Blinking LED next level ! Christmas lights ! - Arduino for beginners

//String 1
#define pinR1 11
#define pinG1 10
#define pinB1 9

//String 2
#define pinR2 6
#define pinG2 5
#define pinB2 3

//String 3
#define pinR3 A0
#define pinG3 A1
#define pinB3 A2

//String 4
#define pinR4 A3
#define pinG4 A4
#define pinB4 A5


void setup() {

  pinMode(pinR1, OUTPUT);
  pinMode(pinG1, OUTPUT);
  pinMode(pinB1, OUTPUT);
  pinMode(pinR2, OUTPUT);
  pinMode(pinG2, OUTPUT);
  pinMode(pinB2, OUTPUT);
  pinMode(pinR3, OUTPUT);
  pinMode(pinG3, OUTPUT);
  pinMode(pinB3, OUTPUT);
  pinMode(pinR4, OUTPUT);
  pinMode(pinG4, OUTPUT);
  pinMode(pinB4, OUTPUT);
}

void loop()
{
  Anim1(150,15);
  Anim2(200,40);
  Anim3(250,40);
  Anim4(200,40);
  Anim5(250,20);
  Anim6(3,3);
  Anim7(5,1);
}


void Anim1(int wait, int durata)
{
  for(int d = 1; d < durata; d++)
     {
     for(int r = 1; r <= 4; r++)
       {
         Led(r,255,0,0);
         delay(wait);
         Led(r,0,0,0);
       }
     }
  for(int d = 1; d <= durata; d++)
     {
     for(int r = 1; r <= 4; r++)
       {
         Led(r,0,255,0);
         delay(wait);
         Led(r,0,0,0);
       }
     }
  for(int d = 1; d <= durata; d++)
     {
     for(int r = 1; r <= 4; r++)
       {
         Led(r,0,0,255);
         delay(wait);
         Led(r,0,0,0);
       }
     }
  for(int d = 1; d <= durata; d++)
     {
     for(int r = 1; r <= 4; r++)
       {
         Led(r,255,0,255);
         delay(wait);
         Led(r,0,0,0);
       }
     }
  for(int d = 1; d <= durata; d++)
     {
     for(int r = 1; r <= 4; r++)
       {
         Led(r,0,255,255);
         delay(wait);
         Led(r,0,0,0);
       }
     }
  for(int d = 1; d <= durata; d++)
     {
     for(int r = 1; r <= 4; r++)
       {
         Led(r,255,255,0);
         delay(wait);
         Led(r,0,0,0);
       }
     }
  for(int d = 1; d <= durata; d++)
     {
     for(int r = 1; r <= 4; r++)
       {
         Led(r,255,255,255);
         delay(wait);
         Led(r,0,0,0);
       }
     }
}

void Anim2(int wait, int rep)
{
  for(int i = 0; i < rep; i++)
  {
  int str = rand() % 5;
  int r = rand() % 256;
  int g = rand() % 256;
  int b = rand() % 256;
  Led(str, r, g, b);
  delay(wait);
  }
}

void Anim3(int wait, int rep)
{
  for(int i = 0; i < rep; i++)
  {
  int str = rand() % 5;
  int r = rand() % 256;
  int g = rand() % 256;
  int b = rand() % 256;
  Led(1, r, g, b);
  Led(2, r, g, b);
  Led(3, r, g, b);
  Led(4, r, g, b);
  delay(wait);
  }
}

void Anim4(int wait, int durata)
{
  int comparator;
  int comparator2;
  int comparator3;
  for(int d = 1; d < durata; d++)
     {
     for(int r = 1; r <= 4; r++)
       {
         Led(r,255,0,0);

         comparator = r-1;
         if (comparator < 1) comparator = comparator + 4;
         Led(comparator,0,255,0);

         comparator2 = r-2;
         if (comparator2 < 1) comparator2 = comparator2 + 4;
         Led(comparator2,0,0,255);

         comparator3 = r-3;
         if (comparator3 < 1) comparator3 = comparator3 + 4;
         Led(comparator3,255,255,255);
         delay(wait);
         Led(r,0,0,0);
       }
     }
}

void Anim5(int wait, int durata)
{
  int comparator;
  int comparator2;
  int comparator3;
  for(int d = 1; d < durata; d++)
     {
     for(int r = 1; r <= 4; r++)
       {
         Led(r,255,0,0);

         comparator = r-1;
         if (comparator < 1) comparator = comparator + 4;
         Led(comparator,255,0,0);

         comparator2 = r-2;
         if (comparator2 < 1) comparator2 = comparator2 + 4;
         Led(comparator2,0,0,255);

         comparator3 = r-3;
         if (comparator3 < 1) comparator3 = comparator3 + 4;
         Led(comparator3,0,0,255);
         delay(wait);
         Led(r,0,0,0);
         delay(wait);
       }
     }
}

