ProcessingでGenerative art #79

lineは全部print(mouseX, mouseY)で座標を調べて打ちました。

Code

int count = 20;
Circle[] circles = new Circle[count];
color[] col = new color[count];
int[] smalCircleDimeter = new int[count];
float largeCircleDiameter = 700;
int largeCircleStrokeW = 30;

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

  for (int i = 0; i < count; i ++) {
    smalCircleDimeter[i] = (int)random(map(i, 0, count, 350, 10));
    circles[i] = new Circle(smalCircleDimeter[i]);
    if (i >= count - 3) {
      col[i] = color(0);
    } else {
      col[i] = color(random(360), 80, 80, random(50, 100));
    }
  }
}

void draw() {
  background(58, 10, 91);

  noStroke();
  fill(40, 36, 95, 80);
  triangle(-200, height, 100, height + 100, width + 10, -10);
  fill(175, 52, 78);
  triangle(width, height - 20, width, height - 300, 0, - 200);

  stroke(0);
  strokeWeight(largeCircleStrokeW);
  noFill();
  ellipse(width/2, height/2, largeCircleDiameter, largeCircleDiameter);

  stroke(0);
  for (int i = 0; i < count; i ++) {
    fill(col[i]);
    circles[i].run();
  }

  drawLine();
}

void drawLine() {
  stroke(0);
  strokeWeight(1);
  line(163, 223, 645, 305);
  line(102, 456, 677, 554);
  line(595, 169, 297, 679);
  line(607, 207, 547, 652);
  line(618, 284, 611, 586);
  line(142, 489, 582, 634);
  line(427, 183, 166, 540);
  line(226, 200, 660, 508);
  line(375, 658, 228, 670);
  line(262, 637, 374, 717);
  line(414, 238, 387, 208);
  line(430, 228, 397, 189);
  line(613, 324, 649, 326);
  line(613, 343, 657, 347);
  line(133, 520, 653, 573);
  line(596, 210, 531, 643);
  line(580, 224, 509, 627);
  line(590, 606, 502, 651);
  line(503, 634, 579, 594);
  line(497, 619, 565, 585);
  line(678, 530, 106, 430);
  line(127, 479, 131, 400);
  line(134, 477, 147, 407);
  line(187, 484, 200, 432);
}

void mousePressed() {
  for (int i = 0; i < count; i ++) {
    smalCircleDimeter[i] = (int)random(map(i, 0, count, 350, 10));
    circles[i] = new Circle(smalCircleDimeter[i]);
    if (i >= count - 3) {
      col[i] = color(0);
    } else {
      col[i] = color(random(360), 80, 80, random(50, 100));
    }
  }
}

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

//----------------------------------------------------------------

class Circle {
  PVector postion;
  PVector velocity ;
  int diameter;
  int strokeW;

  Circle(int d) {
    postion = new PVector(width/2, height/2);
    velocity = new PVector(random(-3, 3), random(-3, 3));
    diameter = d;
    strokeW = (int)random(1, 5);
    
  }

  void run() {
    display();
    move();
    checkHit();
  }

  void display() {
    strokeWeight(strokeW);
    ellipse(postion.x, postion.y, diameter, diameter);
  }

  void move() {
    postion.add(velocity);
  }

  void checkHit() {
    if (dist(postion.x, postion.y, width/2, height/2) > (largeCircleDiameter - diameter - largeCircleStrokeW)/2) {
      velocity.mult(random(-1, -2));
    }
  }
}

Happy coding!