// demonstration of OLED Screen code
// requires the U8glib graphics library
#include "U8glib.h"
U8GLIB_SH1106_128X64 u8g(U8G_I2C_OPT_NONE);
// screen is 128 pixels wide, by 64 pixels high
char theChar;
String theMsg = "";// will store the current message
int ardScore = 0;
int PScore = 0;

void setup(void) {
  Serial.begin(9600);
  u8g.firstPage();//load current page
  do {// build for the next message
    u8g.setFont(u8g_font_profont12);
    //      order is (column,row)
    u8g.setPrintPos(50, 20);
    u8g.print("OLED");
  } while (u8g.nextPage());

delay(3000);// leave above message on screen for 3 seconds
theMsg = "Throw Down";// starting message
}

void makeMsg() { //the page for your message is built
  //    column 0, row 10
  u8g.setPrintPos(0, 10);
  u8g.print(theMsg);// the message string
  //column 0, row 60
  u8g.setPrintPos(0, 60);
  u8g.print(ardScore);// Arduino's score
  //colunn 80, row 60
  u8g.setPrintPos(80, 60);
  u8g.print(PScore);// player's score
  ardScore = ardScore + 1;
  PScore = PScore + 2;
}
void loop() {

  // here we get a code from the Serial monitor for a specific messags
  if (Serial.available() > 0) {
    theChar = Serial.read();
    switch (theChar) {
      case '1':
        theMsg = "Message 1";
        break;
      case '2':
        theMsg = "Message 2";
        break;
      case '3':
        theMsg = "Message 3";
        break;
    }
  }
  // here we load the current screen page
  u8g.firstPage();
  do // build for the next message
    makeMsg();
  while (u8g.nextPage());
  //load the next page
}