Arduino rubber band turret code

http://www.4tronix.co.uk/arduino/Stepper-Motors.php
http://developeraspirations.files.wordpress.com/2010/04/l293dne.png



//declare variables for the stepper motor pins
int motorPin1 = 8;     // Blue   - 28BYJ48 pin 1
int motorPin2 = 9;     // Pink   - 28BYJ48 pin 2
int motorPin3 = 10;    // Yellow - 28BYJ48 pin 3
int motorPin4 = 11;    // Orange - 28BYJ48 pin 4

int XmotorPin1 = 2; //pins for the x axis motor
int XmotorPin2 = 3;

int YmotorPin1 = 4; //pins for the y axis motor
int YmotorPin2 = 5;

int joyClick = A0; //thumbstick click
int joyPinY = A2; //thumbstick axis
int joyPinX = A4;

int loadBtn = A5; //load button pin
int duration = 0; //how long the button is pressed

boolean laser = 0; //laser on or off
int laserPin = 7; //pin for relay for laser

int motorSpeed = 700;  //variable to set stepper speed, lower = faster. minimum should be around 700
int countsperrev = 256;


int repeatamount= 0; //how many times to repeat
int lookup[8] = {B01000, B01100, B00100, B00110, B00010, B00011, B00001, B01001};

//////////////////////////////////////////////////////////////////////////////
void setup() {
  //declare the motor pins as outputs
  pinMode(motorPin1, OUTPUT);
  pinMode(motorPin2, OUTPUT);
  pinMode(motorPin3, OUTPUT);
  pinMode(motorPin4, OUTPUT);

  pinMode(XmotorPin1, OUTPUT);
  pinMode(XmotorPin2, OUTPUT);
  pinMode(YmotorPin1, OUTPUT);
  pinMode(YmotorPin2, OUTPUT);

  pinMode(7, OUTPUT);

  pinMode(A0,INPUT);
  pinMode(A2,INPUT);
  pinMode(A4,INPUT);
  pinMode(A5,INPUT);

  Serial.begin(9600);
}

//////////////////////////////////////////////////////////////////////////////
void loop(){

Serial.print(analogRead(joyPinY));
Serial.print(" ");
Serial.print(analogRead(joyPinX));
Serial.print(" ");
Serial.print(analogRead(joyClick));
Serial.print(" ");
Serial.print(laser);
Serial.print(" ");
Serial.println(analogRead(loadBtn));


  if (analogRead(loadBtn) > 1022)
    {
         while(repeatamount <= 512)
            {
                clockwise();
                repeatamount++;
            }
         repeatamount = 0;
    }


  if (analogRead(joyClick) <= 1 && analogRead(joyPinX) > 150) // to avoid accidentally shooting while turning joystick right (it happens)
  {
    while (analogRead(joyClick) <= 1 && analogRead(joyPinX) > 150) //while the thumbstick button is clicked, count
    {
      delay(10);
        duration++;
        Serial.println(duration);
    }
    if (duration < 100) //if the amount counted is under 1 second (100 miliseconds*10), fire the elastic!
      {
        digitalWrite(XmotorPin1, LOW); //turns off rotation
        digitalWrite(XmotorPin2, LOW);
        digitalWrite(YmotorPin1, LOW);
        digitalWrite(YmotorPin2, LOW);
      while(repeatamount <= 512)
        {
          ctclockwise(); //runs counter clockwise stepper movement
          repeatamount++;
        }
      repeatamount = 0;
      }

      else // if the button is held over 1 second, change the state of the laser
      {
        if (laser == 0) //if the laser is off turn it on
         {
           laser = 1;
           digitalWrite(laserPin, HIGH);
           delay(500);
         }
         else
         {
           laser = 0;
           digitalWrite(laserPin, LOW);
           delay(500);
         }
      }
    duration = 0;
  }


