[V0_FILE]typescriptreact:file="components/kokonutui/particles-background.tsx" "use client" import { useEffect, useRef } from "react" import { motion } from "motion/react" import { cn } from "@/lib/utils" import Link from "next/link" interface CyberBackgroundProps { title?: string subtitle?: string particleCount?: number noiseIntensity?: number particleSize?: { min: number; max: number } className?: string } function createNoise() { const permutation = [ 151, 160, 137, 91, 90, 15, 131, 13, 201, 95, 96, 53, 194, 233, 7, 225, 140, 36, 103, 30, 69, 142, 8, 99, 37, 240, 21, 10, 23, 190, 6, 148, 247, 120, 234, 75, 0, 26, 197, 62, 94, 252, 219, 203, 117, 35, 11, 32, 57, 177, 33, 88, 237, 149, 56, 87, 174, 20, 125, 136, 171, 168, 68, 175, 74, 165, 71, 134, 139, 48, 27, 166, 77, 146, 158, 231, 83, 111, 229, 122, 60, 211, 133, 230, 220, 105, 92, 41, 55, 46, 245, 40, 244, 102, 143, 54, 65, 25, 63, 161, 1, 216, 80, 73, 209, 76, 132, 187, 208, 89, 18, 169, 200, 196, 135, 130, 116, 188, 159, 86, 164, 100, 109, 198, 173, 186, 3, 64, 52, 217, 226, 250, 124, 123, 5, 202, 38, 147, 118, 126, 255, 82, 85, 212, 207, 206, 59, 227, 47, 16, 58, 17, 182, 189, 28, 42, 223, 183, 170, 213, 119, 248, 152, 2, 44, 154, 163, 70, 221, 153, 101, 155, 167, 43, 172, 9, 129, 22, 39, 253, 19, 98, 108, 110, 79, 113, 224, 232, 178, 185, 112, 104, 218, 246, 97, 228, 251, 34, 242, 193, 238, 210, 144, 12, 191, 179, 162, 241, 81, 51, 145, 235, 249, 14, 239, 107, 49, 192, 214, 31, 181, 199, 106, 157, 184, 84, 204, 176, 115, 121, 50, 45, 127, 4, 150, 254, 138, 236, 205, 93, 222, 114, 67, 29, 24, 72, 243, 141, 128, 195, 78, 66, 215, 61, 156, 180, ] const p = new Array(512) for (let i = 0; i < 256; i++) p[256 + i] = p[i] = permutation[i] function fade(t: number) { return t * t * t * (t * (t * 6 - 15) + 10) } function lerp(t: number, a: number, b: number) { return a + t * (b - a) } function grad(hash: number, x: number, y: number, z: number) { const h = hash & 15 const u = h < 8 ? x : y const v = h < 4 ? y : h === 12 || h === 14 ? x : z return ((h & 1) === 0 ? u : -u) + ((h & 2) === 0 ? v : -v) } return { simplex3: (x: number, y: number, z: number) => { const X = Math.floor(x) & 255 const Y = Math.floor(y) & 255 const Z = Math.floor(z) & 255 x -= Math.floor(x) y -= Math.floor(y) z -= Math.floor(z) const u = fade(x) const v = fade(y) const w = fade(z) const A = p[X] + Y const AA = p[A] + Z const AB = p[A + 1] + Z const B = p[X + 1] + Y const BA = p[B] + Z const BB = p[B + 1] + Z return lerp( w, lerp( v, lerp(u, grad(p[AA], x, y, z), grad(p[BA], x - 1, y, z)), lerp(u, grad(p[AB], x, y - 1, z), grad(p[BB], x - 1, y - 1, z)), ), lerp( v, lerp(u, grad(p[AA + 1], x, y, z - 1), grad(p[BA + 1], x - 1, y, z - 1)), lerp(u, grad(p[AB + 1], x, y - 1, z - 1), grad(p[BB + 1], x - 1, y - 1, z - 1)), ), ) }, } } const COLOR_SCHEME = { light: { particle: { color: "rgba(0, 0, 0, 0.07)", }, background: "rgba(255, 255, 255, 0.12)", }, dark: { particle: { color: "rgba(255, 255, 255, 0.07)", }, background: "rgba(0, 0, 0, 0.12)", }, } as const interface Particle { x: number y: number size: number velocity: { x: number; y: number } life: number maxLife: number } export default function ParticlesBackground({ title = "Particles Background", subtitle = "Make your website stand out", particleCount = 2000, noiseIntensity = 0.003, particleSize = { min: 0.5, max: 2 }, className, }: CyberBackgroundProps) { const canvasRef = useRef(null) const noise = createNoise() useEffect(() => { const canvas = canvasRef.current if (!canvas) return const ctx = canvas.getContext("2d", { alpha: true }) if (!ctx) return const resizeCanvas = () => { const container = canvas.parentElement if (!container) return canvas.width = container.clientWidth canvas.height = container.clientHeight } resizeCanvas() const particles: Particle[] = Array.from({ length: particleCount }, () => ({ x: Math.random() * canvas.width, y: Math.random() * canvas.height, size: Math.random() * (particleSize.max - particleSize.min) + particleSize.min, velocity: { x: 0, y: 0 }, life: Math.random() * 100, maxLife: 100 + Math.random() * 50, })) const animate = () => { const isDark = document.documentElement.classList.contains("dark") const scheme = isDark ? COLOR_SCHEME.dark : COLOR_SCHEME.light ctx.fillStyle = isDark ? "rgba(0, 0, 0, 0.1)" : "rgba(255, 255, 255, 0.1)" ctx.fillRect(0, 0, canvas.width, canvas.height) for (const particle of particles) { particle.life += 1 if (particle.life > particle.maxLife) { particle.life = 0 particle.x = Math.random() * canvas.width particle.y = Math.random() * canvas.height } const opacity = Math.sin((particle.life / particle.maxLife) * Math.PI) * 0.15 const n = noise.simplex3(particle.x * noiseIntensity, particle.y * noiseIntensity, Date.now() * 0.0001) const angle = n * Math.PI * 4 particle.velocity.x = Math.cos(angle) * 2 particle.velocity.y = Math.sin(angle) * 2 particle.x += particle.velocity.x particle.y += particle.velocity.y if (particle.x < 0) particle.x = canvas.width if (particle.x > canvas.width) particle.x = 0 if (particle.y < 0) particle.y = canvas.height if (particle.y > canvas.height) particle.y = 0 ctx.fillStyle = isDark ? `rgba(255, 255, 255, ${opacity})` : `rgba(0, 0, 0, ${opacity})` ctx.beginPath() ctx.arc(particle.x, particle.y, particle.size, 0, Math.PI * 2) ctx.fill() } requestAnimationFrame(animate) } animate() const handleResize = () => { resizeCanvas() } window.addEventListener("resize", handleResize) return () => window.removeEventListener("resize", handleResize) }, [particleCount, noiseIntensity, particleSize, noise]) return (

) }

{title}