Successful shapes in shapes.pde

float turtleX;
float turtleY;
float turtleHeading = 0;
int numberofshapes = 8;
float sides = 3;
float angle;
float length = 200;

void setup() {
  size(1000, 1000);
  turtleX = (width/2)+(length/2);
  turtleY = (height/2)+(length*1.5);
  background(int(random(256)), int(random(256)), int(random(256)), 50);
  strokeWeight(4);
  noLoop();
   stroke(random(256), random(256), random(256), 255);
   rotateTurtle(180);
}

void draw() {
  for (int i = 0; i < numberofshapes; i++) {
    
//  rotateTurtle(0);
  
float angle = (360/sides);

  
  for (int j = 0; j < sides; j++) {
  forward(length);
  rotateTurtle(angle);
  }
  
  sides++;
  }
  
  save("shapes in shapes1.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;
}