Code for Personal Random

 // put your setup code here, to run once:

const int SER =8;
const int LATCH =9;
const int CLK =11;
int flash [] = {0,1,2,4,8,16,32,64,128};
int flash2 [] = {0,1,3,7,15,31,63,127,255};
int flash3 [] = {255,127,53,31,15,7,3,1,0};
int flash4 [] = {0,129,66,36,24,36,66,129,0};
int flash5 [] = {128,0,128,0,128,0,128,0,128};
void setup ()
{
pinMode (SER, OUTPUT);
pinMode (LATCH, OUTPUT);
pinMode (CLK, OUTPUT);

  digitalWrite (LATCH, LOW);
  shiftOut (SER, CLK, MSBFIRST, flash[0]);
  digitalWrite (LATCH, HIGH);
  delay (300);
  Serial.begin (9600);
}
void rider () {
for(int i=0; i<9; i++)

{
  digitalWrite (LATCH, LOW);
  shiftOut (SER, CLK, MSBFIRST, flash[i]);
  digitalWrite (LATCH, HIGH);
  delay (300);
}
}
void wayUp ()
{
  for (int i=0; i<9; i++)
  {
  digitalWrite (LATCH, LOW);
  shiftOut (SER, CLK, MSBFIRST, flash2[i]);
  digitalWrite (LATCH, HIGH);
  delay (300);
}
}
void wayDown ()
{
  for (int i=0; i<9; i++)
  {
    digitalWrite (LATCH, LOW);
  shiftOut (SER, CLK, MSBFIRST, flash3[i]);
  digitalWrite (LATCH, HIGH);
  delay (300);
}
  }
  void central ()
  {
    for (int i=0; i<9; i++)
    {
     digitalWrite (LATCH, LOW);
     shiftOut (SER, CLK, MSBFIRST, flash4[i]);
    digitalWrite (LATCH, HIGH);
    delay (300);
    }
  }
  void waySide ()
  {
    for (int i=0; i<9; i++)
    {
      digitalWrite (LATCH, LOW);
     shiftOut (SER, CLK, MSBFIRST, flash5[i]);
    digitalWrite (LATCH, HIGH);
    delay (300);
    }
    }

  void loop ()
  {
    int randy = random (1,6);
    Serial.println (randy);
  switch (randy)
  {
    case 1:
    rider ();
    break;
    case 2:
    wayUp();
    break;
    case 3:
    wayDown();
    break;
    case 4:
    central ();
    break;
    case 5:
    waySide ();
    break;


  }
  }