20250109

/***********************************

 * dailycoding - 20250109 / graphic

 * by E.C.H (Eiichi Ishii)

 ***********************************/

​

let w, g;

let cp = ["#222338", "#37816B", "#DAC791", "#E98C12", "#DA2E06"];

​

function setup() {

  w = min(windowWidth, windowHeight);

  createCanvas(w, w);

  angleMode(DEGREES);

  rectMode(CENTER);

  noLoop();

​

  g = w / 5;

}

​

function draw() {

  background(255);

​

  for (let y = g / 4; y <= w - g / 4; y += g / 2) {

    let adx = random(-g / 2, g / 2);

    let sw = int(random(1, 4));

    for (let x = -g * 2; x <= w + g * 2; x += g) {

      push();

      translate(x + adx, y);

      if (int(random(sw)) == 0) {

        rotate(random(360));

      }

​

      noStroke();

      for (let j = 0; j < 30; j++) {

        let r = random(g / 8, g);

        fill(random([random([0, 255]), random(cp)]));

        ellipse(

          random(-g / 2 + r / 2, g / 2 - r / 2),

          random(-g / 2 + r / 2, g / 2 - r / 2),

          r,

          r / 2

        );

      }

​

      stroke(random([0, 255]));

      let lr = random(1, g / 20);

      strokeWeight(lr);

      noFill();

​

      bezier(

        -g / 2 + lr,

        random(-g / 4, g / 4),

        -g / 4,

        random(-g / 4, g / 4),

        g / 4,

        random(-g / 4, g / 4),

        g / 2 - lr,

        random(-g / 4, g / 4)

      );

​

      pop();

    }

  }

​

  let rw = w/10;

  rakkan(rw/2.5, w-rw/1.25, rw, 0);

}

​

function rakkan(posx, posy, r, csw) {

  push();

  randomSeed(3886);

  translate(posx, posy);

  rectMode(CENTER);

  let nr = r / 2.5;

  let lr = r / 20;

​

  if (csw == 0) {

    fill("#e2041b");

    noStroke();

  } else if (csw == 1) {

    noFill();

    stroke("#e2041b");

    strokeWeight(lr / 4);

  }

​

  rect(0, 0, r / 1.4, r * 1.5, r / 5);

​

  if (csw == 0) {

    stroke(255);

  } else if (csw == 1) {

    fill(255);

    stroke("#e2041b");

  }

  strokeWeight(lr / 1.5);

  noFill();

​

  for (let i = 0; i < 10; i++) {

    let z = random(lr / 20, lr / 2);

    push();

    push();

    translate(0, -nr);

    beginShape();

    vertex(nr / 2 + random(-z, z), -nr / 2 + random(-z, z));

    vertex(random(-z, z), -nr / 2 + random(-z, z));

    vertex(-nr / 2 + random(-z, z), random(-z, z));

    vertex(random(-z, z), nr / 2 + random(-z, z));

    vertex(nr / 2 + random(-z, z), nr / 2 + random(-z, z));

    endShape();

​

    beginShape();

    vertex(-nr / 2 + random(-z, z), random(-z, z));

    vertex(nr / 2 + random(-z, z), random(-z, z));

    endShape();

    pop();

​

    push();

    translate(0, 0);

    beginShape();

    vertex(nr / 2 + random(-z, z), -nr / 2 + random(-z, z));

    vertex(random(-z, z), -nr / 2 + random(-z, z));

    vertex(-nr / 2 + random(-z, z), random(-z, z));

    vertex(random(-z, z), nr / 2 + random(-z, z));

    vertex(nr / 2 + random(-z, z), nr / 2 + random(-z, z));

    endShape();

​

    strokeWeight(lr / 3);

    beginShape();

    vertex(nr / 2 + random(-z, z), -nr / 2 + random(-z, z));

    vertex(-nr / 2 + random(-z, z), nr / 2 + random(-z, z));

    endShape();

    pop();

​

    push();

    translate(0, nr);

    beginShape();

    vertex(-nr / 2 + random(-z, z), -nr / 2 + random(-z, z));

    vertex(-nr / 2 + random(-z, z), nr / 2 + random(-z, z));

    endShape();

​

    beginShape();

    vertex(nr / 2 + random(-z, z), -nr / 2 + random(-z, z));

    vertex(nr / 2 + random(-z, z), nr / 2 + random(-z, z));

    endShape();

​

    beginShape();

    vertex(-nr / 2 + random(-z, z), random(-z, z));

    vertex(nr / 2 + random(-z, z), random(-z, z));

    endShape();

​

    strokeWeight(lr / 3);

​

    beginShape();

    vertex(nr / 2 + random(-z, z), -nr / 2 + random(-z, z));

    vertex(-nr / 2 + random(-z, z), nr / 2 + random(-z, z));

    endShape();

    pop();

    pop();

  }

  pop();

}

​

function keyPressed() {

  redraw();

}