文字动画

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html

css

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html

css

* {
  box-sizing: border-box;
}

html, body {
  height: 100%;
}

.container {
  max-height: 100vh;
  -webkit-perspective: 1000px;
          perspective: 1000px;
  position: relative;
  -ms-scroll-snap-type: y mandatory;
      scroll-snap-type: y mandatory;
  -webkit-overflow-scrolling: touch;
}

.headline {
  align-items: center;
  display: flex;
  font-family: 'Lexend Deca', sans-serif;
  font-weight: 700;
  font-size: calc(1rem + 15vmin);
  height: 100vh;
  justify-content: center;
  scroll-snap-align: start;
}
.headline:nth-child(1) {
  background-color: #f9ca24;
}
.headline:nth-child(2) {
  background-color: #3498db;
}
.headline:nth-child(3) {
  background-color: #ff7979;
}
.headline:nth-child(4) {
  background-color: #1abc9c;
}
.headline:nth-child(5) {
  background-color: #e74c3c;
}
.headline:nth-child(6) {
  background-color: #f8c291;
}

.char {
  -webkit-animation-name: var(--name);
          animation-name: var(--name);
  -webkit-animation-duration: var(--speed);
          animation-duration: var(--speed);
  -webkit-animation-delay: var(--delay);
          animation-delay: var(--delay);
  -webkit-animation-timing-function: var(--ease);
          animation-timing-function: var(--ease);
  -webkit-animation-direction: var(--direction, normal);
          animation-direction: var(--direction, normal);
  -webkit-animation-iteration-count: infinite;
          animation-iteration-count: infinite;
  display: inline-block;
  position: relative;
  -webkit-transform-origin: 50% 100%;
          transform-origin: 50% 100%;
}

