#include <Wire.h>
#include <LiquidCrystal_I2C.h>
#define i2caddr 0x27



LiquidCrystal_I2C lcd(i2caddr, 16, 2);
int col = 0;
int row = 0;
bool back = false;

byte smileyFace[8] = {
  0b00000,  
  0b01010,  
  0b01010,  
  0b00000,  
  0b10001,  
  0b01110,  
  0b00000,  
  0b00000   
};
byte cruz[8] = {
  0b00000,  
  0b00100,  
  0b11111,  
  0b00100,  
  0b00100,  
  0b00100,  
  0b00100,  
  0b00000   
};
byte calavera[8] = {
  0b11111,  
  0b10001,  
  0b11011,  
  0b11011,  
  0b10001,  
  0b10101,  
  0b01010,  
  0b01110   
};
byte feto[8] = { //era un pacman pero no salio xd
  0b00000,  
  0b00000,  
  0b01100,  
  0b10110,  
  0b11000,  
  0b11101,  
  0b11110,  
  0b01100   
};

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  lcd.init();
  lcd.clear();
  lcd.backlight();
  lcd.createChar(0, smileyFace);
  lcd.createChar(1, cruz);
  lcd.createChar(2, calavera);
  lcd.createChar(3, feto);
}

void loop() {
  String message = "1";
  String messagef = "FIJO!";
  int msglen = message.length();
  



  lcd.clear();
  if (col < 16 - msglen && !back) col++;
  else if(col >= 16- msglen) back = true;
  if (col > 0 && back) col--;
  else if (col <= 0) back = false;
  lcd.setCursor(col,0);
  lcd.write(byte(0));
  lcd.setCursor(0,0);
  lcd.write(byte(1));
  lcd.setCursor(16-col,1);
  lcd.write(byte(2));
  lcd.write(byte(3));


  delay(100); // this speeds up the simulation
  
}