// *Interfacing RGB LED with Arduino 
// * Author: Osama Ahmed 

//Defining  variable and the GPIO pin on Arduino
int pinNum[]={2,3,4,5,6,7,8,9,10,11,12,13};
int firstSet[]={7,6,5,4,3,2};
int secondSet[]={8,9,10,11,12,13};
int evenRevSet[]={12,10,8,6,4,2};
int oddRevSet[]={13,11,9,7,5,3};
int evenSet[]={2,4,6,8,10,12};
int oddSet[]={3,5,7,9,11,13};
void setup() {
  //Defining the pins as OUTPUT
  for (int i= 0; i<11;i++){
  pinMode(pinNum[i],  OUTPUT);              
  }
}
void opLight(int led1, int led2, int d){
    digitalWrite(led1, HIGH);
    digitalWrite(led2, HIGH);
    delay(d);
      digitalWrite(led1, LOW);
       digitalWrite(led2, LOW);
  }
void highLed(int pinN[]){
  //int arSize = sizeof(pinN)/sizeof(pinN[0]);
   for (int i=0;i<6;i++){
  digitalWrite(pinN[i], HIGH);
   }
}
void lowLed(int pinN[]){
   //int arSize = sizeof(pinN)/sizeof(pinN[0]);
   for (int i=0;i<6;i++){
  digitalWrite(pinN[i], LOW);
   }
}
void  loop() {
  for (int j = 1; j<5; j++){
    for (int i=2;i<14;i++){
      digitalWrite(i, HIGH);
      delay(1000/j);
      digitalWrite(i, LOW);
 }
  }
   for (int j = 1; j<5; j++){
    for (int i=13;i>=2;i--){
      digitalWrite(i, HIGH);
      delay(1000/j);
      digitalWrite(i, LOW);
 }
  }
   for (int j = 1; j<5; j++){
  for (int i=0;i<6;i++){
    opLight(firstSet[i], secondSet[i], 1000/j);
  }
   }
    for (int j = 1; j<5; j++){
  for (int i=5;i>=0;i--){
    opLight(firstSet[i], secondSet[i], 1000/j);
  }
   }
    for (int j = 1; j<30; j++){
  for (int i=0;i<6;i++){
    opLight(oddSet[i], evenSet[i], 500/j);
    opLight(oddRevSet[i], evenRevSet[i], 500/j);
  }
   }
   for (int j = 1; j<30; j++){
  
    highLed(oddSet);
   // opLight(oddRevSet[i], evenRevSet[i], 50);
   delay(1000/j);
   lowLed(oddSet);
   delay(1000/j);
   highLed(evenSet);
   // opLight(oddRevSet[i], evenRevSet[i], 50);
   delay(1000/j);
   lowLed(evenSet);
    delay(1000/j);
     highLed(evenSet);
   // opLight(oddRevSet[i], evenRevSet[i], 50);
   delay(1000/j);
   lowLed(evenSet);
    delay(1000/j);
    highLed(oddSet);
   // opLight(oddRevSet[i], evenRevSet[i], 50);
   delay(1000/j);
   lowLed(oddSet);
   delay(1000/j);
  }
 
   }