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Programming language: TypeScript
Tags: UI Components     Photo / Image    

react-particle-image alternatives and similar libraries

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README

react-particle-image

Render images as interactive particles

NPM JavaScript Style Guide

react-particles-demo-3

Install

npm install --save react-particle-image

Simple Usage

codesandbox

import * as React from "react";
import ParticleImage, { ParticleOptions } from "react-particle-image";

const particleOptions: ParticleOptions = {
  filter: ({ x, y, image }) => {
    // Get pixel
    const pixel = image.get(x, y);
    // Make a particle for this pixel if blue > 50 (range 0-255)
    return pixel.b > 50;
  },
  color: ({ x, y, image }) => "#61dafb"
};

export default function App() {
  return (
    <ParticleImage
      src={"/react-logo.png"}
      scale={0.75}
      entropy={20}
      maxParticles={4200}
      particleOptions={particleOptions}
    />
  );
}

Complex Usage

codesandbox

import * as React from "react";
import useWindowSize from "@rooks/use-window-size";
import ParticleImage, {
  ParticleOptions,
  Vector,
  forces,
  ParticleForce
} from "react-particle-image";
import "./styles.css";

const particleOptions: ParticleOptions = {
  filter: ({ x, y, image }) => {
    // Get pixel
    const pixel = image.get(x, y);
    // Make a particle for this pixel if blue > 50 (range 0-255)
    return pixel.b > 50;
  },
  color: ({ x, y, image }) => "#61dafb",
  radius: () => Math.random() * 1.5 + 0.5,
  mass: () => 40,
  friction: () => 0.15,
  initialPosition: ({ canvasDimensions }) => {
    return new Vector(canvasDimensions.width / 2, canvasDimensions.height / 2);
  }
};

const motionForce = (x: number, y: number): ParticleForce => {
  return forces.disturbance(x, y, 5);
};

export default function App() {
  const { innerWidth, innerHeight } = useWindowSize();

  return (
    <ParticleImage
      src={"/react-logo.png"}
      width={Number(innerWidth)}
      height={Number(innerHeight)}
      scale={0.75}
      entropy={20}
      maxParticles={4000}
      particleOptions={particleOptions}
      mouseMoveForce={motionForce}
      touchMoveForce={motionForce}
      backgroundColor="#191D1F"
    />
  );
}

Performance Tips

ParticleImage has a target frame rate of 30fps, but with thousands of particles updating positions and repainting 30 times per second, performance can be a problem.

If animations are choppy try:

  • Reducing the number of distinct particle colors (particles of the same color will be batched while painting)
  • Reducing the number of particles (less than 6000 is ideal)
  • Reducing the resolution of the src image.

Here's a codesandbox of a good boy to show what I mean. Note the round function to reduce the number of colors painted on the canvas.

MIT © malerba118