220101a

const w = 720;

const N = 10000;

​

function setup() {

  createCanvas(w, w);

  colorMode(HSB);

  noLoop();

​

  let n = 3;

  let r = w/4;

  let pos = [w/2, w/2];

  let rot = random(TAU);

​

  let color_pat = [ ["#F6D7A7", "#F6EABE", "#C8E3D4", "#87AAAA"],

                ["#040303", "#461111", "#A13333", "#B3541E"] ];

  let colors = random(color_pat);

  background(random(colors));

  fill(0,0.7);

  rect(0,0,w*1.1);

  noFill();

  for(let i=0;i<N;i++){

    strokeWeight(random(1, 3));

    stroke(random(colors) );

​

    let point = [];

    for(let j=0;j<n;j++){

      point.push(r*cos(TAU/n*j), r*sin(TAU/n*j));

    }

​

    push();

    translate(...pos);

    rotate(rot);

    triangle(...point);

    pop();

​

    r += random(-1,1)*5;

    pos[0] += random(-1,1);

    pos[1] += random(-1,1);

    rot += random(-1,1)*0.05;

  }

​

}

​

//save PNG

function keyPressed() {

  save("img_" + month() + day() + hour() + minute() + second() + ".png");

}