PImage img;

void setup() 
{
  size(296,400);
  smooth();
  background(0);
  rectMode(CENTER);

  img = loadImage("people-2.jpg");
}

void draw() {
  background(0);
  
  // get the tile size
  float s = map(mouseX,0,width,2,12);
  
  // draw a rect mosaic
  noStroke();
  for (float y = s/2; y < img.height; y += s+1) {
    for (float x = s/2; x < img.width; x += s+1) {
      fill(img.get(int(x),int(y)));
      rect(x,y,s,s);
    }
  }
}

// START NO NOTES
// code used to capture screenshots
void keyReleased() {
  if(key == '`' && !online) save("sketch.png");
}