#include <LCD_I2C.h>
 
LCD_I2C lcd(0x27, 16, 2); // Default address of most PCF8574 modules, change according
 byte customChar1[] = {
  B00000,
  B00000,
  B00000,
  B00011,
  B01111,
  B11111,
  B11111,
  B10100
};
 byte customChar2[] = {
  B00000,
  B00000,
  B00000,
  B00000,
  B11010,
  B11100,
  B11100,
  B10100
};
void setup()
{
   pinMode(7,INPUT_PULLUP);
    lcd.begin(); // If you are using more I2C devices using the Wire library use lcd.begin(false)
                 // this stop the library(LCD_I2C) from calling Wire.begin()
    lcd.backlight();
     lcd.createChar(1, customChar2);
      lcd.createChar(0, customChar1);
}
 
int cactus1x = 17;
int cactus1y = 0;
int cactus2x = 17;
int cactus2y = 0;
int spawnindelay = 7;
bool die;
int points;

void loop()
{
  int randomizer;
  int value;
  value=digitalRead(7);
  randomSeed(analogRead(0));
  
  if(die==true) {
  delay(1000); 
  die=false;
  cactus1x = 17;
 cactus1y = 0;
 cactus2x = 17;
 cactus2y = 0;
 spawnindelay = 7;
 points=0;
  }

  lcd.clear();

  if (cactus1x < 17) {
    cactus1x--;
    if (cactus1x == -1 ) {
      points++;
        cactus1x=17;
        if (points ==5) {
          lcd.setCursor(0,0);
          lcd.print("CONGRATULATION");
          delay(1000);
          lcd.setCursor(0,1);
          lcd.print("NO EXTINCTION!");
          delay(2500);
          die = true;
          return;
        }
    } 
    else {
    lcd.setCursor(cactus1x,cactus1y);
    lcd.print('/');
    }
    if (cactus1x ==1) {
      if (cactus1y ==0 && value == LOW) {
        lcd.clear();
        lcd.setCursor(0,0);
        lcd.print("Game ");
        delay(400);
        lcd.print("Over: ");
        delay(400);
        lcd.print(points);
        die=true;
        return;
      }
      if (cactus1y ==1 && value == HIGH) {
        lcd.clear();
        lcd.setCursor(0,0);
        lcd.print("Game ");
        delay(400);
        lcd.print("Over: ");
        delay(400);
        lcd.print(points);
        die=true;
        return;
      }
    }
  }

  if (cactus2x < 17) {
    cactus2x--;
    if (cactus2x == -1 ) {
      points++;
        cactus2x=17;
    } 
    else {
    lcd.setCursor(cactus2x,cactus2y);
    lcd.print('/');
    }
    if (cactus2x ==1) {
      if (cactus2y ==0 && value == LOW) {
        lcd.clear();
        lcd.setCursor(0,0);
        lcd.print("Game ");
        delay(400);
        lcd.print("Over: ");
        delay(400);
        lcd.print(points);
        die=true;
        return;
      }
      if (cactus2y ==1 && value == HIGH) {
        lcd.clear();
        lcd.setCursor(0,0);
        lcd.print("Game ");
        delay(400);
        lcd.print("Over: ");
        delay(400);
        lcd.print(points);
        die=true;
        return;
      }
    }
  }

  if (value == HIGH){
      value=digitalRead(7);
      value=digitalRead(8);
    lcd.setCursor(1,1);
    lcd.write(0);
    lcd.write(1);
    value=digitalRead(7);
    }
         
   else if (value == LOW){
      value=digitalRead(7);
    lcd.setCursor(1,0);
    lcd.write(0);
    lcd.write(1);
    value=digitalRead(7);
    }

    if (spawnindelay ==0) {
        

        if (cactus1x ==17){

            cactus1x = 16;
                int randomCactus1y = random (0,2);
                cactus1y = randomCactus1y;
                lcd.setCursor(cactus1x,randomCactus1y);
                lcd.print('/');
            
        }
        else if (cactus2x ==17) {
            cactus2x = 16;
                int randomCactus2y = random (0,2);
                cactus2y = randomCactus2y;
                lcd.setCursor(cactus2x,randomCactus2y);
                lcd.print('/');
        }
        int randomspacegap = random (5,10);
        spawnindelay=randomspacegap;
    } else {
        spawnindelay--;
    }

    delay(50);
}