Phone wallpaper sketch 2019-04-12

wallpaper_sketch_2019-04-12.js

// wallpaper sketch 2019-04-12
// by Giampaolo Guiducci
// [email protected]
// https://github.com/gosub
// render with: editor.p5js.org

function setup() {
  var scale = 1;
  createCanvas(1080/scale, 1920/scale);
  colorMode(HSB);
  background(15);
  strokeWeight(7/scale);
  noFill();
  // shape seed
  noiseSeed(964);
  // color seed
  randomSeed(1900);
  
  var ydivisions = 30;
  var xdivisions = 7;
  var ystep = height/ydivisions;
  var starthue = random(360);
  var stophue =  random(360);
  var stephue = (stophue-starthue)/ydivisions;

  var hue = starthue;
  for(var starty=ystep*2; starty<height-ystep*2; starty += ystep) {
    startx = width/10;
    length = width-startx*2;
    stroke(hue, 80, 70);

    beginShape();
    curveVertex(startx, starty);
    curveVertex(startx, starty);
    for(var i=1; i<xdivisions-1; i++){
      var x = startx+(length/(xdivisions-1))*i;
      var y = starty;
      var noiz = noise(width/x, starty/height) - 0.5;
      y += noiz * ystep*4;
      curveVertex(x, y);
    }
    curveVertex(startx+length, starty);
    curveVertex(startx+length, starty);
    endShape();

    hue += stephue;
  }
  save("wallpaper_sketch_2019-04-12.png");
}