Shisha Lighting

#include <Adafruit_NeoPixel.h>
#ifdef __AVR__
#include <avr/power.h>
#endif
#include <IRremote.h>
byte program = 0;
bool onoff = 1; //on
int RECV_PIN = 11;

byte sens = 10;

IRrecv irrecv(RECV_PIN);

decode_results results;
#define PIN 6

byte NUMPIXELS=3;
byte bright=100; //100%
int rVal = 254;
int gVal = 1;
int bVal = 127;

int rDir = -1;
int gDir = 1;
int bDir = -1;
byte last[3]={255,255,255};
Adafruit_NeoPixel pixels = Adafruit_NeoPixel(NUMPIXELS, PIN, NEO_GRB + NEO_KHZ800);

int delayval = 10;

void setup() {
  Serial.begin(2000000);
  pinMode(13, OUTPUT); digitalWrite(13, 0);
  irrecv.enableIRIn();
  #if defined (__AVR_ATtiny85__)
    if (F_CPU == 16000000) clock_prescale_set(clock_div_1);
  #endif
  pixels.begin();
}

void loop()
{
  if (program == 0 && onoff == 1)
  {
    rVal = rVal + rDir;
    gVal = gVal + gDir;
    bVal = bVal + bDir;
    if (rVal >= 255 || rVal <= 0) {
      rDir = rDir * -1;
    }

    if (gVal >= 255 || gVal <= 0) {
      gDir = gDir * -1;
    }

    if (bVal >= 255 || bVal <= 0) {
      bDir = bDir * -1;
    }
    byte r, g, b;
    r = rVal; g = gVal; b = bVal;
    Show(r,g,b);
    delay(delayval);
  }
  if (irrecv.decode(&results)) 
  {
    digitalWrite(13, 0);
    Serial.println(results.value);
    switch (results.value)
    {
      case 16748655:    //R
        program = 2;
        Show(255,0,0);
        break;
      case 16769055:    //ON
        bright=100;
        NUMPIXELS=4;
        onoff = 1;
        Show();
        break;
      case 16736415:    //OFF
        onoff = 0;
        Show(0,0,0);
        break;
      case 16716015:    //G
        program = 2;
        Show(0,255,0);
        break;
      case 16732335:    //B
        program = 2;
        Show(0,0,255);
        break;
      case 16764975:    //W
        program = 2;
        Show(255,255,255);
        break;
      case 16773135:    //Flash
        program = 1;
        break;
      case 16767015:    ////Fade
        program = 0;
        break;
      case 16752735:    //brightnes + 
        if(bright<100) bright+=10;
        Show();
        break;
      case 16720095:    //brightnes -
        if(bright>0) bright-=10;
        Show();
        break;
        //////
      //Colors//
        //////
      case 16713975:  //G4
        program = 2;
        Show(0, 255, 255);
        break;
      case 16730295:    //B2
        program = 2;
        Show(255,0,255);
        break;
      case 16746615:    //R4
        program = 2;
        Show(255,255,0);
        break;
      case 16750695:    //Pixels --
          Show(-1);
        break;
      case 16754775:    //Pixels ++
          NUMPIXELS++;
          Show();
        break;
      case 16722135:    //delay++
        delayval++;
        break;
      case 16718055:    //delay --
        if(delayval>0)
          delayval--;
        break;

    }
    irrecv.resume(); // Receive the next value
    digitalWrite(13, 0);
  }
}

void Show(byte _r,byte _g,byte _b)
{
  if((_r+_g+_b)!=0)
  {
    last[0]=_r;
    last[1]=_g;
    last[2]=_b;
  }
  int _i=0; //address
  do
  {
    pixels.setPixelColor(_i, pixels.Color((_r*bright)/100,(_g*bright)/100,(_b*bright)/100));
    _i++;
  }while(_i<NUMPIXELS);
  pixels.show();
}

void Show()
{
  int _i=0; //address
  do
  {
    pixels.setPixelColor(_i, pixels.Color((last[0]*bright)/100, (last[1]*bright)/100, (last[2]*bright)/100));
    _i++;
  }while(_i<NUMPIXELS);
  pixels.show();
}

void Show(int _d)
{
  NUMPIXELS--;
  int _i=0; //address
  do
  {
    pixels.setPixelColor(_i, pixels.Color((last[0]*bright)/100, (last[1]*bright)/100, (last[2]*bright)/100));
    _i++;
  }while(_i<NUMPIXELS);
  pixels.setPixelColor(NUMPIXELS, pixels.Color(0,0,0));
  pixels.show();
}