Simple NeoPixel loop using serial inputs

/*
 * Type "w" for wheel effect
 * Type "r" and you'll get just red leds
 * Type "q" to clear all leds
 */

//Constants
#include <Adafruit_NeoPixel.h>        //The wizardry of addressable LEDs

#define PIN 6                         // Output pin for led strip
#define NUMPIXELS 12                  // Number of LED Diodes
#define SPEED 30                      // Creates the speed of an effect

//Make your "strip" object. Note the macro's used "NUMPIXELS, PIN"
Adafruit_NeoPixel strip = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

//Variables
char BTdata = 0;                      //Variable to store received serial data
int count = 0;                        //Used to change wipe color
int r, g, b;                          //Variables for changing the color
bool wipeEffect = false;              //Turns wipe effect On and OFF
bool single = false;                  //Turn single color On or Off

void setup(){
    Serial.begin(38400);              //Sets the baud for serial data transmission
    strip.begin();                    //Adafruit_NeoPixel library object begin class "object.begin();)
    strip.setBrightness(50);          //class to setup NeoPixel brightness level
    strip.show();                     //Initialize all pixels to 'off'
}

//Everything above is the "scope" and is common to both sketches

void loop(){

   if(Serial.available() > 0)         // Send data only when you receive data:
   {
      BTdata = Serial.read();         //Read the  incoming  data and store it into variable data
      Serial.println(BTdata);         //Print Value inside data in Serial monito

      if(BTdata == 'q'){                       //Input q to turn strip LEDs OFF
          wipeEffect = false;
          r=0; g=0; b=0;
          single = true;
      }

      if(BTdata == 'r'){                       //Input r to turn strip LEDs OFF
          wipeEffect = false;
          r=255; g=0; b=0;
          single = true;
      }

      if(BTdata == 'w'){                          //Enter w into the serial monitor to run Wheel effect
          wipeEffect = true;                      //Starts Wipe sequence
          single = false;
          count = 0;
      }
   }
    if(single){
        for(uint16_t i=0; i<strip.numPixels(); i++) {
              strip.setPixelColor(i, strip.Color(r, g, b));
              strip.show();
              delay(SPEED);
        }
        single = false;
    }

   if(wipeEffect){                            //When true wipe is runnig
      if(count == 0){                         //Incrementing counter changes the wipe color
        r=255;g=0;b=0;                        //Display RED
      }else if(count == 1){
        r=0;g=0;b=0;                          //Clear
      }else if(count == 2){
        r=0;g=255;b=0;                        //Display Green
      }else if(count == 3){
        r=0;g=0;b=0;                          //Clear
      }else if(count == 4){
        r=0;g=0;b=255;                        //Display Blue
      }else if(count == 5){
        r=0;g=0;b=0;                          //Clear
      }
          for(uint16_t i=0; i<strip.numPixels(); i++) {
              strip.setPixelColor(i, strip.Color(r, g, b));
              strip.show();
                  if(i == NUMPIXELS - 1){         //When we hit the last LED
                      count++;                    //We increment by +1
                          if(count > 5){          //Sequence complete
                             count = 0;           //So we start again by resetting the counter
                          }
                  }
                  delay(SPEED);
          }
   }
}