void Anim6(int wait, int durata)
{
  Led(1,0,0,0);
  Led(2,0,0,0);
  Led(3,0,0,0);
  Led(4,0,0,0);
  for(int d = 0; d < durata; d++)
     {
       int x = 1;
           for (int i = 0; i > -1; i = i + x)
               {
                  Led(1,i,0,0);
                  Led(2,i,0,0);
                  if (i == 255) x = -1;
                  delay(wait);
               }
     }

  for(int d = 0; d < durata; d++)
     {
       int x = 1;
           for (int i = 0; i > -1; i = i + x)
               {
                  Led(1,0,i,0);
                  Led(2,0,i,0);
                  if (i == 255) x = -1;
                  delay(wait);
               }
     }

  for(int d = 0; d < durata; d++)
     {
       int x = 1;
           for (int i = 0; i > -1; i = i + x)
               {
                  Led(1,0,0,i);
                  Led(2,0,0,i);
                  if (i == 255) x = -1;
                  delay(wait);
               }
     }

  for(int d = 0; d < durata; d++)
     {
       int x = 1;
           for (int i = 0; i > -1; i = i + x)
               {
                  Led(1,i,0,i);
                  Led(2,i,0,i);
                  if (i == 255) x = -1;
                  delay(wait);
               }
     }

  for(int d = 0; d < durata; d++)
     {
       int x = 1;
           for (int i = 0; i > -1; i = i + x)
               {
                  Led(1,i,i,0);
                  Led(2,i,i,0);
                  if (i == 255) x = -1;
                  delay(wait);
               }
     }

  for(int d = 0; d < durata; d++)
     {
       int x = 1;
           for (int i = 0; i > -1; i = i + x)
               {
                  Led(1,i,i,i);
                  Led(2,i,i,i);
                  if (i == 255) x = -1;
                  delay(wait);
               }
     }

}

void Anim7(int wait, int durata)
{
  Led(1,0,0,0);
  Led(2,0,0,0);
  Led(3,0,0,0);
  Led(4,0,0,0);
  for(int d = 0; d < durata; d++)
     {
       int x = 1;
           for (int i = 0; i > -1; i = i + x)
               {
                  Led(1,i,0,0);
                  Led(2,i,0,0);
                  Led(3,i,0,0);
                  Led(4,i,0,0);
                  if (i == 255) x = -1;
                  delay(wait);
               }
     }

  for(int d = 0; d < durata; d++)
     {
       int x = 1;
           for (int i = 0; i > -1; i = i + x)
               {
                  Led(1,0,i,0);
                  Led(2,0,i,0);
                  Led(3,0,i,0);
                  Led(4,0,i,0);
                  if (i == 255) x = -1;
                  delay(wait);
               }
     }

  for(int d = 0; d < durata; d++)
     {
       int x = 1;
           for (int i = 0; i > -1; i = i + x)
               {
                  Led(1,0,0,i);
                  Led(2,0,0,i);
                  Led(3,0,0,i);
                  Led(4,0,0,i);
                  if (i == 255) x = -1;
                  delay(wait);
               }
     }

  for(int d = 0; d < durata; d++)
     {
       int x = 1;
           for (int i = 0; i > -1; i = i + x)
               {
                  Led(1,i,0,i);
                  Led(2,i,0,i);
                  Led(3,255,0,i);
                  Led(4,255,0,i);
                  if (i == 255) x = -1;
                  delay(wait);
               }
     }

  for(int d = 0; d < durata; d++)
     {
       int x = 1;
           for (int i = 0; i > -1; i = i + x)
               {
                  Led(1,i,i,0);
                  Led(2,i,i,0);
                  Led(3,i,i,0);
                  Led(4,i,i,0);
                  if (i == 255) x = -1;
                  delay(wait);
               }
     }

  for(int d = 0; d < durata; d++)
     {
       int x = 1;
           for (int i = 0; i > -1; i = i + x)
               {
                  Led(1,i,i,i);
                  Led(2,i,i,i);
                  Led(3,i,i,i);
                  Led(4,i,i,i);
                  if (i == 255) x = -1;
                  delay(wait);
               }
     }

}



void Led(int Number, int Red, int Green, int Blue)
{
  if(Number == 1)
  {
    analogWrite(pinR1, Red);
    analogWrite(pinG1, Green);
    analogWrite(pinB1, Blue);
  }
  if(Number == 2)
  {
    analogWrite(pinR2, Red);
    analogWrite(pinG2, Green);
    analogWrite(pinB2, Blue);
  }
    if(Number == 3)
  {
    analogWrite(pinR3, Red);
    analogWrite(pinG3, Green);
    analogWrite(pinB3, Blue);
  }
  if(Number == 4)
  {
    analogWrite(pinR4, Red);
    analogWrite(pinG4, Green);
    analogWrite(pinB4, Blue);
  }
}