Invalid types 'int[int]' for array subscript error in my Arduino code

Projects Programming
3

My bad here is the full code:

#include <AFMotor.h>  // AFMotor Library https://learn.adafruit.com/adafruit-motor-shield/library-install 
#include <NewPing.h>  // NewPing Library https://github.com/livetronic/Arduino-NewPing
#include <Servo.h>// Servo Library https://github.com/arduino-libraries/Servo.git
#include "pitches.h"

#define TRIG_PIN A0
#define ECHO_PIN A1
#define MAX_DISTANCE 200
#define MAX_SPEED 150
#define MAX_SPEED_OFFSET 20

NewPing sonar(TRIG_PIN, ECHO_PIN, MAX_DISTANCE);

AF_DCMotor motor1(1, MOTOR12_1KHZ);
AF_DCMotor motor2(2, MOTOR12_1KHZ);
Servo myservo;

boolean goesForward = false;
int distance = 100;
int speedSet = 0;
int melody[] = {NOTE_C4, NOTE_G3, NOTE_A3, NOTE_G3, 0 , NOTE_B3, NOTE_C4};
int noteDurations[] = {4, 8, 8, 4, 4, 4, 4, 4};
int pirSensor = 2;

void setup() {

myservo.attach(10);
myservo.write(115);
delay(2000);
distance = readPing();
delay(100);
distance = readPing();
delay(100);
distance = readPing();
delay(100);
distance = readPing();
delay(100);
pinMode(pirSensor, INPUT);
}

void loop() {
int distanceR = 0;
int distanceL =  0;
int pirState = digitalRead(pirSensor);
delay(40);

if (distance <= 15)
{
  moveStop();
  delay(100);
  moveBackward();
  delay(300);
  moveStop();
  delay(200);
  distanceR = lookRight();
  delay(200);
  distanceL = lookLeft();
  delay(200);
}
 else if (pirState == 1) {

for (int thisNote = 0; thisNote < 13; thisNote++) {

  int noteDuration = 1000 / noteDuration [thisNote];
  tone(13, melody [thisNote], noteDuration);

  int pauseBetweenNotes = noteDuration * 1.30;
  delay(pauseBetweenNotes);

  noTone(13);

  if (distanceR >= distanceL)
  {
    turnRight();
    moveStop();
  } else
  {
    turnLeft();
    moveStop();
  }
}
{
  moveForward();
}
distance = readPing();

}
}

int lookRight()
{
myservo.write(50);
delay(500);
int distance = readPing();
delay(100);
myservo.write(115);
return distance;
}

int lookLeft()
{
myservo.write(170);
delay(500);
int distance = readPing();
delay(100);
myservo.write(115);
return distance;
delay(100);
}

int readPing() {
delay(70);
int cm = sonar.ping_cm();
if (cm == 0)
{
  cm = 250;
}
return cm;
}

void moveStop() {
motor1.run(RELEASE);
motor2.run(RELEASE);
}

void moveForward() {

if (!goesForward)
{
  goesForward = true;
  motor1.run(FORWARD);
  motor2.run(FORWARD);
  for (speedSet = 0; speedSet < MAX_SPEED; speedSet += 2)
  {
    motor1.setSpeed(speedSet);
    motor2.setSpeed(speedSet);
    delay(5);
  }
}
}

void moveBackward() {
goesForward = false;
motor1.run(BACKWARD);
motor2.run(BACKWARD);
for (speedSet = 0; speedSet < MAX_SPEED; speedSet += 2)
{
  motor1.setSpeed(speedSet);
  motor2.setSpeed(speedSet);
  delay(5);
}
}

void turnRight() {
motor1.run(FORWARD);
motor2.run(BACKWARD);
delay(450);
motor1.run(FORWARD);
motor2.run(FORWARD);
}

void turnLeft() {
motor1.run(BACKWARD);
motor2.run(FORWARD);
delay(450);
motor1.run(FORWARD);
motor2.run(FORWARD);

}