import processing.serial.*;

Serial myPort;
int X1, X2, Y1, Y2;
float h, v;

void setup() {
  printArray(Serial.list());
  myPort = new Serial(this, Serial.list()[3], 19200);
}

void draw() {
  byte[] inBuffer = new byte[8];
  while(myPort.available() > 0) {
    myPort.readBytesUntil(0x0a);
    myPort.readBytes(inBuffer); 
    
    X1 = (inBuffer[1] << 8) + inBuffer[0];
    X2 = (inBuffer[3] << 8) + inBuffer[2];
    Y1 = (inBuffer[5] << 8) + inBuffer[4];
    Y2 = (inBuffer[7] << 8) + inBuffer[6];
    
    //h = (X1-X2)/(X1+X2);
    //v = (Y1-Y2)/(Y1+Y2);
    
    println("X1: " + hex(X1) + "\tX2: " + hex(X2) + "\tY1: " + hex(Y1) + "\tY2: " + hex(Y2)); 
    //println("H Angle: " + h + "\tV Angle: " + v);
    
  }
}