#include <LiquidCrystal_I2C.h>
#include <Keypad.h>
#include <Buzzer.h>

Buzzer buzzer(12);
const byte ROWS = 4;
const byte COLS = 4;
char hexaKeys[ROWS][COLS] = {
  {'1', '2', '3', 'A'},
  {'4', '5', '6', 'B'},
  {'7', '8', '9', 'C'},
  {'*', '0', '#', 'D'}
};
byte rowPins[ROWS] = {10, 9, 8, 7};
byte colPins[COLS] = {6, 5, 4, 3};
Keypad customKeypad = Keypad(makeKeymap(hexaKeys), rowPins, colPins, ROWS, COLS);
LiquidCrystal_I2C lcd(0x27, 20, 4); 
// Define button pins
int buttonPin = 2, buttonState = 0, lastButtonState = 0, first = 0;
// Game variables
int time = 500;
int randN, suggNb = -1;
int toneSound[15] = {100, 300, 500, 800, 1000, 1300, 1500, 1800, 2000, 2200, 2500, 2800, 3100, 3500, 3800};
int  laMeme = 0, x, y = -1, attemps = 3, sortie = 0, randomIndis1, randomIndis2, aux, score = 0, cont = 0, zeros = 0, cursorBegin = 0,  dino = 0,  espace = 1,  arbre = 2 ;
long cactus[100] = {0};
byte dinoChar[8] = {B00110, B00111, B00110, B10111, B11110, B01110, B01010, B01010};
byte Espace[8] = {B00000, B00000, B00000, B00000, B00000, B00000, B00000, B00000};
byte arbreChar[8] = {B00001, B00101, B10101, B10101, B10111, B11100, B00100, B00100};
void setup() {
  lcd.init();
  lcd.backlight();
  lcd.createChar(dino, dinoChar);
  lcd.createChar(espace, Espace);
  lcd.createChar(arbre, arbreChar);
  // Serial.begin(9600);
  pinMode(buttonPin, INPUT);
  pinMode(12, OUTPUT);
}
void loop() {
  lcd.clear();
  if (!first) {
    first = 1;
    lcd.setCursor(0, 0);
    lcd.println("    Hello, from   ");
    lcd.setCursor(0, 2);
    lcd.print("   Ousama Halmous");
    for (int i = 0; i < 10; i++) {
      lcd.setCursor(i + 10, 3);
      lcd.print(">");
      lcd.setCursor(9 - i, 3);
      lcd.print("<");
      buzzer.begin(10);
      tone(12, i * 100, time);
      buzzer.end(100);
      delay(100);
    }
    for (int i = 0; i < 10; i++) {
      lcd.setCursor(i + 10, 3);
      lcd.print(" ");
      lcd.setCursor(9 - i, 3);
      lcd.print(" ");
      buzzer.begin(10);
      tone(12, 900 - i * 100, time * 2);
      buzzer.end(100);
      delay(100);
    }
    delay(500);
    lcd.clear();
    lcd.setCursor(0, 0);
    lcd.println(" this is three Game ");
    lcd.setCursor(0, 1);
    lcd.print(" Please choose your");
    lcd.setCursor(0, 2);
    lcd.print("    Game to start");
    for (int i = 0; i < 10; i++) {
      lcd.setCursor(i + 10, 3);
      lcd.print("-");
      lcd.setCursor(9 - i, 3);
      lcd.print("-");
      buzzer.begin(10);
      tone(12, random(2000), time);
      buzzer.end(100);
      delay(100);
    }
    delay(2000);
  }
  for (int i = 14; i < 100; i++) {
    if (cactus[i] == 0) {
      zeros++;
      if (zeros > 4) {
        cactus[i] = random(2);
        if (cactus[i - 1] == 1) {
          zeros = 0;
        }
      }
    }
  }
  /* Serial.println(" ");
  for (int j = 0; j < 100; j++) {
    // Serial.print(cactus[j]);
  }
  // Serial.println(" ");*/
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.println("1- Silent World   ");
  lcd.setCursor(0, 1);
  lcd.print("2- T-REX Dinoseur");
  lcd.setCursor(0, 2);
  lcd.print("3- Guess the Number");

