#define aPin 7         
#define bPin 8  
#define cPin 2  
#define dPin 3  
#define ePin 4  
#define fPin 6 
#define gPin 5 


#define PIN_BUTTON A0

const byte PIN_CHAOS = A5;


int On=0;
int Off;

void setup() {
  randomSeed(analogRead(PIN_CHAOS));

  pinMode(aPin, OUTPUT);
  pinMode(bPin, OUTPUT);
  pinMode(cPin, OUTPUT);
  pinMode(dPin, OUTPUT);
  pinMode(ePin, OUTPUT); 
  pinMode(fPin, OUTPUT);
  pinMode(gPin, OUTPUT);
  
  pinMode(PIN_BUTTON, INPUT_PULLUP); 
 

}

void loop() {
  
  int buttonState = digitalRead(PIN_BUTTON);
  if (buttonState == LOW) {
    rollTheDice(5, 200);      
    rollTheDice(3, 300);
    rollTheDice(1, 400);
  }
}

void rollTheDice(int count, int delayLength) {
  for (int i = 0; i < count; i++) {
    int number = random(1,7);    
    showNumber(number);          
    delay(delayLength);         
  }
}


void showNumber(int x){

if(On==1){Off=0;}
      else{Off=1;}
 
   switch(x){
     case 1: one();   break;
     case 2: two();   break;
     case 3: three(); break;
     case 4: four();  break;
     case 5: five();  break;
     case 6: six();   break;
   }
}

void one(){
  digitalWrite( aPin, Off);  
  digitalWrite( bPin, On);  
  digitalWrite( cPin, On);  
  digitalWrite( dPin, Off); 
  digitalWrite( ePin, Off);
  digitalWrite( fPin, Off);
  digitalWrite( gPin, Off);
}

void two(){
  digitalWrite( aPin, On); 
  digitalWrite( bPin, On);  
  digitalWrite( cPin, Off); 
  digitalWrite( dPin, On);   
  digitalWrite( ePin, On);  
  digitalWrite( fPin, Off);
  digitalWrite( gPin, On);
}

void three(){
  digitalWrite( aPin, On);  
  digitalWrite( bPin, On);  
  digitalWrite( cPin, On);  
  digitalWrite( dPin, On);  
  digitalWrite( ePin, Off); 
  digitalWrite( fPin, Off); 
  digitalWrite( gPin, On);
}

void four(){
  digitalWrite( aPin, Off); 
  digitalWrite( bPin, On);  
  digitalWrite( cPin, On);  
  digitalWrite( dPin, Off); 
  digitalWrite( ePin, Off); 
  digitalWrite( fPin, On);
  digitalWrite( gPin, On);
}

void five(){
  digitalWrite( aPin, On);  
  digitalWrite( bPin, Off); 
  digitalWrite( cPin, On);  
  digitalWrite( dPin, On);  
  digitalWrite( ePin, Off); 
  digitalWrite( fPin, On);  
  digitalWrite( gPin, On);
}

void six(){
  digitalWrite( aPin, On);  
  digitalWrite( bPin, Off); 
  digitalWrite( cPin, On);  
  digitalWrite( dPin, On);  
  digitalWrite( ePin, On); 
  digitalWrite( fPin, On);
  digitalWrite( gPin, On);
}