Files
InfoGenie/InfoGenie-frontend/src/components/ParticleEffect.js
2026-04-01 22:03:57 +08:00

139 lines
4.1 KiB
JavaScript

import React, { useEffect, useRef, useCallback, useMemo } from 'react';
const ParticleEffect = () => {
const containerRef = useRef(null);
const particleId = useRef(0);
const colors = useMemo(() => [
'#4caf50', '#81c784', '#a5d6a7', '#c8e6c9',
'#66bb6a', '#8bc34a', '#cddc39', '#ffeb3b',
'#ffc107', '#ff9800', '#ff5722', '#e91e63',
'#9c27b0', '#673ab7', '#3f51b5', '#2196f3',
'#03a9f4', '#00bcd4', '#009688', '#4caf50',
], []);
const createParticle = useCallback((x, y) => {
if (!containerRef.current) return;
const particleCount = Math.random() * 8 + 6;
for (let i = 0; i < particleCount; i++) {
const particle = document.createElement('div');
particle.className = 'click-particle';
particle.id = `particle-${particleId.current++}`;
const color = colors[Math.floor(Math.random() * colors.length)];
const size = Math.random() * 8 + 4;
const angle = (Math.PI * 2 * i) / particleCount + Math.random() * 0.5;
const distance = Math.random() * 100 + 50;
const dx = Math.cos(angle) * distance;
const dy = Math.sin(angle) * distance - Math.random() * 50;
particle.style.cssText = `
position: absolute;
left: ${x - size / 2}px;
top: ${y - size / 2}px;
width: ${size}px;
height: ${size}px;
background: ${color};
border-radius: 50%;
pointer-events: none;
box-shadow: 0 0 6px ${color}40;
--dx: ${dx}px;
--dy: ${dy}px;
animation: particleAnimation 1.2s ease-out forwards;
z-index: 9999;
`;
containerRef.current.appendChild(particle);
setTimeout(() => {
if (particle && particle.parentNode) {
particle.parentNode.removeChild(particle);
}
}, 1200);
}
}, [colors]);
const createRipple = useCallback((x, y) => {
if (!containerRef.current) return;
const ripple = document.createElement('div');
ripple.className = 'click-ripple';
ripple.id = `ripple-${particleId.current++}`;
const color = colors[Math.floor(Math.random() * colors.length)];
ripple.style.cssText = `
position: absolute;
left: ${x}px;
top: ${y}px;
width: 0;
height: 0;
border-radius: 50%;
background: radial-gradient(circle, ${color}20 0%, transparent 70%);
border: 2px solid ${color}40;
pointer-events: none;
animation: rippleAnimation 0.8s ease-out forwards;
z-index: 9998;
transform: translate(-50%, -50%);
`;
if (!document.querySelector('#ripple-animation-style')) {
const style = document.createElement('style');
style.id = 'ripple-animation-style';
style.textContent = `
@keyframes rippleAnimation {
0% { width: 0; height: 0; opacity: 1; }
100% { width: 100px; height: 100px; opacity: 0; }
}
`;
document.head.appendChild(style);
}
containerRef.current.appendChild(ripple);
setTimeout(() => {
if (ripple && ripple.parentNode) {
ripple.parentNode.removeChild(ripple);
}
}, 800);
}, [colors]);
const handleClick = useCallback((event) => {
createParticle(event.clientX, event.clientY);
createRipple(event.clientX, event.clientY);
}, [createParticle, createRipple]);
useEffect(() => {
document.addEventListener('click', handleClick);
if (!document.querySelector('#particle-animation-style')) {
const style = document.createElement('style');
style.id = 'particle-animation-style';
style.textContent = `
@keyframes particleAnimation {
0% { transform: translate(0, 0) scale(1); opacity: 1; }
100% { transform: translate(var(--dx), var(--dy)) scale(0); opacity: 0; }
}
`;
document.head.appendChild(style);
}
return () => {
document.removeEventListener('click', handleClick);
document.querySelector('#particle-animation-style')?.remove();
document.querySelector('#ripple-animation-style')?.remove();
};
}, [handleClick]);
return (
<div
ref={containerRef}
className="fixed inset-0 pointer-events-none z-[9999] overflow-hidden"
/>
);
};
export default ParticleEffect;