int vrX = 0;
int vrY = 1;
int sw = 10;
int in1 = 8;
int in2 = 7;
int enA = 9;
int in3 = 13;
int in4 = 12;
int enB = 11;

int motorSpeedA = 0;
int motorSpeedB = 0;
void setup() {
  // put your setup code here, to run once:
pinMode(in3, OUTPUT);
pinMode(in4, OUTPUT);
pinMode(enB, OUTPUT);
pinMode(sw, INPUT);
pinMode(in1, OUTPUT);
pinMode(in2, OUTPUT);
pinMode(enA, OUTPUT);
}

void loop() {
  // put your main code here, to run repeatedly:
int xAxis = analogRead(A0);
int yAxis = analogRead(A1);

if (yAxis < 470){
  digitalWrite(in3, HIGH);
  digitalWrite(in4, LOW);
  digitalWrite(in1, HIGH);
  digitalWrite(in2, LOW);

  motorSpeedA = map(yAxis, 470, 0, 0, 255);
  motorSpeedB = map(yAxis, 470, 0, 0, 255);
  }
  else if (yAxis > 550){
    digitalWrite(in3, LOW);
    digitalWrite(in4, HIGH);
    digitalWrite(in1, LOW);
    digitalWrite(in2, HIGH);
    motorSpeedA = map(yAxis, 550, 1023, 0, 255);
    motorSpeedB = map(yAxis, 550, 1023, 0, 255);
    }
    else{
      motorSpeedA = 0;
      motorSpeedB = 0;
      }

    if (xAxis < 470){
      int xMapped = map(xAxis, 470, 0, 0, 255);
      motorSpeedA = motorSpeedA - xMapped;
      motorSpeedB = motorSpeedB + xMapped;
      if(motorSpeedA < 0){
        motorSpeedA = 0;
        }
      if(motorSpeedB > 255){
        motorSpeedB = 255;
        }
      }
      else if(xAxis > 550){
        int xMapped = map(xAxis, 550, 1023, 0, 255);
        motorSpeedA = motorSpeedA + xMapped;
        motorSpeedB = motorSpeedB - xMapped;
        if(motorSpeedA > 255){
          motorSpeedA = 255;
          }
        if(motorSpeedB < 0){
          motorSpeedB = 0;
          }
        }
        analogWrite(enA, motorSpeedA);
        analogWrite(enB, motorSpeedB);
}