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float turtleX;
float turtleY;
float turtleHeading = 0;
int numberofshapes = 200;
float sides = 3;
float angle;
float length = 50;

void setup() {
  size(1000, 1000);
  turtleX = width/2;
  turtleY = height/2;
  background(int(random(256)), int(random(256)), int(random(256)), 50);
  strokeWeight(4);
  noLoop();
   stroke(random(256), random(256), random(256), 255);
}

void draw() {
  for (int i = 0; i < numberofshapes; i++) {
  
  rotateTurtle(0);
  
  float angle = 180/sides;
  
  for (int j = 0; j < sides-1; j++) {
  
  forward(length);
  rotateTurtle(angle);

  }
  sides++;
  }
  save("accidentalspiral1.png");
}

void forward(float amount) {
  
  float newX = turtleX + cos(radians(turtleHeading)) * amount;
  float newY = turtleY + sin(radians(turtleHeading)) * amount;

  line(turtleX, turtleY, newX, newY);
  fill(0);
  
  turtleX = newX;
  turtleY = newY;
}

void rotateTurtle(float degrees) {
  turtleHeading += degrees;
}