  while (1) {
    char customKey = customKeypad.getKey();
    if (customKey) {
      // Serial.print("Key press : ");
      // Serial.println(customKey);
      if (customKey == '1')
        while (1) {silentWorldGame();}
      if (customKey == '2')
        while (1) {startDinoGame();}
      if (customKey == '3')
        while (1) {guessNumberGame();}
    }
  }
}
void regame() {
  lcd.clear();
  lcd.setCursor(1, 0);
  lcd.println("Do want ReGame ? ");
  lcd.setCursor(1, 1);
  lcd.println("Press * to retry ");
  lcd.setCursor(1, 2);
  lcd.println("Press # to Menu  ");
  int test = 0;
  while (test == 0) {
    char customKey = customKeypad.getKey();
    if (customKey) {
      // Serial.println(customKey);
      if (customKey == '*') {
        // Serial.println("Continue");
        test = 1;
      }
      if (customKey == '#') {
        // Serial.println("Menu");
        loop();
      }
    }
  }
}
// guess Number Game
int charToNumber(char c) {
  switch (c) {
    case '0': return 0; break;
    case '1': return 1; break;
    case '2': return 2; break;
    case '3': return 3; break;
    case '4': return 4; break;
    case '5': return 5; break;
    case '6': return 6; break;
    case '7': return 7; break;
    case '8': return 8; break;
    case '9': return 9; break;
    default : return -1;
  }
}
void guessNumberGame1() {
  randN = random(10);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("  Enter a number");
  while (1) {
    char customKey = customKeypad.getKey();
    if (customKey) {
      // Serial.print("Key press : ");
      // Serial.println(customKey);
      suggNb = charToNumber(customKey);
      if (suggNb > -1) {
        if (suggNb < randN) {
          score++;
          lcd.clear();
          lcd.setCursor(0, 0);
          lcd.print("  the number (");
          lcd.print(customKey);
          lcd.print(") is  ");
          lcd.setCursor(0, 1);
          lcd.print("       less !");
          lcd.setCursor(0, 2);
          lcd.print("     Give me a");
          lcd.setCursor(0, 3);
          lcd.print("   larger number");
          //delay(2000);
        }
        if (suggNb > randN) {
          score++;
          lcd.clear();
          lcd.setCursor(0, 0);
          lcd.print("  the number (");
          lcd.print(customKey);
          lcd.print(") is  ");
          lcd.setCursor(0, 1);
          lcd.print("       large !");
          lcd.setCursor(0, 2);
          lcd.print("     Give me a");
          lcd.setCursor(0, 3);
          lcd.print("   Smaller number");
          //delay(2000);
        }
        if (suggNb == randN) {
          lcd.clear();
          lcd.setCursor(0, 0);
          lcd.print("     wilyeeee !");
          lcd.setCursor(0, 1);
          lcd.print(customKey);
          lcd.print(" : is correctly");
          lcd.setCursor(0, 2);
          lcd.print(" after : ");
          lcd.print(++score);
          lcd.print(" fois");
          score = 0;
          delay(2000);
          regame();
          guessNumberGame1();
        }

      } else {
        lcd.clear();
        lcd.setCursor(0, 0);
        lcd.print("please enter a");
        lcd.setCursor(0, 1);
        lcd.print(" number 0 --> 9 : ");
        delay(2000);
      }
    }
  }
}
void guessNumberGame2() {
  randN = random(10, 99);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("  Enter a number");
  while (1) {
    char customKey = customKeypad.getKey();
    if (customKey) {
      // Serial.print("Key press : ");
      // Serial.println(customKey);
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("  number : ");
      lcd.print(customKey);
      suggNb = charToNumber(customKey) * 10;
      if (suggNb > -1) {
        int knb = 1;
        while (knb) {
          char customKey = customKeypad.getKey();
          if (customKey) {
            suggNb += charToNumber(customKey) ;
            lcd.clear();
            lcd.setCursor(0, 0);
            lcd.print("  number : ");
            lcd.print(suggNb);
            delay(300);
            knb = 0;
            if (suggNb < randN) {
              score++;
              lcd.clear();
              lcd.setCursor(0, 0);
              lcd.print("  the number (");
              lcd.print(suggNb);
              lcd.print(") is  ");
              lcd.setCursor(0, 1);
              lcd.print("       less !");
              lcd.setCursor(0, 2);
              lcd.print("     Give me a");
              lcd.setCursor(0, 3);
              lcd.print("   larger number");
              //delay(2000);
            }
            if (suggNb > randN) {
              score++;
              lcd.clear();
              lcd.setCursor(0, 0);
              lcd.print("  the number (");
              lcd.print(suggNb);
              lcd.print(") is  ");
              lcd.setCursor(0, 1);
              lcd.print("       large !");
              lcd.setCursor(0, 2);
              lcd.print("     Give me a");
              lcd.setCursor(0, 3);
              lcd.print("   Smaller number");
              //delay(2000);
            }
            if (suggNb == randN) {
              lcd.clear();
              lcd.setCursor(0, 0);
              lcd.print("     wilyeeee !");
              lcd.setCursor(0, 1);
              lcd.print(suggNb);
              lcd.print(" : is correctly");
              lcd.setCursor(0, 2);
              lcd.print(" after : ");
              lcd.print(++score);
              lcd.print(" fois");
              score = 0;
              delay(2000);
              regame();
              guessNumberGame2();
            }

