int VRx = A0; // X axis pin established
int VRy = A1; // Y axis pin established
int SW = 0; // Switch pin established

int xPosition = 0; // Establishing relevant variables
int yPosition = 0;
int SW_state = 0;
int mapX = 0;
int mapY = 0;

int Oldx = 1;
int Oldy = 1;
int Oldsw = 1;

void setup() {
  Serial.begin(9600); // Serial output for test established
  
  pinMode(VRx, INPUT);
  pinMode(VRy, INPUT);
  pinMode(SW, INPUT_PULLUP); 
  
}

void loop() {
  xPosition = analogRead(VRx);
  yPosition = analogRead(VRy);
  SW_state = digitalRead(SW);
  if (xPosition != Oldx){
    Oldx = xPosition;
    mapX = map(xPosition, 0, 1023, -512, 512);
    Serial.print("X: ");
    Serial.println(mapX);
  }
  if (yPosition != Oldy){
    Oldy = yPosition; 
    mapY = map(yPosition, 0, 1023, -512, 512);
    Serial.print("Y: ");
    Serial.println(mapY);
  }
  if (SW_state != Oldsw){
    Oldsw = SW_state;
    Serial.print("Button: ");
    Serial.println(SW_state);
  }
  delay(100);
  
}