.headline--fall .char {
  --name: fall;
  --speed: 600ms;
  --delay: calc(var(--char-index) * -0.05s);
  --ease: cubic-bezier(0.165, 0.44, 0.64, 1);
}
@-webkit-keyframes fall {
  0% {
    -webkit-transform: rotateY(-25deg);
            transform: rotateY(-25deg);
  }
  25% {
    -webkit-transform: translateY(2%) rotateY(25deg);
            transform: translateY(2%) rotateY(25deg);
  }
  50% {
    -webkit-transform: rotateY(-25deg);
            transform: rotateY(-25deg);
  }
  75% {
    -webkit-transform: translateY(4%) rotateY(25deg);
            transform: translateY(4%) rotateY(25deg);
  }
  100% {
    -webkit-transform: rotateY(-25deg);
            transform: rotateY(-25deg);
  }
}
@keyframes fall {
  0% {
    -webkit-transform: rotateY(-25deg);
            transform: rotateY(-25deg);
  }
  25% {
    -webkit-transform: translateY(2%) rotateY(25deg);
            transform: translateY(2%) rotateY(25deg);
  }
  50% {
    -webkit-transform: rotateY(-25deg);
            transform: rotateY(-25deg);
  }
  75% {
    -webkit-transform: translateY(4%) rotateY(25deg);
            transform: translateY(4%) rotateY(25deg);
  }
  100% {
    -webkit-transform: rotateY(-25deg);
            transform: rotateY(-25deg);
  }
}
.headline--flip .char {
  --name: flip;
  --speed: 4000ms;
  --delay: calc(var(--char-index) * 0.075s);
  --ease: linear;
}
@-webkit-keyframes flip {
  5% {
    -webkit-transform: rotateX(1turn);
            transform: rotateX(1turn);
  }
  10% {
    -webkit-transform: rotateX(2turn);
            transform: rotateX(2turn);
  }
  20% {
    -webkit-transform: rotateX(3turn);
            transform: rotateX(3turn);
  }
  40% {
    -webkit-transform: rotateX(4turn);
            transform: rotateX(4turn);
  }
  70%, 100% {
    -webkit-transform: rotateX(5turn);
            transform: rotateX(5turn);
  }
}
@keyframes flip {
  5% {
    -webkit-transform: rotateX(1turn);
            transform: rotateX(1turn);
  }
  10% {
    -webkit-transform: rotateX(2turn);
            transform: rotateX(2turn);
  }
  20% {
    -webkit-transform: rotateX(3turn);
            transform: rotateX(3turn);
  }
  40% {
    -webkit-transform: rotateX(4turn);
            transform: rotateX(4turn);
  }
  70%, 100% {
    -webkit-transform: rotateX(5turn);
            transform: rotateX(5turn);
  }
}
.headline--float .char {
  --name: float;
  --speed: 2200ms;
  --delay: calc(var(--char-index) * -0.5s);
  --ease: ease-in-out;
  --direction: alternate;
}
.headline--float .char:nth-child(2n) {
  --name: float-alt;
}
@-webkit-keyframes float {
  from {
    -webkit-transform: translate(2%, -10%) rotate(-1deg);
            transform: translate(2%, -10%) rotate(-1deg);
  }
  to {
    -webkit-transform: translate(-2%, 5%) rotate(3deg);
            transform: translate(-2%, 5%) rotate(3deg);
  }
}
@keyframes float {
  from {
    -webkit-transform: translate(2%, -10%) rotate(-1deg);
            transform: translate(2%, -10%) rotate(-1deg);
  }
  to {
    -webkit-transform: translate(-2%, 5%) rotate(3deg);
            transform: translate(-2%, 5%) rotate(3deg);
  }
}
@-webkit-keyframes float-alt {
  from {
    -webkit-transform: translate(0%, -5%) rotate(-1deg);
            transform: translate(0%, -5%) rotate(-1deg);
  }
  to {
    -webkit-transform: translate(2%, 10%) rotate(3deg);
            transform: translate(2%, 10%) rotate(3deg);
  }
}
@keyframes float-alt {
  from {
    -webkit-transform: translate(0%, -5%) rotate(-1deg);
            transform: translate(0%, -5%) rotate(-1deg);
  }
  to {
    -webkit-transform: translate(2%, 10%) rotate(3deg);
            transform: translate(2%, 10%) rotate(3deg);
  }
}
.headline--jog .char {
  --name: jog;
  --speed: 500ms;
  --delay: calc(var(--char-index) * -0.025s);
  --ease: linear;
}
@-webkit-keyframes jog {
  0% {
    -webkit-transform: translate(0, 0) rotate(5deg);
            transform: translate(0, 0) rotate(5deg);
  }
  25% {
    -webkit-transform: translate(5%, -5%) rotate(10deg);
            transform: translate(5%, -5%) rotate(10deg);
  }
  50% {
    -webkit-transform: translate(5%, 0) rotate(15deg);
            transform: translate(5%, 0) rotate(15deg);
  }
  75% {
    -webkit-transform: translate(10%, -5%) rotate(10deg);
            transform: translate(10%, -5%) rotate(10deg);
  }
  100% {
    -webkit-transform: translate(0, 0) rotate(5deg);
            transform: translate(0, 0) rotate(5deg);
  }
}
@keyframes jog {
  0% {
    -webkit-transform: translate(0, 0) rotate(5deg);
            transform: translate(0, 0) rotate(5deg);
  }
  25% {
    -webkit-transform: translate(5%, -5%) rotate(10deg);
            transform: translate(5%, -5%) rotate(10deg);
  }
  50% {
    -webkit-transform: translate(5%, 0) rotate(15deg);
            transform: translate(5%, 0) rotate(15deg);
  }
  75% {
    -webkit-transform: translate(10%, -5%) rotate(10deg);
            transform: translate(10%, -5%) rotate(10deg);
  }
  100% {
    -webkit-transform: translate(0, 0) rotate(5deg);
            transform: translate(0, 0) rotate(5deg);
  }
}
.headline--jump .char {
  --name: jump;
  --speed: 800ms;
  --delay: calc(var(--char-index) * 0.075s);
  --ease: cubic-bezier(0.165, 0.44, 0.64, 1);
}
@-webkit-keyframes jump {
  20% {
    -webkit-transform: translateY(2%) scaleY(0.9);
            transform: translateY(2%) scaleY(0.9);
  }
  40% {
    -webkit-transform: translateY(-100%) scaleY(1.2);
            transform: translateY(-100%) scaleY(1.2);
  }
  50% {
    -webkit-transform: translateY(10%) scaleY(0.8);
            transform: translateY(10%) scaleY(0.8);
  }
  70% {
    -webkit-transform: translateY(-5%) scaleY(1);
            transform: translateY(-5%) scaleY(1);
  }
  80%, 100% {
    -webkit-transform: translateY(0) scaleY(1);
            transform: translateY(0) scaleY(1);
  }
}
@keyframes jump {
  20% {
    -webkit-transform: translateY(2%) scaleY(0.9);
            transform: translateY(2%) scaleY(0.9);
  }
  40% {
    -webkit-transform: translateY(-100%) scaleY(1.2);
            transform: translateY(-100%) scaleY(1.2);
  }
  50% {
    -webkit-transform: translateY(10%) scaleY(0.8);
            transform: translateY(10%) scaleY(0.8);
  }
  70% {
    -webkit-transform: translateY(-5%) scaleY(1);
            transform: translateY(-5%) scaleY(1);
  }
  80%, 100% {
    -webkit-transform: translateY(0) scaleY(1);
            transform: translateY(0) scaleY(1);
  }
}
.headline--twirl .char {
  --name: twirl;
  --speed: 6000ms;
  --delay: calc(var(--char-index) * 0.025s);
  --ease: linear;
}
@-webkit-keyframes twirl {
  2.5% {
    -webkit-transform: rotateY(1turn);
            transform: rotateY(1turn);
  }
  5% {
    -webkit-transform: rotateY(2turn);
            transform: rotateY(2turn);
  }
  10% {
    -webkit-transform: rotateY(3turn);
            transform: rotateY(3turn);
  }
  20% {
    -webkit-transform: rotateY(4turn);
            transform: rotateY(4turn);
  }
  40% {
    -webkit-transform: rotateY(5turn);
            transform: rotateY(5turn);
  }
  70%, 100% {
    -webkit-transform: rotateY(6turn);
            transform: rotateY(6turn);
  }
}
@keyframes twirl {
  2.5% {
    -webkit-transform: rotateY(1turn);
            transform: rotateY(1turn);
  }
  5% {
    -webkit-transform: rotateY(2turn);
            transform: rotateY(2turn);
  }
  10% {
    -webkit-transform: rotateY(3turn);
            transform: rotateY(3turn);
  }
  20% {
    -webkit-transform: rotateY(4turn);
            transform: rotateY(4turn);
  }
  40% {
    -webkit-transform: rotateY(5turn);
            transform: rotateY(5turn);
  }
  70%, 100% {
    -webkit-transform: rotateY(6turn);
            transform: rotateY(6turn);
  }
}

JavaScript

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