// Daniel Shiffman

// https://thecodingtrain.com/CodingChallenges/129-koch-snowflake.html

// https://youtu.be/X8bXDKqMsXE

​

let segments = [];

​

function addAll(arr, list) {

  for (let s of arr) {

    list.push(s);

  }

}

​

function setup() {

  createCanvas(600, 800);

  let a = createVector(0, 100);

  let b = createVector(600, 100);

  let s1 = new Segment(a, b);

​

  let len = p5.Vector.dist(a, b);

  let h = len * sqrt(3) / 2;

  let c = createVector(300, 100+h);

  let s2 = new Segment(b, c);

  let s3 = new Segment(c, a);

  segments.push(s1);

  segments.push(s2);

  segments.push(s3);

​

  //println(children);

}

​

function mousePressed() {

  let nextGeneration = [];

​

  for (let s of segments) {

    let children = s.generate();

    addAll(children, nextGeneration);

  }

  segments = nextGeneration;

}

​

​

function draw() {

  background(0);

  translate(0, 100);

​

  stroke(255);

  for (let s of segments) {

    s.show();

  }

}

​