chaos game

void setup() {

  size(500, 500);

}

​

float x = 50;

float y = 450;

​

int cPoint;

int oldC;

​

void draw() {

​

  // points

  fill(255);

  noStroke();

  ellipse(50, 450, 15, 15);

  ellipse(450, 450, 15, 15);

  ellipse(50, 50, 15, 15);

  ellipse(450, 50, 15, 15);

  for (int i; i < 1000; i++) {

    while (cPoint == oldC)

      cPoint = int(random(3.9));

    oldC = cPoint;

    switch(cPoint) {

      case 0:

        x += (x - 50) / -2;

        y += (y - 450) / -2;

        break;

      case 1:

        x += (x - 450) / -2;

        y += (y - 450) / -2;

        break;

      case 2:

        x += (x - 50) / -2;

        y += (y - 50) / -2;

        break;

      case 3:

        x += (x - 450) / -2;

        y += (y - 50) / -2;

        break;

    }

​

    doty = new dot(x, y);

    doty.render();

  }

​

​

}

​

class dot {

​

  float xp, yp;

​

  dot(float x, y) {

    xp = x;

    yp = y;

  }

​

  void render() {

    fill(0);

    ellipse(xp, yp, 1, 1);

  }

​

}