          }
        }
      } else {
        lcd.clear();
        lcd.setCursor(0, 0);
        lcd.print("please enter a");
        lcd.setCursor(0, 1);
        lcd.print(" number 0 --> 9 : ");
        delay(2000);
      }
    }
  }
}
void guessNumberGame3() {
  randN = random(100, 1000);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("  Enter a number");
  while (1) {
    char customKey = customKeypad.getKey();
    if (customKey) {
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("  number : ");
      lcd.print(customKey);
      suggNb = charToNumber(customKey) * 100;
      if (suggNb > -1) {
        int knb = 1;
        while (knb) {
          char customKey = customKeypad.getKey();
          if (customKey) {
            suggNb += charToNumber(customKey) * 10;
            lcd.clear();
            lcd.setCursor(0, 0);
            lcd.print("  number : ");
            lcd.print(suggNb / 10);
            delay(300);
            while (knb) {
              char customKey = customKeypad.getKey();
              if (customKey) {
                suggNb += charToNumber(customKey);
                lcd.clear();
                lcd.setCursor(0, 0);
                lcd.print("  number : ");
                lcd.print(suggNb);
                delay(300);
                knb = 0;
                if (suggNb < randN) {
                  score++;
                  lcd.clear();
                  lcd.setCursor(0, 0);
                  lcd.print("  the number (");
                  lcd.print(suggNb);
                  lcd.print(") is  ");
                  lcd.setCursor(0, 1);
                  lcd.print("       less !");
                  lcd.setCursor(0, 2);
                  lcd.print("     Give me a");
                  lcd.setCursor(0, 3);
                  lcd.print("   larger number");
                }
                if (suggNb > randN) {
                  score++;
                  lcd.clear();
                  lcd.setCursor(0, 0);
                  lcd.print("  the number (");
                  lcd.print(suggNb);
                  lcd.print(") is  ");
                  lcd.setCursor(0, 1);
                  lcd.print("       large !");
                  lcd.setCursor(0, 2);
                  lcd.print("     Give me a");
                  lcd.setCursor(0, 3);
                  lcd.print("   Smaller number");
                }
                if (suggNb == randN) {
                  lcd.clear();
                  lcd.setCursor(0, 0);
                  lcd.print("     wilyeeee !");
                  lcd.setCursor(0, 1);
                  lcd.print(suggNb);
                  lcd.print(" : is correctly");
                  lcd.setCursor(0, 2);
                  lcd.print(" after : ");
                  lcd.print(++score);
                  lcd.print(" fois");
                  score = 0;
                  delay(2000);
                  regame();
                  guessNumberGame3();
                }
              }
            }

