// The Coding Train / Daniel Shiffman

// https://thecodingtrain.com/CodingInTheCabana/002-collatz-conjecture.html

// https://youtu.be/4uU9lZ-HSqA

// https://editor.p5js.org/codingtrain/sketches/qa7RiptE9

​

let spacing;

let radius = 125;

let margin = 96/2; // half inch

​

function setup() {

  createCanvas(96 * 10, 96 * 8, SVG);

  angleMode(DEGREES);

  let margins = margin * 2;

  spacing = ((width - margins) / 3);  

  noLoop();

}

​

function draw() {

  // background(0);

  stroke('gold');

  noFill();

  strokeWeight(1);

  drawRose(spacing - radius, 200, 5, 97);

  drawRose(spacing * 2 - radius, 200, 2, 39);

  drawRose(spacing * 3 - radius, 200, 3, 47);

  drawRose(spacing - radius, 200 + radius * 2, 4, 31);

  drawRose(spacing * 2 - radius, 200 + radius * 2, 6, 71);

  drawRose(spacing * 3 - radius, 200 + radius * 2, 7, 19);

}

​

function drawRose(x, y, n, d){

  push();

  beginShape();

  translate(x,y);

  for (let i = 0; i < 361; i++) {

    let k = i * d;

    let r = radius * sin(n*k);

    let x = r * cos(k);

    let y = r * sin(k);

    vertex(x,y);    

  }

  endShape();

  pop();

}

function mousePressed(){

    save('m roses.svg')

  }