Bubbles Background Animation

bubbles-background-animation.markdown

Bubbles Background Animation

Bubbles Background Animation

A Pen by JuicyGyri on CodePen.

License.

index.html

<div class="text-container">
  Bubbles
</div>
<div class="gradient-bg">
  <svg xmlns="http://www.w3.org/2000/svg">
    <defs>
      <filter id="goo">
        <feGaussianBlur in="SourceGraphic" stdDeviation="10" result="blur" />
        <feColorMatrix in="blur" mode="matrix" values="1 0 0 0 0  0 1 0 0 0  0 0 1 0 0  0 0 0 18 -8" result="goo" />
        <feBlend in="SourceGraphic" in2="goo" />
      </filter>
    </defs>
  </svg>
  <div class="gradients-container">
    <div class="g1"></div>
    <div class="g2"></div>
    <div class="g3"></div>
    <div class="g4"></div>
    <div class="g5"></div>
    <div class="interactive"></div>
  </div>
</div>

script.typescript

// document.addEventListener('DOMContentLoaded', () => {
//     const interBubble = document.querySelector<HTMLDivElement>('.interactive')!;
//     let curX = 0;
//     let curY = 0;
//     let tgX = 0;
//     let tgY = 0;

//     function move() {
//         curX += (tgX - curX) / 20;
//         curY += (tgY - curY) / 20;
//         interBubble.style.transform = `translate(${Math.round(curX)}px, ${Math.round(curY)}px)`;
//         requestAnimationFrame(() => {
//             move();
//         });
//     }

//     window.addEventListener('mousemove', (event) => {
//         tgX = event.clientX;
//         tgY = event.clientY;
//     });

//     move();
// });

style.scss

html, body {
  font-family: 'Dongle', sans-serif;
  margin: 0;
  padding: 0;
}

.text-container {
  z-index: 100;
  width: 100vw;
  height: 100vh;
  display: flex;
  position: absolute;
  top: 0;
  left: 0;
  justify-content: center;
  align-items: center;
  font-size: 96px;
  color: white;
  opacity: 0.8;
  user-select: none;
  text-shadow: 1px 1px rgba(0,0,0,0.1);
}

:root {
  --color-bg1: rgb(108, 0, 162);
  --color-bg2: rgb(0, 17, 82);
  --color1: 18, 113, 255;
  --color2: 221, 74, 255;
  --color3: 100, 220, 255;
  --color4: 200, 50, 50;
  --color5: 180, 180, 50;
  --color-interactive: 140, 100, 255;
  --circle-size: 80%;
  --blending: hard-light;
}

@keyframes moveInCircle {
  0% {
    transform: rotate(0deg);
  }
  50% {
    transform: rotate(180deg);
  }
  100% {
    transform: rotate(360deg);
  }
}

@keyframes moveVertical {
  0% {
    transform: translateY(-50%);
  }
  50% {
    transform: translateY(50%);
  }
  100% {
    transform: translateY(-50%);
  }
}

@keyframes moveHorizontal {
  0% {
    transform: translateX(-50%) translateY(-10%);
  }
  50% {
    transform: translateX(50%) translateY(10%);
  }
  100% {
    transform: translateX(-50%) translateY(-10%);
  }
}


.gradient-bg {
  width: 100vw;
  height: 100vh;
  position: relative;
  overflow: hidden;
  background: linear-gradient(40deg, var(--color-bg1), var(--color-bg2));
  top: 0;
  left: 0;

  svg {
    position: fixed;
    top:0;
    left:0;
    width: 0;
    height: 0;
  }


  .gradients-container {
    filter: url(#goo) blur(40px) ;
    width: 100%;
    height: 100%;
  }

  .g1 {
    position: absolute;
    background: radial-gradient(circle at center, rgba(var(--color1), 0.8) 0, rgba(var(--color1), 0) 50%) no-repeat;
    mix-blend-mode: var(--blending);

    width: var(--circle-size);
    height: var(--circle-size);
    top: calc(50% - var(--circle-size) / 2);
    left: calc(50% - var(--circle-size) / 2);

    transform-origin: center center;
    animation: moveVertical 30s ease infinite;

    opacity: 1;
  }

  .g2 {
    position: absolute;
    background: radial-gradient(circle at center, rgba(var(--color2), 0.8) 0, rgba(var(--color2), 0) 50%) no-repeat;
    mix-blend-mode: var(--blending);

    width: var(--circle-size);
    height: var(--circle-size);
    top: calc(50% - var(--circle-size) / 2);
    left: calc(50% - var(--circle-size) / 2);

    transform-origin: calc(50% - 400px);
    animation: moveInCircle 20s reverse infinite;

    opacity: 1;
  }

  .g3 {
    position: absolute;
    background: radial-gradient(circle at center, rgba(var(--color3), 0.8) 0, rgba(var(--color3), 0) 50%) no-repeat;
    mix-blend-mode: var(--blending);

    width: var(--circle-size);
    height: var(--circle-size);
    top: calc(50% - var(--circle-size) / 2 + 200px);
    left: calc(50% - var(--circle-size) / 2 - 500px);

    transform-origin: calc(50% + 400px);
    animation: moveInCircle 40s linear infinite;

    opacity: 1;
  }

  .g4 {
    position: absolute;
    background: radial-gradient(circle at center, rgba(var(--color4), 0.8) 0, rgba(var(--color4), 0) 50%) no-repeat;
    mix-blend-mode: var(--blending);

    width: var(--circle-size);
    height: var(--circle-size);
    top: calc(50% - var(--circle-size) / 2);
    left: calc(50% - var(--circle-size) / 2);

    transform-origin: calc(50% - 200px);
    animation: moveHorizontal 40s ease infinite;

    opacity: 0.7;
  }

  .g5 {
    position: absolute;
    background: radial-gradient(circle at center, rgba(var(--color5), 0.8) 0, rgba(var(--color5), 0) 50%) no-repeat;
    mix-blend-mode: var(--blending);

    width: calc(var(--circle-size) * 2);
    height: calc(var(--circle-size) * 2);
    top: calc(50% - var(--circle-size));
    left: calc(50% - var(--circle-size));

    transform-origin: calc(50% - 800px) calc(50% + 200px);
    animation: moveInCircle 20s ease infinite;

    opacity: 1;
  }

  .interactive {
    position: absolute;
    background: radial-gradient(circle at center, rgba(var(--color-interactive), 0.8) 0, rgba(var(--color-interactive), 0) 50%) no-repeat;
    mix-blend-mode: var(--blending);

    width: 100%;
    height: 100%;
    top: -50%;
    left: -50%;

    opacity: 0.7;
  }
}