          }
        }
      } else {
        lcd.clear();
        lcd.setCursor(0, 0);
        lcd.print("please enter a");
        lcd.setCursor(0, 1);
        lcd.print(" number 0 --> 9 : ");
        delay(2000);
      }
    }
  }
}
void guessNumberGame4() {
  randN = random(1000, 10000);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("  Enter a number");
  while (1) {
    char customKey = customKeypad.getKey();
    if (customKey) {
      lcd.clear();
      lcd.setCursor(0, 0);
      lcd.print("  number : ");
      lcd.print(customKey);
      suggNb = charToNumber(customKey) * 1000;
      if (suggNb > -1) {
        int knb = 1;
        while (knb) {
          char customKey = customKeypad.getKey();
          if (customKey) {
            suggNb += charToNumber(customKey) * 100;
            lcd.clear();
            lcd.setCursor(0, 0);
            lcd.print("  number : ");
            lcd.print(suggNb / 100);
            delay(300);
            while (knb) {
              char customKey = customKeypad.getKey();
              if (customKey) {
                suggNb += charToNumber(customKey)*10;
                lcd.clear();
                lcd.setCursor(0, 0);
                lcd.print("  number : ");
                lcd.print(suggNb/10);
                delay(300);
                while (knb) {
                  char customKey = customKeypad.getKey();
                  if (customKey) {
                    suggNb += charToNumber(customKey);
                    lcd.clear();
                    lcd.setCursor(0, 0);
                    lcd.print("  number : ");
                    lcd.print(suggNb);
                    delay(300);
                    knb = 0;
                    if (suggNb < randN) {
                      score++;
                      lcd.clear();
                      lcd.setCursor(0, 0);
                      lcd.print("  the number (");
                      lcd.print(suggNb);
                      lcd.print(") is  ");
                      lcd.setCursor(0, 1);
                      lcd.print("       less !");
                      lcd.setCursor(0, 2);
                      lcd.print("     Give me a");
                      lcd.setCursor(0, 3);
                      lcd.print("   larger number");
                    }
                    if (suggNb > randN) {
                      score++;
                      lcd.clear();
                      lcd.setCursor(0, 0);
                      lcd.print("  the number (");
                      lcd.print(suggNb);
                      lcd.print(") is  ");
                      lcd.setCursor(0, 1);
                      lcd.print("       large !");
                      lcd.setCursor(0, 2);
                      lcd.print("     Give me a");
                      lcd.setCursor(0, 3);
                      lcd.print("   Smaller number");
                    }
                    if (suggNb == randN) {
                      lcd.clear();
                      lcd.setCursor(0, 0);
                      lcd.print("     wilyeeee !");
                      lcd.setCursor(0, 1);
                      lcd.print(suggNb);
                      lcd.print(" : is correctly");
                      lcd.setCursor(0, 2);
                      lcd.print(" after : ");
                      lcd.print(++score);
                      lcd.print(" fois");
                      score = 0;
                      delay(2000);
                      regame();
                      guessNumberGame3();
                    }
                  }
                }

