MyShape[] shape = new MyShape[12*12];
void setup(){
  size(350,350); //make the screen big enough to see
  for(int y=0; y<12; y++){ //for 12 steps in y
    for(int x=0; x<12; x++){ //for 12 steps in x
      //make a shape (calling the polygon constructor)
      shape[y*12+x] = new MyShape(5, 10.,x*20., y*20.);
      shape[y*12+x].move(10.*x, 10.*y);
    }
  }
}
void draw(){
  for(int y=0; y<12; y++){ //for 12 steps in y
    for(int x=0; x<12; x++){ //for 12 steps in x
      shape[y*12+x].plot(); // plot the shapes
    }
  }
}