// These constants won't change:
const int Target1DetectorPin = A1;   // pin that the sensor for the first target is attached to
const int Target2DetectorPin = A2;   // pin that the sensor for the second target is attached to

const int HitThreshold = 200;  // an arbitrary threshold level that's in the range of the analog input

bool Target1Hit = false;
bool Target2Hit= false;

int ScoreCounter= 0;

#include <TM1637.h>

const int CLK = 11;
const int DIO = 12;

TM1637 tm(CLK, DIO);


void setup() {
// initialize serial communications:


Target1Hit = false;
Target2Hit = false;

  tm.init();
  tm.set(BRIGHT_TYPICAL);


///Start by resetting the score counter and displaying the score
ScoreCounter=0003;
DisplayScore(ScoreCounter);
delay(1000); //Hold the score for 1 second
ScoreCounter=0002;
DisplayScore(ScoreCounter);
delay(1000); //Hold the score for 1 second
ScoreCounter=0001;
DisplayScore(ScoreCounter);
delay(1000); //Hold the score for 1 second
ScoreCounter=0000;
DisplayScore(ScoreCounter);
ScoreCounter=9999;
}

void loop() {


          // read the values from the detectors:
          int Target1Value = analogRead(Target1DetectorPin);
          int Target2Value = analogRead(Target2DetectorPin);


          // if the analog value is high enough, turn on the LED:
          if (Target1Value > HitThreshold) {
            Target1Hit=true;
          } else {
            
          }
        delay(5);  // delay in between reads for stability

          if (Target2Value > HitThreshold) {
              Target2Hit=true;
          } else {
            
          }



if (Target1Hit==true and Target2Hit==true){ //If all of the targets have been hit
   
 // Display The Score  
 DisplayScore(ScoreCounter); 
 Target1Hit=false;

}else{

        if (ScoreCounter>0) {
        ScoreCounter=ScoreCounter-1;
        }
        else{
          ScoreCounter = 0;
        }

        DisplayScore(ScoreCounter); 
  }
}


void DisplayScore(int ScoreToDisplay){
  tm.display(0, (ScoreToDisplay / 1000) % 10);
  tm.display(1, (ScoreToDisplay / 100) % 10);
  tm.display(2, (ScoreToDisplay / 10) % 10);
  tm.display(3, (ScoreToDisplay % 10));
}