Dice Prototype

/*
 * Atiriya Iyer
 * Dice Prototype
 * Version 1
 */
const int pinLED1= 2;
const int pinLED2= 4;
const int pinLED3= 6;
const int pinButton= 5;
boolean buttonPressed = 0;
boolean LEDon= 0;
boolean previousButton=0;
void setup()
{
  // put your setup code here, to run once:
  pinMode (pinLED1, OUTPUT);
  pinMode (pinLED2, OUTPUT);
  pinMode (pinLED3, OUTPUT);
  pinMode (pinButton, INPUT);

  Serial.begin(9600);

  digitalWrite(pinLED1, HIGH);
  digitalWrite(pinLED2, HIGH);
  digitalWrite(pinLED3, HIGH);
  delay(50);
  digitalWrite(pinLED1, LOW);
  digitalWrite(pinLED2, LOW);
  digitalWrite(pinLED3, LOW);
}

void loop()
{
  // put your main code here, to run repeatedly:

  buttonPressed= digitalRead(pinButton);
  //Serial.print (buttonPressed);
  buttonPressed = debounce(previousButton);

  if (previousButton== LOW && buttonPressed== HIGH)
  {
    LEDon =! LEDon;
    Serial.print(LEDon);
  }
  digitalWrite(pinLED1, LEDon);
  digitalWrite(pinLED2, LEDon);
  digitalWrite(pinLED3, LEDon);

  previousButton= buttonPressed;
}


boolean debounce(boolean last)
{
  boolean current = digitalRead(pinButton);
  if (last != current)
  {
    delay(5);
    current = digitalRead(pinButton);
  }
  return current;
}