              }
            }

          }
        }
      } else {
        lcd.clear();
        lcd.setCursor(0, 0);
        lcd.print("please enter a");
        lcd.setCursor(0, 1);
        lcd.print(" number 0 --> 9 : ");
        delay(2000);
      }
    }
  }
}
void guessNumberGame() {
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("dificulty is :  1");
  lcd.setCursor(0, 1);
  lcd.print("                2");
  lcd.setCursor(0, 2);
  lcd.print("                3");
  lcd.setCursor(0, 3);
  lcd.print("                4");
  while (1) {
    char customKey = customKeypad.getKey();
    if (customKey) {
      // Serial.print("Key press : ");
      // Serial.println(customKey);
      if (customKey == '1') {
        while (1) {
          guessNumberGame1();
        }
      }
      if (customKey == '2') {
        while (1) {
          guessNumberGame2();
        }
      }
      if (customKey == '3') {
        while (1) {
          guessNumberGame3();
        }
      }
      if (customKey == '4') {
        while (1) {
          guessNumberGame4();
        }
      }
    }
  }
}
// Silent World Game
void randomTable() {
  for (int i = 0; i < 500; i++) {
    randomIndis1 = random(14) ;
    randomIndis2 = random(14) ;
    aux = toneSound[randomIndis1];
    toneSound[randomIndis1] = toneSound[randomIndis2];
    toneSound[randomIndis2] = aux;
  }
}
int playerLose() {
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("oops you lose!");
  lcd.setCursor(0, 1);
  lcd.print("  score:  ");
  lcd.print(score);
  score = 0;
  delay(1000);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.println("Do want ReGame ?");
  lcd.setCursor(1, 1);
  lcd.println("Press * to retry");
  lcd.setCursor(1, 2);
  lcd.println("Press # to Menu");
  int test = 0;
  while (test == 0) {
    char customKey = customKeypad.getKey();
    if (customKey) {
      // Serial.print("Key press");
      // Serial.println(customKey);
      if (customKey == '*') {
        // Serial.println("Continue");
        test = 1;
        return 1;
      }
      if (customKey == '#') {
        // Serial.println("Menu");
        return 0;
      }
    }
  }
}
int runEasy() {
  x = random(3);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("attempts: ");
  lcd.print(attemps);
  lcd.print(" score:");
  lcd.print(score);
  lcd.setCursor(0, 1);
  lcd.print("      What tone");
  lcd.setCursor(0, 2);
  lcd.print("    did you hear?");
  buzzer.begin(10);
  tone(12, toneSound[x], time * 2);
  buzzer.end(500);
  sortie = 0;
  while (!sortie) {
    char customKey = customKeypad.getKey();
    if (customKey) {
      sortie = 1;
      // Serial.print("Key press : ");
      // Serial.println(customKey);
      if (customKey == 'A' && x == 0 || customKey == 'B' && x == 1 || customKey == 'C' && x == 2 || customKey == 'D' && x == 3) {
        score++;
      } else {
        attemps--;
        if (attemps < 1) {
          attemps = 3;
          return playerLose();
        }
      }
    }
  }
}
void silentWorldGameEasy() {
  randomTable();
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("     Listen to");
  lcd.setCursor(0, 1);
  lcd.print("   the four tones");
  lcd.setCursor(0, 2);
  lcd.print(" and remember them");
  delay(1500);
  lcd.clear();
  lcd.setCursor(4, 0);
  lcd.print(" Note A ");
  lcd.setCursor(4, 1);
  lcd.print(" Note B ");
  lcd.setCursor(4, 2);
  lcd.print(" Note C ");
  lcd.setCursor(4, 3);
  lcd.print(" Note D ");
  for (int i = 0; i < 4; i++) {
    if (i == 0) {
      lcd.setCursor(0, i);
      lcd.print("--> ");
    }
    if (i == 1) {
      lcd.setCursor(0, i);
      lcd.print("--> ");
      lcd.setCursor(0, i - 1);
      lcd.print("    ");
    }
    if (i == 2) {
      lcd.setCursor(0, i);
      lcd.print("--> ");
      lcd.setCursor(0, i - 1);
      lcd.print("    ");
    }
    if (i == 3) {
      lcd.setCursor(0, i);
      lcd.print("--> ");
      lcd.setCursor(0, i - 1);
      lcd.print("    ");
    }
    buzzer.begin(10);
    tone(12, toneSound[i], time);
    buzzer.end(1000);
    // Serial.print("notes Player : ");
    // Serial.println(toneSound[i]);
    delay(500);
  }
  delay(1000);
  int tt = runEasy();
  while (tt == 1) {
    tt = runEasy();

  }
  loop();
}
int runMedium() {
  x = random(5);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("attempts: ");
  lcd.print(attemps);
  lcd.print(" score:");
  lcd.print(score);
  lcd.setCursor(0, 1);
  lcd.print("      What tone");
  lcd.setCursor(0, 2);
  lcd.print("    did you hear?");
  buzzer.begin(10);
  tone(12, toneSound[x], time * 2);
  buzzer.end(500);
  sortie = 0;
  while (!sortie) {
    char customKey = customKeypad.getKey();
    if (customKey) {
      sortie = 1;
      // Serial.print("Key press : ");
      // Serial.println(customKey);
      if (customKey == '1' && x == 0 || customKey == '2' && x == 1 || customKey == '3' && x == 2 || customKey == '4' && x == 3 || customKey == '5' && x == 4 || customKey == '6' && x == 5) {
        score++;
      } else {
        attemps--;
        if (attemps < 1) {
          attemps = 3;
          return playerLose();
        }
      }
    }
  }
}
void silentWorldGameMedium() {
  randomTable();
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("     Listen to");
  lcd.setCursor(0, 1);
  lcd.print("    the six tones");
  lcd.setCursor(0, 2);
  lcd.print(" and remember them");
  delay(1500);
  lcd.clear();
  lcd.setCursor(3, 0);
  lcd.print("Note 1 ");
  lcd.setCursor(3, 1);
  lcd.print("Note 2 ");
  lcd.setCursor(3, 2);
  lcd.print("Note 3 ");
  lcd.setCursor(12, 0);
  lcd.print("Note 4 ");
  lcd.setCursor(12, 1);
  lcd.print("Note 5 ");
  lcd.setCursor(12, 2);
  lcd.print("Note 6 ");
  for (int i = 0; i < 6; i++) {
    if (i == 0) {
      lcd.setCursor(0, 0);
      lcd.print("-->");
    }
    if (i == 1) {
      lcd.setCursor(0, 1);
      lcd.print("-->");
      lcd.setCursor(0, 0);
      lcd.print("   ");
    }
    if (i == 2) {
      lcd.setCursor(0, 2);
      lcd.print("-->");
      lcd.setCursor(0, 1);
      lcd.print("   ");
    }
    if (i == 3) {
      lcd.setCursor(9, 0);
      lcd.print("-->");
      lcd.setCursor(0, 2);
      lcd.print("   ");
    }
    if (i == 4) {
      lcd.setCursor(9, 1);
      lcd.print("-->");
      lcd.setCursor(9, 0);
      lcd.print("   ");
    }
    if (i == 5) {
      lcd.setCursor(9, 2);
      lcd.print("-->");
      lcd.setCursor(9, 1);
      lcd.print("   ");
    }
    buzzer.begin(10);
    tone(12, toneSound[i], time);
    buzzer.end(1000);
    // Serial.print("notes Player : ");
    // Serial.println(toneSound[i]);
    delay(500);
  }
  delay(1000);
  int tt = runMedium();
  while (tt == 1) {
    tt = runMedium();

