Green and Red Light Game Arduino

grgame.ino

#define LEDRED 2
#define LEDGRN 3
#define BUTTON 4
#define BUZZER 5

unsigned long currTime;
unsigned long prevTime = 0;

bool stateP = true;
bool stateR = false;
bool stateG = false;
bool key = false;

int scorePoint = 0;
int randomLEDcolor;
int randomLightONTime;

void setup()
{
  pinMode(LEDRED, OUTPUT);
  pinMode(LEDGRN, OUTPUT);
  pinMode(BUTTON, INPUT);
  pinMode(BUZZER, OUTPUT);
  randomLEDcolor = random(2, 4);
  randomLightONTime = random(500, 1001);
  
  Serial.begin(9600);
}

void loop()
{
  currTime = millis();
  if(stateP)
    prepareAnim();
  else if(stateR)
    readyAnim();
  else if(stateG)
    go();
  if(key)
    buttonCtrl();
  if(scorePoint>= 3)
    Winning();
  else if(scorePoint < 0)
    Losing();
}

void prepareAnim()
{
  if(currTime - prevTime <= 3000)
  {
    digitalWrite(LEDRED, 1);
    digitalWrite(BUZZER, 1);
    delay(400);
    digitalWrite(BUZZER, 0);
    digitalWrite(LEDRED, 0);
    digitalWrite(LEDGRN, 1);
    digitalWrite(BUZZER, 1);
    delay(400);
    digitalWrite(LEDGRN, 0);
    digitalWrite(BUZZER, 0);
  }
  else
  {
    prevTime = currTime;
    stateP = false;
    stateR = true;
  }
}

void readyAnim()
{
  if(currTime - prevTime <= 3000)
  {
    digitalWrite(LEDRED, 1);
    digitalWrite(LEDGRN, 1);
    digitalWrite(BUZZER, 1);
  }
  else
  {
    prevTime = currTime;
    digitalWrite(LEDRED, 0);
    digitalWrite(LEDGRN, 0);
    digitalWrite(BUZZER, 0);
    delay(500);
    stateR = false;
    stateG = true;
    key = true;
  }
}

void go()
{
  if(currTime - prevTime <= randomLightONTime)
    digitalWrite(randomLEDcolor, 1);
  else
  {
    prevTime = currTime;
    digitalWrite(LEDGRN, 0);
    delay(500);
    stateG = false;
    stateP = true;
    randomLEDcolor = random(2, 4);
    randomLightONTime = random(500, 1001);
  }
}

void buttonCtrl()
{
  if(digitalRead(BUTTON) && digitalRead(LEDGRN))
  {
    scorePoint += 1;
    Serial.print("Score Point++: ");
    Serial.println(scorePoint);
    key = false;
    buzzerWinSFX();
    while(digitalRead(BUTTON));
  }
  else if(digitalRead(BUTTON) && digitalRead(LEDRED))
  {
    scorePoint -= 1;
    Serial.print("Score Point--: ");
    Serial.println(scorePoint);
    key = false;
    buzzerLoseSFX();
    while(digitalRead(BUTTON));
  }
}

void buzzerWinSFX()
{
  digitalWrite(BUZZER, 1);
  delay(100);
  digitalWrite(BUZZER, 0);
  delay(100);
  digitalWrite(BUZZER, 1);
  delay(100);
  digitalWrite(BUZZER, 0);
  delay(100);
  digitalWrite(BUZZER, 1);
  delay(100);
  digitalWrite(BUZZER, 0);
}

void buzzerLoseSFX()
{
  digitalWrite(BUZZER, 1);
  delay(1000);
  digitalWrite(BUZZER, 0);
}

void Winning()
{
  stateP = false;
  stateR = false;
  stateG = false;
  key = false;
  digitalWrite(LEDRED, 1);
  digitalWrite(LEDGRN, 1);
  digitalWrite(BUZZER, 1);
  delay(50);
  digitalWrite(LEDRED, 0);
  digitalWrite(LEDGRN, 0);
  digitalWrite(BUZZER, 0);
  delay(50);
}

void Losing()
{
  stateP = false;
  stateR = false;
  stateG = false;
  key = false;
  digitalWrite(LEDRED, 1);
  digitalWrite(BUZZER, 1);
  delay(50);
  digitalWrite(LEDRED, 0);
  digitalWrite(BUZZER, 0);
  delay(50);
}

grgame.md