ProcessingでGenerative art #47

Code

void setup() {
  size(800, 800);
  pixelDensity(2);
  colorMode(HSB, 360, 100, 100, 100);
  noLoop();
}

void draw() {
  drawRect(0, 0, width, height);
    drawCircle(width/2, height/2, 200, 5);
}

void drawCircle(float x, float y, float d, int n) {
  pushMatrix();
  translate(x, y);
  circle(0, 0, d);
  n--;

  if (n > 0) {
    for (float angle = 0; angle < TWO_PI; angle += TWO_PI / 3 ) {
        pushMatrix();
        rotate(angle);
        float len = d*random(1, 2);
        stroke(0);
        line(d/2, 0, len - d*0.3, 0);
        drawCircle(len, 0, d*0.6, n);
        popMatrix();
    }
  }
  popMatrix();
}

void drawRect(float _x, float _y, float _w, float _h) {
  color c1 = color(214, 10, 90);
  color c2 = color(72, 40, 99);
  noStroke();
  for (float s=_w; s>0; s-=1) {
    color c = lerpColor(c1, c2, s/_w);
    fill(c);
    rect(_x, _y, s, _h);
  }
}

void circle(float x_, float y_, float d) {
  pushMatrix();
  translate(x_, y_);
  noStroke();
  fill(random(360), 80, 80);
  ellipse(0, 0, d, d);
  stroke(random(360), 80, 80, 20);
  for (float i = d/2; i > 0; i-=random(1)) {
    for (float theta = radians(random(1)); theta < TWO_PI; theta += radians(random(2))) {
      float x = i * cos(theta);
      float y = i * sin(theta);
      point(x, y);
    }
  }
  popMatrix();
}

void mousePressed() {
  redraw();
}

void keyPressed() {
  if (key == 's')saveFrame("####.png");
}

Happy coding!