mattdesl

const Web3 = require("web3");
const BN = Web3.utils.BN;

(async () => {
  const network = "mainnet";
  const web3 = new Web3(
    new Web3.providers.HttpProvider(
      `https://${network}.infura.io/v3/${process.env.INFURA_API_KEY}`
    )
  );

kylemcdonald

aminzabardast

import numpy as np
import re
import sys

'''
Read a PFM file into a Numpy array. Note that it will have
a shape of H x W, not W x H. Returns a tuple containing the
loaded image and the scale factor from the file.
'''
def read_pfm(file):

vlasky

//JavaScript implementation of winding number algorithm to determine whether a point is inside a polygon
//Based on C++ implementation of wn_PnPoly() published on http://geomalgorithms.com/a03-_inclusion.html

function pointInPolygon(point, vs) {
  const x = point[0], y = point[1];
  let wn = 0;

  for (let i = 0, j = vs.length - 1; i < vs.length; j = i++) {
    let xi = vs[i][0], yi = vs[i][1];
    let xj = vs[j][0], yj = vs[j][1];

ayamflow

var cameraZ = camera.position.z;
var planeZ = 5;
var distance = cameraZ - planeZ;
var aspect = viewWidth / viewHeight;
var vFov = camera.fov * Math.PI / 180;
var planeHeightAtDistance = 2 * Math.tan(vFov / 2) * distance;
var planeWidthAtDistance = planeHeightAtDistance * aspect;

// or

dmnsgn

A non-exhaustive list of WebGL and WebGPU frameworks and libraries. It is mostly for learning purposes as some of the libraries listed are wip/outdated/not maintained anymore.

Engines and libraries

Name	Stars	Last Commit	Description
three.js	![GitHub Rep

roboshoes

export function tween( time, update ) {
    const start = Date.now();

    var isCanceled = false;
    var isComplete = false;

    var chain = [];

    function loop() {
        if ( isCanceled ) return;

ayamflow

// Add on element with overflow
-webkit-mask-image: -webkit-radial-gradient(white, black);

gordonbrander

export const Spring = (x, y, mass, stiffness, viscosity) => ({
  prevX: x,
  prevY: y, 
  currX: x,
  currY: y,
  mass, stiffness, viscosity
});

Spring.copy = (spring) => ({
  prevX: spring.prevX,

protrolium

ffmpeg

Converting Audio into Different Formats / Sample Rates

Minimal example: transcode from MP3 to WMA:
ffmpeg -i input.mp3 output.wma

You can get the list of supported formats with:
ffmpeg -formats

You can get the list of installed codecs with: