size(500,500);

int W = width;
int H = height;


// variables
int n_circles = 5;
int x_amp = W  / n_circles;
int y_amp = H / n_circles;
int c = 0;
int n = 1;
int t = 1;

// Grid
for(int g_y = y_amp/2 ; g_y <= H  - y_amp/2 ; g_y = g_y + y_amp){
  for(int g_x = x_amp/2 ;g_x <= W - ((x_amp/2) * t); g_x = g_x + x_amp){
    if(c % 2 ==0){
      fill(0,0,175);
    } else{
      fill(175,0,0);};
    ellipse(g_x,g_y,x_amp,y_amp);
    fill(0);
    textSize(16);
    textAlign(CENTER);
    text(n, g_x, g_y);
    n = n + 1;
  }
  c = c + 1;
  t = t + 2;
}


save("Assignment4_part2.png");