Just rain

just-rain.markdown

Just rain

A Pen by Dustin Miller on CodePen.

License.

script.js

// Please, reload the page if it doesn't works properly <3
// See the console to check the number of <hr> tags

let hrElement;
let counter = 500;
for (let i = 0; i < counter; i++) {
  hrElement = document.createElement("HR");
  if (i == counter - 1) {
    hrElement.className = "thunder";
  } else {
    hrElement.style.left = Math.floor(Math.random() * window.innerWidth) + "px";
    hrElement.style.animationDuration = 0.3 + Math.random() * 0.3 + "s";
    hrElement.style.animationDelay = Math.random() * 5 + "s";
  }
  document.body.appendChild(hrElement);
}

console.log(
  "There are " +
    document.querySelectorAll("hr").length +
    " <hr> tags in this project :)"
);

style.css

* {
  margin: 0;
  padding: 0;
}

:root {
  --thunder-duration: 7s;
  --thunder-delay: 13s;
}

body {
  background-image: linear-gradient(to bottom, #030420, #000000 70%);
  display: flex;
  justify-content: center;
  align-items: center;
  width: 100vw;
  height: 100vh;
  overflow: hidden;
}

hr.thunder {
  border: unset;
  position: absolute;
  width: 100vw;
  height: 100vh;
  animation-name: thunder;
  animation-duration: var(--thunder-duration);
  animation-timing-function: linear;
  animation-delay: var(--thunder-delay);
  animation-iteration-count: infinite;
}

hr:not(.thunder) {
  width: 50px;
  border-color: transparent;
  border-right-color: rgba(255, 255, 255, 0.7);
  border-right-width: 50px;
  position: absolute;
  bottom: 100%;
  transform-origin: 100% 50%;
  animation-name: rain;
  animation-duration: 1s;
  animation-timing-function: linear;
  animation-iteration-count: infinite;
}

@keyframes rain {
  from {
    filter: opacity(1);
    transform: rotate(105deg) translateX(0);
  }
  to {
    filter: opacity(0);
    transform: rotate(105deg) translateX(calc(100vh + 20px));
  }
}

@keyframes thunder {
  0% {
    background-color: transparent;
  }
  1% {
    background-color: white;
  }
  2% {
    background-color: rgba(255, 255, 255, 0.8);
  }
  8% {
    background-color: transparent;
  }
}