Números aleatórios

int points= 35000;

void setup() {
  size(500, 500);
  colorMode(HSB);
  background(0);
}

void draw() {
  if (frameCount < points) {
    stroke(map(frameCount, 0, points -1, 0, 255), 255, 255);
    ellipse(random(width), random(height), 1, 1);
  } else if (frameCount == points) {
    saveFrame("Random.png");
  } else {
    loadPixels();
    for (int i = 0; i < pixels.length - width; i++) {
      if (pixels[i + width] == color(0)) {
        pixels[i + width] = pixels[i];
        pixels[i] = color(0);
      }
    }
    updatePixels();
  }
}

void mouseClicked() {
  saveFrame("Distribuição.png");
}

int points= 35000;

void setup() {
  size(500, 500);
  colorMode(HSB);
  background(0);
}

void draw() {
  if (frameCount < points) {
    stroke(map(frameCount, 0, points -1, 0, 255), 255, 255);
    float r = random(min(width, height)/2);
    float a = random(TAU);
    ellipse(width/2 + cos(a) * r, height/2 + sin(a) * r, 1, 1);
  } else if (frameCount == points) {
    saveFrame("Random.png");
  } else {
    loadPixels();
    for (int i = 0; i < pixels.length - width; i++) {
      if (pixels[i + width] == color(0)) {
        pixels[i + width] = pixels[i];
        pixels[i] = color(0);
      }
    }
    updatePixels();
  }
}

void mouseClicked() {
  saveFrame("Distribuição.png");
}

int points= 35000;

void setup() {
  size(500, 500);
  colorMode(HSB);
  background(0);
}
void draw() {
  if (frameCount < points) {
    stroke(map(frameCount, 0, points -1, 0, 255), 255, 255);
    boolean test = false;
    float x = 0;
    float y = 0;
    while (!test) {
      x = random(width);
      y = random(height);
      test = (dist(x, y, width/2, height/2) < min(width, height)/2);
    }
    ellipse(x, y, 1, 1);
  } else if (frameCount == points) {
    saveFrame("Random.png");
  } else {
    loadPixels();
    for (int i = 0; i < pixels.length - width; i++) {
      if (pixels[i + width] == color(0)) {
        pixels[i + width] = pixels[i];
        pixels[i] = color(0);
      }
    }
    updatePixels();
  }
}

void mouseClicked() {
  saveFrame("Distribuição.png");
}

float dist(int x1, int y1, int x2, int y2) {
  return sqrt((x1-x2)*(x1-x2)+(y1-y2)*(y1-y2));
}