Hyperspace Corridor
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
<title>Background 2: Hyperspace Corridor</title>
<style>
body {
margin: 0;
height: 100vh;
background: radial-gradient(circle, #1a082d 0%, #010008 70%);
overflow: hidden;
}
.star-field {
position: absolute;
top: 50%;
left: 50%;
width: 2px;
height: 2px;
}
.star {
position: absolute;
width: 100%; height: 100%;
background-color: #fff;
border-radius: 50%;
animation: travel 10s ease-in infinite;
will-change: transform, opacity;
}
/* Streak effect */
.star::after {
content: '';
position: absolute;
top: 0; left: 50%;
transform: translate(-50%, -100%);
width: 120%;
height: 2000%; /* Long streak */
border-radius: 50%;
background: linear-gradient(to top, rgba(255,255,255,0.5), transparent);
}
@keyframes travel {
0% {
transform: rotate(var(--angle)) translateY(0) scale(0);
opacity: 1;
}
50% {
transform: rotate(var(--angle)) translateY(30vmin) scale(1);
opacity: 1;
}
100% {
transform: rotate(var(--angle)) translateY(100vmin) scale(0);
opacity: 1;
}
}
/* HUD Overlay */
.overlay {
position: absolute;
top: 50%; left: 50%;
width: 80vmin; height: 80vmin;
transform: translate(-50%, -50%);
border: 2px solid rgba(0, 225, 255, 0.3);
border-radius: 50%;
box-shadow: inset 0 0 20px rgba(0, 225, 255, 0.2);
animation: pulse 5s ease-in-out infinite alternate;
}
@keyframes pulse {
from { transform: translate(-50%, -50%) scale(0.98); opacity: 0.5; }
to { transform: translate(-50%, -50%) scale(1); opacity: 0.8; }
}
@media (prefers-reduced-motion: reduce) {
.star, .overlay { animation: none; }
}
</style>
</head>
<body>
<div id="star-container"></div>
<div class="overlay"></div>
<script>
const container = document.getElementById('star-container');
const numStars = 400;
for (let i = 0; i < numStars; i++) {
const starField = document.createElement('div');
starField.className = 'star-field';
const angle = Math.random() * 360;
starField.style.setProperty('--angle', `${angle}deg`);
const star = document.createElement('div');
star.className = 'star';
const delay = Math.random() * -10; // Start stars mid-flight
star.style.animationDelay = `${delay}s`;
const duration = Math.random() * 3 + 2; // Vary travel speed
star.style.animationDuration = `${duration}s`;
starField.appendChild(star);
container.appendChild(starField);
}
</script>
</body>
</html>About this animation
Fast-moving corridor effect resembling hyperspace.
Under the hood
Radial CSS Star Streaks
JavaScript spawns 400 star elements at the centre of the screen, each given a random
--angle, animationDelay, and duration. A @keyframes travel animation combines rotate(var(--angle)) with translateY() out to 100vmin and scale() from 0 up to 1 and back to 0, while a ::after gradient trail and a pulsing circular HUD overlay complete the warp effect.
