//Note that all the color value variables are used to dim the respective LED.
//Meaning, the axis on the joystick associated with redValue will dim RED
//instead of making that direction RED.


// const int SW_pin = 2; //Switch currently unused
const int X_pin = 0;  // VRx connected to A0
const int Y_pin = 1;  // VRy connected to A1
#define RED 11        // Red to Digital 11
#define BLUE 10       // Blue to Digital 10
#define GREEN 9       // Green to Digital 9



void setup() {
//  pinMode(SW_pin, INPUT);       //Swith currently unused
//  digitalWrite(SW_pin, HIGH);   //Swith currently unused
//  Serial.begin(9600);           //Serial was used for debugging. Turn on to see values.

  pinMode(RED, OUTPUT);
  pinMode(GREEN, OUTPUT);
  pinMode(BLUE, OUTPUT);
}

void loop() {
  int x = 0;
  int y = 0;
  x = analogRead(X_pin);              //Read VRx normally
  y = abs(1023-(analogRead(Y_pin)));  //Invert VRy read, as the module is inverted

  int redValue = 0;
  int greenValue = 0;
  int blueValue = 0;
  int xValue = 0;     //xValue is later reffered to as "douse," as it's main role is to douse the red and and blue LEDs

  xValue = (map(y, 512, 1023, 0, 255));             //Douse is the upper half of the Y axis
  xValue = constrain (xValue, 0, 255);              //Set the upper half range to 0 thru 255
  greenValue = (map(y, 0, 512, 0, 255));            //Set the green control to the lower half of the Y axis
  redValue = (map(x, 0, 512, 0, 255))-xValue;       //Set the red control to the left half of the X axis, then subtract the "Douse" value
  blueValue = (map(x, 512, 1023, 255, 0))-xValue;   //Set the blue control to the right half of the X axis, then subtract the "Douse" value

  blueValue = constrain(blueValue, 0, 255);         //Make sure the range of power for each output is 0 to 255
  redValue = constrain(redValue, 0, 255);
  greenValue = constrain(greenValue, 0, 255);

  analogWrite(RED, redValue);                       //Make the lights turn on.
  analogWrite(BLUE, blueValue);                     //    :)
  analogWrite(GREEN, greenValue);

  Serial.print("X-axis: ");                         //I'm letting this still execute, but nothing will display
  Serial.println((x));                              //until the Serial.begin(baud) is turned back on.
  Serial.print("Y-axis: ");
  Serial.println((y));
  Serial.print("Red=");
  Serial.println(redValue);
  Serial.print("Blue=");
  Serial.println(blueValue);
  Serial.print("Green=");
  Serial.println(greenValue);
  Serial.print("Douse=");                           //Remember, "DOUSE" is the xValue and it's role is to turn off red and blue LEDs
  Serial.println(xValue);
  Serial.print("\n");

//  delay(500);                                     //Used in debugging so one can read the serial output. Keep off to keep LED control real-time
}