DIY Neon Mood Lamp

int count=0;
int newcount;
void setup()


{
Serial.begin(9600);
pinMode(2,INPUT); //push button
pinMode(13,OUTPUT); //red led
pinMode(6,OUTPUT); //blue led
pinMode(12,OUTPUT); // green led

}
void loop()
{

  if(digitalRead(2)==HIGH)
  {
  newcount=count+1;
    if(newcount!=count)
      {
      Serial.println(newcount);
      switch (newcount)
      {
        case 1: digitalWrite(13,HIGH);   
                break;                   


        case 2: digitalWrite(13,LOW);    
                break;

                
        case 3: digitalWrite(6,HIGH);
                break;

        case 4: digitalWrite(6,LOW);
                break;
                
        case 5: digitalWrite(12,HIGH);
                break;

        case 6: digitalWrite(13, HIGH);
                digitalWrite(6, HIGH);
                digitalWrite(12, HIGH);
                break;
        

       

        default: digitalWrite(13,LOW);
                 digitalWrite(6,LOW);
                 digitalWrite(12,LOW);

                 newcount=0;
                 break;
       }
    count=newcount;
    }
}
delay(130);
}