// Dartmouth CS 2, Winter 2009, Chris Bailey-Kellogg
// Notes 17 | Sketch 5

PImage grn;
Ball[] balls;

void setup()
{
  size(320,184);  // green-tiny is 80x46
  grn = loadImage("green-tiny.jpg");
  noStroke();
  // Create a ball for each pixel
  balls = new Ball[grn.height*grn.width];
  int i = 0;  // which ball to add next
  for (int y=0; y<grn.height; y++) {
    for (int x=0; x<grn.width; x++) {
      balls[i] = new Ball(4*x,4*y, grn.get(x,y));
      i++;
    }
  }
}

void draw()
{
  background(0,128,0);
  for (int i=0; i<balls.length; i++) balls[i].draw();
  for (int i=0; i<balls.length; i++) balls[i].update();
}