ProcessingでGenerative art #40

今まで作ったものを組み合わせました。

Code

ArrayList <PVector> circles;
color red;

void setup() {
  size(800, 500);
  pixelDensity(2);
  colorMode(HSB, 360, 100, 100, 100);
  noLoop();
  red = color(#F24E4E);
}

void draw() {
  background(360);
  pushMatrix();
  translate(width*0.5, height*0.5);
  rotate(radians(28));
  divideRect(-width*0.75, -height*0.8, width*1.5, height*1.7, 15);
  popMatrix();
  
  strokeWeight(0.5);
  circles = new ArrayList <PVector>();
  addCircle();
  for (int i = 0; i < circles.size(); i ++) {
    PVector c = circles.get(i);
    drawCircle(c.x, c.y, c.z);
  }
}

void drawCircle(float _x, float _y, float d) {
  pushMatrix();
  translate(_x, _y);

  noStroke();
  float h = random(200, 250);
  color c1= color(h, 100, 50);
  color c2= color(h, 2, 90, 0);
  for (float l = d; l > 0; l-=2) {
    color c = lerpColor(c1, c2, l / d);
    fill(c);
    ellipse(0, 0, l, l);
  }

  for (int i = int(random(50)); i < d; i+= random(100)) {
    noFill();
    stroke(random(1) > 0.5 ? 0 : red);
    if (random(1)>0.5) {
      ellipse(0, 0, i, i);
    } else {
      float start = random(PI);
      float stop = start + random(PI*2);
      arc(0, 0, i, i, start, stop);
    }

    for (int j = 0; j < int(random(15)); j++) {
      rotate(random(PI*2));
      float len = random(1);
      if (len > 0.7) {
        line(0, 0, i/2, 0);
      } else if (len > 0.6) {
        line(i / 6, 0, i/2, 0);
      } else if (len > 0.5) {
        line(random(d/2), 0, d/2, 0);
      }

      noStroke();
      fill(random(1) > 0.5 ? 0 : red);
      float dot = random(10);
      ellipse(i/2, 0, dot, dot);
    }
  }
  popMatrix();
}

void addCircle() {
  while (circles.size() < 30) {
    float d = random(30, 400);
    PVector pos = new PVector(random(width), random(height), d);
    boolean overlapping = false;
    for (PVector c : circles) {
      if (dist(pos.x, pos.y, c.x, c.y) < (pos.z + c.z)/2) {
        overlapping = true;
        break;
      }
    }
    if (!overlapping) {
      circles.add(pos);
    }
  }
}

void divideRect(float x, float y, float w, float h, int n) {
  float randw = map(randomGaussian(), -3, 3, 0, w); 
  float randh = map(randomGaussian(), -3, 3, 0, h);
  strokeWeight(1);
  stroke(0);
  if (n>0) {
    n--;
    if (w>h) {
      line(x+randw, y, x+randw, y+h);
      divideRect(x, y, randw, h, n-1);
      divideRect(x+randw, y, w-randw, h, n-1);
    }
    if (w<h) {
      line(x, y+randh, x+w, y+randh);
      divideRect(x, y, w, randh, n-1);
      divideRect(x, y+randh, w, h-randh, n-1);
    }
  }
}

void mousePressed() {
  redraw();
}

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