int buttonRand = 8;
int buttonRandState = 0;

int buttonOrder = 7;
int buttonOrderState = 0;

int buttonRandPot = 13;
int buttonRandPotState = 0;

int buttonOther = 4;
int buttonOtherState = 0;

int LEDPins[] = {
  3, 5, 6, 9, 10 };
int PinCount = 5;
int LENGTH = 5000;
int timer = 150;
int delaytimer;
int val;
int POT = A0;

void setup()
{
 int thisPin;
 
 for(int thisPin = 0; thisPin < PinCount; thisPin++)
{
 pinMode(LEDPins[thisPin], OUTPUT);
} 

  pinMode(buttonRand, INPUT);
  pinMode(buttonOrder, INPUT);
  pinMode(buttonRandPot, INPUT);
  pinMode(buttonOther, INPUT);
}

void loop()
{
  buttonRandState = digitalRead(buttonRand);
  buttonOrderState = digitalRead(buttonOrder);
  buttonRandPotState = digitalRead(buttonRandPot);
  buttonOtherState = digitalRead(buttonOther);
  
  if (buttonRandState == HIGH)
  {
  val = analogRead(POT);
 for(int thisPin = 0; thisPin <= PinCount; thisPin++)
  {
    if(val <= 200)
    {
      digitalWrite(LEDPins[0], HIGH); 
    }
    else if (val <= 400)
    {
      digitalWrite(LEDPins[0, 1], HIGH); 
    }
    else if(val <= 600)
    {
      digitalWrite(LEDPins[0, 1, 2], HIGH); 
    }
    else if(val <= 800)
    {
      digitalWrite(LEDPins[0, 1, 2, 3], HIGH);
    }
    else
    {
      digitalWrite(LEDPins[0, 1, 2, 3, 4], HIGH);
    }
  }
  for(int thisPin = PinCount - 1; thisPin > 0; thisPin--)
  {
   if(val >= 800)
   {
    digitalWrite(LEDPins[0, 1, 2, 3], LOW);
   } 
   else if(val >= 600)
   {
    digitalWrite(LEDPins[0, 1, 2], LOW); 
   }
   else if(val >= 400)
   {
    digitalWrite(LEDPins[0,1], LOW); 
   }
   else if(val >= 200)
   {
    digitalWrite(LEDPins[0], LOW); 
   }
   else
   {
    digitalWrite(LEDPins[0,1,2,3,4], HIGH); 
   }
  }
   if(val >= 1000)
   {
    digitalWrite(LEDPins[0,1,2,3,4], LOW); 
   }
  }
  
  
  
  else if(buttonOrderState == HIGH)
  {
     for(int thisPin = 0; thisPin < PinCount; thisPin++)
      {
        digitalWrite(LEDPins[thisPin], HIGH);
        delay(timer);
        digitalWrite(LEDPins[thisPin], LOW);
      } 
      
       for(int thisPin = PinCount - 1; thisPin >= 0; thisPin--)
       {
        digitalWrite(LEDPins[thisPin], HIGH);
        delay(timer);
        digitalWrite(LEDPins[thisPin], LOW); 
       }
  }
  
  
  
  
  else if(buttonRandPotState == HIGH)
  {
    val = analogRead(POT);
  if(val <= 100)
  {
    delaytimer = 1;
  }
  else if(val <= 200)
  {
    delaytimer = 5;
  }
  else if(val <= 300)
  {
    delaytimer = 25;
  }
  else if(val <= 400)
  {
    delaytimer = 50;
  }
  else if(val <= 500)
  {
    delaytimer = 75;
  }
  else if(val <= 600)
  {
    delaytimer = 100;
  }
  else if(val <=  700)
  {
    delaytimer = 150;
  }
  else if(val <= 800)
  {
    delaytimer = 200;
  }
  else if(val <= 900)
  {
    delaytimer = 250;
  }
  else
  {
    delaytimer = 300;
  }
 for(int thisPin = 0; thisPin < 1; thisPin++)
{
  int randLED = random(1, 6);
    if(randLED == 1)
    {
    digitalWrite(LEDPins[0], HIGH);
    delay(delaytimer);
    digitalWrite(LEDPins[0], LOW);
    delay(delaytimer);
    }
    
    else if(randLED == 2)
    {
    digitalWrite(LEDPins[1], HIGH);
    delay(delaytimer);
    digitalWrite(LEDPins[1], LOW);
    delay(delaytimer);
    }

    else if(randLED == 3)
    {
    digitalWrite(LEDPins[2], HIGH);
    delay(delaytimer);
    digitalWrite(LEDPins[2], LOW);
    delay(delaytimer);
    }   
    
    else if(randLED == 4)
    {
    digitalWrite(LEDPins[3], HIGH);
    delay(delaytimer);
    digitalWrite(LEDPins[3], LOW);
    delay(delaytimer);
    }
    
    else if(randLED == 5)
    {
    digitalWrite(LEDPins[4], HIGH);
    delay(delaytimer);
    digitalWrite(LEDPins[4], LOW);
    delay(delaytimer);
    }
  }
  
  }
  
  
  
  
  else if(buttonOtherState == HIGH)
  {
      for(int thisPin = 0; thisPin < PinCount; thisPin++)
  {
   digitalWrite(LEDPins[0], HIGH);
   digitalWrite(LEDPins[4], HIGH);
   delay(timer);
   digitalWrite(LEDPins[1], HIGH);
   digitalWrite(LEDPins[3], HIGH);
   delay(timer);
   digitalWrite(LEDPins[2], HIGH);
   delay(timer);
   
        for(int thisPin = 0; thisPin < PinCount; thisPin++)
      {
        digitalWrite(LEDPins[thisPin], HIGH);
        delay(timer);
        digitalWrite(LEDPins[thisPin], LOW);
      } 
      
       for(int thisPin = PinCount - 1; thisPin >= 0; thisPin--)
       {
        digitalWrite(LEDPins[thisPin], HIGH);
        delay(timer);
        digitalWrite(LEDPins[thisPin], LOW); 
       }
  }
  }
}