css千足动物动画

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html

css

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html

css

*, *::before, *::after {
  padding: 0;
  margin: 0 auto;
  box-sizing: border-box;
}

body {
  background-color: #0f0;
  color: #fff;
  min-height: 100vh;
  display: flex;
  justify-content: center;
  align-items: center;
  font-size: 40px;
  overflow: hidden;
}

.back {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #113;
}

.millipede {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-color: #000;
  filter: blur(0.125em) contrast(10);
  mix-blend-mode: exclusion;
}

.link {
  position: absolute;
  width: 3em;
  height: 3em;
  border-radius: 50%;
  background-color: #fff;
  perspective: 20em;
  transform-style: preserve-3d;
  -webkit-animation: linkLeft 20s var(--ad) infinite linear, linktop 5s calc(var(--ad) - 2.5s) infinite ease-in-out alternate, linkAngle 5s var(--ad) infinite ease-in-out alternate;
          animation: linkLeft 20s var(--ad) infinite linear, linktop 5s calc(var(--ad) - 2.5s) infinite ease-in-out alternate, linkAngle 5s var(--ad) infinite ease-in-out alternate;
}
.link:nth-child(1) {
  --ad: 0s;
}
.link:nth-child(2) {
  --ad: -0.7692307692s;
}
.link:nth-child(3) {
  --ad: -1.5384615385s;
}
.link:nth-child(4) {
  --ad: -2.3076923077s;
}
.link:nth-child(5) {
  --ad: -3.0769230769s;
}
.link:nth-child(6) {
  --ad: -3.8461538462s;
}
.link:nth-child(7) {
  --ad: -4.6153846154s;
}
.link:nth-child(8) {
  --ad: -5.3846153846s;
}
.link:nth-child(9) {
  --ad: -6.1538461538s;
}
.link:nth-child(10) {
  --ad: -6.9230769231s;
}
.link:nth-child(11) {
  --ad: -7.6923076923s;
}
.link:nth-child(12) {
  --ad: -8.4615384615s;
}
.link:nth-child(13) {
  --ad: -9.2307692308s;
}
.link:nth-child(14) {
  --ad: -10s;
}
.link:nth-child(15) {
  --ad: -10.7692307692s;
}
.link:nth-child(16) {
  --ad: -11.5384615385s;
}
.link:nth-child(17) {
  --ad: -12.3076923077s;
}
.link:nth-child(18) {
  --ad: -13.0769230769s;
}
.link:nth-child(19) {
  --ad: -13.8461538462s;
}
.link:nth-child(20) {
  --ad: -14.6153846154s;
}
.link:nth-child(21) {
  --ad: -15.3846153846s;
}
.link:nth-child(22) {
  --ad: -16.1538461538s;
}
.link:nth-child(23) {
  --ad: -16.9230769231s;
}
.link:nth-child(24) {
  --ad: -17.6923076923s;
}
.link:nth-child(25) {
  --ad: -18.4615384615s;
}
.link:nth-child(26) {
  --ad: -19.2307692308s;
}
@-webkit-keyframes linkLeft {
  from {
    left: calc(50% + 30em);
  }
  to {
    left: calc(50% - 30em);
  }
}
@keyframes linkLeft {
  from {
    left: calc(50% + 30em);
  }
  to {
    left: calc(50% - 30em);
  }
}
@-webkit-keyframes linktop {
  from {
    top: calc(50% + 3em);
  }
  to {
    top: calc(50% - 3em);
  }
}
@keyframes linktop {
  from {
    top: calc(50% + 3em);
  }
  to {
    top: calc(50% - 3em);
  }
}
@-webkit-keyframes linkAngle {
  from {
    transform: translate(-50%, -50%) rotate(-45deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(-135deg);
  }
}
@keyframes linkAngle {
  from {
    transform: translate(-50%, -50%) rotate(-45deg);
  }
  to {
    transform: translate(-50%, -50%) rotate(-135deg);
  }
}
.link::before, .link::after {
  content: "";
  position: absolute;
  top: 50%;
  width: 0.75em;
  height: 0.5em;
  border-radius: 50%;
  background-color: #f00;
}
.link::before {
  right: -0.4em;
  -webkit-animation: leg 2s calc(var(--ad) / 2.5) infinite linear;
          animation: leg 2s calc(var(--ad) / 2.5) infinite linear;
}
.link::after {
  left: -0.4em;
  -webkit-animation: leg 2s calc((var(--ad) / 2.5) - -1s) infinite linear;
          animation: leg 2s calc((var(--ad) / 2.5) - -1s) infinite linear;
}
@-webkit-keyframes leg {
  from {
    transform: translateY(-50%) rotateX(0deg) translateZ(1em) rotateX(360deg);
  }
  to {
    transform: translateY(-50%) rotateX(360deg) translateZ(1em) rotateX(0deg);
  }
}
@keyframes leg {
  from {
    transform: translateY(-50%) rotateX(0deg) translateZ(1em) rotateX(360deg);
  }
  to {
    transform: translateY(-50%) rotateX(360deg) translateZ(1em) rotateX(0deg);
  }
}

JavaScript

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