20250129

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

 * dailycoding - 20250129 / graphic

 * by E.C.H (Eiichi Ishii)

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

​

let w, g;

let cp = ["#313E4C", "#4E4D5E", "#E1DCB7", "#D4B933", "#EB442F"];

let num = 30;

​

function setup() {

  w = min(windowWidth, windowHeight);

  createCanvas(w, w);

  angleMode(DEGREES);

  rectMode(CENTER);

  noLoop();

​

  g = w / 4;

}

​

function draw() {

  background(255);

  for (let h = 0; h < num; h++) {

    stroke(0);

    strokeWeight(random(1, g / 40));

    noFill();

    bezier(

      random(w),

      random(w),

      random(w),

      random(w),

      random(w),

      random(w),

      random(w),

      random(w)

    );

  }

​

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

    let ady = random(-g, g);

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

      push();

      translate(x, y + ady);

      rotate(random(360));

​

      for (let i = 0; i < 20; i++) {

        let er = random(g / 8, g / 2);

        fill(random(cp));

        noStroke();

        rect(

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

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

          er,

          er / 2

        );

        ellipse(

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

          random(er / 2, g / 2 - er / 2),

          er,

          er

        );

​

        stroke(0);

        noFill();

​

        let z = random(g / 80, g / 10);

​

        for (let i = 0; i < 4; i++) {

          strokeWeight(random(g / 80));

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

          let rr = g / 2;

          rect(random(-z, z), random(-z, z), rr, rr, random([0, rr / 2]));

        }

      }

      pop();

    }

  }

  let rw = w/10;

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

}

​

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

  push();

  randomSeed(4247);

  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();

}