#curcuits

int UpDown;       //value for the Y direction of controller

int LeftRight;    //value for the x direction of controller

int LR_neutral;   //value for the 0 position in the y direction of controller

int UD_neutral;   //value for the 0 position in the x direction of controller

int Bprev;        //value for button edge detection

int Bcurr;        //value for button edge detection

int R;

int Y;

int G;

int B;

void setup() {

  Serial.begin(9600);  //begin communication

  pinMode(A2,  INPUT); //button press detection

  pinMode(4, OUTPUT); //set pin 4 to power the Red LED

  pinMode(5, OUTPUT); //set pin 5 to power the Yellow LED

  pinMode(6, OUTPUT); //set pin 6 to power the Blue LED

  pinMode(7, OUTPUT); //set pin 7 to power the Green LED

  LR_neutral = analogRead(A1); //set zero position of controller

  UD_neutral = analogRead(A0); //set zero position of controller

  //WARNING!!! YOU CAN NOT TOUCH CONTROLER WHEN INITALIZATION HAPPENS!!!! WILL MESS CONTROLLER UP

}

void loop() {

LeftRight = analogRead(A0);  //read X position of controller

UpDown = analogRead(A1);     //read y position of controller

Bprev = Bcurr;               //set current button state to previous state

Bcurr = analogRead(A2);     //set current button state equal to actual button state

if ((Bprev == 0) && (Bcurr > 0)){

  //turns all LED on

  digitalWrite(4,HIGH);

  digitalWrite(5,HIGH);

  digitalWrite(6,HIGH);

  digitalWrite (7,HIGH);

  delay(100); //wait

  //turns all LED off

  digitalWrite (4,LOW);

  digitalWrite (5,LOW);

  digitalWrite (6,LOW);

  digitalWrite (7,LOW);

}

if (UpDown >= UD_neutral) {  // checks if controller is up

  B = 0; //if up turns blue LED off

  R = map(UpDown, UD_neutral,1023,0,255);  //if up turns red LED on

}

else {

  R = 0;  //if down turns red LED off

  B = map(UpDown, UD_neutral,0,0,255); //if down turns blue LED on

}

if (LeftRight >= LR_neutral) {  // checks if controller is right

  G = 0;  //if right turns green LED off

  Y = map(LeftRight, LR_neutral, 1023,0,255); //if right turns yellow LED on

}

else {

  Y = 0; //if left turns yellow off

  G = map(LeftRight, LR_neutral, 0,0,255); //if left turns green on

}

//writes values to LEDs

analogWrite(4,R);

analogWrite(5,Y);

analogWrite(6,B);

analogWrite (7,G);