let VolSlider;

let Range;

let Ard_Angle, Ard_Distance, Ard_Pressure, Ard_Difficulty;

let mainTimer = 20;

let detectionTime = 1.00;

let detectTimer = 1.00;

let connectionState = 0;

let fromArduino;

​

//Game states:

let gameState;

let Menu = 0;

let Radar = 1;

let Win = 2;

let Lose = 3;

​

//==========================================================================================

function preload() {

  soundFormats("mp3");

  Main_Track = loadSound("Music/Main_Music.mp3");

  Hooray = loadSound("Music/Hooray.mp3");

  Fail = loadSound("Music/Fail.mp3");

  Time = loadSound("Music/Time.mp3");

  //Loading the Images:

  Game_Title = loadImage("Images/Game_Title.png");

  Menu_BG = loadImage("Images/Menu_BG.png");

  Start_Command = loadImage("Images/Start_Command.png");

  Read_Instructions = loadImage("Images/Read_Instructions.png");

  Won = loadImage("Images/Won.png");

  Lost = loadImage("Images/Lost.png");

}

​

//==========================================================================================

function setup() {

  //gameState is 0 in the setup which would be the menu screen.

  gameState = 0;

  createCanvas(1920, 1080);

  Menu_BG.resize(1920, 1080);

  //Volume Settings

  Main_Track.setVolume(0.3);

  Hooray.setVolume(1.0);

  Time.setVolume(1.0);

  Fail.setVolume(1.0);

  Main_Track.play();   

  Main_Track.loop();

}

​

//==========================================================================================

function draw() {

  // console.log(Ard_Distance);

  if (gameState == Menu) {menuScreen(); } 

  else if (gameState == Radar) {radarActivate(); } 

  else if (gameState == Win) {winScreen(); } 

  else if (gameState == Lose) {loseScreen(); }

}

​

//==========================================================================================

//Sets up the serial connection

function keyPressed() {

  //Press ENTER to start the Serial connection between p5js and Arduino

  if (keyCode === ENTER) {

    setUpSerial();

    connectionState = 1; //Sets the bool flag that the connection has been made.

  }

}

​

//==========================================================================================

// Function to read in serial data from Arduino

function readSerial(data) {

  if (data != null) {

    fromArduino = split(trim(data), ",");

    if (fromArduino.length == 3) {

      Ard_Angle = int(fromArduino[0]);

      Ard_Distance = int(fromArduino[1]);

      Ard_Pressure = int(fromArduino[2]);

    }

​

    if (fromArduino.length == 1) {

      Ard_Difficulty = int(fromArduino[0]);

    }

​

    let sendToArduino = gameState + "\n";

    writeSerial(sendToArduino);

  }

}

​