CSS - 눈이 움직이는 애니메이션

눈이 움직이는 애니메이션

마우스와 키보드를 따라 눈이 움직이는 애니메이션을 만들어 보아요👀

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CSS

* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}
html, body {
    height: 100%;
    overflow: hidden;
}
.wrapper {
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 369px;
    height: 547px;
    transform-style: preserve-3d;
}
.me {
    position: absolute;
    width: 369px;
    height: 547px;
    transform: translatez(80px) scale(0.8);
}
.me::before, .me::after {
    position: absolute;
    content: '';
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    border-radius: 10px;
    background: url(http://www.supah.it/dribbble/006/profile.png) no-repeat 0 0;
}
.me::after {
    height: 30px;
    top: auto;
    bottom: -15px;
    filter: blur(15px);
    background-size: 100% 30px;
    border-radius: 100px;
}
.eye , .eye::before {
    width: 70px;
    height: 70px;
    position: absolute;
    top: 175px;
    left: 119px;
    z-index: -1;
    background: url(http://www.supah.it/dribbble/006/eye.png);
}
.eye::before {
    content: '';
    top: -3px;
    left: 99px;
}
.text {
    position: absolute;
    left: 0;
    top: 0;
    z-index: 2;
    width: 390px;
    height: 595px;
    transform: translatez(150px) translatex(-11px) translatey(-26px) scale(.55);
    border: 3px solid #fff;
    text-align: center;
    font-size: 36px;
    line-height: 1000px;
    color: #fff;
    opacity: 0.3;
    border-radius: 15px;
    background: linear-gradient(135deg, #fff 0%, rgba(255,255,255,0.36) 39%, rgba(255,255,255,0) 51%, #000 100%);
}
    
.text::after {
    content: 'moving';
    width: 100%;
    position: absolute;
    bottom: 22px;
    left: 0;
    z-index: 1;
    line-height: 1;
    font-size: 18px;
    text-align: center;
    text-transform: uppercase;
    letter-spacing: 20px;
    text-indent: 20px;
}

javascript

const wrap = document.querySelector('.wrapper');
const eye = document.querySelector('.eye');
const speed = 1;
let x = 0;
let y = 0;
let followX = 0;
let followY = 0;

function animate() {
  x += (followX - x) * speed;
  y += (followY - y) * speed;
  eye.style.transform = `translate(${-x}px, ${-y}px)`;
  wrap.style.transform = `translate(-50%, -50%) perspective(600px) rotateX(${-y}deg) rotateY(${-x}deg)`;
  requestAnimationFrame(animate);
}

window.addEventListener('mousemove', (e) => {
  let mouseX = Math.max(-100, Math.min(100, window.innerWidth / 2 - e.clientX));
  let mouseY = Math.max(-100, Math.min(100, window.innerHeight / 2 - e.clientY));
  
  followX = (12 * mouseX) / 100;
  followY = (10 * mouseY) / 100;
});

window.addEventListener('keydown', (e) => {
  switch(e.keyCode) {
    case 37 :
      followX = 12;
      break;
    case 38 :
      followY = 10;
      break;
    case 39 :
      followX = -12;
    case 40 :
      followY = -10;
      break;
    default:
      break;
  }
});
animate();

결과

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