220129a

​

function setup() {

  createCanvas(w=720, w)

  N = 8;

​

  let color_pat = "3ec1d3f6f7d7ff9a00ff165d"

                + "00ead3fff5b7ff449f005f99"

                + "f38181fce38aeaffd095e1d3";

  let colors = [];

  for(let i=0;i<color_pat.length/6;i++){

    colors.push("#"+color_pat.slice(i*6,i*6+6));

  }

​

  colors = shuffle(colors);

​

  colorMode(HSB);

​

  background(colors[0]);

  fill(255);

​

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

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

     colors = shuffle(colors);

     let colorset = [colors[0], colors[1], colors[2]]

​

     push();

     translate(w/N*(i+0.5), w/N*(j+0.5));

     pers_3circle(w/N/(3/sqrt(2)), colorset);

     pop();

    }

  }

}

​

function pers_3circle(l, col){

  let r = l/sqrt(2)

  let rp = r*sqrt(3);

  let x = l/4*sqrt(3);

  let y = l/4*3;

​

  strokeWeight(l/16)

  push();

  translate(0, -y/2);

  fill(col[0]);

  ellipse(0, 0, rp, r);

  face(l);

  pop();

​

  push();

  translate(x, y/2);

  rotate(-PI/3);

  fill(col[1]);

  ellipse(0, 0, rp, r);

  face(l);

  pop();

​

  push();

  translate(-x, y/2);

  rotate(PI/3);

  fill(col[2]);

  ellipse(0, 0, rp, r);

  face(l);

  pop();

}

​

function face(l){

  let size = l*0.8

  push();

  fill("#000000");

  ellipse(size/8*2, -size/10, size/14);

  ellipse(-size/8, -size/10, size/14);

  fill(0,0);

  arc(size/8, size/20, size/10*1.25, size/10, -PI/2*1.25, PI/2*1.25);

  arc(size/8*0.6, size/16*3.5, size/4, size/10, 0, PI);

  pop();

}

​

//save PNG

function keyPressed() {

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

}