21st

Background Snippets Noise effect11

Backgrounds 25

About

Here is Background Snippets Noise effect component

Built with React and Tailwind. Copy the prompt and paste it into Claude Code, Cursor or Lovable: your agent adds Background Snippets Noise effect11 to your project and fits it to your theme.

Code

How Background Snippets Noise effect11 is used: the demo's code. The component's own source comes with a free account.

Usage.tsx

import React, { useRef, useEffect } from "react";

const Noise: React.FC<{ patternRefreshInterval?: number; patternAlpha?: number }> = ({ patternRefreshInterval = 2, patternAlpha = 15 }) => {
  const ref = useRef<HTMLCanvasElement | null>(null);
  useEffect(() => {
    const c=ref.current;if(!c)return;const ctx=c.getContext("2d",{alpha:true});if(!ctx)return;
    let f=0,id=0,S=1024;
    const resize=()=>{c.width=S;c.height=S;c.style.width="100vw";c.style.height="100vh";};
    const draw=()=>{const img=ctx.createImageData(S,S);const d=img.data;for(let i=0;i<d.length;i+=4){const v=Math.random()*255;d[i]=v;d[i+1]=v;d[i+2]=v;d[i+3]=patternAlpha;}ctx.putImageData(img,0,0);};
    const loop=()=>{if(f%patternRefreshInterval===0)draw();f++;id=requestAnimationFrame(loop);};
    addEventListener("resize",resize);resize();loop();return()=>{removeEventListener("resize",resize);cancelAnimationFrame(id);};
  },[patternRefreshInterval,patternAlpha]);
  return <canvas ref={ref} className="pointer-events-none absolute inset-0" style={{ imageRendering:"pixelated" }}/>;
};

export default function Component() {
  return (
    <div className="fixed inset-0 -z-10 bg-neutral-950">
      <div className="absolute inset-0 bg-[radial-gradient(circle_600px_at_50%_180px,rgba(168,85,247,0.33),transparent_70%)]" />
      <div className="pointer-events-none absolute inset-0 bg-[linear-gradient(to_right,#64748b29_1px,transparent_1px),linear-gradient(to_bottom,#64748b29_1px,transparent_1px)] bg-[size:22px_24px]" />
      <Noise patternAlpha={16}/>
    </div>
  );
}

More by 21st

View all
  • Futuristic Hero

    Futuristic Hero

    2.7K
  • Hero ASCII one

    Hero ASCII one

    1.4K
  • Hero ASCII

    Hero ASCII

    1.3K
  • Admit One Ticket

    Admit One Ticket

    1K
  • Navigation Menu

    Navigation Menu

    933
  • Border Beam

    Border Beam

    932
  • Border Beam Search

    Border Beam Search

    575
  • Thinking Orbs

    Thinking Orbs

    453

More in Backgrounds

View all
  • Elegant Dark Pattern

    Elegant Dark Pattern

    846
  • Gradient Backgrounds

    Gradient Backgrounds

    26
  • Tailwind CSS Background Snippet

    Tailwind CSS Background Snippet

    552
  • Background snippets

    Background snippets

    18
  • LivingOrigami bg

    LivingOrigami bg

    144
  • Gradient Blur Bg

    Gradient Blur Bg

    28
  • Background Components

    Background Components

    45
  • Light theme Tailwind CSS Background Snippet

    Light theme Tailwind CSS Background Snippet

    229