// bakermouth CS 2, Winter 2009, Chris Bailey-Kellogg
// Notes 18 | Sketch 4

PImage baker;

void setup()
{
  size(800,600);
  baker = loadImage("baker.jpg");
}

void draw()
{
  background(baker);
  loadPixels();
  for (int i=0; i<pixels.length; i++) {
    // if it's already red-ish or blue-ish, allow the mouse to control it
    float r = red(pixels[i]), b = blue(pixels[i]);
    if (r > 96 && r < 192) r = mouseX*255.0/width;
    if (b > 96 && b < 192) b = mouseY*255.0/height;
    pixels[i] = color(r, green(pixels[i]), b);
  }
  updatePixels();
}