// Danny Rozin 2012 ITP

void setup() {
  size(640, 480);
}

void draw() {
  loadPixels();
  for (int x=0;x< width; x++) {
    for (int y=0;y< height; y++) {
      int thisPixel= (x+ y*width);
      color newColor= color(x, y, mouseX);  //  setting some values for R,G,B
      pixels[thisPixel]= newColor;
    }
  }
  updatePixels();
}