tangible interaction hw1

#include <Keyboard.h>
int joystickIn = A0;
int shuttleIn = A1;
int joystick = 0;
int shuttle = 0;
int topButton = 12;

int topState = 0;
int shuttleA = 0;
int shuttleD = 0;
int joystickW = 0;
int joystickS = 0;

int topPreviousState = 0;
int previousW;
int previousA;
int previousS;
int previousD;

void setup()
{
  Serial.begin(9600);
  Keyboard.begin();

  pinMode(topButton, INPUT_PULLUP);
}


void loop() {
  joystick = analogRead(joystickIn);
  shuttle = analogRead(shuttleIn);
  topState = digitalRead(topButton);

  if (topState != topPreviousState && topState == LOW ) {
    Keyboard.press(' ');
    delay(100);
    Keyboard.release(' ');
    Serial.println("SPACE");
  }

  topPreviousState = topState;

  if (joystick > 640 && joystick < 800) { //640 to 800
    shuttleD = 1;
  }
  else if (joystick < 400 && joystick > 300) { //400 to 300
    shuttleA = 1;
  }
  else {
    shuttleA = 0;
    shuttleD = 0;
  }

  if (shuttle > 580 && shuttle < 700) { //580 to 700
    joystickW = 1;
  }
  else if (shuttle < 470 && shuttle > 300) { //470 to 300
    joystickS = 1;
  }
  else {
    joystickW = 0;
    joystickS = 0;
  }

  if (shuttleD != previousD && shuttleD == 1 ) {
    Keyboard.press('d');
    delay(100);
    Keyboard.release('d');
    Serial.println("d");
  }

  previousD = shuttleD;

  if (shuttleA != previousA && shuttleA == 1 ) {
    Keyboard.press('a');
    delay(100);
    Keyboard.release('a');
    Serial.println("a");
  }

  previousA = shuttleA;

  if (joystickW != previousW && joystickW == 1 ) {
    Keyboard.press('w');
    delay(100);
    Keyboard.release('w');
    Serial.println("w");
  }

  previousW = joystickW;

  if (joystickS != previousS && joystickS == 1 ) {
    Keyboard.press('s');
    delay(100);
    Keyboard.release('s');
    Serial.println("s");
  }

  previousS = joystickS;
}