import processing.serial.*;
Serial porta;
PImage st;
//String dados = "";

void setup() {
  size (1200, 675, P3D);
  st = loadImage("rr.jpg");


  String nomedaporta = Serial.list()[0];
  porta = new Serial(this,nomedaporta, 9600);

}
void draw() {
  while (porta.available() > 0) {
    int inByte = porta.read();
    println(inByte);
  }

  //image(st, 0, 0);
  loadPixels();
  st.loadPixels();
  colorMode(HSB, width+height/2);
  for (int x=0; x < width; x++) {
    for (int y=0; y< height; y++) {
      int loc = x+y*width;
      float r = red(st.pixels[loc]);
      float g = green(st.pixels[loc]);
      float b = blue(st.pixels[loc]);
      pixels[loc] = color(r=(b-g), g=(b-r), b=(r-g));
    }
    updatePixels();
  }
}

void serialEvent(Serial porta) {
  String bufString = porta.readString();
 float data = Float.valueOf(bufString);

}