  }
  loop();
}
int runDifficult() {
  x = random(7);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("attempts: ");
  lcd.print(attemps);
  lcd.print(" score:");
  lcd.print(score);
  lcd.setCursor(0, 1);
  lcd.print("      What tone");
  lcd.setCursor(0, 2);
  lcd.print("    did you hear?");
  buzzer.begin(10);
  tone(12, toneSound[x], time * 2);
  buzzer.end(500);
  sortie = 0;
  while (!sortie) {
    char customKey = customKeypad.getKey();
    if (customKey) {
      sortie = 1;
      // Serial.print("Key press : ");
      // Serial.println(customKey);
      if (customKey == '1' && x == 0 || customKey == '2' && x == 1 || customKey == '3' && x == 2 || customKey == '4' && x == 3 || customKey == '5' && x == 4 || customKey == '6' && x == 5 || customKey == '6' && x == 6 || customKey == '7' && x == 7 || customKey == '8' && x == 8) {
        score++;
      } else {
        attemps--;
        if (attemps < 1) {
          attemps = 3;
          return playerLose();
        }
      }
    }
  }
}
void silentWorldGameDifficult() {
  randomTable();
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.print("     Listen to");
  lcd.setCursor(0, 1);
  lcd.print("    the eight tones");
  lcd.setCursor(0, 2);
  lcd.print(" and remember them");
  delay(1500);
  lcd.clear();
  lcd.setCursor(3, 0);
  lcd.print("Note 1 ");
  lcd.setCursor(3, 1);
  lcd.print("Note 2 ");
  lcd.setCursor(3, 2);
  lcd.print("Note 3 ");
  lcd.setCursor(3, 3);
  lcd.print("Note 4 ");
  lcd.setCursor(12, 0);
  lcd.print("Note 5 ");
  lcd.setCursor(12, 1);
  lcd.print("Note 6 ");
  lcd.setCursor(12, 2);
  lcd.print("Note 7 ");
  lcd.setCursor(12, 3);
  lcd.print("Note 8 ");
  for (int i = 0; i < 8; i++) {
    if (i == 0) {
      lcd.setCursor(0, 0);
      lcd.print("-->");
    }
    if (i == 1) {
      lcd.setCursor(0, 1);
      lcd.print("-->");
      lcd.setCursor(0, 0);
      lcd.print("   ");
    }
    if (i == 2) {
      lcd.setCursor(0, 2);
      lcd.print("-->");
      lcd.setCursor(0, 1);
      lcd.print("   ");
    }
    if (i == 3) {
      lcd.setCursor(0, 3);
      lcd.print("-->");
      lcd.setCursor(0, 2);
      lcd.print("   ");
    }
    if (i == 4) {
      lcd.setCursor(9, 0);
      lcd.print("-->");
      lcd.setCursor(0, 3);
      lcd.print("   ");
    }
    if (i == 5) {
      lcd.setCursor(9, 1);
      lcd.print("-->");
      lcd.setCursor(9, 0);
      lcd.print("   ");
    }
    if (i == 6) {
      lcd.setCursor(9, 2);
      lcd.print("-->");
      lcd.setCursor(9, 1);
      lcd.print("   ");
    }
    if (i == 7) {
      lcd.setCursor(9, 3);
      lcd.print("-->");
      lcd.setCursor(9, 2);
      lcd.print("   ");
    }
    buzzer.begin(10);
    tone(12, toneSound[i], time);
    buzzer.end(1000);
    // Serial.print("notes Player : ");
    // Serial.println(toneSound[i]);
    delay(500);
  }
  delay(1000);
  int tt = runDifficult();
  while (tt == 1) {
    tt = runDifficult();

