span {
    position: absolute;
    height: 2px;
    width: 20%;
    background: #000;

    &:nth-child(1) {
      top: 20%;
      animation: lf .6s linear infinite;
      animation-delay: -5s;
    }

    &:nth-child(2) {
      top: 40%;
      animation: lf2 .8s linear infinite;
      animation-delay: -1s;
    }

    &:nth-child(3) {
      top: 60%;
      animation: lf3 .6s linear infinite;
    }

    &:nth-child(4) {
      top: 80%;
      animation: lf4 .5s linear infinite;
      animation-delay: -3s;
    }
  }
}

@keyframes lf {
  0% {
    left: 200%;
  }
  100% {
    left: -200%;
    opacity: 0;
  }
}
@keyframes lf2 {
  0% {
    left: 200%;
  }
  100% {
    left: -200%;
    opacity: 0;
  }
}
@keyframes lf3 {
  0% {
    left: 200%;
  }
  100% {
    left: -100%;
    opacity: 0;
  }
}
@keyframes lf4 {
  0% {
    left: 200%;
  }
  100% {
    left: -100%;
    opacity: 0;
  }
}