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HTML

              
                 <div class="container">
    <div class="turret">
      <div class="antenna-container">
        <div class="left antenna">
          <div class="part top"></div>
          <div class="part middle"></div>
          <div class="part bottom"></div>
        </div>
        <div class="right antenna"></div>
      </div>
      <div class="body-container">
        <div class="left part">
          <div class="chassis-container"></div>
          <div class="weapon-container"></div>
          <div class="arm"></div>
        </div>
        <div class="body">
          <div class="body-top"></div>
          <div class="body-core"></div>
        </div>
        <div class="right part">
          <div class="chassis-container"></div>
          <div class="weapon-container"></div>
          <div class="arm"></div>
        </div>
        <div class="eye-container">
          <div class="eye blink">
            <div class="iris">
              <div class="pupil"></div>
            </div>
            <div class="lid-top"></div>
            <div class="lid-bottom"></div>
          </div>
          <div class="line"></div>
        </div>
      </div>
      <div class="legs-container">
        <div class="top">
          <div class="left tube"></div>
          <div class="right tube"></div>
        </div>
        <div class="left leg"></div>
        <div class="middle leg"></div>
        <div class="right leg"></div>
        <div class="left chassis"></div>
        <div class="right chassis"></div>
      </div>
    </div>
  </div>

<div class="created">
  <span>Created by</span>
  <a href="https://manz.dev/"><h2>Manz.dev</h2></a>
  <p>on <a href="https://twitch.tv/ManzDev">Twitch</a> / <a href="https://youtu.be/7t5e_aTi4Wo">Youtube</a></p>
</div>
              
            
!

CSS

              
                @use postcss-nested;

:root {
  --turret-body-color: #eee;
  --turret-border-color: #3b3630;
  --turret-border-filter: drop-shadow(3px 0 0 var(--turret-border-color)) drop-shadow(0 3px 0 var(--turret-border-color)) drop-shadow(-3px 0 0 var(--turret-border-color)) drop-shadow(0 -3px 0 var(--turret-border-color));
  --turret-eye-gradient:
    radial-gradient(#df0a0a 30%, transparent 55%),
    repeating-conic-gradient(#c70a0a 1% 3%, #222 4% 5%);
}

.container {
  display: flex;
  justify-content: center;
  margin-top: 4em;
}

.turret {
  width: 225px;
  height: 325px;
  display: flex;
  flex-direction: column;
  align-items: center;
  transform: rotate(var(--turret-rotate, 0));

  & .antenna-container {
    position: absolute;
    width: 40px;
    height: 45px;
    transform: translateY(-45px);
    display: flex;
    justify-content: center;
    align-items: flex-end;

    & .left.antenna {
      width: 20px;
      height: 40px;

      & .part {
        width: 4px;
        height: 20px;
        border-radius: 5px;
        background: var(--turret-border-color);
        position: absolute;
        left: 10px;

        &.top {
          transform: translate(15px, 0);
        }

        &.middle {
          transform: translate(8px, 12px) rotate(64deg);
        }

        &.bottom {
          transform: translate(0, 25px);
        }
      }
    }

    & .right.antenna {
      width: 4px;
      height: 15px;
      border-radius: 4px;
      position: relative;
      left: -3px;
      background: var(--turret-border-color);
    }
  }

  & .body-container {
    width: 100%;
    height: 225px;
    display: flex;
    justify-content: center;
    align-items: flex-end;

    & .part {
      border-left: 20px solid var(--turret-body-color);
      width: 40px;
      height: 175px;
      border-radius: 50% 0 0 50% / 70% 0 0 70%;
      position: relative;
      filter: var(--turret-border-filter);
      transform: translateX(60px);
      display: flex;
      align-items: center;
      transition: transform 0.5s;

      &.open {
        transform: translateX(0);
      }

      &.right {
        transform: translateX(-60px) scaleX(-1);

        &.open {
          transform: translateX(0) scaleX(-1);
        }
      }

      & .chassis-container {
        background: var(--turret-body-color);
        width: 16px;
        height: 172px;
        clip-path: polygon(0 0, 100% 25%, 100% 98%, 0 100%);
        transform: translateX(-1px);
      }

      & .weapon-container {
        width: 20px;
        height: 60px;
        border-radius: 0 8px 8px 0;
        background: #282829;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;

        &::before {
          content: "";
          display: block;
          width: 10px;
          height: 10px;
          border-radius: 50%;
          border: 4px solid #333;
          background: #111;
        }