if (analogRead(joyPinY) > 945 && analogRead(joyPinY) < 1023) //If the thumbstick is pushed backward, move the turret up
{
  digitalWrite(YmotorPin1, HIGH);
  digitalWrite(YmotorPin2, LOW);
  delay(10);
  digitalWrite(YmotorPin1, LOW);
  digitalWrite(YmotorPin2, LOW);
  delay(50);
  analogRead(joyPinY);
}
else if (analogRead(joyPinY) > 1022) //If the thumbstick is pushed backward, move the turret up
{
  digitalWrite(YmotorPin1, HIGH);
  digitalWrite(YmotorPin2, LOW);
  analogRead(joyPinY);
}
  else if (analogRead(joyPinY) < 850 && analogRead(joyPinY) > 300) //if the thumbstick is pushed forward, move the turret down
  {
  digitalWrite(YmotorPin1, LOW);
  digitalWrite(YmotorPin2, HIGH);
  delay(10);
  digitalWrite(YmotorPin1, LOW);
  digitalWrite(YmotorPin2, LOW);
  delay(50);
  analogRead(joyPinY);
  }
  else if (analogRead(joyPinY) < 301) //if the thumbstick is pushed forward, move the turret down
  {
  digitalWrite(YmotorPin1, LOW);
  digitalWrite(YmotorPin2, HIGH);
  analogRead(joyPinY);
  }
  else
  {
  digitalWrite(YmotorPin1, LOW);
  digitalWrite(YmotorPin2, LOW);
  }

if (analogRead(joyPinX) > 945  && analogRead(joyPinX) < 1023) //if the thumbstick is pushed left LIGHTLY, move the slowly left
{
  digitalWrite(XmotorPin1, HIGH);
  digitalWrite(XmotorPin2, LOW);
  delay(10);
  digitalWrite(XmotorPin1, LOW);
  digitalWrite(XmotorPin2, LOW);
  delay(30);
}

else if (analogRead(joyPinX) > 1022) //if the thumbstick is pushed left all the way, move the quickly left
{
  digitalWrite(XmotorPin1, HIGH);
  digitalWrite(XmotorPin2, LOW);
  analogRead(joyPinX);
}
  else if (analogRead(joyPinX) > 890 && (analogRead(joyPinX) < 945)) //if the thumbstick is neutral, keep the motors still
  {
  digitalWrite(XmotorPin1, LOW);
  digitalWrite(XmotorPin2, LOW);
  analogRead(joyPinX);
  }

 if (analogRead(joyPinX) < 890 && (analogRead(joyPinX) > 200)) //if the thumbstick is pushed right LIGHTLY, move the slowly right
  {
  digitalWrite(XmotorPin1, LOW);
  digitalWrite(XmotorPin2, HIGH);
  delay(10);
  digitalWrite(XmotorPin1, LOW);
  digitalWrite(XmotorPin2, LOW);
  delay(30);
  }
  else if (analogRead(joyPinX) <= 200) //if the thumbstick is pushed right all the way, move the quickly right
  {
  digitalWrite(XmotorPin1, LOW);
  digitalWrite(XmotorPin2, HIGH);
  analogRead(joyPinX);
  }
  else if (analogRead(joyPinX) > 890 && (analogRead(joyPinX) < 945)) //if the thumbstick is neutral, keep the motors still
  {
  digitalWrite(XmotorPin1, LOW);
  digitalWrite(XmotorPin2, LOW);
  analogRead(joyPinX);
  }
}

//////////////////////////////////////////////////////////////////////////////
//set pins to ULN2003 high in sequence from 1 to 4
//delay "motorSpeed" between each pin setting (to determine speed)


void clockwise() //normal stepper rotation
{
  for(int i = 7; i >= 0; i--)
  {
    setOutput(i);
    delayMicroseconds(motorSpeed);
  }
}

void ctclockwise() //reverse rotation (this fires elastic)
{
  for(int i = 0; i < 8; i++)
  {
    setOutput(i);
    delayMicroseconds(motorSpeed);
  }
}

void setOutput(int out)
{
  digitalWrite(motorPin1, bitRead(lookup[out], 0));
  digitalWrite(motorPin2, bitRead(lookup[out], 1));
  digitalWrite(motorPin3, bitRead(lookup[out], 2));
  digitalWrite(motorPin4, bitRead(lookup[out], 3));
}