Erin | Ch3 Pr8 rgb mood lamp

// Project 8 - Mood Lamp with comments

float RGB1[3];  //assign rgb1[3] floating point (decimal option)

float RGB2[3];

float INC[3];

int red, green, blue;

int RedPin = 11;

int GreenPin = 10;

int BluePin = 9;

void setup()

{

randomSeed(analogRead(0)); //pseudorandom numbers

RGB1[0] = 0;

RGB1[1] = 0;

RGB1[2] = 0;

RGB2[0] = random(256);   //between 0 and 255

RGB2[1] = random(256);

RGB2[2] = random(256);

}

void loop() 

{

      

  randomSeed(analogRead(0));       

        

        for (int x=0; x<3; x++) {            

                 // first loop sets the increment values (steps) for RGB channels

                //by subtracting the two values and divide by 256

                INC[x] = (RGB1[x] - RGB2[x]) / 256; }    

        for (int x=0; x<256; x++) {        //second loop sets the RGB values for the RGB1 array

                red = int(RGB1[0]);        //writes them to pins 9,10,11 and inputs the INC values

                green = int(RGB1[1]);      //repeats 256 times for random colors

                blue = int(RGB1[2]);

                analogWrite (RedPin, red);

                analogWrite (GreenPin, green);

                analogWrite (BluePin, blue);

                delay(100);                      //can change progression speed here

                RGB1[0] -= INC[0];

                RGB1[1] -= INC[1];

                RGB1[2] -= INC[2];

} 

for (int x=0; x<3; x++) {          

//make third set of random numbers between 0 and 556

//and then subtracting 300 to be sure not only getting pastel shades

        RGB2[x] = random(556)-300;

RGB2[x] = constrain(RGB2[x], 0, 255); //make sure number isn't negative, 

// if the number is lower than a (or 0 in this case) it sets it at a, 

//if higher than b it sets to b

delay(1000);

}

}