/////////////////||||||||||||||||\\\\\\\\\\\\\\\\\\\\\\\\\\\\
/////          Moodlight V1    \\\\\\\\\\\\\\\\\\
//// writter by: Peter Trinkaus \\\\\\\\\\
/////    http://www.tuki-tam.net \\\\\\\\\\
/////////////////||||||||||||||\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\


int red = 0;
int green = 0;
int blue = 0;
int red_prev = 0;
int green_prev = 0;
int blue_prev = 0;
int program;
int program_prev;
int debug=0;

//int max=255;



void setup()
{
  Serial.begin(9600);

}

void loop()
{
  while(program == program_prev)    //never choose the same color twice in a row
  {  
    program = random (1,10);
  }


  switch(program)        // you choose a random color to fade to
  {

  case 1:
    red = random(0,255);
    green = random(0,255);
    blue = random(0,255);
    change_red();
    change_green();
    change_blue();
    delay(1000);
    break;

  case 2:
    red = random(0,255);
    green = random(0,255);
    blue = random(0,255);
    change_green();
    change_red();
    change_blue();
    delay(1000);
    break;

  case 3:
    red = random(0,255);
    green = random(0,255);
    blue = random(0,255);
    change_blue();
    change_green();
    change_red();
    delay(1000);
    break;

  case 4:  //violicna
    red = 255;
    green = 0;
    blue = 255;
    change_red();
        change_blue();
    change_green();
    delay(1000);
    break;

  case 5:  //roza
    red = 255;
    green = 126; 
    blue = 255;
    change_red();
    change_green();
    change_blue();
    delay(1000);
    break;

  case 6:  //svetlo modra
    red = 0;
    green = 255; 
    blue = 255;
    change_green();
    change_blue();
     change_red();
    delay(1000);
    break;

  case 7:  ///rdeca
    red = 255;
    green = 0;
    blue = 0;
    change_red();
    change_green();
    change_blue();
    break;

  case 8:  ///zelena
    red = 0;
    green = 255;
    blue = 0;
    change_green();
   change_blue();
      change_red();
    break;

  case 9:  //modra
    red = 0;
    green =  0;
    blue = 255;
    change_blue();
    change_red();
    change_green();
    break;

  case 10:  // rumena
    red = 255;
    green =  230;
    blue = 200;
    change_blue();
    change_red();
    change_green();
    break;
  }
  Serial.println(program);
  Serial.println(red);
  Serial.println(green);
  Serial.println(blue);
  Serial.println();

  program_prev = program;

}


////////////// second tab (functions only) \\\\\\\\\\\

void change_red()
{
  if(red>red_prev){
    for (red_prev; red_prev<red; red_prev++) { 
      rgb(red_prev,green_prev,blue_prev); 
      if(debug==1){
        Serial.print(red_prev); 
        Serial.print(", "); 
        Serial.print(green_prev); 
        Serial.print(", "); 
        Serial.println(blue_prev);
      }
      delay(20); 
    }
  }
  else{
    for (red_prev; red<red_prev; red_prev--) { 
      rgb(red_prev,green_prev,blue_prev);
      if(debug==1){
        Serial.print(red_prev); 
        Serial.print(", "); 
        Serial.print(green_prev); 
        Serial.print(", "); 
        Serial.println(blue_prev);
      }
      delay(20); 
    }
  }

}

void change_green()
{
  if(green>green_prev){
    for (green_prev; green_prev<green; green_prev++) { 
      rgb(red_prev,green_prev,blue_prev); 
      if(debug==1){
        Serial.print(red_prev); 
        Serial.print(", "); 
        Serial.print(green_prev); 
        Serial.print(", "); 
        Serial.println(blue_prev);
      }
      delay(20); 
    }
  }
  else{
    for (green_prev; green<green_prev; green_prev--) { 
      rgb(red_prev,green_prev,blue_prev);
      if(debug==1){
        Serial.print(red_prev); 
        Serial.print(", "); 
        Serial.print(green_prev); 
        Serial.print(", "); 
        Serial.println(blue_prev);
      }
      delay(20); 
    }
  }
}

void change_blue()
{
  if(blue>blue_prev){
    for (blue_prev; blue_prev<red; blue_prev++) { 
      rgb(red_prev,green_prev,blue_prev);
      if(debug==1){
        Serial.print(red_prev); 
        Serial.print(", "); 
        Serial.print(green_prev); 
        Serial.print(", "); 
        Serial.println(blue_prev);
      }
      delay(20); 
    }
  }
  else{
    for (blue_prev; blue<blue_prev; blue_prev--) { 
      rgb(red_prev,green_prev,blue_prev);
      if(debug==1){
        Serial.print(red_prev); 
        Serial.print(", "); 
        Serial.print(green_prev); 
        Serial.print(", "); 
        Serial.println(blue_prev);
      }
      delay(20); 
    }
  }
}


void rgb(int r, int g, int b) 
{
  analogWrite(9,r);
  analogWrite(11,g);
  analogWrite(10,b);
}

//// the end