ProcessingでGenerative art #90

Code

int actRandomSeed = 0;

void setup() {
  size(800, 800, P2D);
  pixelDensity(2);
  colorMode(HSB, 360, 100, 100, 100);
}

void draw() {
  randomSeed(actRandomSeed);
  background(0);
  tile();
}

void tile() {
  int tileCount = int(random(4, 12));
  float rectSize = width/tileCount;

  for (int j = 0; j < tileCount; j++) {
    for (int i = 0; i < tileCount; i++) {
      rectMode(CORNER);
      noFill();
      stroke(0);
      strokeWeight(2);
      square(i*rectSize, j*rectSize, rectSize);
      if (random(1) > 0.5) {
        gradationRect(i*rectSize + rectSize/2, j*rectSize + rectSize/2, rectSize, rectSize);
      }
      if (random(1) > 0.5) {
        strokeWeight(1);
        circle(i*rectSize + rectSize/2, j*rectSize + rectSize/2, rectSize);
      }
      if (random(1) > 0.5) {
        rects(i*rectSize, j*rectSize, rectSize);
      }
    }
  }
}

void rects(float x, float y, float size) {
  pushMatrix();
  translate(x, y);
  rectMode(CENTER);
  strokeWeight(0.5);
  noFill();
  float count = int(random(3, 7));
  float rectSize = size/count;
  float sRectSize = rectSize*random(0.5, 1);
  for (float j = 0; j < count; j++) {
    for (float i =0; i < count; i++) {
      gradationRect(i * rectSize + rectSize/2, j * rectSize + rectSize/2, sRectSize, sRectSize);
    }
  }
  popMatrix();
}

void gradationRect(float x, float y, float w_, float h_) {
  //rectMode(CENTER);
  float cw = w_/2;
  float ch = h_/2;
  push();
  fill(Randomcol());
  if (random(1) > 3.0/4.0) {
    beginShape();
    vertex(x-cw, y-ch);
    vertex(x+cw, y-ch);
    fill(360);
    vertex(x+cw, y+ch);
    vertex(x-cw, y+ch);
    endShape(CLOSE);
  } else if (random(1) > 2.0/4.0) {
    beginShape();
    vertex(x-cw, y+ch);
    vertex(x-cw, y-ch);
    fill(360);
    vertex(x+cw, y-ch);
    vertex(x+cw, y+ch);
    endShape(CLOSE);
  } else if (random(1) > 1.0/4.0) {
    beginShape();
    vertex(x+cw, y-ch);
    vertex(x+cw, y+ch);
    fill(360);
    vertex(x-cw, y+ch);
    vertex(x-cw, y-ch);
    endShape(CLOSE);
  } else {
    beginShape();
    vertex(x+cw, y+ch);
    vertex(x-cw, y+ch);
    fill(360);
    vertex(x-cw, y-ch);
    vertex(x+cw, y-ch);
    endShape(CLOSE);
  }
  pop();
}

void circle(float x, float y, float diameter) {
  float radius = diameter/2;
  color col1 = Randomcol();
  pushMatrix();
  translate(x, y);
  rotate(random(PI));
  beginShape();
  fill(Randomcol());
  for (float theta = 0; theta <= TWO_PI; theta += radians(1)) {
    float posX = radius * cos(theta);
    float posY = radius * sin(theta);
    if (theta > TWO_PI/2) {
      fill(col1);
    } 
    vertex(posX, posY);
  }
  endShape();
  popMatrix();
}

int colors[] = {#FF27BF, #0DF9FF, #FEFF03, #FF0303};
int Randomcol() {
  return colors[int(random(colors.length))];
}

void mousePressed() {
  actRandomSeed = (int)random(100000);
}

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

Happy coding!!