Burst graphics

Amber Corona

Eighteen nodes at the lowest Randomness value give a tight ring of narrow spikes around a small amber core.

soliddenseirregularwarm

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SVG file

Seed 5353 · 18 nodes · randomness 2

Code

Copy the code.

SVG markup
<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 500 500" width="100%"><path d="M342,271Q365,292,334,293Q303,294,333.5,371Q364,448,318.5,414.5Q273,381,243.5,416.5Q214,452,179.5,442.5Q145,433,136.5,392.5Q128,352,112,329Q96,306,49.5,278Q3,250,65.5,228Q128,206,151.5,196.5Q175,187,193,184.5Q211,182,225.5,188.5Q240,195,262.5,122Q285,49,286,117Q287,185,348,150.5Q409,116,398.5,158Q388,200,353.5,225Q319,250,342,271Z" fill="#f59e0b"/></svg>
CSS clip-path
.blob {
  width: 500px;
  height: 500px;
  clip-path: path("M342,271Q365,292,334,293Q303,294,333.5,371Q364,448,318.5,414.5Q273,381,243.5,416.5Q214,452,179.5,442.5Q145,433,136.5,392.5Q128,352,112,329Q96,306,49.5,278Q3,250,65.5,228Q128,206,151.5,196.5Q175,187,193,184.5Q211,182,225.5,188.5Q240,195,262.5,122Q285,49,286,117Q287,185,348,150.5Q409,116,398.5,158Q388,200,353.5,225Q319,250,342,271Z");
}
React component
/**
 * Blob — generated by blobs.app.
 *
 * Drop this file into your project and render <Blob /> anywhere.
 */
import { useId } from 'react';

export interface BlobProps {
  /** Rendered width and height. A number is treated as px. Defaults to 100%. */
  size?: number | string;
  /** Class name for the root svg element. */
  className?: string;
  /** Accessible name. Without it the graphic is hidden from assistive tech. */
  title?: string;
}

export function Blob({ size = '100%', className, title }: BlobProps) {
  // Unique per instance, so two blobs on one page never share a def id.
  const uid = useId().replace(/[^a-zA-Z0-9]/g, '');
  const titleId = `blob-title-${uid}`;

  return (
    <svg
      xmlns="http://www.w3.org/2000/svg"
      viewBox="0 0 500 500"
      width={size}
      height={size}
      className={className}
      role={title ? 'img' : undefined}
      aria-labelledby={title ? titleId : undefined}
      aria-hidden={title ? undefined : true}
    >
      {title ? <title id={titleId}>{title}</title> : null}
      <path
        d="M342,271Q365,292,334,293Q303,294,333.5,371Q364,448,318.5,414.5Q273,381,243.5,416.5Q214,452,179.5,442.5Q145,433,136.5,392.5Q128,352,112,329Q96,306,49.5,278Q3,250,65.5,228Q128,206,151.5,196.5Q175,187,193,184.5Q211,182,225.5,188.5Q240,195,262.5,122Q285,49,286,117Q287,185,348,150.5Q409,116,398.5,158Q388,200,353.5,225Q319,250,342,271Z"
        fill="#f59e0b"
      />
    </svg>
  );
}

export default Blob;
Flutter painter
// Generated by blobs.app.
//
// Paint the blob:
//   CustomPaint(painter: BlobPainter(), size: const Size(300, 300))
//
// Or clip a widget to it:
//   ClipPath(clipper: BlobClipper(), child: child)

import 'dart:ui' as ui;

import 'package:flutter/material.dart';

/// The blob outline, scaled from its 500x500 design space to [size].
Path buildBlobPath(Size size) {
  final double sx = size.width / 500.0;
  final double sy = size.height / 500.0;
  final Path path = Path();
  path.moveTo(342.0 * sx, 271.0 * sy);
  path.quadraticBezierTo(365.0 * sx, 292.0 * sy, 334.0 * sx, 293.0 * sy);
  path.quadraticBezierTo(303.0 * sx, 294.0 * sy, 333.5 * sx, 371.0 * sy);
  path.quadraticBezierTo(364.0 * sx, 448.0 * sy, 318.5 * sx, 414.5 * sy);
  path.quadraticBezierTo(273.0 * sx, 381.0 * sy, 243.5 * sx, 416.5 * sy);
  path.quadraticBezierTo(214.0 * sx, 452.0 * sy, 179.5 * sx, 442.5 * sy);
  path.quadraticBezierTo(145.0 * sx, 433.0 * sy, 136.5 * sx, 392.5 * sy);
  path.quadraticBezierTo(128.0 * sx, 352.0 * sy, 112.0 * sx, 329.0 * sy);
  path.quadraticBezierTo(96.0 * sx, 306.0 * sy, 49.5 * sx, 278.0 * sy);
  path.quadraticBezierTo(3.0 * sx, 250.0 * sy, 65.5 * sx, 228.0 * sy);
  path.quadraticBezierTo(128.0 * sx, 206.0 * sy, 151.5 * sx, 196.5 * sy);
  path.quadraticBezierTo(175.0 * sx, 187.0 * sy, 193.0 * sx, 184.5 * sy);
  path.quadraticBezierTo(211.0 * sx, 182.0 * sy, 225.5 * sx, 188.5 * sy);
  path.quadraticBezierTo(240.0 * sx, 195.0 * sy, 262.5 * sx, 122.0 * sy);
  path.quadraticBezierTo(285.0 * sx, 49.0 * sy, 286.0 * sx, 117.0 * sy);
  path.quadraticBezierTo(287.0 * sx, 185.0 * sy, 348.0 * sx, 150.5 * sy);
  path.quadraticBezierTo(409.0 * sx, 116.0 * sy, 398.5 * sx, 158.0 * sy);
  path.quadraticBezierTo(388.0 * sx, 200.0 * sy, 353.5 * sx, 225.0 * sy);
  path.quadraticBezierTo(319.0 * sx, 250.0 * sy, 342.0 * sx, 271.0 * sy);
  path.close();
  return path;
}

class BlobPainter extends CustomPainter {
  const BlobPainter();

  @override
  void paint(Canvas canvas, Size size) {
    final Path path = buildBlobPath(size);
    final Paint paint = Paint()
      ..isAntiAlias = true
      ..color = const Color(0xFFF59E0B);
    canvas.drawPath(path, paint);
  }

  @override
  bool shouldRepaint(covariant BlobPainter oldDelegate) => false;
}

/// Clips any widget to the same shape: ClipPath(clipper: BlobClipper(), ...).
class BlobClipper extends CustomClipper<Path> {
  const BlobClipper();

  @override
  Path getClip(Size size) => buildBlobPath(size);

  @override
  bool shouldReclip(covariant CustomClipper<Path> oldClipper) => false;
}

Shapes

Shapes like this one