63 lines
1.7 KiB
JavaScript
63 lines
1.7 KiB
JavaScript
const container = document.createElement("div");
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container.style.position = "fixed";
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container.style.top = "0";
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container.style.left = "0";
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container.style.width = "100vw";
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container.style.height = "100vh";
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container.style.pointerEvents = "none";
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container.style.overflow = "hidden";
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container.style.zIndex = "9999";
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document.body.appendChild(container);
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for (let i = 0; i < 60; i++) {
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const star = document.createElement("div");
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star.className = "star";
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const size = Math.random() * 2 + 1;
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star.style.width = `${size}px`;
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star.style.height = `${size}px`;
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star.style.opacity = Math.random();
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star.style.top = `${Math.random() * 100}vh`;
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star.style.left = `${Math.random() * 100}vw`;
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star.style.animationDuration = `${Math.random() * 3 + 2}s`;
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container.appendChild(star);
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}
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function createShootingStar() {
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const star = document.createElement("div");
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star.className = "shooting-star";
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star.x = Math.random() * window.innerWidth * 0.8;
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star.y = Math.random() * window.innerHeight * 0.3;
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const angle = (Math.random() * Math.PI) / 6 + Math.PI / 8;
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const speed = 10;
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const totalFrames = 60;
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let frame = 0;
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const deg = angle * (180 / Math.PI);
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star.style.left = `${star.x}px`;
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star.style.top = `${star.y}px`;
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star.style.transform = `rotate(${deg}deg)`;
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container.appendChild(star);
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function animate() {
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star.x += Math.cos(angle) * speed;
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star.y += Math.sin(angle) * speed;
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star.style.left = `${star.x}px`;
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star.style.top = `${star.y}px`;
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star.style.opacity = `${1 - frame / totalFrames}`;
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frame++;
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if (frame < totalFrames) {
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requestAnimationFrame(animate);
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} else if (star.parentNode === container) {
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container.removeChild(star);
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}
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}
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animate();
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}
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setInterval(() => {
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if (Math.random() < 0.3) createShootingStar();
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}, 1000);
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