        &::after {
          content: "";
          display: block;
          width: 7px;
          height: 7px;
          border-radius: 50%;
          border: 4px solid #333;
          background: #111;
          margin-top: 6px;
        }
      }

      & .arm {
        position: absolute;
        z-index: -1;
        width: 60px;
        height: 10px;
        background: linear-gradient(#555 45%, #444 50%);
      }
    }

    & .body {
      width: 125px;
      height: 225px;
      display: flex;
      flex-direction: column;
      justify-content: flex-end;
      align-items: center;
      position: relative;
      z-index: 5;
      filter: var(--turret-border-filter);

      /* Central line */
      &::before {
        position: absolute;
        top: 0;
        z-index: 5;
        content: "";
        display: block;
        width: 4px;
        height: 100%;
        background: var(--turret-border-color);
      }

      & .body-top {
        position: absolute;
        top: 0;
        background: var(--turret-body-color);
        width: 100px;
        height: 200px;
        border-radius: 50%;
        clip-path: polygon(0 0, 100% 0, 100% 20%, 80% 35%, 20% 35%, 0 20%);
      }

      & .body-core {
        background: var(--turret-body-color);
        width: 75px;
        height: 200px;
        border-radius: 50%;
      }
    }

    & .eye-container {
      position: absolute;
      width: 55px;
      height: 55px;
      background: conic-gradient(#aaa 25%, #fff 35% 80%, #aaa 90%);
      border-radius: 50%;
      z-index: 10;
      transform: translateY(-70px);
      display: flex;
      justify-content: center;
      align-items: center;

      & .line {
        position: absolute;
        top: 0;
        z-index: 5;
        content: "";
        display: block;
        width: 4px;
        height: 100%;
        background: var(--turret-border-color);
      }

      & .eye {
        width: 35px;
        height: 35px;
        border: 3px solid var(--turret-border-color);
        border-radius: 50%;
        position: relative;
        z-index: 10;
        display: flex;
        justify-content: center;
        align-items: center;
        overflow: hidden;
        background-color: #222;

        & .iris {
          border-radius: 50%;
          position: absolute;
          width: 100%;
          height: 100%;
          background: var(--turret-eye-gradient);
          display: flex;
          justify-content: center;
          align-items: center;
          transform: translate(var(--x, 0), var(--y, 0));
          transition: transform 0.25s;

          & .pupil {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #222;
            background: radial-gradient(#222 80%, transparent 80%);

            /* filter: drop-shadow(0 0 3px #222); */
          }
        }

        &.blink .lid-top {
          animation: topBlink 2s ease infinite alternate;
        }

        &.blink .lid-bottom {
          animation: bottomBlink 2s ease infinite alternate;
        }

        & .lid-top,
        & .lid-bottom {
          content: "";
          display: block;
          position: absolute;
          background: var(--turret-body-color);
          width: 100%;
          height: 50%;
          left: 0;
          right: 0;
          z-index: 20;
        }

        & .lid-top {
          border-bottom: 2px solid var(--turret-border-color);
          top: 0;
        }

        & .lid-bottom {
          border-top: 2px solid var(--turret-border-color);
          bottom: 0;
        }
      }
    }
  }

  & .legs-container {
    width: 150px;
    height: 100px;
    margin: auto;
    display: flex;
    justify-content: space-around;
    filter: var(--turret-border-filter);

    & .top {
      position: absolute;
      width: 80px;
      height: 20px;
      background: #333;
      z-index: 5;

      & .tube {
        position: absolute;
        border: 10px solid #444;
        width: 50px;
        height: 50px;
        border-radius: 50%;
        clip-path: polygon(0 0, 50% 0, 50% 50%, 0 50%);

        &.left {
          transform: translate(-25px, -48px) scale(-1, -1);
        }

        &.right {
          transform: translate(35px, -48px) scale(1, -1);
        }
      }
    }

    & .leg {
      width: 20px;
      height: 100px;
      background: linear-gradient(to bottom, #484848 40%, #656769 42%);
      clip-path: polygon(0 0, 100% 0, 100% 75%, 50% 100%, 0 75%);
      position: relative;

      &.left {
        transform: rotate(25deg);
        z-index: 6;
      }

      &.middle {
        transform: translateY(-15px);
      }

      &.right {
        transform: rotate(-25deg);
        z-index: 6;
      }
    }

    & .chassis {
      position: absolute;
      width: 32px;
      height: 32px;
      background: linear-gradient(#ccc 25%, var(--turret-body-color) 35%);
      border-radius: 25px 25px 5px 5px / 10px 10px 30px 30px;
      z-index: 6;

