#define INTERVALO_MENSAJE1 300//The time that is going to take to read each random number
unsigned long tiempo_1 = 0;//Initial time
long randomm;// variable for the random number generation.
int square=A0;//Square shape input. We are going to read the pressure sensor.
int banana=A1;//Banana shape input.
int rectangle=A2;//Rectangle shape input.
int circle=A3;//Circle shape input.
int sensorSquare;//Variable in which we are going to assign the sensor values.
int sensorBanana;
int sensorRectangle;
int sensorCircle;
int buzzer=8;//Buzzer pin
int buzzer1=7;//Pancake pin
int ledG=9;//Green led
int ledP=10;//Pink led
int ledY=11;//Yellow led
int ledO=12;//Orange led
void setup(){
  Serial.begin(9600);//Calling serial port
  pinMode(square, INPUT_PULLUP);//Assigning sensor as an input. We are going to read data form that pin.
  pinMode(banana, INPUT_PULLUP);
  pinMode(rectangle, INPUT_PULLUP);
  pinMode(circle, INPUT_PULLUP);
  pinMode(buzzer,OUTPUT);//Assigning our points alarms as outputs.
  pinMode(buzzer1,OUTPUT);
  pinMode(ledG,OUTPUT);//Assigning the LEDs as outputs. The logic of this is that we are going to generate
  pinMode(ledP,OUTPUT);//random numbers and assign each LED to one of them to turn on the LEDs randomly.
  pinMode(ledY,OUTPUT);//that's why are outputs of the programm but inputs in the game mechanics.
  pinMode(ledO,OUTPUT);
  digitalWrite(ledG,LOW);//Each time that we load the code all items are going to be turn off
  digitalWrite(ledP,LOW);
  digitalWrite(ledY,LOW);
  digitalWrite(ledO,LOW);
  digitalWrite(buzzer,LOW);
  digitalWrite(buzzer1,LOW);
  }
  void loop(){
   
    sensorSquare = analogRead(square); // reading each sensor values.
    Serial.println(sensorSquare); //printing the values in the serial port.
    sensorRectangle = analogRead(rectangle);
    Serial.println(sensorRectangle);
    sensorCircle = analogRead(circle);
    Serial.println(sensorCircle);
    sensorBanana = analogRead(banana);
    Serial.println(sensorBanana);
 
    if(millis() > tiempo_1 + INTERVALO_MENSAJE1){//Instead of using delay that makes time issues in our code
        tiempo_1 = millis();// we are going to use millis function.
        //We are going to count each time interval settled to perform an action.
        randomm=random(1,5);//In this case we are generating random numbers each 300 miliseconds.
        if(randomm==1){//Conditional that activates Greenled when a 1 is displayed.
          digitalWrite(ledG,HIGH);
          digitalWrite(ledY,LOW);
          digitalWrite(ledP,LOW);
          digitalWrite(ledO,LOW);
          }
         if(randomm==2){
          digitalWrite(ledG,LOW);
          digitalWrite(ledY,HIGH);
          digitalWrite(ledP,LOW);
          digitalWrite(ledO,LOW);
       
            }
          if(randomm==3){
          digitalWrite(ledG,LOW);
          digitalWrite(ledY,LOW);
          digitalWrite(ledP,HIGH);
          digitalWrite(ledO,LOW);
            }    
           if(randomm==4){
          digitalWrite(ledG,LOW);
          digitalWrite(ledY,LOW);
          digitalWrite(ledP,LOW);
          digitalWrite(ledO,HIGH);
            }  
    //less than 400 are the values readed  when the buttons are pressed
    //This signal behavior is for the four buttons.
    }//Conditional that depending on the range of values is going to activate the buzzer and the vibration
    //motor
   
     if(sensorBanana<400||sensorSquare<400||sensorRectangle<400||sensorCircle<400){
       tone (buzzer1, 789);//Activation of the buzzer
      digitalWrite(buzzer,HIGH);//Activation of the vibration indicator
      delay(200);
      digitalWrite(buzzer,LOW);
      noTone(buzzer1);
     
      Serial.println("mole");//Mole means that you earned 1 point.
      }//If the buttons are not pressed the buzzer and the motor are going to be turned off
  }