in-class nested for loops

nest.pde

int times = 50; //how many times will we draw each row/column?
float dia = 5; //what will the diameter will be
void setup() {
  size(500, 500); //our sketch will be 500 pixels by 500 pixels
}

void draw() {
  background(255); //white background
  for (int col = 1; col < times; col++) {
    for (int row = 1; row < times; row++) {
      int x = col * (width / times); //draw whichever column we are currently on in the series and make that a percentage of the width
      int y = row * (height / times); //do the same for y/height
      ellipse(x, y, dia, dia); //use our x and y to draw our grid of ellipses
      fill(x, y, 255); //change the red and green values of our fill along with the x and y positions
    }
  }
}