  }
  loop();
}
void silentWorldGame() {
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.println("  There are three ");
  lcd.setCursor(0, 1);
  lcd.print("levels of difficulty");
  lcd.setCursor(0, 2);
  lcd.print("     in the Game");
  delay(30);
  lcd.clear();
  lcd.setCursor(0, 0);
  lcd.println("choose your level :");
  lcd.setCursor(0, 1);
  lcd.print("  1- Easy");
  lcd.setCursor(0, 2);
  lcd.print("  2- Medium");
  lcd.setCursor(0, 3);
  lcd.print("  3- Difficult");
  while (1) {
    char customKey = customKeypad.getKey();
    if (customKey) {
      // Serial.print("Key press : ");
      // Serial.println(customKey);
      if (customKey == '1') {
        while (1) {
          silentWorldGameEasy();
        }
      }
      if (customKey == '2') {
        while (1) {
          silentWorldGameMedium();
        }
      }
      if (customKey == '3') {
        while (1) {
          silentWorldGameDifficult();
        }
      }
    }
  }
}
// T-REX Dinoseur Game
void jump() {
  lcd.setCursor(1, 2);
  lcd.write(dino);
  lcd.setCursor(1, 3);
  lcd.write(espace);
}
void downJump() {
  lcd.setCursor(1, 2);
  lcd.write(espace);
  lcd.setCursor(1, 3);
  lcd.write(dino);
}
void pas(int test) {
  // score++;
  int temp = 0;
  for (int i = 0; i < 20; i++) {
    if (i != 1) {
      lcd.setCursor(i, 3);
      if (cactus[i + cursorBegin] == 1) {
        lcd.write(arbre);
      } else {
        lcd.write(espace);
      }
    }
  }
  cursorBegin++;
  if (cursorBegin > 98) {
    cursorBegin = 0;
    lcd.clear();
    lcd.println("Wiiiin !");
    lcd.println("Wiiiin !");
    lcd.println("Wiiiin !");
    lcd.println("Wiiiin !");
    delay(1000);
    lcd.clear();
    lcd.println("Game Over");
    delay(3000);
    loop();

  }
  if (cactus[cursorBegin + 1] == 1) {
    score++;
  }
  for (int i = 0; i < 500; i++) {
    delay(1);
    if (digitalRead(buttonPin) != lastButtonState) {
      buttonState = !buttonState;
    }
  }
  if (buttonState != lastButtonState && test != 0) {
    // Serial.print("button is pressed ");
    // Serial.println(cont);
    cont++;  // debugging button press
    jump();
    pas(0);
    pas(0);
    pas(0);
    pas(0);
    downJump();
  }
}
void startDinoGame() {
  lcd.clear();
  lcd.setCursor(1, 0);
  lcd.print("T-REX Dinoseur Game");
  lcd.setCursor(1, 1);
  lcd.print("score : ");
  lcd.print(score);
  lcd.setCursor(1, 2);
  lcd.write(espace);
  lcd.setCursor(1, 3);
  lcd.write(dino);
  // Check button state
  buttonState = digitalRead(buttonPin);
  // If button is pressed

  if (cactus[cursorBegin + 1] == 1) {
    lcd.clear();
    lcd.setCursor(1, 0);
    lcd.println("you lose");
    lcd.setCursor(1, 2);
    lcd.print("score = ");
    lcd.print(score);
    delay(3000);
    cursorBegin = 0;
    score = 0;
    regame();

  } else {
    pas(1);
  }
  lastButtonState = buttonState;
}