RGB.pde

void setup(){
  makeTransition(fromRGB, toRGB, 1000);
  //exit();
}

int time = 1000;
int[] fromRGB = { 100, 0, 255 };
int[] toRGB = { 50, 0, 0 };

void makeTransition(int[] fromRGB, int[] toRGB, int time){ 
 for(int i = 0; i < 3; i++){ // loop through R,G,B
   print("from: " +fromRGB[i]); println(", to: " +toRGB[i]);
    if(fromRGB[i] != toRGB[i]){ // make sure they are not already at correct R, G, B
      if(fromRGB[i] > toRGB[i]){
        fromRGB[i]--;
      } else { fromRGB[i]++;}
      println(fromRGB[i]); 
    }
  }
  delay(time);
}