      &.left {
        top: -8px;
        left: 28px;
        transform: rotate(25deg);
      }

      &.right {
        top: -8px;
        right: 28px;
        transform: rotate(-25deg);
      }
    }
  }
}

@keyframes topBlink {

  0%,
  85% {
    transform: translateY(-20px);
  }

  100% {
    transform: translateY(0);
  }
}

@keyframes bottomBlink {

  0%,
  85% {
    transform: translateY(20px);
  }

  100% {
    transform: translateY(1px);
  }
}

.created {
  background: 
    url(https://assets.codepen.io/154065/internal/avatars/users/default.png),
    linear-gradient(to bottom, #884ced, #ec1cce);
  background-size: 75px 75px, cover;
  background-repeat: no-repeat;
  position: absolute;
  top: 0;
  right: 0;
  width: 250px;
  height: 75px;
  display: flex;
  flex-direction: column;
  align-items: center;
  padding-left: 2em;
  
  & span,
  & h2,
  & p,
  & a {
    font-family: Montserrat;
    margin: 0;
  }
  
  & a,
  & p,
  & span {
    color: #fff;    
  }
  
  & h2 {
    font-weight: 700;
    transform: translate(0, -4px);    
  }
  
  & a {
    text-decoration-color: rgba(255,255,255,0.4);
  }
  
  & a:hover {
    color: #e6e82a;
  }
}
              
            
!

JS

              
                const turret = document.querySelector(".turret");
const leftPart = document.querySelector(".body-container .left.part");
const rightPart = document.querySelector(".body-container .right.part");
const iris = document.querySelector(".iris");
const sounds = {
  turretFire: new Howl({
    src: ["https://manzdev.github.io/twitch-turret/turret-fire.ogg"],
    loop: true
  }),
  turretHola: new Howl({
    src: ["https://manzdev.github.io/twitch-turret/turret-hola.mp3"]
  }),
  turretHayAlguienAhi: new Howl({
    src: ["https://manzdev.github.io/twitch-turret/turret-hay-alguien-ahi.mp3"]
  }),
  turretHoraDeLaSiesta: new Howl({
    src: ["https://manzdev.github.io/twitch-turret/turret-hora-de-la-siesta.mp3"]
  }),
  turretModoSiestaActivo: new Howl({
    src: ["https://manzdev.github.io/twitch-turret/turret-modo-siesta-activo.mp3"]
  }),
  fxDespliegue: new Howl({
    src: ["https://manzdev.github.io/twitch-turret/turret-fx-despliegue.mp3"]
  }),
  fxCierre: new Howl({
    src: ["https://manzdev.github.io/twitch-turret/turret-cierre.mp3"]
  })
};

const checkTurret = () => {
  const isLeftOpen = leftPart.classList.contains("open");
  const isRightOpen = rightPart.classList.contains("open");

  if (isLeftOpen && isRightOpen) {
    sounds.fxDespliegue.play();
    sounds.turretHola.play();
    setTimeout(() => sounds.turretHayAlguienAhi.play(), 1000);
  }

  if (!isLeftOpen && !isRightOpen) {
    sounds.fxCierre.play();
    const r = ~~(Math.random() * 2);
    if (r === 0) { sounds.turretHoraDeLaSiesta.play(); } else { sounds.turretModoSiestaActivo.play(); }
  }
};

document.body.addEventListener("click", (ev) => {
  if (ev.detail === 2 || ev.detail === 1) {
    leftPart.classList.toggle("open");
  }
  if (ev.detail === 3 || ev.detail === 1) {
    rightPart.classList.toggle("open");
  }

  checkTurret();
});

const moveIris = () => {
  const x = ~~(Math.random() * 5) - 2;
  const y = ~~(Math.random() * 5) - 2;
  iris.style.setProperty("--x", `${x}px`);
  iris.style.setProperty("--y", `${y}px`);
  const time = ~~(Math.random() * 600) + 150;
  setTimeout(() => moveIris(), time);
};

setTimeout(() => moveIris(), 500);

let times = 30;

const rotateTurret = () => {
  const rotate = ~~(Math.random() * 10) - 5;
  turret.style.setProperty("--turret-rotate", `${rotate}deg`);
  const time = ~~~(Math.random() * 750) + 250;

  if (times === 30) {
    sounds.turretFire.play();
  }
  times--;
  if (times > 0) {
    setTimeout(() => rotateTurret(), time);
  } else {
    sounds.turretFire.pause();
  }
};
              
            
!
999px

Console