shiffman

let stars = [];
let factor = 100;
let speedSlider;

function setup() {
  createCanvas(windowWidth, windowHeight);
  speedSlider = createSlider(0, 20, 2, 0.1);
  for (let i = 0; i < 500; i++) {
    stars[i] = createVector(
      random(-width*factor,width*factor), 

shiffman

Coding Train 2024 Goals (as of May 29, 2024)

• Nature of Code Additional videos (as challenges?)
  • Elastic Collisions (Chapter 6 reference)
  • Exercise 5.8 - image flow field
  • Exercise 5.13 - group path following
  • Dragon Curve (unfoloding) - chapter 8
  • Exercise 8.9 and 8.10 - animating / physics trees?
  • Slime Mold (related to chapter 5?)
• ml5.js new tutorials

shiffman

10 REM POKE 230,32 :  REM page 1
20 REM POKE 230,64  : REM page 2
30 REM POKE 49236,0 : REM display page 1
40 REM POKE 49237,0 : REM display page 2

100 HGR:HGR2
105 W = 140 : H = 90 : SL = 50
110 TH = 0 
120 SCR = 0
125 GOSUB 1000

shiffman

function setup() {
  createCanvas(400, 400);
  
  const url = 'https://www.random.org/integers/?num=10&min=2&max=1316&col=1&base=10&format=plain&rnd=new';
  loadStrings(url, gotData);

  function gotData(data) {
    console.log(data);
  }
}

shiffman

Falling Sand
K-d Tree
Fast Blur
Slime Mold
Spider Web
K-means
image stippling
Wave collapse function
Skyline Viz
Dancing Skeleton

shiffman

function setup() {
  noCanvas();
  let button = createButton('start');
  button.mousePressed(function() {
    let speech = new p5.Speech();
    let speechRec = new p5.SpeechRec('en-US', gotSpeech);
    let continuous = true;
    let interim = false;
    speechRec.start(continuous, interim);

shiffman

Guide for pushing p5.js sketch folder to a new GitHub repo

If you have never used git before on your computer!

$ git config --global user.name username
$ git config --global user.email [email protected]

Commands once you create a empty repo ("skip this step") on GitHub

shiffman

import java.math.BigDecimal;
import java.math.BigInteger;
import java.math.MathContext;

int digits = 11;
MathContext mc = new MathContext(digits*digits + 1);
BigDecimal c = new BigDecimal(0.25);
BigDecimal hundred = new BigDecimal(100);
BigDecimal e = BigDecimal.ONE.divide(hundred.pow(digits-1), mc);
BigDecimal z = BigDecimal.ZERO;

shiffman

// Without Promises
setTimeout(function() {
  console.log('first thing');
  setTimeout(function() {
    console.log('then second');
    setTimeout(function() {
      console.log('and now the third')
    }, 1000);
  }, 1000)
}, 1000);

shiffman

function pickOne(list) {
  var index = -1;
  var r = random(1);
  while (r > 0) {
    index++;
    r = r - list[index].prob;
  }
  return list[index];
}